1 files changed, 317 insertions, 0 deletions
diff --git a/public/tier2/fileutils.h b/public/tier2/fileutils.h
new file mode 100644
index 0000000..d349836
--- /dev/null
+++ b/public/tier2/fileutils.h
@@ -0,0 +1,317 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: A higher level link library for general use in the game and tools.
+//
+//===========================================================================//
+
+
+#ifndef FILEUTILS_H
+#define FILEUTILS_H
+
+#if defined( _WIN32 )
+#pragma once
+#endif
+
+#ifndef TIER2_H
+#include "tier2/tier2.h"
+#endif
+
+#ifndef FILESYSTEM_H
+#include "filesystem.h"
+#endif
+
+#include "tier0/platform.h"
+
+// Builds a directory which is a subdirectory of the current mod
+void GetModSubdirectory( const char *pSubDir, char *pBuf, int nBufLen );
+
+// Builds a directory which is a subdirectory of the current mod's *content*
+void GetModContentSubdirectory( const char *pSubDir, char *pBuf, int nBufLen );
+
+// Generates a filename under the 'game' subdirectory given a subdirectory of 'content'
+void ComputeModFilename( const char *pContentFileName, char *pBuf, size_t nBufLen );
+
+// Generates a filename under the 'content' subdirectory given a subdirectory of 'game'
+void ComputeModContentFilename( const char *pGameFileName, char *pBuf, size_t nBufLen );
+
+// Builds a list of all files under a directory with a particular extension
+void AddFilesToList( CUtlVector< CUtlString > &list, const char *pDirectory, const char *pPath, const char *pExtension );
+
+// Returns the search path as a list of paths
+void GetSearchPath( CUtlVector< CUtlString > &path, const char *pPathID );
+
+// Given file name generate a full path using the following rules.
+// 1. if its full path already return
+// 2. if its a relative path try to find it under the path id
+// 3. if find fails treat relative path as relative to the current dir
+bool GenerateFullPath( const char *pFileName, char const *pPathID, char *pBuf, int nBufLen );
+
+
+// Generates a .360 file if it doesn't exist or is out of sync with the pc source file
+#define UOC_FAIL		-1
+#define UOC_NOT_CREATED	0
+#define UOC_CREATED		1
+typedef bool ( *CreateCallback_t )( const char *pSourceName, const char *pTargetName, const char *pPathID, void *pExtraData );
+int UpdateOrCreate( const char *pSourceName, char *pTargetName, int targetLen, const char *pPathID, CreateCallback_t pfnCreate, bool bForce = false, void *pExtraData = NULL );
+
+char *CreateX360Filename( const char *pSourceName, char *pTargetName, int targetLen );
+
+FORCEINLINE const char *AdjustFileExtensionForPlatform( const char *pSourceName, char *pTargetName, int targetLen )
+{
+#ifdef PLATFORM_X360
+	return CreateX360Filename( pSourceName, pTargetName, targetLen );
+#else
+	return pSourceName;
+#endif
+}
+
+// simple file classes. File I/O mode (text/binary, read/write) is based upon the subclass chosen.
+// classes with the word Required on them abort with a message if the file can't be opened.
+// destructores close the file handle, or it can be explicitly closed with the Close() method.
