fixed crash when setting locale

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

diff --git a/src/common/regex.cpp b/src/common/regex.cpp
index d608a5773d45eec10457409dcc99433421e2026c..bc0faa554ee047cb2e2c661efad92e1c68d14aeb 100644 (file)
--- a/src/common/regex.cpp
+++ b/src/common/regex.cpp
@@ -32,6 +32,7 @@
     #include "wx/string.h"
     #include "wx/log.h"
     #include "wx/intl.h"
+    #include "wx/crt.h"
 #endif //WX_PRECOMP
 
 // FreeBSD, Watcom and DMars require this, CW doesn't have nor need it.
@@ -56,7 +57,11 @@
 #ifdef __REG_NOFRONT
 #   define WXREGEX_USING_BUILTIN
 #   define WXREGEX_IF_NEED_LEN(x) ,x
-#   define WXREGEX_CHAR(x) x
+#   if wxUSE_UNICODE
+#       define WXREGEX_CHAR(x) x.wc_str()
+#   else
+#       define WXREGEX_CHAR(x) x.mb_str()
+#   endif
 #else
 #   ifdef HAVE_RE_SEARCH
 #       define WXREGEX_IF_NEED_LEN(x) ,x
@@ -67,7 +72,7 @@
 #   if wxUSE_UNICODE
 #       define WXREGEX_CONVERT_TO_MB
 #   endif
-#   define WXREGEX_CHAR(x) wxConvertWX2MB(x)
+#   define WXREGEX_CHAR(x) x.mb_str()
 #   define wx_regfree regfree
 #   define wx_regerror regerror
 #endif
@@ -90,16 +95,14 @@ public:
     // we just use casts here because the fields of regmatch_t struct may be 64
     // bit but we're limited to size_t in our public API and are not going to
     // change it because operating on strings longer than 4GB using it is
-    // absolutely impractical anyhow, but still check at least in debug
+    // absolutely impractical anyhow
     size_t Start(size_t n) const
     {
-        wxASSERT_MSG( m_matches[n].rm_so < UINT_MAX, _T("regex offset overflow") );
         return wx_truncate_cast(size_t, m_matches[n].rm_so);
     }
 
     size_t End(size_t n) const
     {
-        wxASSERT_MSG( m_matches[n].rm_eo < UINT_MAX, _T("regex offset overflow") );
         return wx_truncate_cast(size_t, m_matches[n].rm_eo);
     }
 
@@ -251,7 +254,7 @@ wxString wxRegExImpl::GetErrorMsg(int errorcode, bool badconv) const
 
         (void)wx_regerror(errorcode, &m_RegEx, szcmbError, len);
 
-        szError = wxConvertMB2WX(szcmbError);
+        szError = wxConvLibc.cMB2WX(szcmbError);
         delete [] szcmbError;
     }
     else // regerror() returned 0
@@ -295,8 +298,11 @@ bool wxRegExImpl::Compile(const wxString& expr, int flags)
     // compile it
 #ifdef WXREGEX_USING_BUILTIN
     bool conv = true;
-    int errorcode = wx_re_comp(&m_RegEx, expr, expr.length(), flagsRE);
+    // FIXME-UTF8: use wc_str() after removing ANSI build
+    int errorcode = wx_re_comp(&m_RegEx, expr.c_str(), expr.length(), flagsRE);
 #else
+    // FIXME-UTF8: this is potentially broken, we shouldn't even try it
+    //             and should always use builtin regex library (or PCRE?)
     const wxWX2MBbuf conv = expr.mbc_str();
     int errorcode = conv ? regcomp(&m_RegEx, conv, flagsRE) : REG_BADPAT;
 #endif
@@ -636,21 +642,12 @@ bool wxRegEx::Compile(const wxString& expr, int flags)
     return true;
 }
 
-bool wxRegEx::Matches(const wxChar *str, int flags, size_t len) const
-{
-    wxCHECK_MSG( IsValid(), false, _T("must successfully Compile() first") );
-    (void)len;
-
-    return m_impl->Matches(WXREGEX_CHAR(str), flags WXREGEX_IF_NEED_LEN(len));
-}
-
-bool wxRegEx::Matches(const wxChar *str, int flags) const
+bool wxRegEx::Matches(const wxString& str, int flags) const
 {
     wxCHECK_MSG( IsValid(), false, _T("must successfully Compile() first") );
 
-    return m_impl->Matches(WXREGEX_CHAR(str),
-                           flags
-                           WXREGEX_IF_NEED_LEN(wxStrlen(str)));
+    return m_impl->Matches(WXREGEX_CHAR(str), flags
+                            WXREGEX_IF_NEED_LEN(str.length()));
 }
 
 bool wxRegEx::GetMatch(size_t *start, size_t *len, size_t index) const