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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "configuration.h"
#include <libxml/xmlwriter.h>
#include "configlistener.h"
#include "log.h"
#include "utils/tostring.h"
#include "utils/xml.h"
void Configuration::init(const std::string &filename)
{
mConfigPath = filename;
// Do not attempt to read config from non-existant file
FILE *testFile = fopen(filename.c_str(), "r");
if (!testFile) {
return;
}
else {
fclose(testFile);
}
xmlDocPtr doc = xmlReadFile(filename.c_str(), NULL, 0);
if (!doc) return;
xmlNodePtr rootNode = xmlDocGetRootElement(doc);
if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "configuration")) {
logger->log("Warning: No configuration file (%s)", filename.c_str());
xmlFreeDoc(doc);
return;
}
for_each_xml_child_node(node, rootNode)
{
if (!xmlStrEqual(node->name, BAD_CAST "option"))
continue;
std::string name = XML::getProperty(node, "name", std::string());
std::string value = XML::getProperty(node, "value", std::string());
if (!name.empty() && !value.empty())
{
mOptions[name] = value;
}
}
xmlFreeDoc(doc);
}
void Configuration::write()
{
// Do not attempt to write to file that cannot be opened for writing
FILE *testFile = fopen(mConfigPath.c_str(), "w");
if (!testFile) {
logger->log("Configuration::write() couldn't open %s for writing",
mConfigPath.c_str());
return;
}
else {
fclose(testFile);
}
xmlTextWriterPtr writer = xmlNewTextWriterFilename(mConfigPath.c_str(), 0);
if (!writer) {
logger->log("Configuration::write() error while creating writer");
return;
}
logger->log("Configuration::write() writing configuration...");
xmlTextWriterSetIndent(writer, 1);
xmlTextWriterStartDocument(writer, NULL, NULL, NULL);
xmlTextWriterStartElement(writer, BAD_CAST "configuration");
for (OptionIterator i = mOptions.begin(); i != mOptions.end(); i++)
{
xmlTextWriterStartElement(writer, BAD_CAST "option");
xmlTextWriterWriteAttribute(writer,
BAD_CAST "name", BAD_CAST i->first.c_str());
xmlTextWriterWriteAttribute(writer,
BAD_CAST "value", BAD_CAST i->second.c_str());
xmlTextWriterEndElement(writer);
}
xmlTextWriterEndDocument(writer);
xmlFreeTextWriter(writer);
}
void Configuration::setValue(const std::string &key, std::string value)
{
mOptions[key] = value;
// Notify listeners
ListenerMapIterator list = mListenerMap.find(key);
if (list != mListenerMap.end()) {
Listeners listeners = list->second;
for (ListenerIterator i = listeners.begin(); i != listeners.end(); i++)
{
(*i)->optionChanged(key);
}
}
}
void Configuration::setValue(const std::string &key, float value)
{
setValue(key, toString((value == (int)value) ? (int)value : value));
}
std::string Configuration::getValue(const std::string &key, std::string deflt)
{
OptionIterator iter = mOptions.find(key);
return ((iter != mOptions.end()) ? iter->second : deflt);
}
float Configuration::getValue(const std::string &key, float deflt)
{
OptionIterator iter = mOptions.find(key);
return (iter != mOptions.end()) ? atof(iter->second.c_str()) : deflt;
}
void Configuration::addListener(
const std::string &key, ConfigListener *listener)
{
mListenerMap[key].push_front(listener);
}
void Configuration::removeListener(
const std::string &key, ConfigListener *listener)
{
mListenerMap[key].remove(listener);
}
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