diff options
Diffstat (limited to 'i18npool/source/transliteration/transliteration_Ignore.cxx')
| -rw-r--r-- | i18npool/source/transliteration/transliteration_Ignore.cxx | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/i18npool/source/transliteration/transliteration_Ignore.cxx b/i18npool/source/transliteration/transliteration_Ignore.cxx new file mode 100644 index 000000000000..35e82fc579f7 --- /dev/null +++ b/i18npool/source/transliteration/transliteration_Ignore.cxx @@ -0,0 +1,220 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_i18npool.hxx" + +// prevent internal compiler error with MSVC6SP3 +#include <utility> + +#include <transliteration_Ignore.hxx> + +using namespace com::sun::star::uno; +using namespace rtl; + +namespace com { namespace sun { namespace star { namespace i18n { + +inline sal_Int32 Min( sal_Int32 a, sal_Int32 b ) { return a > b ? b : a; } + +sal_Bool SAL_CALL +transliteration_Ignore::equals(const OUString& str1, sal_Int32 pos1, sal_Int32 nCount1, sal_Int32& nMatch1, + const OUString& str2, sal_Int32 pos2, sal_Int32 nCount2, sal_Int32& nMatch2 ) throw(RuntimeException) +{ + Sequence< sal_Int32 > offset1; + Sequence< sal_Int32 > offset2; + + // The method folding is defined in a sub class. + OUString s1 = this->folding( str1, pos1, nCount1, offset1); + OUString s2 = this->folding( str2, pos2, nCount2, offset2); + + const sal_Unicode * p1 = s1.getStr(); + const sal_Unicode * p2 = s2.getStr(); + sal_Int32 length = Min(s1.getLength(), s2.getLength()); + sal_Int32 nmatch; + + for ( nmatch = 0; nmatch < length; nmatch++) + if (*p1++ != *p2++) + break; + + if (nmatch > 0) { + nMatch1 = offset1[ nmatch - 1 ] + 1; // Subtract 1 from nmatch because the index starts from zero. + nMatch2 = offset2[ nmatch - 1 ] + 1; // And then, add 1 to position because it means the number of character matched. + } + else { + nMatch1 = 0; // No character was matched. + nMatch2 = 0; + } + + return (nmatch == s1.getLength()) && (nmatch == s2.getLength()); +} + + +Sequence< OUString > SAL_CALL +transliteration_Ignore::transliterateRange( const OUString& str1, const OUString& str2 ) throw(RuntimeException) +{ + if (str1.getLength() < 1 || str2.getLength() < 1) + throw RuntimeException(); + + Sequence< OUString > r(2); + r[0] = str1.copy(0, 1); + r[1] = str2.copy(0, 1); + return r; +} + + +sal_Int16 SAL_CALL +transliteration_Ignore::getType() throw(RuntimeException) +{ + // The type is also defined in com/sun/star/util/TransliterationType.hdl + return TransliterationType::IGNORE; +} + + +OUString SAL_CALL +transliteration_Ignore::transliterate( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, + Sequence< sal_Int32 >& offset ) throw(RuntimeException) +{ + // The method folding is defined in a sub class. + return this->folding( inStr, startPos, nCount, offset); +} + +Sequence< OUString > SAL_CALL +transliteration_Ignore::transliterateRange( const OUString& str1, const OUString& str2, + XTransliteration& t1, XTransliteration& t2 ) throw(RuntimeException) +{ + if (str1.getLength() < 1 || str2.getLength() < 1) + throw RuntimeException(); + + Sequence< sal_Int32 > offset; + OUString s11 = t1.transliterate( str1, 0, 1, offset ); + OUString s12 = t1.transliterate( str2, 0, 1, offset ); + OUString s21 = t2.transliterate( str1, 0, 1, offset ); + OUString s22 = t2.transliterate( str2, 0, 1, offset ); + + if ( (s11 == s21) && (s12 == s22) ) { + Sequence< OUString > r(2); + r[0] = s11; + r[1] = s12; + return r; + } + + Sequence< OUString > r(4); + r[0] = s11; + r[1] = s12; + r[2] = s21; + r[3] = s22; + return r; +} + +OUString SAL_CALL +transliteration_Ignore::folding( const OUString& inStr, sal_Int32 startPos, + sal_Int32 nCount, Sequence< sal_Int32 >& offset) + throw(RuntimeException) +{ + // Create a string buffer which can hold nCount + 1 characters. + // The reference count is 0 now. + rtl_uString * newStr = x_rtl_uString_new_WithLength( nCount ); // defined in x_rtl_ustring.h + sal_Unicode * dst = newStr->buffer; + const sal_Unicode * src = inStr.getStr() + startPos; + + // Allocate nCount length to offset argument. + sal_Int32 *p = 0; + sal_Int32 position = 0; + if (useOffset) { + offset.realloc( nCount ); + p = offset.getArray(); + position = startPos; + } + + if (map) { + sal_Unicode previousChar = *src ++; + sal_Unicode currentChar; + + // Translation + while (-- nCount > 0) { + currentChar = *src ++; + + Mapping *m; + for (m = map; m->replaceChar; m++) { + if (previousChar == m->previousChar && currentChar == m->currentChar ) { + if (useOffset) { + if (! m->two2one) + *p++ = position; + position++; + *p++ = position++; + } + *dst++ = m->replaceChar; + if (!m->two2one) + *dst++ = currentChar; + previousChar = *src++; + nCount--; + break; + } + } + + if (! m->replaceChar) { + if (useOffset) + *p ++ = position ++; + *dst ++ = previousChar; + previousChar = currentChar; + } + } + + if (nCount == 0) { + if (useOffset) + *p = position; + *dst ++ = previousChar; + } + } else { + // Translation + while (nCount -- > 0) { + sal_Unicode c = *src++; + c = func ? func( c) : (*table)[ c ]; + if (c != 0xffff) + *dst ++ = c; + if (useOffset) { + if (c != 0xffff) + *p ++ = position; + position++; + } + } + } + newStr->length = sal_Int32(dst - newStr->buffer); + if (useOffset) + offset.realloc(newStr->length); + *dst = (sal_Unicode) 0; + + return OUString( newStr ); // defined in rtl/usrting. The reference count is increased from 0 to 1. +} + +sal_Unicode SAL_CALL +transliteration_Ignore::transliterateChar2Char( sal_Unicode inChar) throw(RuntimeException, MultipleCharsOutputException) +{ + return func ? func( inChar) : table ? (*table)[ inChar ] : inChar; +} + +} } } } |