X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d4ffe273ca70deb8e2cff7be9a07b0640e24bee0..1c383dbac927bbcc728365b2f8894a5ce676b19b:/src/common/string.cpp diff --git a/src/common/string.cpp b/src/common/string.cpp index 4d80612280..c18e35f606 100644 --- a/src/common/string.cpp +++ b/src/common/string.cpp @@ -36,7 +36,7 @@ #include "wx/string.h" #include "wx/intl.h" #if wxUSE_THREADS - #include + #include "wx/thread.h" #endif #endif @@ -56,6 +56,11 @@ IMPLEMENT_DYNAMIC_CLASS(wxString, wxObject) #endif //WXSTRING_IS_WXOBJECT +#if wxUSE_UNICODE +#undef wxUSE_EXPERIMENTAL_PRINTF +#define wxUSE_EXPERIMENTAL_PRINTF 1 +#endif + // allocating extra space for each string consumes more memory but speeds up // the concatenation operations (nLen is the current string's length) // NB: EXTRA_ALLOC must be >= 0! @@ -80,15 +85,22 @@ static const struct { wxStringData data; wxChar dummy; -} g_strEmpty = { {-1, 0, 0}, _T('\0') }; +} g_strEmpty = { {-1, 0, 0}, wxT('\0') }; // empty C style string: points to 'string data' byte of g_strEmpty -extern const wxChar WXDLLEXPORT *g_szNul = &g_strEmpty.dummy; +extern const wxChar WXDLLEXPORT *wxEmptyString = &g_strEmpty.dummy; // ---------------------------------------------------------------------------- // conditional compilation // ---------------------------------------------------------------------------- +#if !defined(__WXSW__) && wxUSE_UNICODE + #ifdef wxUSE_EXPERIMENTAL_PRINTF + #undef wxUSE_EXPERIMENTAL_PRINTF + #endif + #define wxUSE_EXPERIMENTAL_PRINTF 1 +#endif + // we want to find out if the current platform supports vsnprintf()-like // function: for Unix this is done with configure, for Windows we test the // compiler explicitly. @@ -113,7 +125,7 @@ extern const wxChar WXDLLEXPORT *g_szNul = &g_strEmpty.dummy; #elif defined(__GNUG__) && !defined(__UNIX__) #warning "Using sprintf() because no snprintf()-like function defined" #elif defined(__MWERKS__) - #warning "Using sprintf() because no snprintf()-like function defined" + #warning "Using sprintf() because no snprintf()-like function defined" #endif //compiler #endif // no vsnprintf @@ -126,7 +138,7 @@ extern const wxChar WXDLLEXPORT *g_szNul = &g_strEmpty.dummy; // global functions // ---------------------------------------------------------------------------- -#ifdef wxSTD_STRING_COMPATIBILITY +#if defined(wxSTD_STRING_COMPATIBILITY) && wxUSE_STD_IOSTREAM // MS Visual C++ version 5.0 provides the new STL headers as well as the old // iostream ones. @@ -164,6 +176,12 @@ istream& operator>>(istream& is, wxString& WXUNUSED(str)) return is; } +ostream& operator<<(ostream& os, const wxString& str) +{ + os << str.c_str(); + return os; +} + #endif //std::string compatibility // ---------------------------------------------------------------------------- @@ -256,15 +274,14 @@ wxString::wxString(const void *pStart, const void *pEnd) wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength) { // first get necessary size - - size_t nLen = conv.MB2WC((wchar_t *) NULL, psz, 0); + size_t nLen = psz ? conv.MB2WC((wchar_t *) NULL, psz, 0) : 0; // nLength is number of *Unicode* characters here! - if (nLen > nLength) + if ((nLen != (size_t)-1) && (nLen > nLength)) nLen = nLength; // empty? - if ( nLen != 0 ) { + if ( (nLen != 0) && (nLen != (size_t)-1) ) { AllocBuffer(nLen); conv.MB2WC(m_pchData, psz, nLen); } @@ -273,17 +290,17 @@ wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength) } } -#else +#else // ANSI +#if wxUSE_WCHAR_T // from wide string wxString::wxString(const wchar_t *pwz) { // first get necessary size - - size_t nLen = wxWC2MB((char *) NULL, pwz, 0); + size_t nLen = pwz ? wxWC2MB((char *) NULL, pwz, 0) : 0; // empty? - if ( nLen != 0 ) { + if ( (nLen != 0) && (nLen != (size_t)-1) ) { AllocBuffer(nLen); wxWC2MB(m_pchData, pwz, nLen); } @@ -291,8 +308,9 @@ wxString::wxString(const wchar_t *pwz) Init(); } } +#endif // wxUSE_WCHAR_T -#endif +#endif // Unicode/ANSI // --------------------------------------------------------------------------- // memory allocation @@ -315,7 +333,7 @@ void wxString::AllocBuffer(size_t nLen) pData->nDataLength = nLen; pData->nAllocLength = nLen + EXTRA_ALLOC; m_pchData = pData->data(); // data starts after wxStringData - m_pchData[nLen] = _T('\0'); + m_pchData[nLen] = wxT('\0'); } // must be called before changing this string @@ -367,7 +385,7 @@ void wxString::Alloc(size_t nLen) pData->nDataLength = 0; pData->nAllocLength = nLen; m_pchData = pData->data(); // data starts after wxStringData - m_pchData[0u] = _T('\0'); + m_pchData[0u] = wxT('\0'); } else if ( pData->IsShared() ) { pData->Unlock(); // memory not freed because shared @@ -449,7 +467,7 @@ void wxString::AssignCopy(size_t nSrcLen, const wxChar *pszSrcData) AllocBeforeWrite(nSrcLen); memcpy(m_pchData, pszSrcData, nSrcLen*sizeof(wxChar)); GetStringData()->nDataLength = nSrcLen; - m_pchData[nSrcLen] = _T('\0'); + m_pchData[nSrcLen] = wxT('\0'); } } @@ -497,12 +515,14 @@ wxString& wxString::operator=(const unsigned char* psz) return *this; } +#if wxUSE_WCHAR_T wxString& wxString::operator=(const wchar_t *pwz) { wxString str(pwz); *this = str; return *this; } +#endif #endif @@ -549,7 +569,7 @@ void wxString::ConcatSelf(int nSrcLen, const wxChar *pszSrcData) // fast concatenation - all is done in our buffer memcpy(m_pchData + nLen, pszSrcData, nSrcLen*sizeof(wxChar)); - m_pchData[nNewLen] = _T('\0'); // put terminating '\0' + m_pchData[nNewLen] = wxT('\0'); // put terminating '\0' GetStringData()->nDataLength = nNewLen; // and fix the length } //else: the string to append was empty @@ -708,7 +728,7 @@ wxString wxString::Left(size_t nCount) const wxString wxString::BeforeFirst(wxChar ch) const { wxString str; - for ( const wxChar *pc = m_pchData; *pc != _T('\0') && *pc != ch; pc++ ) + for ( const wxChar *pc = m_pchData; *pc != wxT('\0') && *pc != ch; pc++ ) str += *pc; return str; @@ -748,7 +768,7 @@ size_t wxString::Replace(const wxChar *szOld, const wxChar *szNew, bool bReplace wxString strTemp; const wxChar *pCurrent = m_pchData; const wxChar *pSubstr; - while ( *pCurrent != _T('\0') ) { + while ( *pCurrent != wxT('\0') ) { pSubstr = wxStrstr(pCurrent, szOld); if ( pSubstr == NULL ) { // strTemp is unused if no replacements were made, so avoid the copy @@ -850,8 +870,8 @@ wxString& wxString::MakeLower() wxString& wxString::Trim(bool bFromRight) { // first check if we're going to modify the string at all - if ( !IsEmpty() && - ( + if ( !IsEmpty() && + ( (bFromRight && wxIsspace(GetChar(Len() - 1))) || (!bFromRight && wxIsspace(GetChar(0u))) ) @@ -868,7 +888,7 @@ wxString& wxString::Trim(bool bFromRight) psz--; // truncate at trailing space start - *++psz = _T('\0'); + *++psz = wxT('\0'); GetStringData()->nDataLength = psz - m_pchData; } else @@ -910,7 +930,7 @@ wxString& wxString::Truncate(size_t uiLen) if ( uiLen < Len() ) { CopyBeforeWrite(); - *(m_pchData + uiLen) = _T('\0'); + *(m_pchData + uiLen) = wxT('\0'); GetStringData()->nDataLength = uiLen; } //else: nothing to do, string is already short enough @@ -944,7 +964,7 @@ int wxString::Find(const wxChar *pszSub) const wxString& wxString::operator<<(int i) { wxString res; - res.Printf(_T("%d"), i); + res.Printf(wxT("%d"), i); return (*this) << res; } @@ -952,7 +972,7 @@ wxString& wxString::operator<<(int i) wxString& wxString::operator<<(float f) { wxString res; - res.Printf(_T("%f"), f); + res.Printf(wxT("%f"), f); return (*this) << res; } @@ -960,7 +980,7 @@ wxString& wxString::operator<<(float f) wxString& wxString::operator<<(double d) { wxString res; - res.Printf(_T("%g"), d); + res.Printf(wxT("%g"), d); return (*this) << res; } @@ -983,240 +1003,243 @@ int wxString::Printf(const wxChar *pszFormat, ...) int wxString::PrintfV(const wxChar* pszFormat, va_list argptr) { // static buffer to avoid dynamic memory allocation each time - static char s_szScratch[1024]; + char s_szScratch[1024]; // using static buffer causes internal compiler err +#if 0 #if wxUSE_THREADS // protect the static buffer static wxCriticalSection critsect; wxCriticalSectionLocker lock(critsect); #endif +#endif -#if 1 // the new implementation +#if wxUSE_EXPERIMENTAL_PRINTF +// the new implementation Reinit(); for (size_t n = 0; pszFormat[n]; n++) - if (pszFormat[n] == _T('%')) { + if (pszFormat[n] == wxT('%')) { static char s_szFlags[256] = "%"; size_t flagofs = 1; bool adj_left = FALSE, in_prec = FALSE, - prec_dot = FALSE, done = FALSE; + prec_dot = FALSE, done = FALSE; int ilen = 0; size_t min_width = 0, max_width = wxSTRING_MAXLEN; do { #define CHECK_PREC if (in_prec && !prec_dot) { s_szFlags[flagofs++] = '.'; prec_dot = TRUE; } - switch (pszFormat[++n]) { - case _T('\0'): - done = TRUE; - break; - case _T('%'): - *this += _T('%'); - done = TRUE; - break; - case _T('#'): - case _T('0'): - case _T(' '): - case _T('+'): - case _T('\''): - CHECK_PREC - s_szFlags[flagofs++] = pszFormat[n]; - break; - case _T('-'): - CHECK_PREC - adj_left = TRUE; - s_szFlags[flagofs++] = pszFormat[n]; - break; - case _T('.'): - CHECK_PREC - in_prec = TRUE; - prec_dot = FALSE; - max_width = 0; - // dot will be auto-added to s_szFlags if non-negative number follows - break; - case _T('h'): - ilen = -1; - CHECK_PREC - s_szFlags[flagofs++] = pszFormat[n]; - break; - case _T('l'): - ilen = 1; - CHECK_PREC - s_szFlags[flagofs++] = pszFormat[n]; - break; - case _T('q'): - case _T('L'): - ilen = 2; - CHECK_PREC - s_szFlags[flagofs++] = pszFormat[n]; - break; - case _T('Z'): - ilen = 3; - CHECK_PREC - s_szFlags[flagofs++] = pszFormat[n]; - break; - case _T('*'): - { - int len = va_arg(argptr, int); - if (in_prec) { - if (len<0) break; - CHECK_PREC - max_width = len; - } else { - if (len<0) { - adj_left = !adj_left; - s_szFlags[flagofs++] = '-'; - len = -len; - } - min_width = len; - } - flagofs += ::sprintf(s_szFlags+flagofs,"%d",len); - } - break; - case _T('1'): case _T('2'): case _T('3'): - case _T('4'): case _T('5'): case _T('6'): - case _T('7'): case _T('8'): case _T('9'): - { - int len = 0; - CHECK_PREC - while ((pszFormat[n]>=_T('0')) && (pszFormat[n]<=_T('9'))) { - s_szFlags[flagofs++] = pszFormat[n]; - len = len*10 + (pszFormat[n] - _T('0')); - n++; - } - if (in_prec) max_width = len; - else min_width = len; - n--; // the main loop pre-increments n again - } - break; - case _T('d'): - case _T('i'): - case _T('o'): - case _T('u'): - case _T('x'): - case _T('X'): - CHECK_PREC - s_szFlags[flagofs++] = pszFormat[n]; - s_szFlags[flagofs] = '\0'; - if (ilen == 0 ) { - int val = va_arg(argptr, int); - ::sprintf(s_szScratch, s_szFlags, val); - } - else if (ilen == -1) { - short int val = va_arg(argptr, short int); - ::sprintf(s_szScratch, s_szFlags, val); - } - else if (ilen == 1) { - long int val = va_arg(argptr, long int); - ::sprintf(s_szScratch, s_szFlags, val); - } - else if (ilen == 2) { + switch (pszFormat[++n]) { + case wxT('\0'): + done = TRUE; + break; + case wxT('%'): + *this += wxT('%'); + done = TRUE; + break; + case wxT('#'): + case wxT('0'): + case wxT(' '): + case wxT('+'): + case wxT('\''): + CHECK_PREC + s_szFlags[flagofs++] = pszFormat[n]; + break; + case wxT('-'): + CHECK_PREC + adj_left = TRUE; + s_szFlags[flagofs++] = pszFormat[n]; + break; + case wxT('.'): + CHECK_PREC + in_prec = TRUE; + prec_dot = FALSE; + max_width = 0; + // dot will be auto-added to s_szFlags if non-negative number follows + break; + case wxT('h'): + ilen = -1; + CHECK_PREC + s_szFlags[flagofs++] = pszFormat[n]; + break; + case wxT('l'): + ilen = 1; + CHECK_PREC + s_szFlags[flagofs++] = pszFormat[n]; + break; + case wxT('q'): + case wxT('L'): + ilen = 2; + CHECK_PREC + s_szFlags[flagofs++] = pszFormat[n]; + break; + case wxT('Z'): + ilen = 3; + CHECK_PREC + s_szFlags[flagofs++] = pszFormat[n]; + break; + case wxT('*'): + { + int len = va_arg(argptr, int); + if (in_prec) { + if (len<0) break; + CHECK_PREC + max_width = len; + } else { + if (len<0) { + adj_left = !adj_left; + s_szFlags[flagofs++] = '-'; + len = -len; + } + min_width = len; + } + flagofs += ::sprintf(s_szFlags+flagofs,"%d",len); + } + break; + case wxT('1'): case wxT('2'): case wxT('3'): + case wxT('4'): case wxT('5'): case wxT('6'): + case wxT('7'): case wxT('8'): case wxT('9'): + { + int len = 0; + CHECK_PREC + while ((pszFormat[n]>=wxT('0')) && (pszFormat[n]<=wxT('9'))) { + s_szFlags[flagofs++] = pszFormat[n]; + len = len*10 + (pszFormat[n] - wxT('0')); + n++; + } + if (in_prec) max_width = len; + else min_width = len; + n--; // the main loop pre-increments n again + } + break; + case wxT('d'): + case wxT('i'): + case wxT('o'): + case wxT('u'): + case wxT('x'): + case wxT('X'): + CHECK_PREC + s_szFlags[flagofs++] = pszFormat[n]; + s_szFlags[flagofs] = '\0'; + if (ilen == 0 ) { + int val = va_arg(argptr, int); + ::sprintf(s_szScratch, s_szFlags, val); + } + else if (ilen == -1) { + short int val = va_arg(argptr, short int); + ::sprintf(s_szScratch, s_szFlags, val); + } + else if (ilen == 1) { + long int val = va_arg(argptr, long int); + ::sprintf(s_szScratch, s_szFlags, val); + } + else if (ilen == 2) { #if SIZEOF_LONG_LONG - long long int val = va_arg(argptr, long long int); - ::sprintf(s_szScratch, s_szFlags, val); + long long int val = va_arg(argptr, long long int); + ::sprintf(s_szScratch, s_szFlags, val); #else - long int val = va_arg(argptr, long int); - ::sprintf(s_szScratch, s_szFlags, val); + long int val = va_arg(argptr, long int); + ::sprintf(s_szScratch, s_szFlags, val); #endif - } - else if (ilen == 3) { - size_t val = va_arg(argptr, size_t); - ::sprintf(s_szScratch, s_szFlags, val); - } - *this += wxString(s_szScratch); - done = TRUE; - break; - case _T('e'): - case _T('E'): - case _T('f'): - case _T('g'): - case _T('G'): - CHECK_PREC - s_szFlags[flagofs++] = pszFormat[n]; - s_szFlags[flagofs] = '\0'; - if (ilen == 2) { - long double val = va_arg(argptr, long double); - ::sprintf(s_szScratch, s_szFlags, val); - } else { - double val = va_arg(argptr, double); - ::sprintf(s_szScratch, s_szFlags, val); - } - *this += wxString(s_szScratch); - done = TRUE; - break; - case _T('p'): - { - void *val = va_arg(argptr, void *); - CHECK_PREC - s_szFlags[flagofs++] = pszFormat[n]; - s_szFlags[flagofs] = '\0'; - ::sprintf(s_szScratch, s_szFlags, val); - *this += wxString(s_szScratch); - done = TRUE; - } - break; - case _T('c'): - { - wxChar val = va_arg(argptr, int); - // we don't need to honor padding here, do we? - *this += val; - done = TRUE; - } - break; - case _T('s'): - if (ilen == -1) { - // wx extension: we'll let %hs mean non-Unicode strings - char *val = va_arg(argptr, char *); + } + else if (ilen == 3) { + size_t val = va_arg(argptr, size_t); + ::sprintf(s_szScratch, s_szFlags, val); + } + *this += wxString(s_szScratch); + done = TRUE; + break; + case wxT('e'): + case wxT('E'): + case wxT('f'): + case wxT('g'): + case wxT('G'): + CHECK_PREC + s_szFlags[flagofs++] = pszFormat[n]; + s_szFlags[flagofs] = '\0'; + if (ilen == 2) { + long double val = va_arg(argptr, long double); + ::sprintf(s_szScratch, s_szFlags, val); + } else { + double val = va_arg(argptr, double); + ::sprintf(s_szScratch, s_szFlags, val); + } + *this += wxString(s_szScratch); + done = TRUE; + break; + case wxT('p'): + { + void *val = va_arg(argptr, void *); + CHECK_PREC + s_szFlags[flagofs++] = pszFormat[n]; + s_szFlags[flagofs] = '\0'; + ::sprintf(s_szScratch, s_szFlags, val); + *this += wxString(s_szScratch); + done = TRUE; + } + break; + case wxT('c'): + { + wxChar val = va_arg(argptr, int); + // we don't need to honor padding here, do we? + *this += val; + done = TRUE; + } + break; + case wxT('s'): + if (ilen == -1) { + // wx extension: we'll let %hs mean non-Unicode strings + char *val = va_arg(argptr, char *); #if wxUSE_UNICODE - // ASCII->Unicode constructor handles max_width right - wxString s(val, wxConv_libc, max_width); + // ASCII->Unicode constructor handles max_width right + wxString s(val, wxConvLibc, max_width); #else - size_t len = wxSTRING_MAXLEN; - if (val) { - for (len = 0; val[len] && (len= 1) { - long int *val = va_arg(argptr, long int *); - *val = Len(); - } - done = TRUE; - break; - default: - if (wxIsalpha(pszFormat[n])) - // probably some flag not taken care of here yet - s_szFlags[flagofs++] = pszFormat[n]; - else { - // bad format - *this += _T('%'); // just to pass the glibc tst-printf.c - n--; - done = TRUE; - } - break; - } + if (s.Len() < min_width) + s.Pad(min_width - s.Len(), wxT(' '), adj_left); + *this += s; + } else { + wxChar *val = va_arg(argptr, wxChar *); + size_t len = wxSTRING_MAXLEN; + if (val) { + for (len = 0; val[len] && (len= 1) { + long int *val = va_arg(argptr, long int *); + *val = Len(); + } + done = TRUE; + break; + default: + if (wxIsalpha(pszFormat[n])) + // probably some flag not taken care of here yet + s_szFlags[flagofs++] = pszFormat[n]; + else { + // bad format + *this += wxT('%'); // just to pass the glibc tst-printf.c + n--; + done = TRUE; + } + break; + } #undef CHECK_PREC } while (!done); } else *this += pszFormat[n]; @@ -1262,33 +1285,37 @@ int wxString::PrintfV(const wxChar* pszFormat, va_list argptr) // ---------------------------------------------------------------------------- // misc other operations // ---------------------------------------------------------------------------- + +// returns TRUE if the string matches the pattern which may contain '*' and +// '?' metacharacters (as usual, '?' matches any character and '*' any number +// of them) bool wxString::Matches(const wxChar *pszMask) const { // check char by char const wxChar *pszTxt; - for ( pszTxt = c_str(); *pszMask != _T('\0'); pszMask++, pszTxt++ ) { + for ( pszTxt = c_str(); *pszMask != wxT('\0'); pszMask++, pszTxt++ ) { switch ( *pszMask ) { - case _T('?'): - if ( *pszTxt == _T('\0') ) + case wxT('?'): + if ( *pszTxt == wxT('\0') ) return FALSE; - pszTxt++; - pszMask++; + // pszText and pszMask will be incremented in the loop statement + break; - case _T('*'): + case wxT('*'): { // ignore special chars immediately following this one - while ( *pszMask == _T('*') || *pszMask == _T('?') ) + while ( *pszMask == wxT('*') || *pszMask == wxT('?') ) pszMask++; // if there is nothing more, match - if ( *pszMask == _T('\0') ) + if ( *pszMask == wxT('\0') ) return TRUE; // are there any other metacharacters in the mask? size_t uiLenMask; - const wxChar *pEndMask = wxStrpbrk(pszMask, _T("*?")); + const wxChar *pEndMask = wxStrpbrk(pszMask, wxT("*?")); if ( pEndMask != NULL ) { // we have to match the string between two metachars @@ -1318,7 +1345,7 @@ bool wxString::Matches(const wxChar *pszMask) const } // match only if nothing left - return *pszTxt == _T('\0'); + return *pszTxt == wxT('\0'); } // Count the number of chars @@ -1408,7 +1435,7 @@ size_t wxString::rfind(const wxString& str, size_t nStart) const wxASSERT( str.GetStringData()->IsValid() ); wxASSERT( nStart <= Len() ); - // # could be quicker than that + // TODO could be made much quicker than that const wxChar *p = c_str() + (nStart == npos ? Len() : nStart); while ( p >= c_str() + str.Len() ) { if ( wxStrncmp(p - str.Len(), str, str.Len()) == 0 ) @@ -1423,19 +1450,131 @@ size_t wxString::rfind(const wxString& str, size_t nStart) const #if !defined(__VISUALC__) || defined(__WIN32__) size_t wxString::rfind(const wxChar* sz, size_t nStart, size_t n) const { - return rfind(wxString(sz, n == npos ? 0 : n), nStart); + return rfind(wxString(sz, n == npos ? 0 : n), nStart); } size_t wxString::rfind(wxChar ch, size_t nStart) const { - wxASSERT( nStart <= Len() ); + if ( nStart == npos ) + { + nStart = Len(); + } + else + { + wxASSERT( nStart <= Len() ); + } - const wxChar *p = wxStrrchr(c_str() + nStart, ch); + const wxChar *p = wxStrrchr(c_str(), ch); - return p == NULL ? npos : p - c_str(); + if ( p == NULL ) + return npos; + + size_t result = p - c_str(); + return ( result > nStart ) ? npos : result; } #endif // VC++ 1.5 +size_t wxString::find_first_of(const wxChar* sz, size_t nStart) const +{ + const wxChar *start = c_str() + nStart; + const wxChar *firstOf = wxStrpbrk(start, sz); + if ( firstOf ) + return firstOf - start; + else + return npos; +} + +size_t wxString::find_last_of(const wxChar* sz, size_t nStart) const +{ + if ( nStart == npos ) + { + nStart = Len(); + } + else + { + wxASSERT( nStart <= Len() ); + } + + for ( const wxChar *p = c_str() + length() - 1; p >= c_str(); p-- ) + { + if ( wxStrchr(sz, *p) ) + return p - c_str(); + } + + return npos; +} + +size_t wxString::find_first_not_of(const wxChar* sz, size_t nStart) const +{ + if ( nStart == npos ) + { + nStart = Len(); + } + else + { + wxASSERT( nStart <= Len() ); + } + + size_t nAccept = wxStrspn(c_str() + nStart, sz); + if ( nAccept >= length() - nStart ) + return npos; + else + return nAccept; +} + +size_t wxString::find_first_not_of(wxChar ch, size_t nStart) const +{ + wxASSERT( nStart <= Len() ); + + for ( const wxChar *p = c_str() + nStart; *p; p++ ) + { + if ( *p != ch ) + return p - c_str(); + } + + return npos; +} + +size_t wxString::find_last_not_of(const wxChar* sz, size_t nStart) const +{ + if ( nStart == npos ) + { + nStart = Len(); + } + else + { + wxASSERT( nStart <= Len() ); + } + + for ( const wxChar *p = c_str() + nStart - 1; p >= c_str(); p-- ) + { + if ( !wxStrchr(sz, *p) ) + return p - c_str(); + } + + return npos; +} + +size_t wxString::find_last_not_of(wxChar ch, size_t nStart) const +{ + if ( nStart == npos ) + { + nStart = Len(); + } + else + { + wxASSERT( nStart <= Len() ); + } + + for ( const wxChar *p = c_str() + nStart - 1; p >= c_str(); p-- ) + { + if ( *p != ch ) + return p - c_str(); + } + + return npos; +} + wxString wxString::substr(size_t nStart, size_t nLen) const { // npos means 'take all' @@ -1506,11 +1645,12 @@ wxString& wxString::replace(size_t nStart, size_t nLen, #define STRING(p) ((wxString *)(&(p))) // ctor -wxArrayString::wxArrayString() +wxArrayString::wxArrayString(bool autoSort) { m_nSize = m_nCount = 0; m_pItems = (wxChar **) NULL; + m_autoSort = autoSort; } // copy ctor @@ -1519,6 +1659,7 @@ wxArrayString::wxArrayString(const wxArrayString& src) m_nSize = m_nCount = 0; m_pItems = (wxChar **) NULL; + m_autoSort = src.m_autoSort; *this = src; } @@ -1529,18 +1670,30 @@ wxArrayString& wxArrayString::operator=(const wxArrayString& src) if ( m_nSize > 0 ) Clear(); + Copy(src); + + return *this; +} + +void wxArrayString::Copy(const wxArrayString& src) +{ if ( src.m_nCount > ARRAY_DEFAULT_INITIAL_SIZE ) Alloc(src.m_nCount); // we can't just copy the pointers here because otherwise we would share - // the strings with another array - for ( size_t n = 0; n < src.m_nCount; n++ ) - Add(src[n]); - + // the strings with another array because strings are ref counted +#if 0 if ( m_nCount != 0 ) memcpy(m_pItems, src.m_pItems, m_nCount*sizeof(wxChar *)); +#endif // 0 - return *this; + for ( size_t n = 0; n < src.m_nCount; n++ ) + Add(src[n]); + + // if the other array is auto sorted too, we're already sorted, but + // otherwise we should rearrange the items + if ( m_autoSort && !src.m_autoSort ) + Sort(); } // grow the array @@ -1556,7 +1709,12 @@ void wxArrayString::Grow() else { // otherwise when it's called for the first time, nIncrement would be 0 // and the array would never be expanded +#if defined(__VISAGECPP__) && defined(__WXDEBUG__) + int array_size = ARRAY_DEFAULT_INITIAL_SIZE; + wxASSERT( array_size != 0 ); +#else wxASSERT( ARRAY_DEFAULT_INITIAL_SIZE != 0 ); +#endif // add 50% but not too much size_t nIncrement = m_nSize < ARRAY_DEFAULT_INITIAL_SIZE @@ -1633,7 +1791,7 @@ void wxArrayString::Shrink() // only do it if we have some memory to free if( m_nCount < m_nSize ) { // allocates exactly as much memory as we need - wxChar **pNew = new wxChar *[m_nCount]; + wxChar **pNew = new wxChar *[m_nCount]; // copy data to new location memcpy(pNew, m_pItems, m_nCount*sizeof(wxChar *)); @@ -1645,20 +1803,46 @@ void wxArrayString::Shrink() // searches the array for an item (forward or backwards) int wxArrayString::Index(const wxChar *sz, bool bCase, bool bFromEnd) const { - if ( bFromEnd ) { - if ( m_nCount > 0 ) { - size_t ui = m_nCount; - do { - if ( STRING(m_pItems[--ui])->IsSameAs(sz, bCase) ) - return ui; - } - while ( ui != 0 ); + if ( m_autoSort ) { + // use binary search in the sorted array + wxASSERT_MSG( bCase && !bFromEnd, + wxT("search parameters ignored for auto sorted array") ); + + size_t i, + lo = 0, + hi = m_nCount; + int res; + while ( lo < hi ) { + i = (lo + hi)/2; + + res = wxStrcmp(sz, m_pItems[i]); + if ( res < 0 ) + hi = i; + else if ( res > 0 ) + lo = i + 1; + else + return i; } + + return wxNOT_FOUND; } else { - for( size_t ui = 0; ui < m_nCount; ui++ ) { - if( STRING(m_pItems[ui])->IsSameAs(sz, bCase) ) - return ui; + // use linear search in unsorted array + if ( bFromEnd ) { + if ( m_nCount > 0 ) { + size_t ui = m_nCount; + do { + if ( STRING(m_pItems[--ui])->IsSameAs(sz, bCase) ) + return ui; + } + while ( ui != 0 ); + } + } + else { + for( size_t ui = 0; ui < m_nCount; ui++ ) { + if( STRING(m_pItems[ui])->IsSameAs(sz, bCase) ) + return ui; + } } } @@ -1666,15 +1850,47 @@ int wxArrayString::Index(const wxChar *sz, bool bCase, bool bFromEnd) const } // add item at the end -void wxArrayString::Add(const wxString& str) -{ - wxASSERT( str.GetStringData()->IsValid() ); +size_t wxArrayString::Add(const wxString& str) +{ + if ( m_autoSort ) { + // insert the string at the correct position to keep the array sorted + size_t i, + lo = 0, + hi = m_nCount; + int res; + while ( lo < hi ) { + i = (lo + hi)/2; + + res = wxStrcmp(str, m_pItems[i]); + if ( res < 0 ) + hi = i; + else if ( res > 0 ) + lo = i + 1; + else { + lo = hi = i; + break; + } + } - Grow(); + wxASSERT_MSG( lo == hi, wxT("binary search broken") ); - // the string data must not be