src/hb-ucdn/ucdn.h - platform/external/harfbuzz_ng - Git at Google

 /*
  * Copyright (C) 2012 Grigori Goronzy <greg@kinoho.net>
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */

 #ifndef UCDN_H
 #define UCDN_H

 #if defined(__GNUC__) && (__GNUC__ >= 4) && !defined(__MINGW32__)
 # define HB_BEGIN_VISIBILITY _Pragma ("GCC visibility push(hidden)")
 # define HB_END_VISIBILITY _Pragma ("GCC visibility pop")
 #else
 # define HB_BEGIN_VISIBILITY
 # define HB_END_VISIBILITY
 #endif
 #ifdef __cplusplus
 # define HB_BEGIN_HEADER  extern "C" { HB_BEGIN_VISIBILITY
 # define HB_END_HEADER  HB_END_VISIBILITY }
 #else
 # define HB_BEGIN_HEADER  HB_BEGIN_VISIBILITY
 # define HB_END_HEADER  HB_END_VISIBILITY
 #endif

 HB_BEGIN_HEADER

 #include <stdint.h>

 #define UCDN_EAST_ASIAN_F 0
 #define UCDN_EAST_ASIAN_H 1
 #define UCDN_EAST_ASIAN_W 2
 #define UCDN_EAST_ASIAN_NA 3
 #define UCDN_EAST_ASIAN_A 4
 #define UCDN_EAST_ASIAN_N 5

 #define UCDN_SCRIPT_COMMON 0
 #define UCDN_SCRIPT_LATIN 1
 #define UCDN_SCRIPT_GREEK 2
 #define UCDN_SCRIPT_CYRILLIC 3
 #define UCDN_SCRIPT_ARMENIAN 4
 #define UCDN_SCRIPT_HEBREW 5
 #define UCDN_SCRIPT_ARABIC 6
 #define UCDN_SCRIPT_SYRIAC 7
 #define UCDN_SCRIPT_THAANA 8
 #define UCDN_SCRIPT_DEVANAGARI 9
 #define UCDN_SCRIPT_BENGALI 10
 #define UCDN_SCRIPT_GURMUKHI 11
 #define UCDN_SCRIPT_GUJARATI 12
 #define UCDN_SCRIPT_ORIYA 13
 #define UCDN_SCRIPT_TAMIL 14
 #define UCDN_SCRIPT_TELUGU 15
 #define UCDN_SCRIPT_KANNADA 16
 #define UCDN_SCRIPT_MALAYALAM 17
 #define UCDN_SCRIPT_SINHALA 18
 #define UCDN_SCRIPT_THAI 19
 #define UCDN_SCRIPT_LAO 20
 #define UCDN_SCRIPT_TIBETAN 21
 #define UCDN_SCRIPT_MYANMAR 22
 #define UCDN_SCRIPT_GEORGIAN 23
 #define UCDN_SCRIPT_HANGUL 24
 #define UCDN_SCRIPT_ETHIOPIC 25
 #define UCDN_SCRIPT_CHEROKEE 26
 #define UCDN_SCRIPT_CANADIAN_ABORIGINAL 27
 #define UCDN_SCRIPT_OGHAM 28
 #define UCDN_SCRIPT_RUNIC 29
 #define UCDN_SCRIPT_KHMER 30
 #define UCDN_SCRIPT_MONGOLIAN 31
 #define UCDN_SCRIPT_HIRAGANA 32
 #define UCDN_SCRIPT_KATAKANA 33
 #define UCDN_SCRIPT_BOPOMOFO 34
 #define UCDN_SCRIPT_HAN 35
 #define UCDN_SCRIPT_YI 36
 #define UCDN_SCRIPT_OLD_ITALIC 37
 #define UCDN_SCRIPT_GOTHIC 38
 #define UCDN_SCRIPT_DESERET 39
 #define UCDN_SCRIPT_INHERITED 40
 #define UCDN_SCRIPT_TAGALOG 41
 #define UCDN_SCRIPT_HANUNOO 42
 #define UCDN_SCRIPT_BUHID 43
 #define UCDN_SCRIPT_TAGBANWA 44
 #define UCDN_SCRIPT_LIMBU 45
 #define UCDN_SCRIPT_TAI_LE 46
 #define UCDN_SCRIPT_LINEAR_B 47
 #define UCDN_SCRIPT_UGARITIC 48
 #define UCDN_SCRIPT_SHAVIAN 49
 #define UCDN_SCRIPT_OSMANYA 50
 #define UCDN_SCRIPT_CYPRIOT 51
 #define UCDN_SCRIPT_BRAILLE 52
 #define UCDN_SCRIPT_BUGINESE 53
 #define UCDN_SCRIPT_COPTIC 54
 #define UCDN_SCRIPT_NEW_TAI_LUE 55
 #define UCDN_SCRIPT_GLAGOLITIC 56
 #define UCDN_SCRIPT_TIFINAGH 57
 #define UCDN_SCRIPT_SYLOTI_NAGRI 58
 #define UCDN_SCRIPT_OLD_PERSIAN 59
 #define UCDN_SCRIPT_KHAROSHTHI 60
 #define UCDN_SCRIPT_BALINESE 61
 #define UCDN_SCRIPT_CUNEIFORM 62
 #define UCDN_SCRIPT_PHOENICIAN 63
 #define UCDN_SCRIPT_PHAGS_PA 64
 #define UCDN_SCRIPT_NKO 65
 #define UCDN_SCRIPT_SUNDANESE 66
 #define UCDN_SCRIPT_LEPCHA 67
 #define UCDN_SCRIPT_OL_CHIKI 68
 #define UCDN_SCRIPT_VAI 69
 #define UCDN_SCRIPT_SAURASHTRA 70
 #define UCDN_SCRIPT_KAYAH_LI 71
 #define UCDN_SCRIPT_REJANG 72
 #define UCDN_SCRIPT_LYCIAN 73
 #define UCDN_SCRIPT_CARIAN 74
 #define UCDN_SCRIPT_LYDIAN 75
 #define UCDN_SCRIPT_CHAM 76
 #define UCDN_SCRIPT_TAI_THAM 77
 #define UCDN_SCRIPT_TAI_VIET 78
 #define UCDN_SCRIPT_AVESTAN 79
 #define UCDN_SCRIPT_EGYPTIAN_HIEROGLYPHS 80
 #define UCDN_SCRIPT_SAMARITAN 81
 #define UCDN_SCRIPT_LISU 82
 #define UCDN_SCRIPT_BAMUM 83
 #define UCDN_SCRIPT_JAVANESE 84
 #define UCDN_SCRIPT_MEETEI_MAYEK 85
 #define UCDN_SCRIPT_IMPERIAL_ARAMAIC 86
 #define UCDN_SCRIPT_OLD_SOUTH_ARABIAN 87
 #define UCDN_SCRIPT_INSCRIPTIONAL_PARTHIAN 88
 #define UCDN_SCRIPT_INSCRIPTIONAL_PAHLAVI 89
 #define UCDN_SCRIPT_OLD_TURKIC 90
 #define UCDN_SCRIPT_KAITHI 91
 #define UCDN_SCRIPT_BATAK 92
 #define UCDN_SCRIPT_BRAHMI 93
 #define UCDN_SCRIPT_MANDAIC 94
 #define UCDN_SCRIPT_CHAKMA 95
 #define UCDN_SCRIPT_MEROITIC_CURSIVE 96
 #define UCDN_SCRIPT_MEROITIC_HIEROGLYPHS 97
 #define UCDN_SCRIPT_MIAO 98
 #define UCDN_SCRIPT_SHARADA 99
 #define UCDN_SCRIPT_SORA_SOMPENG 100
 #define UCDN_SCRIPT_TAKRI 101
 #define UCDN_SCRIPT_UNKNOWN 102

 #define UCDN_GENERAL_CATEGORY_CC 0
 #define UCDN_GENERAL_CATEGORY_CF 1
 #define UCDN_GENERAL_CATEGORY_CN 2
 #define UCDN_GENERAL_CATEGORY_CO 3
 #define UCDN_GENERAL_CATEGORY_CS 4
 #define UCDN_GENERAL_CATEGORY_LL 5
 #define UCDN_GENERAL_CATEGORY_LM 6
 #define UCDN_GENERAL_CATEGORY_LO 7
 #define UCDN_GENERAL_CATEGORY_LT 8
 #define UCDN_GENERAL_CATEGORY_LU 9
 #define UCDN_GENERAL_CATEGORY_MC 10
 #define UCDN_GENERAL_CATEGORY_ME 11
 #define UCDN_GENERAL_CATEGORY_MN 12
 #define UCDN_GENERAL_CATEGORY_ND 13
 #define UCDN_GENERAL_CATEGORY_NL 14
 #define UCDN_GENERAL_CATEGORY_NO 15
 #define UCDN_GENERAL_CATEGORY_PC 16
 #define UCDN_GENERAL_CATEGORY_PD 17
 #define UCDN_GENERAL_CATEGORY_PE 18
 #define UCDN_GENERAL_CATEGORY_PF 19
 #define UCDN_GENERAL_CATEGORY_PI 20
 #define UCDN_GENERAL_CATEGORY_PO 21
 #define UCDN_GENERAL_CATEGORY_PS 22
 #define UCDN_GENERAL_CATEGORY_SC 23
 #define UCDN_GENERAL_CATEGORY_SK 24
 #define UCDN_GENERAL_CATEGORY_SM 25
 #define UCDN_GENERAL_CATEGORY_SO 26
 #define UCDN_GENERAL_CATEGORY_ZL 27
 #define UCDN_GENERAL_CATEGORY_ZP 28
 #define UCDN_GENERAL_CATEGORY_ZS 29

 #define UCDN_BIDI_CLASS_L 0
 #define UCDN_BIDI_CLASS_LRE 1
 #define UCDN_BIDI_CLASS_LRO 2
 #define UCDN_BIDI_CLASS_R 3
 #define UCDN_BIDI_CLASS_AL 4
 #define UCDN_BIDI_CLASS_RLE 5
 #define UCDN_BIDI_CLASS_RLO 6
 #define UCDN_BIDI_CLASS_PDF 7
 #define UCDN_BIDI_CLASS_EN 8
 #define UCDN_BIDI_CLASS_ES 9
 #define UCDN_BIDI_CLASS_ET 10
 #define UCDN_BIDI_CLASS_AN 11
 #define UCDN_BIDI_CLASS_CS 12
 #define UCDN_BIDI_CLASS_NSM 13
 #define UCDN_BIDI_CLASS_BN 14
 #define UCDN_BIDI_CLASS_B 15
 #define UCDN_BIDI_CLASS_S 16
 #define UCDN_BIDI_CLASS_WS 17
 #define UCDN_BIDI_CLASS_ON 18

 /**
  * Return version of the Unicode database.
  *
  * @return Unicode database version
  */
 const char *ucdn_get_unicode_version(void);

 /**
  * Get combining class of a codepoint.
  *
  * @param code Unicode codepoint
  * @return combining class value, as defined in UAX#44
  */
 int ucdn_get_combining_class(uint32_t code);

 /**
  * Get east-asian width of a codepoint.
  *
  * @param code Unicode codepoint
  * @return value according to UCDN_EAST_ASIAN_* and as defined in UAX#11.
  */
 int ucdn_get_east_asian_width(uint32_t code);

 /**
  * Get general category of a codepoint.
  *
  * @param code Unicode codepoint
  * @return value according to UCDN_GENERAL_CATEGORY_* and as defined in
  * UAX#44.
  */
 int ucdn_get_general_category(uint32_t code);

 /**
  * Get bidirectional class of a codepoint.
  *
  * @param code Unicode codepoint
  * @return value according to UCDN_BIDI_CLASS_* and as defined in UAX#44.
  */
 int ucdn_get_bidi_class(uint32_t code);

 /**
  * Get script of a codepoint.
  *
  * @param code Unicode codepoint
  * @return value according to UCDN_SCRIPT_* and as defined in UAX#24.
  */
 int ucdn_get_script(uint32_t code);

 /**
  * Check if codepoint can be mirrored.
  *
  * @param code Unicode codepoint
  * @return 1 if mirrored character exists, otherwise 0
  */
 int ucdn_get_mirrored(uint32_t code);

 /**
  * Mirror a codepoint.
  *
  * @param code Unicode codepoint
  * @return mirrored codepoint or the original codepoint if no
  * mirrored character exists
  */
 uint32_t ucdn_mirror(uint32_t code);

 /**
  * Pairwise canonical decomposition of a codepoint. This includes
  * Hangul Jamo decomposition (see chapter 3.12 of the Unicode core
  * specification).
  *
  * Hangul is decomposed into L and V jamos for LV forms, and an
  * LV precomposed syllable and a T jamo for LVT forms.
  *
  * @param code Unicode codepoint
  * @param a filled with first codepoint of decomposition
  * @param b filled with second codepoint of decomposition, or 0
  * @return success
  */
 int ucdn_decompose(uint32_t code, uint32_t *a, uint32_t *b);

 /**
  * Compatibility decomposition of a codepoint.
  *
  * @param code Unicode codepoint
  * @param decomposed filled with decomposition, must be able to hold 18
  * characters
  * @return length of decomposition or 0 in case none exists
  */
 int ucdn_compat_decompose(uint32_t code, uint32_t *decomposed);

 /**
  * Pairwise canonical composition of two codepoints. This includes
  * Hangul Jamo composition (see chapter 3.12 of the Unicode core
  * specification).
  *
  * Hangul composition expects either L and V jamos, or an LV
  * precomposed syllable and a T jamo. This is exactly the inverse
  * of pairwise Hangul decomposition.
  *
  * @param code filled with composition
  * @param a first codepoint
  * @param b second codepoint
  * @return success
  */
 int ucdn_compose(uint32_t *code, uint32_t a, uint32_t b);

 HB_END_HEADER

 #endif
	/*
	* Copyright (C) 2012 Grigori Goronzy <greg@kinoho.net>
	*
	* Permission to use, copy, modify, and/or distribute this software for any
	* purpose with or without fee is hereby granted, provided that the above
	* copyright notice and this permission notice appear in all copies.
	*
	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	*/

	#ifndef UCDN_H
	#define UCDN_H

	#if defined(__GNUC__) && (__GNUC__ >= 4) && !defined(__MINGW32__)
	# define HB_BEGIN_VISIBILITY _Pragma ("GCC visibility push(hidden)")
	# define HB_END_VISIBILITY _Pragma ("GCC visibility pop")
	#else
	# define HB_BEGIN_VISIBILITY
	# define HB_END_VISIBILITY
	#endif
	#ifdef __cplusplus
	# define HB_BEGIN_HEADER extern "C" { HB_BEGIN_VISIBILITY
	# define HB_END_HEADER HB_END_VISIBILITY }
	#else
	# define HB_BEGIN_HEADER HB_BEGIN_VISIBILITY
	# define HB_END_HEADER HB_END_VISIBILITY
	#endif

	HB_BEGIN_HEADER

	#include <stdint.h>

	#define UCDN_EAST_ASIAN_F 0
	#define UCDN_EAST_ASIAN_H 1
	#define UCDN_EAST_ASIAN_W 2
	#define UCDN_EAST_ASIAN_NA 3
	#define UCDN_EAST_ASIAN_A 4
	#define UCDN_EAST_ASIAN_N 5

