From e2120257dda4d91b48bb031a96edda810ce30dfb Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Tue, 30 Sep 2008 12:49:34 +0000
Subject: Changed SAXParser parse method to take a buffer and a size instead of
 a c++ string. Made the queryhandler use a read loop, parsing on-the-fly to
 determine when the entire document has been read.

---
 server/src/saxparser.cc | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'server/src/saxparser.cc')

diff --git a/server/src/saxparser.cc b/server/src/saxparser.cc
index 43b6ba3..be7a541 100644
--- a/server/src/saxparser.cc
+++ b/server/src/saxparser.cc
@@ -51,6 +51,8 @@ static void start_hndl(void *p, const char *el, const char **attr)
     attributes.insert(make_pair(at_name, at_value));
   }
 
+  if(parser->outertag == "") parser->outertag = name;
+
   parser->startTag(name, attributes);
 }
 
@@ -58,6 +60,9 @@ static void end_hndl(void *p, const char *el)
 {
   SAXParser *parser = (SAXParser*)XML_GetUserData(p);
   std::string name = el;
+
+  if(name == parser->outertag) parser->done = true;
+
   parser->endTag(name);
 }
 
@@ -75,6 +80,11 @@ SAXParser::SAXParser()
   XML_UseParserAsHandlerArg(p);
   XML_SetElementHandler(p, start_hndl, end_hndl);
   XML_SetCharacterDataHandler(p, character_hndl);
+
+  bufferbytes = 0;
+  totalbytes = 0;
+  done = false;
+
 }
 
 SAXParser::~SAXParser()
@@ -100,6 +110,30 @@ int SAXParser::parse()
   return 0;
 }
 
+bool SAXParser::parse(char *data, size_t size)
+{
+  bufferbytes = size;
+  totalbytes += bufferbytes;
+
+  if(! XML_Parse(p, data, size, false) ) {
+    if(XML_GetErrorCode(p) == XML_ERROR_JUNK_AFTER_DOC_ELEMENT) return true;
+    parseError(data, size, XML_ErrorString(XML_GetErrorCode(p)), (int)XML_GetCurrentLineNumber(p));
+    return false;
+  }
+
+  if(done) {
+    if(! XML_Parse(p, data, 0, true) ) {
+      if(XML_GetErrorCode(p) == XML_ERROR_JUNK_AFTER_DOC_ELEMENT) return true;
+      parseError(data, 0, XML_ErrorString(XML_GetErrorCode(p)), (int)XML_GetCurrentLineNumber(p));
+      return false;
+    }
+  }
+
+  printf("Got END_OF_DOCUMENT [%s] at %ld\n", outertag.c_str(), XML_GetCurrentByteIndex(p));
+
+  return done;
+}
+
 void SAXParser::parseError(char *buf, size_t len, std::string error, int lineno)
 {
   fprintf(stderr, "SAXParser error at line %d: %s\n", lineno, error.c_str());
@@ -109,6 +143,11 @@ void SAXParser::parseError(char *buf, size_t len, std::string error, int lineno)
   fflush(stderr);
 }
 
+unsigned int SAXParser::usedBytes()
+{
+  return bufferbytes + (XML_GetCurrentByteIndex(p) - totalbytes);
+}
+
 
 #ifdef TEST_SAXPARSER
 /**
-- 
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