1. added support for bitmaps with alpha channel

[wxWidgets.git] / include / wx / textfile.h

diff --git a/include/wx/textfile.h b/include/wx/textfile.h
index b6132bd178a2f5f04bf020cf5b521c8b8d792a34..a898f11543839fc25ffa961411f831c10cc15952 100644 (file)
--- a/include/wx/textfile.h
+++ b/include/wx/textfile.h
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// 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.
 // 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.


@@ -8,133 +8,59 @@
 // Created:     03.04.98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     03.04.98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 ///////////////////////////////////////////////////////////////////////////////
 

-#ifndef   _TEXTFILE_H
-#define   _TEXTFILE_H
+#ifndef _WX_TEXTFILE_H
+#define _WX_TEXTFILE_H

 
 

-#ifdef __GNUG__
-#pragma interface "textfile.h"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+    #pragma interface "textfile.h"

 #endif
 
 #include "wx/defs.h"
 #endif
 
 #include "wx/defs.h"

-#include "wx/string.h"
+
+#include "wx/textbuf.h"
+
+#if wxUSE_TEXTFILE
+

 #include "wx/file.h"
 #include "wx/file.h"

-#include "wx/dynarray.h"

 
 // ----------------------------------------------------------------------------
 // wxTextFile
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // wxTextFile
 // ----------------------------------------------------------------------------
 

-// the line termination type
-enum wxTextFileType
-{
-    wxTextFileType_None,  // incomplete (the last line of the file only)
-    wxTextFileType_Unix,  // line is terminated with 'LF' = 0xA = 10 = '\n'
-    wxTextFileType_Dos,   //                         'CR' 'LF'
-    wxTextFileType_Mac    //                         'CR' = 0xD = 13 = '\r'
-};
-
-WX_DEFINE_ARRAY(wxTextFileType, ArrayFileType);
-
-class wxTextFile
+class WXDLLIMPEXP_BASE wxTextFile : public wxTextBuffer

 {
 public:
 {
 public:

-  // default type for current platform (determined at compile time)
-  static const wxTextFileType 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(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_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.Remove(n); m_aTypes.Remove(n); }
-
-  // change the file on disk (default argument means "don't change type")
-  // possibly in another format
-  bool Write(wxTextFileType typeNew = wxTextFileType_None);
-
-  // get the file termination string
-  // Note: implementation moved to textfile to prevent warning due to switch.
-  static const wxChar *GetEOL(wxTextFileType type = typeDefault);
-
-  // 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(wxMBConv& conv);
+    virtual bool OnWrite(wxTextFileType typeNew, wxMBConv& conv);

 
 private:
 
 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;

 
 

-  wxFile        m_file;     // current file
+    DECLARE_NO_COPY_CLASS(wxTextFile)
+};

 
 

-  ArrayFileType m_aTypes;   // type of each line
-  wxArrayString m_aLines;   // lines of file
+#else // !wxUSE_TEXTFILE

 
 

-  size_t        m_nCurLine; // number of current line in the file
+// 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;

 
 

-  wxString      m_strFile;  // name of the file
-};
+#endif // wxUSE_TEXTFILE/!wxUSE_TEXTFILE
+
+#endif // _WX_TEXTFILE_H

 
 

-#endif  //_TEXTFILE_H