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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <Swiften/Parser/ExpatParser.h>
#include <iostream>
#include <string>
#include <Swiften/Base/String.h>
#include <Swiften/Parser/XMLParserClient.h>
namespace Swift {
static const char NAMESPACE_SEPARATOR = '\x01';
static void handleStartElement(void* parser, const XML_Char* name, const XML_Char** attributes) {
std::pair<std::string,std::string> nsTagPair = String::getSplittedAtFirst(name, NAMESPACE_SEPARATOR);
if (nsTagPair.second == "") {
nsTagPair.second = nsTagPair.first;
nsTagPair.first = "";
}
AttributeMap attributeValues;
const XML_Char** currentAttribute = attributes;
while (*currentAttribute) {
std::pair<std::string,std::string> nsAttributePair = String::getSplittedAtFirst(*currentAttribute, NAMESPACE_SEPARATOR);
if (nsAttributePair.second == "") {
nsAttributePair.second = nsAttributePair.first;
nsAttributePair.first = "";
}
attributeValues.addAttribute(nsAttributePair.second, nsAttributePair.first, std::string(*(currentAttribute+1)));
currentAttribute += 2;
}
static_cast<XMLParser*>(parser)->getClient()->handleStartElement(nsTagPair.second, nsTagPair.first, attributeValues);
}
static void handleEndElement(void* parser, const XML_Char* name) {
std::pair<std::string,std::string> nsTagPair = String::getSplittedAtFirst(name, NAMESPACE_SEPARATOR);
if (nsTagPair.second == "") {
nsTagPair.second = nsTagPair.first;
nsTagPair.first = "";
}
static_cast<XMLParser*>(parser)->getClient()->handleEndElement(nsTagPair.second, nsTagPair.first);
}
static void handleCharacterData(void* parser, const XML_Char* data, int len) {
static_cast<XMLParser*>(parser)->getClient()->handleCharacterData(std::string(data, len));
}
static void handleXMLDeclaration(void*, const XML_Char*, const XML_Char*, int) {
}
static void handleEntityDeclaration(void* parser, const XML_Char*, int, const XML_Char*, int, const XML_Char*, const XML_Char*, const XML_Char*, const XML_Char*) {
XML_StopParser(static_cast<ExpatParser*>(parser)->getParser(), static_cast<XML_Bool>(0));
}
ExpatParser::ExpatParser(XMLParserClient* client) : XMLParser(client) {
parser_ = XML_ParserCreateNS("UTF-8", NAMESPACE_SEPARATOR);
XML_SetUserData(parser_, this);
XML_SetElementHandler(parser_, handleStartElement, handleEndElement);
XML_SetCharacterDataHandler(parser_, handleCharacterData);
XML_SetXmlDeclHandler(parser_, handleXMLDeclaration);
XML_SetEntityDeclHandler(parser_, handleEntityDeclaration);
}
ExpatParser::~ExpatParser() {
XML_ParserFree(parser_);
}
bool ExpatParser::parse(const std::string& data) {
bool success = XML_Parse(parser_, data.c_str(), data.size(), false) == XML_STATUS_OK;
/*if (!success) {
std::cout << "ERROR: " << XML_ErrorString(XML_GetErrorCode(parser_)) << " while parsing " << data << std::endl;
}*/
return success;
}
}
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Swift