Chris Danford
83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
#include "global.h"
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "SongCacheIndex.h"
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#include "RageLog.h"
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#include "RageUtil.h"
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#include "song.h"
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#include "arch/arch.h"
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#define CACHE_DIR BASE_PATH "Cache" SLASH
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SongCacheIndex *SONGINDEX;
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SongCacheIndex::SongCacheIndex()
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{
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CreateDirectories( CACHE_DIR "Songs" );
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CacheIndex.SetPath( CACHE_DIR "index.cache" );
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ReadCacheIndex();
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}
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SongCacheIndex::~SongCacheIndex()
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{
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}
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static void EmptyDir( CString dir )
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{
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#ifdef _XBOX
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ASSERT(dir[dir.size()-1] == '\\');
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#else
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ASSERT(dir[dir.size()-1] == '/');
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#endif
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CStringArray asCacheFileNames;
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GetDirListing( dir, asCacheFileNames );
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for( unsigned i=0; i<asCacheFileNames.size(); i++ )
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{
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if( !IsADirectory(dir + asCacheFileNames[i]) )
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remove( dir + asCacheFileNames[i] );
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}
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}
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void SongCacheIndex::ReadCacheIndex()
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{
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CacheIndex.ReadFile(); // don't care if this fails
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int iCacheVersion;
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CacheIndex.GetValue( "Cache", "CacheVersion", iCacheVersion );
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if( iCacheVersion == FILE_CACHE_VERSION )
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return; /* OK */
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LOG->Trace( "Cache format is out of date. Deleting all cache files." );
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EmptyDir( CACHE_DIR );
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EmptyDir( CACHE_DIR "Banners" SLASH );
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EmptyDir( CACHE_DIR "Songs" SLASH );
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CacheIndex.Reset();
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}
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void SongCacheIndex::AddCacheIndex(const CString &path, unsigned hash)
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{
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CacheIndex.SetValue( "Cache", "CacheVersion", FILE_CACHE_VERSION );
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CacheIndex.SetValue( "Cache", MangleName(path), hash );
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CacheIndex.WriteFile();
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}
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unsigned SongCacheIndex::GetCacheHash( const CString &path ) const
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{
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unsigned iDirHash;
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CacheIndex.GetValue( "Cache", MangleName(path), iDirHash );
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return iDirHash;
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}
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CString SongCacheIndex::MangleName( const CString &Name )
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{
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/* We store paths in an INI. We can't store '='. */
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CString ret = Name;
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ret.Replace( "=", "");
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return ret;
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}
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