client/tabcomplete.c

   1 /*
   2  * Copyright (C) 1995-2005, Index Data ApS
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: tabcomplete.c,v 1.11 2005-06-24 19:56:52 adam Exp $
   6  */
   7
   8 #include <string.h>
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11
  12 #include <yaz/oid.h>
  13 #include "tabcomplete.h"
  14
  15 extern char** curret_global_list;
  16
  17 /* ***************************************************************************
  18  *
  19  * generic completer
  20  *
  21  * ***************************************************************************/
  22
  23 char* complete_from_list(char* completions[], const char *text, int state)
  24 {
  25     static int idx;
  26
  27     if(!completions) return NULL;
  28     if(state==0) {
  29         idx = 0;
  30     }
  31     for(; completions[idx]; ++ idx) {
  32         if(!
  33 #ifdef WIN32
  34            _strnicmp
  35 #else
  36            strncasecmp
  37 #endif
  38            (completions[idx],text,strlen(text))) {
  39             ++idx; /* skip this entry on the next run */
  40             return (char*)strdup(completions[idx-1]);
  41         };
  42     };
  43     return NULL;
  44 }
  45
  46
  47 /* ***************************************************************************
  48  *
  49  * code for getting a list of valid strings from the oid subsystem
  50  *
  51  * ***************************************************************************/
  52
  53
  54 typedef struct {
  55     oid_class oclass;
  56     char** values;
  57     size_t index;
  58     size_t max;
  59 } oid_callback_t;
  60
  61 /*!
  62   This is the call back function given to oid_trav... it updates the list
  63   of pointers into the oid owned data
  64 */
  65
  66 void oid_loader(struct oident* oid, void* data_)
  67 {
  68     oid_callback_t* data=(oid_callback_t*) data_;
  69
  70
  71     if((oid->oclass == CLASS_GENERAL) || (oid->oclass == data->oclass)) {
  72         if(data->index==data->max) {
  73                         data->values=(char**)realloc(data->values,((data->max+1)*2)*sizeof(char*));
  74                         data->max=(data->max+1)*2 - 1;
  75         };
  76         data->values[data->index]=oid->desc;
  77         ++data->index;
  78     }
  79 }
  80
  81 char** build_list_for_oclass(oid_class oclass) {
  82     oid_callback_t data;
  83     data.values = (char **) calloc(10,sizeof(char*));
  84     data.index = 0;
  85     data.max = 9;
  86     data.oclass = oclass;
  87
  88     oid_trav(oid_loader, &data);
  89
  90     data.values[data.index]=0;
  91     return data.values;
  92 }
  93
  94 /* ***************************************************************************
  95  *
  96  * the completer functions
  97  *
  98  * ***************************************************************************/
  99
 100 char* complete_querytype(const char *text, int state)
 101 {
 102     char* querytypes[] = {"ccl2rpn","prefix","cclrpn","ccl","cql", 0};
 103     return complete_from_list(querytypes,text,state);
 104 }
 105
 106 char* complete_auto_reconnect(const char *text, int state)
 107 {
 108     char* querytypes[] = {"on","off",0};
 109     return complete_from_list(querytypes,text,state);
 110 }
 111
 112
 113 char* complete_format(const char* text, int state)
 114 {
 115     char** list=build_list_for_oclass(CLASS_RECSYN);
 116     char* res=complete_from_list(list,text,state);
 117
 118     free(list);
 119     return res;
 120 }
 121
 122 char* complete_schema(const char* text, int state)
 123 {
 124     char** list=build_list_for_oclass(CLASS_SCHEMA);
 125     char* res=complete_from_list(list,text,state);
 126
 127     free(list);
 128     return res;
 129 }
 130
 131
 132 char* complete_attributeset(const char* text, int state)
 133 {
 134     char** list=build_list_for_oclass(CLASS_ATTSET);
 135     char* res=complete_from_list(list,text,state);
 136
 137     free(list);
 138     return res;
 139 }
 140
 141
 142 char* default_completer(const char* text, int state)
 143 {
 144     return complete_from_list(curret_global_list,text,state);
 145 }
 146