added metadata formatter

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1389 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 98 insertions, 0 deletions

diff --git a/src/qmmpui/metadataformatter.cpp b/src/qmmpui/metadataformatter.cpp
new file mode 100644
index 000000000..9a055f4e9
--- /dev/null
+++ b/src/qmmpui/metadataformatter.cpp
@@ -0,0 +1,98 @@
+/***************************************************************************
+ *   Copyright (C) 2009 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   This program 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     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program 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 this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+
+/*
+Syntax:
+%p - artist
+%a - album
+%t - title
+%n - track,
+%NN - 2-digit track
+%g - genre
+%c - comment
+%C - composer
+%D - disc number
+%f - file name
+%F - full path
+%y - year
+%if(A,B,C)
+%if(A&B&C,D,E)
+*/
+
+#include <QStringList>
+#include <QUrl>
+#include "metadataformatter.h"
+
+MetaDataFormatter::MetaDataFormatter(const QString &format)
+{
+    m_format = format;
+}
+
+QString MetaDataFormatter::parse(const QMap<Qmmp::MetaData, QString> metaData)
+{
+    QString title = m_format;
+    title.replace("\\(", "%28");
+    title.replace("\\)", "%29");
+    title.replace(")", "%)");
+    title.replace("&", "%&");
+    title.replace("%p", metaData[Qmmp::ARTIST]);
+    title.replace("%a", metaData[Qmmp::ALBUM]);
+    title.replace("%t", metaData[Qmmp::TITLE]);
+    title.replace("%n", metaData[Qmmp::TRACK]);
+    title.replace("%NN", QString("%1").arg(metaData[Qmmp::TRACK],2,'0'));
+    title.replace("%g", metaData[Qmmp::GENRE]);
+    title.replace("%c", metaData[Qmmp::COMMENT]);
+    title.replace("%C", metaData[Qmmp::COMPOSER]);
+    title.replace("%D", metaData[Qmmp::DISCNUMBER]);
+    title.replace("%f", metaData[Qmmp::URL].section('/',-1));
+    title.replace("%F", metaData[Qmmp::URL]);
+    title.replace("%y", metaData[Qmmp::YEAR]);
+
+    if(title.contains("%if"))
+        title = processIfKeyWord(title);
+    title.replace("%28", "(");
+    title.replace("%29", ")");
+    return title;
+}
+
+QString MetaDataFormatter::processIfKeyWord(QString title)
+{
+    int pos = title.indexOf("%if(");
+    int size = title.indexOf("%)",pos) - pos;
+
+    QStringList args = title.mid (pos + 4, size - 4).split(",");
+    if(args.count() < 3)
+    {
+        qWarning("TitleFormatter: invalid title format");
+        return title;
+    }
+    //process condition
+    bool cond = TRUE;
+    foreach(QString arg, args.at(0).split("%&"))
+    {
+        cond &= !arg.isEmpty();
+    }
+    QString r_str = cond ? args.at(1) : args.at(2);
+    title.replace (pos, size + 2, r_str);
+    if(title.contains("%if"))
+        return processIfKeyWord(title);
+    return title;
+}