210 lines
7.7 KiB
C++
210 lines
7.7 KiB
C++
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/***************************************************************************
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* Copyright (C) 2005 by Christof Donat *
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* cdonat@gmx.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include "xmlparser.h"
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#include "logger.h"
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namespace xmlParser {
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bool parser::operator()(const string& content, int &pos, responseParserHook *hook) { return false; }
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bool spaceParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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if( content[pos] == ' ' || content[pos] == '\t' || content[pos] == '\n' || content[pos] == '\r' ) {
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pos++; return true;
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}
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return false;
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}
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bool commentParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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if( content.substr(pos,4) == "<!--" ) {
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pos+= 4;
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while( content.substr(pos,3) != "-->" && pos < content.length() ) pos++;
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if(pos < content.length()) {
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pos += 3; return (*hook)(8,content.substr(oldpos+4,(pos-oldpos)-7));
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}
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pos = oldpos;
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return false;
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}
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return false;
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}
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bool nameParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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if( !( (content[pos] >= '0' && content[pos] <= '9' ) ||
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(content[pos] >= 'a' && content[pos] <= 'z' ) ||
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(content[pos] >= 'A' && content[pos] <= 'Z' ) ||
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content[pos] == '.' ||
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content[pos] == ':' ||
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content[pos] == '_' ) )
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return false;
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while( (content[pos] >= '0' && content[pos] <= '9' ) ||
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(content[pos] >= 'a' && content[pos] <= 'z' ) ||
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(content[pos] >= 'A' && content[pos] <= 'Z' ) ||
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content[pos] == '.' ||
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content[pos] == ':' ||
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content[pos] == '_' ) pos++;
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return true;
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}
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bool attributeValueParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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if( content[pos] == '"' ) {
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pos++;
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while( content[pos] != '"' && pos < content.length() ) pos++;
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if( pos >= content.length() ) { pos = oldpos; return false; }
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pos++;
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}
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else if( content[pos] == '\'' ) {
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pos++;
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while( content[pos] != '\'' && pos < content.length() ) pos++;
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if( pos >= content.length() ) { pos = oldpos; return false; }
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pos++;
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} else {
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pos = oldpos;
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return false;
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}
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return (*hook)(32,content.substr(oldpos+1,(pos-oldpos)-2));
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}
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bool attributeParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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if( ! space(content,pos,hook) ) return false;
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while(space(content,pos,hook) && pos < content.length() );
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int namestartpos = pos;
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if( ! name(content,pos,hook) ) { pos = oldpos; return false; }
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int nameendpos = pos;
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if( content[pos] != '=' ) { pos = oldpos; return false; }
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pos++;
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if( ! value(content,pos,hook) ) { pos = oldpos; return false; }
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return (*hook)(2,content.substr(oldpos+1,(nameendpos-oldpos)-1));
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};
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bool emptyelemParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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if( content[pos] != '<' ) return false;
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pos++;
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if( !name(content,pos,hook) ) { pos = oldpos; return false; }
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int nameendpos = pos;
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while(attrib(content,pos,hook) && pos < content.length() );
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while(space(content,pos,hook) && pos < content.length() );
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if( content.substr(pos,2) != "/>" ) { pos = oldpos; return false; }
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pos += 2;
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return (*hook)(18,content.substr(oldpos+1,(nameendpos-oldpos)-1));
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}
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bool startelemParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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if( content[pos] != '<' ) return false;
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pos++;
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if( !name(content,pos,hook) ) { pos = oldpos; return false; }
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int nameendpos = pos;
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while(attrib(content,pos,hook) && pos < content.length() );
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while(space(content,pos,hook) && pos < content.length() );
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if( content[pos] != '>' ) { pos = oldpos; return false; }
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pos ++;
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return (*hook)(16,content.substr(oldpos+1,(nameendpos-oldpos)-1));
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}
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bool endelemParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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if( content.substr(pos,2) != "</" ) return false;
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pos += 2;
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if( !name(content,pos,hook) ) { pos = oldpos; return false; }
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int nameendpos = pos;
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while(space(content,pos,hook) && pos < content.length() );
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if( content[pos] != '>' ) { pos = oldpos; return false; }
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pos ++;
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return (*hook)(17,content.substr(oldpos+2,(nameendpos-oldpos)-2));
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}
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bool textParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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if( content[pos] == '<' )
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return false;
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while( content[pos] != '<' && pos < content.length() ) pos++;
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return (*hook)(3,content.substr(oldpos,pos-oldpos));
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};
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bool cdataParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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if( content.substr(pos,9) != "<![CDATA[" ) return false;
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bool foundend = false;
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while( !( foundend = (content.substr(pos,3) == "]]>") ) && pos < content.length() ) pos++;
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if( !foundend ) { pos = oldpos; return false; }
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pos += 3;
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return (*hook)(4,content.substr(oldpos+9,(pos-oldpos)-12));
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};
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bool elemParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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if( emptyelem(content,pos,hook) ) return (*hook)(1,content.substr(oldpos,pos-oldpos));
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if( ! elemstart(content,pos,hook) ) return false;
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bool foundend = false;
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while( !(foundend = endelem(content,pos,hook)) && pos < content.length() ) {
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if( ! ( comspace(content,pos,hook) ||
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text(content,pos,hook) ||
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(*this)(content,pos,hook) ||
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cdata(content,pos,hook) ) ) {
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pos = oldpos;
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return false;
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}
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}
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if( foundend ) return (*hook)(1,content.substr(oldpos,pos-oldpos));
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return false;
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}
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bool xmlpcParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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if( content.substr(pos,5) != "<?xml" ) return false;
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pos += 5;
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while(attrib(content,pos,hook) && pos < content.length() );
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while(space(content,pos,hook) && pos < content.length() );
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if( content.substr(pos,2) != "?>" ) { pos = oldpos; return false; }
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pos += 2;
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return (*hook)(7,string("xml"));
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}
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bool XMLParser::operator()(const string& content, int &pos, responseParserHook *hook) {
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int oldpos = pos;
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while(space(content,pos,hook) && pos < content.length() );
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if( ! xmlpc(content,pos,hook) ) { pos = oldpos; return false; }
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while(comspace(content,pos,hook) && pos < content.length() );
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if( ! elem(content,pos,hook) ) { pos = oldpos; return false; }
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while(comspace(content,pos,hook) && pos < content.length() );
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return (*hook)(9,content.substr(oldpos,pos-oldpos));
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}
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bool ResponseParser::operator()(const string& content, responseParserHook *hook) {
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int pos = 0;
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bool rval = xml(content,pos,hook);
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if( pos < content.length() ) return false;
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return rval;
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}
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}
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