improvements to zlib streams (patch 929416):

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

diff --git a/include/wx/regex.h b/include/wx/regex.h
index 70443b2964cd853b0b074c9e58c8503b08dabf03..1656008c5ab16394cc38a881d9035bb42a775699 100644 (file)
--- a/include/wx/regex.h
+++ b/include/wx/regex.h
@@ -12,7 +12,7 @@
 #ifndef _WX_REGEX_H_
 #define _WX_REGEX_H_
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma interface "regex.h"
 #endif
 
@@ -20,21 +20,22 @@
 
 #if wxUSE_REGEX
 
+class WXDLLIMPEXP_BASE wxString;
+
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
-// max number of subexpression matches, the default should be big enough for
-// all uses but may be a bit wasteful
-#ifndef WX_REGEX_MAXMATCHES
-    #define WX_REGEX_MAXMATCHES 1024
-#endif
-
 // 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,
@@ -71,9 +72,9 @@ enum
 // wxRegEx: a regular expression
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxRegExImpl;
+class WXDLLIMPEXP_BASE wxRegExImpl;
 
-class WXDLLEXPORT wxRegEx
+class WXDLLIMPEXP_BASE wxRegEx
 {
 public:
     // default ctor: use Compile() later
@@ -99,7 +100,7 @@ public:
     // flags may be combination of wxRE_NOTBOL and wxRE_NOTEOL
     //
     // may only be called after successful call to Compile()
-    bool Matches(const wxString& str, int flags = 0) const;
+    bool Matches(const wxChar *text, int flags = 0) const;
 
     // get the start index and the length of the match of the expression
     // (index 0) or a bracketed subexpression (index != 0)
@@ -118,7 +119,24 @@ public:
     // 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
-    int Replace(wxString *str, const wxString& replacement) const;
+    //
+    // the replacement text may contain backreferences (\number) which will be
+    // replaced with the value of the corresponding subexpression in the
+    // 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
+    // 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
+    int ReplaceFirst(wxString *text, const wxString& replacement) const
+        { return Replace(text, replacement, 1); }
+
+    // replace all occurences: this is actually a synonym for Replace()
+    int ReplaceAll(wxString *text, const wxString& replacement) const
+        { return Replace(text, replacement, 0); }
 
     // dtor not virtual, don't derive from this class
     ~wxRegEx();
@@ -129,6 +147,11 @@ private:
 
     // the real guts of this class
     wxRegExImpl *m_impl;
+
+    // as long as the class wxRegExImpl is not ref-counted,
+    // instances of the handle wxRegEx must not be copied.
+    wxRegEx(const wxRegEx&);
+    wxRegEx &operator=(const wxRegEx&);
 };
 
 #endif // wxUSE_REGEX