Clementine-audio-player-Mac.../ext/clementine-tagreader/fmpsparser.h

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine 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 3 of the License, or
(at your option) any later version.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef FMPSPARSER_H
#define FMPSPARSER_H
#include <QRegExp>
#include <QVariantList>
class FMPSParser {
public:
FMPSParser();
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// A FMPS result is a list of lists of values (where a value is a string or
// a float).
typedef QList<QVariantList> Result;
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// Parses a FMPS value and returns true on success.
bool Parse(const QString& data);
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// Gets the result of the last successful Parse.
Result result() const { return result_; }
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// Returns true if result() is empty.
bool is_empty() const { return result().isEmpty() || result()[0].isEmpty(); }
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// Internal functions, public for unit tests
int ParseValue(const QString& data, QVariant* ret) const;
int ParseValueRef(const QStringRef& data, QVariant* ret) const;
int ParseList(const QString& data, QVariantList* ret) const;
int ParseListRef(const QStringRef& data, QVariantList* ret) const;
int ParseListList(const QString& data, Result* ret) const;
int ParseListListRef(const QStringRef& data, Result* ret) const;
private:
QRegExp float_re_;
QRegExp string_re_;
QRegExp escape_re_;
Result result_;
};
#endif // FMPSPARSER_H