include/i18nutil/casefolding.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 #ifndef INCLUDED_I18NUTIL_CASEFOLDING_HXX
  20 #define INCLUDED_I18NUTIL_CASEFOLDING_HXX
  21
  22 #include <sal/types.h>
  23 #include <com/sun/star/lang/Locale.hpp>
  24 #include <com/sun/star/uno/RuntimeException.hpp>
  25 #include <i18nutil/i18nutildllapi.h>
  26 #include <o3tl/typed_flags_set.hxx>
  27
  28 enum class TransliterationFlags;
  29
  30 enum class MappingType {
  31     NONE             = 0x00,
  32     LowerToUpper     = 0x01,  // Upper to Lower mapping
  33     UpperToLower     = 0x02,  // Lower to Upper mapping
  34     ToUpper          = 0x04,  // to Upper mapping
  35     ToLower          = 0x08,  // to Lower mapping
  36     ToTitle          = 0x10,  // to Title mapping
  37     SimpleFolding    = 0x20,  // Simple Case Folding
  38     FullFolding      = 0x40,  // Full Case Folding
  39     CasedLetterMask  = LowerToUpper | UpperToLower | ToUpper | ToLower | ToTitle | SimpleFolding | FullFolding, // for final sigmar
  40     NotValue         = 0x80,  // Value field is an address
  41 };
  42 namespace o3tl {
  43     template<> struct typed_flags<MappingType> : is_typed_flags<MappingType, 0xff> {};
  44 }
  45
  46 namespace com { namespace sun { namespace star { namespace i18n {
  47
  48 struct Value
  49 {
  50     sal_uInt8   type;
  51     sal_uInt16  value;  // value or address, depend on the type
  52 };
  53
  54 struct Mapping
  55 {
  56     sal_uInt8   type;
  57     sal_Int8    nmap;
  58 #define NMAPPINGMAX 3
  59     sal_Unicode map[NMAPPINGMAX];
  60 };      // for Unconditional mapping
  61
  62 struct MappingElement
  63 {
  64     MappingElement()
  65         : current(0)
  66     {
  67         element.type = element.nmap = 0;
  68     }
  69     Mapping element;
  70     sal_Int8 current;
  71 };
  72
  73 class I18NUTIL_DLLPUBLIC casefolding
  74 {
  75 public:
  76     /// @throws css::uno::RuntimeException
  77     static Mapping& getValue(const sal_Unicode* str, sal_Int32 pos, sal_Int32 len, css::lang::Locale& aLocale, MappingType nMappingType);
  78     /// @throws css::uno::RuntimeException
  79     static Mapping& getConditionalValue(const sal_Unicode* str, sal_Int32 pos, sal_Int32 len, css::lang::Locale& aLocale, MappingType nMappingType);
  80     /// @throws css::uno::RuntimeException
  81     static sal_Unicode getNextChar(const sal_Unicode *str, sal_Int32& idx, sal_Int32 len, MappingElement& e, css::lang::Locale& aLocale, MappingType nMappingtype, TransliterationFlags moduleLoaded);
  82
  83 };
  84
  85 } } } }
  86
  87 #endif
  88
  89 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */