smsvn -> ssc-hg glue: rearrange directory structure

src/RageUtil_FileDB.h

@@ -0,0 +1,167 @@
+/* FilenameDB - A container for a file listing. */
+
+#ifndef RAGE_UTIL_FILEDB
+#define RAGE_UTIL_FILEDB
+
+#include <set>
+#include <map>
+#include "RageTimer.h"
+#include "RageThreads.h"
+#include "RageFileManager.h"
+
+struct FileSet;
+struct File
+{
+	RString name;
+	RString lname;
+
+	void SetName( const RString &fn )
+	{
+		name = fn;
+		lname = name;
+		lname.MakeLower();
+	}
+	
+	bool dir;
+	int size;
+	/* Modification time of the file.  The contents of this is undefined, except that
+	 * when the file has been modified, this value will change. */
+	int hash;
+
+	/* Private data, for RageFileDrivers. */
+	void *priv;
+
+	/* If this is non-NULL, and dir is true, this is a pointer to the FileSet containing
+	 * the directory contents.  (This is a cache; it isn't always set.) */
+	const FileSet *dirp;
+
+	File() { dir=false; dirp=NULL; size=-1; hash=-1; priv=NULL;}
+	File( const RString &fn )
+	{
+		SetName( fn );
+		dir=false; size=-1; hash=-1; priv=NULL; dirp=NULL;
+	}
+	
+	bool operator== (const File &rhs) const { return lname==rhs.lname; }
+	bool operator< (const File &rhs) const { return lname<rhs.lname; }
+
+	bool equal(const File &rhs) const { return lname == rhs.lname; }
+	bool equal(const RString &rhs) const
+	{
+		RString l = rhs;
+		l.MakeLower();
+		return lname == l;
+	}
+};
+
+/* This represents a directory. */
+struct FileSet
+{
+	set<File> files;
+	RageTimer age;
+
+	/*
+	 * If m_bFilled is false, this FileSet hasn't completed being filled in yet; it's
+	 * owned by the thread filling it in.  Wait on FilenameDB::m_Mutex and retry until
+	 * it becomes true.
+	 */
+	bool m_bFilled;
+
+	FileSet() { m_bFilled = true; }
+
+	void GetFilesMatching(
+		const RString &sBeginning, const RString &sContaining, const RString &sEnding,
+		vector<RString> &asOut, bool bOnlyDirs ) const;
+	void GetFilesEqualTo( const RString &pat, vector<RString> &out, bool bOnlyDirs ) const;
+
+	RageFileManager::FileType GetFileType( const RString &sPath ) const;
+	int GetFileSize( const RString &sPath ) const;
+	int GetFileHash( const RString &sPath ) const;
+};
+
+class FilenameDB
+{
+public:
+	FilenameDB():
+		m_Mutex("FilenameDB"), ExpireSeconds( -1 ) { }
+	virtual ~FilenameDB() { FlushDirCache(); }
+
+	void AddFile( const RString &sPath, int iSize, int iHash, void *pPriv=NULL );
+	void DelFile( const RString &sPath );
+	void *GetFilePriv( const RString &sPath );
+
+	/* This handles at most two * wildcards.  If we need anything more complicated,
+	 * we'll need to use fnmatch or regex. */
+	void GetFilesSimpleMatch( const RString &sDir, const RString &sFile, vector<RString> &asOut, bool bOnlyDirs );
+
+	/* Search for "path" case-insensitively and replace it with the correct
+	 * case.  If only a portion of the path exists, resolve as much as possible.
+	 * Return true if the entire path was matched. */
+	bool ResolvePath( RString &sPath );
+
+	RageFileManager::FileType GetFileType( const RString &sPath );
+	int GetFileSize( const RString &sPath );
+	int GetFileHash( const RString &sFilePath );
+	void GetDirListing( const RString &sPath, vector<RString> &asAddTo, bool bOnlyDirs, bool bReturnPathToo );
+
+	void FlushDirCache( const RString &sDir = RString() );
+
+	void GetFileSetCopy( const RString &dir, FileSet &out );
+	/* Probably slow, so override it. */
+	virtual void CacheFile( const RString &sPath );
+
+protected:
+	RageEvent m_Mutex;
+	
+	const File *GetFile( const RString &sPath );
+	FileSet *GetFileSet( const RString &sDir, bool create=true );
+
+	/* Directories we have cached: */
+	map<RString, FileSet *> dirs;
+
+	int ExpireSeconds;
+
+	void GetFilesEqualTo( const RString &sDir, const RString &sName, vector<RString> &asOut, bool bOnlyDirs );
+	void GetFilesMatching( const RString &sDir,
+		const RString &sBeginning, const RString &sContaining, const RString &sEnding, 
+		vector<RString> &asOut, bool bOnlyDirs );
+	void DelFileSet( map<RString, FileSet *>::iterator dir );
+
+	/* The given path wasn't cached.  Cache it. */
+	virtual void PopulateFileSet( FileSet &fs, const RString &sPath ) { }
+};
+
+/* This FilenameDB must be populated in advance. */
+class NullFilenameDB: public FilenameDB
+{
+public:
+	NullFilenameDB() { ExpireSeconds = -1; }
+	void CacheFile( const RString &sPath ) { }
+};
+
+#endif
+
+/*
+ * Copyright (c) 2003-2004 Glenn Maynard
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */