push song searching into a function

stepmania/src/Course.cpp

@@ -51,7 +51,66 @@ Course::Course()
 		}
 }
 
-void Course::LoadFromCRSFile( CString sPath, vector<Song*> &apSongs )
+/*
+ * GetSongDir() contains a path to the song, possibly a full path, eg:
+ * Songs\Group\SongName                   or 
+ * My Other Song Folder\Group\SongName    or
+ * c:\Corny J-pop\Group\SongName
+ *
+ * Most course group names are "Group\SongName", so we want to
+ * match against the last two elements. Let's also support
+ * "SongName" alone, since the group is only important when it's
+ * potentially ambiguous.
+ *
+ * Let's *not* support "Songs\Group\SongName" in course files.
+ * That's probably a common error, but that would result in
+ * course files floating around that only work for people who put
+ * songs in "Songs"; we don't want that.
+ */
+
+Song *Course::FindSong(CString sSongDir)
+{
+	const vector<Song*> &apSongs = SONGMAN->GetAllSongs();
+
+	CStringArray split_SongDir;
+	sSongDir.Replace("\\", "/");
+	split( sSongDir, "/", split_SongDir, true );
+
+	if( split_SongDir.size() > 2 )
+	{
+		LOG->Warn( "Course file \"%s\" path \"%s\" should contain "
+					"at most one backslash; ignored.",
+				    m_sPath.GetString(), sSongDir.GetString());
+		return NULL;
+	}
+
+	// foreach song
+	for( unsigned i = 0; i < apSongs.size(); i++ )
+	{
+		CString dir = apSongs[i]->GetSongDir();
+		dir.Replace("\\", "/");
+		CStringArray splitted; /* splat! */
+		split( dir, "/", splitted, true );
+		bool matches = true;
+		
+		int split_no = splitted.size()-1;
+		int SongDir_no = split_SongDir.size()-1;
+
+		while( split_no >= 0 && SongDir_no >= 0 ) {
+			if( stricmp(splitted[split_no--], split_SongDir[SongDir_no--] ) )
+				matches=false;
+		}
+
+		if(matches)
+			return apSongs[i];
+	}
+
+	LOG->Trace( "Course \"%s\": couldn't match song \"%s\"",
+			    m_sPath.GetString(), sSongDir.GetString());
+	return NULL;
+}
+
+void Course::LoadFromCRSFile( CString sPath )
 {
 	m_sPath = sPath;	// save path
 
@@ -105,55 +164,8 @@ void Course::LoadFromCRSFile( CString sPath, vector<Song*> &apSongs )
 			    continue;
 			}
 
-			/* GetSongDir() contains a path to the song, possibly a full path, eg:
-			 * Songs\Group\SongName                   or 
-			 * My Other Song Folder\Group\SongName    or
-			 * c:\Corny J-pop\Group\SongName
-			 *
-			 * Most course group names are "Group\SongName", so we want to
-			 * match against the last two elements. Let's also support
-			 * "SongName" alone, since the group is only important when it's
-			 * potentially ambiguous.
-			 *
-			 * Let's *not* support "Songs\Group\SongName" in course files.
-			 * That's probably a common error, but that would result in
-			 * course files floating around that only work for people who put
-			 * songs in "Songs"; we don't want that.
-			 */
+			Song *pSong = FindSong(sSongDir);
 
-			CStringArray split_SongDir;
-			sSongDir.Replace("\\", "/");
-			split( sSongDir, "/", split_SongDir, true );
-
-			if( split_SongDir.size() > 2 )
-			{
-			    LOG->Warn( "Course file \"%s\" path \"%s\" should contain "
-						   "at most one backslash; ignored.",
-				           (const char *) sPath, (const char *) sSongDir);
-			    continue;
-			}
-
-			Song *pSong = NULL;
-			// foreach song
-			for( unsigned i = 0; pSong == NULL && i < apSongs.size(); i++ )
-			{
-				CString dir = apSongs[i]->GetSongDir();
-				dir.Replace("\\", "/");
-				CStringArray splitted;
-				split( dir, "/", splitted, true );
-				bool matches = true;
-				
-				int split_no = splitted.size()-1;
-				int SongDir_no = split_SongDir.size()-1;
-
-				while( split_no >= 0 && SongDir_no >= 0 ) {
-				    if( stricmp(splitted[split_no--], split_SongDir[SongDir_no--] ) )
-						matches=false;
-				}
-
-				if(matches)
-					pSong = apSongs[i];
-			}
 			if( pSong == NULL )	// we didn't find the Song
 				continue;	// skip this song
 			

stepmania/src/Course.h

@@ -49,7 +49,7 @@ public:
 	void GetSongOptions( SongOptions* pSO_out) const;
 	int GetNumStages() const;
 
-	void LoadFromCRSFile( CString sPath, vector<Song*> &apSongs );
+	void LoadFromCRSFile( CString sPath );
 	void CreateEndlessCourseFromGroupAndDifficulty( CString sGroupName, Difficulty dc, vector<Song*> &apSongsInGroup );
 	void AddStage( Song* pSong, CString sDescription, CString sModifiers );
 
@@ -77,6 +77,7 @@ public:
 
 private:
 	void Shuffle();
+	Song *FindSong(CString sSongDir);
 };
 
 

stepmania/src/SongManager.cpp

@@ -44,6 +44,10 @@ RageColor g_ExtraColor;
 
 SongManager::SongManager( LoadingWindow *ld )
 {
+	/* We initialize things that assume they can get at SONGMAN; we only
+	 * init one of these, so hook us up to it immediately. */
+	SONGMAN = this;
+
 	g_vGroupColors.clear();
 	for( int i=0; i<NUM_GROUP_COLORS; i++ )
 		g_vGroupColors.push_back( GROUP_COLOR(i) );
@@ -427,7 +431,7 @@ void SongManager::InitCoursesFromDisk()
 	for( unsigned i=0; i<saCourseFiles.size(); i++ )
 	{
 		Course* pCourse = new Course;
-		pCourse->LoadFromCRSFile( saCourseFiles[i], m_pSongs );
+		pCourse->LoadFromCRSFile( saCourseFiles[i] );
 		if( pCourse->GetNumStages() > 0 )
 			m_pCourses.push_back( pCourse );
 		else
@@ -549,7 +553,7 @@ bool SongManager::GetExtraStageInfoFromCourse( bool bExtra2, CString sPreferredG
 	}	
 
 	Course course;
-	course.LoadFromCRSFile( sCoursePath, m_pSongs );
+	course.LoadFromCRSFile( sCoursePath );
 	if( course.GetNumStages() <= 0 ) return false;
 
 	pSongOut = course.GetSong(0);