Don't create multiple parent-less top level frames in layout sample.

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

diff --git a/include/wx/textbuf.h b/include/wx/textbuf.h
index 753c11d10434b7a7a201944017b28bf6268285d5..a2511b427d59a918b7c280024f697e3fed7ee64f 100644 (file)
--- a/include/wx/textbuf.h
+++ b/include/wx/textbuf.h
@@ -5,25 +5,22 @@
 //              differences between platforms.
 // Created:     14.11.01
 // Author:      Morten Hanssen, Vadim Zeitlin
 //              differences between platforms.
 // Created:     14.11.01
 // Author:      Morten Hanssen, Vadim Zeitlin

-// Copyright:   (c) 1998-2001 wxWindows team
+// Copyright:   (c) 1998-2001 Morten Hanssen, Vadim Zeitlin

 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_TEXTBUFFER_H
 #define _WX_TEXTBUFFER_H
 
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_TEXTBUFFER_H
 #define _WX_TEXTBUFFER_H
 

-#if defined(__GNUG__) && !defined(__APPLE__)
-    #pragma interface "textbuf.h"
-#endif
-

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

+#include "wx/convauto.h"

 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 

-// the line termination type (kept wxTextFileType name for compability)
+// the line termination type (kept wxTextFileType name for compatibility)

 enum wxTextFileType
 {
     wxTextFileType_None,  // incomplete (the last line of the file only)
 enum wxTextFileType
 {
     wxTextFileType_None,  // incomplete (the last line of the file only)


@@ -84,10 +81,10 @@ public:
     bool Create(const wxString& strBufferName);
 
     // Open() also loads buffer in memory on success
     bool Create(const wxString& strBufferName);
 
     // Open() also loads buffer in memory on success

-    bool Open(wxMBConv& conv = wxConvUTF8);
+    bool Open(const wxMBConv& conv = wxConvAuto());

 
     // same as Open() but with (another) buffer name
 
     // same as Open() but with (another) buffer name

-    bool Open(const wxString& strBufferName, wxMBConv& conv = wxConvUTF8);
+    bool Open(const wxString& strBufferName, const wxMBConv& conv = wxConvAuto());

 
     // closes the buffer and frees memory, losing all changes
     bool Close();
 
     // closes the buffer and frees memory, losing all changes
     bool Close();


@@ -102,15 +99,17 @@ public:
     size_t GetLineCount() const { return m_aLines.size(); }
 
     // the returned line may be modified (but don't add CR/LF at the end!)
     size_t GetLineCount() const { return m_aLines.size(); }
 
     // the returned line may be modified (but don't add CR/LF at the end!)

-    wxString& GetLine(size_t n)    const { return (wxString&)m_aLines[n]; }
-    wxString& operator[](size_t n) const { return (wxString&)m_aLines[n]; }
+          wxString& GetLine(size_t n)          { return m_aLines[n]; }
+    const wxString& GetLine(size_t n)    const { return m_aLines[n]; }
+          wxString& operator[](size_t n)       { return m_aLines[n]; }
+    const 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; }
 
     // 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.size() == 0 || m_nCurLine == m_aLines.size() - 1); }
+    bool Eof() const { return m_nCurLine == m_aLines.size(); }

 
     // these methods allow more "iterator-like" traversal of the list of
     // lines, i.e. you may write something like:
 
     // these methods allow more "iterator-like" traversal of the list of
     // lines, i.e. you may write something like:


@@ -118,12 +117,15 @@ public:
 
     // NB: const is commented out because not all compilers understand
     //     'mutable' keyword yet (m_nCurLine should be mutable)
 
     // 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& GetFirstLine() /* const */
+        { return m_aLines.empty() ? ms_eof : m_aLines[m_nCurLine = 0]; }
+    wxString& GetNextLine()  /* const */
+        { return ++m_nCurLine == m_aLines.size() ? ms_eof
+                                                 : m_aLines[m_nCurLine]; }

     wxString& GetPrevLine()  /* const */
     wxString& GetPrevLine()  /* const */

-        { wxASSERT(m_nCurLine > 0); return m_aLines[--m_nCurLine];   }
+        { wxASSERT(m_nCurLine > 0); return m_aLines[--m_nCurLine]; }

     wxString& GetLastLine() /* const */
     wxString& GetLastLine() /* const */

-        { return m_aLines[m_nCurLine = m_aLines.size() - 1]; }
+        { m_nCurLine = m_aLines.size() - 1; return m_aLines.Last(); }

