+++ /dev/null
-## $Id: Makefile.am,v 1.26 2006-06-29 13:48:04 adam Exp $
-
-modlibdir=$(libdir)/$(PACKAGE)$(PACKAGE_SUFFIX)/modules
-
-common_libs = libidzebra-recctrl.la \
- ../data1/libidzebra-data1.la \
- ../dfa/libidzebra-dfa.la \
- ../util/libidzebra-util.la \
- $(YAZLALIB)
-
-# The shared modules
-mod_grs_regx_la_SOURCES = regxread.c
-mod_grs_regx_la_LDFLAGS = -rpath $(modlibdir) -module -avoid-version
-mod_grs_regx_la_LADD = $(TCL_LIB)
-mod_grs_regx_la_LIBADD = $(common_libs) $(mod_grs_regx_la_LADD)
-
-mod_grs_xml_la_SOURCES = xmlread.c
-mod_grs_xml_la_LDFLAGS = -rpath $(modlibdir) -module -avoid-version
-mod_grs_xml_la_LADD = $(EXPAT_LIBS)
-mod_grs_xml_la_LIBADD = $(common_libs) $(mod_grs_xml_la_LADD)
-
-mod_grs_marc_la_SOURCES = marcread.c marcomp.c marcomp.h inline.c inline.h
-mod_grs_marc_la_LDFLAGS = -rpath $(modlibdir) -module -avoid-version
-mod_grs_marc_la_LADD =
-mod_grs_marc_la_LIBADD = $(common_libs) $(mod_grs_marc_la_LADD)
-
-mod_safari_la_SOURCES = safari.c
-mod_safari_la_LDFLAGS = -rpath $(modlibdir) -module -avoid-version
-mod_safari_la_LADD =
-mod_safari_la_LIBADD = $(common_libs) $(mod_safari_la_LADD)
-
-mod_alvis_la_SOURCES = alvis.c
-mod_alvis_la_LDFLAGS = -rpath $(modlibdir) -module -avoid-version
-mod_alvis_la_LADD = $(XSLT_LIBS)
-mod_alvis_la_LIBADD = $(common_libs) $(mod_alvis_la_LADD)
-
-modlib_LTLIBRARIES = $(SHARED_MODULE_LA)
-EXTRA_LTLIBRARIES = \
- mod-grs-regx.la \
- mod-grs-xml.la \
- mod-grs-marc.la \
- mod-safari.la \
- mod-alvis.la
-
-# The common library
-lib_LTLIBRARIES = libidzebra-recctrl.la
-libidzebra_recctrl_la_SOURCES = recctrl.c recgrs.c sgmlread.c rectext.c
-libidzebra_recctrl_la_LDFLAGS = -export-dynamic -version-info $(ZEBRALIBS_VERSION)
-libidzebra_recctrl_la_LIBADD = $(STATIC_MODULE_OBJ) \
- ../data1/libidzebra-data1.la \
- ../dfa/libidzebra-dfa.la \
- ../util/libidzebra-util.la \
- $(STATIC_MODULE_LADD)
-
-libidzebra_recctrl_la_DEPENDENCIES = $(STATIC_MODULE_OBJ)
-
-EXTRA_libidzebra_recctrl_la_SOURCES = \
- $(mod_grs_regx_la_SOURCES) \
- $(mod_grs_xml_la_SOURCES) \
- $(mod_grs_marc_la_SOURCES) \
- $(mod_safari_la_SOURCES) \
- $(mod_alvis_la_SOURCES)
-
-AM_CPPFLAGS = -I$(srcdir)/../include $(YAZINC) $(XSLT_CFLAGS) $(TCL_INCLUDE)
+++ /dev/null
-/* $Id: alvis.c,v 1.17 2006-05-31 16:11:58 marc Exp $
- Copyright (C) 1995-2005
- Index Data ApS
-
-This file is part of the Zebra server.
-
-Zebra is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
-*/
-
-#include <stdio.h>
-#include <assert.h>
-#include <ctype.h>
-
-#include <yaz/diagbib1.h>
-#include <yaz/tpath.h>
-
-#include <libxml/xmlversion.h>
-#include <libxml/parser.h>
-#include <libxml/tree.h>
-#include <libxml/xmlIO.h>
-#include <libxml/xmlreader.h>
-#include <libxslt/transform.h>
-#include <libxslt/xsltutils.h>
-
-#include <idzebra/util.h>
-#include <idzebra/recctrl.h>
-
-struct filter_schema {
- const char *name;
- const char *identifier;
- const char *stylesheet;
- struct filter_schema *next;
- const char *default_schema;
- /* char default_schema; */
- const char *include_snippet;
- xsltStylesheetPtr stylesheet_xsp;
-};
-
-struct filter_info {
- xmlDocPtr doc;
- char *fname;
- char *full_name;
- const char *profile_path;
- const char *split_level;
- const char *split_path;
- ODR odr;
- struct filter_schema *schemas;
- xmlTextReaderPtr reader;
-};
-
-#define ZEBRA_SCHEMA_XSLT_NS "http://indexdata.dk/zebra/xslt/1"
-
-#define XML_STRCMP(a,b) strcmp((char*)a, b)
-#define XML_STRLEN(a) strlen((char*)a)
-
-static const char *zebra_xslt_ns = ZEBRA_SCHEMA_XSLT_NS;
-
-static void set_param_xml(const char **params, const char *name,
- const char *value, ODR odr)
-{
- while (*params)
- params++;
- params[0] = name;
- params[1] = value;
- params[2] = 0;
-}
-
-static void set_param_str(const char **params, const char *name,
- const char *value, ODR odr)
-{
- char *quoted = odr_malloc(odr, 3 + strlen(value));
- sprintf(quoted, "'%s'", value);
- while (*params)
- params++;
- params[0] = name;
- params[1] = quoted;
- params[2] = 0;
-}
-
-static void set_param_int(const char **params, const char *name,
- zint value, ODR odr)
-{
- char *quoted = odr_malloc(odr, 30); /* 25 digits enough for 2^64 */
- while (*params)
- params++;
- sprintf(quoted, "'" ZINT_FORMAT "'", value);
- params[0] = name;
- params[1] = quoted;
- params[2] = 0;
-}
-
-#define ENABLE_INPUT_CALLBACK 0
-
-#if ENABLE_INPUT_CALLBACK
-static int zebra_xmlInputMatchCallback (char const *filename)
-{
- yaz_log(YLOG_LOG, "match %s", filename);
- return 0;
-}
-
-static void * zebra_xmlInputOpenCallback (char const *filename)
-{
- return 0;
-}
-
-static int zebra_xmlInputReadCallback (void * context, char * buffer, int len)
-{
- return 0;
-}
-
-static int zebra_xmlInputCloseCallback (void * context)
-{
- return 0;
-}
-#endif
-
-static void *filter_init(Res res, RecType recType)
-{
- struct filter_info *tinfo = (struct filter_info *) xmalloc(sizeof(*tinfo));
- tinfo->reader = 0;
- tinfo->fname = 0;
- tinfo->full_name = 0;
- tinfo->profile_path = 0;
- tinfo->split_level = 0;
- tinfo->split_path = 0;
- tinfo->odr = odr_createmem(ODR_ENCODE);
- tinfo->doc = 0;
- tinfo->schemas = 0;
-
-#if ENABLE_INPUT_CALLBACK
- xmlRegisterDefaultInputCallbacks();
- xmlRegisterInputCallbacks(zebra_xmlInputMatchCallback,
- zebra_xmlInputOpenCallback,
- zebra_xmlInputReadCallback,
- zebra_xmlInputCloseCallback);
-#endif
- return tinfo;
-}
-
-static int attr_content(struct _xmlAttr *attr, const char *name,
- const char **dst_content)
-{
- if (!XML_STRCMP(attr->name, name) && attr->children &&
- attr->children->type == XML_TEXT_NODE)
- {
- *dst_content = (const char *)(attr->children->content);
- return 1;
- }
- return 0;
-}
-
-static void destroy_schemas(struct filter_info *tinfo)
-{
- struct filter_schema *schema = tinfo->schemas;
- while (schema)
- {
- struct filter_schema *schema_next = schema->next;
- if (schema->stylesheet_xsp)
- xsltFreeStylesheet(schema->stylesheet_xsp);
- xfree(schema);
- schema = schema_next;
- }
- tinfo->schemas = 0;
- xfree(tinfo->fname);
- if (tinfo->doc)
- xmlFreeDoc(tinfo->doc);
- tinfo->doc = 0;
-}
-
-static ZEBRA_RES create_schemas(struct filter_info *tinfo, const char *fname)
-{
- char tmp_full_name[1024];
- xmlNodePtr ptr;
- tinfo->fname = xstrdup(fname);
-
- if (yaz_filepath_resolve(tinfo->fname, tinfo->profile_path,
- NULL, tmp_full_name))
- tinfo->full_name = xstrdup(tmp_full_name);
- else
- tinfo->full_name = xstrdup(tinfo->fname);
-
- yaz_log(YLOG_LOG, "alvis filter: loading config file %s", tinfo->full_name);
-
- tinfo->doc = xmlParseFile(tinfo->full_name);
-
- if (!tinfo->doc){
- yaz_log(YLOG_WARN, "alvis filter: could not parse config file %s",
- tinfo->full_name);
-
- return ZEBRA_FAIL;
- }
-
- ptr = xmlDocGetRootElement(tinfo->doc);
- if (!ptr || ptr->type != XML_ELEMENT_NODE ||
- XML_STRCMP(ptr->name, "schemaInfo")){
- yaz_log(YLOG_WARN,
- "alvis filter: config file %s :"
- " expected root element <schemaInfo>",
- tinfo->full_name);
- return ZEBRA_FAIL;
- }
-
- for (ptr = ptr->children; ptr; ptr = ptr->next)
- {
- if (ptr->type != XML_ELEMENT_NODE)
- continue;
- if (!XML_STRCMP(ptr->name, "schema"))
- {
- char tmp_xslt_full_name[1024];
- struct _xmlAttr *attr;
- struct filter_schema *schema = xmalloc(sizeof(*schema));
- schema->name = 0;
- schema->identifier = 0;
- schema->stylesheet = 0;
- schema->default_schema = 0;
- schema->next = tinfo->schemas;
- schema->stylesheet_xsp = 0;
- schema->include_snippet = 0;
- tinfo->schemas = schema;
- for (attr = ptr->properties; attr; attr = attr->next)
- {
- attr_content(attr, "identifier", &schema->identifier);
- attr_content(attr, "name", &schema->name);
- attr_content(attr, "stylesheet", &schema->stylesheet);
- attr_content(attr, "default", &schema->default_schema);
- attr_content(attr, "snippet", &schema->include_snippet);
- }
- /*yaz_log(YLOG_LOG, "XSLT add %s %s %s",
- schema->name, schema->identifier, schema->stylesheet); */
-
- /* find requested schema */
-
- if (schema->stylesheet){
- yaz_filepath_resolve(schema->stylesheet, tinfo->profile_path,
- NULL, tmp_xslt_full_name);
- schema->stylesheet_xsp
- = xsltParseStylesheetFile((const xmlChar*) tmp_xslt_full_name);
- if (!schema->stylesheet_xsp)
- yaz_log(YLOG_WARN,
- "alvis filter: could not parse xslt stylesheet %s",
- tmp_xslt_full_name);
- }
-
-
- }
- else if (!XML_STRCMP(ptr->name, "split"))
- {
- struct _xmlAttr *attr;
- for (attr = ptr->properties; attr; attr = attr->next)
- {
- attr_content(attr, "level", &tinfo->split_level);
- attr_content(attr, "path", &tinfo->split_path);
- }
- }
- else
- {
- yaz_log(YLOG_WARN, "Bad element %s in %s", ptr->name, fname);
- return ZEBRA_FAIL;
- }
- }
- return ZEBRA_OK;
-}
-
-static struct filter_schema *lookup_schema(struct filter_info *tinfo,
- const char *est)
-{
- struct filter_schema *schema;
-
- for (schema = tinfo->schemas; schema; schema = schema->next)
- {
- /* find requested schema */
- if (est)
- {
- if (schema->identifier && !strcmp(schema->identifier, est))
- return schema;
-
- if (schema->name && !strcmp(schema->name, est))
- return schema;
- }
- /* or return default schema if defined */
- else if (schema->default_schema)
- return schema;
- }
-
- /* return first schema if no default schema defined */
- if (tinfo->schemas)
- return tinfo->schemas;
-
- return 0;
-}
-
-static ZEBRA_RES filter_config(void *clientData, Res res, const char *args)
-{
- struct filter_info *tinfo = clientData;
- if (!args || !*args){
- yaz_log(YLOG_WARN, "alvis filter: need config file");
- return ZEBRA_FAIL;
- }
-
- if (tinfo->fname && !strcmp(args, tinfo->fname))
- return ZEBRA_OK;
-
- tinfo->profile_path
- /* = res_get_def(res, "profilePath", DEFAULT_PROFILE_PATH); */
- = res_get(res, "profilePath");
- yaz_log(YLOG_LOG, "alvis filter: profilePath %s", tinfo->profile_path);
-
- destroy_schemas(tinfo);
- create_schemas(tinfo, args);
- return ZEBRA_OK;
-}
-
-static void filter_destroy(void *clientData)
-{
- struct filter_info *tinfo = clientData;
- destroy_schemas(tinfo);
- if (tinfo->reader)
- xmlFreeTextReader(tinfo->reader);
- odr_destroy(tinfo->odr);
- xfree(tinfo);
-}
-
-static int ioread_ex(void *context, char *buffer, int len)
-{
- struct recExtractCtrl *p = context;
- return (*p->readf)(p->fh, buffer, len);
-}
-
-static int ioclose_ex(void *context)
-{
- return 0;
-}
-
-static void index_cdata(struct filter_info *tinfo, struct recExtractCtrl *ctrl,
- xmlNodePtr ptr, RecWord *recWord)
-{
- for(; ptr; ptr = ptr->next)
- {
- index_cdata(tinfo, ctrl, ptr->children, recWord);
- if (ptr->type != XML_TEXT_NODE)
- continue;
- recWord->term_buf = (const char *)ptr->content;
- recWord->term_len = XML_STRLEN(ptr->content);
- (*ctrl->tokenAdd)(recWord);
- }
-}
-
-static void index_node(struct filter_info *tinfo, struct recExtractCtrl *ctrl,
- xmlNodePtr ptr, RecWord *recWord)
-{
- for(; ptr; ptr = ptr->next)
- {
- index_node(tinfo, ctrl, ptr->children, recWord);
- if (ptr->type != XML_ELEMENT_NODE || !ptr->ns ||
- XML_STRCMP(ptr->ns->href, zebra_xslt_ns))
- continue;
- if (!XML_STRCMP(ptr->name, "index"))
- {
- const char *name_str = 0;
- const char *type_str = 0;
- const char *xpath_str = 0;
- struct _xmlAttr *attr;
- for (attr = ptr->properties; attr; attr = attr->next)
- {
- attr_content(attr, "name", &name_str);
- attr_content(attr, "xpath", &xpath_str);
- attr_content(attr, "type", &type_str);
- }
- if (name_str)
- {
- int prev_type = recWord->index_type; /* save default type */
-
- if (type_str && *type_str)
- recWord->index_type = *type_str; /* type was given */
- recWord->index_name = name_str;
- index_cdata(tinfo, ctrl, ptr->children, recWord);
-
- recWord->index_type = prev_type; /* restore it again */
- }
- }
- }
-}
-
-static void index_record(struct filter_info *tinfo,struct recExtractCtrl *ctrl,
- xmlNodePtr ptr, RecWord *recWord)
-{
- const char *type_str = "update";
-
- if (ptr && ptr->type == XML_ELEMENT_NODE && ptr->ns &&
- !XML_STRCMP(ptr->ns->href, zebra_xslt_ns)
- && !XML_STRCMP(ptr->name, "record"))
- {
- const char *id_str = 0;
- const char *rank_str = 0;
- struct _xmlAttr *attr;
- for (attr = ptr->properties; attr; attr = attr->next)
- {
- attr_content(attr, "type", &type_str);
- attr_content(attr, "id", &id_str);
- attr_content(attr, "rank", &rank_str);
- }
- if (id_str)
- sscanf(id_str, "%255s", ctrl->match_criteria);
-
- if (rank_str)
- ctrl->staticrank = atoi(rank_str);
-
- ptr = ptr->children;
- }
-
- if (!strcmp("update", type_str))
- index_node(tinfo, ctrl, ptr, recWord);
- else if (!strcmp("delete", type_str))
- yaz_log(YLOG_WARN, "alvis filter delete: to be implemented");
- else
- yaz_log(YLOG_WARN, "alvis filter: unknown record type '%s'",
- type_str);
-}
-
-static int extract_doc(struct filter_info *tinfo, struct recExtractCtrl *p,
- xmlDocPtr doc)
-{
- RecWord recWord;
- const char *params[10];
- xmlChar *buf_out;
- int len_out;
-
- struct filter_schema *schema = lookup_schema(tinfo, zebra_xslt_ns);
-
- params[0] = 0;
- set_param_str(params, "schema", zebra_xslt_ns, tinfo->odr);
-
- (*p->init)(p, &recWord);
-
- if (schema && schema->stylesheet_xsp)
- {
- xmlNodePtr root_ptr;
- xmlDocPtr resDoc =
- xsltApplyStylesheet(schema->stylesheet_xsp,
- doc, params);
- if (p->flagShowRecords)
- {
- xmlDocDumpMemory(resDoc, &buf_out, &len_out);
- fwrite(buf_out, len_out, 1, stdout);
- xmlFree(buf_out);
- }
- root_ptr = xmlDocGetRootElement(resDoc);
- if (root_ptr)
- index_record(tinfo, p, root_ptr, &recWord);
- else
- {
- yaz_log(YLOG_WARN, "No root for index XML record."
- " split_level=%s stylesheet=%s",
- tinfo->split_level, schema->stylesheet);
- }
- xmlFreeDoc(resDoc);
- }
- xmlDocDumpMemory(doc, &buf_out, &len_out);
- if (p->flagShowRecords)
- fwrite(buf_out, len_out, 1, stdout);
- (*p->setStoreData)(p, buf_out, len_out);
- xmlFree(buf_out);
-
- xmlFreeDoc(doc);
- return RECCTRL_EXTRACT_OK;
-}
-
-static int extract_split(struct filter_info *tinfo, struct recExtractCtrl *p)
-{
- int ret;
- int split_depth = 0;
- if (p->first_record)
- {
- if (tinfo->reader)
- xmlFreeTextReader(tinfo->reader);
- tinfo->reader = xmlReaderForIO(ioread_ex, ioclose_ex,
- p /* I/O handler */,
- 0 /* URL */,
- 0 /* encoding */,
- XML_PARSE_XINCLUDE);
- }
- if (!tinfo->reader)
- return RECCTRL_EXTRACT_ERROR_GENERIC;
-
- if (tinfo->split_level)
- split_depth = atoi(tinfo->split_level);
- ret = xmlTextReaderRead(tinfo->reader);
- while (ret == 1) {
- int type = xmlTextReaderNodeType(tinfo->reader);
- int depth = xmlTextReaderDepth(tinfo->reader);
- if (split_depth == 0 ||
- (split_depth > 0 &&
- type == XML_READER_TYPE_ELEMENT && split_depth == depth))
- {
- xmlNodePtr ptr = xmlTextReaderExpand(tinfo->reader);
- xmlNodePtr ptr2 = xmlCopyNode(ptr, 1);
- xmlDocPtr doc = xmlNewDoc((const xmlChar*) "1.0");
-
- xmlDocSetRootElement(doc, ptr2);
-
- return extract_doc(tinfo, p, doc);
- }
- ret = xmlTextReaderRead(tinfo->reader);
- }
- xmlFreeTextReader(tinfo->reader);
- tinfo->reader = 0;
- return RECCTRL_EXTRACT_EOF;
-}
-
-static int extract_full(struct filter_info *tinfo, struct recExtractCtrl *p)
-{
- if (p->first_record) /* only one record per stream */
- {
- xmlDocPtr doc = xmlReadIO(ioread_ex, ioclose_ex, p /* I/O handler */,
- 0 /* URL */,
- 0 /* encoding */,
- XML_PARSE_XINCLUDE);
- if (!doc)
- {
- return RECCTRL_EXTRACT_ERROR_GENERIC;
- }
- return extract_doc(tinfo, p, doc);
- }
- else
- return RECCTRL_EXTRACT_EOF;
-}
-
-static int filter_extract(void *clientData, struct recExtractCtrl *p)
-{
- struct filter_info *tinfo = clientData;
-
- odr_reset(tinfo->odr);
-
- if (tinfo->split_level == 0 && tinfo->split_path == 0)
- return extract_full(tinfo, p);
- else
- {
- return extract_split(tinfo, p);
- }
-}
-
-static int ioread_ret(void *context, char *buffer, int len)
-{
- struct recRetrieveCtrl *p = context;
- return (*p->readf)(p->fh, buffer, len);
-}
-
-static int ioclose_ret(void *context)
-{
- return 0;
-}
-
-
-static const char *snippet_doc(struct recRetrieveCtrl *p, int text_mode,
- int window_size)
-{
- const char *xml_doc_str;
- int ord = 0;
- WRBUF wrbuf = wrbuf_alloc();
- zebra_snippets *res =
- zebra_snippets_window(p->doc_snippet, p->hit_snippet, window_size);
- zebra_snippet_word *w = zebra_snippets_list(res);
-
- if (text_mode)
- wrbuf_printf(wrbuf, "\'");
- else
- wrbuf_printf(wrbuf, "<snippet xmlns='%s'>\n", zebra_xslt_ns);
- for (; w; w = w->next)
- {
- if (ord == 0)
- ord = w->ord;
- else if (ord != w->ord)
-
- break;
- if (text_mode)
- wrbuf_printf(wrbuf, "%s%s%s ",
- w->match ? "*" : "",
- w->term,
- w->match ? "*" : "");
- else
- {
- wrbuf_printf(wrbuf, " <term ord='%d' seqno='" ZINT_FORMAT "' %s>",
- w->ord, w->seqno,
- (w->match ? "match='1'" : ""));
- wrbuf_xmlputs(wrbuf, w->term);
- wrbuf_printf(wrbuf, "</term>\n");
- }
- }
- if (text_mode)
- wrbuf_printf(wrbuf, "\'");
- else
- wrbuf_printf(wrbuf, "</snippet>\n");
-
- xml_doc_str = odr_strdup(p->odr, wrbuf_buf(wrbuf));
-
- zebra_snippets_destroy(res);
- wrbuf_free(wrbuf, 1);
- return xml_doc_str;
-}
-
-static int filter_retrieve (void *clientData, struct recRetrieveCtrl *p)
-{
- /* const char *esn = zebra_xslt_ns; */
- const char *esn = 0;
- const char *params[32];
- struct filter_info *tinfo = clientData;
- xmlDocPtr resDoc;
- xmlDocPtr doc;
- struct filter_schema *schema;
- int window_size = -1;
-
- if (p->comp)
- {
- if (p->comp->which == Z_RecordComp_simple
- && p->comp->u.simple->which == Z_ElementSetNames_generic)
- {
- esn = p->comp->u.simple->u.generic;
- }
- else if (p->comp->which == Z_RecordComp_complex
- && p->comp->u.complex->generic->elementSpec
- && p->comp->u.complex->generic->elementSpec->which ==
- Z_ElementSpec_elementSetName)
- {
- esn = p->comp->u.complex->generic->elementSpec->u.elementSetName;
- }
- }
- schema = lookup_schema(tinfo, esn);
- if (!schema)
- {
- p->diagnostic =
- YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
- return 0;
- }
-
- if (schema->include_snippet)
- window_size = atoi(schema->include_snippet);
-
- params[0] = 0;
- set_param_int(params, "id", p->localno, p->odr);
- if (p->fname)
- set_param_str(params, "filename", p->fname, p->odr);
- if (p->staticrank >= 0)
- set_param_int(params, "rank", p->staticrank, p->odr);
-
- if (esn)
- set_param_str(params, "schema", esn, p->odr);
- else
- if (schema->name)
- set_param_str(params, "schema", schema->name, p->odr);
- else if (schema->identifier)
- set_param_str(params, "schema", schema->identifier, p->odr);
- else
- set_param_str(params, "schema", "", p->odr);
-
- if (p->score >= 0)
- set_param_int(params, "score", p->score, p->odr);
- set_param_int(params, "size", p->recordSize, p->odr);
-
- if (window_size >= 0)
- set_param_xml(params, "snippet", snippet_doc(p, 1, window_size),
- p->odr);
- doc = xmlReadIO(ioread_ret, ioclose_ret, p /* I/O handler */,
- 0 /* URL */,
- 0 /* encoding */,
- XML_PARSE_XINCLUDE);
- if (!doc)
- {
- p->diagnostic = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
- return 0;
- }
-
- if (window_size >= 0)
- {
- xmlNodePtr node = xmlDocGetRootElement(doc);
- const char *snippet_str = snippet_doc(p, 0, window_size);
- xmlDocPtr snippet_doc = xmlParseMemory(snippet_str, strlen(snippet_str));
- xmlAddChild(node, xmlDocGetRootElement(snippet_doc));
- }
- if (!schema->stylesheet_xsp)
- resDoc = doc;
- else
- {
- resDoc = xsltApplyStylesheet(schema->stylesheet_xsp,
- doc, params);
- xmlFreeDoc(doc);
- }
- if (!resDoc)
- {
- p->diagnostic = YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS;
- }
- else if (p->input_format == VAL_NONE || p->input_format == VAL_TEXT_XML)
- {
- xmlChar *buf_out;
- int len_out;
-
- xsltSaveResultToString(&buf_out, &len_out, resDoc,
- schema->stylesheet_xsp);
-
- p->output_format = VAL_TEXT_XML;
- p->rec_len = len_out;
- p->rec_buf = odr_malloc(p->odr, p->rec_len);
- memcpy(p->rec_buf, buf_out, p->rec_len);
- xmlFree(buf_out);
- }
- else if (p->output_format == VAL_SUTRS)
- {
- xmlChar *buf_out;
- int len_out;
-
- xsltSaveResultToString(&buf_out, &len_out, resDoc,
- schema->stylesheet_xsp);
-
- p->output_format = VAL_SUTRS;
- p->rec_len = len_out;
- p->rec_buf = odr_malloc(p->odr, p->rec_len);
- memcpy(p->rec_buf, buf_out, p->rec_len);
-
- xmlFree(buf_out);
- }
- else
- {
- p->diagnostic = YAZ_BIB1_RECORD_SYNTAX_UNSUPP;
- }
- xmlFreeDoc(resDoc);
- return 0;
-}
-
-static struct recType filter_type = {
- 0,
- "alvis",
- filter_init,
- filter_config,
- filter_destroy,
- filter_extract,
- filter_retrieve
-};
-
-RecType
-#ifdef IDZEBRA_STATIC_ALVIS
-idzebra_filter_alvis
-#else
-idzebra_filter
-#endif
-
-[] = {
- &filter_type,
- 0,
-};
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/*
- $Id: inline.c,v 1.6 2006-05-10 08:13:28 adam Exp $
-*/
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <yaz/yaz-util.h>
-#include "inline.h"
-
-static void inline_destroy_subfield_recursive(inline_subfield *p);
-
-inline_field *inline_mk_field(void)
-{
- inline_field *p = (inline_field *) xmalloc(sizeof(*p));
-
- if (p)
- {
- memset(p, 0, sizeof(*p));
- p->name = (char *) xmalloc(SZ_FNAME+1);
- *(p->name) = '\0';
- p->ind1 = (char *) xmalloc(SZ_IND+1);
- *(p->ind1) = '\0';
- p->ind2 = (char *) xmalloc(SZ_IND+1);
- *(p->ind2) = '\0';
- }
- return p;
-}
-void inline_destroy_field(inline_field *p)
-{
- if (p)
- {
- if (p->name) xfree(p->name);
- if (p->ind1) xfree(p->ind1);
- if (p->ind2) xfree(p->ind2);
- if (p->list)
- inline_destroy_subfield_recursive(p->list);
- xfree(p);
- }
-}
-static inline_subfield *inline_mk_subfield(inline_subfield *parent)
-{
- inline_subfield *p = (inline_subfield *)xmalloc(sizeof(*p));
-
- if (p)
- {
- memset(p, 0, sizeof(*p));
- p->name = (char *) xmalloc(SZ_SFNAME+1);
- *(p->name) = '\0';
- p->parent = parent;
- }
- return p;
-}
-
-#if 0
-static void inline_destroy_subfield(inline_subfield *p)
-{
- if (p)
- {
- if (p->name) xfree(p->name);
- if (p->data) xfree(p->data);
- if (p->parent) p->parent->next = p->next;
- xfree(p);
- }
-}
-#endif
-
-static void inline_destroy_subfield_recursive(inline_subfield *p)
-{
- if (p)
- {
- inline_destroy_subfield_recursive(p->next);
- if (p->name) xfree(p->name);
- if (p->data) xfree(p->data);
- if (p->parent)
- p->parent->next = 0;
- xfree(p);
- }
-}
-int inline_parse(inline_field *pif, const char *tag, const char *s)
-{
- inline_field *pf = pif;
- char *p = (char *)s;
-
- if (!pf)
- return -1;
-
- if (pf->name[0] == '\0')
- {
- if ((sscanf(p, "%3s", pf->name)) != 1)
- return -2;
-
- p += SZ_FNAME;
-
- if (!memcmp(pf->name, "00", 2))
- {
- pf->list = inline_mk_subfield(0);
- pf->list->data = xstrdup(p);
- }
- else
- {
- if ((sscanf(p, "%c%c", pf->ind1, pf->ind2)) != 2)
- return -3;
- }
- }
- else
- {
- inline_subfield *psf = inline_mk_subfield(0);
-
- sscanf(tag, "%1s", psf->name);
- psf->data = xstrdup(p);
-
- if (!pf->list)
- {
- pf->list = psf;
- }
- else
- {
- inline_subfield *last = pf->list;
- while (last->next)
- last = last->next;
- last->next = psf;
- }
- }
- return 0;
-}
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/*
- $Id: inline.h,v 1.4 2006-05-10 08:13:28 adam Exp $
-*/
-#ifndef INLINE_H
-#define INLINE_H
-
-#include "marcomp.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-typedef struct inline_field
-{
- char *name;
- char *ind1;
- char *ind2;
- struct inline_subfield *list;
-} inline_field;
-typedef struct inline_subfield
-{
- char *name;
- char *data;
- struct inline_subfield *next;
- struct inline_subfield *parent;
-} inline_subfield;
-
-inline_field *inline_mk_field(void);
-int inline_parse(inline_field *pf, const char *tag, const char *s);
-void inline_destroy_field(inline_field *p);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/*
- $Id: marcomp.c,v 1.6 2006-05-10 08:13:28 adam Exp $
-
- marcomp.c - compiler of MARC statements.
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-
-#include <yaz/yaz-util.h>
-
-#include "marcomp.h"
-
-static mc_token mc_gettoken(mc_context *c);
-static void mc_ungettoken(mc_context *c);
-static int mc_getval(mc_context *c);
-static int mc_getdata(mc_context *c, char *s, int sz);
-static void mc_getinterval(mc_context *c, int *start, int *end);
-
-static mc_subfield *mc_mk_subfield(mc_subfield *parent);
-static mc_field *mc_mk_field(void);
-
-static struct mc_errmsg
-{
- mc_errcode code;
- const char *msg;
-} mc_errmsg[] = {
-{EMCOK, "OK"},
-{EMCNOMEM, "NO mem"},
-{EMCF, "not complete field"},
-{EMCSF, "not complete subfield"},
-{EMCSFGROUP, "not closed GROUP"},
-{EMCSFVAR, "not closed VARIANT"},
-{EMCSFINLINE, "not closed IN-LINE"},
-{EMCEND, "not correct errno"}
-};
-mc_errcode mc_errno(mc_context *c)
-{
- return c->errcode;
-}
-const char *mc_error(mc_errcode no)
-{
- if (no >= EMCOK && no<EMCEND)
- return mc_errmsg[no].msg;
- else
- return mc_errmsg[EMCEND].msg;
-}
-mc_context *mc_mk_context(const char *s)
-{
- mc_context *p=0;
-
- if (s && strlen(s))
- {
- p = (mc_context*) xmalloc(sizeof(*p));
-
- if (!p)
- return 0;
-
- memset(p, 0, sizeof(*p));
- p->errcode = EMCOK;
- p->data = s;
- p->len = strlen(s);
- p->crrtok = NOP;
- }
-
- return p;
-}
-void mc_destroy_context(mc_context *c)
-{
- if (c) xfree(c);
-}
-mc_token mc_gettoken(mc_context *c)
-{
- if (c->offset >= c->len)
- return NOP;
-
- switch (*(c->data+c->offset))
- {
- case '{': c->crrtok = LVARIANT; break;
- case '}': c->crrtok = RVARIANT; break;
- case '(': c->crrtok = LGROUP; break;
- case ')': c->crrtok = RGROUP; break;
- case '<': c->crrtok = LINLINE; break;
- case '>': c->crrtok = RINLINE; break;
- case '$': c->crrtok = SUBFIELD; break;
- case '[': c->crrtok = LINTERVAL; break;
- case ']': c->crrtok = RINTERVAL; break;
- default:
- if (isspace(*(unsigned char *) (c->data+c->offset))
- || *(c->data+c->offset) == '\n')
- {
- c->crrtok = NOP;
- }
- else
- {
- c->crrtok = REGULAR;
- c->crrval = *(c->data+c->offset);
- }
- }
-#ifdef DEBUG
- fprintf(stderr, "gettoken(): offset: %d", c->offset);
- if (c->crrtok == REGULAR)
- fprintf(stderr, "<%c>", c->crrval);
- fprintf(stderr, "\n");
-#endif
- c->offset++;
- return c->crrtok;
-}
-void mc_ungettoken(mc_context *c)
-{
- if (c->offset > 0)
- c->offset--;
-}
-int mc_getval(mc_context *c)
-{
- return c->crrval;
-}
-int mc_getdata(mc_context *c, char *s, int sz)
-{
- int i;
-
- for (i=0; i<sz; i++)
- {
- if (mc_gettoken(c)!=REGULAR)
- {
- mc_ungettoken(c);
- break;
- }
- s[i] = mc_getval(c);
- }
- s[i] = '\0';
-
- return i;
-}
-void mc_getinterval(mc_context *c, int *start, int *end)
-{
- char buf[6+1];
- int start_pos, end_pos;
-
- start_pos = end_pos = -1;
-
- if (mc_gettoken(c) == LINTERVAL)
- {
- int i;
-
- for (i=0;i<6;i++)
- {
- mc_token tok = mc_gettoken(c);
-
- if (tok == RINTERVAL || tok == NOP)
- break;
-
- buf[i] = mc_getval(c);
- }
-
- buf[i] = '\0';
- i = sscanf(buf, "%d-%d", &start_pos, &end_pos);
-
- if (i == 1)
- end_pos = start_pos;
- else if ( i == 0)
- {
- start_pos = 0;
- }
- }
- *start = start_pos;
- *end = end_pos;
-}
-mc_field *mc_mk_field(void)
-{
- mc_field *p = (mc_field *)xmalloc(sizeof(*p));
-
- if (p)
- {
- memset(p, 0, sizeof(*p));
- p->name = (char *)xmalloc(SZ_FNAME+1);
- *p->name = '\0';
- p->ind1 = (char *)xmalloc(SZ_IND+1);
- *p->ind1 = '\0';
- p->ind2 = (char *)xmalloc(SZ_IND+1);
- *p->ind2 = '\0';
- p->interval.start = p->interval.end = -1;
- }
- return p;
-}
-void mc_destroy_field(mc_field *p)
-{
- if (!p)
- return;
- if (p->name) xfree(p->name);
- if (p->ind1) xfree(p->ind1);
- if (p->ind2) xfree(p->ind2);
- if (p->list) mc_destroy_subfields_recursive(p->list);
- xfree(p);
-}
-mc_field *mc_getfield(mc_context *c)
-{
- mc_field *pf;
-
- pf = mc_mk_field();
-
- if (!pf)
- {
- c->errcode = EMCNOMEM;
- return 0;
- }
-
- if (mc_getdata(c, pf->name, SZ_FNAME) == SZ_FNAME)
- {
- mc_token nexttok = mc_gettoken(c);
-
- mc_ungettoken(c);
-
- if (nexttok == LINTERVAL)
- {
- mc_getinterval(c, &pf->interval.start, &pf->interval.end);
-#ifdef DEBUG
- fprintf(stderr, "ineterval (%d)-(%d)\n", pf->interval.start,
- pf->interval.end);
-#endif
- }
-
- if ((mc_getdata(c, pf->ind1, SZ_IND) == SZ_IND) &&
- (mc_getdata(c, pf->ind2, SZ_IND) == SZ_IND))
- {
- pf->list = mc_getsubfields(c, 0);
- }
- }
- else
- {
- c->errcode = EMCF;
- mc_destroy_field(pf);
- return 0;
- }
-
- return pf;
-}
-mc_subfield *mc_mk_subfield(mc_subfield *parent)
-{
- mc_subfield *p = (mc_subfield*)xmalloc(sizeof(*p));
-
- if (p)
- {
- memset(p, 0, sizeof(*p));
- p->which = MC_SF;
- p->name = (char *)xmalloc(SZ_SFNAME+1);
- *p->name = '\0';
- p->prefix = (char *)xmalloc(SZ_PREFIX+1);
- *p->prefix = '\0';
- p->suffix = (char *)xmalloc(SZ_SUFFIX+1);
- *p->suffix = '\0';
- p->parent = parent;
- p->interval.start = p->interval.end = -1;
- }
- return p;
-}
-void mc_destroy_subfield(mc_subfield *p)
-{
- if (!p)
- return;
-
- if (p->which == MC_SFGROUP || p->which == MC_SFVARIANT)
- {
- if (p->u.child)
- mc_destroy_subfields_recursive(p->u.child);
- }
- else if (p->which == MC_SF)
- {
- if (p->u.in_line)
- mc_destroy_field(p->u.in_line);
- }
- if (p->name) xfree(p->name);
- if (p->prefix) xfree(p->prefix);
- if (p->suffix) xfree(p->suffix);
- if (p->parent) p->parent->next = p->next;
- xfree(p);
-}
-void mc_destroy_subfields_recursive(mc_subfield *p)
-{
- if (!p)
- return;
-
- mc_destroy_subfields_recursive(p->next);
-
- if (p->which == MC_SFGROUP || p->which == MC_SFVARIANT)
- {
- if (p->u.child)
- mc_destroy_subfields_recursive(p->u.child);
- }
- else if (p->which == MC_SF)
- {
- if (p->u.in_line)
- mc_destroy_field(p->u.in_line);
- }
-
- if (p->name) xfree(p->name);
- if (p->prefix) xfree(p->prefix);
- if (p->suffix) xfree(p->suffix);
- if (p->parent) p->parent->next = 0;
- xfree(p);
-}
-mc_subfield *mc_getsubfields(mc_context *c, mc_subfield *parent)
-{
- mc_subfield *psf=0;
- mc_token tok = mc_gettoken(c);
-
- if (tok == NOP)
- return 0;
-
- if (tok == LGROUP)
- {
- if (!(psf = mc_mk_subfield(parent)))
- {
- c->errcode = EMCNOMEM;
- return 0;
- }
-
- psf->which = MC_SFGROUP;
- psf->u.child = mc_getsubfields(c, psf);
-
- if (mc_gettoken(c) == RGROUP)
- psf->next = mc_getsubfields(c, psf);
- else
- {
- c->errcode = EMCSFGROUP;
- mc_destroy_subfield(psf);
- return 0;
- }
- }
- else if (tok == LVARIANT)
- {
- if (!(psf = mc_mk_subfield(parent)))
- {
- c->errcode = EMCNOMEM;
- return 0;
- }
-
- psf->which = MC_SFVARIANT;
- psf->u.child = mc_getsubfields(c, psf);
-
- if (mc_gettoken(c) == RVARIANT)
- psf->next = mc_getsubfields(c, psf);
- else
- {
- c->errcode = EMCSFVAR;
- mc_destroy_subfield(psf);
- return 0;
- }
- }
- else if (tok == RGROUP || tok == RVARIANT || tok == RINLINE)
- {
- mc_ungettoken(c);
- return 0;
- }
- else if (tok == REGULAR)
- {
- if (!(psf = mc_mk_subfield(parent)))
- {
- c->errcode = EMCNOMEM;
- return 0;
- }
-
- mc_ungettoken(c);
-
- if((mc_getdata(c, psf->prefix, SZ_PREFIX) == SZ_PREFIX) &&
- (mc_gettoken(c) == SUBFIELD) &&
- (mc_getdata(c, psf->name, SZ_SFNAME) == SZ_SFNAME))
- {
- mc_token tok = mc_gettoken(c);
-
- mc_ungettoken(c);
-
- if (tok == LINTERVAL)
- {
- mc_getinterval(c, &psf->interval.start, &psf->interval.end);
- }
- else if (tok == LINLINE)
- {
- mc_gettoken(c);
- psf->u.in_line = mc_getfield(c);
- if (mc_gettoken(c) != RINLINE)
- {
- c->errcode = EMCSFINLINE;
- mc_destroy_subfield(psf);
- return 0;
- }
- }
-
- if (mc_getdata(c, psf->suffix, SZ_SUFFIX) == SZ_SUFFIX)
- {
- psf->which = MC_SF;
- psf->next = mc_getsubfields(c, psf);
- }
- else
- {
- c->errcode = EMCSF;
- mc_destroy_subfield(psf);
- return 0;
- }
- }
- }
- return psf;
-}
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/*
- $Id: marcomp.h,v 1.2 2006-05-10 08:13:28 adam Exp $
-*/
-#ifndef MARCOMP_H
-#define MARCOMP_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct mc_subfield
-{
- char *name;
- char *prefix;
- char *suffix;
- struct {
- int start;
- int end;
- } interval;
- int which;
- union {
-#define MC_SF 1
-#define MC_SFGROUP 2
-#define MC_SFVARIANT 3
- struct mc_field *in_line;
- struct mc_subfield *child;
- } u;
- struct mc_subfield *next;
- struct mc_subfield *parent;
-} mc_subfield;
-
-#define SZ_FNAME 3
-#define SZ_IND 1
-#define SZ_SFNAME 1
-#define SZ_PREFIX 1
-#define SZ_SUFFIX 1
-
-typedef struct mc_field
-{
- char *name;
- char *ind1;
- char *ind2;
- struct {
- int start;
- int end;
- } interval;
- struct mc_subfield *list;
-} mc_field;
-
-typedef enum
-{
- NOP,
- REGULAR,
- LVARIANT,
- RVARIANT,
- LGROUP,
- RGROUP,
- LINLINE,
- RINLINE,
- SUBFIELD,
- LINTERVAL,
- RINTERVAL,
-} mc_token;
-
-typedef enum
-{
- EMCOK = 0, /* first always, mondatory */
- EMCNOMEM,
- EMCF,
- EMCSF,
- EMCSFGROUP,
- EMCSFVAR,
- EMCSFINLINE,
- EMCEND /* last always, mondatory */
-} mc_errcode;
-
-typedef struct mc_context
-{
- int offset;
-
- int crrval;
- mc_token crrtok;
-
- mc_errcode errcode;
-
- int len;
- const char *data;
-} mc_context;
-
-mc_context *mc_mk_context(const char *s);
-void mc_destroy_context(mc_context *c);
-
-mc_field *mc_getfield(mc_context *c);
-void mc_destroy_field(mc_field *p);
-void mc_pr_field(mc_field *p, int offset);
-
-mc_subfield *mc_getsubfields(mc_context *c, mc_subfield *parent);
-void mc_destroy_subfield(mc_subfield *p);
-void mc_destroy_subfields_recursive(mc_subfield *p);
-void mc_pr_subfields(mc_subfield *p, int offset);
-
-mc_errcode mc_errno(mc_context *c);
-const char *mc_error(mc_errcode no);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/* $Id: marcread.c,v 1.34 2006-05-10 08:13:28 adam Exp $
- Copyright (C) 1995-2005
- Index Data ApS
-
-This file is part of the Zebra server.
-
-Zebra is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
-*/
-
-#include <stdio.h>
-#include <ctype.h>
-#include <assert.h>
-
-#include <yaz/yaz-util.h>
-#include <yaz/marcdisp.h>
-#include <idzebra/recgrs.h>
-#include "marcomp.h"
-#include "inline.h"
-
-#define MARC_DEBUG 0
-#define MARCOMP_DEBUG 0
-
-struct marc_info {
- char type[256];
-};
-
-static data1_node *grs_read_iso2709 (struct grs_read_info *p, int marc_xml)
-{
- struct marc_info *mi = (struct marc_info*) p->clientData;
- char buf[100000];
- int entry_p;
- int record_length;
- int indicator_length;
- int identifier_length;
- int base_address;
- int end_of_directory;
- int length_data_entry;
- int length_starting;
- int length_implementation;
- int read_bytes;
-#if MARC_DEBUG
- FILE *outf = stdout;
-#endif
- data1_node *res_root, *res_top;
- char *absynName;
- data1_marctab *marctab;
-
- if ((*p->readf)(p->fh, buf, 5) != 5)
- return NULL;
- while (*buf < '0' || *buf > '9')
- {
- int i;
-
- yaz_log(YLOG_WARN, "MARC: Skipping bad byte %d (0x%02X)",
- *buf & 0xff, *buf & 0xff);
- for (i = 0; i<4; i++)
- buf[i] = buf[i+1];
-
- if ((*p->readf)(p->fh, buf+4, 1) != 1)
- return NULL;
- }
- record_length = atoi_n (buf, 5);
- if (record_length < 25)
- {
- yaz_log (YLOG_WARN, "MARC record length < 25, is %d", record_length);
- return NULL;
- }
- /* read remaining part - attempt to read one byte furhter... */
- read_bytes = (*p->readf)(p->fh, buf+5, record_length-4);
- if (read_bytes < record_length-5)
- {
- yaz_log (YLOG_WARN, "Couldn't read whole MARC record");
- return NULL;
- }
- if (read_bytes == record_length - 4)
- {
- off_t cur_offset = (*p->tellf)(p->fh);
- if (cur_offset <= 27)
- return NULL;
- if (p->endf)
- (*p->endf)(p->fh, cur_offset - 1);
- }
- absynName = mi->type;
- res_root = data1_mk_root (p->dh, p->mem, absynName);
- if (!res_root)
- {
- yaz_log (YLOG_WARN, "cannot read MARC without an abstract syntax");
- return 0;
- }
- if (marc_xml)
- {
- data1_node *lead;
- const char *attr[] = { "xmlns", "http://www.loc.gov/MARC21/slim", 0};
-
- res_top = data1_mk_tag (p->dh, p->mem, "record", attr, res_root);
-
- lead = data1_mk_tag(p->dh, p->mem, "leader", 0, res_top);
- data1_mk_text_n(p->dh, p->mem, buf, 24, lead);
- }
- else
- res_top = data1_mk_tag (p->dh, p->mem, absynName, 0, res_root);
-
- if ((marctab = data1_absyn_getmarctab(p->dh, res_root->u.root.absyn)))
- {
- memcpy(marctab->leader, buf, 24);
- memcpy(marctab->implementation_codes, buf+6, 4);
- marctab->implementation_codes[4] = '\0';
- memcpy(marctab->user_systems, buf+17, 3);
- marctab->user_systems[3] = '\0';
- }
-
- if (marctab && marctab->force_indicator_length >= 0)
- indicator_length = marctab->force_indicator_length;
- else
- indicator_length = atoi_n (buf+10, 1);
- if (marctab && marctab->force_identifier_length >= 0)
- identifier_length = marctab->force_identifier_length;
- else
- identifier_length = atoi_n (buf+11, 1);
- base_address = atoi_n (buf+12, 5);
-
- length_data_entry = atoi_n (buf+20, 1);
- length_starting = atoi_n (buf+21, 1);
- length_implementation = atoi_n (buf+22, 1);
-
- for (entry_p = 24; buf[entry_p] != ISO2709_FS; )
- {
- int l = 3 + length_data_entry + length_starting;
- if (entry_p + l >= record_length)
- {
- yaz_log(YLOG_WARN, "MARC: Directory offset %d: end of record.",
- entry_p);
- return 0;
- }
- /* check for digits in length info */
- while (--l >= 3)
- if (!isdigit(*(const unsigned char *) (buf + entry_p+l)))
- break;
- if (l >= 3)
- {
- /* not all digits, so stop directory scan */
- yaz_log(YLOG_LOG, "MARC: Bad directory");
- break;
- }
- entry_p += 3 + length_data_entry + length_starting;
- }
- end_of_directory = entry_p;
- if (base_address != entry_p+1)
- {
- yaz_log(YLOG_WARN, "MARC: Base address does not follow directory");
- }
- for (entry_p = 24; entry_p != end_of_directory; )
- {
- int data_length;
- int data_offset;
- int end_offset;
- int i, i0;
- char tag[4];
- data1_node *res;
- data1_node *parent = res_top;
-
- memcpy (tag, buf+entry_p, 3);
- entry_p += 3;
- tag[3] = '\0';
-
- if (marc_xml)
- res = parent;
- else
- res = data1_mk_tag_n (p->dh, p->mem, tag, 3, 0 /* attr */, parent);
-
-#if MARC_DEBUG
- fprintf (outf, "%s ", tag);
-#endif
- data_length = atoi_n (buf+entry_p, length_data_entry);
- entry_p += length_data_entry;
- data_offset = atoi_n (buf+entry_p, length_starting);
- entry_p += length_starting;
- i = data_offset + base_address;
- end_offset = i+data_length-1;
-
- if (data_length <= 0 || data_offset < 0 || end_offset >= record_length)
- {
- yaz_log(YLOG_WARN, "MARC: Bad offsets in data. Skipping rest");
- break;
- }
-
- if (memcmp (tag, "00", 2) && indicator_length)
- {
- /* generate indicator node */
- if (marc_xml)
- {
- const char *attr[10];
- int j;
-
- attr[0] = "tag";
- attr[1] = tag;
- attr[2] = 0;
-
- res = data1_mk_tag(p->dh, p->mem, "datafield", attr, res);
-
- for (j = 0; j<indicator_length; j++)
- {
- char str1[18], str2[2];
- sprintf (str1, "ind%d", j+1);
- str2[0] = buf[i+j];
- str2[1] = '\0';
-
- attr[0] = str1;
- attr[1] = str2;
-
- data1_tag_add_attr (p->dh, p->mem, res, attr);
- }
- }
- else
- {
-#if MARC_DEBUG
- int j;
-#endif
- res = data1_mk_tag_n (p->dh, p->mem,
- buf+i, indicator_length, 0 /* attr */, res);
-#if MARC_DEBUG
- for (j = 0; j<indicator_length; j++)
- fprintf (outf, "%c", buf[j+i]);
-#endif
- }
- i += indicator_length;
- }
- else
- {
- if (marc_xml)
- {
- const char *attr[10];
-
- attr[0] = "tag";
- attr[1] = tag;
- attr[2] = 0;
-
- res = data1_mk_tag(p->dh, p->mem, "controlfield", attr, res);
- }
- }
- parent = res;
- /* traverse sub fields */
- i0 = i;
- while (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS && i < end_offset)
- {
- if (memcmp (tag, "00", 2) && identifier_length)
- {
- data1_node *res;
- if (marc_xml)
- {
- int j;
- const char *attr[3];
- char code[10];
-
- for (j = 1; j<identifier_length && j < 9; j++)
- code[j-1] = buf[i+j];
- code[j-1] = 0;
- attr[0] = "code";
- attr[1] = code;
- attr[2] = 0;
- res = data1_mk_tag(p->dh, p->mem, "subfield",
- attr, parent);
- }
- else
- {
- res = data1_mk_tag_n (p->dh, p->mem,
- buf+i+1, identifier_length-1,
- 0 /* attr */, parent);
- }
-#if MARC_DEBUG
- fprintf (outf, " $");
- for (j = 1; j<identifier_length; j++)
- fprintf (outf, "%c", buf[j+i]);
- fprintf (outf, " ");
-#endif
- i += identifier_length;
- i0 = i;
- while (buf[i] != ISO2709_RS && buf[i] != ISO2709_IDFS &&
- buf[i] != ISO2709_FS && i < end_offset)
- {
-#if MARC_DEBUG
- fprintf (outf, "%c", buf[i]);
-#endif
- i++;
- }
- data1_mk_text_n (p->dh, p->mem, buf + i0, i - i0, res);
- i0 = i;
- }
- else
- {
-#if MARC_DEBUG
- fprintf (outf, "%c", buf[i]);
-#endif
- i++;
- }
- }
- if (i > i0)
- {
- data1_mk_text_n (p->dh, p->mem, buf + i0, i - i0, parent);
- }
-#if MARC_DEBUG
- fprintf (outf, "\n");
- if (i < end_offset)
- fprintf (outf, "-- separator but not at end of field\n");
- if (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS)
- fprintf (outf, "-- no separator at end of field\n");
-#endif
- }
- return res_root;
-}
-
-/*
- * Locate some data under this node. This routine should handle variants
- * prettily.
