61 lines
2.3 KiB
C++
61 lines
2.3 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef DIGRAPH_UTILS_H
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#define DIGRAPH_UTILS_H
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namespace latinime {
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class DigraphUtils {
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public:
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typedef enum {
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NOT_A_DIGRAPH_INDEX,
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FIRST_DIGRAPH_CODEPOINT,
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SECOND_DIGRAPH_CODEPOINT
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} DigraphCodePointIndex;
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typedef enum {
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DIGRAPH_TYPE_NONE,
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DIGRAPH_TYPE_GERMAN_UMLAUT,
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DIGRAPH_TYPE_FRENCH_LIGATURES
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} DigraphType;
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typedef struct { int first; int second; int compositeGlyph; } digraph_t;
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static bool hasDigraphForCodePoint(const int dictFlags, const int compositeGlyphCodePoint);
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static int getAllDigraphsForDictionaryAndReturnSize(
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const int dictFlags, const digraph_t **const digraphs);
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static int getDigraphCodePointForIndex(const int dictFlags, const int compositeGlyphCodePoint,
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const DigraphCodePointIndex digraphCodePointIndex);
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static int getDigraphCodePointForIndex(const int compositeGlyphCodePoint,
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const DigraphCodePointIndex digraphCodePointIndex);
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private:
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DISALLOW_IMPLICIT_CONSTRUCTORS(DigraphUtils);
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static DigraphType getDigraphTypeForDictionary(const int dictFlags);
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static int getAllDigraphsForDigraphTypeAndReturnSize(
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const DigraphType digraphType, const digraph_t **const digraphs);
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static const digraph_t *getDigraphForCodePoint(const int compositeGlyphCodePoint);
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static const digraph_t *getDigraphForDigraphTypeAndCodePoint(
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const DigraphType digraphType, const int compositeGlyphCodePoint);
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static const digraph_t GERMAN_UMLAUT_DIGRAPHS[];
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static const digraph_t FRENCH_LIGATURES_DIGRAPHS[];
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static const DigraphType USED_DIGRAPH_TYPES[];
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};
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} // namespace latinime
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#endif // DIGRAPH_UTILS_H
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