 
     // get the type of the line (see also GetEOL)
     wxTextFileType GetLineType(size_t n) const { return m_aTypes[n]; }
 
     // get the type of the line (see also GetEOL)
     wxTextFileType GetLineType(size_t n) const { return m_aTypes[n]; }


@@ -132,7 +134,7 @@ public:
     wxTextFileType GuessType() const;
 
     // get the name of the buffer
     wxTextFileType GuessType() const;
 
     // get the name of the buffer

-    const wxChar *GetName() const { return m_strBufferName.c_str(); }
+    const wxString& GetName() const { return m_strBufferName; }

 
     // add/remove lines
     // ----------------
 
     // add/remove lines
     // ----------------


@@ -145,24 +147,24 @@ public:
                   size_t n,
                   wxTextFileType type = typeDefault)
     {
                   size_t n,
                   wxTextFileType type = typeDefault)
     {

-        m_aLines.insert(m_aLines.begin() + n, str); 
-        m_aTypes.insert(m_aTypes.begin()+n, type); 
+        m_aLines.insert(m_aLines.begin() + n, str);
+        m_aTypes.insert(m_aTypes.begin()+n, type);

     }
 
     // delete one line
     void RemoveLine(size_t n)
     {
         m_aLines.erase(m_aLines.begin() + n);
     }
 
     // delete one line
     void RemoveLine(size_t n)
     {
         m_aLines.erase(m_aLines.begin() + n);

-        m_aTypes.erase(m_aTypes.begin() + n); 
+        m_aTypes.erase(m_aTypes.begin() + n);

     }
 
     // remove all lines
     }
 
     // remove all lines

-    void Clear() { m_aLines.clear(); m_nCurLine = 0; }
+    void Clear() { m_aLines.clear(); m_aTypes.clear(); m_nCurLine = 0; }

 
     // change the buffer (default argument means "don't change type")
     // possibly in another format
     bool Write(wxTextFileType typeNew = wxTextFileType_None,
 
     // change the buffer (default argument means "don't change type")
     // possibly in another format
     bool Write(wxTextFileType typeNew = wxTextFileType_None,

-               wxMBConv& conv = wxConvUTF8);
+               const wxMBConv& conv = wxConvAuto());

 
     // dtor
     virtual ~wxTextBuffer();
 
     // dtor
     virtual ~wxTextBuffer();


@@ -172,7 +174,7 @@ protected:
     // -----
 
     // default ctor, use Open(string)
     // -----
 
     // default ctor, use Open(string)

-    wxTextBuffer() { m_isOpened = false; }
+    wxTextBuffer() { m_nCurLine = 0; m_isOpened = false; }

 
     // ctor from filename
     wxTextBuffer(const wxString& strBufferName);
 
     // ctor from filename
     wxTextBuffer(const wxString& strBufferName);


@@ -184,10 +186,11 @@ protected:
     virtual bool OnOpen(const wxString &strBufferName,
                         wxTextBufferOpenMode openmode) = 0;
     virtual bool OnClose() = 0;
     virtual bool OnOpen(const wxString &strBufferName,
                         wxTextBufferOpenMode openmode) = 0;
     virtual bool OnClose() = 0;

-    virtual bool OnRead(wxMBConv& conv) = 0;
-    virtual bool OnWrite(wxTextFileType typeNew, wxMBConv& conv) = 0;
+    virtual bool OnRead(const wxMBConv& conv) = 0;
+    virtual bool OnWrite(wxTextFileType typeNew, const wxMBConv& conv) = 0;

 
 

-    wxString m_strBufferName;  // name of the buffer
+    static wxString ms_eof;     // dummy string returned at EOF
+    wxString m_strBufferName;   // name of the buffer

 
 private:
     wxArrayLinesType m_aTypes;   // type of each line
 
 private:
     wxArrayLinesType m_aTypes;   // type of each line