http_rewrite: HTMLParser boilerplate

[metaproxy-moved-to-github.git] / src / filter_http_rewrite.cpp

diff --git a/src/filter_http_rewrite.cpp b/src/filter_http_rewrite.cpp
index 3fd5fc2..3adc7db 100644 (file)
--- a/src/filter_http_rewrite.cpp
+++ b/src/filter_http_rewrite.cpp
@@ -21,6 +21,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #include <metaproxy/package.hpp>
 #include <metaproxy/util.hpp>
 #include "filter_http_rewrite.hpp"
+#include "html_parser.hpp"
 
 #include <yaz/zgdu.h>
 #include <yaz/log.h>
@@ -30,10 +31,6 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 #include <map>
 
-#if HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
 namespace mp = metaproxy_1;
 namespace yf = mp::filter;
 
@@ -67,7 +64,7 @@ namespace metaproxy_1 {
             RulePtr rule;
         };
 
-        class HttpRewrite::Section {
+        class HttpRewrite::Phase : public HTMLParserEvent {
         public:
             std::list<Within> within_list;
             void rewrite_reqline(mp::odr & o, Z_HTTP_Request *hreq,
@@ -77,12 +74,20 @@ namespace metaproxy_1 {
             void rewrite_body(mp::odr & o,
                 char **content_buf, int *content_len,
                 std::map<std::string, std::string> & vars) const;
+            void openTagStart(const char *name);
+            void anyTagEnd(const char *name);
+            void attribute(const char *tagName, 
+                           const char *name, 
+                           const char *value,
+                           int val_len);
+            void closeTag(const char *name);
+            void text(const char *value, int len);
         };
     }
 }
 
 yf::HttpRewrite::HttpRewrite() :
-    req_section(new Section), res_section(new Section)
+    req_phase(new Phase), res_phase(new Phase)
 {
 }
 
@@ -101,10 +106,10 @@ void yf::HttpRewrite::process(mp::Package & package) const
     {
         Z_HTTP_Request *hreq = gdu->u.HTTP_Request;
         mp::odr o;
-        req_section->rewrite_reqline(o, hreq, vars);
+        req_phase->rewrite_reqline(o, hreq, vars);
         yaz_log(YLOG_LOG, ">> Request headers");
-        req_section->rewrite_headers(o, hreq->headers, vars);
-        req_section->rewrite_body(o,
+        req_phase->rewrite_headers(o, hreq->headers, vars);
+        req_phase->rewrite_body(o,
                 &hreq->content_buf, &hreq->content_len, vars);
         package.request() = gdu;
     }
@@ -116,14 +121,14 @@ void yf::HttpRewrite::process(mp::Package & package) const
         yaz_log(YLOG_LOG, "Response code %d", hres->code);
         mp::odr o;
         yaz_log(YLOG_LOG, "<< Respose headers");
-        res_section->rewrite_headers(o, hres->headers, vars);
-        res_section->rewrite_body(o, &hres->content_buf,
+        res_phase->rewrite_headers(o, hres->headers, vars);
+        res_phase->rewrite_body(o, &hres->content_buf,
                 &hres->content_len, vars);
         package.response() = gdu;
     }
 }
 
-void yf::HttpRewrite::Section::rewrite_reqline (mp::odr & o,
+void yf::HttpRewrite::Phase::rewrite_reqline (mp::odr & o,
         Z_HTTP_Request *hreq,
         std::map<std::string, std::string> & vars) const
 {
@@ -158,7 +163,7 @@ void yf::HttpRewrite::Section::rewrite_reqline (mp::odr & o,
     }
 }
 
-void yf::HttpRewrite::Section::rewrite_headers(mp::odr & o,
+void yf::HttpRewrite::Phase::rewrite_headers(mp::odr & o,
         Z_HTTP_Header *headers,
         std::map<std::string, std::string> & vars) const
 {
@@ -192,7 +197,7 @@ void yf::HttpRewrite::Section::rewrite_headers(mp::odr & o,
     }
 }
 
-void yf::HttpRewrite::Section::rewrite_body(mp::odr & o,
+void yf::HttpRewrite::Phase::rewrite_body(mp::odr & o,
         char **content_buf,
         int *content_len,
         std::map<std::string, std::string> & vars) const
@@ -216,6 +221,32 @@ void yf::HttpRewrite::Section::rewrite_body(mp::odr & o,
     }
 }
 
+
+void yf::HttpRewrite::Phase::openTagStart(const char *name)
+{
+}
+
+void yf::HttpRewrite::Phase::anyTagEnd(const char *name)
+{
+}
+
+void yf::HttpRewrite::Phase::attribute(const char *tagName,
+                                       const char *name,
+                                       const char *value,
+                                       int val_len)
+{
+}
+
+
+void yf::HttpRewrite::Phase::closeTag(const char *name)
+{
+}
+
+void yf::HttpRewrite::Phase::text(const char *value, int len)
+{
+}
+
+
 /**
  * Tests pattern from the vector in order and executes recipe on
  the first match.
@@ -388,8 +419,7 @@ std::string yf::HttpRewrite::Replace::sub_vars (
 }
 
 
-void yf::HttpRewrite::configure_section(const xmlNode *ptr,
-        Section &section)
+void yf::HttpRewrite::configure_phase(const xmlNode *ptr, Phase &phase)
 {
     std::map<std::string, RulePtr > rules;
     for (ptr = ptr->children; ptr; ptr = ptr->next)
@@ -456,7 +486,7 @@ void yf::HttpRewrite::configure_section(const xmlNode *ptr,
                     ("Reference to non-existing rule '" + values[3] +
                      "' in http_rewrite filter");
             w.rule = it->second;
-            section.within_list.push_back(w);
+            phase.within_list.push_back(w);
         }
         else
         {
@@ -477,11 +507,11 @@ void yf::HttpRewrite::configure(const xmlNode * ptr, bool test_only,
             continue;
         else if (!strcmp((const char *) ptr->name, "request"))
         {
-            configure_section(ptr, *req_section);
+            configure_phase(ptr, *req_phase);
         }
         else if (!strcmp((const char *) ptr->name, "response"))
         {
-            configure_section(ptr, *res_section);
+            configure_phase(ptr, *res_phase);
         }
         else
         {