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HarfBuzz: Update to version 7.3.0 ICU4C: Update to version 73.1 FreeType: Update to version 2.13.0
91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
// © 2021 and later: Unicode, Inc. and others.
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// License & terms of use: https://www.unicode.org/copyright.html
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// emojiprops.h
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// created: 2021sep03 Markus W. Scherer
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#ifndef __EMOJIPROPS_H__
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#define __EMOJIPROPS_H__
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#include "unicode/utypes.h"
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#include "unicode/ucptrie.h"
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#include "unicode/udata.h"
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#include "unicode/uobject.h"
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#include "uset_imp.h"
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U_NAMESPACE_BEGIN
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class EmojiProps : public UMemory {
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public:
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// @internal
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EmojiProps(UErrorCode &errorCode) { load(errorCode); }
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~EmojiProps();
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static const EmojiProps *getSingleton(UErrorCode &errorCode);
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static UBool hasBinaryProperty(UChar32 c, UProperty which);
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static UBool hasBinaryProperty(const char16_t *s, int32_t length, UProperty which);
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void addPropertyStarts(const USetAdder *sa, UErrorCode &errorCode) const;
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void addStrings(const USetAdder *sa, UProperty which, UErrorCode &errorCode) const;
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enum {
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// Byte offsets from the start of the data, after the generic header,
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// in ascending order.
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// UCPTrie=CodePointTrie, follows the indexes
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IX_CPTRIE_OFFSET,
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IX_RESERVED1,
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IX_RESERVED2,
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IX_RESERVED3,
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// UCharsTrie=CharsTrie
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IX_BASIC_EMOJI_TRIE_OFFSET,
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IX_EMOJI_KEYCAP_SEQUENCE_TRIE_OFFSET,
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IX_RGI_EMOJI_MODIFIER_SEQUENCE_TRIE_OFFSET,
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IX_RGI_EMOJI_FLAG_SEQUENCE_TRIE_OFFSET,
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IX_RGI_EMOJI_TAG_SEQUENCE_TRIE_OFFSET,
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IX_RGI_EMOJI_ZWJ_SEQUENCE_TRIE_OFFSET,
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IX_RESERVED10,
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IX_RESERVED11,
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IX_RESERVED12,
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IX_TOTAL_SIZE,
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// Not initially byte offsets.
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IX_RESERVED14,
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IX_RESERVED15,
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IX_COUNT // 16
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};
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// Properties in the code point trie.
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enum {
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// https://www.unicode.org/reports/tr51/#Emoji_Properties
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BIT_EMOJI,
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BIT_EMOJI_PRESENTATION,
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BIT_EMOJI_MODIFIER,
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BIT_EMOJI_MODIFIER_BASE,
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BIT_EMOJI_COMPONENT,
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BIT_EXTENDED_PICTOGRAPHIC,
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// https://www.unicode.org/reports/tr51/#Emoji_Sets
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BIT_BASIC_EMOJI
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};
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private:
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static UBool U_CALLCONV
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isAcceptable(void *context, const char *type, const char *name, const UDataInfo *pInfo);
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/** Input i: One of the IX_..._TRIE_OFFSET indexes into the data file indexes[] array. */
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static int32_t getStringTrieIndex(int32_t i) {
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return i - IX_BASIC_EMOJI_TRIE_OFFSET;
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}
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void load(UErrorCode &errorCode);
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UBool hasBinaryPropertyImpl(UChar32 c, UProperty which) const;
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UBool hasBinaryPropertyImpl(const char16_t *s, int32_t length, UProperty which) const;
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UDataMemory *memory = nullptr;
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UCPTrie *cpTrie = nullptr;
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const char16_t *stringTries[6] = { nullptr, nullptr, nullptr, nullptr, nullptr, nullptr };
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};
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U_NAMESPACE_END
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#endif // __EMOJIPROPS_H__
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