improved cue parser (patch by Evgeny Gleyzerman) (Closes issue 375)

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@2019 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 51 insertions, 2 deletions

diff --git a/src/plugins/Input/cue/cueparser.cpp b/src/plugins/Input/cue/cueparser.cpp
index c21276229..3cb308ef5 100644
--- a/src/plugins/Input/cue/cueparser.cpp
+++ b/src/plugins/Input/cue/cueparser.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
- *   Copyright (C) 2008-2010 by Ilya Kotov                                 *
+ *   Copyright (C) 2008-2011 by Ilya Kotov                                 *
  *   forkotov02@hotmail.ru                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
@@ -20,6 +20,7 @@
 
 #include <QFile>
 #include <QDir>
+#include <QDirIterator>
 #include <QSettings>
 #include <QTextStream>
 #include <QTextCodec>
@@ -44,6 +45,7 @@ CUEParser::CUEParser(const QString &fileName)
     QTextCodec *codec = QTextCodec::codecForName(settings.value("encoding","ISO-8859-1").toByteArray ());
     if(!codec)
         codec = QTextCodec::codecForName("UTF-8");
+    m_dirty = settings.value("dirty_cue", false).toBool();
 #ifdef WITH_ENCA
     EncaAnalyser analyser = 0;
     if(settings.value("use_enca", false).toBool())
@@ -88,7 +90,7 @@ CUEParser::CUEParser(const QString &fileName)
                 else
                     m_infoList.last().setLength(0);
             }
-            file_path = QFileInfo(fileName).dir().filePath(words[1]);
+            file_path = getDirtyPath(fileName, QFileInfo(fileName).dir().filePath(words[1]));
             new_file = true;
         }
 
@@ -247,3 +249,50 @@ qint64 CUEParser::getLength(const QString &str)
         return (qint64)list.at(0).toInt()*60000 + list.at(1).toInt()*1000 + list.at(2).toInt()*1000/75;
     return 0;
 }
+
+QString CUEParser::getDirtyPath(const QString &cue, const QString &path)
+{
+
+    if (Decoder::findByPath(path) || ! m_dirty)
+        return path;
+
+    QStringList candidates;
+    QDirIterator it(QFileInfo(path).dir().path(), QDir::Files);
+    while (it.hasNext())
+    {
+        it.next();
+        QString f = it.filePath();
+        if ((f != cue) && Decoder::findByPath(f))
+            candidates.push_back(f);
+    }
+
+    if (candidates.empty())
+        return path;
+    else if (candidates.count() == 1)
+        return candidates.first();
+
+    int dot = cue.lastIndexOf('.');
+    if (dot != -1)
+    {
+        QRegExp r(QRegExp::escape(cue.left(dot)) + "\\.[^\\.]+$");
+
+        int index = candidates.indexOf(r);
+        int rindex = candidates.lastIndexOf(r);
+
+        if ((index != -1) && (index == rindex))
+            return candidates[index];
+    }
+    dot = path.lastIndexOf('.');
+    if (dot != -1)
+    {
+        QRegExp r(QRegExp::escape(path.left(dot)) + "\\.[^\\.]+$");
+
+        int index = candidates.indexOf(r);
+        int rindex = candidates.lastIndexOf(r);
+
+        if ((index != -1) && (index == rindex))
+            return candidates[index];
+    }
+
+    return path;
+}