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104 lines
2.3 KiB
C++
104 lines
2.3 KiB
C++
// This code is in the public domain -- castano@gmail.com
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#include "FileSystem.h"
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#if NV_OS_WIN32
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#define _CRT_NONSTDC_NO_WARNINGS // _chdir is defined deprecated, but that's a bug, chdir is deprecated, _chdir is *not*.
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//#include <shlwapi.h> // PathFileExists
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#include <windows.h> // GetFileAttributes
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#include <direct.h> // _mkdir, _chdir
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#elif NV_OS_XBOX
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#include <Xtl.h>
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#elif NV_OS_ORBIS
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#include <fios2.h>
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#else
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#endif
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#include <stdio.h> // remove, unlink
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using namespace nv;
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bool FileSystem::exists(const char * path)
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{
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#if NV_OS_UNIX
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return access(path, F_OK|R_OK) == 0;
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//struct stat buf;
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//return stat(path, &buf) == 0;
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#elif NV_OS_WIN32 || NV_OS_XBOX
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// PathFileExists requires linking to shlwapi.lib
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//return PathFileExists(path) != 0;
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return GetFileAttributesA(path) != INVALID_FILE_ATTRIBUTES;
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#else
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if (FILE * fp = fopen(path, "r"))
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{
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fclose(fp);
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return true;
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}
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return false;
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#endif
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}
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bool FileSystem::createDirectory(const char * path)
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{
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#if NV_OS_WIN32 || NV_OS_XBOX
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return CreateDirectoryA(path, NULL) != 0;
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#elif NV_OS_ORBIS
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// not implemented
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return false;
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#else
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return mkdir(path, 0777) != -1;
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#endif
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}
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bool FileSystem::changeDirectory(const char * path)
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{
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#if NV_OS_WIN32
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return _chdir(path) != -1;
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#elif NV_OS_XBOX
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// Xbox doesn't support Current Working Directory!
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return false;
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#elif NV_OS_ORBIS
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// Orbis doesn't support Current Working Directory!
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return false;
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#else
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return chdir(path) != -1;
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#endif
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}
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bool FileSystem::removeFile(const char * path)
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{
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// @@ Use unlink or remove?
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return remove(path) == 0;
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}
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#include "StdStream.h" // for fileOpen
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bool FileSystem::copyFile(const char * src, const char * dst) {
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FILE * fsrc = fileOpen(src, "rb");
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if (fsrc == NULL) return false;
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NV_ON_RETURN(fclose(fsrc));
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FILE * fdst = fileOpen(dst, "wb");
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if (fdst == NULL) return false;
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NV_ON_RETURN(fclose(fdst));
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char buffer[1024];
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size_t n;
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while ((n = fread(buffer, sizeof(char), sizeof(buffer), fsrc)) > 0) {
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if (fwrite(buffer, sizeof(char), n, fdst) != n) {
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return false;
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}
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}
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return true;
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}
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