Minor additions to make working with binary buffers easier.

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

diff --git a/include/wx/tokenzr.h b/include/wx/tokenzr.h
index 7de58feed3dede669396d2cd1d770db52548a8a2..9ff109d46d1e05fd6d2d426b16e8b5d7faf6b989 100644 (file)
--- a/include/wx/tokenzr.h
+++ b/include/wx/tokenzr.h
@@ -2,7 +2,7 @@
 // Name:        tokenzr.h
 // Purpose:     String tokenizer
 // Author:      Guilhem Lavaux
-// Modified by:
+// Modified by: Vadim Zeitlin
 // Created:     04/22/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux
@@ -13,29 +13,54 @@
 #define _WX_TOKENZRH
 
 #ifdef __GNUG__
-#pragma interface
+    #pragma interface "tokenzr.h"
 #endif
 
 #include "wx/object.h"
 #include "wx/string.h"
-#include "wx/filefn.h"
 
-class wxStringTokenizer : wxObject {
+// default: delimiters are usual white space characters
+#define wxDEFAULT_DELIMITERS (_T(" \t\r\n"))
+
+class WXDLLEXPORT wxStringTokenizer : public wxObject
+{
 public:
-  wxStringTokenizer(const wxString& to_tokenize,
-                    const wxString& delims = " \t\r\n",
-                    bool ret_delim = FALSE);
-  ~wxStringTokenizer();
-
-  int CountTokens();
-  bool HasMoreToken();
-  wxString NextToken();
-  wxString GetString() { return m_string; }
-protected:
-  off_t FindDelims(const wxString& str, const wxString& delims);
+    // ctors and such
+    wxStringTokenizer() { m_retdelims = FALSE; m_pos = 0; }
+    wxStringTokenizer(const wxString& to_tokenize,
+                      const wxString& delims = wxDEFAULT_DELIMITERS,
+                      bool ret_delim = FALSE);
+    void SetString(const wxString& to_tokenize,
+                   const wxString& delims = wxDEFAULT_DELIMITERS,
+                   bool ret_delim = FALSE);
+    virtual ~wxStringTokenizer();
+
+    // count tokens/get next token
+    size_t CountTokens() const;
+    bool HasMoreTokens() { return m_hasMore; }
+    wxString GetNextToken();
+
+    // One note about GetString -- it returns the string
+    // remaining after the previous tokens have been removed,
+    // not the original string
+    wxString GetString() const { return m_string; }
+
+    // returns the current position (i.e. one index after the last returned
+    // token or 0 if GetNextToken() has never been called) in the original
+    // string
+    size_t GetPosition() const { return m_pos; }
+
+    // for compatibility only, use GetNextToken() instead
+    wxString NextToken() { return GetNextToken(); }
+
 protected:
-  wxString m_string, m_delims;
-  bool m_retdelims;
+    wxString m_string,              // the (rest of) string to tokenize
+             m_delims;              // all delimiters
+
+    size_t   m_pos;                 // the position in the original string
+
+    bool     m_retdelims;           // if TRUE, return delims with tokens
+    bool     m_hasMore;             // do we have more tokens?
 };
 
-#endif
+#endif // _WX_TOKENZRH