mirror of
https://github.com/nillerusr/source-engine.git
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349 lines
7.9 KiB
C++
349 lines
7.9 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Contains the Implementations of the OS Interfaces
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//
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// $Workfile: $
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// $Date: $
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//
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//------------------------------------------------------------------------------------------------------
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// $Log: $
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "TFStatsOSInterface.h"
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#include "util.h"
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//------------------------------------------------------------------------------------------------------
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// Function: getNextDirectory
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// Purpose: a wrapper for strtok, to return the next directory name out of a path
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// Input: path - the path (will be modified by the call to strtok)
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// Output: char*
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//------------------------------------------------------------------------------------------------------
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char* CTFStatsOSInterface::getNextDirectory(char* path)
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{
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char seps[3];
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seps[0]=pathSeperator();
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seps[1]=0;
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return strtok( path, seps );
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}
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//------------------------------------------------------------------------------------------------------
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// Function: makeDirectory
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// Purpose: makes a directory hierarchy. because mkdir can't make nested dirs
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// Input: dir - the string of the path to make
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// Output: Returns true on success, false on failure.
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// Note: Notice how easy the linux part of this function is... no drive letters. :)
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//------------------------------------------------------------------------------------------------------
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bool CTFStatsOSInterface::makeHier(string dir)
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{
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errno=0;
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//printf("TRYING TO MAKE %s\n",dir.c_str());
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char startingDir[500];
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this->getcwd(startingDir,500);
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bool retval=true;
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const char* nextDir=NULL;
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char path[500];
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char* dirs=path;
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strcpy(path,dir.c_str());
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//have to parse out directories one at a time. because mkdir just can't handle making nested directories that don't exist (just like md.)
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//in otherwords, it's lame.
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#ifdef WIN32
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//get drive out of path change to it.
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//if it's only one character, then interpret it as a path, make it and return;
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//only do this test because the tests below rely on at least 2 characters in the path
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if (strlen(path)<2)
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{
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this->mkdir(path);
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return true;
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}
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//what should we do with remote machines?
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//hmm, let's force users to use mapped drives.
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if (path[0]=='\\' && path[1]=='\\')
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{
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Util::debug_dir_printf("Cannot make a directory on a remote machine.\nMap the share to a drive and specify that drive instead.\n");
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retval=false;
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goto end;
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}
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//if it's a drive specification
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if (path[0]=='\\')
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{
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if (this->chdir("\\")!=0)
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Util::debug_dir_printf("Could not change to root on drive %c\n",this->getdrive() + 'a' - 1);
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dirs=&path[1];
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}
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else if (path[1]==':')
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{
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//this little formula turns a drive number into the drive letter
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int drive=path[0]+1 - 'a';
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if (this->chdrive(drive)!=0)
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{
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Util::debug_dir_printf("Drive \"%c:\" does not exist\n",path[0]);
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retval=false;
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goto end;
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}
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if (path[2]=='\\')
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{
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if (this->chdir("\\")!=0)
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{
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Util::debug_dir_printf("Could not change to root on drive %c\n",path[0]);
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retval=false;
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goto end;
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}
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dirs=&path[3];
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}
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else
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{
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dirs=&path[2];
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}
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}
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#else // if linux
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if (path[0]=='/')
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{
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this->chdir("/");
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dirs=&path[1];
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char temp[100];
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this->getcwd(temp,100);
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Util::debug_dir_printf("switched to root. current dir is %s\n",temp);
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}
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#endif
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if (dirs[0]==0)
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{
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retval=true;
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goto end;
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}
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//parse out directories. keep trying to changedir into them one by one
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// when one fails, make it, and continue.
