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utils/tfstats/tfstatsosinterface.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:  Interfaces to the OS Interface classes.  
+//
+// $Workfile:     $
+// $Date:         $
+//
+//------------------------------------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+#ifndef TFSTATSOSINTERFACE_H
+#define TFSTATSOSINTERFACE_H
+#ifdef WIN32
+#pragma warning (disable:4786)
+#pragma once
+#endif
+#include "util.h"
+#include <string>
+using std::string;
+
+//----------------------------------------------------------------------------------------------------
+// Purpose: The OS Interface classes contain OS / Compiler specific code in 
+// them, so that it is abstracted away from TFStats. This removes compatibility
+//issues from TFStats and isolates them to this class.
+// Subclasses of this abstract class implement each platform.
+//------------------------------------------------------------------------------------------------------
+class CTFStatsOSInterface
+{
+public:
+	virtual char pathSeperator()=0;
+	virtual int mkdir(const char* ccs)=0;
+	virtual int chdir(const char* ccs)=0;
+	virtual char* getcwd(char* buf,int maxlen)=0;
+	virtual int chdrive(int drive)=0;
+	virtual int getdrive()=0;
+	
+	virtual char** gettzname()=0;
+
+	virtual bool makeHier(string dir);
+	virtual char*getNextDirectory(char* path);//helper for above function
+
+	virtual string& addDirSlash(string& s);
+	virtual string& removeDirSlash(string& s);
+
+	//change the normal _find function interface somewhat to make it simpler
+	//and to make it a little more compatible with the linux interface (scandir())
+	virtual bool findfirstfile(char* filemask,string& filename)=0;
+	virtual bool findnextfile(string& filename)=0;
+	virtual bool findfileclose()=0;
+
+
+	virtual char* ultoa(unsigned long theNum, char* buf,int radix)=0;
+};
+
+
+
+#ifdef WIN32
+class CTFStatsWin32Interface : public CTFStatsOSInterface
+{
+public:
+	char pathSeperator(){return '\\';}
+	int mkdir(const char* ccs){return ::_mkdir(ccs);}
+	int chdir(const char* ccs){return ::_chdir(ccs);}
+	char* getcwd(char* buf,int maxlen){return ::_getcwd(buf,maxlen);}
+	int chdrive(int drive){return ::_chdrive(drive);}
+	int getdrive(){return ::_getdrive();}
+
+	char** gettzname(){return _tzname;}
+
+	long hFindFile;
+
+	bool findfirstfile(char* filemask,string& filename);
+	bool findnextfile(string& filename);
+	bool findfileclose();
+
+	CTFStatsWin32Interface():hFindFile(-1){}
+
+	char* ultoa(unsigned long theNum, char* buf,int radix){return _ultoa(theNum,buf,radix);}
+};
+#else
+#include <dirent.h>
+#include <errno.h>
+class CTFStatsLinuxInterface : public CTFStatsOSInterface
+{
+public:
+	char pathSeperator(){return '/';}
+	int mkdir(const char* ccs)
+	{
+		int result=::mkdir(ccs,PERMIT);
+		chmod(ccs,PERMIT);
+		return result;
+	}
+	
+	int chdir(const char* ccs){return ::chdir(ccs);}
+	char* getcwd(char* buf,int maxlen){return ::getcwd(buf,maxlen);}
+	int chdrive(int drive){return -1;}
+	int getdrive(){return -1;}
+	
+	char** gettzname(){return tzname;}
+
+	int foundFileIterator;
+	int numFiles;
+	dirent** foundFiles;
+
+	
+	static string filemask;
+	static void filemask2RegExp(char* buf);
+	static int filenameCompare(dirent* file);
+	
+	bool findfirstfile(char* filemask,string& filename);
+	bool findnextfile(string& filename);
+	bool findfileclose();
+
+	CTFStatsLinuxInterface():foundFileIterator(-1),numFiles(0),foundFiles(0){}
+	char* ultoa(unsigned long theNum, char* buf,int radix);
+};
+#endif
+
+
+#endif // TFSTATSOSINTERFACE_H