diff options
Diffstat (limited to 'source/OSSupport/File.cpp')
| -rw-r--r-- | source/OSSupport/File.cpp | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/source/OSSupport/File.cpp b/source/OSSupport/File.cpp deleted file mode 100644 index d2eea498a..000000000 --- a/source/OSSupport/File.cpp +++ /dev/null @@ -1,375 +0,0 @@ - -// cFile.cpp - -// Implements the cFile class providing an OS-independent abstraction of a file. - -#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules - -#include "File.h" -#include <fstream> - - - - - -cFile::cFile(void) : - #ifdef USE_STDIO_FILE - m_File(NULL) - #else - m_File(INVALID_HANDLE_VALUE) - #endif // USE_STDIO_FILE -{ - // Nothing needed yet -} - - - - - -cFile::cFile(const AString & iFileName, eMode iMode) : - #ifdef USE_STDIO_FILE - m_File(NULL) - #else - m_File(INVALID_HANDLE_VALUE) - #endif // USE_STDIO_FILE -{ - Open(iFileName, iMode); -} - - - - - -cFile::~cFile() -{ - if (IsOpen()) - { - Close(); - } -} - - - - - -bool cFile::Open(const AString & iFileName, eMode iMode) -{ - ASSERT(!IsOpen()); // You should close the file before opening another one - - if (IsOpen()) - { - Close(); - } - - const char * Mode = NULL; - switch (iMode) - { - case fmRead: Mode = "rb"; break; - case fmWrite: Mode = "wb"; break; - case fmReadWrite: Mode = "rb+"; break; - default: - { - ASSERT(!"Unhandled file mode"); - return false; - } - } - m_File = fopen( (FILE_IO_PREFIX + iFileName).c_str(), Mode); - if ((m_File == NULL) && (iMode == fmReadWrite)) - { - // Fix for MS not following C spec, opening "a" mode files for writing at the end only - // The file open operation has been tried with "read update", fails if file not found - // So now we know either the file doesn't exist or we don't have rights, no need to worry about file contents. - // Simply re-open for read-writing, erasing existing contents: - m_File = fopen( (FILE_IO_PREFIX + iFileName).c_str(), "wb+"); - } - return (m_File != NULL); -} - - - - - -void cFile::Close(void) -{ - if (!IsOpen()) - { - // Closing an unopened file is a legal nop - return; - } - - fclose(m_File); - m_File = NULL; -} - - - - - -bool cFile::IsOpen(void) const -{ - return (m_File != NULL); -} - - - - - -bool cFile::IsEOF(void) const -{ - ASSERT(IsOpen()); - - if (!IsOpen()) - { - // Unopened files behave as at EOF - return true; - } - - return (feof(m_File) != 0); -} - - - - - -int cFile::Read (void * iBuffer, int iNumBytes) -{ - ASSERT(IsOpen()); - - if (!IsOpen()) - { - return -1; - } - - return fread(iBuffer, 1, iNumBytes, m_File); // fread() returns the portion of Count parameter actually read, so we need to send iNumBytes as Count -} - - - - - -int cFile::Write(const void * iBuffer, int iNumBytes) -{ - ASSERT(IsOpen()); - - if (!IsOpen()) - { - return -1; - } - - int res = fwrite(iBuffer, 1, iNumBytes, m_File); // fwrite() returns the portion of Count parameter actually written, so we need to send iNumBytes as Count - return res; -} - - - - - -int cFile::Seek (int iPosition) -{ - ASSERT(IsOpen()); - - if (!IsOpen()) - { - return -1; - } - - if (fseek(m_File, iPosition, SEEK_SET) != 0) - { - return -1; - } - return ftell(m_File); -} - - - - - - -int cFile::Tell (void) const -{ - ASSERT(IsOpen()); - - if (!IsOpen()) - { - return -1; - } - - return ftell(m_File); -} - - - - - -int cFile::GetSize(void) const -{ - ASSERT(IsOpen()); - - if (!IsOpen()) - { - return -1; - } - - int CurPos = ftell(m_File); - if (CurPos < 0) - { - return -1; - } - if (fseek(m_File, 0, SEEK_END) != 0) - { - return -1; - } - int res = ftell(m_File); - if (fseek(m_File, CurPos, SEEK_SET) != 0) - { - return -1; - } - return res; -} - - - - - -int cFile::ReadRestOfFile(AString & a_Contents) -{ - ASSERT(IsOpen()); - - if (!IsOpen()) - { - return -1; - } - - int DataSize = GetSize() - Tell(); - - // HACK: This depends on the internal knowledge that AString's data() function returns the internal buffer directly - a_Contents.assign(DataSize, '\0'); - return Read((void *)a_Contents.data(), DataSize); -} - - - - - -bool cFile::Exists(const AString & a_FileName) -{ - cFile test(a_FileName, fmRead); - return test.IsOpen(); -} - - - - - -bool cFile::Delete(const AString & a_FileName) -{ - return (remove(a_FileName.c_str()) == 0); -} - - - - - -bool cFile::Rename(const AString & a_OrigFileName, const AString & a_NewFileName) -{ - return (rename(a_OrigFileName.c_str(), a_NewFileName.c_str()) == 0); -} - - - - - -bool cFile::Copy(const AString & a_SrcFileName, const AString & a_DstFileName) -{ - #ifdef _WIN32 - return (CopyFile(a_SrcFileName.c_str(), a_DstFileName.c_str(), true) != 0); - #else - // Other OSs don't have a direct CopyFile equivalent, do it the harder way: - std::ifstream src(a_SrcFileName.c_str(), std::ios::binary); - std::ofstream dst(a_DstFileName.c_str(), std::ios::binary); - if (dst.good()) - { - dst << src.rdbuf(); - return true; - } - else - { - return false; - } - #endif -} - - - - - -bool cFile::IsFolder(const AString & a_Path) -{ - #ifdef _WIN32 - DWORD FileAttrib = GetFileAttributes(a_Path.c_str()); - return ((FileAttrib != INVALID_FILE_ATTRIBUTES) && ((FileAttrib & FILE_ATTRIBUTE_DIRECTORY) != 0)); - #else - struct stat st; - return ((stat(a_Path.c_str(), &st) == 0) && S_ISDIR(st.st_mode)); - #endif -} - - - - - -bool cFile::IsFile(const AString & a_Path) -{ - #ifdef _WIN32 - DWORD FileAttrib = GetFileAttributes(a_Path.c_str()); - return ((FileAttrib != INVALID_FILE_ATTRIBUTES) && ((FileAttrib & (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_DEVICE)) == 0)); - #else - struct stat st; - return ((stat(a_Path.c_str(), &st) == 0) && S_ISREG(st.st_mode)); - #endif -} - - - - - -int cFile::GetSize(const AString & a_FileName) -{ - struct stat st; - if (stat(a_FileName.c_str(), &st) == 0) - { - return st.st_size; - } - return -1; -} - - - - - -bool cFile::CreateFolder(const AString & a_FolderPath) -{ - #ifdef _WIN32 - return (CreateDirectory(a_FolderPath.c_str(), NULL) != 0); - #else - return (mkdir(a_FolderPath.c_str(), S_IRWXU | S_IRWXG | S_IRWXO) == 0); - #endif -} - - - - - -int cFile::Printf(const char * a_Fmt, ...) -{ - AString buf; - va_list args; - va_start(args, a_Fmt); - AppendVPrintf(buf, a_Fmt, args); - va_end(args); - return Write(buf.c_str(), buf.length()); -} - - - - |