basic/source/comp/basiccharclass.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 #include "basiccharclass.hxx"
  21
  22 #include <unotools/charclass.hxx>
  23 #include <vcl/svapp.hxx>
  24 #include <vcl/settings.hxx>
  25
  26 BasicCharClass::BasicCharClass()
  27 {
  28   for( sal_uInt16 i = 0; i < 256; ++i )
  29     IsLetterTab[i] = false;
  30
  31   IsLetterTab[0xC0] = true;   // À , CAPITAL LETTER A WITH GRAVE ACCENT
  32   IsLetterTab[0xC1] = true;   // Á , CAPITAL LETTER A WITH ACUTE ACCENT
  33   IsLetterTab[0xC2] = true;   // Â , CAPITAL LETTER A WITH CIRCUMFLEX ACCENT
  34   IsLetterTab[0xC3] = true;   // Ã , CAPITAL LETTER A WITH TILDE
  35   IsLetterTab[0xC4] = true;   // Ä , CAPITAL LETTER A WITH DIAERESIS
  36   IsLetterTab[0xC5] = true;   // Å , CAPITAL LETTER A WITH RING ABOVE
  37   IsLetterTab[0xC6] = true;   // Æ , CAPITAL LIGATURE AE
  38   IsLetterTab[0xC7] = true;   // Ç , CAPITAL LETTER C WITH CEDILLA
  39   IsLetterTab[0xC8] = true;   // È , CAPITAL LETTER E WITH GRAVE ACCENT
  40   IsLetterTab[0xC9] = true;   // É , CAPITAL LETTER E WITH ACUTE ACCENT
  41   IsLetterTab[0xCA] = true;   // Ê , CAPITAL LETTER E WITH CIRCUMFLEX ACCENT
  42   IsLetterTab[0xCB] = true;   // Ë , CAPITAL LETTER E WITH DIAERESIS
  43   IsLetterTab[0xCC] = true;   // Ì , CAPITAL LETTER I WITH GRAVE ACCENT
  44   IsLetterTab[0xCD] = true;   // Í , CAPITAL LETTER I WITH ACUTE ACCENT
  45   IsLetterTab[0xCE] = true;   // Î , CAPITAL LETTER I WITH CIRCUMFLEX ACCENT
  46   IsLetterTab[0xCF] = true;   // Ï , CAPITAL LETTER I WITH DIAERESIS
  47   IsLetterTab[0xD0] = true;   // Ð , CAPITAL LETTER ETH
  48   IsLetterTab[0xD1] = true;   // Ñ , CAPITAL LETTER N WITH TILDE
  49   IsLetterTab[0xD2] = true;   // Ò , CAPITAL LETTER O WITH GRAVE ACCENT
  50   IsLetterTab[0xD3] = true;   // Ó , CAPITAL LETTER O WITH ACUTE ACCENT
  51   IsLetterTab[0xD4] = true;   // Ô , CAPITAL LETTER O WITH CIRCUMFLEX ACCENT
  52   IsLetterTab[0xD5] = true;   // Õ , CAPITAL LETTER O WITH TILDE
  53   IsLetterTab[0xD6] = true;   // Ö , CAPITAL LETTER O WITH DIAERESIS
  54   IsLetterTab[0xD8] = true;   // Ø , CAPITAL LETTER O WITH STROKE
  55   IsLetterTab[0xD9] = true;   // Ù , CAPITAL LETTER U WITH GRAVE ACCENT
  56   IsLetterTab[0xDA] = true;   // Ú , CAPITAL LETTER U WITH ACUTE ACCENT
  57   IsLetterTab[0xDB] = true;   // Û , CAPITAL LETTER U WITH CIRCUMFLEX ACCENT
  58   IsLetterTab[0xDC] = true;   // Ü , CAPITAL LETTER U WITH DIAERESIS
  59   IsLetterTab[0xDD] = true;   // Ý , CAPITAL LETTER Y WITH ACUTE ACCENT
  60   IsLetterTab[0xDE] = true;   // Þ , CAPITAL LETTER THORN
  61   IsLetterTab[0xDF] = true;   // ß , SMALL LETTER SHARP S
  62   IsLetterTab[0xE0] = true;   // à , SMALL LETTER A WITH GRAVE ACCENT
  63   IsLetterTab[0xE1] = true;   // á , SMALL LETTER A WITH ACUTE ACCENT
  64   IsLetterTab[0xE2] = true;   // â , SMALL LETTER A WITH CIRCUMFLEX ACCENT
  65   IsLetterTab[0xE3] = true;   // ã , SMALL LETTER A WITH TILDE
  66   IsLetterTab[0xE4] = true;   // ä , SMALL LETTER A WITH DIAERESIS
  67   IsLetterTab[0xE5] = true;   // å , SMALL LETTER A WITH RING ABOVE
  68   IsLetterTab[0xE6] = true;   // æ , SMALL LIGATURE AE
  69   IsLetterTab[0xE7] = true;   // ç , SMALL LETTER C WITH CEDILLA
  70   IsLetterTab[0xE8] = true;   // è , SMALL LETTER E WITH GRAVE ACCENT
  71   IsLetterTab[0xE9] = true;   // é , SMALL LETTER E WITH ACUTE ACCENT
  72   IsLetterTab[0xEA] = true;   // ê , SMALL LETTER E WITH CIRCUMFLEX ACCENT
  73   IsLetterTab[0xEB] = true;   // ë , SMALL LETTER E WITH DIAERESIS
  74   IsLetterTab[0xEC] = true;   // ì , SMALL LETTER I WITH GRAVE ACCENT
  75   IsLetterTab[0xED] = true;   // í , SMALL LETTER I WITH ACUTE ACCENT
  76   IsLetterTab[0xEE] = true;   // î , SMALL LETTER I WITH CIRCUMFLEX ACCENT
  77   IsLetterTab[0xEF] = true;   // ï , SMALL LETTER I WITH DIAERESIS
  78   IsLetterTab[0xF0] = true;   // ð , SMALL LETTER ETH
  79   IsLetterTab[0xF1] = true;   // ñ , SMALL LETTER N WITH TILDE
  80   IsLetterTab[0xF2] = true;   // ò , SMALL LETTER O WITH GRAVE ACCENT
  81   IsLetterTab[0xF3] = true;   // ó , SMALL LETTER O WITH ACUTE ACCENT
  82   IsLetterTab[0xF4] = true;   // ô , SMALL LETTER O WITH CIRCUMFLEX ACCENT
  83   IsLetterTab[0xF5] = true;   // õ , SMALL LETTER O WITH TILDE
  84   IsLetterTab[0xF6] = true;   // ö , SMALL LETTER O WITH DIAERESIS
  85   IsLetterTab[0xF8] = true;   // ø , SMALL LETTER O WITH OBLIQUE BAR
  86   IsLetterTab[0xF9] = true;   // ù , SMALL LETTER U WITH GRAVE ACCENT
  87   IsLetterTab[0xFA] = true;   // ú , SMALL LETTER U WITH ACUTE ACCENT
  88   IsLetterTab[0xFB] = true;   // û , SMALL LETTER U WITH CIRCUMFLEX ACCENT
  89   IsLetterTab[0xFC] = true;   // ü , SMALL LETTER U WITH DIAERESIS
  90   IsLetterTab[0xFD] = true;   // ý , SMALL LETTER Y WITH ACUTE ACCENT
  91   IsLetterTab[0xFE] = true;   // þ , SMALL LETTER THORN
  92   IsLetterTab[0xFF] = true;   // ÿ , SMALL LETTER Y WITH DIAERESIS
  93 }
  94
  95 bool BasicCharClass::isLetter( sal_Unicode c )
  96 {
  97   return (c < 256 ? IsLetterTab[c] : isLetterUnicode( c ));
  98 }
  99
 100 bool BasicCharClass::isLetterUnicode( sal_Unicode c )
 101 {
 102   static CharClass* pCharClass = NULL;
 103   if( pCharClass == NULL )
 104     pCharClass = new CharClass( Application::GetSettings().GetLanguageTag() );
 105   // can we get pCharClass to accept a sal_Unicode instead of this waste?
 106   return pCharClass->isLetter( OUString(c), 0 );
 107 }
 108
 109 bool BasicCharClass::isAlpha( sal_Unicode c, bool bCompatible )
 110 {
 111   return rtl::isAsciiAlpha(c)
 112     || (bCompatible && isLetter( c ));
 113 }
 114
 115 bool BasicCharClass::isAlphaNumeric( sal_Unicode c, bool bCompatible )
 116 {
 117   return rtl::isAsciiDigit( c ) || isAlpha( c, bCompatible );
 118 }
 119
 120 bool BasicCharClass::isWhitespace( sal_Unicode c )
 121 {
 122   return (c == ' ') || (c == '\t') || (c == '\f');
 123 }
 124
 125 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */