Don't return invalid size from wxDir::GetTotalSize() for empty dirs.

[wxWidgets.git] / src / common / textbuf.cpp

diff --git a/src/common/textbuf.cpp b/src/common/textbuf.cpp
index 97178aeb6e51c5eee5432403729367eb55e19155..542e19db1e628d58c28739565732382299e7e7a0 100644 (file)
--- a/src/common/textbuf.cpp
+++ b/src/common/textbuf.cpp
@@ -3,6 +3,7 @@
 // Purpose:     implementation of wxTextBuffer class
 // Created:     14.11.01
 // Author:      Morten Hanssen, Vadim Zeitlin
+// RCS-ID:      $Id$
 // Copyright:   (c) 1998-2001 wxWidgets team
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
@@ -45,7 +46,7 @@ const wxTextFileType wxTextBuffer::typeDefault =
   wxTextFileType_Unix;
 #elif defined(__WXMAC__)
   wxTextFileType_Mac;
-#elif defined(__WXPM__)
+#elif defined(__OS2__)
   wxTextFileType_Os2;
 #else
   wxTextFileType_None;
@@ -79,35 +80,35 @@ wxString wxTextBuffer::Translate(const wxString& text, wxTextFileType type)
     wxString eol = GetEOL(type), result;
 
     // optimization: we know that the length of the new string will be about
-    // the same as the length of the old one, so prealloc memory to aviod
+    // the same as the length of the old one, so prealloc memory to avoid
     // unnecessary relocations
     result.Alloc(text.Len());
 
     wxChar chLast = 0;
-    for ( const wxChar *pc = text.c_str(); *pc; pc++ )
+    for ( wxString::const_iterator i = text.begin(); i != text.end(); ++i )
     {
-        wxChar ch = *pc;
+        wxChar ch = *i;
         switch ( ch ) {
-            case _T('\n'):
+            case wxT('\n'):
                 // Dos/Unix line termination
                 result += eol;
                 chLast = 0;
                 break;
 
-            case _T('\r'):
-                if ( chLast == _T('\r') ) {
+            case wxT('\r'):
+                if ( chLast == wxT('\r') ) {
                     // Mac empty line
                     result += eol;
                 }
                 else {
                     // just remember it: we don't know whether it is just "\r"
                     // or "\r\n" yet
-                    chLast = _T('\r');
+                    chLast = wxT('\r');
                 }
                 break;
 
             default:
-                if ( chLast == _T('\r') ) {
+                if ( chLast == wxT('\r') ) {
                     // Mac line termination
                     result += eol;
 
@@ -131,6 +132,8 @@ wxString wxTextBuffer::Translate(const wxString& text, wxTextFileType type)
 
 #if wxUSE_TEXTBUFFER
 
+wxString wxTextBuffer::ms_eof;
+
 // ----------------------------------------------------------------------------
 // ctors & dtor
 // ----------------------------------------------------------------------------
@@ -178,14 +181,14 @@ bool wxTextBuffer::Create()
     return true;
 }
 
-bool wxTextBuffer::Open(const wxString& strBufferName, wxMBConv& conv)
+bool wxTextBuffer::Open(const wxString& strBufferName, const wxMBConv& conv)
 {
     m_strBufferName = strBufferName;
 
     return Open(conv);
 }
 
-bool wxTextBuffer::Open(wxMBConv& conv)
+bool wxTextBuffer::Open(const wxMBConv& conv)
 {
     // buffer name must be either given in ctor or in Open(const wxString&)
     wxASSERT( !m_strBufferName.empty() );
@@ -215,7 +218,7 @@ wxTextFileType wxTextBuffer::GuessType() const
 
     // we take MAX_LINES_SCAN in the beginning, middle and the end of buffer
     #define MAX_LINES_SCAN    (10)
-    size_t nCount = m_aLines.Count() / 3,
+    size_t nCount = m_aLines.GetCount() / 3,
         nScan =  nCount > 3*MAX_LINES_SCAN ? MAX_LINES_SCAN : nCount / 3;
 
     #define   AnalyseLine(n)              \
@@ -223,7 +226,7 @@ wxTextFileType wxTextBuffer::GuessType() const
             case wxTextFileType_Unix: nUnix++; break;   \
             case wxTextFileType_Dos:  nDos++;  break;   \
             case wxTextFileType_Mac:  nMac++;  break;   \
-            default: wxFAIL_MSG(_("unknown line terminator")); \
+            default: wxFAIL_MSG(wxT("unknown line terminator")); \
         }
 
     size_t n;
@@ -247,9 +250,7 @@ wxTextFileType wxTextBuffer::GuessType() const
                                                     ? wxTextFileType_##t1   \
                                                     : wxTextFileType_##t2
 
-        // Watcom C++ doesn't seem to be able to handle the macro
-        // VS: Watcom 11 doesn't have a problem...
-#if !(defined(__WATCOMC__) && (__WATCOMC__ < 1100))
+#if !defined(__WATCOMC__) || wxCHECK_WATCOM_VERSION(1,4)
         if ( nDos > nUnix )
             return GREATER_OF(Dos, Mac);
         else if ( nDos < nUnix )
@@ -269,18 +270,15 @@ wxTextFileType wxTextBuffer::GuessType() const
 
 bool wxTextBuffer::Close()
 {
-    m_aTypes.Clear();
-    m_aLines.Clear();
-    m_nCurLine = 0;
+    Clear();
     m_isOpened = false;
 
     return true;
 }
 
-bool wxTextBuffer::Write(wxTextFileType typeNew, wxMBConv& conv)
+bool wxTextBuffer::Write(wxTextFileType typeNew, const wxMBConv& conv)
 {
     return OnWrite(typeNew, conv);
 }
 
 #endif // wxUSE_TEXTBUFFER
-