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