// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "regex.h"
#endif
#include "wx/intl.h"
#endif //WX_PRECOMP
+// FreeBSD, Watcom and DMars require this, CW doesn't have nor need it.
+// Others also don't seem to need it. If you have an error related to
+// (not) including <sys/types.h> please report details to
+// wx-dev@lists.wxwindows.org
+#if defined(__UNIX__) || defined(__WATCOMC__) || defined(__DIGITALMARS__)
+# 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
// ----------------------------------------------------------------------------
// return the string containing the error message for the given err code
wxString GetErrorMsg(int errorcode) const;
+ // init the members
+ void Init()
+ {
+ m_isCompiled = FALSE;
+ m_Matches = NULL;
+ m_nMatches = 0;
+ }
+
// free the RE if compiled
void Free()
{
if ( IsValid() )
{
regfree(&m_RegEx);
-
- m_isCompiled = FALSE;
}
+
+ delete [] m_Matches;
}
+ // free the RE if any and reinit the members
+ void Reinit()
+ {
+ Free();
+ Init();
+ }
+
+
// compiled RE
regex_t m_RegEx;
wxRegExImpl::wxRegExImpl()
{
- m_isCompiled = FALSE;
- m_Matches = NULL;
+ Init();
}
wxRegExImpl::~wxRegExImpl()
{
Free();
-
- delete [] m_Matches;
}
wxString wxRegExImpl::GetErrorMsg(int errorcode) const
{
len++;
+#ifdef wx_wchar
+ wxCharBuffer buf(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
}
else // regerror() returned 0
{
bool wxRegExImpl::Compile(const wxString& expr, int flags)
{
- Free();
+ Reinit();
// translate our flags to regcomp() ones
wxASSERT_MSG( !(flags &
if ( flags & wxRE_NEWLINE )
flagsRE |= REG_NEWLINE;
+
// compile it
- int errorcode = regcomp(&m_RegEx, expr, flagsRE);
- if ( errorcode )
+#ifdef wx_wchar
+ int errorcode = wx_regcomp(&m_RegEx, expr, expr.Length(), flagsRE);
+#else
+ int errorcode = regcomp(&m_RegEx, expr.mb_str(), flagsRE);
+#endif
+
+ if ( errorcode )
{
wxLogError(_("Invalid regular expression '%s': %s"),
expr.c_str(), GetErrorMsg(errorcode).c_str());
}
else
{
- // will alloc later
- m_nMatches = WX_REGEX_MAXMATCHES;
+ // we will alloc the array later (only if really needed) but count
+ // the number of sub-expressions in the regex right now
+
+ // there is always one for the whole expression
+ m_nMatches = 1;
+
+ // and some more for bracketed subexperessions
+ for ( const wxChar *cptr = expr.c_str(); *cptr; cptr++ )
+ {
+ if ( *cptr == _T('\\') )
+ {
+ // in basic RE syntax groups are inside \(...\)
+ if ( *++cptr == _T('(') && (flags & wxRE_BASIC) )
+ {
+ m_nMatches++;
+ }
+ }
+ else if ( *cptr == _T('(') && !(flags & wxRE_BASIC) )
+ {
+ // we know that the previous character is not an unquoted
+ // backslash because it would have been eaten above, so we
+ // have a bar '(' and this indicates a group start for the
+ // extended syntax
+ m_nMatches++;
+ }
+ }
}
m_isCompiled = TRUE;
}
// do match it
- int rc = regexec(&self->m_RegEx, str, m_nMatches, m_Matches, flagsRE);
+#ifdef wx_wchar
+ rm_detail_t rd;
+ int rc = wx_regexec(&self->m_RegEx, str, wxStrlen(str), &rd, m_nMatches, m_Matches, flagsRE);
+#else
+ int rc = regexec(&self->m_RegEx, wxConvertWX2MB(str), m_nMatches, m_Matches, flagsRE);
+#endif
switch ( rc )
{
wxCHECK_MSG( index < m_nMatches, FALSE, _T("invalid match index") );
const regmatch_t& match = m_Matches[index];
- if ( match.rm_so == -1 )
- return FALSE;
if ( start )
*start = match.rm_so;
size_t start, len;
if ( !GetMatch(&start, &len, index) )
{
- // we can't do it because GetMatch() returns FALSE
- // even for a valid back reference index if it didn't
- // match for this expression (e.g. it when alternative
- // branches were used and the one contained the back
- // ref didn't match)
- //
- // it would be better to distinguish between this case
- // and really invalid index, but I don't know how to
- // do it
-
- //wxFAIL_MSG( _T("invalid back reference") );
+ wxFAIL_MSG( _T("invalid back reference") );
// just eat it...
}
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