added conversions via UniChar for wchar = 4 bytes versions

[wxWidgets.git] / src / common / regex.cpp

diff --git a/src/common/regex.cpp b/src/common/regex.cpp
index 072ea9df0fb7244dc60bfbd38d5c48eeaed718fe..2cd6afafce6618554716818ad94964f6ab542bad 100644 (file)
--- a/src/common/regex.cpp
+++ b/src/common/regex.cpp
@@ -46,17 +46,9 @@
 #   include <sys/types.h>
 #endif
 
-#ifndef __WXWINCE__
 #include <regex.h>
-#endif
-
 #include "wx/regex.h"
 
-#ifdef wx_wchar
-    #define regerror wx_regerror
-    #define regfree wx_regfree
-#endif
-
 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------
@@ -81,7 +73,7 @@ public:
 
 private:
     // return the string containing the error message for the given err code
-    wxString GetErrorMsg(int errorcode) const;
+    wxString GetErrorMsg(int errorcode, bool badconv) const;
 
     // init the members
     void Init()
@@ -139,48 +131,63 @@ wxRegExImpl::~wxRegExImpl()
     Free();
 }
 
-wxString wxRegExImpl::GetErrorMsg(int errorcode) const
+wxString wxRegExImpl::GetErrorMsg(int errorcode, bool badconv) const
 {
-    wxString msg;
+#if wxUSE_UNICODE && !defined(__REG_NOFRONT)
+    // currently only needed when using system library in Unicode mode
+    if ( badconv )
+    {
+        return _("conversion to 8-bit encoding failed");
+    }
+#else
+    // 'use' badconv to avoid a compiler warning
+    (void)badconv;
+#endif
+
+    wxString szError;
 
     // first get the string length needed
     int len = regerror(errorcode, &m_RegEx, NULL, 0);
     if ( len > 0 )
     {
-        len++;
+        char* szcmbError = new char[++len];
 
-#ifdef wx_wchar
-        wxCharBuffer buf(len);
+        (void)regerror(errorcode, &m_RegEx, szcmbError, len);
 
-        (void)regerror(errorcode, &m_RegEx, (char *)buf.data(), len);
-
-        msg = wxString(buf.data(), wxConvLibc);
-#else 
-        (void)regerror(errorcode, &m_RegEx, msg.GetWriteBuf(len), len);
-
-        msg.UngetWriteBuf();
-#endif 
+        szError = wxConvertMB2WX(szcmbError);
+        delete [] szcmbError;
     }
     else // regerror() returned 0
     {
-        msg = _("unknown error");
+        szError = _("unknown error");
     }
 
-    return msg;
+    return szError;
 }
 
 bool wxRegExImpl::Compile(const wxString& expr, int flags)
 {
     Reinit();
 
-    // translate our flags to regcomp() ones
-    wxASSERT_MSG( !(flags &
-                        ~(wxRE_BASIC | wxRE_ICASE | wxRE_NOSUB | wxRE_NEWLINE)),
+#ifdef WX_NO_REGEX_ADVANCED
+#   define FLAVORS wxRE_BASIC
+#else
+#   define FLAVORS (wxRE_ADVANCED | wxRE_BASIC)
+    wxASSERT_MSG( (flags & FLAVORS) != FLAVORS,
+                  _T("incompatible flags in wxRegEx::Compile") );
+#endif
+    wxASSERT_MSG( !(flags & ~(FLAVORS | wxRE_ICASE | wxRE_NOSUB | wxRE_NEWLINE)),
                   _T("unrecognized flags in wxRegEx::Compile") );
 
+    // translate our flags to regcomp() ones
     int flagsRE = 0;
     if ( !(flags & wxRE_BASIC) )
-        flagsRE |= REG_EXTENDED;
+#ifndef WX_NO_REGEX_ADVANCED
+        if (flags & wxRE_ADVANCED)
+            flagsRE |= REG_ADVANCED;
+        else
+#endif
+            flagsRE |= REG_EXTENDED;
     if ( flags & wxRE_ICASE )
         flagsRE |= REG_ICASE;
     if ( flags & wxRE_NOSUB )
@@ -188,18 +195,19 @@ bool wxRegExImpl::Compile(const wxString& expr, int flags)
     if ( flags & wxRE_NEWLINE )
         flagsRE |= REG_NEWLINE;
 
