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

diff --git a/include/wx/textfile.h b/include/wx/textfile.h
index aea625af7d085f14ec1edd91afb1ed62a6062cc5..0f9ec816a3ef187cb79354c901a6fae221d792fc 100644 (file)
--- a/include/wx/textfile.h
+++ b/include/wx/textfile.h
@@ -11,16 +11,21 @@
 // Licence:     wxWindows license
 ///////////////////////////////////////////////////////////////////////////////
 
-#ifndef _TEXTFILE_H
-#define _TEXTFILE_H
+#ifndef _WX_TEXTFILE_H
+#define _WX_TEXTFILE_H
 
 #ifdef __GNUG__
-#pragma interface "textfile.h"
+    #pragma interface "textfile.h"
 #endif
 
 #include "wx/defs.h"
 
-#if wxUSE_TEXTFILE && wxUSE_FILE
+#if !wxUSE_FILE
+    #undef wxUSE_TEXTFILE
+    #define wxUSE_TEXTFILE 0
+#endif // wxUSE_FILE
+
+#if wxUSE_TEXTFILE
 
 #include "wx/string.h"
 #include "wx/file.h"
@@ -36,17 +41,29 @@ 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'
+    wxTextFileType_Mac,   //                         'CR' = 0xD = 13 = '\r'
+    wxTextFileType_Os2    //                         'CR' 'LF'
 };
 
-WX_DEFINE_ARRAY(wxTextFileType, ArrayFileType);
+WX_DEFINE_EXPORTED_ARRAY(wxTextFileType, ArrayFileType);
 
 class WXDLLEXPORT wxTextFile
 {
 public:
-  // default type for current platform (determined at compile time)
+  // constants and static functions
+    // default type for current platform (determined at compile time)
   static const wxTextFileType typeDefault;
 
+    // this function returns a string which is identical to "text" passed in
+    // except that the line terminator characters are changed to correspond the
+    // given type. Called with the default argument, the function translates
+    // the string to the native format (Unix for Unix, DOS for Windows, ...).
+  static wxString Translate(const wxString& text,
+                            wxTextFileType type = typeDefault);
+
+    // get the file termination string
+  static const wxChar *GetEOL(wxTextFileType type = typeDefault);
+
   // ctors
     // def ctor, use Open(string)
   wxTextFile() { }
@@ -56,6 +73,10 @@ public:
   // file operations
     // file exists?
   bool Exists() const;
+    // create the file if it doesn't already exist
+  bool Create();
+    // same as Create() but with (another) file name
+  bool Create(const wxString& strFile);
     // Open() also loads file in memory on success
   bool Open();
     // same as Open() but with (another) file name
@@ -63,7 +84,7 @@ public:
     // closes the file and frees memory, losing all changes
   bool Close();
     // is file currently opened?
-  bool IsOpened() const { return m_file.IsOpened(); }
+  bool IsOpened() const { return m_isOpened; }
 
   // accessors
     // get the number of lines in the file
@@ -115,10 +136,6 @@ public:
   // 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();
 
@@ -137,12 +154,39 @@ private:
 
   size_t        m_nCurLine; // number of current line in the file
 
+  bool          m_isOpened; // was the file successfully opened the last time?
+
   wxString      m_strFile;  // name of the file
 };
 
-#endif
-  // wxUSE_TEXTFILE && wxUSE_FILE
+#else // !wxUSE_TEXTFILE
 
-#endif
-  // _TEXTFILE_H
+// these static wxTextFile methods are used internally by wxWindows, so should
+// be defined even if we're compiling without wxTextFile at all.
+
+class WXDLLEXPORT wxTextFile
+{
+public:
+    // default type for current platform (determined at compile time)
+    static const wxTextFileType typeDefault;
+
+    // this function returns a string which is identical to "text" passed in
+    // except that the line terminator characters are changed to correspond the
+    // given type. Called with the default argument, the function translates
+    // the string to the native format (Unix for Unix, DOS for Windows, ...).
+    static wxString Translate(const wxString& text,
+                              wxTextFileType type = typeDefault);
+
+    // get the file termination string
+    static const wxChar *GetEOL(wxTextFileType type = typeDefault);
+
+private:
+    // copy ctor/assignment operator not implemented
+    wxTextFile(const wxTextFile&);
+    wxTextFile& operator=(const wxTextFile&);
+};
+
+#endif // wxUSE_TEXTFILE
+
+#endif // _WX_TEXTFILE_H