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openmw-tes3mp/components/config/settingsbase.hpp

111 lines
2.9 KiB
C++

#ifndef SETTINGSBASE_HPP
#define SETTINGSBASE_HPP
#include <QTextStream>
#include <QStringList>
#include <QString>
#include <QRegExp>
#include <QMap>
namespace Config
{
template <class Map>
class SettingsBase
{
public:
SettingsBase() { mMultiValue = false; }
~SettingsBase() {}
inline QString value(const QString &key, const QString &defaultValue = QString()) const
{
return mSettings.value(key).isEmpty() ? defaultValue : mSettings.value(key);
}
inline void setValue(const QString &key, const QString &value)
{
QStringList values = mSettings.values(key);
if (!values.contains(value))
mSettings.insert(key, value);
}
inline void setMultiValue(const QString &key, const QString &value)
{
QStringList values = mSettings.values(key);
if (!values.contains(value))
mSettings.insertMulti(key, value);
}
inline void setMultiValueEnabled(bool enable)
{
mMultiValue = enable;
}
inline void remove(const QString &key)
{
mSettings.remove(key);
}
Map getSettings() const {return mSettings;}
bool readFile(QTextStream &stream)
{
Map cache;
QString sectionPrefix;
QRegExp sectionRe("^\\[([^]]+)\\]");
QRegExp keyRe("^([^=]+)\\s*=\\s*(.+)$");
while (!stream.atEnd()) {
QString line = stream.readLine();
if (line.isEmpty() || line.startsWith("#"))
continue;
if (sectionRe.exactMatch(line)) {
sectionPrefix = sectionRe.cap(1);
sectionPrefix.append("/");
continue;
}
if (keyRe.indexIn(line) != -1) {
QString key = keyRe.cap(1).trimmed();
QString value = keyRe.cap(2).trimmed();
if (!sectionPrefix.isEmpty())
key.prepend(sectionPrefix);
mSettings.remove(key);
QStringList values = cache.values(key);
if (!values.contains(value)) {
if (mMultiValue) {
cache.insertMulti(key, value);
} else {
cache.insert(key, value);
}
}
}
}
if (mSettings.isEmpty()) {
mSettings = cache; // This is the first time we read a file
return true;
}
// Merge the changed keys with those which didn't
mSettings.unite(cache);
return true;
}
private:
Map mSettings;
bool mMultiValue;
};
}
#endif // SETTINGSBASE_HPP