i18npool/source/transliteration/transliteration_Numeric.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <com/sun/star/i18n/TransliterationType.hpp>
  22
  23 #include <transliteration_Numeric.hxx>
  24 #include <nativenumbersupplier.hxx>
  25 #include <rtl/ref.hxx>
  26
  27 using namespace com::sun::star::i18n;
  28 using namespace com::sun::star::uno;
  29
  30
  31 namespace i18npool {
  32
  33 sal_Int16 SAL_CALL transliteration_Numeric::getType()
  34 {
  35     return TransliterationType::NUMERIC;
  36 }
  37
  38 OUString
  39     transliteration_Numeric::foldingImpl( const OUString& /*inStr*/, sal_Int32 /*startPos*/, sal_Int32 /*nCount*/, Sequence< sal_Int32 >& /*offset*/, bool )
  40 {
  41     throw RuntimeException();
  42 }
  43
  44 sal_Bool SAL_CALL
  45     transliteration_Numeric::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*/ )
  46 {
  47     throw RuntimeException();
  48 }
  49
  50 Sequence< OUString > SAL_CALL
  51     transliteration_Numeric::transliterateRange( const OUString& /*str1*/, const OUString& /*str2*/ )
  52 {
  53     throw RuntimeException();
  54 }
  55
  56
  57 #define isNumber(c) ((c) >= 0x30 && (c) <= 0x39)
  58 #define NUMBER_ZERO 0x30
  59
  60 OUString
  61 transliteration_Numeric::transliterateBullet( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount,
  62         Sequence< sal_Int32 >& offset, bool useOffset )
  63 {
  64     sal_Int32 number = -1, j = 0, endPos = startPos + nCount;
  65
  66     if (endPos >  inStr.getLength())
  67         endPos = inStr.getLength();
  68
  69     rtl_uString* pStr = rtl_uString_alloc(nCount);
  70     sal_Unicode* out = pStr->buffer;
  71
  72     if (useOffset)
  73         offset.realloc(nCount);
  74
  75     for (sal_Int32 i = startPos; i < endPos; i++) {
  76         if (isNumber(inStr[i]))
  77         {
  78             if (number == -1) {
  79                 startPos = i;
  80                 number = (inStr[i] - NUMBER_ZERO);
  81             } else  {
  82                 number = number * 10 + (inStr[i] - NUMBER_ZERO);
  83             }
  84         } else {
  85             if (number == 0) {
  86                 if (useOffset)
  87                     offset[j] = startPos;
  88                 out[j++] = NUMBER_ZERO;
  89             } else if (number > tableSize && !recycleSymbol) {
  90                 for (sal_Int32 k = startPos; k < i; k++) {
  91                     if (useOffset)
  92                         offset[j] = k;
  93                     out[j++] = inStr[k];
  94                 }
  95             } else if (number > 0) {
  96                 if (useOffset)
  97                     offset[j] = startPos;
  98                 out[j++] = table[--number % tableSize];
  99             } else if (i < endPos) {
 100                 if (useOffset)
 101                     offset[j] = i;
 102                 out[j++] = inStr[i];
 103             }
 104             number = -1;
 105         }
 106     }
 107     out[j] = 0;
 108
 109     if (useOffset)
 110         offset.realloc(j);
 111
 112     return OUString( pStr, SAL_NO_ACQUIRE );
 113 }
 114
 115 OUString
 116 transliteration_Numeric::transliterateImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount,
 117         Sequence< sal_Int32 >& offset, bool useOffset )
 118 {
 119     if (tableSize)
 120         return transliterateBullet( inStr, startPos, nCount, offset, useOffset);
 121     else
 122         return rtl::Reference<NativeNumberSupplierService>(new NativeNumberSupplierService(useOffset))->getNativeNumberString( inStr.copy(startPos, nCount), aLocale, nNativeNumberMode, offset );
 123 }
 124
 125 sal_Unicode SAL_CALL
 126 transliteration_Numeric::transliterateChar2Char( sal_Unicode inChar )
 127 {
 128     if (tableSize) {
 129         if (isNumber(inChar)) {
 130             sal_Int16 number = inChar - NUMBER_ZERO;
 131             if (number <= tableSize || recycleSymbol)
 132                 return table[--number % tableSize];
 133         }
 134         return inChar;
 135     }
 136     else
 137         return rtl::Reference<NativeNumberSupplierService>(new NativeNumberSupplierService)->getNativeNumberChar( inChar, aLocale, nNativeNumberMode );
 138 }
 139
 140 }
 141
 142 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */