started working on ini parser

public/tier2/fileformats/ini.h

@@ -3,6 +3,7 @@
 
 #include "tier0/platform.h"
 #include "tier1/utlstring.h"
+#include "tier1/utlvector.h"
 
 abstract_class IINISection
 {
@@ -16,7 +17,7 @@ public:
 abstract_class IINIFile
 {
 public:
-	virtual void GetSection( const char *szSectionName ) = 0;
+	virtual IINISection *GetSection( const char *szSectionName ) = 0;
 };
 
 abstract_class IINIManager

public/tier2/ifilesystem.h

@@ -0,0 +1,78 @@
+#ifndef FILESYSTEM_H
+#define FILESYSTEM_H
+
+#include "iappsystem.h"
+#include "tier0/platform.h"
+
+enum EFileMode
+{
+	FILEMODE_READ = 0x01,
+	FILEMODE_WRITE = 0x02,
+	FILEMODE_APPEND = 0x04,
+};
+
+enum ESeekMode
+{
+	SEEKMODE_RELATIVE_CURRENT,
+	SEEKMODE_RELATIVE_START,
+	SEEKMODE_RELATIVE_END,
+};
+
+abstract_class IFileSystem;
+
+class IFileHandle
+{
+public:
+	IFileSystem *m_pFileSystem;
+
+	size_t Write( const void *pData, size_t nDataSize );
+	size_t Read( void *pData, size_t nDataSize );
+	size_t Seek( ESeekMode eSeekMode, size_t nOffset );
+	size_t Tell( void );
+	size_t Size( void );
+	void Close( void );
+
+
+};
+
+
+//----------------------------------------------------------------------------
+// IFileSystem is an app system which manages files, could have different 
+// file systems etc. Because of that there is base file system which manages 
+// others. PAK files are opened first, then mounted stuff comes second and 
+// host's system last.
+//----------------------------------------------------------------------------
+abstract_class IFileSystem: public IAppSystem
+{
+public:
+	virtual IFileHandle *Open( const char *szFileName, int eOpCode ) = 0;	
+	virtual size_t Write( IFileHandle *pFile, const void *pData, size_t nDataSize ) = 0;
+	virtual size_t Read( IFileHandle *pFile, void *pData, size_t nDataSize ) = 0;
+
+	virtual size_t Seek( IFileHandle *pFile, ESeekMode eSeekMode, size_t nOffset ) = 0;
+	virtual size_t Tell( IFileHandle *pFile ) = 0;
+	virtual size_t Size( IFileHandle *pFile ) = 0;
+
+	virtual void Close( IFileHandle *pFile ) = 0;
+
+	IFileSystem *m_pNext;
+	
+	void RegisterFileSystem();
+};
+
+extern IFileSystem *filesystem;
+extern IFileSystem *g_pFileSystems;
+
+typedef IFileSystem *( *InstantiateFileSystemFn )( void );
+class CFileSystemRegistry
+{
+public:
+	CFileSystemRegistry( InstantiateFileSystemFn fn, const char *szFileSystem );
+};
+
+#define EXPOSE_FILESYSTEM( className, filesystemName ) \
+	static IFileSystem *__Create##className##_filesystem() { return ( IFileSystem* )( new className ); }; \
+	static CFileSystemRegistry __Create##className##_registry( __Create##className##_filesystem, filesystemName );
+
+
+#endif