diff options
Diffstat (limited to 'tools/source/string/tustring.cxx')
| -rw-r--r-- | tools/source/string/tustring.cxx | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/tools/source/string/tustring.cxx b/tools/source/string/tustring.cxx index 5edd160b5d69..9ef026f6cce8 100644 --- a/tools/source/string/tustring.cxx +++ b/tools/source/string/tustring.cxx @@ -155,4 +155,350 @@ double UniString::ToDouble() const return rtl_ustr_toDouble( mpData->maStr ); } +// ----------------------------------------------------------------------- + +xub_StrLen STRING::SearchChar( const STRCODE* pChars, xub_StrLen nIndex ) const +{ + DBG_CHKTHIS( STRING, DBGCHECKSTRING ); + + sal_Int32 nLen = mpData->mnLen; + const STRCODE* pStr = mpData->maStr; + pStr += nIndex; + while ( nIndex < nLen ) + { + STRCODE c = *pStr; + const STRCODE* pCompStr = pChars; + while ( *pCompStr ) + { + if ( *pCompStr == c ) + return nIndex; + ++pCompStr; + } + ++pStr, + ++nIndex; + } + + return STRING_NOTFOUND; +} + +// ----------------------------------------------------------------------- + +xub_StrLen STRING::SearchAndReplace( STRCODE c, STRCODE cRep, xub_StrLen nIndex ) +{ + DBG_CHKTHIS( STRING, DBGCHECKSTRING ); + + sal_Int32 nLen = mpData->mnLen; + const STRCODE* pStr = mpData->maStr; + pStr += nIndex; + while ( nIndex < nLen ) + { + if ( *pStr == c ) + { + ImplCopyData(); + mpData->maStr[nIndex] = cRep; + return nIndex; + } + ++pStr, + ++nIndex; + } + + return STRING_NOTFOUND; +} + +// ----------------------------------------------------------------------- + +STRING& STRING::Reverse() +{ + DBG_CHKTHIS( STRING, DBGCHECKSTRING ); + + if ( !mpData->mnLen ) + return *this; + + // Daten kopieren, wenn noetig + ImplCopyData(); + + // Reverse + sal_Int32 nCount = mpData->mnLen / 2; + for ( sal_Int32 i = 0; i < nCount; ++i ) + { + STRCODE cTemp = mpData->maStr[i]; + mpData->maStr[i] = mpData->maStr[mpData->mnLen-i-1]; + mpData->maStr[mpData->mnLen-i-1] = cTemp; + } + + return *this; +} + +// ----------------------------------------------------------------------- + +xub_StrLen STRING::Match( const STRCODE* pCharStr ) const +{ + DBG_CHKTHIS( STRING, DBGCHECKSTRING ); + + // Ist dieser String leer + if ( !mpData->mnLen ) + return STRING_MATCH; + + // Suche bis Stringende nach dem ersten nicht uebereinstimmenden Zeichen + const STRCODE* pStr = mpData->maStr; + xub_StrLen i = 0; + while ( i < mpData->mnLen ) + { + // Stimmt das Zeichen nicht ueberein, dann abbrechen + if ( *pStr != *pCharStr ) + return i; + ++pStr, + ++pCharStr, + ++i; + } + + return STRING_MATCH; +} + +// ----------------------------------------------------------------------- + +STRING& STRING::Insert( const STRING& rStr, xub_StrLen nPos, xub_StrLen nLen, + xub_StrLen nIndex ) +{ + DBG_CHKTHIS( STRING, DBGCHECKSTRING ); + DBG_CHKOBJ( &rStr, STRING, DBGCHECKSTRING ); + + // Stringlaenge ermitteln + if ( nPos > rStr.mpData->mnLen ) + nLen = 0; + else + { + // Laenge korrigieren, wenn noetig + sal_Int32 nMaxLen = rStr.mpData->mnLen-nPos; + if ( nLen > nMaxLen ) + nLen = static_cast< xub_StrLen >(nMaxLen); + } + + // Ueberlauf abfangen + sal_Int32 nCopyLen = ImplGetCopyLen( mpData->mnLen, nLen ); + + // Ist der einzufuegende String ein Leerstring + if ( !nCopyLen ) + return *this; + + // Index groesser als Laenge + if ( nIndex > mpData->mnLen ) + nIndex = static_cast< xub_StrLen >(mpData->mnLen); + + // Neue Laenge ermitteln und neuen String anlegen + STRINGDATA* pNewData = ImplAllocData( mpData->mnLen+nCopyLen ); + + // String kopieren + memcpy( pNewData->maStr, mpData->maStr, nIndex*sizeof( STRCODE ) ); + memcpy( pNewData->maStr+nIndex, rStr.mpData->maStr+nPos, nCopyLen*sizeof( STRCODE ) ); + memcpy( pNewData->maStr+nIndex+nCopyLen, mpData->maStr+nIndex, + (mpData->mnLen-nIndex)*sizeof( STRCODE ) ); + + // Alte Daten loeschen und Neue zuweisen + STRING_RELEASE((STRING_TYPE *)mpData); + mpData = pNewData; + + return *this; +} + +// ----------------------------------------------------------------------- + +xub_StrLen STRING::GetQuotedTokenCount( const STRING& rQuotedPairs, STRCODE cTok ) const +{ + DBG_CHKTHIS( STRING, DBGCHECKSTRING ); + DBG_CHKOBJ( &rQuotedPairs, STRING, DBGCHECKSTRING ); + DBG_ASSERT( !(rQuotedPairs.Len()%2), "String::GetQuotedTokenCount() - QuotedString%2 != 0" ); + DBG_ASSERT( rQuotedPairs.Search(cTok) == STRING_NOTFOUND, "String::GetQuotedTokenCount() - cTok in QuotedString" ); + + // Leerer String: TokenCount per Definition 0 + if ( !mpData->mnLen ) + return 0; + + xub_StrLen nTokCount = 1; + sal_Int32 nLen = mpData->mnLen; + xub_StrLen nQuotedLen = rQuotedPairs.Len(); + STRCODE cQuotedEndChar = 0; + const STRCODE* pQuotedStr = rQuotedPairs.mpData->maStr; + const STRCODE* pStr = mpData->maStr; + sal_Int32 nIndex = 0; + while ( nIndex < nLen ) + { + STRCODE c = *pStr; + if ( cQuotedEndChar ) + { + // Ende des Quotes erreicht ? + if ( c == cQuotedEndChar ) + cQuotedEndChar = 0; + } + else + { + // Ist das Zeichen ein Quote-Anfang-Zeichen ? + xub_StrLen nQuoteIndex = 0; + while ( nQuoteIndex < nQuotedLen ) + { + if ( pQuotedStr[nQuoteIndex] == c ) + { + cQuotedEndChar = pQuotedStr[nQuoteIndex+1]; + break; + } + else + nQuoteIndex += 2; + } + + // Stimmt das Tokenzeichen ueberein, dann erhoehe TokCount + if ( c == cTok ) + ++nTokCount; + } + + ++pStr, + ++nIndex; + } + + return nTokCount; +} + +// ----------------------------------------------------------------------- + +STRING STRING::GetQuotedToken( xub_StrLen nToken, const STRING& rQuotedPairs, + STRCODE cTok, xub_StrLen& rIndex ) const +{ + DBG_CHKTHIS( STRING, DBGCHECKSTRING ); + DBG_CHKOBJ( &rQuotedPairs, STRING, DBGCHECKSTRING ); + DBG_ASSERT( !(rQuotedPairs.Len()%2), "String::GetQuotedToken() - QuotedString%2 != 0" ); + DBG_ASSERT( rQuotedPairs.Search(cTok) == STRING_NOTFOUND, "String::GetQuotedToken() - cTok in QuotedString" ); + + const STRCODE* pStr = mpData->maStr; + const STRCODE* pQuotedStr = rQuotedPairs.mpData->maStr; + STRCODE cQuotedEndChar = 0; + xub_StrLen nQuotedLen = rQuotedPairs.Len(); + xub_StrLen nLen = (xub_StrLen)mpData->mnLen; + xub_StrLen nTok = 0; + xub_StrLen nFirstChar = rIndex; + xub_StrLen i = nFirstChar; + + // Bestimme die Token-Position und Laenge + pStr += i; + while ( i < nLen ) + { + STRCODE c = *pStr; + if ( cQuotedEndChar ) + { + // Ende des Quotes erreicht ? + if ( c == cQuotedEndChar ) + cQuotedEndChar = 0; + } + else + { + // Ist das Zeichen ein Quote-Anfang-Zeichen ? + xub_StrLen nQuoteIndex = 0; + while ( nQuoteIndex < nQuotedLen ) + { + if ( pQuotedStr[nQuoteIndex] == c ) + { + cQuotedEndChar = pQuotedStr[nQuoteIndex+1]; + break; + } + else + nQuoteIndex += 2; + } + + // Stimmt das Tokenzeichen ueberein, dann erhoehe TokCount + if ( c == cTok ) + { + ++nTok; + + if ( nTok == nToken ) + nFirstChar = i+1; + else + { + if ( nTok > nToken ) + break; + } + } + } + + ++pStr, + ++i; + } + + if ( nTok >= nToken ) + { + if ( i < nLen ) + rIndex = i+1; + else + rIndex = STRING_NOTFOUND; + return Copy( nFirstChar, i-nFirstChar ); + } + else + { + rIndex = STRING_NOTFOUND; + return STRING(); + } +} + +// ----------------------------------------------------------------------- + +sal_Bool STRING::EqualsIgnoreCaseAscii( const STRING& rStr, xub_StrLen nIndex, xub_StrLen nLen ) const +{ + DBG_CHKTHIS( STRING, DBGCHECKSTRING ); + DBG_CHKOBJ( &rStr, STRING, DBGCHECKSTRING ); + + // Are there enough codes for comparing? + if ( nIndex > mpData->mnLen ) + return (rStr.mpData->mnLen == 0); + sal_Int32 nMaxLen = mpData->mnLen-nIndex; + if ( nMaxLen < nLen ) + { + if ( rStr.mpData->mnLen != nMaxLen ) + return sal_False; + nLen = static_cast< xub_StrLen >(nMaxLen); + } + + // String vergleichen + return (ImplStringICompareWithoutZero( mpData->maStr+nIndex, rStr.mpData->maStr, nLen ) == 0); +} + +// ----------------------------------------------------------------------- + +sal_Bool STRING::EqualsIgnoreCaseAscii( const STRCODE* pCharStr, xub_StrLen nIndex, xub_StrLen nLen ) const +{ + DBG_CHKTHIS( STRING, DBGCHECKSTRING ); + + // Are there enough codes for comparing? + if ( nIndex > mpData->mnLen ) + return (*pCharStr == 0); + + return (ImplStringICompare( mpData->maStr+nIndex, pCharStr, nLen ) == 0); +} + +// ----------------------------------------------------------------------- + +StringCompare STRING::CompareIgnoreCaseToAscii( const STRING& rStr, + xub_StrLen nLen ) const +{ + DBG_CHKTHIS( STRING, DBGCHECKSTRING ); + DBG_CHKOBJ( &rStr, STRING, DBGCHECKSTRING ); + + // Auf Gleichheit der Pointer testen + if ( mpData == rStr.mpData ) + return COMPARE_EQUAL; + + // Maximale Laenge ermitteln + if ( mpData->mnLen < nLen ) + nLen = static_cast< xub_StrLen >(mpData->mnLen+1); + if ( rStr.mpData->mnLen < nLen ) + nLen = static_cast< xub_StrLen >(rStr.mpData->mnLen+1); + + // String vergleichen + sal_Int32 nCompare = ImplStringICompareWithoutZero( mpData->maStr, rStr.mpData->maStr, nLen ); + + // Rueckgabewert anpassen + if ( nCompare == 0 ) + return COMPARE_EQUAL; + else if ( nCompare < 0 ) + return COMPARE_LESS; + else + return COMPARE_GREATER; +} + /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |