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/*
* The Mana Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2012 The Mana Developers
*
* This file is part of The Mana Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "utils/xml.h"
#include <libxml/parser.h>
#include <libxml/xmlerror.h>
#include "log.h"
#include "resources/resourcemanager.h"
#include "utils/stringutils.h"
#include "utils/zlib.h"
namespace XML
{
struct XMLContext
{
std::string file;
bool resman;
};
#if LIBXML_VERSION >= 21200
static void xmlLogger(void *ctx, const xmlError *error)
#else
static void xmlLogger(void *ctx, xmlErrorPtr error)
#endif
{
auto *context = static_cast<XMLContext*>(ctx);
if (context)
logger->log("Error in XML file '%s' on line %d",
context->file.c_str(), error->line);
else
logger->log("Error in unknown xml file on line %d",
error->line);
logger->log("%s", error->message);
// No need to keep errors around
xmlCtxtResetLastError(error->ctxt);
}
Document::Document(const std::string &filename, bool useResman):
mDoc(nullptr)
{
XMLContext ctx;
ctx.file = filename;
ctx.resman = useResman;
xmlSetStructuredErrorFunc(&ctx, xmlLogger);
int size;
char *data = nullptr;
if (useResman)
{
ResourceManager *resman = ResourceManager::getInstance();
data = (char*) resman->loadFile(filename, size);
}
else
{
data = (char *) loadCompressedFile(filename, size);
}
if (data)
{
mDoc = xmlParseMemory(data, size);
free(data);
if (!mDoc)
logger->log("Error parsing XML file %s", filename.c_str());
}
else
{
logger->log("Error loading %s", filename.c_str());
}
xmlSetStructuredErrorFunc(nullptr, xmlLogger);
}
Document::~Document()
{
if (mDoc)
xmlFreeDoc(mDoc);
}
xmlNodePtr Document::rootNode()
{
return mDoc ? xmlDocGetRootElement(mDoc) : nullptr;
}
bool hasProperty(xmlNodePtr node, const char *name)
{
return xmlHasProp(node, BAD_CAST name) != nullptr;
}
int getProperty(xmlNodePtr node, const char* name, int def)
{
int &ret = def;
xmlChar *prop = xmlGetProp(node, BAD_CAST name);
if (prop)
{
ret = atol((char*)prop);
xmlFree(prop);
}
return ret;
}
double getFloatProperty(xmlNodePtr node, const char* name, double def)
{
double &ret = def;
xmlChar *prop = xmlGetProp(node, BAD_CAST name);
if (prop)
{
ret = atof((char*)prop);
xmlFree(prop);
}
return ret;
}
std::string getProperty(xmlNodePtr node, const char *name,
const std::string &def)
{
xmlChar *prop = xmlGetProp(node, BAD_CAST name);
if (prop)
{
std::string val = (char*)prop;
xmlFree(prop);
return val;
}
return def;
}
bool getBoolProperty(xmlNodePtr node, const char* name, bool def)
{
bool ret = def;
xmlChar *prop = xmlGetProp(node, BAD_CAST name);
if (prop)
{
ret = getBoolFromString((char*) prop, def);
xmlFree(prop);
}
return ret;
}
xmlNodePtr findFirstChildByName(xmlNodePtr parent, const char *name)
{
for (auto child : XML::Children(parent))
if (xmlStrEqual(child->name, BAD_CAST name))
return child;
return nullptr;
}
void init()
{
// Initialize libxml2 and check for potential ABI mismatches between
// compiled version and the shared library actually used.
xmlInitParser();
LIBXML_TEST_VERSION;
// Handle libxml2 error messages
xmlSetStructuredErrorFunc(nullptr, xmlLogger);
}
} // namespace XML
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