- */
-static char *get_data(data1_node *n, int *len)
-{
- char *r;
-
- while (n)
- {
- if (n->which == DATA1N_data)
- {
- int i;
- *len = n->u.data.len;
-
- for (i = 0; i<*len; i++)
- if (!d1_isspace(n->u.data.data[i]))
- break;
- while (*len && d1_isspace(n->u.data.data[*len - 1]))
- (*len)--;
- *len = *len - i;
- if (*len > 0)
- return n->u.data.data + i;
- }
- if (n->which == DATA1N_tag)
- n = n->child;
- else if (n->which == DATA1N_data)
- n = n->next;
- else
- break;
- }
- r = "";
- *len = strlen(r);
- return r;
-}
-
-static data1_node *lookup_subfield(data1_node *node, const char *name)
-{
- data1_node *p;
-
- for (p=node; p; p=p->next)
- {
- if (!yaz_matchstr(p->u.tag.tag, name))
- return p;
- }
- return 0;
-}
-
-static inline_subfield *lookup_inline_subfield(inline_subfield *pisf,
- const char *name)
-{
- inline_subfield *p;
-
- for (p=pisf; p; p=p->next)
- {
- if (!yaz_matchstr(p->name, name))
- return p;
- }
- return 0;
-}
-
-static inline_subfield *cat_inline_subfield(mc_subfield *psf, WRBUF buf,
- inline_subfield *pisf)
-{
- mc_subfield *p;
-
- for (p = psf; p && pisf; p = p->next)
- {
- if (p->which == MC_SF)
- {
- inline_subfield *found = lookup_inline_subfield(pisf, p->name);
-
- if (found)
- {
- if (strcmp(p->prefix, "_"))
- {
- wrbuf_puts(buf, " ");
- wrbuf_puts(buf, p->prefix);
- }
- if (p->interval.start == -1)
- {
- wrbuf_puts(buf, found->data);
- }
- else
- {
- wrbuf_write(buf, found->data+p->interval.start,
- p->interval.end-p->interval.start);
- wrbuf_puts(buf, "");
- }
- if (strcmp(p->suffix, "_"))
- {
- wrbuf_puts(buf, p->suffix);
- wrbuf_puts(buf, " ");
- }
-#if MARCOMP_DEBUG
- yaz_log(YLOG_LOG, "cat_inline_subfield(): add subfield $%s", found->name);
-#endif
- pisf = found->next;
- }
- }
- else if (p->which == MC_SFVARIANT)
- {
- inline_subfield *next;
-
- do {
- next = cat_inline_subfield(p->u.child, buf, pisf);
- if (next == pisf)
- break;
- pisf = next;
- } while (pisf);
- }
- else if (p->which == MC_SFGROUP)
- {
- mc_subfield *pp;
- int found;
-
- for (pp = p->u.child, found = 0; pp; pp = pp->next)
- {
- if (!yaz_matchstr(pisf->name, p->name))
- {
- found = 1;
- break;
- }
- }
- if (found)
- {
- wrbuf_puts(buf, " (");
- pisf = cat_inline_subfield(p->u.child, buf, pisf);
- wrbuf_puts(buf, ") ");
- }
- }
- }
- return pisf;
-}
-
-static void cat_inline_field(mc_field *pf, WRBUF buf, data1_node *subfield)
-{
- if (!pf || !subfield)
- return;
-
- for (;subfield;)
- {
- int len;
- inline_field *pif=NULL;
- data1_node *psubf;
-
- if (yaz_matchstr(subfield->u.tag.tag, "1"))
- {
- subfield = subfield->next;
- continue;
- }
-
- psubf = subfield;
- pif = inline_mk_field();
- do
- {
- int i;
- if ((i=inline_parse(pif, psubf->u.tag.tag, get_data(psubf, &len)))<0)
- {
- yaz_log(YLOG_WARN, "inline subfield ($%s): parse error",
- psubf->u.tag.tag);
- inline_destroy_field(pif);
- return;
- }
- psubf = psubf->next;
- } while (psubf && yaz_matchstr(psubf->u.tag.tag, "1"));
-
- subfield = psubf;
-
- if (pif && !yaz_matchstr(pif->name, pf->name))
- {
- if (!pf->list && pif->list)
- {
- wrbuf_puts(buf, pif->list->data);
- }
- else
- {
- int ind1, ind2;
-
- /*
- check indicators
- */
-
- ind1 = (pif->ind1[0] == ' ') ? '_':pif->ind1[0];
- ind2 = (pif->ind2[0] == ' ') ? '_':pif->ind2[0];
-
- if (((pf->ind1[0] == '.') || (ind1 == pf->ind1[0])) &&
- ((pf->ind2[0] == '.') || (ind2 == pf->ind2[0])))
- {
- cat_inline_subfield(pf->list, buf, pif->list);
-
- /*
- add separator for inline fields
- */
- if (wrbuf_len(buf))
- {
- wrbuf_puts(buf, "\n");
- }
- }
- else
- {
- yaz_log(YLOG_WARN, "In-line field %s missed -- indicators do not match", pif->name);
- }
- }
- }
- inline_destroy_field(pif);
- }
-#if MARCOMP_DEBUG
- yaz_log(YLOG_LOG, "cat_inline_field(): got buffer {%s}", buf);
-#endif
-}
-
-static data1_node *cat_subfield(mc_subfield *psf, WRBUF buf,
- data1_node *subfield)
-{
- mc_subfield *p;
-
- for (p = psf; p && subfield; p = p->next)
- {
- if (p->which == MC_SF)
- {
- data1_node *found = lookup_subfield(subfield, p->name);
-
- if (found)
- {
- int len;
-
- if (strcmp(p->prefix, "_"))
- {
- wrbuf_puts(buf, " ");
- wrbuf_puts(buf, p->prefix);
- }
-
- if (p->u.in_line)
- {
- cat_inline_field(p->u.in_line, buf, found);
- }
- else if (p->interval.start == -1)
- {
- wrbuf_puts(buf, get_data(found, &len));
- }
- else
- {
- wrbuf_write(buf, get_data(found, &len)+p->interval.start,
- p->interval.end-p->interval.start);
- wrbuf_puts(buf, "");
- }
- if (strcmp(p->suffix, "_"))
- {
- wrbuf_puts(buf, p->suffix);
- wrbuf_puts(buf, " ");
- }
-#if MARCOMP_DEBUG
- yaz_log(YLOG_LOG, "cat_subfield(): add subfield $%s", found->u.tag.tag);
-#endif
- subfield = found->next;
- }
- }
- else if (p->which == MC_SFVARIANT)
- {
- data1_node *next;
- do {
- next = cat_subfield(p->u.child, buf, subfield);
- if (next == subfield)
- break;
- subfield = next;
- } while (subfield);
- }
- else if (p->which == MC_SFGROUP)
- {
- mc_subfield *pp;
- int found;
-
- for (pp = p->u.child, found = 0; pp; pp = pp->next)
- {
- if (!yaz_matchstr(subfield->u.tag.tag, pp->name))
- {
- found = 1;
- break;
- }
- }
- if (found)
- {
- wrbuf_puts(buf, " (");
- subfield = cat_subfield(p->u.child, buf, subfield);
- wrbuf_puts(buf, ") ");
- }
- }
- }
- return subfield;
-}
-
-static data1_node *cat_field(struct grs_read_info *p, mc_field *pf,
- WRBUF buf, data1_node *field)
-{
- data1_node *subfield;
- int ind1, ind2;
-
- if (!pf || !field)
- return 0;
-
-
- if (yaz_matchstr(field->u.tag.tag, pf->name))
- return field->next;
-
- subfield = field->child;
-
- if (!subfield)
- return field->next;
-
- /*
- check subfield without indicators
- */
-
- if (!pf->list && subfield->which == DATA1N_data)
- {
- int len;
-
- if (pf->interval.start == -1)
- {
- wrbuf_puts(buf, get_data(field, &len));
- }
- else
- {
- wrbuf_write(buf, get_data(field, &len)+pf->interval.start,
- pf->interval.end-pf->interval.start);
- wrbuf_puts(buf, "");
- }
-#if MARCOMP_DEBUG
- yaz_log(YLOG_LOG, "cat_field(): got buffer {%s}", buf);
-#endif
- return field->next;
- }
-
- /*
- check indicators
- */
-
- ind1 = (subfield->u.tag.tag[0] == ' ') ? '_':subfield->u.tag.tag[0];
- ind2 = (subfield->u.tag.tag[1] == ' ') ? '_':subfield->u.tag.tag[1];
-
- if (!(
- ((pf->ind1[0] == '.') || (ind1 == pf->ind1[0])) &&
- ((pf->ind2[0] == '.') || (ind2 == pf->ind2[0]))
- ))
- {
-#if MARCOMP_DEBUG
- yaz_log(YLOG_WARN, "Field %s missed -- does not match indicators", field->u.tag.tag);
-#endif
- return field->next;
- }
-
- subfield = subfield->child;
-
- if (!subfield)
- return field->next;
-
- cat_subfield(pf->list, buf, subfield);
-
-#if MARCOMP_DEBUG
- yaz_log(YLOG_LOG, "cat_field(): got buffer {%s}", buf);
-#endif
-
- return field->next;
-}
-
-static int is_empty(char *s)
-{
- char *p = s;
-
- for (p = s; *p; p++)
- {
- if (!isspace(*(unsigned char *)p))
- return 0;
- }
- return 1;
-}
-
-static void parse_data1_tree(struct grs_read_info *p, const char *mc_stmnt,
- data1_node *root)
-{
- data1_marctab *marctab = data1_absyn_getmarctab(p->dh, root->u.root.absyn);
- data1_node *top = root->child;
- data1_node *field;
- mc_context *c;
- mc_field *pf;
- WRBUF buf;
-
- c = mc_mk_context(mc_stmnt+3);
-
- if (!c)
- return;
-
- pf = mc_getfield(c);
-
- if (!pf)
- {
- mc_destroy_context(c);
- return;
- }
- buf = wrbuf_alloc();
-#if MARCOMP_DEBUG
- yaz_log(YLOG_LOG, "parse_data1_tree(): statement -{%s}", mc_stmnt);
-#endif
- if (!yaz_matchstr(pf->name, "ldr"))
- {
- data1_node *new;
-#if MARCOMP_DEBUG
- yaz_log(YLOG_LOG,"parse_data1_tree(): try LEADER from {%d} to {%d} positions",
- pf->interval.start, pf->interval.end);
-#endif
- new = data1_mk_tag_n(p->dh, p->mem, mc_stmnt, strlen(mc_stmnt), 0, top);
- data1_mk_text_n(p->dh, p->mem, marctab->leader+pf->interval.start,
- pf->interval.end-pf->interval.start+1, new);
- }
- else
- {
- field=top->child;
-
- while(field)
- {
- if (!yaz_matchstr(field->u.tag.tag, pf->name))
- {
- data1_node *new;
- char *pb;
-#if MARCOMP_DEBUG
- yaz_log(YLOG_LOG, "parse_data1_tree(): try field {%s}", field->u.tag.tag);
-#endif
- wrbuf_rewind(buf);
- wrbuf_puts(buf, "");
-
- field = cat_field(p, pf, buf, field);
-
- pb = wrbuf_buf(buf);
- for (pb = strtok(pb, "\n"); pb; pb = strtok(NULL, "\n"))
- {
- if (!is_empty(pb))
- {
- new = data1_mk_tag_n(p->dh, p->mem, mc_stmnt, strlen(mc_stmnt), 0, top);
- data1_mk_text_n(p->dh, p->mem, pb, strlen(pb), new);
- }
- }
- }
- else
- {
- field = field->next;
- }
- }
- }
- mc_destroy_field(pf);
- mc_destroy_context(c);
- wrbuf_free(buf, 1);
-}
-
-data1_node *grs_read_marcxml(struct grs_read_info *p)
-{
- data1_node *root = grs_read_iso2709(p, 1);
- data1_element *e;
-
- if (!root)
- return 0;
-
- for (e = data1_absyn_getelements(p->dh, root->u.root.absyn); e; e=e->next)
- {
- data1_tag *tag = e->tag;
-
- if (tag && tag->which == DATA1T_string &&
- !yaz_matchstr(tag->value.string, "mc?"))
- parse_data1_tree(p, tag->value.string, root);
- }
- return root;
-}
-
-data1_node *grs_read_marc(struct grs_read_info *p)
-{
- data1_node *root = grs_read_iso2709(p, 0);
- data1_element *e;
-
- if (!root)
- return 0;
-
- for (e = data1_absyn_getelements(p->dh, root->u.root.absyn); e; e=e->next)
- {
- data1_tag *tag = e->tag;
-
- if (tag && tag->which == DATA1T_string &&
- !yaz_matchstr(tag->value.string, "mc?"))
- parse_data1_tree(p, tag->value.string, root);
- }
- return root;
-}
-
-static void *init_marc(Res res, RecType rt)
-{
- struct marc_info *p = xmalloc(sizeof(*p));
- strcpy(p->type, "");
- return p;
-}
-
-static ZEBRA_RES config_marc(void *clientData, Res res, const char *args)
-{
- struct marc_info *p = (struct marc_info*) clientData;
- if (strlen(args) < sizeof(p->type))
- strcpy(p->type, args);
- return ZEBRA_OK;
-}
-
-static void destroy_marc(void *clientData)
-{
- struct marc_info *p = (struct marc_info*) clientData;
- xfree (p);
-}
-
-
-static int extract_marc(void *clientData, struct recExtractCtrl *ctrl)
-{
- return zebra_grs_extract(clientData, ctrl, grs_read_marc);
-}
-
-static int retrieve_marc(void *clientData, struct recRetrieveCtrl *ctrl)
-{
- return zebra_grs_retrieve(clientData, ctrl, grs_read_marc);
-}
-
-static struct recType marc_type = {
- 0,
- "grs.marc",
- init_marc,
- config_marc,
- destroy_marc,
- extract_marc,
- retrieve_marc,
-};
-
-static int extract_marcxml(void *clientData, struct recExtractCtrl *ctrl)
-{
- return zebra_grs_extract(clientData, ctrl, grs_read_marcxml);
-}
-
-static int retrieve_marcxml(void *clientData, struct recRetrieveCtrl *ctrl)
-{
- return zebra_grs_retrieve(clientData, ctrl, grs_read_marcxml);
-}
-
-static struct recType marcxml_type = {
- 0,
- "grs.marcxml",
- init_marc,
- config_marc,
- destroy_marc,
- extract_marcxml,
- retrieve_marcxml,
-};
-
-RecType
-#ifdef IDZEBRA_STATIC_GRS_MARC
-idzebra_filter_grs_marc
-#else
-idzebra_filter
-#endif
-
-[] = {
- &marc_type,
- &marcxml_type,
- 0,
-};
-
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/* $Id: recctrl.c,v 1.27 2006-06-02 13:55:55 marc Exp $
- Copyright (C) 1995-2006
- Index Data ApS
-
-This file is part of the Zebra server.
-
-Zebra is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
-*/
-
-
-#include <stdio.h>
-#include <assert.h>
-#include <string.h>
-#if HAVE_DLFCN_H
-#include <dlfcn.h>
-#endif
-
-#include <direntz.h>
-#include <idzebra/util.h>
-#include <idzebra/recctrl.h>
-
-struct recTypeClass {
- RecType recType;
- struct recTypeClass *next;
- void *module_handle;
-};
-
-struct recTypeInstance {
- RecType recType;
- struct recTypeInstance *next;
- int init_flag;
- void *clientData;
-};
-
-struct recTypes {
- data1_handle dh;
- struct recTypeInstance *entries;
-};
-
-static void recTypeClass_add (struct recTypeClass **rts, RecType *rt,
- NMEM nmem, void *module_handle);
-
-
-RecTypeClass recTypeClass_create (Res res, NMEM nmem)
-{
- struct recTypeClass *rts = 0;
-
-#ifdef IDZEBRA_STATIC_GRS_SGML
- if (1)
- {
- extern RecType idzebra_filter_grs_sgml[];
- recTypeClass_add (&rts, idzebra_filter_grs_sgml, nmem, 0);
- }
-#endif
-
-#ifdef IDZEBRA_STATIC_TEXT
- if (1)
- {
- extern RecType idzebra_filter_text[];
- recTypeClass_add (&rts, idzebra_filter_text, nmem, 0);
- }
-#endif
-
-#ifdef IDZEBRA_STATIC_GRS_XML
-#if HAVE_EXPAT_H
- if (1)
- {
- extern RecType idzebra_filter_grs_xml[];
- recTypeClass_add (&rts, idzebra_filter_grs_xml, nmem, 0);
- }
-#endif
-#endif
-
-#ifdef IDZEBRA_STATIC_GRS_REGX
- if (1)
- {
- extern RecType idzebra_filter_grs_regx[];
- recTypeClass_add (&rts, idzebra_filter_grs_regx, nmem, 0);
- }
-#endif
-
-#ifdef IDZEBRA_STATIC_GRS_MARC
- if (1)
- {
- extern RecType idzebra_filter_grs_marc[];
- recTypeClass_add (&rts, idzebra_filter_grs_marc, nmem, 0);
- }
-#endif
-
-#ifdef IDZEBRA_STATIC_SAFARI
- if (1)
- {
- extern RecType idzebra_filter_safari[];
- recTypeClass_add (&rts, idzebra_filter_safari, nmem, 0);
- }
-#endif
-
-#ifdef IDZEBRA_STATIC_ALVIS
-#if HAVE_XSLT
- if (1)
- {
- extern RecType idzebra_filter_alvis[];
- recTypeClass_add (&rts, idzebra_filter_alvis, nmem, 0);
- }
-#endif
-#endif
-
- return rts;
-}
-
-void recTypeClass_load_modules(RecTypeClass *rts, NMEM nmem,
- const char *module_path)
-{
-#if HAVE_DLFCN_H
- if (module_path)
- {
- DIR *dir = opendir(module_path);
- yaz_log(YLOG_LOG, "searching filters in %s", module_path);
- if (dir)
- {
- struct dirent *de;
-
- while ((de = readdir(dir)))
- {
- size_t dlen = strlen(de->d_name);
- if (dlen >= 5 &&
- !memcmp(de->d_name, "mod-", 4) &&
- !strcmp(de->d_name + dlen - 3, ".so"))
- {
- void *mod_p, *fl;
- char fname[FILENAME_MAX*2+1];
- sprintf(fname, "%.*s/%.*s",
- FILENAME_MAX, module_path,
- FILENAME_MAX, de->d_name);
- mod_p = dlopen(fname, RTLD_NOW|RTLD_GLOBAL);
- if (mod_p && (fl = dlsym(mod_p, "idzebra_filter")))
- {
- yaz_log(YLOG_LOG, "Loaded filter module %s", fname);
- recTypeClass_add(rts, fl, nmem, mod_p);
- }
- else if (mod_p)
- {
- const char *err = dlerror();
- yaz_log(YLOG_WARN, "dlsym failed %s %s",
- fname, err ? err : "none");
- dlclose(mod_p);
- }
- else
- {
- const char *err = dlerror();
- yaz_log(YLOG_WARN, "dlopen failed %s %s",
- fname, err ? err : "none");
-
- }
- }
- }
- closedir(dir);
- }
- }
-#endif
-}
-
-static void recTypeClass_add(struct recTypeClass **rts, RecType *rt,
- NMEM nmem, void *module_handle)
-{
- while (*rt)
- {
- struct recTypeClass *r = (struct recTypeClass *)
- nmem_malloc (nmem, sizeof(*r));
-
- r->next = *rts;
- *rts = r;
-
- yaz_log(YLOG_LOG, "Adding filter %s", (*rt)->name);
- r->module_handle = module_handle;
- module_handle = 0; /* so that we only store module_handle once */
- r->recType = *rt;
-
- rt++;
- }
-}
-
-void recTypeClass_info(RecTypeClass rtc, void *cd,
- void (*cb)(void *cd, const char *s))
-{
- for (; rtc; rtc = rtc->next)
- (*cb)(cd, rtc->recType->name);
-}
-
-void recTypeClass_destroy(RecTypeClass rtc)
-{
- for (; rtc; rtc = rtc->next)
- {
-#if HAVE_DLFCN_H
- if (rtc->module_handle)
- dlclose(rtc->module_handle);
-#endif
- }
-}
-
-RecTypes recTypes_init(RecTypeClass rtc, data1_handle dh)
-{
- RecTypes rts = (RecTypes) nmem_malloc(data1_nmem_get(dh), sizeof(*rts));
-
- struct recTypeInstance **rti = &rts->entries;
-
- rts->dh = dh;
-
- for (; rtc; rtc = rtc->next)
- {
- *rti = nmem_malloc(data1_nmem_get(dh), sizeof(**rti));
- (*rti)->recType = rtc->recType;
- (*rti)->init_flag = 0;
- rti = &(*rti)->next;
- }
- *rti = 0;
- return rts;
-}
-
-void recTypes_destroy (RecTypes rts)
-{
- struct recTypeInstance *rti;
-
- for (rti = rts->entries; rti; rti = rti->next)
- {
- if (rti->init_flag)
- (*(rti->recType)->destroy)(rti->clientData);
- }
-}
-
-RecType recType_byName (RecTypes rts, Res res, const char *name,
- void **clientDataP)
-{
- struct recTypeInstance *rti;
-
- for (rti = rts->entries; rti; rti = rti->next)
- {
- size_t slen = strlen(rti->recType->name);
- if (!strncmp (rti->recType->name, name, slen)
- && (name[slen] == '\0' || name[slen] == '.'))
- {
- if (!rti->init_flag)
- {
- rti->init_flag = 1;
- rti->clientData =
- (*(rti->recType)->init)(res, rti->recType);
- }
- *clientDataP = rti->clientData;
- if (name[slen])
- slen++; /* skip . */
-
- if (rti->recType->config)
- {
- if ((*(rti->recType)->config)
- (rti->clientData, res, name+slen) != ZEBRA_OK)
- return 0;
- }
- return rti->recType;
- }
- }
- return 0;
-}
-
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/* $Id: recgrs.c,v 1.112 2006-06-13 20:04:15 adam Exp $
- Copyright (C) 1995-2006
- Index Data ApS
-
-This file is part of the Zebra server.
