- // constants and static functions
- // default type for current platform (determined at compile time)
- static const wxTextFileType typeDefault;
-
- // this function returns a string which is identical to "text" passed in
- // except that the line terminator characters are changed to correspond the
- // given type. Called with the default argument, the function translates
- // the string to the native format (Unix for Unix, DOS for Windows, ...).
- static wxString Translate(const wxString& text,
- wxTextFileType type = typeDefault);
-
- // get the file termination string
- static const wxChar *GetEOL(wxTextFileType type = typeDefault);
-
- // ctors
- // def ctor, use Open(string)
- wxTextFile() { }
- //
- wxTextFile(const wxString& strFile);
-
- // file operations
- // file exists?
- bool Exists() const;
- // create the file if it doesn't already exist
- bool Create();
- // same as Create() but with (another) file name
- bool Create(const wxString& strFile);
- // Open() also loads file in memory on success
- bool Open(wxMBConv& conv = wxConvLibc);
- // same as Open() but with (another) file name
- bool Open(const wxString& strFile, wxMBConv& conv = wxConvLibc);
- // closes the file and frees memory, losing all changes
- bool Close();
- // is file currently opened?
- bool IsOpened() const { return m_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(size_t n) const { return m_aLines[n]; }
- wxString& operator[](size_t n) const { return m_aLines[n]; }
-
- // the current line has meaning only when you're using
- // GetFirstLine()/GetNextLine() functions, it doesn't get updated when
- // you're using "direct access" i.e. GetLine()
- size_t GetCurrentLine() const { return m_nCurLine; }
- void GoToLine(size_t n) { m_nCurLine = n; }
- bool Eof() const { return (m_aLines.Count() == 0 || m_nCurLine == m_aLines.Count() - 1); }
-
- // these methods allow more "iterator-like" traversal of the list of
- // lines, i.e. you may write something like:
- // for ( str = GetFirstLine(); !Eof(); str = GetNextLine() ) { ... }
-
- // NB: const is commented out because not all compilers understand
- // 'mutable' keyword yet (m_nCurLine should be mutable)
- wxString& GetFirstLine() /* const */ { return m_aLines[m_nCurLine = 0]; }
- wxString& GetNextLine() /* const */ { return m_aLines[++m_nCurLine]; }
- wxString& GetPrevLine() /* const */
- { wxASSERT(m_nCurLine > 0); return m_aLines[--m_nCurLine]; }
- wxString& GetLastLine() /* const */
- { return m_aLines[m_nCurLine = m_aLines.Count() - 1]; }
-
- // get the type of the line (see also GetEOL)
- wxTextFileType GetLineType(size_t n) const { return m_aTypes[n]; }
- // guess the type of file (m_file is supposed to be opened)
- wxTextFileType GuessType() const;
- // get the name of the file
- const wxChar *GetName() const { return m_strFile.c_str(); }
-
- // add/remove lines
- // add a line to the end
- void AddLine(const wxString& str, wxTextFileType type = typeDefault)
- { m_aLines.Add(str); m_aTypes.Add(type); }
- // insert a line before the line number n
- void InsertLine(const wxString& str,
- size_t n,
- wxTextFileType type = typeDefault)
- { m_aLines.Insert(str, n); m_aTypes.Insert(type, n); }
- // delete one line
- void RemoveLine(size_t n) { m_aLines.RemoveAt(n); m_aTypes.RemoveAt(n); }
-
- // change the file on disk (default argument means "don't change type")
- // possibly in another format
- bool Write(wxTextFileType typeNew = wxTextFileType_None,
- wxMBConv& conv = wxConvLibc);
-
- // dtor
- ~wxTextFile();
projects / wxWidgets.git / blobdiff