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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/LibXMLParser.h"
#include <iostream>
#include <cassert>
#include <cstring>
#include "Swiften/Base/String.h"
#include "Swiften/Parser/XMLParserClient.h"
namespace Swift {
static void handleStartElement(void *client, const xmlChar* name, const xmlChar*, const xmlChar* xmlns, int, const xmlChar**, int nbAttributes, int, const xmlChar ** attributes) {
AttributeMap attributeValues;
for (int i = 0; i < nbAttributes*5; i += 5) {
attributeValues[String(reinterpret_cast<const char*>(attributes[i]))] = String(reinterpret_cast<const char*>(attributes[i+3]), attributes[i+4]-attributes[i+3]);
}
static_cast<XMLParserClient*>(client)->handleStartElement(reinterpret_cast<const char*>(name), (xmlns ? reinterpret_cast<const char*>(xmlns) : String()), attributeValues);
}
static void handleEndElement(void *client, const xmlChar* name, const xmlChar*, const xmlChar* xmlns) {
static_cast<XMLParserClient*>(client)->handleEndElement(reinterpret_cast<const char*>(name), (xmlns ? reinterpret_cast<const char*>(xmlns) : String()));
}
static void handleCharacterData(void* client, const xmlChar* data, int len) {
static_cast<XMLParserClient*>(client)->handleCharacterData(String(reinterpret_cast<const char*>(data), len));
}
static void handleError(void*, const char* /*m*/, ... ) {
/*
va_list args;
va_start(args, m);
vfprintf(stdout, m, args);
va_end(args);
*/
}
static void handleWarning(void*, const char*, ... ) {
}
LibXMLParser::LibXMLParser(XMLParserClient* client) : XMLParser(client) {
memset(&handler_, 0, sizeof(handler_) );
handler_.initialized = XML_SAX2_MAGIC;
handler_.startElementNs = &handleStartElement;
handler_.endElementNs = &handleEndElement;
handler_.characters = &handleCharacterData;
handler_.warning = &handleWarning;
handler_.error = &handleError;
context_ = xmlCreatePushParserCtxt(&handler_, client, 0, 0, 0);
assert(context_);
}
LibXMLParser::~LibXMLParser() {
if (context_) {
xmlFreeParserCtxt(context_);
}
}
bool LibXMLParser::parse(const String& data) {
if (xmlParseChunk(context_, data.getUTF8Data(), data.getUTF8Size(), false) == XML_ERR_OK) {
return true;
}
xmlError* error = xmlCtxtGetLastError(context_);
if (error->code == XML_WAR_NS_URI || error->code == XML_WAR_NS_URI_RELATIVE) {
xmlCtxtResetLastError(context_);
context_->errNo = XML_ERR_OK;
return true;
}
return false;
}
}
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Swift