-
-Zebra is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
-*/
-
-#include <stdio.h>
-#include <assert.h>
-#include <sys/types.h>
-#include <ctype.h>
-
-#include <yaz/log.h>
-#include <yaz/oid.h>
-
-#include <d1_absyn.h>
-#include <idzebra/recgrs.h>
-
-#define GRS_MAX_WORD 512
-
-struct source_parser {
- int len;
- const char *tok;
- const char *src;
- int lookahead;
- NMEM nmem;
-};
-
-static int sp_lex(struct source_parser *sp)
-{
- while (*sp->src == ' ')
- (sp->src)++;
- sp->tok = sp->src;
- sp->len = 0;
- while (*sp->src && !strchr("<>();,-: ", *sp->src))
- {
- sp->src++;
- sp->len++;
- }
- if (sp->len)
- sp->lookahead = 't';
- else
- {
- sp->lookahead = *sp->src;
- if (*sp->src)
- sp->src++;
- }
- return sp->lookahead;
-}
-
-static int sp_expr(struct source_parser *sp, data1_node *n, RecWord *wrd);
-
-static int sp_range(struct source_parser *sp, data1_node *n, RecWord *wrd)
-{
- int start, len;
- RecWord tmp_w;
-
- /* ( */
- sp_lex(sp);
- if (sp->lookahead != '(')
- return 0;
- sp_lex(sp); /* skip ( */
-
- /* 1st arg: string */
- if (!sp_expr(sp, n, wrd))
- return 0;
-
- if (sp->lookahead != ',')
- return 0;
- sp_lex(sp); /* skip , */
-
- /* 2nd arg: start */
- if (!sp_expr(sp, n, &tmp_w))
- return 0;
- start = atoi_n(tmp_w.term_buf, tmp_w.term_len);
-
- if (sp->lookahead == ',')
- {
- sp_lex(sp); /* skip , */
-
- /* 3rd arg: length */
- if (!sp_expr(sp, n, &tmp_w))
- return 0;
- len = atoi_n(tmp_w.term_buf, tmp_w.term_len);
- }
- else
- len = wrd->term_len;
-
- /* ) */
- if (sp->lookahead != ')')
- return 0;
- sp_lex(sp);
-
- if (wrd->term_buf && wrd->term_len)
- {
- wrd->term_buf += start;
- wrd->term_len -= start;
- if (wrd->term_len > len)
- wrd->term_len = len;
- }
- return 1;
-}
-
-static int sp_first(struct source_parser *sp, data1_node *n, RecWord *wrd)
-{
- char num_str[20];
- int min_pos = -1;
- sp_lex(sp);
- if (sp->lookahead != '(')
- return 0;
- sp_lex(sp); /* skip ( */
- if (!sp_expr(sp, n, wrd))
- return 0;
- while (sp->lookahead == ',')
- {
- RecWord search_w;
- int i;
- sp_lex(sp); /* skip , */
-
- if (!sp_expr(sp, n, &search_w))
- return 0;
- for (i = 0; i<wrd->term_len; i++)
- {
- int j;
- for (j = 0; j<search_w.term_len && i+j < wrd->term_len; j++)
- if (wrd->term_buf[i+j] != search_w.term_buf[j])
- break;
- if (j == search_w.term_len) /* match ? */
- {
- if (min_pos == -1 || i < min_pos)
- min_pos = i;
- break;
- }
- }
- }
- if (sp->lookahead != ')')
- return 0;
- sp_lex(sp);
- if (min_pos == -1)
- min_pos = 0; /* the default if not found */
- sprintf(num_str, "%d", min_pos);
- wrd->term_buf = nmem_strdup(sp->nmem, num_str);
- wrd->term_len = strlen(wrd->term_buf);
- return 1;
-}
-
-static int sp_expr(struct source_parser *sp, data1_node *n, RecWord *wrd)
-{
- if (sp->lookahead != 't')
- return 0;
- if (sp->len == 4 && !memcmp(sp->tok, "data", sp->len))
- {
- if (n->which == DATA1N_data)
- {
- wrd->term_buf = n->u.data.data;
- wrd->term_len = n->u.data.len;
- }
- sp_lex(sp);
- }
- else if (sp->len == 3 && !memcmp(sp->tok, "tag", sp->len))
- {
- if (n->which == DATA1N_tag)
- {
- wrd->term_buf = n->u.tag.tag;
- wrd->term_len = strlen(n->u.tag.tag);
- }
- sp_lex(sp);
- }
- else if (sp->len == 4 && !memcmp(sp->tok, "attr", sp->len))
- {
- RecWord tmp_w;
- sp_lex(sp);
- if (sp->lookahead != '(')
- return 0;
- sp_lex(sp);
-
- if (!sp_expr(sp, n, &tmp_w))
- return 0;
-
- wrd->term_buf = "";
- wrd->term_len = 0;
- if (n->which == DATA1N_tag)
- {
- data1_xattr *p = n->u.tag.attributes;
- while (p && strlen(p->name) != tmp_w.term_len &&
- memcmp (p->name, tmp_w.term_buf, tmp_w.term_len))
- p = p->next;
- if (p)
- {
- wrd->term_buf = p->value;
- wrd->term_len = strlen(p->value);
- }
- }
- if (sp->lookahead != ')')
- return 0;
- sp_lex(sp);
- }
- else if (sp->len == 5 && !memcmp(sp->tok, "first", sp->len))
- {
- return sp_first(sp, n, wrd);
- }
- else if (sp->len == 5 && !memcmp(sp->tok, "range", sp->len))
- {
- return sp_range(sp, n, wrd);
- }
- else if (sp->len > 0 && isdigit(*(unsigned char *)sp->tok))
- {
- char *b;
- wrd->term_len = sp->len;
- b = nmem_malloc(sp->nmem, sp->len);
- memcpy(b, sp->tok, sp->len);
- wrd->term_buf = b;
- sp_lex(sp);
- }
- else if (sp->len > 2 && sp->tok[0] == '\'' && sp->tok[sp->len-1] == '\'')
- {
- char *b;
- wrd->term_len = sp->len - 2;
- b = nmem_malloc(sp->nmem, wrd->term_len);
- memcpy(b, sp->tok+1, wrd->term_len);
- wrd->term_buf = b;
- sp_lex(sp);
- }
- else
- {
- wrd->term_buf = "";
- wrd->term_len = 0;
- sp_lex(sp);
- }
- return 1;
-}
-
-static struct source_parser *source_parser_create()
-{
- struct source_parser *sp = xmalloc(sizeof(*sp));
-
- sp->nmem = nmem_create();
- return sp;
-}
-
-static void source_parser_destroy(struct source_parser *sp)
-{
- if (!sp)
- return;
- nmem_destroy(sp->nmem);
- xfree(sp);
-}
-
-static int sp_parse(struct source_parser *sp,
- data1_node *n, RecWord *wrd, const char *src)
-{
- sp->len = 0;
- sp->tok = 0;
- sp->src = src;
- sp->lookahead = 0;
- nmem_reset(sp->nmem);
-
- sp_lex(sp);
- return sp_expr(sp, n, wrd);
-}
-
-int d1_check_xpath_predicate(data1_node *n, struct xpath_predicate *p)
-{
- int res = 1;
- char *attname;
- data1_xattr *attr;
-
- if (!p) {
- return 1;
- } else {
- if (p->which == XPATH_PREDICATE_RELATION) {
- if (p->u.relation.name[0]) {
- if (*p->u.relation.name != '@') {
- yaz_log(YLOG_WARN,
- " Only attributes (@) are supported in xelm xpath predicates");
- yaz_log(YLOG_WARN, "predicate %s ignored", p->u.relation.name);
- return 1;
- }
- attname = p->u.relation.name + 1;
- res = 0;
- /* looking for the attribute with a specified name */
- for (attr = n->u.tag.attributes; attr; attr = attr->next) {
- yaz_log(YLOG_DEBUG," - attribute %s <-> %s", attname, attr->name );
-
- if (!strcmp(attr->name, attname)) {
- if (p->u.relation.op[0]) {
- if (*p->u.relation.op != '=') {
- yaz_log(YLOG_WARN,
- "Only '=' relation is supported (%s)",p->u.relation.op);
- yaz_log(YLOG_WARN, "predicate %s ignored", p->u.relation.name);
- res = 1; break;
- } else {
- yaz_log(YLOG_DEBUG," - value %s <-> %s",
- p->u.relation.value, attr->value );
- if (!strcmp(attr->value, p->u.relation.value)) {
- res = 1; break;
- }
- }
- } else {
- /* attribute exists, no value specified */
- res = 1; break;
- }
- }
- }
- yaz_log(YLOG_DEBUG, "return %d", res);
- return res;
- } else {
- return 1;
- }
- }
- else if (p->which == XPATH_PREDICATE_BOOLEAN) {
- if (!strcmp(p->u.boolean.op,"and")) {
- return d1_check_xpath_predicate(n, p->u.boolean.left)
- && d1_check_xpath_predicate(n, p->u.boolean.right);
- }
- else if (!strcmp(p->u.boolean.op,"or")) {
- return (d1_check_xpath_predicate(n, p->u.boolean.left)
- || d1_check_xpath_predicate(n, p->u.boolean.right));
- } else {
- yaz_log(YLOG_WARN, "Unknown boolean relation %s, ignored",p->u.boolean.op);
- return 1;
- }
- }
- }
- return 0;
-}
-
-
-static int dfa_match_first(struct DFA_state **dfaar, const char *text)
-{
- struct DFA_state *s = dfaar[0]; /* start state */
- struct DFA_tran *t;
- int i;
- const char *p = text;
- unsigned char c;
-
- for (c = *p++, t = s->trans, i = s->tran_no; --i >= 0; t++)
- {
- if (c >= t->ch[0] && c <= t->ch[1])
- {
- while (i >= 0)
- {
- /* move to next state and return if we get a match */
- s = dfaar[t->to];
- if (s->rule_no)
- return 1;
- /* next char */
- if (!c)
- return 0;
- c = *p++;
- for (t = s->trans, i = s->tran_no; --i >= 0; t++)
- if (c >= t->ch[0] && c <= t->ch[1])
- break;
- }
- }
- }
- return 0;
-}
-
-/* *ostrich*
-
-New function, looking for xpath "element" definitions in abs, by
-tagpath, using a kind of ugly regxp search.The DFA was built while
-parsing abs, so here we just go trough them and try to match
-against the given tagpath. The first matching entry is returned.
-
-pop, 2002-12-13
-
-Added support for enhanced xelm. Now [] predicates are considered
-as well, when selecting indexing rules... (why the hell it's called
-termlist???)
-
-pop, 2003-01-17
-
-*/
-
-data1_termlist *xpath_termlist_by_tagpath(char *tagpath, data1_node *n)
-{
- data1_absyn *abs = n->root->u.root.absyn;
- data1_xpelement *xpe = abs->xp_elements;
- data1_node *nn;
-#ifdef ENHANCED_XELM
- struct xpath_location_step *xp;
-#endif
- char *pexpr = xmalloc(strlen(tagpath)+5);
- int ok = 0;
-
- sprintf (pexpr, "/%s\n", tagpath);
- for (; xpe; xpe = xpe->next)
- {
- int i;
- ok = dfa_match_first(xpe->dfa->states, pexpr);
-
- if (ok) {
-#ifdef ENHANCED_XELM
- /* we have to check the perdicates up to the root node */
- xp = xpe->xpath;
-
- /* find the first tag up in the node structure */
- for (nn = n; nn && nn->which != DATA1N_tag; nn = nn->parent)
- ;
-
- /* go from inside out in the node structure, while going
- backwards trough xpath location steps ... */
- for (i = xpe->xpath_len - 1; i>0; i--)
- {
- yaz_log(YLOG_DEBUG, "Checking step %d: %s on tag %s",
- i, xp[i].part, nn->u.tag.tag);
-
- if (!d1_check_xpath_predicate(nn, xp[i].predicate))
- {
- yaz_log(YLOG_DEBUG, " Predicates didn't match");
- ok = 0;
- break;
- }
-
- if (nn->which == DATA1N_tag)
- nn = nn->parent;
- }
-#endif
- if (ok)
- break;
- }
- }
-
- xfree(pexpr);
-
- if (ok) {
- yaz_log(YLOG_DEBUG, "Got it");
- return xpe->termlists;
- } else {
- return NULL;
- }
-}
-
-/* use
- 1 start element (tag)
- 2 end element
- 3 start attr (and attr-exact)
- 4 end attr
-
- 1016 cdata
- 1015 attr data
-
- *ostrich*
-
- Now, if there is a matching xelm described in abs, for the
- indexed element or the attribute, then the data is handled according
- to those definitions...
-
- modified by pop, 2002-12-13
-*/
-
-/* add xpath index for an attribute */
-static void index_xpath_attr (char *tag_path, char *name, char *value,
- char *structure, struct recExtractCtrl *p,
- RecWord *wrd)
-{
- wrd->index_name = ZEBRA_XPATH_ELM_BEGIN;
- wrd->index_type = '0';
- wrd->term_buf = tag_path;
- wrd->term_len = strlen(tag_path);
- (*p->tokenAdd)(wrd);
-
- if (value) {
- wrd->index_name = ZEBRA_XPATH_ATTR_CDATA;
- wrd->index_type = 'w';
- wrd->term_buf = value;
- wrd->term_len = strlen(value);
- (*p->tokenAdd)(wrd);
- }
- wrd->index_name = ZEBRA_XPATH_ELM_END;
- wrd->index_type = '0';
- wrd->term_buf = tag_path;
- wrd->term_len = strlen(tag_path);
- (*p->tokenAdd)(wrd);
-}
-
-
-static void mk_tag_path_full(char *tag_path_full, size_t max, data1_node *n)
-{
- size_t flen = 0;
- data1_node *nn;
-
- /* we have to fetch the whole path to the data tag */
- for (nn = n; nn; nn = nn->parent)
- {
- if (nn->which == DATA1N_tag)
- {
- size_t tlen = strlen(nn->u.tag.tag);
- if (tlen + flen > (max - 2))
- break;
- memcpy (tag_path_full + flen, nn->u.tag.tag, tlen);
- flen += tlen;
- tag_path_full[flen++] = '/';
- }
- else
- if (nn->which == DATA1N_root)
- break;
- }
- tag_path_full[flen] = 0;
-}
-
-
-static void index_xpath(struct source_parser *sp, data1_node *n,
- struct recExtractCtrl *p,
- int level, RecWord *wrd,
- char *xpath_index,
- int xpath_is_start
- )
-{
- int i;
- char tag_path_full[1024];
- int termlist_only = 1;
- data1_termlist *tl;
- int xpdone = 0;
- if ((!n->root->u.root.absyn) ||
- (n->root->u.root.absyn->xpath_indexing == DATA1_XPATH_INDEXING_ENABLE)) {
- termlist_only = 0;
- }
-
- switch (n->which)
- {
- case DATA1N_data:
- wrd->term_buf = n->u.data.data;
- wrd->term_len = n->u.data.len;
- xpdone = 0;
-
- mk_tag_path_full(tag_path_full, sizeof(tag_path_full), n);
-
- /* If we have a matching termlist... */
- if (n->root->u.root.absyn &&
- (tl = xpath_termlist_by_tagpath(tag_path_full, n)))
- {
- for (; tl; tl = tl->next)
- {
- /* need to copy recword because it may be changed */
- RecWord wrd_tl;
- wrd->index_type = *tl->structure;
- memcpy (&wrd_tl, wrd, sizeof(*wrd));
- if (tl->source)
- sp_parse(sp, n, &wrd_tl, tl->source);
- if (!tl->index_name)
- {
- /* this is the ! case, so structure is for the xpath index */
- wrd_tl.index_name = xpath_index;
- if (p->flagShowRecords)
- {
- int i;
- printf("%*sXPath index", (level + 1) * 4, "");
- printf (" XData:\"");
- for (i = 0; i<wrd_tl.term_len && i < 40; i++)
- fputc (wrd_tl.term_buf[i], stdout);
- fputc ('"', stdout);
- if (wrd_tl.term_len > 40)
- printf (" ...");
- fputc ('\n', stdout);
- }
- else
- (*p->tokenAdd)(&wrd_tl);
- xpdone = 1;
- } else {
- /* this is just the old fashioned attribute based index */
- wrd_tl.index_name = tl->index_name;
- if (p->flagShowRecords)
- {
- int i;
- printf("%*sIdx: [%s]", (level + 1) * 4, "",
- tl->structure);
- printf("%s %s", tl->index_name, tl->source);
- printf (" XData:\"");
- for (i = 0; i<wrd_tl.term_len && i < 40; i++)
- fputc (wrd_tl.term_buf[i], stdout);
- fputc ('"', stdout);
- if (wrd_tl.term_len > 40)
- printf (" ...");
- fputc ('\n', stdout);
- }
- else
- (*p->tokenAdd)(&wrd_tl);
- }
- }
- }
- /* xpath indexing is done, if there was no termlist given,
- or no ! in the termlist, and default indexing is enabled... */
- if (!p->flagShowRecords && !xpdone && !termlist_only)
- {
- wrd->index_name = xpath_index;
- wrd->index_type = 'w';
- (*p->tokenAdd)(wrd);
- }
- break;
- case DATA1N_tag:
- mk_tag_path_full(tag_path_full, sizeof(tag_path_full), n);
-
- wrd->index_type = '0';
- wrd->term_buf = tag_path_full;
- wrd->term_len = strlen(tag_path_full);
- wrd->index_name = xpath_index;
- if (p->flagShowRecords)
- {
- printf("%*s tag=", (level + 1) * 4, "");
- for (i = 0; i<wrd->term_len && i < 40; i++)
- fputc (wrd->term_buf[i], stdout);
- if (i == 40)
- printf (" ..");
- printf("\n");
- }
- else
- {
- data1_xattr *xp;
- data1_termlist *tl;
- int do_xpindex;
-
- /* Add tag start/end xpath index, only when there is a ! in
- the apropriate xelm directive, or default xpath indexing
- is enabled
- */
- if (!(do_xpindex = 1 - termlist_only))
- {
- if ((tl = xpath_termlist_by_tagpath(tag_path_full, n)))
- {
- for (; tl; tl = tl->next)
- {
- if (!tl->index_name)
- do_xpindex = 1;
- }
- }
- }
- if (do_xpindex) {
- (*p->tokenAdd)(wrd); /* index element pag (AKA tag path) */
- }
-
- if (xpath_is_start == 1) /* only for the starting tag... */
- {
-#define MAX_ATTR_COUNT 50
- data1_termlist *tll[MAX_ATTR_COUNT];
-
- int i = 0;
-
- /* get termlists for attributes, and find out, if we have to do xpath indexing */
- for (xp = n->u.tag.attributes; xp; xp = xp->next) {
- i++;
- }
-
- i = 0;
- for (xp = n->u.tag.attributes; xp; xp = xp->next) {
- char comb[512];
- int do_xpindex = 1 - termlist_only;
- data1_termlist *tl;
- char attr_tag_path_full[1024];
-
- /* this could be cached as well */
- sprintf (attr_tag_path_full, "@%s/%s",
- xp->name, tag_path_full);
-
- tll[i] = xpath_termlist_by_tagpath(attr_tag_path_full,n);
-
- /* if there is a ! in the xelm termlist, or default indexing is on,
- proceed with xpath idx */
- if ((tl = tll[i]))
- {
- for (; tl; tl = tl->next)
- {
- if (!tl->index_name)
- do_xpindex = 1;
- }
- }
-
- if (do_xpindex) {
-
- /* attribute (no value) */
- wrd->index_type = '0';
- wrd->index_name = ZEBRA_XPATH_ATTR_NAME;
- wrd->term_buf = xp->name;
- wrd->term_len = strlen(xp->name);
-
- wrd->seqno--;
- (*p->tokenAdd)(wrd);
-
- if (xp->value &&
- strlen(xp->name) + strlen(xp->value) < sizeof(comb)-2) {
-
- /* attribute value exact */
- strcpy (comb, xp->name);
- strcat (comb, "=");
- strcat (comb, xp->value);
-
- wrd->index_name = ZEBRA_XPATH_ATTR_NAME;
- wrd->index_type = '0';
- wrd->term_buf = comb;
- wrd->term_len = strlen(comb);
- wrd->seqno--;
-
- (*p->tokenAdd)(wrd);
- }
- }
- i++;
- }
-
- i = 0;
- for (xp = n->u.tag.attributes; xp; xp = xp->next) {
- data1_termlist *tl;
- char attr_tag_path_full[1024];
- int xpdone = 0;
-
- sprintf (attr_tag_path_full, "@%s/%s",
- xp->name, tag_path_full);
-
- if ((tl = tll[i]))
- {
- /* If there is a termlist given (=xelm directive) */
- for (; tl; tl = tl->next)
- {
- if (!tl->index_name)
- {
- /* add xpath index for the attribute */
- index_xpath_attr (attr_tag_path_full, xp->name,
- xp->value, tl->structure,
- p, wrd);
- xpdone = 1;
- } else {
- /* index attribute value (only path/@attr) */
- if (xp->value)
- {
- wrd->index_name = tl->index_name;
- wrd->index_type = *tl->structure;
- wrd->term_buf = xp->value;
- wrd->term_len = strlen(xp->value);
- (*p->tokenAdd)(wrd);
- }
- }
- }
- }
- /* if there was no termlist for the given path,
- or the termlist didn't have a ! element, index
- the attribute as "w" */
- if ((!xpdone) && (!termlist_only))
- {
- index_xpath_attr (attr_tag_path_full, xp->name,
- xp->value, "w", p, wrd);
- }
- i++;
- }
- }
- }
- }
-}
-
-static void index_termlist (struct source_parser *sp, data1_node *par,
- data1_node *n,
- struct recExtractCtrl *p, int level, RecWord *wrd)
-{
- data1_termlist *tlist = 0;
- data1_datatype dtype = DATA1K_string;
-
- /*
- * cycle up towards the root until we find a tag with an att..
- * this has the effect of indexing locally defined tags with
- * the attribute of their ancestor in the record.
- */
-
- while (!par->u.tag.element)
- if (!par->parent || !(par=get_parent_tag(p->dh, par->parent)))
- break;
- if (!par || !(tlist = par->u.tag.element->termlists))
- return;
- if (par->u.tag.element->tag)
- dtype = par->u.tag.element->tag->kind;
-
- for (; tlist; tlist = tlist->next)
- {
- /* consider source */
- wrd->term_buf = 0;
- assert(tlist->source);
- sp_parse(sp, n, wrd, tlist->source);
-
- if (wrd->term_buf && wrd->term_len)
- {
- if (p->flagShowRecords)
- {
- int i;
- printf("%*sIdx: [%s]", (level + 1) * 4, "",
- tlist->structure);
- printf("%s %s", tlist->index_name, tlist->source);
- printf (" XData:\"");
- for (i = 0; i<wrd->term_len && i < 40; i++)
- fputc (wrd->term_buf[i], stdout);
- fputc ('"', stdout);
- if (wrd->term_len > 40)
- printf (" ...");
- fputc ('\n', stdout);
- }
- else
- {
- wrd->index_type = *tlist->structure;
- wrd->index_name = tlist->index_name;
- (*p->tokenAdd)(wrd);
- }
- }
- }
-}
-
-static int dumpkeys_r(struct source_parser *sp,
- data1_node *n, struct recExtractCtrl *p, int level,
- RecWord *wrd)
-{
- for (; n; n = n->next)
- {
- if (p->flagShowRecords) /* display element description to user */
- {
- if (n->which == DATA1N_root)
- {
- printf("%*s", level * 4, "");
- printf("Record type: '%s'\n", n->u.root.type);
- }
- else if (n->which == DATA1N_tag)
- {
- data1_element *e;
-
- printf("%*s", level * 4, "");
- if (!(e = n->u.tag.element))
- printf("Local tag: '%s'\n", n->u.tag.tag);
- else
- {
- printf("Elm: '%s' ", e->name);
- if (e->tag)
- {
- data1_tag *t = e->tag;
-
- printf("TagNam: '%s' ", t->names->name);
- printf("(");
- if (t->tagset)
- printf("%s[%d],", t->tagset->name, t->tagset->type);
- else
- printf("?,");
- if (t->which == DATA1T_numeric)
- printf("%d)", t->value.numeric);
- else
- printf("'%s')", t->value.string);
- }
- printf("\n");
- }
- }
- }
-
- if (n->which == DATA1N_tag)
- {
- index_termlist(sp, n, n, p, level, wrd);
- /* index start tag */
- if (n->root->u.root.absyn)
- index_xpath(sp, n, p, level, wrd, ZEBRA_XPATH_ELM_BEGIN,
- 1 /* is start */);
- }
-
- if (n->child)
- if (dumpkeys_r(sp, n->child, p, level + 1, wrd) < 0)
- return -1;
-
-
- if (n->which == DATA1N_data)
- {
- data1_node *par = get_parent_tag(p->dh, n);
-
- if (p->flagShowRecords)
- {
- printf("%*s", level * 4, "");
- printf("Data: ");
- if (n->u.data.len > 256)
- printf("'%.170s ... %.70s'\n", n->u.data.data,
- n->u.data.data + n->u.data.len-70);
- else if (n->u.data.len > 0)
- printf("'%.*s'\n", n->u.data.len, n->u.data.data);
- else
- printf("NULL\n");
- }
-
- if (par)
- index_termlist(sp, par, n, p, level, wrd);
-
- index_xpath(sp, n, p, level, wrd, ZEBRA_XPATH_CDATA,
- 0 /* is start */);
- }
-
- if (n->which == DATA1N_tag)
- {
- /* index end tag */
- index_xpath(sp, n, p, level, wrd, ZEBRA_XPATH_ELM_END,
- 0 /* is start */);
- }
-
- if (p->flagShowRecords && n->which == DATA1N_root)
- {
- printf("%*s-------------\n\n", level * 4, "");
- }
- }
- return 0;
-}
-
-static int dumpkeys(data1_node *n, struct recExtractCtrl *p, RecWord *wrd)
-{
- struct source_parser *sp = source_parser_create();
- int r = dumpkeys_r(sp, n, p, 0, wrd);
- source_parser_destroy(sp);
- return r;
-}
-
-int grs_extract_tree(struct recExtractCtrl *p, data1_node *n)
-{
- oident oe;
- int oidtmp[OID_SIZE];
- RecWord wrd;
-
- oe.proto = PROTO_Z3950;
- oe.oclass = CLASS_SCHEMA;
- if (n->u.root.absyn)
- {
- oe.value = n->u.root.absyn->reference;
-
- if ((oid_ent_to_oid (&oe, oidtmp)))
- (*p->schemaAdd)(p, oidtmp);
- }
- (*p->init)(p, &wrd);
-
- return dumpkeys(n, p, &wrd);
-}
-
-static int grs_extract_sub(void *clientData, struct recExtractCtrl *p,
- NMEM mem,
- data1_node *(*grs_read)(struct grs_read_info *))
-{
- data1_node *n;
- struct grs_read_info gri;
- oident oe;
- int oidtmp[OID_SIZE];
- RecWord wrd;
-
- gri.readf = p->readf;
- gri.seekf = p->seekf;
- gri.tellf = p->tellf;
- gri.endf = p->endf;
- gri.fh = p->fh;
- gri.offset = p->offset;
- gri.mem = mem;
- gri.dh = p->dh;
- gri.clientData = clientData;
-
- n = (*grs_read)(&gri);
- if (!n)
- return RECCTRL_EXTRACT_EOF;
- oe.proto = PROTO_Z3950;
- oe.oclass = CLASS_SCHEMA;
-#if 0
- if (!n->u.root.absyn)
- return RECCTRL_EXTRACT_ERROR;
-#endif
- if (n->u.root.absyn)
- {
- oe.value = n->u.root.absyn->reference;
- if ((oid_ent_to_oid (&oe, oidtmp)))
- (*p->schemaAdd)(p, oidtmp);
- }
- data1_concat_text(p->dh, mem, n);
-
- /* ensure our data1 tree is UTF-8 */
- data1_iconv (p->dh, mem, n, "UTF-8", data1_get_encoding(p->dh, n));
-
-#if 0
- data1_pr_tree (p->dh, n, stdout);
-#endif
-
- (*p->init)(p, &wrd);
- if (dumpkeys(n, p, &wrd) < 0)
- {
- data1_free_tree(p->dh, n);
- return RECCTRL_EXTRACT_ERROR_GENERIC;
- }
- data1_free_tree(p->dh, n);
- return RECCTRL_EXTRACT_OK;
-}
-
-int zebra_grs_extract(void *clientData, struct recExtractCtrl *p,
- data1_node *(*grs_read)(struct grs_read_info *))
-{
- int ret;
- NMEM mem = nmem_create ();
- ret = grs_extract_sub(clientData, p, mem, grs_read);
- nmem_destroy(mem);
- return ret;
-}
-
-/*
- * Return: -1: Nothing done. 0: Ok. >0: Bib-1 diagnostic.
