wxTextFile::Close() implemented

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

include/wx/textfile.h

@@ -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];   }

src/common/textfile.cpp

@@ -71,6 +71,7 @@ wxTextFile::~wxTextFile()
 bool wxTextFile::Open(const wxString& strFile)
 {
   m_strFile = strFile;
+
   return Open();
 }
 
@@ -138,9 +139,7 @@ wxTextFileType wxTextFile::GuessType() const
                                                     : wxTextFileType_##t2
 
     // Watcom C++ doesn't seem to be able to handle the macro
-#if defined(__WATCOMC__)
-    return typeDefault;
-#else
+#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);