X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d4a00e065b5fdbd6686374210c98ef1a21424887..6ee654e6bb28d20841d115f667239739e3ac42ef:/include/wx/file.h diff --git a/include/wx/file.h b/include/wx/file.h index 656ae52585..89718b6120 100644 --- a/include/wx/file.h +++ b/include/wx/file.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: file.cpp +// Name: file.h // Purpose: wxFile - encapsulates low-level "file descriptor" // wxTempFile - safely replace the old file // Author: Vadim Zeitlin @@ -10,8 +10,8 @@ // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// -#ifndef __FILEH__ -#define __FILEH__ +#ifndef _WX_FILEH__ +#define _WX_FILEH__ #ifdef __GNUG__ #pragma interface "file.h" @@ -22,6 +22,8 @@ #include "wx/filefn.h" #endif +#if wxUSE_FILE + // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- @@ -63,26 +65,26 @@ public: // static functions // ---------------- // check whether a regular file by this name exists - static bool Exists(const char *name); + static bool Exists(const wxChar *name); // check whetther we can access the given file in given mode // (only read and write make sense here) - static bool Access(const char *name, OpenMode mode); + static bool Access(const wxChar *name, OpenMode mode); // ctors // ----- // def ctor wxFile() { m_fd = fd_invalid; } // open specified file (may fail, use IsOpened()) - wxFile(const char *szFileName, OpenMode mode = read); + wxFile(const wxChar *szFileName, OpenMode mode = read); // attach to (already opened) file wxFile(int fd) { m_fd = fd; } // open/close // create a new file (with the default value of bOverwrite, it will fail if // the file already exists, otherwise it will overwrite it and succeed) - bool Create(const char *szFileName, bool bOverwrite = FALSE, + bool Create(const wxChar *szFileName, bool bOverwrite = FALSE, int access = wxS_DEFAULT); - bool Open(const char *szFileName, OpenMode mode = read, + bool Open(const wxChar *szFileName, OpenMode mode = read, int access = wxS_DEFAULT); bool Close(); // Close is a NOP if not opened @@ -94,10 +96,14 @@ public: // read/write (unbuffered) // returns number of bytes read or ofsInvalid on error off_t Read(void *pBuf, off_t nCount); + // returns the number of bytes written + size_t Write(const void *pBuf, size_t nCount); // returns true on success - uint Write(const void *pBuf, uint nCount); - // returns true on success - bool Write(const wxString& s) { return Write(s.c_str(), s.Len()) != 0; } + bool Write(const wxString& s) + { + size_t size = s.Len()*sizeof(wxChar); + return Write(s.c_str(), size) == size; + } // flush data not yet written bool Flush(); @@ -116,11 +122,11 @@ public: bool IsOpened() const { return m_fd != fd_invalid; } // is end of file reached? bool Eof() const; - // is an error occured? + // has an error occured? bool Error() const { return m_error; } // dtor closes the file if opened - virtual ~wxFile(); // Temporally virtual because of wxFileStream: I'll change back in a near future. + ~wxFile() { Close(); } private: // copy ctor and assignment operator are private because @@ -156,7 +162,7 @@ public: bool IsOpened() const { return m_file.IsOpened(); } // I/O (both functions return true on success, false on failure) - bool Write(const void *p, uint n) { return m_file.Write(p, n) != 0; } + bool Write(const void *p, size_t n) { return m_file.Write(p, n) != 0; } bool Write(const wxString& str) { return m_file.Write(str); } // different ways to close the file @@ -169,10 +175,15 @@ public: ~wxTempFile(); private: + // no copy ctor/assignment operator + wxTempFile(const wxTempFile&); + wxTempFile& operator=(const wxTempFile&); + wxString m_strName, // name of the file to replace in Commit() m_strTemp; // temporary file name wxFile m_file; // the temporary file }; -#endif - // __FILEH__ +#endif // wxUSE_FILE + +#endif // _WX_FILEH__