- */
-static int process_comp(data1_handle dh, data1_node *n, Z_RecordComposition *c,
- char **addinfo, ODR o)
-{
- data1_esetname *eset;
- Z_Espec1 *espec = 0;
- Z_ElementSpec *p;
-
- switch (c->which)
- {
- case Z_RecordComp_simple:
- if (c->u.simple->which != Z_ElementSetNames_generic)
- return 26; /* only generic form supported. Fix this later */
- if (!(eset = data1_getesetbyname(dh, n->u.root.absyn,
- c->u.simple->u.generic)))
- {
- yaz_log(YLOG_LOG, "Unknown esetname '%s'", c->u.simple->u.generic);
- *addinfo = odr_strdup(o, c->u.simple->u.generic);
- return 25; /* invalid esetname */
- }
- yaz_log(YLOG_DEBUG, "Esetname '%s' in simple compspec",
- c->u.simple->u.generic);
- espec = eset->spec;
- break;
- case Z_RecordComp_complex:
- if (c->u.complex->generic)
- {
- /* insert check for schema */
- if ((p = c->u.complex->generic->elementSpec))
- {
- switch (p->which)
- {
- case Z_ElementSpec_elementSetName:
- if (!(eset =
- data1_getesetbyname(dh, n->u.root.absyn,
- p->u.elementSetName)))
- {
- yaz_log(YLOG_DEBUG, "Unknown esetname '%s'",
- p->u.elementSetName);
- *addinfo = odr_strdup(o, p->u.elementSetName);
- return 25; /* invalid esetname */
- }
- yaz_log(YLOG_DEBUG, "Esetname '%s' in complex compspec",
- p->u.elementSetName);
- espec = eset->spec;
- break;
- case Z_ElementSpec_externalSpec:
- if (p->u.externalSpec->which == Z_External_espec1)
- {
- yaz_log(YLOG_DEBUG, "Got Espec-1");
- espec = p->u.externalSpec-> u.espec1;
- }
- else
- {
- yaz_log(YLOG_LOG, "Unknown external espec.");
- return 25; /* bad. what is proper diagnostic? */
- }
- break;
- }
- }
- }
- else
- return 26; /* fix */
- }
- if (espec)
- {
- yaz_log(YLOG_DEBUG, "Element: Espec-1 match");
- return data1_doespec1(dh, n, espec);
- }
- else
- {
- yaz_log(YLOG_DEBUG, "Element: all match");
- return -1;
- }
-}
-
-/* Add Zebra info in separate namespace ...
- <root
- ...
- <metadata xmlns="http://www.indexdata.dk/zebra/">
- <size>359</size>
- <localnumber>447</localnumber>
- <filename>records/genera.xml</filename>
- </metadata>
- </root>
-*/
-
-static void zebra_xml_metadata (struct recRetrieveCtrl *p, data1_node *top,
- NMEM mem)
-{
- const char *idzebra_ns[3];
- const char *i2 = "\n ";
- const char *i4 = "\n ";
- data1_node *n;
-
- idzebra_ns[0] = "xmlns";
- idzebra_ns[1] = "http://www.indexdata.dk/zebra/";
- idzebra_ns[2] = 0;
-
- data1_mk_text (p->dh, mem, i2, top);
-
- n = data1_mk_tag (p->dh, mem, "idzebra", idzebra_ns, top);
-
- data1_mk_text (p->dh, mem, "\n", top);
-
- data1_mk_text (p->dh, mem, i4, n);
-
- data1_mk_tag_data_int (p->dh, n, "size", p->recordSize, mem);
-
- if (p->score != -1)
- {
- data1_mk_text (p->dh, mem, i4, n);
- data1_mk_tag_data_int (p->dh, n, "score", p->score, mem);
- }
- data1_mk_text (p->dh, mem, i4, n);
- data1_mk_tag_data_zint (p->dh, n, "localnumber", p->localno, mem);
- if (p->fname)
- {
- data1_mk_text (p->dh, mem, i4, n);
- data1_mk_tag_data_text(p->dh, n, "filename", p->fname, mem);
- }
- data1_mk_text (p->dh, mem, i2, n);
-}
-
-int zebra_grs_retrieve(void *clientData, struct recRetrieveCtrl *p,
- data1_node *(*grs_read)(struct grs_read_info *))
-{
- data1_node *node = 0, *onode = 0, *top;
- data1_node *dnew;
- data1_maptab *map;
- int res, selected = 0;
- NMEM mem;
- struct grs_read_info gri;
- const char *tagname;
-
- int requested_schema = VAL_NONE;
- data1_marctab *marctab;
- int dummy;
-
- mem = nmem_create();
- gri.readf = p->readf;
- gri.seekf = p->seekf;
- gri.tellf = p->tellf;
- gri.endf = NULL;
- gri.fh = p->fh;
- gri.offset = 0;
- gri.mem = mem;
- gri.dh = p->dh;
- gri.clientData = clientData;
-
- yaz_log(YLOG_DEBUG, "grs_retrieve");
- node = (*grs_read)(&gri);
- if (!node)
- {
- p->diagnostic = 14;
- nmem_destroy (mem);
- return 0;
- }
- data1_concat_text(p->dh, mem, node);
-
-#if 0
- data1_pr_tree (p->dh, node, stdout);
-#endif
- top = data1_get_root_tag (p->dh, node);
-
- yaz_log(YLOG_DEBUG, "grs_retrieve: size");
- tagname = data1_systag_lookup(node->u.root.absyn, "size", "size");
- if (tagname &&
- (dnew = data1_mk_tag_data_wd(p->dh, top, tagname, mem)))
- {
- dnew->u.data.what = DATA1I_text;
- dnew->u.data.data = dnew->lbuf;
- sprintf(dnew->u.data.data, "%d", p->recordSize);
- dnew->u.data.len = strlen(dnew->u.data.data);
- }
-
- tagname = data1_systag_lookup(node->u.root.absyn, "rank", "rank");
- if (tagname && p->score >= 0 &&
- (dnew = data1_mk_tag_data_wd(p->dh, top, tagname, mem)))
- {
- yaz_log(YLOG_DEBUG, "grs_retrieve: %s", tagname);
- dnew->u.data.what = DATA1I_num;
- dnew->u.data.data = dnew->lbuf;
- sprintf(dnew->u.data.data, "%d", p->score);
- dnew->u.data.len = strlen(dnew->u.data.data);
- }
-
- tagname = data1_systag_lookup(node->u.root.absyn, "sysno",
- "localControlNumber");
- if (tagname && p->localno > 0 &&
- (dnew = data1_mk_tag_data_wd(p->dh, top, tagname, mem)))
- {
- yaz_log(YLOG_DEBUG, "grs_retrieve: %s", tagname);
- dnew->u.data.what = DATA1I_text;
- dnew->u.data.data = dnew->lbuf;
-
- sprintf(dnew->u.data.data, ZINT_FORMAT, p->localno);
- dnew->u.data.len = strlen(dnew->u.data.data);
- }
-
- if (p->input_format == VAL_TEXT_XML)
- zebra_xml_metadata (p, top, mem);
-
-#if 0
- data1_pr_tree (p->dh, node, stdout);
-#endif
- if (p->comp && p->comp->which == Z_RecordComp_complex &&
- p->comp->u.complex->generic &&
- p->comp->u.complex->generic->which == Z_Schema_oid &&
- p->comp->u.complex->generic->schema.oid)
- {
- oident *oe = oid_getentbyoid (p->comp->u.complex->generic->schema.oid);
- if (oe)
- requested_schema = oe->value;
- }
- /* If schema has been specified, map if possible, then check that
- * we got the right one
- */
- if (requested_schema != VAL_NONE)
- {
- yaz_log(YLOG_DEBUG, "grs_retrieve: schema mapping");
- for (map = node->u.root.absyn->maptabs; map; map = map->next)
- {
- if (map->target_absyn_ref == requested_schema)
- {
- onode = node;
- if (!(node = data1_map_record(p->dh, onode, map, mem)))
- {
- p->diagnostic = 14;
- nmem_destroy (mem);
- return 0;
- }
- break;
- }
- }
- if (node->u.root.absyn &&
- requested_schema != node->u.root.absyn->reference)
- {
- p->diagnostic = 238;
- nmem_destroy (mem);
- return 0;
- }
- }
- /*
- * Does the requested format match a known syntax-mapping? (this reflects
- * the overlap of schema and formatting which is inherent in the MARC
- * family)
- */
- yaz_log(YLOG_DEBUG, "grs_retrieve: syntax mapping");
- if (node->u.root.absyn)
- for (map = node->u.root.absyn->maptabs; map; map = map->next)
- {
- if (map->target_absyn_ref == p->input_format)
- {
- onode = node;
- if (!(node = data1_map_record(p->dh, onode, map, mem)))
- {
- p->diagnostic = 14;
- nmem_destroy (mem);
- return 0;
- }
- break;
- }
- }
- yaz_log(YLOG_DEBUG, "grs_retrieve: schemaIdentifier");
- if (node->u.root.absyn &&
- node->u.root.absyn->reference != VAL_NONE &&
- p->input_format == VAL_GRS1)
- {
- oident oe;
- Odr_oid *oid;
- int oidtmp[OID_SIZE];
-
- oe.proto = PROTO_Z3950;
- oe.oclass = CLASS_SCHEMA;
- oe.value = node->u.root.absyn->reference;
-
- if ((oid = oid_ent_to_oid (&oe, oidtmp)))
- {
- char tmp[128];
- data1_handle dh = p->dh;
- char *p = tmp;
- int *ii;
-
- for (ii = oid; *ii >= 0; ii++)
- {
- if (p != tmp)
- *(p++) = '.';
- sprintf(p, "%d", *ii);
- p += strlen(p);
- }
- if ((dnew = data1_mk_tag_data_wd(dh, top,
- "schemaIdentifier", mem)))
- {
- dnew->u.data.what = DATA1I_oid;
- dnew->u.data.data = (char *) nmem_malloc(mem, p - tmp);
- memcpy(dnew->u.data.data, tmp, p - tmp);
- dnew->u.data.len = p - tmp;
- }
- }
- }
-
- yaz_log(YLOG_DEBUG, "grs_retrieve: element spec");
- if (p->comp && (res = process_comp(p->dh, node, p->comp, &p->addinfo,
- p->odr)) > 0)
- {
- p->diagnostic = res;
- if (onode)
- data1_free_tree(p->dh, onode);
- data1_free_tree(p->dh, node);
- nmem_destroy(mem);
- return 0;
- }
- else if (p->comp && !res)
- selected = 1;
-
-#if 0
- data1_pr_tree (p->dh, node, stdout);
-#endif
- yaz_log(YLOG_DEBUG, "grs_retrieve: transfer syntax mapping");
- switch (p->output_format = (p->input_format != VAL_NONE ?
- p->input_format : VAL_SUTRS))
- {
- case VAL_TEXT_XML:
-#if 0
- data1_pr_tree (p->dh, node, stdout);
-#endif
- /* default output encoding for XML is UTF-8 */
- data1_iconv (p->dh, mem, node,
- p->encoding ? p->encoding : "UTF-8",
- data1_get_encoding(p->dh, node));
-
- if (!(p->rec_buf = data1_nodetoidsgml(p->dh, node, selected,
- &p->rec_len)))
- p->diagnostic = 238;
- else
- {
- char *new_buf = (char*) odr_malloc (p->odr, p->rec_len);
- memcpy (new_buf, p->rec_buf, p->rec_len);
- p->rec_buf = new_buf;
- }
- break;
- case VAL_GRS1:
- data1_iconv (p->dh, mem, node, "UTF-8", data1_get_encoding(p->dh, node));
- dummy = 0;
- if (!(p->rec_buf = data1_nodetogr(p->dh, node, selected,
- p->odr, &dummy)))
- p->diagnostic = 238; /* not available in requested syntax */
- else
- p->rec_len = -1;
- break;
- case VAL_EXPLAIN:
- /* ensure our data1 tree is UTF-8 */
- data1_iconv (p->dh, mem, node, "UTF-8", data1_get_encoding(p->dh, node));
-
- if (!(p->rec_buf = data1_nodetoexplain(p->dh, node, selected,
- p->odr)))
- p->diagnostic = 238;
- else
- p->rec_len = -1;
- break;
- case VAL_SUMMARY:
- /* ensure our data1 tree is UTF-8 */
- data1_iconv (p->dh, mem, node, "UTF-8", data1_get_encoding(p->dh, node));
- if (!(p->rec_buf = data1_nodetosummary(p->dh, node, selected,
- p->odr)))
- p->diagnostic = 238;
- else
- p->rec_len = -1;
- break;
- case VAL_SUTRS:
- if (p->encoding)
- data1_iconv (p->dh, mem, node, p->encoding,
- data1_get_encoding(p->dh, node));
- if (!(p->rec_buf = data1_nodetobuf(p->dh, node, selected,
- &p->rec_len)))
- p->diagnostic = 238;
- else
- {
- char *new_buf = (char*) odr_malloc (p->odr, p->rec_len);
- memcpy (new_buf, p->rec_buf, p->rec_len);
- p->rec_buf = new_buf;
- }
- break;
- case VAL_SOIF:
- if (p->encoding)
- data1_iconv (p->dh, mem, node, p->encoding,
- data1_get_encoding(p->dh, node));
- if (!(p->rec_buf = data1_nodetosoif(p->dh, node, selected,
- &p->rec_len)))
- p->diagnostic = 238;
- else
- {
- char *new_buf = (char*) odr_malloc (p->odr, p->rec_len);
- memcpy (new_buf, p->rec_buf, p->rec_len);
- p->rec_buf = new_buf;
- }
- break;
- default:
- if (!node->u.root.absyn)
- {
- p->diagnostic = 238;
- break;
- }
- for (marctab = node->u.root.absyn->marc; marctab;
- marctab = marctab->next)
- if (marctab->reference == p->input_format)
- break;
- if (!marctab)
- {
- p->diagnostic = 238;
- break;
- }
- if (p->encoding)
- data1_iconv (p->dh, mem, node, p->encoding,
- data1_get_encoding(p->dh, node));
- if (!(p->rec_buf = data1_nodetomarc(p->dh, marctab, node,
- selected, &p->rec_len)))
- p->diagnostic = 238;
- else
- {
- char *new_buf = (char*) odr_malloc (p->odr, p->rec_len);
- memcpy (new_buf, p->rec_buf, p->rec_len);
- p->rec_buf = new_buf;
- }
- }
- if (node)
- data1_free_tree(p->dh, node);
- if (onode)
- data1_free_tree(p->dh, onode);
- nmem_destroy(mem);
- return 0;
-}
-
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/* $Id: rectext.c,v 1.31 2006-05-10 08:13:30 adam Exp $
- Copyright (C) 1995-2005
- Index Data ApS
-
-This file is part of the Zebra server.
-
-Zebra is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
-*/
-
-
-#include <stdio.h>
-#include <assert.h>
-#include <ctype.h>
-
-#include <idzebra/util.h>
-#include <idzebra/recctrl.h>
-
-struct filter_info {
- char *sep;
-};
-
-static void *filter_init (Res res, RecType recType)
-{
- struct filter_info *tinfo = (struct filter_info *) xmalloc(sizeof(*tinfo));
- tinfo->sep = 0;
- return tinfo;
-}
-
-static ZEBRA_RES filter_config(void *clientData, Res res, const char *args)
-{
- struct filter_info *tinfo = (struct filter_info*) clientData;
- xfree(tinfo->sep);
- tinfo->sep = 0;
- if (args && *args)
- tinfo->sep = xstrdup(args);
- return ZEBRA_OK;
-}
-
-static void filter_destroy (void *clientData)
-{
- struct filter_info *tinfo = clientData;
- xfree (tinfo->sep);
- xfree (tinfo);
-}
-
-struct buf_info {
- struct recExtractCtrl *p;
- char *buf;
- int offset;
- int max;
-};
-
-static struct buf_info *buf_open (struct recExtractCtrl *p)
-{
- struct buf_info *fi = (struct buf_info *) xmalloc (sizeof(*fi));
-
- fi->p = p;
- fi->buf = (char *) xmalloc (4096);
- fi->offset = 1;
- fi->max = 1;
- return fi;
-}
-
-static int buf_getchar (struct filter_info *tinfo, struct buf_info *fi, char *dst)
-{
- if (fi->offset >= fi->max)
- {
- if (fi->max <= 0)
- return 0;
- fi->max = (*fi->p->readf)(fi->p->fh, fi->buf, 4096);
- fi->offset = 0;
- if (fi->max <= 0)
- return 0;
- }
- *dst = fi->buf[(fi->offset)++];
- if (tinfo->sep && *dst == *tinfo->sep)
- {
- off_t off = (*fi->p->tellf)(fi->p->fh);
- (*fi->p->endf)(fi->p->fh, off - (fi->max - fi->offset));
- return 0;
- }
- return 1;
-}
-
-static void buf_close (struct buf_info *fi)
-{
- xfree (fi->buf);
- xfree (fi);
-}
-
-static int filter_extract (void *clientData, struct recExtractCtrl *p)
-{
- struct filter_info *tinfo = clientData;
- char w[512];
- RecWord recWord;
- int r;
- struct buf_info *fi = buf_open (p);
- int no_read = 0;
-
-#if 0
- yaz_log(YLOG_LOG, "filter_extract off=%ld",
- (long) (*fi->p->tellf)(fi->p->fh));
-#endif
- (*p->init)(p, &recWord);
- do
- {
- int i = 0;
-
- r = buf_getchar (tinfo, fi, w);
- while (r > 0 && i < 511 && w[i] != '\n' && w[i] != '\r')
- {
- i++;
- r = buf_getchar (tinfo, fi, w + i);
- }
- if (i)
- {
- no_read += i;
- recWord.term_buf = w;
- recWord.term_len = i;
- (*p->tokenAdd)(&recWord);
- }
- } while (r > 0);
- buf_close (fi);
- if (no_read == 0)
- return RECCTRL_EXTRACT_EOF;
- return RECCTRL_EXTRACT_OK;
-}
-
-static int filter_retrieve (void *clientData, struct recRetrieveCtrl *p)
-{
- int r, filter_ptr = 0;
- static char *filter_buf = NULL;
- static int filter_size = 0;
- int make_header = 1;
- int make_body = 1;
- const char *elementSetName = NULL;
- int no_lines = 0;
-
- if (p->comp && p->comp->which == Z_RecordComp_simple &&
- p->comp->u.simple->which == Z_ElementSetNames_generic)
- elementSetName = p->comp->u.simple->u.generic;
-
- if (elementSetName)
- {
- /* don't make header for the R(aw) element set name */
- if (!strcmp(elementSetName, "R"))
- {
- make_header = 0;
- make_body = 1;
- }
- /* only make header for the H(eader) element set name */
- else if (!strcmp(elementSetName, "H"))
- {
- make_header = 1;
- make_body = 0;
- }
- }
- while (1)
- {
- if (filter_ptr + 4096 >= filter_size)
- {
- char *nb;
-
- filter_size = 2*filter_size + 8192;
- nb = (char *) xmalloc (filter_size);
- if (filter_buf)
- {
- memcpy (nb, filter_buf, filter_ptr);
- xfree (filter_buf);
- }
- filter_buf = nb;
- }
- if (make_header && filter_ptr == 0)
- {
- if (p->score >= 0)
- {
- sprintf (filter_buf, "Rank: %d\n", p->score);
- filter_ptr = strlen(filter_buf);
- }
- sprintf (filter_buf + filter_ptr, "Local Number: " ZINT_FORMAT "\n",
- p->localno);
- filter_ptr = strlen(filter_buf);
- if (p->fname)
- {
- sprintf (filter_buf + filter_ptr, "Filename: %s\n", p->fname);
- filter_ptr = strlen(filter_buf);
- }
- strcpy(filter_buf+filter_ptr++, "\n");
- }
- if (!make_body)
- break;
- r = (*p->readf)(p->fh, filter_buf + filter_ptr, 4096);
- if (r <= 0)
- break;
- filter_ptr += r;
- }
- filter_buf[filter_ptr] = '\0';
- if (elementSetName)
- {
- if (!strcmp (elementSetName, "B"))
- no_lines = 4;
- if (!strcmp (elementSetName, "M"))
- no_lines = 20;
- }
- if (no_lines)
- {
- char *p = filter_buf;
- int i = 0;
-
- while (++i <= no_lines && (p = strchr (p, '\n')))
- p++;
- if (p)
- {
- p[1] = '\0';
- filter_ptr = p-filter_buf;
- }
- }
- p->output_format = VAL_SUTRS;
- p->rec_buf = filter_buf;
- p->rec_len = filter_ptr;
- return 0;
-}
-
-static struct recType filter_type = {
- 0,
- "text",
- filter_init,
- filter_config,
- filter_destroy,
- filter_extract,
- filter_retrieve
-};
-
-RecType
-#ifdef IDZEBRA_STATIC_TEXT
-idzebra_filter_text
-#else
-idzebra_filter
-#endif
-
-[] = {
- &filter_type,
- 0,
-};
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/* $Id: regxread.c,v 1.62 2006-06-13 19:45:14 adam Exp $
- Copyright (C) 1995-2005
- Index Data ApS
-
-This file is part of the Zebra server.
