// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "regex.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
wxRegExImpl();
~wxRegExImpl();
- // return TRUE if Compile() had been called successfully
+ // return true if Compile() had been called successfully
bool IsValid() const { return m_isCompiled; }
// RE operations
bool Compile(const wxString& expr, int flags = 0);
bool Matches(const wxChar *str, int flags = 0) const;
bool GetMatch(size_t *start, size_t *len, size_t index = 0) const;
+ size_t GetMatchCount() const;
int Replace(wxString *pattern, const wxString& replacement,
size_t maxMatches = 0) const;
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()
{
- m_isCompiled = FALSE;
+ m_isCompiled = false;
m_Matches = NULL;
m_nMatches = 0;
}
regmatch_t *m_Matches;
size_t m_nMatches;
- // TRUE if m_RegEx is valid
+ // true if m_RegEx is valid
bool m_isCompiled;
};
Free();
}
-wxString wxRegExImpl::GetErrorMsg(int errorcode) const
+wxString wxRegExImpl::GetErrorMsg(int errorcode, bool badconv) const
{
+#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
{
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 )
if ( flags & wxRE_NEWLINE )
flagsRE |= REG_NEWLINE;
+ // compile it
+#ifdef __REG_NOFRONT
+ bool conv = true;
+ int errorcode = wx_re_comp(&m_RegEx, expr, expr.length(), flagsRE);
+#else
+ const wxWX2MBbuf conv = expr.mbc_str();
+ int errorcode = conv ? regcomp(&m_RegEx, conv, flagsRE) : REG_BADPAT;
+#endif
-
- int errorcode = regcomp(&m_RegEx, expr, flagsRE);
-
- 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;
+ m_isCompiled = false;
}
else // ok
{
{
// 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++;
+ // have a bare '(' and this indicates a group start for the
+ // extended syntax. '(?' is used for extensions by perl-
+ // like REs (e.g. advanced), and is not valid for POSIX
+ // extended, so ignore them always.
+ if ( cptr[1] != _T('?') )
+ m_nMatches++;
}
}
}
- m_isCompiled = TRUE;
+ m_isCompiled = true;
}
return IsValid();
bool wxRegExImpl::Matches(const wxChar *str, int flags) const
{
- wxCHECK_MSG( IsValid(), FALSE, _T("must successfully Compile() first") );
+ wxCHECK_MSG( IsValid(), false, _T("must successfully Compile() first") );
// translate our flags to regexec() ones
wxASSERT_MSG( !(flags & ~(wxRE_NOTBOL | wxRE_NOTEOL)),
}
// do match it
- int rc = regexec(&self->m_RegEx, str, m_nMatches, m_Matches, flagsRE);
+#ifdef __REG_NOFRONT
+ bool conv = true;
+ int rc = wx_re_exec(&self->m_RegEx, str, wxStrlen(str), NULL, m_nMatches, m_Matches, flagsRE);
+#else
+ const wxWX2MBbuf conv = wxConvertWX2MB(str);
+ int rc = conv ? regexec(&self->m_RegEx, conv, m_nMatches, m_Matches, flagsRE) : REG_BADPAT;
+#endif
switch ( rc )
{
case 0:
// matched successfully
- return TRUE;
+ return true;
default:
- // an error occured
+ // an error occurred
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:
// no match
- return FALSE;
+ return false;
}
}
bool wxRegExImpl::GetMatch(size_t *start, size_t *len, size_t index) const
{
- wxCHECK_MSG( IsValid(), FALSE, _T("must successfully Compile() first") );
- wxCHECK_MSG( m_Matches, FALSE, _T("can't use with wxRE_NOSUB") );
- wxCHECK_MSG( index < m_nMatches, FALSE, _T("invalid match index") );
+ wxCHECK_MSG( IsValid(), false, _T("must successfully Compile() first") );
+ wxCHECK_MSG( m_nMatches, false, _T("can't use with wxRE_NOSUB") );
+ wxCHECK_MSG( m_Matches, false, _T("must call Matches() first") );
+ wxCHECK_MSG( index < m_nMatches, false, _T("invalid match index") );
const regmatch_t& match = m_Matches[index];
+ // we need the casts because rm_so can be a 64 bit quantity
if ( start )
- *start = match.rm_so;
+ *start = wx_truncate_cast(size_t, match.rm_so);
if ( len )
- *len = match.rm_eo - match.rm_so;
+ *len = wx_truncate_cast(size_t, match.rm_eo - match.rm_so);
+
+ return true;
+}
- return TRUE;
+size_t wxRegExImpl::GetMatchCount() const
+{
+ wxCHECK_MSG( IsValid(), 0, _T("must successfully Compile() first") );
+ wxCHECK_MSG( m_nMatches, 0, _T("can't use with wxRE_NOSUB") );
+
+ return m_nMatches;
}
int wxRegExImpl::Replace(wxString *text,
const wxString& replacement,
size_t maxMatches) const
{
- wxCHECK_MSG( text, -1, _T("NULL text in wxRegEx::Replace") );
- wxCHECK_MSG( IsValid(), -1, _T("must successfully Compile() first") );
+ wxCHECK_MSG( text, wxNOT_FOUND, _T("NULL text in wxRegEx::Replace") );
+ wxCHECK_MSG( IsValid(), wxNOT_FOUND, _T("must successfully Compile() first") );
// the replacement text
wxString textNew;
// the replacement text anew after each match
if ( mayHaveBackrefs )
{
- mayHaveBackrefs = FALSE;
+ mayHaveBackrefs = false;
textNew.clear();
textNew.reserve(replacement.length());
textNew += wxString(text->c_str() + matchStart + start,
len);
- mayHaveBackrefs = TRUE;
+ mayHaveBackrefs = true;
}
}
else // ordinary character
// we did have match as Matches() returned true above!
wxFAIL_MSG( _T("internal logic error in wxRegEx::Replace") );
- return -1;
+ return wxNOT_FOUND;
}
matchStart += start;
delete m_impl;
m_impl = NULL;
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
bool wxRegEx::Matches(const wxChar *str, int flags) const
{
- wxCHECK_MSG( IsValid(), FALSE, _T("must successfully Compile() first") );
+ wxCHECK_MSG( IsValid(), false, _T("must successfully Compile() first") );
return m_impl->Matches(str, flags);
}
bool wxRegEx::GetMatch(size_t *start, size_t *len, size_t index) const
{
- wxCHECK_MSG( IsValid(), FALSE, _T("must successfully Compile() first") );
+ wxCHECK_MSG( IsValid(), false, _T("must successfully Compile() first") );
return m_impl->GetMatch(start, len, index);
}
return text.Mid(start, len);
}
+size_t wxRegEx::GetMatchCount() const
+{
+ wxCHECK_MSG( IsValid(), 0, _T("must successfully Compile() first") );
+
+ return m_impl->GetMatchCount();
+}
+
int wxRegEx::Replace(wxString *pattern,
const wxString& replacement,
size_t maxMatches) const
{
- wxCHECK_MSG( IsValid(), -1, _T("must successfully Compile() first") );
+ wxCHECK_MSG( IsValid(), wxNOT_FOUND, _T("must successfully Compile() first") );
return m_impl->Replace(pattern, replacement, maxMatches);
}
projects / wxWidgets.git / blobdiff