X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/30984deafc05d7c6f88db736336fe73d23a08e19..be2001feddfb5f388c61a5a6f64146f0193e239b:/include/wx/file.h?ds=sidebyside diff --git a/include/wx/file.h b/include/wx/file.h index 6a46ec7fe4..7f3f0e8184 100644 --- a/include/wx/file.h +++ b/include/wx/file.h @@ -13,16 +13,14 @@ #ifndef _WX_FILEH__ #define _WX_FILEH__ -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) -#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 // ---------------------------------------------------------------------------- @@ -77,7 +75,7 @@ public: // open specified file (may fail, use IsOpened()) wxFile(const wxChar *szFileName, OpenMode mode = read); // attach to (already opened) file - wxFile(int fd) { m_fd = fd; m_error = false; } + wxFile(int lfd) { m_fd = lfd; m_error = false; } // open/close // create a new file (with the default value of bOverwrite, it will fail if @@ -89,17 +87,17 @@ public: bool Close(); // Close is a NOP if not opened // assign an existing file descriptor and get it back from wxFile object - void Attach(int fd) { Close(); m_fd = fd; m_error = false; } + void Attach(int lfd) { Close(); m_fd = lfd; m_error = false; } void Detach() { m_fd = fd_invalid; } int fd() const { return m_fd; } // read/write (unbuffered) - // returns number of bytes read or ofsInvalid on error - size_t Read(void *pBuf, size_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 size_t Write(const void *pBuf, size_t nCount); // returns true on success - bool Write(const wxString& s, wxMBConv& conv = wxConvUTF8) + bool Write(const wxString& s, const wxMBConv& conv = wxConvUTF8) { const wxWX2MBbuf buf = s.mb_str(conv); size_t size = strlen(buf); @@ -123,8 +121,10 @@ public: bool IsOpened() const { return m_fd != fd_invalid; } // is end of file reached? bool Eof() const; - // has an error occured? + // has an error occurred? 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(); } @@ -162,10 +162,17 @@ 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, size_t n) { return m_file.Write(p, n) == n; } - bool Write(const wxString& str, wxMBConv& conv = wxConvUTF8) + bool Write(const wxString& str, const wxMBConv& conv = wxConvUTF8) { return m_file.Write(str, conv); } // different ways to close the file