-
-Zebra is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <assert.h>
-#include <string.h>
-#include <ctype.h>
-
-#include <yaz/tpath.h>
-#include <idzebra/util.h>
-#include <dfa.h>
-#include <idzebra/recgrs.h>
-
-#if HAVE_TCL_H
-#include <tcl.h>
-
-#if MAJOR_VERSION >= 8
-#define HAVE_TCL_OBJECTS
-#endif
-#endif
-
-#define REGX_DEBUG 0
-
-#define F_WIN_EOF 2000000000
-#define F_WIN_READ 1
-
-#define REGX_EOF 0
-#define REGX_PATTERN 1
-#define REGX_BODY 2
-#define REGX_BEGIN 3
-#define REGX_END 4
-#define REGX_CODE 5
-#define REGX_CONTEXT 6
-#define REGX_INIT 7
-
-struct regxCode {
- char *str;
-#if HAVE_TCL_OBJECTS
- Tcl_Obj *tcl_obj;
-#endif
-};
-
-struct lexRuleAction {
- int which;
- union {
- struct {
- struct DFA *dfa; /* REGX_PATTERN */
- int body;
- } pattern;
- struct regxCode *code; /* REGX_CODE */
- } u;
- struct lexRuleAction *next;
-};
-
-struct lexRuleInfo {
- int no;
- struct lexRuleAction *actionList;
-};
-
-struct lexRule {
- struct lexRuleInfo info;
- struct lexRule *next;
-};
-
-struct lexContext {
- char *name;
- struct DFA *dfa;
- struct lexRule *rules;
- struct lexRuleInfo **fastRule;
- int ruleNo;
- int initFlag;
-
- struct lexRuleAction *beginActionList;
- struct lexRuleAction *endActionList;
- struct lexRuleAction *initActionList;
- struct lexContext *next;
-};
-
-struct lexConcatBuf {
- int max;
- char *buf;
-};
-
-struct lexSpec {
- char *name;
- struct lexContext *context;
-
- struct lexContext **context_stack;
- int context_stack_size;
- int context_stack_top;
-
- int lineNo;
- NMEM m;
- data1_handle dh;
-#if HAVE_TCL_H
- Tcl_Interp *tcl_interp;
-#endif
- void *f_win_fh;
- void (*f_win_ef)(void *, off_t);
-
- int f_win_start; /* first byte of buffer is this file offset */
- int f_win_end; /* last byte of buffer is this offset - 1 */
- int f_win_size; /* size of buffer */
- char *f_win_buf; /* buffer itself */
- int (*f_win_rf)(void *, char *, size_t);
- off_t (*f_win_sf)(void *, off_t);
-
- struct lexConcatBuf *concatBuf;
- int maxLevel;
- data1_node **d1_stack;
- int d1_level;
- int stop_flag;
-
- int *arg_start;
- int *arg_end;
- int arg_no;
- int ptr;
-};
-
-struct lexSpecs {
- struct lexSpec *spec;
- char type[256];
-};
-
-static char *f_win_get (struct lexSpec *spec, off_t start_pos, off_t end_pos,
- int *size)
-{
- int i, r, off = start_pos - spec->f_win_start;
-
- if (off >= 0 && end_pos <= spec->f_win_end)
- {
- *size = end_pos - start_pos;
- return spec->f_win_buf + off;
- }
- if (off < 0 || start_pos >= spec->f_win_end)
- {
- (*spec->f_win_sf)(spec->f_win_fh, start_pos);
- spec->f_win_start = start_pos;
-
- if (!spec->f_win_buf)
- spec->f_win_buf = (char *) xmalloc (spec->f_win_size);
- *size = (*spec->f_win_rf)(spec->f_win_fh, spec->f_win_buf,
- spec->f_win_size);
- spec->f_win_end = spec->f_win_start + *size;
-
- if (*size > end_pos - start_pos)
- *size = end_pos - start_pos;
- return spec->f_win_buf;
- }
- for (i = 0; i<spec->f_win_end - start_pos; i++)
- spec->f_win_buf[i] = spec->f_win_buf[i + off];
- r = (*spec->f_win_rf)(spec->f_win_fh,
- spec->f_win_buf + i,
- spec->f_win_size - i);
- spec->f_win_start = start_pos;
- spec->f_win_end += r;
- *size = i + r;
- if (*size > end_pos - start_pos)
- *size = end_pos - start_pos;
- return spec->f_win_buf;
-}
-
-static int f_win_advance (struct lexSpec *spec, int *pos)
-{
- int size;
- char *buf;
-
- if (*pos >= spec->f_win_start && *pos < spec->f_win_end)
- return spec->f_win_buf[(*pos)++ - spec->f_win_start];
- if (*pos == F_WIN_EOF)
- return 0;
- buf = f_win_get (spec, *pos, *pos+1, &size);
- if (size == 1)
- {
- (*pos)++;
- return *buf;
- }
- *pos = F_WIN_EOF;
- return 0;
-}
-
-static void regxCodeDel (struct regxCode **pp)
-{
- struct regxCode *p = *pp;
- if (p)
- {
-#if HAVE_TCL_OBJECTS
- if (p->tcl_obj)
- Tcl_DecrRefCount (p->tcl_obj);
-#endif
- xfree (p->str);
- xfree (p);
- *pp = NULL;
- }
-}
-
-static void regxCodeMk (struct regxCode **pp, const char *buf, int len)
-{
- struct regxCode *p;
-
- p = (struct regxCode *) xmalloc (sizeof(*p));
- p->str = (char *) xmalloc (len+1);
- memcpy (p->str, buf, len);
- p->str[len] = '\0';
-#if HAVE_TCL_OBJECTS
- p->tcl_obj = Tcl_NewStringObj ((char *) buf, len);
- if (p->tcl_obj)
- Tcl_IncrRefCount (p->tcl_obj);
-#endif
- *pp = p;
-}
-
-static struct DFA *lexSpecDFA (void)
-{
- struct DFA *dfa;
-
- dfa = dfa_init ();
- dfa_parse_cmap_del (dfa, ' ');
- dfa_parse_cmap_del (dfa, '\t');
- dfa_parse_cmap_add (dfa, '/', 0);
- return dfa;
-}
-
-static void actionListDel (struct lexRuleAction **rap)
-{
- struct lexRuleAction *ra1, *ra;
-
- for (ra = *rap; ra; ra = ra1)
- {
- ra1 = ra->next;
- switch (ra->which)
- {
- case REGX_PATTERN:
- dfa_delete (&ra->u.pattern.dfa);
- break;
- case REGX_CODE:
- regxCodeDel (&ra->u.code);
- break;
- }
- xfree (ra);
- }
- *rap = NULL;
-}
-
-static struct lexContext *lexContextCreate (const char *name)
-{
- struct lexContext *p = (struct lexContext *) xmalloc (sizeof(*p));
-
- p->name = xstrdup (name);
- p->ruleNo = 1;
- p->initFlag = 0;
- p->dfa = lexSpecDFA ();
- p->rules = NULL;
- p->fastRule = NULL;
- p->beginActionList = NULL;
- p->endActionList = NULL;
- p->initActionList = NULL;
- p->next = NULL;
- return p;
-}
-
-static void lexContextDestroy (struct lexContext *p)
-{
- struct lexRule *rp, *rp1;
-
- dfa_delete (&p->dfa);
- xfree (p->fastRule);
- for (rp = p->rules; rp; rp = rp1)
- {
- rp1 = rp->next;
- actionListDel (&rp->info.actionList);
- xfree (rp);
- }
- actionListDel (&p->beginActionList);
- actionListDel (&p->endActionList);
- actionListDel (&p->initActionList);
- xfree (p->name);
- xfree (p);
-}
-
-static struct lexSpec *lexSpecCreate (const char *name, data1_handle dh)
-{
- struct lexSpec *p;
- int i;
-
- p = (struct lexSpec *) xmalloc (sizeof(*p));
- p->name = (char *) xmalloc (strlen(name)+1);
- strcpy (p->name, name);
-
-#if HAVE_TCL_H
- p->tcl_interp = 0;
-#endif
- p->dh = dh;
- p->context = NULL;
- p->context_stack_size = 100;
- p->context_stack = (struct lexContext **)
- xmalloc (sizeof(*p->context_stack) * p->context_stack_size);
- p->f_win_buf = NULL;
-
- p->maxLevel = 128;
- p->concatBuf = (struct lexConcatBuf *)
- xmalloc (sizeof(*p->concatBuf) * p->maxLevel);
- for (i = 0; i < p->maxLevel; i++)
- {
- p->concatBuf[i].max = 0;
- p->concatBuf[i].buf = 0;
- }
- p->d1_stack = (data1_node **) xmalloc (sizeof(*p->d1_stack) * p->maxLevel);
- p->d1_level = 0;
- return p;
-}
-
-static void lexSpecDestroy (struct lexSpec **pp)
-{
- struct lexSpec *p;
- struct lexContext *lt;
- int i;
-
- assert (pp);
- p = *pp;
- if (!p)
- return ;
-
- for (i = 0; i < p->maxLevel; i++)
- xfree (p->concatBuf[i].buf);
- xfree (p->concatBuf);
-
- lt = p->context;
- while (lt)
- {
- struct lexContext *lt_next = lt->next;
- lexContextDestroy (lt);
- lt = lt_next;
- }
-#if HAVE_TCL_OBJECTS
- if (p->tcl_interp)
- Tcl_DeleteInterp (p->tcl_interp);
-#endif
- xfree (p->name);
- xfree (p->f_win_buf);
- xfree (p->context_stack);
- xfree (p->d1_stack);
- xfree (p);
- *pp = NULL;
-}
-
-static int readParseToken (const char **cpp, int *len)
-{
- const char *cp = *cpp;
- char cmd[32];
- int i, level;
-
- while (*cp == ' ' || *cp == '\t' || *cp == '\n' || *cp == '\r')
- cp++;
- switch (*cp)
- {
- case '\0':
- return 0;
- case '/':
- *cpp = cp+1;
- return REGX_PATTERN;
- case '{':
- *cpp = cp+1;
- level = 1;
- while (*++cp)
- {
- if (*cp == '{')
- level++;
- else if (*cp == '}')
- {
- level--;
- if (level == 0)
- break;
- }
- }
- *len = cp - *cpp;
- return REGX_CODE;
- default:
- i = 0;
- while (1)
- {
- if (*cp >= 'a' && *cp <= 'z')
- cmd[i] = *cp;
- else if (*cp >= 'A' && *cp <= 'Z')
- cmd[i] = *cp + 'a' - 'A';
- else
- break;
- if (i < (int) sizeof(cmd)-2)
- i++;
- cp++;
- }
- cmd[i] = '\0';
- if (i == 0)
- {
- yaz_log (YLOG_WARN, "bad character %d %c", *cp, *cp);
- cp++;
- while (*cp && *cp != ' ' && *cp != '\t' &&
- *cp != '\n' && *cp != '\r')
- cp++;
- *cpp = cp;
- return 0;
- }
- *cpp = cp;
- if (!strcmp (cmd, "begin"))
- return REGX_BEGIN;
- else if (!strcmp (cmd, "end"))
- return REGX_END;
- else if (!strcmp (cmd, "body"))
- return REGX_BODY;
- else if (!strcmp (cmd, "context"))
- return REGX_CONTEXT;
- else if (!strcmp (cmd, "init"))
- return REGX_INIT;
- else
- {
- yaz_log (YLOG_WARN, "bad command %s", cmd);
- return 0;
- }
- }
-}
-
-static int actionListMk (struct lexSpec *spec, const char *s,
- struct lexRuleAction **ap)
-{
- int r, tok, len;
- int bodyMark = 0;
- const char *s0;
-
- while ((tok = readParseToken (&s, &len)))
- {
- switch (tok)
- {
- case REGX_BODY:
- bodyMark = 1;
- continue;
- case REGX_CODE:
- *ap = (struct lexRuleAction *) xmalloc (sizeof(**ap));
- (*ap)->which = tok;
- regxCodeMk (&(*ap)->u.code, s, len);
- s += len+1;
- break;
- case REGX_PATTERN:
- *ap = (struct lexRuleAction *) xmalloc (sizeof(**ap));
- (*ap)->which = tok;
- (*ap)->u.pattern.body = bodyMark;
- bodyMark = 0;
- (*ap)->u.pattern.dfa = lexSpecDFA ();
- s0 = s;
- r = dfa_parse ((*ap)->u.pattern.dfa, &s);
- if (r || *s != '/')
- {
- int pos = s - s0;
- xfree (*ap);
- *ap = NULL;
- yaz_log(YLOG_WARN, "regular expression error '%.*s'", pos, s0);
- return -1;
- }
- else
- {
- int pos = s - s0;
- if (debug_dfa_tran)
- printf("pattern: %.*s\n", pos, s0);
- dfa_mkstate((*ap)->u.pattern.dfa);
- s++;
- }
- break;
- case REGX_BEGIN:
- yaz_log (YLOG_WARN, "cannot use BEGIN here");
- continue;
- case REGX_INIT:
- yaz_log (YLOG_WARN, "cannot use INIT here");
- continue;
- case REGX_END:
- *ap = (struct lexRuleAction *) xmalloc (sizeof(**ap));
- (*ap)->which = tok;
- break;
- }
- ap = &(*ap)->next;
- }
- *ap = NULL;
- return 0;
-}
-
-int readOneSpec (struct lexSpec *spec, const char *s)
-{
- int len, r, tok;
- struct lexRule *rp;
- struct lexContext *lc;
-
- tok = readParseToken (&s, &len);
- if (tok == REGX_CONTEXT)
- {
- char context_name[32];
- tok = readParseToken (&s, &len);
- if (tok != REGX_CODE)
- {
- yaz_log (YLOG_WARN, "missing name after CONTEXT keyword");
- return 0;
- }
- if (len > 31)
- len = 31;
- memcpy (context_name, s, len);
- context_name[len] = '\0';
- lc = lexContextCreate (context_name);
- lc->next = spec->context;
- spec->context = lc;
- return 0;
- }
- if (!spec->context)
- spec->context = lexContextCreate ("main");
-
- switch (tok)
- {
- case REGX_BEGIN:
- actionListDel (&spec->context->beginActionList);
- actionListMk (spec, s, &spec->context->beginActionList);
- break;
- case REGX_END:
- actionListDel (&spec->context->endActionList);
- actionListMk (spec, s, &spec->context->endActionList);
- break;
- case REGX_INIT:
- actionListDel (&spec->context->initActionList);
- actionListMk (spec, s, &spec->context->initActionList);
- break;
- case REGX_PATTERN:
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "rule %d %s", spec->context->ruleNo, s);
-#endif
- r = dfa_parse (spec->context->dfa, &s);
- if (r)
- {
- yaz_log (YLOG_WARN, "regular expression error. r=%d", r);
- return -1;
- }
- if (*s != '/')
- {
- yaz_log (YLOG_WARN, "expects / at end of pattern. got %c", *s);
- return -1;
- }
- s++;
- rp = (struct lexRule *) xmalloc (sizeof(*rp));
- rp->info.no = spec->context->ruleNo++;
- rp->next = spec->context->rules;
- spec->context->rules = rp;
- actionListMk (spec, s, &rp->info.actionList);
- }
- return 0;
-}
-
-int readFileSpec (struct lexSpec *spec)
-{
- struct lexContext *lc;
- int c, i, errors = 0;
- FILE *spec_inf = 0;
- WRBUF lineBuf;
- char fname[256];
-
-#if HAVE_TCL_H
- if (spec->tcl_interp)
- {
- sprintf (fname, "%s.tflt", spec->name);
- spec_inf = data1_path_fopen (spec->dh, fname, "r");
- }
-#endif
- if (!spec_inf)
- {
- sprintf (fname, "%s.flt", spec->name);
- spec_inf = data1_path_fopen (spec->dh, fname, "r");
- }
- if (!spec_inf)
- {
- yaz_log (YLOG_ERRNO|YLOG_WARN, "cannot read spec file %s", spec->name);
- return -1;
- }
- yaz_log (YLOG_LOG, "reading regx filter %s", fname);
-#if HAVE_TCL_H
- if (spec->tcl_interp)
- yaz_log (YLOG_LOG, "Tcl enabled");
-#endif
-
-#if 0
- debug_dfa_trav = 0;
- debug_dfa_tran = 1;
- debug_dfa_followpos = 0;
- dfa_verbose = 1;
-#endif
-
- lineBuf = wrbuf_alloc();
- spec->lineNo = 0;
- c = getc (spec_inf);
- while (c != EOF)
- {
- wrbuf_rewind (lineBuf);
- if (c == '#' || c == '\n' || c == ' ' || c == '\t' || c == '\r')
- {
- while (c != '\n' && c != EOF)
- c = getc (spec_inf);
- spec->lineNo++;
- if (c == '\n')
- c = getc (spec_inf);
- }
- else
- {
- int addLine = 0;
-
- while (1)
- {
- int c1 = c;
- wrbuf_putc(lineBuf, c);
- c = getc (spec_inf);
- while (c == '\r')
- c = getc (spec_inf);
- if (c == EOF)
- break;
- if (c1 == '\n')
- {
- if (c != ' ' && c != '\t')
- break;
- addLine++;
- }
- }
- wrbuf_putc(lineBuf, '\0');
- readOneSpec (spec, wrbuf_buf(lineBuf));
- spec->lineNo += addLine;
- }
- }
- fclose (spec_inf);
- wrbuf_free(lineBuf, 1);
-
- for (lc = spec->context; lc; lc = lc->next)
- {
- struct lexRule *rp;
- lc->fastRule = (struct lexRuleInfo **)
- xmalloc (sizeof(*lc->fastRule) * lc->ruleNo);
- for (i = 0; i < lc->ruleNo; i++)
- lc->fastRule[i] = NULL;
- for (rp = lc->rules; rp; rp = rp->next)
- lc->fastRule[rp->info.no] = &rp->info;
- dfa_mkstate (lc->dfa);
- }
- if (errors)
- return -1;
-
- return 0;
-}
-
-#if 0
-static struct lexSpec *curLexSpec = NULL;
-#endif
-
-static void execData (struct lexSpec *spec,
- const char *ebuf, int elen, int formatted_text,
- const char *attribute_str, int attribute_len)
-{
- struct data1_node *res, *parent;
- int org_len;
-
- if (elen == 0) /* shouldn't happen, but it does! */
- return ;
-#if REGX_DEBUG
- if (elen > 80)
- yaz_log (YLOG_LOG, "data(%d bytes) %.40s ... %.*s", elen,
- ebuf, 40, ebuf + elen-40);
- else if (elen == 1 && ebuf[0] == '\n')
- {
- yaz_log (YLOG_LOG, "data(new line)");
- }
- else if (elen > 0)
- yaz_log (YLOG_LOG, "data(%d bytes) %.*s", elen, elen, ebuf);
- else
- yaz_log (YLOG_LOG, "data(%d bytes)", elen);
-#endif
-
- if (spec->d1_level <= 1)
- return;
-
- parent = spec->d1_stack[spec->d1_level -1];
- assert (parent);
-
- if (attribute_str)
- {
- data1_xattr **ap;
- res = parent;
- if (res->which != DATA1N_tag)
- return;
- /* sweep through exising attributes.. */
- for (ap = &res->u.tag.attributes; *ap; ap = &(*ap)->next)
- if (strlen((*ap)->name) == attribute_len &&
- !memcmp((*ap)->name, attribute_str, attribute_len))
- break;
- if (!*ap)
- {
- /* new attribute. Create it with name + value */
- *ap = nmem_malloc(spec->m, sizeof(**ap));
-
- (*ap)->name = nmem_malloc(spec->m, attribute_len+1);
- memcpy((*ap)->name, attribute_str, attribute_len);
- (*ap)->name[attribute_len] = '\0';
-
- (*ap)->value = nmem_malloc(spec->m, elen+1);
- memcpy((*ap)->value, ebuf, elen);
- (*ap)->value[elen] = '\0';
- (*ap)->next = 0;
- }
- else
- {
- /* append to value if attribute already exists */
- char *nv = nmem_malloc(spec->m, elen + 1 + strlen((*ap)->value));
- strcpy(nv, (*ap)->value);
- memcpy (nv + strlen(nv), ebuf, elen);
- nv[strlen(nv)+elen] = '\0';
- (*ap)->value = nv;
- }
- }
- else
- {
- if ((res = spec->d1_stack[spec->d1_level]) &&
- res->which == DATA1N_data)
- org_len = res->u.data.len;
- else
- {
- org_len = 0;
-
- res = data1_mk_node2 (spec->dh, spec->m, DATA1N_data, parent);
- res->u.data.what = DATA1I_text;
- res->u.data.len = 0;
- res->u.data.formatted_text = formatted_text;
- res->u.data.data = 0;
-
- if (spec->d1_stack[spec->d1_level])
- spec->d1_stack[spec->d1_level]->next = res;
- spec->d1_stack[spec->d1_level] = res;
- }
- if (org_len + elen >= spec->concatBuf[spec->d1_level].max)
- {
- char *old_buf, *new_buf;
-
- spec->concatBuf[spec->d1_level].max = org_len + elen + 256;
- new_buf = (char *) xmalloc (spec->concatBuf[spec->d1_level].max);
- if ((old_buf = spec->concatBuf[spec->d1_level].buf))
- {
- memcpy (new_buf, old_buf, org_len);
- xfree (old_buf);
- }
- spec->concatBuf[spec->d1_level].buf = new_buf;
- }
- memcpy (spec->concatBuf[spec->d1_level].buf + org_len, ebuf, elen);
- res->u.data.len += elen;
- }
-}
-
-static void execDataP (struct lexSpec *spec,
- const char *ebuf, int elen, int formatted_text)
-{
- execData (spec, ebuf, elen, formatted_text, 0, 0);
-}
-
-static void tagDataRelease (struct lexSpec *spec)
-{
- data1_node *res;
-
- if ((res = spec->d1_stack[spec->d1_level]) &&
- res->which == DATA1N_data &&
- res->u.data.what == DATA1I_text)
- {
- assert (!res->u.data.data);
- assert (res->u.data.len > 0);
- if (res->u.data.len > DATA1_LOCALDATA)
- res->u.data.data = (char *) nmem_malloc (spec->m, res->u.data.len);
- else
- res->u.data.data = res->lbuf;
- memcpy (res->u.data.data, spec->concatBuf[spec->d1_level].buf,
- res->u.data.len);
- }
-}
-
-static void variantBegin (struct lexSpec *spec,
- const char *class_str, int class_len,
- const char *type_str, int type_len,
- const char *value_str, int value_len)
-{
- struct data1_node *parent = spec->d1_stack[spec->d1_level -1];
- char tclass[DATA1_MAX_SYMBOL], ttype[DATA1_MAX_SYMBOL];
- data1_vartype *tp;
- int i;
- data1_node *res;
-
- if (spec->d1_level == 0)
- {
- yaz_log (YLOG_WARN, "in variant begin. No record type defined");
- return ;
- }
- if (class_len >= DATA1_MAX_SYMBOL)
- class_len = DATA1_MAX_SYMBOL-1;
- memcpy (tclass, class_str, class_len);
- tclass[class_len] = '\0';
-
- if (type_len >= DATA1_MAX_SYMBOL)
- type_len = DATA1_MAX_SYMBOL-1;
- memcpy (ttype, type_str, type_len);
- ttype[type_len] = '\0';
-
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "variant begin(%s,%s,%d)", tclass, ttype,
- spec->d1_level);
-#endif
-
- if (!(tp =
- data1_getvartypeby_absyn(spec->dh, parent->root->u.root.absyn,
- tclass, ttype)))
- return;
-
- if (parent->which != DATA1N_variant)
- {
- res = data1_mk_node2 (spec->dh, spec->m, DATA1N_variant, parent);
- if (spec->d1_stack[spec->d1_level])
- tagDataRelease (spec);
- spec->d1_stack[spec->d1_level] = res;
- spec->d1_stack[++(spec->d1_level)] = NULL;
- }
- for (i = spec->d1_level-1; spec->d1_stack[i]->which == DATA1N_variant; i--)
- if (spec->d1_stack[i]->u.variant.type == tp)
- {
- spec->d1_level = i;
- break;
- }
-
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "variant node(%d)", spec->d1_level);
-#endif
- parent = spec->d1_stack[spec->d1_level-1];
- res = data1_mk_node2 (spec->dh, spec->m, DATA1N_variant, parent);
- res->u.variant.type = tp;
-
- if (value_len >= DATA1_LOCALDATA)
- value_len =DATA1_LOCALDATA-1;
- memcpy (res->lbuf, value_str, value_len);
- res->lbuf[value_len] = '\0';
-
- res->u.variant.value = res->lbuf;
-
- if (spec->d1_stack[spec->d1_level])
- tagDataRelease (spec);
- spec->d1_stack[spec->d1_level] = res;
- spec->d1_stack[++(spec->d1_level)] = NULL;
-}
-
-static void tagStrip (const char **tag, int *len)
-{
- int i;
-
- for (i = *len; i > 0 && isspace((*tag)[i-1]); --i)
- ;
- *len = i;
- for (i = 0; i < *len && isspace((*tag)[i]); i++)
- ;
- *tag += i;
- *len -= i;
-}
-
-static void tagBegin (struct lexSpec *spec,
- const char *tag, int len)
-{
- if (spec->d1_level == 0)
- {
- yaz_log (YLOG_WARN, "in element begin. No record type defined");
- return ;
- }
- tagStrip (&tag, &len);
- if (spec->d1_stack[spec->d1_level])
- tagDataRelease (spec);
-
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "begin tag(%.*s, %d)", len, tag, spec->d1_level);
-#endif
-
- spec->d1_stack[spec->d1_level] = data1_mk_tag_n (
- spec->dh, spec->m, tag, len, 0, spec->d1_stack[spec->d1_level -1]);
- spec->d1_stack[++(spec->d1_level)] = NULL;
-}
-
-static void tagEnd (struct lexSpec *spec, int min_level,
- const char *tag, int len)
-{
- tagStrip (&tag, &len);
- while (spec->d1_level > min_level)
- {
- tagDataRelease (spec);
- (spec->d1_level)--;
- if (spec->d1_level == 0)
- break;
- if ((spec->d1_stack[spec->d1_level]->which == DATA1N_tag) &&
- (!tag ||
- (strlen(spec->d1_stack[spec->d1_level]->u.tag.tag) ==
- (size_t) len &&
- !memcmp (spec->d1_stack[spec->d1_level]->u.tag.tag, tag, len))))
- break;
- }
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "end tag(%d)", spec->d1_level);
-#endif
-}
-
-
-static int tryMatch (struct lexSpec *spec, int *pptr, int *mptr,
- struct DFA *dfa, int greedy)
-{
- struct DFA_state *state = dfa->states[0];
- struct DFA_tran *t;
- unsigned char c = 0;
- unsigned char c_prev = 0;
- int ptr = *pptr; /* current pointer */
- int start_ptr = *pptr; /* first char of match */
- int last_ptr = 0; /* last char of match */
- int last_rule = 0; /* rule number of current match */
- int restore_ptr = 0;
- int i;
-
- if (ptr)
- {
- --ptr;
- c = f_win_advance (spec, &ptr);
- }
- while (1)
- {
- if (dfa->states[0] == state)
- {
- c_prev = c;
- restore_ptr = ptr;
- }
- c = f_win_advance (spec, &ptr);
-
- if (ptr == F_WIN_EOF)
- {
- if (last_rule)
- {
- *mptr = start_ptr;
- *pptr = last_ptr;
- return 1;
- }
- break;
- }
-
- t = state->trans;
- i = state->tran_no;
- while (1)
- if (--i < 0) /* no transition for character c */
- {
- if (last_rule)
- {
- *mptr = start_ptr; /* match starts here */
- *pptr = last_ptr; /* match end here (+1) */
- return 1;
- }
- state = dfa->states[0];
-
- ptr = restore_ptr;
- c = f_win_advance (spec, &ptr);
-
- start_ptr = ptr;
-
- break;
- }
- else if (c >= t->ch[0] && c <= t->ch[1])
- {
- state = dfa->states[t->to];
- if (state->rule_no && c_prev == '\n')
- {
- last_rule = state->rule_no;
- last_ptr = ptr;
- }
- else if (state->rule_nno)
- {
- last_rule = state->rule_nno;
- last_ptr = ptr;
- }
- break;
- }
- else
- t++;
- }
- return 0;
-}
-
-static int execTok (struct lexSpec *spec, const char **src,
- const char **tokBuf, int *tokLen)
-{
- const char *s = *src;
-
- while (*s == ' ' || *s == '\t')
- s++;
- if (!*s)
- return 0;
- if (*s == '$' && s[1] >= '0' && s[1] <= '9')
- {
- int n = 0;
- s++;
- while (*s >= '0' && *s <= '9')
- n = n*10 + (*s++ -'0');
- if (spec->arg_no == 0)
- {
- *tokBuf = "";
- *tokLen = 0;
- }
- else
- {
- if (n >= spec->arg_no)
- n = spec->arg_no-1;
- *tokBuf = f_win_get (spec, spec->arg_start[n], spec->arg_end[n],
- tokLen);
- }
- }
- else if (*s == '\"')
- {
- *tokBuf = ++s;
- while (*s && *s != '\"')
- s++;