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nextDir=getNextDirectory(path);
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do
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{
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if (this->chdir(nextDir)!=0)
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{
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if (this->mkdir(nextDir)!=0)
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{
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char buf[500];
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Util::debug_dir_printf("Could not create directory (current directory is %s) (failed on %s)\n",getcwd(buf,500),nextDir);
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retval=false;
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goto end;
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}
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else
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Util::debug_dir_printf("created %s\n",nextDir);
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//try one more time
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if (this->chdir(nextDir)!=0)
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{
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char buf[500];
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Util::debug_dir_printf("Could not create directory (current directory is %s) failed on second attempt to change to %s\n",getcwd(buf,500),nextDir);
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retval=false;
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goto end;
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}
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char temp[200];
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this->getcwd(temp,200);
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Util::debug_dir_printf("Now in %s\n",temp);
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}
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nextDir=getNextDirectory(NULL);
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}while(nextDir);
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retval=true;
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end:
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this->chdir(startingDir);
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Util::debug_dir_printf("changingDirectory to %s\n",startingDir);
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return retval;
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}
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string& CTFStatsOSInterface::addDirSlash(string& tempbuf)
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{
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if (tempbuf!="")
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{
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int buflen=tempbuf.length();
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if (tempbuf.at(buflen-1) != pathSeperator())
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tempbuf+= pathSeperator();
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}
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return tempbuf;
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}
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string& CTFStatsOSInterface::removeDirSlash(string& tempbuf)
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{
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int buflen=tempbuf.length();
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if (buflen > 0 && tempbuf.at(buflen-1) == pathSeperator())
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tempbuf.erase(tempbuf.length()-1,1);
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return tempbuf;
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}
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#ifdef WIN32
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#include <io.h>
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bool CTFStatsWin32Interface::findfirstfile(char* filemask,string& filename)
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{
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if (hFindFile!=-1)
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return false;
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_finddata_t fd;
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hFindFile=_findfirst(filemask,&fd);
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filename=fd.name;
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return hFindFile != -1;
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}
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bool CTFStatsWin32Interface::findnextfile(string& filename)
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{
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filename="";
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if (hFindFile==-1)
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return false;
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_finddata_t fd;
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int result=_findnext(hFindFile,&fd);
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filename=fd.name;
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return result!=-1;
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}
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bool CTFStatsWin32Interface::findfileclose()
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{
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if (hFindFile==-1)
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return false;
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int result = _findclose(hFindFile);
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return result != -1;
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}
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#endif
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#ifndef WIN32
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#include <dirent.h>
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string CTFStatsLinuxInterface::filemask;
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bool CTFStatsLinuxInterface::findfirstfile(char* filemask,string& filename)
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{
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if (foundFileIterator >= 0)
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findfileclose();
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foundFileIterator=-1;
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numFiles=0;
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foundFiles=NULL;
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struct dirent** namelist;
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int n;
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CTFStatsLinuxInterface::filemask=filemask;
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n=scandir(".",&namelist,CTFStatsLinuxInterface::filenameCompare,alphasort);
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if (n<0)
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return false;
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foundFileIterator=0;
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numFiles=n;
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foundFiles=namelist;
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return findnextfile(filename);
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}
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bool CTFStatsLinuxInterface::findnextfile(string& filename)
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{
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if (foundFileIterator == -1 || foundFiles == NULL || numFiles == 0)
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return false;
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if (foundFileIterator >= numFiles)
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return false;
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filename=foundFiles[foundFileIterator]->d_name;
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free(foundFiles[foundFileIterator]);
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foundFileIterator++;
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return true;
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}
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bool CTFStatsLinuxInterface::findfileclose()
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{
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free(foundFiles);
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return true;
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}
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void CTFStatsLinuxInterface::filemask2RegExp(char* buf)
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{
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char* read=filemask.c_str();
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char* write=buf;
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while (*read)
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{
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if (*read=='?')
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{
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*write='.';
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}
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else if (*read=='*')
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{
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*write='.';
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write++;
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*write='*';
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}
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else if (*read=='.' || *read=='*' || *read=='?' || *read=='+' || *read=='(' || *read==')' || *read=='{' || *read=='}' || *read=='[' || *read==']' || *read=='^' || *read=='$' )
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{
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*write='\\';
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write++;
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*write=*read;
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}
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else
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*write=*read;
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read++;
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write++;
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}
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*write=0;
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}
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#include <regex>
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int CTFStatsLinuxInterface::filenameCompare(dirent* file)
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{
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//scan the filemask, turn it into a regular expression
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//then fire up the regex engine and scan the filename;
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char buf[5000];
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filemask2RegExp(buf);
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//printf("trying to match %s against %s\n",buf,file->d_name);
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string sbuf=buf;
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regex expression(sbuf);
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cmatch what;
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bool result=query_match((const char*)file->d_name, (const char*)(file->d_name + strlen(file->d_name)), what, expression);
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//if (result)
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// printf("\tsuccessful\n");
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// else
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//printf("\tno dice\n");
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return result?1:0;
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}
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char* CTFStatsLinuxInterface::ultoa(unsigned long theNum, char* buf,int radix)
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{
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{
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char ascii[]={"0123456789abcdefghijklmnopqrstuvwxyz"};
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if (radix > 36)
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{
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buf[0]=0;
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return NULL;
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}
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string holder;
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while (theNum)
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{
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char next;
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int i=theNum % radix;
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next=ascii[i];
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holder+=next;
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theNum/=radix;
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}
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int i=0;
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string::reverse_iterator it;
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for (it=holder.rbegin();it!=holder.rend();++it)
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{
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buf[i++]=*it;
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}
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buf[i]=0;
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return buf;
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}
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}
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#endif |