+
+class CBaseFile
+{
+public:
+	FileHandle_t m_FileHandle;
+
+	CBaseFile(void)
+	{
+		m_FileHandle = FILESYSTEM_INVALID_HANDLE;
+	}
+
+	~CBaseFile( void )
+	{
+		Close();
+	}
+
+	FileHandle_t Handle( void ) const
+	{
+		return m_FileHandle;
+	}
+
+	void Close( void )
+	{
+		if ( m_FileHandle != FILESYSTEM_INVALID_HANDLE )
+			g_pFullFileSystem->Close( m_FileHandle );
+		m_FileHandle = FILESYSTEM_INVALID_HANDLE;
+	}
+
+	void Open( char const *fname, char const *modes )
+	{
+		Close();
+		m_FileHandle = g_pFullFileSystem->Open( fname, modes );
+	}
+
+	char *ReadLine( char *pOutput, int maxChars )
+	{
+		return g_pFullFileSystem->ReadLine( pOutput, maxChars, m_FileHandle );
+	}
+
+	// read every line of the file into a vector of strings
+	void ReadLines( CUtlStringList &sList, int nMaxLineLength = 2048 );
+
+	int Read( void* pOutput, int size )
+	{
+		return g_pFullFileSystem->Read( pOutput, size, m_FileHandle );
+	}
+
+	void MustRead( void* pOutput, int size )
+	{
+		int ret=Read( pOutput, size );
+		if (ret != size )
+			Error("failed to read %d bytes\n", size );
+	}
+	
+	int Write( void const* pInput, int size)
+	{
+		return g_pFullFileSystem->Write( pInput, size, m_FileHandle );
+	}
+
+
+	// {Get|Put}{Int|Float} read and write ints and floats from a file in x86 order, swapping on
+	// input for big-endian systems.
+	void PutInt( int n )
+	{
+		int n1=LittleDWord( n );
+		Write(&n1, sizeof( n1 ) );
+	}
+
+	int GetInt( void )
+	{
+		int ret;
+		MustRead( &ret, sizeof( ret ));
+		return LittleDWord( ret );
+	}
+
+	float GetFloat( void )
+	{
+		float ret;
+		MustRead( &ret, sizeof( ret ));
+		LittleFloat( &ret, &ret );
+		return ret;
+	}
+	void PutFloat( float f )
+	{
+		LittleFloat( &f, &f );
+		Write( &f, sizeof( f ) );
+	}
+
+	bool IsOk( void )
+	{
+		return ( m_FileHandle != FILESYSTEM_INVALID_HANDLE) &&
+			( g_pFullFileSystem->IsOk( m_FileHandle ) );
+	}
+
+	void Seek( int pos, FileSystemSeek_t nSeekType = FILESYSTEM_SEEK_HEAD )
+	{
+		g_pFullFileSystem->Seek( m_FileHandle, pos, nSeekType );
+	}
+
+	unsigned int Tell()
+	{
+		return g_pFullFileSystem->Tell( m_FileHandle );
+	}
+
+	unsigned int Size( void )
+	{
+		Assert( IsOk() );
+		return g_pFullFileSystem->Size( m_FileHandle );
+	}
+
+	void ReadFile( CUtlBuffer &dataBuf );
+};
+
+class COutputFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "wb" );
+	}
+
+	COutputFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+
+	COutputFile( void ) : CBaseFile()
+	{
+	}
+};
+
+class COutputTextFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "w" );
+	}
+
+	COutputTextFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+
+	COutputTextFile( void ) : CBaseFile()
+	{
+	}
+};
+
+class CAppendTextFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "a+" );
+	}
+
+	CAppendTextFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+
+	CAppendTextFile( void ) : CBaseFile()
+	{
+	}
+};
+
+class CInputFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "rb" );
+	}
+
+	CInputFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+	CInputFile( void ) : CBaseFile()
+	{
+	}
+};
+
+class CInputTextFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "r" );
+	}
+
+	CInputTextFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+	CInputTextFile( void ) : CBaseFile()
+	{
+	}
+	
+
+};
+
+class CRequiredInputTextFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "r" );
+		if ( ! IsOk() )
+		{
+			Error("error opening required file %s\n", pFname );
+		}
+	}
+
+	CRequiredInputTextFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+	CRequiredInputTextFile( void ) : CBaseFile()
+	{
+	}
+};
+
+class CRequiredInputFile : public CBaseFile
+{
+public:
+	void Open( char const *pFname )
+	{
+		CBaseFile::Open( pFname, "rb" );
+		if ( ! IsOk() )
+		{
+			Error("error opening required file %s\n", pFname );
+		}
+	}
+
+	CRequiredInputFile( char const *pFname ) : CBaseFile()
+	{
+		Open( pFname );
+	}
+	CRequiredInputFile( void ) : CBaseFile()
+	{
+	}
+};
+
+#endif // FILEUTILS_H
+