- *tokLen = s - *tokBuf;
- if (*s)
- s++;
- *src = s;
- }
- else if (*s == '\n' || *s == ';')
- {
- *src = s+1;
- return 1;
- }
- else if (*s == '-')
- {
- *tokBuf = s++;
- while (*s && *s != ' ' && *s != '\t' && *s != '\n' && *s != '\r' &&
- *s != ';')
- s++;
- *tokLen = s - *tokBuf;
- *src = s;
- return 3;
- }
- else
- {
- *tokBuf = s++;
- while (*s && *s != ' ' && *s != '\t' && *s != '\n' && *s != '\r' &&
- *s != ';')
- s++;
- *tokLen = s - *tokBuf;
- }
- *src = s;
- return 2;
-}
-
-static char *regxStrz (const char *src, int len, char *str)
-{
- if (len > 63)
- len = 63;
- memcpy (str, src, len);
- str[len] = '\0';
- return str;
-}
-
-#if HAVE_TCL_H
-static int cmd_tcl_begin (ClientData clientData, Tcl_Interp *interp,
- int argc, const char **argv)
-{
- struct lexSpec *spec = (struct lexSpec *) clientData;
- if (argc < 2)
- return TCL_ERROR;
- if (!strcmp(argv[1], "record") && argc == 3)
- {
- const char *absynName = argv[2];
- data1_node *res;
-
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "begin record %s", absynName);
-#endif
- res = data1_mk_root (spec->dh, spec->m, absynName);
-
- spec->d1_level = 0;
-
- spec->d1_stack[spec->d1_level++] = res;
-
- res = data1_mk_tag (spec->dh, spec->m, absynName, 0, res);
-
- spec->d1_stack[spec->d1_level++] = res;
-
- spec->d1_stack[spec->d1_level] = NULL;
- }
- else if (!strcmp(argv[1], "element") && argc == 3)
- {
- tagBegin (spec, argv[2], strlen(argv[2]));
- }
- else if (!strcmp (argv[1], "variant") && argc == 5)
- {
- variantBegin (spec, argv[2], strlen(argv[2]),
- argv[3], strlen(argv[3]),
- argv[4], strlen(argv[4]));
- }
- else if (!strcmp (argv[1], "context") && argc == 3)
- {
- struct lexContext *lc = spec->context;
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "begin context %s",argv[2]);
-#endif
- while (lc && strcmp (argv[2], lc->name))
- lc = lc->next;
- if (lc)
- {
- spec->context_stack[++(spec->context_stack_top)] = lc;
- }
- else
- yaz_log (YLOG_WARN, "unknown context %s", argv[2]);
- }
- else
- return TCL_ERROR;
- return TCL_OK;
-}
-
-static int cmd_tcl_end (ClientData clientData, Tcl_Interp *interp,
- int argc, const char **argv)
-{
- struct lexSpec *spec = (struct lexSpec *) clientData;
- if (argc < 2)
- return TCL_ERROR;
-
- if (!strcmp (argv[1], "record"))
- {
- while (spec->d1_level)
- {
- tagDataRelease (spec);
- (spec->d1_level)--;
- }
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "end record");
-#endif
- spec->stop_flag = 1;
- }
- else if (!strcmp (argv[1], "element"))
- {
- int min_level = 2;
- const char *element = 0;
- if (argc >= 3 && !strcmp(argv[2], "-record"))
- {
- min_level = 0;
- if (argc == 4)
- element = argv[3];
- }
- else
- if (argc == 3)
- element = argv[2];
- tagEnd (spec, min_level, element, (element ? strlen(element) : 0));
- if (spec->d1_level <= 1)
- {
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "end element end records");
-#endif
- spec->stop_flag = 1;
- }
- }
- else if (!strcmp (argv[1], "context"))
- {
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "end context");
-#endif
- if (spec->context_stack_top)
- (spec->context_stack_top)--;
- }
- else
- return TCL_ERROR;
- return TCL_OK;
-}
-
-static int cmd_tcl_data (ClientData clientData, Tcl_Interp *interp,
- int argc, const char **argv)
-{
- int argi = 1;
- int textFlag = 0;
- const char *element = 0;
- const char *attribute = 0;
- struct lexSpec *spec = (struct lexSpec *) clientData;
-
- while (argi < argc)
- {
- if (!strcmp("-text", argv[argi]))
- {
- textFlag = 1;
- argi++;
- }
- else if (!strcmp("-element", argv[argi]))
- {
- argi++;
- if (argi < argc)
- element = argv[argi++];
- }
- else if (!strcmp("-attribute", argv[argi]))
- {
- argi++;
- if (argi < argc)
- attribute = argv[argi++];
- }
- else
- break;
- }
- if (element)
- tagBegin (spec, element, strlen(element));
-
- while (argi < argc)
- {
-#if TCL_MAJOR_VERSION > 8 || (TCL_MAJOR_VERSION == 8 && TCL_MINOR_VERSION > 0)
- Tcl_DString ds;
- char *native = Tcl_UtfToExternalDString(0, argv[argi], -1, &ds);
- execData (spec, native, strlen(native), textFlag, attribute,
- attribute ? strlen(attribute) : 0);
- Tcl_DStringFree (&ds);
-#else
- execData (spec, argv[argi], strlen(argv[argi]), textFlag, attribute,
- attribute ? strlen(attribute) : 0);
-#endif
- argi++;
- }
- if (element)
- tagEnd (spec, 2, NULL, 0);
- return TCL_OK;
-}
-
-static int cmd_tcl_unread (ClientData clientData, Tcl_Interp *interp,
- int argc, const char **argv)
-{
- struct lexSpec *spec = (struct lexSpec *) clientData;
- int argi = 1;
- int offset = 0;
- int no;
-
- while (argi < argc)
- {
- if (!strcmp("-offset", argv[argi]))
- {
- argi++;
- if (argi < argc)
- {
- offset = atoi(argv[argi]);
- argi++;
- }
- }
- else
- break;
- }
- if (argi != argc-1)
- return TCL_ERROR;
- no = atoi(argv[argi]);
- if (no >= spec->arg_no)
- no = spec->arg_no - 1;
- spec->ptr = spec->arg_start[no] + offset;
- return TCL_OK;
-}
-
-static void execTcl (struct lexSpec *spec, struct regxCode *code)
-{
- int i;
- int ret;
- for (i = 0; i < spec->arg_no; i++)
- {
- char var_name[10], *var_buf;
- int var_len, ch;
-
- sprintf (var_name, "%d", i);
- var_buf = f_win_get (spec, spec->arg_start[i], spec->arg_end[i],
- &var_len);
- if (var_buf)
- {
- ch = var_buf[var_len];
- var_buf[var_len] = '\0';
- Tcl_SetVar (spec->tcl_interp, var_name, var_buf, 0);
- var_buf[var_len] = ch;
- }
- }
-#if HAVE_TCL_OBJECTS
- ret = Tcl_GlobalEvalObj(spec->tcl_interp, code->tcl_obj);
-#else
- ret = Tcl_GlobalEval (spec->tcl_interp, code->str);
-#endif
- if (ret != TCL_OK)
- {
- const char *err = Tcl_GetVar(spec->tcl_interp, "errorInfo", 0);
- yaz_log(YLOG_FATAL, "Tcl error, line=%d, \"%s\"\n%s",
- spec->tcl_interp->errorLine,
- spec->tcl_interp->result,
- err ? err : "[NO ERRORINFO]");
- }
-}
-/* HAVE_TCL_H */
-#endif
-
-static void execCode (struct lexSpec *spec, struct regxCode *code)
-{
- const char *s = code->str;
- int cmd_len, r;
- const char *cmd_str;
-
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- while (r)
- {
- char *p, ptmp[64];
-
- if (r == 1)
- {
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- continue;
- }
- p = regxStrz (cmd_str, cmd_len, ptmp);
- if (!strcmp (p, "begin"))
- {
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- if (r < 2)
- {
- yaz_log (YLOG_WARN, "missing keyword after 'begin'");
- continue;
- }
- p = regxStrz (cmd_str, cmd_len, ptmp);
- if (!strcmp (p, "record"))
- {
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- if (r < 2)
- continue;
- if (spec->d1_level <= 1)
- {
- static char absynName[64];
- data1_node *res;
-
- if (cmd_len > 63)
- cmd_len = 63;
- memcpy (absynName, cmd_str, cmd_len);
- absynName[cmd_len] = '\0';
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "begin record %s", absynName);
-#endif
- res = data1_mk_root (spec->dh, spec->m, absynName);
-
- spec->d1_level = 0;
-
- spec->d1_stack[spec->d1_level++] = res;
-
- res = data1_mk_tag (spec->dh, spec->m, absynName, 0, res);
-
- spec->d1_stack[spec->d1_level++] = res;
-
- spec->d1_stack[spec->d1_level] = NULL;
- }
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- }
- else if (!strcmp (p, "element"))
- {
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- if (r < 2)
- continue;
- tagBegin (spec, cmd_str, cmd_len);
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- }
- else if (!strcmp (p, "variant"))
- {
- int class_len;
- const char *class_str = NULL;
- int type_len;
- const char *type_str = NULL;
- int value_len;
- const char *value_str = NULL;
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- if (r < 2)
- continue;
- class_str = cmd_str;
- class_len = cmd_len;
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- if (r < 2)
- continue;
- type_str = cmd_str;
- type_len = cmd_len;
-
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- if (r < 2)
- continue;
- value_str = cmd_str;
- value_len = cmd_len;
-
- variantBegin (spec, class_str, class_len,
- type_str, type_len, value_str, value_len);
-
-
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- }
- else if (!strcmp (p, "context"))
- {
- if (r > 1)
- {
- struct lexContext *lc = spec->context;
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- p = regxStrz (cmd_str, cmd_len, ptmp);
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "begin context %s", p);
-#endif
- while (lc && strcmp (p, lc->name))
- lc = lc->next;
- if (lc)
- spec->context_stack[++(spec->context_stack_top)] = lc;
- else
- yaz_log (YLOG_WARN, "unknown context %s", p);
-
- }
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- }
- else
- {
- yaz_log (YLOG_WARN, "bad keyword '%s' after begin", p);
- }
- }
- else if (!strcmp (p, "end"))
- {
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- if (r < 2)
- {
- yaz_log (YLOG_WARN, "missing keyword after 'end'");
- continue;
- }
- p = regxStrz (cmd_str, cmd_len, ptmp);
- if (!strcmp (p, "record"))
- {
- while (spec->d1_level)
- {
- tagDataRelease (spec);
- (spec->d1_level)--;
- }
- r = execTok (spec, &s, &cmd_str, &cmd_len);
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "end record");
-#endif
- spec->stop_flag = 1;
- }
- else if (!strcmp (p, "element"))
- {
- int min_level = 2;
- while ((r = execTok (spec, &s, &cmd_str, &cmd_len)) == 3)
- {
- if (cmd_len==7 && !memcmp ("-record", cmd_str, cmd_len))
- min_level = 0;
- }
- if (r > 2)
- {
- tagEnd (spec, min_level, cmd_str, cmd_len);
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- }
- else
- tagEnd (spec, min_level, NULL, 0);
- if (spec->d1_level <= 1)
- {
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "end element end records");
-#endif
- spec->stop_flag = 1;
- }
-
- }
- else if (!strcmp (p, "context"))
- {
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "end context");
-#endif
- if (spec->context_stack_top)
- (spec->context_stack_top)--;
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- }
- else
- yaz_log (YLOG_WARN, "bad keyword '%s' after end", p);
- }
- else if (!strcmp (p, "data"))
- {
- int textFlag = 0;
- int element_len;
- const char *element_str = NULL;
- int attribute_len;
- const char *attribute_str = NULL;
-
- while ((r = execTok (spec, &s, &cmd_str, &cmd_len)) == 3)
- {
- if (cmd_len==5 && !memcmp ("-text", cmd_str, cmd_len))
- textFlag = 1;
- else if (cmd_len==8 && !memcmp ("-element", cmd_str, cmd_len))
- {
- r = execTok (spec, &s, &element_str, &element_len);
- if (r < 2)
- break;
- }
- else if (cmd_len==10 && !memcmp ("-attribute", cmd_str,
- cmd_len))
- {
- r = execTok (spec, &s, &attribute_str, &attribute_len);
- if (r < 2)
- break;
- }
- else
- yaz_log (YLOG_WARN, "bad data option: %.*s",
- cmd_len, cmd_str);
- }
- if (r != 2)
- {
- yaz_log (YLOG_WARN, "missing data item after data");
- continue;
- }
- if (element_str)
- tagBegin (spec, element_str, element_len);
- do
- {
- execData (spec, cmd_str, cmd_len, textFlag,
- attribute_str, attribute_len);
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- } while (r > 1);
- if (element_str)
- tagEnd (spec, 2, NULL, 0);
- }
- else if (!strcmp (p, "unread"))
- {
- int no, offset;
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- if (r==3 && cmd_len == 7 && !memcmp ("-offset", cmd_str, cmd_len))
- {
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- if (r < 2)
- {
- yaz_log (YLOG_WARN, "missing number after -offset");
- continue;
- }
- p = regxStrz (cmd_str, cmd_len, ptmp);
- offset = atoi (p);
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- }
- else
- offset = 0;
- if (r < 2)
- {
- yaz_log (YLOG_WARN, "missing index after unread command");
- continue;
- }
- if (cmd_len != 1 || *cmd_str < '0' || *cmd_str > '9')
- {
- yaz_log (YLOG_WARN, "bad index after unread command");
- continue;
- }
- else
- {
- no = *cmd_str - '0';
- if (no >= spec->arg_no)
- no = spec->arg_no - 1;
- spec->ptr = spec->arg_start[no] + offset;
- }
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- }
- else if (!strcmp (p, "context"))
- {
- if (r > 1)
- {
- struct lexContext *lc = spec->context;
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- p = regxStrz (cmd_str, cmd_len, ptmp);
-
- while (lc && strcmp (p, lc->name))
- lc = lc->next;
- if (lc)
- spec->context_stack[spec->context_stack_top] = lc;
- else
- yaz_log (YLOG_WARN, "unknown context %s", p);
-
- }
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- }
- else
- {
- yaz_log (YLOG_WARN, "unknown code command '%.*s'", cmd_len, cmd_str);
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- continue;
- }
- if (r > 1)
- {
- yaz_log (YLOG_WARN, "ignoring token %.*s", cmd_len, cmd_str);
- do {
- r = execTok (spec, &s, &cmd_str, &cmd_len);
- } while (r > 1);
- }
- }
-}
-
-
-static int execAction (struct lexSpec *spec, struct lexRuleAction *ap,
- int start_ptr, int *pptr)
-{
- int sptr;
- int arg_start[20];
- int arg_end[20];
- int arg_no = 1;
-
- if (!ap)
- return 1;
- arg_start[0] = start_ptr;
- arg_end[0] = *pptr;
- spec->arg_start = arg_start;
- spec->arg_end = arg_end;
-
- while (ap)
- {
- switch (ap->which)
- {
- case REGX_PATTERN:
- if (ap->u.pattern.body)
- {
- arg_start[arg_no] = *pptr;
- if (!tryMatch (spec, pptr, &sptr, ap->u.pattern.dfa, 0))
- {
- arg_end[arg_no] = F_WIN_EOF;
- arg_no++;
- arg_start[arg_no] = F_WIN_EOF;
- arg_end[arg_no] = F_WIN_EOF;
- yaz_log(YLOG_DEBUG, "Pattern match rest of record");
- *pptr = F_WIN_EOF;
- }
- else
- {
- arg_end[arg_no] = sptr;
- arg_no++;
- arg_start[arg_no] = sptr;
- arg_end[arg_no] = *pptr;
- }
- }
- else
- {
- arg_start[arg_no] = *pptr;
- if (!tryMatch (spec, pptr, &sptr, ap->u.pattern.dfa, 1))
- return 1;
- if (sptr != arg_start[arg_no])
- return 1;
- arg_end[arg_no] = *pptr;
- }
- arg_no++;
- break;
- case REGX_CODE:
- spec->arg_no = arg_no;
- spec->ptr = *pptr;
-#if HAVE_TCL_H
- if (spec->tcl_interp)
- execTcl(spec, ap->u.code);
- else
- execCode (spec, ap->u.code);
-#else
- execCode (spec, ap->u.code);
-#endif
- *pptr = spec->ptr;
- if (spec->stop_flag)
- return 0;
- break;
- case REGX_END:
- arg_start[arg_no] = *pptr;
- arg_end[arg_no] = F_WIN_EOF;
- arg_no++;
- *pptr = F_WIN_EOF;
- }
- ap = ap->next;
- }
- return 1;
-}
-
-static int execRule (struct lexSpec *spec, struct lexContext *context,
- int ruleNo, int start_ptr, int *pptr)
-{
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "exec rule %d", ruleNo);
-#endif
- return execAction (spec, context->fastRule[ruleNo]->actionList,
- start_ptr, pptr);
-}
-
-data1_node *lexNode (struct lexSpec *spec, int *ptr)
-{
- struct lexContext *context = spec->context_stack[spec->context_stack_top];
- struct DFA_state *state = context->dfa->states[0];
- struct DFA_tran *t;
- unsigned char c;
- unsigned char c_prev = '\n';
- int i;
- int last_rule = 0; /* rule number of current match */
- int last_ptr = *ptr; /* last char of match */
- int start_ptr = *ptr; /* first char of match */
- int skip_ptr = *ptr; /* first char of run */
-
- while (1)
- {
- c = f_win_advance (spec, ptr);
- if (*ptr == F_WIN_EOF)
- {
- /* end of file met */
- if (last_rule)
- {
- /* there was a match */
- if (skip_ptr < start_ptr)
- {
- /* deal with chars that didn't match */
- int size;
- char *buf;
- buf = f_win_get (spec, skip_ptr, start_ptr, &size);
- execDataP (spec, buf, size, 0);
- }
- /* restore pointer */
- *ptr = last_ptr;
- /* execute rule */
- if (!execRule (spec, context, last_rule, start_ptr, ptr))
- break;
- /* restore skip pointer */
- skip_ptr = *ptr;
- last_rule = 0;
- }
- else if (skip_ptr < *ptr)
- {
- /* deal with chars that didn't match */
- int size;
- char *buf;
- buf = f_win_get (spec, skip_ptr, *ptr, &size);
- execDataP (spec, buf, size, 0);
- }
- if (*ptr == F_WIN_EOF)
- break;
- }
- t = state->trans;
- i = state->tran_no;
- while (1)
- if (--i < 0)
- { /* no transition for character c ... */
- if (last_rule)
- {
- if (skip_ptr < start_ptr)
- {
- /* deal with chars that didn't match */
- int size;
- char *buf;
- buf = f_win_get (spec, skip_ptr, start_ptr, &size);
- execDataP (spec, buf, size, 0);
- }
- /* restore pointer */
- *ptr = last_ptr;
- if (!execRule (spec, context, last_rule, start_ptr, ptr))
- {
- if (spec->f_win_ef && *ptr != F_WIN_EOF)
- {
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "regx: endf ptr=%d", *ptr);
-#endif
- (*spec->f_win_ef)(spec->f_win_fh, *ptr);
- }
- return NULL;
- }
- context = spec->context_stack[spec->context_stack_top];
- skip_ptr = *ptr;
- last_rule = 0;
- last_ptr = start_ptr = *ptr;
- if (start_ptr > 0)
- {
- --start_ptr;
- c_prev = f_win_advance (spec, &start_ptr);
- }
- }
- else
- {
- c_prev = f_win_advance (spec, &start_ptr);
- *ptr = start_ptr;
- }
- state = context->dfa->states[0];
- break;
- }
- else if (c >= t->ch[0] && c <= t->ch[1])
- { /* transition ... */
- state = context->dfa->states[t->to];
- if (state->rule_no)
- {
- if (c_prev == '\n')
- {
- last_rule = state->rule_no;
- last_ptr = *ptr;
- }
- else if (state->rule_nno)
- {
- last_rule = state->rule_nno;
- last_ptr = *ptr;
- }
- }
- break;
- }
- else
- t++;
- }
- return NULL;
-}
-
-static data1_node *lexRoot (struct lexSpec *spec, off_t offset,
- const char *context_name)
-{
- struct lexContext *lt = spec->context;
- int ptr = offset;
-
- spec->stop_flag = 0;
- spec->d1_level = 0;
- spec->context_stack_top = 0;
- while (lt)
- {
- if (!strcmp (lt->name, context_name))
- break;
- lt = lt->next;
- }
- if (!lt)
- {
- yaz_log (YLOG_WARN, "cannot find context %s", context_name);
- return NULL;
- }
- spec->context_stack[spec->context_stack_top] = lt;
- spec->d1_stack[spec->d1_level] = NULL;
-#if 1
- if (!lt->initFlag)
- {
- lt->initFlag = 1;
- execAction (spec, lt->initActionList, ptr, &ptr);
- }
-#endif
- execAction (spec, lt->beginActionList, ptr, &ptr);
- lexNode (spec, &ptr);
- while (spec->d1_level)
- {
- tagDataRelease (spec);
- (spec->d1_level)--;
- }
- execAction (spec, lt->endActionList, ptr, &ptr);
- return spec->d1_stack[0];
-}
-
-void grs_destroy(void *clientData)
-{
- struct lexSpecs *specs = (struct lexSpecs *) clientData;
- if (specs->spec)
- {
- lexSpecDestroy(&specs->spec);
- }
- xfree (specs);
-}
-
-void *grs_init(Res res, RecType recType)
-{
- struct lexSpecs *specs = (struct lexSpecs *) xmalloc (sizeof(*specs));
- specs->spec = 0;
- strcpy(specs->type, "");
- return specs;
-}
-
-
-ZEBRA_RES grs_config(void *clientData, Res res, const char *args)
-{
- struct lexSpecs *specs = (struct lexSpecs *) clientData;
- if (strlen(args) < sizeof(specs->type))
- strcpy(specs->type, args);
- return ZEBRA_OK;
-}
-
-data1_node *grs_read_regx (struct grs_read_info *p)
-{
- int res;
- struct lexSpecs *specs = (struct lexSpecs *) p->clientData;
- struct lexSpec **curLexSpec = &specs->spec;
-
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "grs_read_regx");
-#endif
- if (!*curLexSpec || strcmp ((*curLexSpec)->name, specs->type))
- {
- if (*curLexSpec)
- lexSpecDestroy (curLexSpec);
- *curLexSpec = lexSpecCreate (specs->type, p->dh);
- res = readFileSpec (*curLexSpec);
- if (res)
- {
- lexSpecDestroy (curLexSpec);
- return NULL;
- }
- }
- (*curLexSpec)->dh = p->dh;
- if (!p->offset)
- {
- (*curLexSpec)->f_win_start = 0;
- (*curLexSpec)->f_win_end = 0;
- (*curLexSpec)->f_win_rf = p->readf;
- (*curLexSpec)->f_win_sf = p->seekf;
- (*curLexSpec)->f_win_fh = p->fh;
- (*curLexSpec)->f_win_ef = p->endf;
- (*curLexSpec)->f_win_size = 500000;
- }
- (*curLexSpec)->m = p->mem;
- return lexRoot (*curLexSpec, p->offset, "main");
-}
-
-static int extract_regx(void *clientData, struct recExtractCtrl *ctrl)
-{
- return zebra_grs_extract(clientData, ctrl, grs_read_regx);
-}
-
-static int retrieve_regx(void *clientData, struct recRetrieveCtrl *ctrl)
-{
- return zebra_grs_retrieve(clientData, ctrl, grs_read_regx);
-}
-
-static struct recType regx_type = {
- 0,
- "grs.regx",
- grs_init,
- grs_config,
- grs_destroy,
- extract_regx,
- retrieve_regx,
-};
-
-
-#if HAVE_TCL_H
-data1_node *grs_read_tcl (struct grs_read_info *p)
-{
- int res;
- struct lexSpecs *specs = (struct lexSpecs *) p->clientData;
- struct lexSpec **curLexSpec = &specs->spec;
-
-#if REGX_DEBUG
- yaz_log (YLOG_LOG, "grs_read_tcl");
-#endif
- if (!*curLexSpec || strcmp ((*curLexSpec)->name, specs->type))
- {
- Tcl_Interp *tcl_interp;
- if (*curLexSpec)
- lexSpecDestroy (curLexSpec);
- *curLexSpec = lexSpecCreate (specs->type, p->dh);
- Tcl_FindExecutable("");
- tcl_interp = (*curLexSpec)->tcl_interp = Tcl_CreateInterp();
- Tcl_Init(tcl_interp);
- Tcl_CreateCommand (tcl_interp, "begin", cmd_tcl_begin, *curLexSpec, 0);
- Tcl_CreateCommand (tcl_interp, "end", cmd_tcl_end, *curLexSpec, 0);
- Tcl_CreateCommand (tcl_interp, "data", cmd_tcl_data, *curLexSpec, 0);
- Tcl_CreateCommand (tcl_interp, "unread", cmd_tcl_unread,
- *curLexSpec, 0);
- res = readFileSpec (*curLexSpec);
- if (res)
- {
- lexSpecDestroy (curLexSpec);
- return NULL;
- }
- }
- (*curLexSpec)->dh = p->dh;
- if (!p->offset)
- {
- (*curLexSpec)->f_win_start = 0;
- (*curLexSpec)->f_win_end = 0;
- (*curLexSpec)->f_win_rf = p->readf;
- (*curLexSpec)->f_win_sf = p->seekf;
- (*curLexSpec)->f_win_fh = p->fh;
- (*curLexSpec)->f_win_ef = p->endf;
- (*curLexSpec)->f_win_size = 500000;
- }
- (*curLexSpec)->m = p->mem;
- return lexRoot (*curLexSpec, p->offset, "main");
-}
-
-static int extract_tcl(void *clientData, struct recExtractCtrl *ctrl)
-{
- return zebra_grs_extract(clientData, ctrl, grs_read_tcl);
-}
-
-static int retrieve_tcl(void *clientData, struct recRetrieveCtrl *ctrl)
-{
- return zebra_grs_retrieve(clientData, ctrl, grs_read_tcl);
-}
-
-static struct recType tcl_type = {
- 0,
- "grs.tcl",
- grs_init,
- grs_config,
- grs_destroy,
- extract_tcl,
- retrieve_tcl,
-};
-
-#endif
-
-RecType
-#ifdef IDZEBRA_STATIC_GRS_REGX
-idzebra_filter_grs_regx
-#else
-idzebra_filter
-#endif
-
-[] = {
- ®x_type,
-#if HAVE_TCL_H
- &tcl_type,
-#endif
- 0,
-};
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/* $Id: safari.c,v 1.12 2006-05-10 08:13:31 adam Exp $
- Copyright (C) 1995-2005
- Index Data ApS
-
-This file is part of the Zebra server.
