1 files changed, 202 insertions, 0 deletions
diff --git a/src/configuration.cpp b/src/configuration.cpp
new file mode 100644
index 00000000..703d2c20
--- /dev/null
+++ b/src/configuration.cpp
@@ -0,0 +1,202 @@
+/*
+ *  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 "log.h"
+//#include "main.h"
+
+#include <math.h>
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+#include <libxml/xmlwriter.h>
+#include "utils/logger.h"
+
+// MSVC libxml2 at the moment doesn't work right when using MinGW, missing this
+// function at link time.
+#ifdef WIN32
+#undef xmlFree
+#define xmlFree(x) ;
+#endif
+
+ConfigListener::~ConfigListener()
+{
+}
+
+void Configuration::init(const std::string &filename)
+{
+    configPath = filename;
+
+    // Do not attempt to read config from non-existant file
+    FILE *testFile = fopen(configPath.c_str(), "r");
+    if (!testFile) {
+        return;
+    }
+    else {
+        fclose(testFile);
+    }
+
+    xmlDocPtr doc = xmlReadFile(filename.c_str(), NULL, 0);
+
+    if (!doc) return;
+
+    xmlNodePtr node = xmlDocGetRootElement(doc);
+
+    if (!node || !xmlStrEqual(node->name, BAD_CAST "configuration")) {
+	LOG_WARN("Warning: No configuration file (" << filename.c_str() << ")")
+        return;
+    }
+
+    for (node = node->xmlChildrenNode; node != NULL; node = node->next)
+    {
+        if (xmlStrEqual(node->name, BAD_CAST "option"))
+        {
+            xmlChar *name = xmlGetProp(node, BAD_CAST "name");
+            xmlChar *value = xmlGetProp(node, BAD_CAST "value");
+
+            if (name && value) {
+                options[std::string((const char*)name)] =
+                    std::string((const char*)value);
+            }
+
+            if (name) xmlFree(name);
+            if (value) xmlFree(value);
+        }
+    }
+
+    xmlFreeDoc(doc);
+}
+
+void Configuration::write()
+{
+    // Do not attempt to write to file that cannot be opened for writing
+    FILE *testFile = fopen(configPath.c_str(), "w");
+    if (!testFile) {
+        return;
+    }
+    else {
+        fclose(testFile);
+    }
+
+    xmlTextWriterPtr writer = xmlNewTextWriterFilename(configPath.c_str(), 0);
+
+    if (writer)
+    {
+        xmlTextWriterSetIndent(writer, 1);
+        xmlTextWriterStartDocument(writer, NULL, NULL, NULL);
+        xmlTextWriterStartElement(writer, BAD_CAST "configuration");
+
+        std::map<std::string, std::string>::iterator iter;
+
+        for (iter = options.begin(); iter != options.end(); iter++)
+        {
+	    //logger->log("Configuration::write(%s, \"%s\")",
+	    //iter->first.c_str(), iter->second.c_str());
+
+            xmlTextWriterStartElement(writer, BAD_CAST "option");
+            xmlTextWriterWriteAttribute(writer,
+                    BAD_CAST "name", BAD_CAST iter->first.c_str());
+            xmlTextWriterWriteAttribute(writer,
+                    BAD_CAST "value", BAD_CAST iter->second.c_str());
+            xmlTextWriterEndElement(writer);
+        }
+
+        xmlTextWriterEndDocument(writer);
+        xmlFreeTextWriter(writer);
+    }
+}
+
+void Configuration::setValue(const std::string &key, std::string value)
+{
+#ifdef __DEBUG
+    std::cout << "Configuration::setValue(" << key << ", " << value << ")\n";
+#endif
+    options[key] = value;
+
+    // Notify listeners
+    std::map<std::string, std::list<ConfigListener*> >::iterator list =
+        listeners.find(key);
+
+    if (list != listeners.end()) {
+        std::list<ConfigListener*>::iterator listener = (*list).second.begin();
+
+        while (listener != (*list).second.end())
+        {
+            (*listener)->optionChanged(key);
+            listener++;
+        }
+    }
+}
+
+void Configuration::setValue(const std::string &key, float value)
+{
+    std::stringstream ss;
+    if (value == floor(value)) {
+        ss << (int)value;
+    } else {
+        ss << value;
+    }
+    setValue(key, ss.str());
+}
+
+std::string Configuration::getValue(const std::string &key, std::string deflt)
+{
+    std::map<std::string, std::string>::iterator iter = options.find(key);
+    if (iter != options.end()) {
+        return (*iter).second;
+    }
+    return deflt;
+}
+
+float Configuration::getValue(const std::string &key, float deflt)
+{
+    std::map<std::string, std::string>::iterator iter = options.find(key);
+    if (iter != options.end()) {
+        return atof((*iter).second.c_str());
+    }
+    return deflt;
+}
+
+void Configuration::addListener(
+        const std::string &key, ConfigListener *listener)
+{
+    listeners[key].push_front(listener);
+}
+
+void Configuration::removeListener(
+        const std::string &key, ConfigListener *listener)
+{
+    std::list<ConfigListener*>::iterator i = listeners[key].begin();
+
+    while (i != listeners[key].end())
+    {
+        if ((*i) == listener) {
+            listeners[key].erase(i);
+            return;
+        }
+        i++;
+    }
+}