// Author: Vadim Zeitlin
// Modified by:
// Created: 29/01/98
-// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
# include <stdlib.h>
#endif
-#ifdef HAVE_STRCASECMP_IN_STRINGS_H
- #include <strings.h> // for strcasecmp()
-#endif // HAVE_STRCASECMP_IN_STRINGS_H
-
#include "wx/wxcrtbase.h" // for wxChar, wxStrlen() etc.
#include "wx/strvararg.h"
#include "wx/buffer.h" // for wxCharBuffer
// portable strcasecmp/_stricmp
wxDEPRECATED( inline int Stricmp(const char *psz1, const char *psz2) );
inline int Stricmp(const char *psz1, const char *psz2)
-{
-#if defined(__VISUALC__) && defined(__WXWINCE__)
- register char c1, c2;
- do {
- c1 = tolower(*psz1++);
- c2 = tolower(*psz2++);
- } while ( c1 && (c1 == c2) );
-
- return c1 - c2;
-#elif defined(__VISUALC__) || ( defined(__MWERKS__) && defined(__INTEL__) )
- return _stricmp(psz1, psz2);
-#elif defined(__SC__)
- return _stricmp(psz1, psz2);
-#elif defined(__BORLANDC__)
- return stricmp(psz1, psz2);
-#elif defined(__WATCOMC__)
- return stricmp(psz1, psz2);
-#elif defined(__DJGPP__)
- return stricmp(psz1, psz2);
-#elif defined(__EMX__)
- return stricmp(psz1, psz2);
-#elif defined(__WXPM__)
- return stricmp(psz1, psz2);
-#elif defined(HAVE_STRCASECMP_IN_STRING_H) || \
- defined(HAVE_STRCASECMP_IN_STRINGS_H) || \
- defined(__GNUWIN32__)
- return strcasecmp(psz1, psz2);
-#elif defined(__MWERKS__) && !defined(__INTEL__)
- register char c1, c2;
- do {
- c1 = tolower(*psz1++);
- c2 = tolower(*psz2++);
- } while ( c1 && (c1 == c2) );
-
- return c1 - c2;
-#else
- // almost all compilers/libraries provide this function (unfortunately under
- // different names), that's why we don't implement our own which will surely
- // be more efficient than this code (uncomment to use):
- /*
- register char c1, c2;
- do {
- c1 = tolower(*psz1++);
- c2 = tolower(*psz2++);
- } while ( c1 && (c1 == c2) );
-
- return c1 - c2;
- */
-
- #error "Please define string case-insensitive compare for your OS/compiler"
-#endif // OS/compiler
-}
+ { return wxCRT_StricmpA(psz1, psz2); }
#endif // WXWIN_COMPATIBILITY_2_8
public: \
WX_DEFINE_ITERATOR_CATEGORY(WX_STR_ITERATOR_TAG) \
typedef wxUniChar value_type; \
- typedef int difference_type; \
+ typedef ptrdiff_t difference_type; \
typedef reference_type reference; \
typedef pointer_type pointer; \
\
#undef WX_STR_ITERATOR_TAG
#undef WX_STR_ITERATOR_IMPL
+ // This method is mostly used by wxWidgets itself and return the offset of
+ // the given iterator in bytes relative to the start of the buffer
+ // representing the current string contents in the current locale encoding.
+ //
+ // It is inefficient as it involves converting part of the string to this
+ // encoding (and also unsafe as it simply returns 0 if the conversion fails)
+ // and so should be avoided if possible, wx itself only uses it to implement
+ // backwards-compatible API.
+ ptrdiff_t IterOffsetInMBStr(const const_iterator& i) const
+ {
+ const wxString str(begin(), i);
+
+ // This is logically equivalent to strlen(str.mb_str()) but avoids
+ // actually converting the string to multibyte and just computes the
+ // length that it would have after conversion.
+ size_t ofs = wxConvLibc.FromWChar(NULL, 0, str.wc_str(), str.length());
+ return ofs == wxCONV_FAILED ? 0 : static_cast<ptrdiff_t>(ofs);
+ }
+
friend class iterator;
friend class const_iterator;
return *this;
}
+ // This is a non-standard-compliant overload taking the first "len"
+ // characters of the source string.
wxString& assign(const wxString& str, size_t len)
{
+#if wxUSE_STRING_POS_CACHE
+ // It is legal to pass len > str.length() to wxStringImpl::assign() but
+ // by restricting it here we save some work for that function so it's not
+ // really less efficient and, at the same time, ensure that we don't
+ // cache invalid length.
+ const size_t lenSrc = str.length();
+ if ( len > lenSrc )
+ len = lenSrc;
+
wxSTRING_SET_CACHED_LENGTH(len);
+#endif // wxUSE_STRING_POS_CACHE
m_impl.assign(str.m_impl, 0, str.LenToImpl(len));
wxString& assign(const char *sz, size_t n)
{
- wxSTRING_SET_CACHED_LENGTH(n);
+ wxSTRING_INVALIDATE_CACHE();
SubstrBufFromMB str(ImplStr(sz, n));
m_impl.assign(str.data, str.len);
void DoUngetWriteBuf(size_t nLen)
{
- wxSTRING_SET_CACHED_LENGTH(nLen);
+ wxSTRING_INVALIDATE_CACHE();
m_impl.DoUngetWriteBuf(nLen);
}