added metadata formatter

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

5 files changed, 147 insertions, 40 deletions

diff --git a/src/qmmpui/CMakeLists.txt b/src/qmmpui/CMakeLists.txt
index 84b640b7a..595cf4f0c 100644
--- a/src/qmmpui/CMakeLists.txt
+++ b/src/qmmpui/CMakeLists.txt
@@ -39,6 +39,7 @@ SET(libqmmpui_SRCS
     detailsdialog.cpp
     tageditor.cpp
     playlistmanager.cpp
+    metadataformatter.cpp
 )
 
 SET(libqmmpui_MOC_HDRS
@@ -62,6 +63,7 @@ SET(libqmmpui_MOC_HDRS
     detailsdialog.h
     tageditor.h
     playlistmanager.h
+    metadataformatter.h
 )
 
 SET(libqmmpui_DEVEL_HDRS
@@ -81,6 +83,7 @@ SET(libqmmpui_DEVEL_HDRS
     detailsdialog.h
     tageditor.h
     playlistmanager.h
+    metadataformatter.h
 )
 
 
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;
+}
diff --git a/src/qmmpui/metadataformatter.h b/src/qmmpui/metadataformatter.h
new file mode 100644
index 000000000..c826cb499
--- /dev/null
+++ b/src/qmmpui/metadataformatter.h
@@ -0,0 +1,43 @@
+/***************************************************************************
+ *   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.             *
+ ***************************************************************************/
+
+#ifndef METADATAFORMATTER_H
+#define METADATAFORMATTER_H
+
+#include <QString>
+#include <QMap>
+#include <qmmp/qmmp.h>
+
+/*!
+ * @author Ilya Kotov <forkotov02@hotmail.ru>
+ */
+class MetaDataFormatter
+{
+public:
+    MetaDataFormatter(const QString &format);
+    QString parse(const QMap<Qmmp::MetaData, QString> metaData);
+
+private:
+    QString m_format;
+    QString processIfKeyWord(QString title);
+
+};
+
+#endif // METADATAFORMATTER_H
diff --git a/src/qmmpui/playlistitem.cpp b/src/qmmpui/playlistitem.cpp
index 60422aee1..3bb57963a 100644
--- a/src/qmmpui/playlistitem.cpp
+++ b/src/qmmpui/playlistitem.cpp
@@ -21,6 +21,7 @@
 #include <QDir>
 
 #include <qmmp/metadatamanager.h>
+#include "metadataformatter.h"
 #include "playlistsettings.h"
 #include "playlistitem.h"
 
@@ -117,18 +118,8 @@ void PlayListItem::setText(const QString &title)
 
 void PlayListItem::readMetadata()
 {
-    m_title = PlaylistSettings::instance()->format();
-    m_title = printTag(m_title, "%p", artist());
-    m_title = printTag(m_title, "%a", album());
-    m_title = printTag(m_title, "%t", title());
-    m_title = printTag(m_title, "%n", track());
-    m_title = printTag(m_title, "%c", comment());
-    m_title = printTag(m_title, "%C", composer());
-    m_title = printTag(m_title, "%g", genre());
-    m_title = printTag(m_title, "%D", discNumber());
-    m_title = printTag(m_title, "%f", url().section('/',-1));
-    m_title = printTag(m_title, "%F", url());
-    m_title = printTag(m_title, "%y", year ());
+    MetaDataFormatter f(PlaylistSettings::instance()->format());
+    m_title = f.parse(metaData());
     //TODO rewrite this
     if (m_title.isEmpty())
     {
@@ -143,30 +134,3 @@ void PlayListItem::readMetadata()
     if (PlaylistSettings::instance()->convertTwenty())
         m_title.replace("%20", " ");
 }
-
-QString PlayListItem::printTag(QString str, QString regExp, QString tagStr)
-{
-    QString format = PlaylistSettings::instance()->format();
-    if (!tagStr.isEmpty())
-        str.replace(regExp, tagStr);
-    else
-    {
-        //remove unused separators
-        int regExpPos = str.indexOf(regExp);
-        if (regExpPos < 0)
-            return str;
-        int nextPos = str.indexOf("%", regExpPos + 1);
-        if (nextPos < 0)
-        {
-            //last separator
-            regExpPos = format.lastIndexOf(regExp);
-            nextPos = format.lastIndexOf("%", regExpPos - 1);
-            QString lastSep = format.right (format.size() - nextPos - 2);
-            str.remove(lastSep);
-            str.remove(regExp);
-        }
-        else
-            str.remove ( regExpPos, nextPos - regExpPos);
-    }
-    return str;
-}
diff --git a/src/qmmpui/playlistitem.h b/src/qmmpui/playlistitem.h
index 86d89d50d..c1bec3e38 100644
--- a/src/qmmpui/playlistitem.h
+++ b/src/qmmpui/playlistitem.h
@@ -104,7 +104,6 @@ public:
 
 private:
     void readMetadata();
-    QString printTag(QString str, QString regExp, QString tagStr);
     QString m_title;
     FileInfo *m_info;
     bool m_selected;