deleted! - str.GetStringData()->Lock(); - m_pItems[m_nCount++] = (wxChar *)str.c_str(); + Insert(str, lo); + + return (size_t)lo; + } + else { + wxASSERT( str.GetStringData()->IsValid() ); + + Grow(); + + // the string data must not be deleted! + str.GetStringData()->Lock(); + + // just append + m_pItems[m_nCount] = (wxChar *)str.c_str(); // const_cast + + return m_nCount++; + } } // add item at the given position @@ -1682,7 +1898,7 @@ void wxArrayString::Insert(const wxString& str, size_t nIndex) { wxASSERT( str.GetStringData()->IsValid() ); - wxCHECK_RET( nIndex <= m_nCount, _("bad index in wxArrayString::Insert") ); + wxCHECK_RET( nIndex <= m_nCount, wxT("bad index in wxArrayString::Insert") ); Grow(); @@ -1698,7 +1914,7 @@ void wxArrayString::Insert(const wxString& str, size_t nIndex) // removes item from array (by index) void wxArrayString::Remove(size_t nIndex) { - wxCHECK_RET( nIndex <= m_nCount, _("bad index in wxArrayString::Remove") ); + wxCHECK_RET( nIndex <= m_nCount, wxT("bad index in wxArrayString::Remove") ); // release our lock Item(nIndex).GetStringData()->Unlock(); @@ -1714,7 +1930,7 @@ void wxArrayString::Remove(const wxChar *sz) int iIndex = Index(sz); wxCHECK_RET( iIndex != wxNOT_FOUND, - _("removing inexistent element in wxArrayString::Remove") ); + wxT("removing inexistent element in wxArrayString::Remove") ); Remove(iIndex); } @@ -1751,7 +1967,7 @@ static wxArrayString::CompareFunction gs_compareFunction = NULL; static bool gs_sortAscending = TRUE; // function which is called by quick sort -static int wxStringCompareFunction(const void *first, const void *second) +static int LINKAGEMODE wxStringCompareFunction(const void *first, const void *second) { wxString *strFirst = (wxString *)first; wxString *strSecond = (wxString *)second; @@ -1794,291 +2010,10 @@ void wxArrayString::Sort(bool reverseOrder) void wxArrayString::DoSort() { + wxCHECK_RET( !m_autoSort, wxT("can't use this method with sorted arrays") ); + // just sort the pointers using qsort() - of course it only works because // wxString() *is* a pointer to its data qsort(m_pItems, m_nCount, sizeof(wxChar *), wxStringCompareFunction); } -// ============================================================================ -// MBConv -// ============================================================================ - -WXDLLEXPORT_DATA(wxMBConv *) wxConv_current = &wxConv_libc; - -// ---------------------------------------------------------------------------- -// standard libc conversion -// ---------------------------------------------------------------------------- - -WXDLLEXPORT_DATA(wxMBConv) wxConv_libc; - -size_t wxMBConv::MB2WC(wchar_t *buf, const char *psz, size_t n) const -{ - return wxMB2WC(buf, psz, n); -} - -size_t wxMBConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const -{ - return wxWC2MB(buf, psz, n); -} - -// ---------------------------------------------------------------------------- -// standard file conversion -// ---------------------------------------------------------------------------- - -WXDLLEXPORT_DATA(wxMBConv_file) wxConv_file; - -// just use the libc conversion for now -size_t wxMBConv_file::MB2WC(wchar_t *buf, const char *psz, size_t n) const -{ - return wxMB2WC(buf, psz, n); -} - -size_t wxMBConv_file::WC2MB(char *buf, const wchar_t *psz, size_t n) const -{ - return wxWC2MB(buf, psz, n); -} - -// ---------------------------------------------------------------------------- -// standard gdk conversion -// ---------------------------------------------------------------------------- - -#ifdef __WXGTK__ -WXDLLEXPORT_DATA(wxMBConv_gdk) wxConv_gdk; - -#include - -size_t wxMBConv_gdk::MB2WC(wchar_t *buf, const char *psz, size_t n) const -{ - if (buf) { - return gdk_mbstowcs((GdkWChar *)buf, psz, n); - } else { - GdkWChar *nbuf = new GdkWChar[n=strlen(psz)]; - size_t len = gdk_mbstowcs(nbuf, psz, n); - delete [] nbuf; - return len; - } -} - -size_t wxMBConv_gdk::WC2MB(char *buf, const wchar_t *psz, size_t n) const -{ - char *mbstr = gdk_wcstombs((GdkWChar *)psz); - size_t len = mbstr ? strlen(mbstr) : 0; - if (buf) { - if (len > n) len = n; - memcpy(buf, psz, len); - if (len < n) buf[len] = 0; - } - return len; -} -#endif - -// ---------------------------------------------------------------------------- -// UTF-7 -// ---------------------------------------------------------------------------- - -WXDLLEXPORT_DATA(wxMBConv_UTF7) wxConv_UTF7; - -// TODO: write actual implementations of UTF-7 here -size_t wxMBConv_UTF7::MB2WC(wchar_t *buf, const char *psz, size_t n) const -{ - return 0; -} - -size_t wxMBConv_UTF7::WC2MB(char *buf, const wchar_t *psz, size_t n) const -{ - return 0; -} - -// ---------------------------------------------------------------------------- -// UTF-8 -// ---------------------------------------------------------------------------- - -WXDLLEXPORT_DATA(wxMBConv_UTF8) wxConv_UTF8; - -// TODO: write actual implementations of UTF-8 here -size_t wxMBConv_UTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const -{ - return wxMB2WC(buf, psz, n); -} - -size_t wxMBConv_UTF8::WC2MB(char *buf, const wchar_t *psz, size_t n) const -{ - return wxWC2MB(buf, psz, n); -} - -// ---------------------------------------------------------------------------- -// specified character set -// ---------------------------------------------------------------------------- - -class wxCharacterSet -{ -public: - wxArrayString names; - wchar_t *data; -}; - -#ifndef WX_PRECOMP - #include "wx/dynarray.h" - #include "wx/filefn.h" - #include "wx/textfile.h" - #include "wx/tokenzr.h" - #include "wx/utils.h" -#endif - -WX_DECLARE_OBJARRAY(wxCharacterSet, wxCSArray); -#include "wx/arrimpl.cpp" -WX_DEFINE_OBJARRAY(wxCSArray); - -static wxCSArray wxCharsets; - -static void wxLoadCharacterSets(void) -{ - static bool already_loaded = FALSE; - -#if defined(__UNIX__) && wxUSE_UNICODE - // search through files in /usr/share/i18n/charmaps - for (wxString fname = ::wxFindFirstFile(_T("/usr/share/i18n/charmaps/*")); - !fname.IsEmpty(); - fname = ::wxFindNextFile()) { - wxTextFile cmap(fname); - if (cmap.Open()) { - wxCharacterSet *cset = new wxCharacterSet; - wxString comchar,escchar; - bool in_charset = FALSE; - - wxPrintf(_T("yup, loaded %s\n"),fname.c_str()); - - for (wxString line = cmap.GetFirstLine(); - !cmap.Eof(); - line = cmap.GetNextLine()) { - wxPrintf(_T("line contents: %s\n"),line.c_str()); - wxStringTokenizer token(line); - wxString cmd = token.GetNextToken(); - if (cmd == comchar) { - if (token.GetNextToken() == _T("alias")) { - wxStringTokenizer names(token.GetNextToken(),_T("/")); - wxString name; - while (!(name = names.GetNextToken()).IsEmpty()) - cset->names.Add(name); - } - } - else if (cmd == _T("")) - cset->names.Add(token.GetNextToken()); - else if (cmd == _T("")) - comchar = token.GetNextToken(); - else if (cmd == _T("")) - escchar = token.GetNextToken(); - else if (cmd == _T("data = (wchar_t *)calloc(256, sizeof(wxChar)); - in_charset = TRUE; - } - else if (cmd == _T("END")) { - if (token.GetNextToken() == _T("CHARMAP")) - in_charset = FALSE; - } - else if (in_charset) { - // format: /x00 NULL (NUL) - wxString hex = token.GetNextToken(); - wxString uni = token.GetNextToken(); - // just assume that we've got the right format - int pos = ::wxHexToDec(hex.Mid(2,2)); - unsigned long uni1 = ::wxHexToDec(uni.Mid(2,2)); - unsigned long uni2 = ::wxHexToDec(uni.Mid(4,2)); - cset->data[pos] = (uni1 << 16) | uni2; - } - } - cset->names.Shrink(); - wxCharsets.Add(cset); - forget_it: - continue; - } - } -#endif - wxCharsets.Shrink(); - already_loaded = TRUE; -} - -static wxCharacterSet *wxFindCharacterSet(const wxString& charset) -{ - for (size_t n=0; n4) { - if (wxString(charset,4) == _T("8859")) { - codeset << _T("8859-"); - if (*charset == _T('-')) charset++; - } - } - } - codeset << charset; - codeset.MakeUpper(); - cset = wxFindCharacterSet(codeset); -#endif -} - -wxCSConv::~wxCSConv(void) -{ -} - -size_t wxCSConv::MB2WC(wchar_t *buf, const char *psz, size_t n) const -{ - if (buf) { - if (cset) { - for (size_t c=0; c<=n; c++) - buf[c] = cset->data[psz[c]]; - } else { - // latin-1 (direct) - for (size_t c=0; c<=n; c++) - buf[c] = psz[c]; - } - } - return n; -} - -size_t wxCSConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const -{ - if (buf) { - if (cset) { - for (size_t c=0; c<=n; c++) { - size_t n; - for (n=0; (n<256) && (cset->data[n] != psz[c]); n++); - buf[c] = (n>0xff) ? '?' : n; - } - } else { - // latin-1 (direct) - for (size_t c=0; c<=n; c++) - buf[c] = (psz[c]>0xff) ? '?' : psz[c]; - } - } - return n; -} -