X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/02aef13c07cde46e051a2504cafdb5d12fef4155..414f2513fc42e1ec60954c7c000d7ae78ba6af8c:/include/wx/file.h diff --git a/include/wx/file.h b/include/wx/file.h index b767d0a4a0..35b7aeb502 100644 --- a/include/wx/file.h +++ b/include/wx/file.h @@ -17,12 +17,14 @@ #pragma interface "file.h" #endif +#include "wx/defs.h" + +#if wxUSE_FILE + #include "wx/string.h" #include "wx/filefn.h" #include "wx/strconv.h" -#if wxUSE_FILE - // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- @@ -94,29 +96,29 @@ public: int fd() const { return m_fd; } // read/write (unbuffered) - // returns number of bytes read or ofsInvalid on error - wxFileSize_t Read(void *pBuf, wxFileSize_t nCount); + // returns number of bytes read or wxInvalidOffset on error + ssize_t Read(void *pBuf, size_t nCount); // returns the number of bytes written - wxFileSize_t Write(const void *pBuf, wxFileSize_t nCount); + size_t Write(const void *pBuf, size_t nCount); // returns true on success bool Write(const wxString& s, wxMBConv& conv = wxConvUTF8) { const wxWX2MBbuf buf = s.mb_str(conv); - wxFileSize_t size = strlen(buf); + size_t size = strlen(buf); return Write((const char *) buf, size) == size; } // flush data not yet written bool Flush(); - // file pointer operations (return ofsInvalid on failure) - // move ptr ofs bytes related to start/current off_t/end of file - wxFileSize_t Seek(wxFileOffset ofs, wxSeekMode mode = wxFromStart); + // file pointer operations (return wxInvalidOffset on failure) + // move ptr ofs bytes related to start/current offset/end of file + wxFileOffset Seek(wxFileOffset ofs, wxSeekMode mode = wxFromStart); // move ptr to ofs bytes before the end - wxFileSize_t SeekEnd(wxFileOffset ofs = 0) { return Seek(ofs, wxFromEnd); } - // get current off_t - wxFileSize_t Tell() const; + wxFileOffset SeekEnd(wxFileOffset ofs = 0) { return Seek(ofs, wxFromEnd); } + // get current offset + wxFileOffset Tell() const; // get current file length - wxFileSize_t Length() const; + wxFileOffset Length() const; // simple accessors // is file opened? @@ -125,6 +127,8 @@ public: bool Eof() const; // has an error occured? bool Error() const { return m_error; } + // type such as disk or pipe + wxFileKind GetKind() const { return wxGetFileKind(m_fd); } // dtor closes the file if opened ~wxFile() { Close(); } @@ -162,9 +166,16 @@ public: // is the file opened? bool IsOpened() const { return m_file.IsOpened(); } + // get current file length + wxFileOffset Length() const { return m_file.Length(); } + // move ptr ofs bytes related to start/current offset/end of file + wxFileOffset Seek(wxFileOffset ofs, wxSeekMode mode = wxFromStart) + { return m_file.Seek(ofs, mode); } + // get current offset + wxFileOffset Tell() const { return m_file.Tell(); } // I/O (both functions return true on success, false on failure) - bool Write(const void *p, wxFileSize_t n) { return m_file.Write(p, n) == n; } + bool Write(const void *p, size_t n) { return m_file.Write(p, n) == n; } bool Write(const wxString& str, wxMBConv& conv = wxConvUTF8) { return m_file.Write(str, conv); }