wxTextFile::Close() implemented

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1939 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/textfile.h

@@ -4,7 +4,7 @@
 //              (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 <zeitlin@dptmaths.ens-cachan.fr>
@@ -47,7 +47,7 @@ public:
   // ctors
     // def ctor, use Open(string)
   wxTextFile() { }
-    // 
+    //
   wxTextFile(const wxString& strFile);
 
   // file operations
@@ -80,7 +80,7 @@ public:
     // lines, i.e. you may write something like:
     //  for ( str = GetFirstLine(); !Eof(); str = GetNextLine() ) { ... }
 
-    // @@@ const is commented out because not all compilers understand
+    // 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];   }
@@ -98,12 +98,12 @@ public:
 
   // add/remove lines
     // add a line to the end
-  void AddLine(const wxString& str, wxTextFileType type = typeDefault) 
+  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) 
+                  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); }

src/common/textfile.cpp

@@ -71,6 +71,7 @@ wxTextFile::~wxTextFile()
 bool wxTextFile::Open(const wxString& strFile)
 {
   m_strFile = strFile;
+
   return Open();
 }
 
@@ -134,13 +135,11 @@ wxTextFileType wxTextFile::GuessType() const
   else {
     #define   GREATER_OF(t1, t2) n##t1 == n##t2 ? typeDefault               \
                                                 : n##t1 > n##t2             \
-                                                    ? wxTextFileType_##t1     \
+                                                    ? wxTextFileType_##t1   \
                                                     : wxTextFileType_##t2
 
-// Watcom C++ doesn't seem to be able to handle the macro
-#if defined(__WATCOMC__)
-    return typeDefault;
-#else
+    // Watcom C++ doesn't seem to be able to handle the macro
+#if !defined(__WATCOMC__)
     if ( nDos > nUnix )
       return GREATER_OF(Dos, Mac);
     else if ( nDos < nUnix )
@@ -149,7 +148,7 @@ wxTextFileType wxTextFile::GuessType() const
       // nDos == nUnix
       return nMac > nDos ? wxTextFileType_Mac : typeDefault;
     }
-#endif
+#endif // __WATCOMC__
 
     #undef    GREATER_OF
   }
@@ -221,6 +220,15 @@ bool wxTextFile::Read()
   return TRUE;
 }
 
+bool wxTextFile::Close()
+{
+    m_aTypes.Clear();
+    m_aLines.Clear();
+    m_nCurLine = 0;
+
+    return TRUE;
+}
+
 bool wxTextFile::Write(wxTextFileType typeNew)
 {
   wxTempFile fileTmp(m_strFile);