X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/25c70b07e6484db93baee03de45b67f268c3d8e3..d5d29b8a2250ee3097f31dfb8593374b89128ce2:/include/wx/file.h diff --git a/include/wx/file.h b/include/wx/file.h index ede2b55b17..e02c326b1b 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 @@ -7,21 +7,24 @@ // Created: 29/01/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifndef __FILEH__ -#define __FILEH__ +#ifndef _WX_FILEH__ +#define _WX_FILEH__ -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "file.h" #endif #ifndef WX_PRECOMP #include "wx/string.h" #include "wx/filefn.h" + #include "wx/strconv.h" #endif +#if wxUSE_FILE + // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- @@ -50,39 +53,40 @@ // NB: for space efficiency this class has no virtual functions, including // dtor which is _not_ virtual, so it shouldn't be used as a base class. // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxFile + +class WXDLLIMPEXP_BASE wxFile { public: // more file constants // ------------------- // opening mode - enum OpenMode { read, write, read_write, write_append }; + enum OpenMode { read, write, read_write, write_append, write_excl }; // standard values for file descriptor enum { fd_invalid = -1, fd_stdin, fd_stdout, fd_stderr }; // 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 +98,15 @@ public: // read/write (unbuffered) // returns number of bytes read or ofsInvalid on error off_t Read(void *pBuf, off_t nCount); - // returns true on success + // returns the number of bytes written size_t Write(const void *pBuf, size_t nCount); // returns true on success - bool Write(const wxString& s) { return Write(s.c_str(), s.Len()) != 0; } + bool Write(const wxString& s, wxMBConv& conv = wxConvUTF8) + { + const wxWX2MBbuf buf = s.mb_str(conv); + size_t size = strlen(buf); + return Write((const char *) buf, size) == size; + } // flush data not yet written bool Flush(); @@ -116,11 +125,11 @@ 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 - ~wxFile(); + ~wxFile() { Close(); } private: // copy ctor and assignment operator are private because @@ -140,7 +149,8 @@ private: // file (and close this one) or call Discard() to cancel the modification. If // you call neither of them, dtor will call Discard(). // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxTempFile + +class WXDLLIMPEXP_BASE wxTempFile { public: // ctors @@ -157,7 +167,8 @@ public: // 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) != 0; } - bool Write(const wxString& str) { return m_file.Write(str); } + bool Write(const wxString& str, wxMBConv& conv = wxConvUTF8) + { return m_file.Write(str, conv); } // different ways to close the file // validate changes and delete the old file of name m_strName @@ -169,10 +180,15 @@ 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 - // _WX_FILEH__ +#endif // wxUSE_FILE + +#endif // _WX_FILEH__