X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/31907d03078c41ac09b2ff36267e980c57410f72..92f1a59c288e0e181d2998a93220a73b89f675df:/src/common/file.cpp diff --git a/src/common/file.cpp b/src/common/file.cpp index 04fd887a93..637d450da5 100644 --- a/src/common/file.cpp +++ b/src/common/file.cpp @@ -28,7 +28,7 @@ #if wxUSE_FILE // standard -#if defined(__WXMSW__) && !defined(__GNUWIN32__) && !defined(__WXMICROWIN__) +#if defined(__WXMSW__) && !defined(__GNUWIN32__) && !defined(__WXMICROWIN__) && !defined(__WXWINCE__) #include #ifndef __SALFORDC__ @@ -54,6 +54,8 @@ #define NOMCX #endif +#elif defined(__WXMSW__) && defined(__WXWINCE__) + // TODO: what to include? #elif (defined(__UNIX__) || defined(__GNUWIN32__)) #include #include @@ -89,9 +91,14 @@ #endif //Win/UNIX #include // SEEK_xxx constants + +#ifndef __WXWINCE__ #include // O_RDONLY &c +#endif -#ifndef __MWERKS__ +#ifdef __WXWINCE__ +// Nothing +#elif !defined(__MWERKS__) #include // needed for stat #include // stat #elif defined(__MWERKS__) && ( defined(__WXMSW__) || defined(__MACH__) ) @@ -147,6 +154,10 @@ #include "wx/msw/mslu.h" #endif +#ifdef __WXWINCE__ + #include "wx/msw/private.h" +#endif + // ============================================================================ // implementation of wxFile // ============================================================================ @@ -183,7 +194,12 @@ bool wxFile::Access(const wxChar *name, OpenMode mode) break; } +#ifdef __WXWINCE__ + // FIXME: use CreateFile with 0 access to query the file + return TRUE; +#else return wxAccess(name, how) == 0; +#endif } // ---------------------------------------------------------------------------- @@ -208,11 +224,22 @@ bool wxFile::Create(const wxChar *szFileName, bool bOverwrite, int accessMode) // Dominic Mazzoni [dmazzoni+@cs.cmu.edu] reports that open is still broken on the mac, so we replace // int fd = open(wxUnix2MacFilename( szFileName ), O_CREAT | (bOverwrite ? O_TRUNC : O_EXCL), access); int fd = creat( szFileName , accessMode); +#else +#ifdef __WXWINCE__ + HANDLE fileHandle = ::CreateFile(szFileName, GENERIC_WRITE, 0, NULL, + bOverwrite ? CREATE_ALWAYS : CREATE_NEW, FILE_ATTRIBUTE_NORMAL, + 0); + int fd = 0; + if (fileHandle == INVALID_HANDLE_VALUE) + fd = (int) fileHandle; + else + fd = -1; #else int fd = wxOpen( szFileName, O_BINARY | O_WRONLY | O_CREAT | (bOverwrite ? O_TRUNC : O_EXCL) ACCESS(accessMode) ); +#endif #endif if ( fd == -1 ) { @@ -229,6 +256,59 @@ bool wxFile::Create(const wxChar *szFileName, bool bOverwrite, int accessMode) // open the file bool wxFile::Open(const wxChar *szFileName, OpenMode mode, int accessMode) { +#ifdef __WXWINCE__ + DWORD access = 0; + DWORD shareMode = 0; + DWORD disposition = 0; + + int flags = O_BINARY; + + switch ( mode ) + { + case read: + access = GENERIC_READ; + shareMode = FILE_SHARE_READ|FILE_SHARE_WRITE; + disposition = OPEN_EXISTING; + break; + + case write_append: + if ( wxFile::Exists(szFileName) ) + { + access = GENERIC_READ|GENERIC_WRITE; + shareMode = FILE_SHARE_READ; + disposition = 0; + break; + } + //else: fall through as write_append is the same as write if the + // file doesn't exist + + case write: + access = GENERIC_WRITE; + shareMode = 0; + disposition = TRUNCATE_EXISTING; + break; + + case write_excl: + access = GENERIC_WRITE; + shareMode = 0; + disposition = TRUNCATE_EXISTING; + break; + + case read_write: + access = GENERIC_READ|GENERIC_WRITE; + shareMode = 0; + disposition = 0; + break; + } + + int fd = 0; + HANDLE fileHandle = ::CreateFile(szFileName, access, shareMode, NULL, + disposition, FILE_ATTRIBUTE_NORMAL, 0); + if (fileHandle == INVALID_HANDLE_VALUE) + fd = -1; + else + fd = (int) fileHandle; +#else int flags = O_BINARY; switch ( mode ) @@ -260,6 +340,7 @@ bool wxFile::Open(const wxChar *szFileName, OpenMode mode, int accessMode) } int fd = wxOpen( szFileName, flags ACCESS(accessMode)); +#endif if ( fd == -1 ) { wxLogSysError(_("can't open file '%s'"), szFileName); @@ -275,7 +356,12 @@ bool wxFile::Open(const wxChar *szFileName, OpenMode mode, int accessMode) bool wxFile::Close() { if ( IsOpened() ) { - if ( close(m_fd) == -1 ) { +#ifdef __WXWINCE__ + if (!CloseHandle((HANDLE) m_fd)) +#else + if ( close(m_fd) == -1 ) +#endif + { wxLogSysError(_("can't close file descriptor %d"), m_fd); m_fd = fd_invalid; return FALSE; @@ -296,7 +382,14 @@ off_t wxFile::Read(void *pBuf, off_t nCount) { wxCHECK( (pBuf != NULL) && IsOpened(), 0 ); -#ifdef __MWERKS__ +#ifdef __WXWINCE__ + DWORD bytesRead = 0; + int iRc = 0; + if (ReadFile((HANDLE) m_fd, pBuf, (DWORD) nCount, & bytesRead, NULL)) + iRc = bytesRead; + else + iRc = -1; +#elif defined(__MWERKS__) int iRc = ::read(m_fd, (char*) pBuf, nCount); #else int iRc = ::read(m_fd, pBuf, nCount); @@ -314,7 +407,14 @@ size_t wxFile::Write(const void *pBuf, size_t nCount) { wxCHECK( (pBuf != NULL) && IsOpened(), 0 ); -#ifdef __MWERKS__ +#ifdef __WXWINCE__ + DWORD bytesRead = 0; + int iRc = 0; + if (WriteFile((HANDLE) m_fd, pBuf, (DWORD) nCount, & bytesRead, NULL)) + iRc = bytesRead; + else + iRc = -1; +#elif defined(__MWERKS__) #if __MSL__ >= 0x6000 int iRc = ::write(m_fd, (void*) pBuf, nCount); #else @@ -336,7 +436,9 @@ size_t wxFile::Write(const void *pBuf, size_t nCount) bool wxFile::Flush() { if ( IsOpened() ) { -#if defined(__VISUALC__) || wxHAVE_FSYNC +#ifdef __WXWINCE__ + // Do nothing +#elif defined(__VISUALC__) || wxHAVE_FSYNC if ( wxFsync(m_fd) == -1 ) { wxLogSysError(_("can't flush file descriptor %d"), m_fd); @@ -359,6 +461,34 @@ off_t wxFile::Seek(off_t ofs, wxSeekMode mode) { wxASSERT( IsOpened() ); +#ifdef __WXWINCE__ + int origin; + switch ( mode ) { + default: + wxFAIL_MSG(_("unknown seek origin")); + + case wxFromStart: + origin = FILE_BEGIN; + break; + + case wxFromCurrent: + origin = FILE_CURRENT; + break; + + case wxFromEnd: + origin = FILE_END; + break; + } + + DWORD res = SetFilePointer((HANDLE) m_fd, ofs, 0, origin) ; + if (res == 0xFFFFFFFF && GetLastError() != NO_ERROR) + { + wxLogSysError(_("can't seek on file descriptor %d"), m_fd); + return wxInvalidOffset; + } + else + return (off_t)res; +#else int origin; switch ( mode ) { default: @@ -384,6 +514,7 @@ off_t wxFile::Seek(off_t ofs, wxSeekMode mode) } else return (off_t)iRc; +#endif } // get current off_t @@ -391,6 +522,16 @@ off_t wxFile::Tell() const { wxASSERT( IsOpened() ); +#ifdef __WXWINCE__ + DWORD res = SetFilePointer((HANDLE) m_fd, 0, 0, FILE_CURRENT) ; + if (res == 0xFFFFFFFF && GetLastError() != NO_ERROR) + { + wxLogSysError(_("can't get seek position on file descriptor %d"), m_fd); + return wxInvalidOffset; + } + else + return (off_t)res; +#else int iRc = wxTell(m_fd); if ( iRc == -1 ) { wxLogSysError(_("can't get seek position on file descriptor %d"), m_fd); @@ -398,6 +539,7 @@ off_t wxFile::Tell() const } else return (off_t)iRc; +#endif } // get current file length @@ -405,6 +547,15 @@ off_t wxFile::Length() const { wxASSERT( IsOpened() ); +#ifdef __WXWINCE__ + DWORD off0 = SetFilePointer((HANDLE) m_fd, 0, 0, FILE_CURRENT); + DWORD off1 = SetFilePointer((HANDLE) m_fd, 0, 0, FILE_END); + off_t len = off1; + + // Restore position + SetFilePointer((HANDLE) m_fd, off0, 0, FILE_BEGIN); + return len; +#else #ifdef __VISUALC__ int iRc = _filelength(m_fd); #else // !VC++ @@ -430,6 +581,7 @@ off_t wxFile::Length() const } else return (off_t)iRc; +#endif } // is end of file reached? @@ -437,6 +589,17 @@ bool wxFile::Eof() const { wxASSERT( IsOpened() ); +#ifdef __WXWINCE__ + DWORD off0 = SetFilePointer((HANDLE) m_fd, 0, 0, FILE_CURRENT); + DWORD off1 = SetFilePointer((HANDLE) m_fd, 0, 0, FILE_END); + if (off0 == off1) + return TRUE; + else + { + SetFilePointer((HANDLE) m_fd, off0, 0, FILE_BEGIN); + return FALSE; + } +#else int iRc; #if defined(__DOS__) || defined(__UNIX__) || defined(__GNUWIN32__) || defined( __MWERKS__ ) || defined(__SALFORDC__) @@ -467,6 +630,7 @@ bool wxFile::Eof() const } return TRUE; +#endif } // ============================================================================ @@ -553,7 +717,7 @@ bool wxTempFile::Commit() return FALSE; } - if ( wxRename(m_strTemp, m_strName) != 0 ) { + if ( !wxRenameFile(m_strTemp, m_strName) ) { wxLogSysError(_("can't commit changes to file '%s'"), m_strName.c_str()); return FALSE; }