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102 lines
2.5 KiB
102 lines
2.5 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: A collection of utility classes to simplify file I/O, and
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// as much as possible contain portability problems. Here avoiding
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// including windows.h.
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//
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//=============================================================================
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#ifndef FILEIO_H
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#define FILEIO_H
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#if defined (_WIN32)
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#else
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#include <sys/types.h>
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#include <sys/stat.h>
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#if !defined( _PS3 )
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#include <signal.h>
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#endif // _PS3
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#endif
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#include "tier0/platform.h"
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#include "tier1/utlstring.h"
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#include "tier1/utllinkedlist.h"
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const int64 k_nMillion = 1000000;
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const int64 k_nThousand = 1000;
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const int64 k_nKiloByte = 1024;
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const int64 k_nMegabyte = k_nKiloByte * k_nKiloByte;
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const int64 k_nGigabyte = k_nMegabyte * k_nKiloByte;
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class CPathString
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{
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public:
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// Constructors: Automatically fixes slashes and removes double slashes when the object is
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// constructed, and then knows how to append magic \\?\ on Windows for unicode paths
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CPathString( const char *pchUTF8Path );
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~CPathString();
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// Gets the path in UTF8
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const char *GetUTF8Path();
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// Gets wchar_t based path, with \\?\ pre-pended (allowing long paths on Win32, should only be used with unicode aware filesystem calls)
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const wchar_t *GetWCharPathPrePended();
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private:
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void PopulateWCharPath();
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char *m_pchUTF8Path;
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wchar_t *m_pwchWideCharPathPrepended;
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};
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#if !defined(_PS3)
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//-----------------------------------------------------------------------------
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// Purpose: Encapsulates watching a directory for file changes
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//-----------------------------------------------------------------------------
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class CDirWatcher
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{
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public:
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CDirWatcher();
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~CDirWatcher();
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// only one directory can be watched at a time
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void SetDirToWatch( const char *pchDir );
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// retrieve any changes
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bool GetChangedFile( CUtlString *psFile );
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#ifdef DBGFLAG_VALIDATE
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void Validate( CValidator &validator, const char *pchName );
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#endif
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private:
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CUtlLinkedList<CUtlString> m_listChangedFiles;
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void *m_hFile;
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void *m_pOverlapped;
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void *m_pFileInfo;
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#ifdef OSX
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public:
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struct timespec m_modTime;
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void AddFileToChangeList( const char *pchFile );
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CUtlString m_BaseDir;
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private:
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void *m_WatcherStream;
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#endif
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friend class CDirWatcherFriend;
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#ifdef LINUX
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void AddFileToChangeList( const char *pchFile );
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#endif
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#ifdef WIN32
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// used by callback functions to push a file onto the list
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void AddFileToChangeList( const char *pchFile );
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void PostDirWatch();
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#endif
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};
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#endif // _PS3
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#endif // FILEIO_H
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