-
     // compile it
-#ifdef wx_wchar
-    int errorcode = wx_regcomp(&m_RegEx, expr, expr.Length(), flagsRE);
+#ifdef __REG_NOFRONT
+    bool conv = true;
+    int errorcode = re_comp(&m_RegEx, expr, expr.length(), flagsRE);
 #else
-    int errorcode = regcomp(&m_RegEx, expr.mb_str(), flagsRE);
+    const wxWX2MBbuf conv = expr.mbc_str();
+    int errorcode = conv ? regcomp(&m_RegEx, conv, flagsRE) : REG_BADPAT;
 #endif
 
-     if ( errorcode )
+    if ( errorcode )
     {
         wxLogError(_("Invalid regular expression '%s': %s"),
-                   expr.c_str(), GetErrorMsg(errorcode).c_str());
+                   expr.c_str(), GetErrorMsg(errorcode, !conv).c_str());
 
         m_isCompiled = FALSE;
     }
@@ -269,11 +277,12 @@ bool wxRegExImpl::Matches(const wxChar *str, int flags) const
     }
 
     // do match it
-#ifdef wx_wchar
-       rm_detail_t rd;
-    int rc = wx_regexec(&self->m_RegEx, str, wxStrlen(str), &rd, m_nMatches, m_Matches, flagsRE);
+#ifdef __REG_NOFRONT
+    bool conv = true;
+    int rc = re_exec(&self->m_RegEx, str, wxStrlen(str), NULL, m_nMatches, m_Matches, flagsRE);
 #else
-    int rc = regexec(&self->m_RegEx, wxConvertWX2MB(str), m_nMatches, m_Matches, flagsRE);
+    const wxWX2MBbuf conv = wxConvertWX2MB(str);
+    int rc = conv ? regexec(&self->m_RegEx, conv, m_nMatches, m_Matches, flagsRE) : REG_BADPAT;
 #endif
 
     switch ( rc )
@@ -285,7 +294,7 @@ bool wxRegExImpl::Matches(const wxChar *str, int flags) const
         default:
             // an error occured
             wxLogError(_("Failed to match '%s' in regular expression: %s"),
-                       str, GetErrorMsg(rc).c_str());
+                       str, GetErrorMsg(rc, !conv).c_str());
             // fall through
 
         case REG_NOMATCH:
@@ -487,38 +496,4 @@ int wxRegEx::Replace(wxString *pattern,
     return m_impl->Replace(pattern, replacement, maxMatches);
 }
 
-#ifdef wx_wchar
-
-/**  Locale functions */
-
-extern "C" {
-
-int wx_isdigit(wx_wchar c) {return (c >= 0 && c <= UCHAR_MAX &&  wxIsdigit((unsigned char) c));}
-int wx_isalpha(wx_wchar c) {return (c >= 0 && c <= UCHAR_MAX &&  wxIsalpha((unsigned char) c));}
-int wx_isalnum(wx_wchar c) {return (c >= 0 && c <= UCHAR_MAX &&  wxIsalnum((unsigned char) c));}
-int wx_isupper(wx_wchar c) {return (c >= 0 && c <= UCHAR_MAX &&  wxIsupper((unsigned char) c));}
-int wx_islower(wx_wchar c) {return (c >= 0 && c <= UCHAR_MAX &&  wxIslower((unsigned char) c));}
-int wx_isgraph(wx_wchar c) {return (c >= 0 && c <= UCHAR_MAX &&  wxIsgraph((unsigned char) c));}
-int wx_ispunct(wx_wchar c) {return (c >= 0 && c <= UCHAR_MAX &&  wxIspunct((unsigned char) c));}
-int wx_isspace(wx_wchar c) {return (c >= 0 && c <= UCHAR_MAX &&  wxIsspace((unsigned char) c));}
-
-wx_wchar wx_toupper(wx_wchar c) 
-{
-       if (c >= 0 && c <= UCHAR_MAX)
-               return wxToupper((unsigned char) c);
-       return c;
-
-}
-
-wx_wchar wx_tolower(wx_wchar c)
-{
-       if (c >= 0 && c <= UCHAR_MAX)
-               return wxTolower((unsigned char) c);
-       return c;
-}
-
-}
-
-#endif
-
 #endif // wxUSE_REGEX