X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c801d85f158c4cba50b588807daabdcbd0ed3853..e10972f6c1436a6dcd5427b4e3913bb0f398e045:/include/wx/textfile.h diff --git a/include/wx/textfile.h b/include/wx/textfile.h index a57931687d..240817cfe2 100644 --- a/include/wx/textfile.h +++ b/include/wx/textfile.h @@ -1,123 +1,62 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: textfile.h +// Name: wx/textfile.h // Purpose: class wxTextFile to work with text files of _small_ size // (file is fully loaded in memory) and which understands CR/LF // differences between platforms. // Author: Vadim Zeitlin -// Modified by: +// Modified by: // Created: 03.04.98 // RCS-ID: $Id$ // Copyright: (c) 1998 Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#ifndef _TEXTFILE_H -#define _TEXTFILE_H - -#ifdef __GNUG__ -#pragma interface "textfile.h" -#endif +#ifndef _WX_TEXTFILE_H +#define _WX_TEXTFILE_H #include "wx/defs.h" -#include "wx/string.h" + +#include "wx/textbuf.h" + +#if wxUSE_TEXTFILE + #include "wx/file.h" -#include "wx/dynarray.h" // ---------------------------------------------------------------------------- // wxTextFile // ---------------------------------------------------------------------------- -class wxTextFile + +class WXDLLIMPEXP_BASE wxTextFile : public wxTextBuffer { public: - // constants - enum Type - { - Type_None, // incomplete (the last line of the file only) - Type_Unix, // line is terminated with 'CR' = 0xA = 10 = '\n' - Type_Dos, // 'LF' 'CR' - Type_Mac // 'LF' = 0xD = 12 = '\r' - }; - - // default type for current platform (determined at compile time) - static const Type typeDefault; - - // ctors - // def ctor, use Open(string) - wxTextFile() { } - // - wxTextFile(const wxString& strFile); - - // file operations - // file exists? - bool Exists() const; - // Open() also loads file in memory on success - bool Open(); - // same as Open() but with (another) file name - bool Open(const wxString& strFile); - // closes the file and frees memory, losing all changes - bool Close(); - // is file currently opened? - bool IsOpened() const { return m_file.IsOpened(); } - - // accessors - // get the number of lines in the file - size_t GetLineCount() const { return m_aLines.Count(); } - // the returned line may be modified (but don't add CR/LF at the end!) - wxString& GetLine(uint n) const { return m_aLines[n]; } - wxString& operator[](uint n) const { return m_aLines[n]; } - // get the type of the line (see also GetEOL) - Type GetLineType(uint n) const { return m_aTypes[n]; } - // guess the type of file (m_file is supposed to be opened) - Type GuessType() const; - // get the name of the file - const char *GetName() const { return m_strFile.c_str(); } - - // add/remove lines - // add a line to the end - void AddLine(const wxString& str, Type type = typeDefault) - { m_aLines.Add(str); m_aTypes.Add(type); } - // insert a line before the line number n - void InsertLine(const wxString& str, uint n, Type type = typeDefault) - { m_aLines.Insert(str, n); m_aTypes.Insert(type, n); } - // delete one line - void RemoveLine(uint n) { m_aLines.Remove(n); m_aTypes.Remove(n); } - - // change the file on disk (default argument means "don't change type") - // possibly in another format - bool Write(Type typeNew = Type_None); - - // get the file termination string - inline static const char *GetEOL(Type type = typeDefault) - { - switch ( type ) { - case Type_None: return ""; - case Type_Unix: return "\n"; - case Type_Dos: return "\r\n"; - case Type_Mac: return "\r"; - - default: - wxFAIL_MSG("bad file type in wxTextFile::GetEOL."); - return NULL; - } - } - - // dtor - ~wxTextFile(); + // constructors + wxTextFile() { } + wxTextFile(const wxString& strFileName); + +protected: + // implement the base class pure virtuals + virtual bool OnExists() const; + virtual bool OnOpen(const wxString &strBufferName, + wxTextBufferOpenMode OpenMode); + virtual bool OnClose(); + virtual bool OnRead(const wxMBConv& conv); + virtual bool OnWrite(wxTextFileType typeNew, const wxMBConv& conv); private: - // copy ctor/assignment operator not implemented - wxTextFile(const wxTextFile&); - wxTextFile& operator=(const wxTextFile&); - // read the file in memory (m_file is supposed to be just opened) - bool Read(); + wxFile m_file; - WX_DEFINE_ARRAY(Type, ArrayFileType); - - wxFile m_file; // current file - ArrayFileType m_aTypes; // type of each line - wxArrayString m_aLines; // lines of file - wxString m_strFile; // name of the file + wxDECLARE_NO_COPY_CLASS(wxTextFile); }; -#endif //_TEXTFILE_H \ No newline at end of file +#else // !wxUSE_TEXTFILE + +// old code relies on the static methods of wxTextFile being always available +// and they still are available in wxTextBuffer (even if !wxUSE_TEXTBUFFER), so +// make it possible to use them in a backwards compatible way +typedef wxTextBuffer wxTextFile; + +#endif // wxUSE_TEXTFILE/!wxUSE_TEXTFILE + +#endif // _WX_TEXTFILE_H +