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

diff --git a/include/wx/regex.h b/include/wx/regex.h
index 78224ca9420d13cd3ce0d45c46474998b826653f..77ed092997277fb793df6661c58e4186d4a852bf 100644 (file)
--- a/include/wx/regex.h
+++ b/include/wx/regex.h
@@ -1,26 +1,22 @@
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        wx/regex.h
 // Purpose:     regular expression matching
-// Author:      Karsten Ballüder
+// Author:      Karsten Ballueder
 // Modified by: VZ at 13.07.01 (integrated to wxWin)
 // Created:     05.02.2000
 // RCS-ID:      $Id$
-// Copyright:   (c) 2000 Karsten Ballüder <ballueder@gmx.net>
+// Copyright:   (c) 2000 Karsten Ballueder <ballueder@gmx.net>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_REGEX_H_
 #define _WX_REGEX_H_
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma interface "regex.h"
-#endif
-
 #include "wx/defs.h"
 
 #if wxUSE_REGEX
 
-class WXDLLIMPEXP_BASE wxString;
+#include "wx/string.h"
 
 // ----------------------------------------------------------------------------
 // constants
@@ -29,9 +25,14 @@ class WXDLLIMPEXP_BASE wxString;
 // flags for regex compilation: these can be used with Compile()
 enum
 {
-    // use extended regex syntax (default)
+    // use extended regex syntax
     wxRE_EXTENDED = 0,
 
+    // use advanced RE syntax (built-in regex only)
+#ifdef wxHAS_REGEX_ADVANCED
+    wxRE_ADVANCED = 1,
+#endif
+
     // use basic RE syntax
     wxRE_BASIC    = 2,
 
@@ -67,7 +68,7 @@ enum
 // wxRegEx: a regular expression
 // ----------------------------------------------------------------------------
 
-class WXDLLIMPEXP_BASE wxRegExImpl;
+class WXDLLIMPEXP_FWD_BASE wxRegExImpl;
 
 class WXDLLIMPEXP_BASE wxRegEx
 {
@@ -82,27 +83,30 @@ public:
         (void)Compile(expr, flags);
     }
 
-    // return TRUE if this is a valid compiled regular expression
+    // return true if this is a valid compiled regular expression
     bool IsValid() const { return m_impl != NULL; }
 
-    // compile the string into regular expression, return TRUE if ok or FALSE
+    // compile the string into regular expression, return true if ok or false
     // if string has a syntax error
     bool Compile(const wxString& pattern, int flags = wxRE_DEFAULT);
 
     // matches the precompiled regular expression against a string, return
-    // TRUE if matches and FALSE otherwise
+    // true if matches and false otherwise
     //
     // flags may be combination of wxRE_NOTBOL and wxRE_NOTEOL
+    // len may be the length of text (ignored by most system regex libs)
     //
     // may only be called after successful call to Compile()
-    bool Matches(const wxChar *text, int flags = 0) const;
+    bool Matches(const wxString& text, int flags = 0) const;
+    bool Matches(const wxChar *text, int flags, size_t len) const
+        { return Matches(wxString(text, len), flags); }
 
     // get the start index and the length of the match of the expression
     // (index 0) or a bracketed subexpression (index != 0)
     //
     // may only be called after successful call to Matches()
     //
-    // return FALSE if no match or on error
+    // return false if no match or on error
     bool GetMatch(size_t *start, size_t *len, size_t index = 0) const;
 
     // return the part of string corresponding to the match, empty string is
@@ -111,6 +115,12 @@ public:
     // may only be called after successful call to Matches()
     wxString GetMatch(const wxString& text, size_t index = 0) const;
 
+    // return the size of the array of matches, i.e. the number of bracketed
+    // subexpressions plus one for the expression itself, or 0 on error.
+    //
+    // may only be called after successful call to Compile()
+    size_t GetMatchCount() const;
+
     // replaces the current regular expression in the string pointed to by
     // pattern, with the text in replacement and return number of matches
     // replaced (maybe 0 if none found) or -1 on error
@@ -120,16 +130,16 @@ public:
     // pattern match
     //
     // maxMatches may be used to limit the number of replacements made, setting
-    // it to 1, for example, will only replace first occurence (if any) of the
+    // it to 1, for example, will only replace first occurrence (if any) of the
     // pattern in the text while default value of 0 means replace all
     int Replace(wxString *text, const wxString& replacement,
                 size_t maxMatches = 0) const;
 
-    // replace the first occurence
+    // replace the first occurrence
     int ReplaceFirst(wxString *text, const wxString& replacement) const
         { return Replace(text, replacement, 1); }
 
-    // replace all occurences: this is actually a synonym for Replace()
+    // replace all occurrences: this is actually a synonym for Replace()
     int ReplaceAll(wxString *text, const wxString& replacement) const
         { return Replace(text, replacement, 0); }