Allow the use of synonyms in settings. Refactor settings.

Remove a bunch of obsolete/unused code.

depends/settings/inifile.cpp

@@ -0,0 +1,106 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "inifile.h"
+
+#include <QFile>
+#include <QTextStream>
+#include <QStringList>
+
+INIFile::INIFile()
+{
+}
+
+QString INIFile::unescape(QString orig)
+{
+	orig.replace("\\n", "\n");
+	orig.replace("\\t", "\t");
+	orig.replace("\\\\", "\\");
+	return orig;
+}
+QString INIFile::escape(QString orig)
+{
+	orig.replace("\\", "\\\\");
+	orig.replace("\n", "\\n");
+	orig.replace("\t", "\\t");
+	return orig;
+}
+
+bool INIFile::saveFile(QString fileName)
+{
+	// TODO Handle errors.
+	QFile file(fileName);
+	file.open(QIODevice::WriteOnly);
+	QTextStream out(&file);
+	out.setCodec("UTF-8");
+
+	for (Iterator iter = begin(); iter != end(); iter++)
+	{
+		QString value = iter.value().toString();
+		value = escape(value);
+		out << iter.key() << "=" << value << "\n";
+	}
+
+	return true;
+}
+
+bool INIFile::loadFile(QString fileName)
+{
+	QFile file(fileName);
+	if (!file.open(QIODevice::ReadOnly))
+		return false;
+	bool success = loadFile(file.readAll());
+	file.close();
+	return success;
+}
+bool INIFile::loadFile(QByteArray file)
+{
+	QTextStream in(file);
+	in.setCodec("UTF-8");
+
+	QStringList lines = in.readAll().split('\n');
+	for (int i = 0; i < lines.count(); i++)
+	{
+		QString &lineRaw = lines[i];
+		// Ignore comments.
+		QString line = lineRaw.left(lineRaw.indexOf('#')).trimmed();
+
+		int eqPos = line.indexOf('=');
+		if (eqPos == -1)
+			continue;
+		QString key = line.left(eqPos).trimmed();
+		QString valueStr = line.right(line.length() - eqPos - 1).trimmed();
+
+		valueStr = unescape(valueStr);
+
+		QVariant value(valueStr);
+		this->operator[](key) = value;
+	}
+
+	return true;
+}
+
+QVariant INIFile::get(QString key, QVariant def) const
+{
+	if (!this->contains(key))
+		return def;
+	else
+		return this->operator[](key);
+}
+
+void INIFile::set(QString key, QVariant val)
+{
+	this->operator[](key) = val;
+}