-
-Zebra is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
-*/
-
-
-#include <stdio.h>
-#include <assert.h>
-#include <ctype.h>
-
-#include <idzebra/util.h>
-#include <idzebra/recctrl.h>
-
-struct filter_info {
- char *sep;
-};
-
-static void *filter_init (Res res, RecType recType)
-{
- struct filter_info *tinfo = (struct filter_info *) xmalloc(sizeof(*tinfo));
- tinfo->sep = 0;
- return tinfo;
-}
-
-static ZEBRA_RES filter_config(void *clientData, Res res, const char *args)
-{
- return ZEBRA_OK;
-}
-
-static void filter_destroy(void *clientData)
-{
- struct filter_info *tinfo = clientData;
- xfree (tinfo->sep);
- xfree (tinfo);
-}
-
-struct fi_info {
- struct recExtractCtrl *p;
- char *buf;
- int offset;
- int max;
-};
-
-static struct fi_info *fi_open(struct recExtractCtrl *p)
-{
- struct fi_info *fi = (struct fi_info *) xmalloc (sizeof(*fi));
-
- fi->p = p;
- fi->buf = (char *) xmalloc (4096);
- fi->offset = 1;
- fi->max = 1;
- return fi;
-}
-
-static int fi_getchar(struct fi_info *fi, char *dst)
-{
- if (fi->offset >= fi->max)
- {
- if (fi->max <= 0)
- return 0;
- fi->max = (*fi->p->readf)(fi->p->fh, fi->buf, 4096);
- fi->offset = 0;
- if (fi->max <= 0)
- return 0;
- }
- *dst = fi->buf[(fi->offset)++];
- return 1;
-}
-
-static int fi_gets(struct fi_info *fi, char *dst, int max)
-{
- int l = 0;
- while(1)
- {
- char dstbyte;
- if (!fi_getchar(fi, &dstbyte))
- return 0;
- if (dstbyte == '\n')
- break;
- if (l < max)
- dst[l++] = dstbyte;
- }
- dst[l] = '\0';
- return 1;
-}
-
-static void fi_close (struct fi_info *fi)
-{
- xfree (fi->buf);
- xfree (fi);
-}
-
-static int filter_extract(void *clientData, struct recExtractCtrl *p)
-{
- struct filter_info *tinfo = clientData;
- char line[512];
- RecWord recWord;
- struct fi_info *fi = fi_open(p);
-
-#if 0
- yaz_log(YLOG_LOG, "filter_extract off=%ld",
- (long) (*fi->p->tellf)(fi->p->fh));
-#endif
- xfree(tinfo->sep);
- tinfo->sep = 0;
- (*p->init)(p, &recWord);
-
- if (!fi_gets(fi, line, sizeof(line)-1))
- return RECCTRL_EXTRACT_ERROR_GENERIC;
- sscanf(line, "%255s", p->match_criteria);
-
- recWord.index_type = '0';
- while (fi_gets(fi, line, sizeof(line)-1))
- {
- int nor = 0;
- char field[40];
- char *cp;
-#if 0
- yaz_log(YLOG_LOG, "safari line: %s", line);
-#endif
- if (sscanf(line, ZINT_FORMAT " " ZINT_FORMAT " " ZINT_FORMAT " %39s %n",
- &recWord.record_id, &recWord.section_id, &recWord.seqno,
- field, &nor) < 4)
- {
- yaz_log(YLOG_WARN, "Bad safari record line: %s", line);
- return RECCTRL_EXTRACT_ERROR_GENERIC;
- }
- for (cp = line + nor; *cp == ' '; cp++)
- ;
- recWord.index_name = field;
- recWord.term_buf = cp;
- recWord.term_len = strlen(cp);
- (*p->tokenAdd)(&recWord);
- }
- fi_close(fi);
- return RECCTRL_EXTRACT_OK;
-}
-
-static int filter_retrieve (void *clientData, struct recRetrieveCtrl *p)
-{
- int r, filter_ptr = 0;
- static char *filter_buf = NULL;
- static int filter_size = 0;
- int make_header = 1;
- int make_body = 1;
- const char *elementSetName = NULL;
- int no_lines = 0;
-
- if (p->comp && p->comp->which == Z_RecordComp_simple &&
- p->comp->u.simple->which == Z_ElementSetNames_generic)
- elementSetName = p->comp->u.simple->u.generic;
-
- if (elementSetName)
- {
- /* don't make header for the R(aw) element set name */
- if (!strcmp(elementSetName, "R"))
- {
- make_header = 0;
- make_body = 1;
- }
- /* only make header for the H(eader) element set name */
- else if (!strcmp(elementSetName, "H"))
- {
- make_header = 1;
- make_body = 0;
- }
- }
- while (1)
- {
- if (filter_ptr + 4096 >= filter_size)
- {
- char *nb;
-
- filter_size = 2*filter_size + 8192;
- nb = (char *) xmalloc (filter_size);
- if (filter_buf)
- {
- memcpy (nb, filter_buf, filter_ptr);
- xfree (filter_buf);
- }
- filter_buf = nb;
- }
- if (make_header && filter_ptr == 0)
- {
- if (p->score >= 0)
- {
- sprintf (filter_buf, "Rank: %d\n", p->score);
- filter_ptr = strlen(filter_buf);
- }
- sprintf (filter_buf + filter_ptr, "Local Number: " ZINT_FORMAT "\n",
- p->localno);
- filter_ptr = strlen(filter_buf);
- if (p->fname)
- {
- sprintf (filter_buf + filter_ptr, "Filename: %s\n", p->fname);
- filter_ptr = strlen(filter_buf);
- }
- strcpy(filter_buf+filter_ptr++, "\n");
- }
- if (!make_body)
- break;
- r = (*p->readf)(p->fh, filter_buf + filter_ptr, 4096);
- if (r <= 0)
- break;
- filter_ptr += r;
- }
- filter_buf[filter_ptr] = '\0';
- if (elementSetName)
- {
- if (!strcmp (elementSetName, "B"))
- no_lines = 4;
- if (!strcmp (elementSetName, "M"))
- no_lines = 20;
- }
- if (no_lines)
- {
- char *p = filter_buf;
- int i = 0;
-
- while (++i <= no_lines && (p = strchr (p, '\n')))
- p++;
- if (p)
- {
- p[1] = '\0';
- filter_ptr = p-filter_buf;
- }
- }
- p->output_format = VAL_SUTRS;
- p->rec_buf = filter_buf;
- p->rec_len = filter_ptr;
- return 0;
-}
-
-static struct recType filter_type = {
- 0,
- "safari",
- filter_init,
- filter_config,
- filter_destroy,
- filter_extract,
- filter_retrieve
-};
-
-RecType
-#ifdef IDZEBRA_STATIC_SAFARI
-idzebra_filter_safari
-#else
-idzebra_filter
-#endif
-
-[] = {
- &filter_type,
- 0,
-};
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/* $Id: sgmlread.c,v 1.20 2006-05-10 08:13:31 adam Exp $
- Copyright (C) 1995-2005
- Index Data ApS
-
-This file is part of the Zebra server.
-
-Zebra is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
-*/
-
-
-#include <assert.h>
-#include <yaz/log.h>
-
-#include <idzebra/recgrs.h>
-
-struct sgml_getc_info {
- char *buf;
- int buf_size;
- int size;
- int off;
- off_t moffset;
- void *fh;
- int (*readf)(void *, char *, size_t);
- WRBUF wrbuf;
-};
-
-int sgml_getc (void *clientData)
-{
- struct sgml_getc_info *p = (struct sgml_getc_info *) clientData;
- int res;
-
- if (p->off < p->size)
- return p->buf[(p->off)++];
- if (p->size < p->buf_size)
- return 0;
- p->moffset += p->off;
- p->off = 0;
- p->size = 0;
- res = (*p->readf)(p->fh, p->buf, p->buf_size);
- if (res > 0)
- {
- p->size += res;
- return p->buf[(p->off)++];
- }
- return 0;
-}
-
-static data1_node *grs_read_sgml (struct grs_read_info *p)
-{
- struct sgml_getc_info *sgi = (struct sgml_getc_info *) p->clientData;
- data1_node *node;
- int res;
-
- sgi->moffset = p->offset;
- sgi->fh = p->fh;
- sgi->readf = p->readf;
- sgi->off = 0;
- sgi->size = 0;
- res = (*sgi->readf)(sgi->fh, sgi->buf, sgi->buf_size);
- if (res > 0)
- sgi->size += res;
- else
- return 0;
- node = data1_read_nodex (p->dh, p->mem, sgml_getc, sgi, sgi->wrbuf);
- if (node && p->endf)
- (*p->endf)(sgi->fh, sgi->moffset + sgi->off);
- return node;
-}
-
-static void *grs_init_sgml(Res res, RecType recType)
-{
- struct sgml_getc_info *p = (struct sgml_getc_info *) xmalloc (sizeof(*p));
- p->buf_size = 512;
- p->buf = xmalloc (p->buf_size);
- p->wrbuf = wrbuf_alloc();
- return p;
-}
-
-static ZEBRA_RES grs_config_sgml(void *clientData, Res res, const char *args)
-{
- return ZEBRA_OK;
-}
-
-static void grs_destroy_sgml(void *clientData)
-{
- struct sgml_getc_info *p = (struct sgml_getc_info *) clientData;
-
- wrbuf_free(p->wrbuf, 1);
- xfree (p->buf);
- xfree (p);
-}
-
-static int grs_extract_sgml(void *clientData, struct recExtractCtrl *ctrl)
-{
- return zebra_grs_extract(clientData, ctrl, grs_read_sgml);
-}
-
-static int grs_retrieve_sgml(void *clientData, struct recRetrieveCtrl *ctrl)
-{
- return zebra_grs_retrieve(clientData, ctrl, grs_read_sgml);
-}
-
-static struct recType grs_type_sgml =
-{
- 0,
- "grs.sgml",
- grs_init_sgml,
- grs_config_sgml,
- grs_destroy_sgml,
- grs_extract_sgml,
- grs_retrieve_sgml
-};
-
-RecType
-#ifdef IDZEBRA_STATIC_GRS_SGML
-idzebra_filter_grs_sgml
-#else
-idzebra_filter
-#endif
-
-[] = {
- &grs_type_sgml,
- 0,
-};
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
+++ /dev/null
-/* $Id: xmlread.c,v 1.21 2006-05-10 08:13:31 adam Exp $
- Copyright (C) 1995-2005
- Index Data ApS
-
-This file is part of the Zebra server.
-
-Zebra is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
-*/
-
-#if HAVE_EXPAT_H
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#if HAVE_ICONV_H
-#include <errno.h>
-#include <iconv.h>
-#endif
-
-#include <yaz/log.h>
-
-#include <idzebra/recgrs.h>
-
-#include <yaz/log.h>
-#include <yaz/xmalloc.h>
-
-#include <expat.h>
-
-#define XML_CHUNK 1024
-
-struct user_info {
- data1_node *d1_stack[256];
- int level;
- data1_handle dh;
- NMEM nmem;
- int loglevel;
-};
-
-static void cb_start (void *user, const char *el, const char **attr)
-{
- struct user_info *ui = (struct user_info*) user;
- if (ui->level == 1)
- data1_set_root (ui->dh, ui->d1_stack[0], ui->nmem, el);
- ui->d1_stack[ui->level] = data1_mk_tag (ui->dh, ui->nmem, el, attr,
- ui->d1_stack[ui->level-1]);
- ui->level++;
- yaz_log (ui->loglevel, "cb_start %s", el);
-}
-
-static void cb_end (void *user, const char *el)
-{
- struct user_info *ui = (struct user_info*) user;
-
- ui->level--;
- yaz_log (ui->loglevel, "cb_end %s", el);
-}
-
-static void cb_chardata (void *user, const char *s, int len)
-{
- struct user_info *ui = (struct user_info*) user;
-#if 0
- yaz_log (ui->loglevel, "cb_chardata %.*s", len, s);
-#endif
- ui->d1_stack[ui->level] = data1_mk_text_n (ui->dh, ui->nmem, s, len,
- ui->d1_stack[ui->level -1]);
-}
-
-static void cb_decl (void *user, const char *version, const char *encoding,
- int standalone)
-{
- struct user_info *ui = (struct user_info*) user;
- const char *attr_list[7];
-
- attr_list[0] = "version";
- attr_list[1] = version;
-
- attr_list[2] = "encoding";
- attr_list[3] = "UTF-8"; /* internally it's always UTF-8 */
-
- attr_list[4] = "standalone";
- attr_list[5] = standalone ? "yes" : "no";
-
- attr_list[6] = 0;
-
- data1_mk_preprocess (ui->dh, ui->nmem, "xml", attr_list,
- ui->d1_stack[ui->level-1]);
-#if 0
- yaz_log (YLOG_LOG, "decl version=%s encoding=%s",
- version ? version : "null",
- encoding ? encoding : "null");
-#endif
-}
-
-static void cb_processing (void *user, const char *target,
- const char *data)
-{
- struct user_info *ui = (struct user_info*) user;
- data1_node *res =
- data1_mk_preprocess (ui->dh, ui->nmem, target, 0,
- ui->d1_stack[ui->level-1]);
- data1_mk_text_nf (ui->dh, ui->nmem, data, strlen(data), res);
-
- yaz_log (ui->loglevel, "decl processing target=%s data=%s",
- target ? target : "null",
- data ? data : "null");
-}
-
-static void cb_comment (void *user, const char *data)
-{
- struct user_info *ui = (struct user_info*) user;
- yaz_log (ui->loglevel, "decl comment data=%s", data ? data : "null");
- data1_mk_comment (ui->dh, ui->nmem, data, ui->d1_stack[ui->level-1]);
-}
-
-static void cb_doctype_start (void *userData, const char *doctypeName,
- const char *sysid, const char *pubid,
- int has_internal_subset)
-{
- struct user_info *ui = (struct user_info*) userData;
- yaz_log (ui->loglevel, "doctype start doctype=%s sysid=%s pubid=%s",
- doctypeName, sysid, pubid);
-}
-
-static void cb_doctype_end (void *userData)
-{
- struct user_info *ui = (struct user_info*) userData;
- yaz_log (ui->loglevel, "doctype end");
-}
-
-
-static void cb_entity_decl (void *userData, const char *entityName,
- int is_parameter_entity,
- const char *value, int value_length,
- const char *base, const char *systemId,
- const char *publicId, const char *notationName)
-{
- struct user_info *ui = (struct user_info*) userData;
- yaz_log (ui->loglevel,
- "entity decl %s is_para_entry=%d value=%.*s base=%s systemId=%s"
- " publicId=%s notationName=%s",
- entityName, is_parameter_entity, value_length, value,
- base, systemId, publicId, notationName);
-
-}
-
-static int cb_external_entity (XML_Parser pparser,
- const char *context,
- const char *base,
- const char *systemId,
- const char *publicId)
-{
- struct user_info *ui = (struct user_info*) XML_GetUserData(pparser);
- FILE *inf;
- int done = 0;
- XML_Parser parser;
-
- yaz_log (ui->loglevel,
- "external entity context=%s base=%s systemid=%s publicid=%s",
- context, base, systemId, publicId);
- if (!systemId)
- return 1;
-
- if (!(inf = fopen (systemId, "rb")))
- {
- yaz_log (YLOG_WARN|YLOG_ERRNO, "fopen %s", systemId);
- return 0;
- }
-
- parser = XML_ExternalEntityParserCreate (pparser, "", 0);
- while (!done)
- {
- int r;
- void *buf = XML_GetBuffer (parser, XML_CHUNK);
- if (!buf)
- {
- yaz_log (YLOG_WARN, "XML_GetBuffer fail");
- break;
- }
- r = fread (buf, 1, XML_CHUNK, inf);
- if (r == 0)
- {
- if (ferror(inf))
- {
- yaz_log (YLOG_WARN|YLOG_ERRNO, "fread %s", systemId);
- break;
- }
- done = 1;
- }
- if (!XML_ParseBuffer (parser, r, done))
- {
- done = 1;
- yaz_log (YLOG_WARN, "%s:%d:%d:XML error: %s",
- systemId,
- XML_GetCurrentLineNumber(parser),
- XML_GetCurrentColumnNumber(parser),
- XML_ErrorString(XML_GetErrorCode(parser)));
- }
- }
- fclose (inf);
- XML_ParserFree (parser);
- return done;
-}
-
-
-#if HAVE_ICONV_H
-static int cb_encoding_convert (void *data, const char *s)
-{
- iconv_t t = (iconv_t) data;
- size_t ret;
- size_t outleft = 2;
- char outbuf_[2], *outbuf = outbuf_;
- size_t inleft = 4;
- char *inbuf = (char *) s;
- unsigned short code;
-
-#if 1
- yaz_log(YLOG_LOG, "------------------------- cb_encoding_convert --- ");
-#endif
- ret = iconv (t, &inbuf, &inleft, &outbuf, &outleft);
- if (ret == (size_t) (-1) && errno != E2BIG)
- {
- iconv (t, 0, 0, 0, 0);
- return -1;
- }
- if (outleft != 0)
- return -1;
- memcpy (&code, outbuf_, sizeof(short));
- return code;
-}
-
-static void cb_encoding_release (void *data)
-{
- iconv_t t = (iconv_t) data;
- iconv_close (t);
-}
-
-static int cb_encoding_handler (void *userData, const char *name,
- XML_Encoding *info)
-{
- int i = 0;
- int no_ok = 0;
- struct user_info *ui = (struct user_info*) userData;
-
- iconv_t t = iconv_open ("UNICODE", name);
- if (t == (iconv_t) (-1))
- return 0;
-
- info->data = 0; /* signal that multibyte is not in use */
- yaz_log (ui->loglevel, "Encoding handler of %s", name);
- for (i = 0; i<256; i++)
- {
- size_t ret;
- char outbuf_[5];
- char inbuf_[5];
- char *inbuf = inbuf_;
- char *outbuf = outbuf_;
- size_t inleft = 1;
- size_t outleft = 2;
- inbuf_[0] = i;
-
- iconv (t, 0, 0, 0, 0); /* reset iconv */
-
- ret = iconv(t, &inbuf, &inleft, &outbuf, &outleft);
- if (ret == (size_t) (-1))
- {
- if (errno == EILSEQ)
- {
- yaz_log (ui->loglevel, "Encoding %d: invalid sequence", i);
- info->map[i] = -1; /* invalid sequence */
- }
- if (errno == EINVAL)
- { /* multi byte input */
- int len = 2;
- int j = 0;
- info->map[i] = -1;
-
- while (len <= 4)
- {
- char sbuf[80];
- int k;
- inbuf = inbuf_;
- inleft = len;
- outbuf = outbuf_;
- outleft = 2;
-
- inbuf_[len-1] = j;
- iconv (t, 0,0,0,0);
-
- assert (i >= 0 && i<255);
-
- *sbuf = 0;
- for (k = 0; k<len; k++)
- {
- sprintf (sbuf+strlen(sbuf), "%d ", inbuf_[k]&255);
- }
- ret = iconv (t, &inbuf, &inleft, &outbuf, &outleft);
- if (ret == (size_t) (-1))
- {
- if (errno == EILSEQ || errno == E2BIG)
- {
- j++;
- if (j > 255)
- break;
- }
- else if (errno == EINVAL)
- {
- len++;
- j = 7;
- }
- }
- else if (outleft == 0)
- {
- info->map[i] = -len;
- info->data = t; /* signal that multibyte is in use */
- break;
- }
- else
- {
- break;
- }
- }
- if (info->map[i] < -1)
- yaz_log (ui->loglevel, "Encoding %d: multibyte input %d",
- i, -info->map[i]);
- else
- yaz_log (ui->loglevel, "Encoding %d: multibyte input failed",
- i);
- }
- if (errno == E2BIG)
- {
- info->map[i] = -1; /* no room for output */
- if (i != 0)
- yaz_log (YLOG_WARN, "Encoding %d: no room for output",
- i);
- }
- }
- else if (outleft == 0)
- {
- unsigned short code;
- memcpy (&code, outbuf_, sizeof(short));
- info->map[i] = code;
- no_ok++;
- }
- else
- { /* should never happen */
- info->map[i] = -1;
- yaz_log (YLOG_DEBUG, "Encoding %d: bad state", i);
- }
- }
- if (info->data)
- { /* at least one multi byte */
- info->convert = cb_encoding_convert;
- info->release = cb_encoding_release;
- }
- else
- {
- /* no multi byte - we no longer need iconv handler */
- iconv_close(t);
- info->convert = 0;
- info->release = 0;
- }
- if (!no_ok)
- return 0;
- return 1;
-}
-/* HAVE_ICONV_H */
-#endif
-
-static void cb_ns_start(void *userData, const char *prefix, const char *uri)
-{
- struct user_info *ui = (struct user_info*) userData;
- if (prefix && uri)
- yaz_log(ui->loglevel, "cb_ns_start %s %s", prefix, uri);
-}
-
-static void cb_ns_end(void *userData, const char *prefix)
-{
- struct user_info *ui = (struct user_info*) userData;
- if (prefix)
- yaz_log(ui->loglevel, "cb_ns_end %s", prefix);
-}
-data1_node *zebra_read_xml (data1_handle dh,
- int (*rf)(void *, char *, size_t), void *fh,
- NMEM m)
-{
- XML_Parser parser;
- struct user_info uinfo;
- int done = 0;
- data1_node *first_node;
- int no_read = 0;
-
- uinfo.loglevel = YLOG_DEBUG;
- uinfo.level = 1;
- uinfo.dh = dh;
- uinfo.nmem = m;
- uinfo.d1_stack[0] = data1_mk_node2 (dh, m, DATA1N_root, 0);
- uinfo.d1_stack[1] = 0; /* indicate no children (see end of routine) */
-
- parser = XML_ParserCreate (0 /* encoding */);
-
- XML_SetElementHandler (parser, cb_start, cb_end);
- XML_SetCharacterDataHandler (parser, cb_chardata);
- XML_SetXmlDeclHandler (parser, cb_decl);
- XML_SetProcessingInstructionHandler (parser, cb_processing);
- XML_SetUserData (parser, &uinfo);
- XML_SetCommentHandler (parser, cb_comment);
- XML_SetDoctypeDeclHandler (parser, cb_doctype_start, cb_doctype_end);
- XML_SetEntityDeclHandler (parser, cb_entity_decl);
- XML_SetExternalEntityRefHandler (parser, cb_external_entity);
- XML_SetNamespaceDeclHandler(parser, cb_ns_start, cb_ns_end);
-#if HAVE_ICONV_H
- XML_SetUnknownEncodingHandler (parser, cb_encoding_handler, &uinfo);
-#endif
- while (!done)
- {
- int r;
- void *buf = XML_GetBuffer (parser, XML_CHUNK);
- if (!buf)
- {
- /* error */
- yaz_log (YLOG_WARN, "XML_GetBuffer fail");
- break;
- }
- r = (*rf)(fh, buf, XML_CHUNK);
- if (r < 0)
- {
- /* error */
- yaz_log (YLOG_WARN, "XML read fail");
- break;
- }
- else if (r == 0)
- done = 1;
- else
- no_read += r;
- if (no_read && !XML_ParseBuffer (parser, r, done))
- {
- done = 1;
- yaz_log (YLOG_WARN, "%d:%d:XML error: %s",
- XML_GetCurrentLineNumber(parser),
- XML_GetCurrentColumnNumber(parser),
- XML_ErrorString(XML_GetErrorCode(parser)));
- }
- }
- XML_ParserFree (parser);
- if (no_read == 0)
- return 0;
- if (!uinfo.d1_stack[1] || !done)
- return 0;
- /* insert XML header if not present .. */
- first_node = uinfo.d1_stack[0]->child;
- if (first_node->which != DATA1N_preprocess ||
- strcmp(first_node->u.preprocess.target, "xml"))
- {
- const char *attr_list[5];
-
- attr_list[0] = "version";
- attr_list[1] = "1.0";
-
- attr_list[2] = "encoding";
- attr_list[3] = "UTF-8"; /* encoding */
-
- attr_list[4] = 0;
-
- data1_insert_preprocess (uinfo.dh, uinfo.nmem, "xml", attr_list,
- uinfo.d1_stack[0]);
- }
- return uinfo.d1_stack[0];
-}
-
-struct xml_info {
- XML_Expat_Version expat_version;
-};
-
-static data1_node *grs_read_xml (struct grs_read_info *p)
-{
- return zebra_read_xml (p->dh, p->readf, p->fh, p->mem);
-}
-
-static void *filter_init(Res res, RecType recType)
-{
- struct xml_info *p = (struct xml_info *) xmalloc (sizeof(*p));
-
- p->expat_version = XML_ExpatVersionInfo();
-
- return p;
-}
-
-static void filter_destroy(void *clientData)
-{
- struct xml_info *p = (struct xml_info *) clientData;
-
- xfree (p);
-}
-
-static int filter_extract(void *clientData, struct recExtractCtrl *ctrl)
-{
- return zebra_grs_extract(clientData, ctrl, grs_read_xml);
-}
-
-static int filter_retrieve(void *clientData, struct recRetrieveCtrl *ctrl)
-{
- return zebra_grs_retrieve(clientData, ctrl, grs_read_xml);
-}
-
-static struct recType filter_type = {
- 0,
- "grs.xml",
- filter_init,
- 0,
- filter_destroy,
- filter_extract,
- filter_retrieve,
-};
-
-RecType
-#ifdef IDZEBRA_STATIC_GRS_XML
-idzebra_filter_grs_xml
-#else
-idzebra_filter
-#endif
-
-[] = {
- &filter_type,
- 0,
-};
-
-#endif
-
-/*
- * Local variables:
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- * vim: shiftwidth=4 tabstop=8 expandtab
- */
-
projects / idzebra-moved-to-github.git / commitdiff