	#define UCDN_SCRIPT_COMMON 0
	#define UCDN_SCRIPT_LATIN 1
	#define UCDN_SCRIPT_GREEK 2
	#define UCDN_SCRIPT_CYRILLIC 3
	#define UCDN_SCRIPT_ARMENIAN 4
	#define UCDN_SCRIPT_HEBREW 5
	#define UCDN_SCRIPT_ARABIC 6
	#define UCDN_SCRIPT_SYRIAC 7
	#define UCDN_SCRIPT_THAANA 8
	#define UCDN_SCRIPT_DEVANAGARI 9
	#define UCDN_SCRIPT_BENGALI 10
	#define UCDN_SCRIPT_GURMUKHI 11
	#define UCDN_SCRIPT_GUJARATI 12
	#define UCDN_SCRIPT_ORIYA 13
	#define UCDN_SCRIPT_TAMIL 14
	#define UCDN_SCRIPT_TELUGU 15
	#define UCDN_SCRIPT_KANNADA 16
	#define UCDN_SCRIPT_MALAYALAM 17
	#define UCDN_SCRIPT_SINHALA 18
	#define UCDN_SCRIPT_THAI 19
	#define UCDN_SCRIPT_LAO 20
	#define UCDN_SCRIPT_TIBETAN 21
	#define UCDN_SCRIPT_MYANMAR 22
	#define UCDN_SCRIPT_GEORGIAN 23
	#define UCDN_SCRIPT_HANGUL 24
	#define UCDN_SCRIPT_ETHIOPIC 25
	#define UCDN_SCRIPT_CHEROKEE 26
	#define UCDN_SCRIPT_CANADIAN_ABORIGINAL 27
	#define UCDN_SCRIPT_OGHAM 28
	#define UCDN_SCRIPT_RUNIC 29
	#define UCDN_SCRIPT_KHMER 30
	#define UCDN_SCRIPT_MONGOLIAN 31
	#define UCDN_SCRIPT_HIRAGANA 32
	#define UCDN_SCRIPT_KATAKANA 33
	#define UCDN_SCRIPT_BOPOMOFO 34
	#define UCDN_SCRIPT_HAN 35
	#define UCDN_SCRIPT_YI 36
	#define UCDN_SCRIPT_OLD_ITALIC 37
	#define UCDN_SCRIPT_GOTHIC 38
	#define UCDN_SCRIPT_DESERET 39
	#define UCDN_SCRIPT_INHERITED 40
	#define UCDN_SCRIPT_TAGALOG 41
	#define UCDN_SCRIPT_HANUNOO 42
	#define UCDN_SCRIPT_BUHID 43
	#define UCDN_SCRIPT_TAGBANWA 44
	#define UCDN_SCRIPT_LIMBU 45
	#define UCDN_SCRIPT_TAI_LE 46
	#define UCDN_SCRIPT_LINEAR_B 47
	#define UCDN_SCRIPT_UGARITIC 48
	#define UCDN_SCRIPT_SHAVIAN 49
	#define UCDN_SCRIPT_OSMANYA 50
	#define UCDN_SCRIPT_CYPRIOT 51
	#define UCDN_SCRIPT_BRAILLE 52
	#define UCDN_SCRIPT_BUGINESE 53
	#define UCDN_SCRIPT_COPTIC 54
	#define UCDN_SCRIPT_NEW_TAI_LUE 55
	#define UCDN_SCRIPT_GLAGOLITIC 56
	#define UCDN_SCRIPT_TIFINAGH 57
	#define UCDN_SCRIPT_SYLOTI_NAGRI 58
	#define UCDN_SCRIPT_OLD_PERSIAN 59
	#define UCDN_SCRIPT_KHAROSHTHI 60
	#define UCDN_SCRIPT_BALINESE 61
	#define UCDN_SCRIPT_CUNEIFORM 62
	#define UCDN_SCRIPT_PHOENICIAN 63
	#define UCDN_SCRIPT_PHAGS_PA 64
	#define UCDN_SCRIPT_NKO 65
	#define UCDN_SCRIPT_SUNDANESE 66
	#define UCDN_SCRIPT_LEPCHA 67
	#define UCDN_SCRIPT_OL_CHIKI 68
	#define UCDN_SCRIPT_VAI 69
	#define UCDN_SCRIPT_SAURASHTRA 70
	#define UCDN_SCRIPT_KAYAH_LI 71
	#define UCDN_SCRIPT_REJANG 72
	#define UCDN_SCRIPT_LYCIAN 73
	#define UCDN_SCRIPT_CARIAN 74
	#define UCDN_SCRIPT_LYDIAN 75
	#define UCDN_SCRIPT_CHAM 76
	#define UCDN_SCRIPT_TAI_THAM 77
	#define UCDN_SCRIPT_TAI_VIET 78
	#define UCDN_SCRIPT_AVESTAN 79
	#define UCDN_SCRIPT_EGYPTIAN_HIEROGLYPHS 80
	#define UCDN_SCRIPT_SAMARITAN 81
	#define UCDN_SCRIPT_LISU 82
	#define UCDN_SCRIPT_BAMUM 83
	#define UCDN_SCRIPT_JAVANESE 84
	#define UCDN_SCRIPT_MEETEI_MAYEK 85
	#define UCDN_SCRIPT_IMPERIAL_ARAMAIC 86
	#define UCDN_SCRIPT_OLD_SOUTH_ARABIAN 87
	#define UCDN_SCRIPT_INSCRIPTIONAL_PARTHIAN 88
	#define UCDN_SCRIPT_INSCRIPTIONAL_PAHLAVI 89
	#define UCDN_SCRIPT_OLD_TURKIC 90
	#define UCDN_SCRIPT_KAITHI 91
	#define UCDN_SCRIPT_BATAK 92
	#define UCDN_SCRIPT_BRAHMI 93
	#define UCDN_SCRIPT_MANDAIC 94
	#define UCDN_SCRIPT_CHAKMA 95
	#define UCDN_SCRIPT_MEROITIC_CURSIVE 96
	#define UCDN_SCRIPT_MEROITIC_HIEROGLYPHS 97
	#define UCDN_SCRIPT_MIAO 98
	#define UCDN_SCRIPT_SHARADA 99
	#define UCDN_SCRIPT_SORA_SOMPENG 100
	#define UCDN_SCRIPT_TAKRI 101
	#define UCDN_SCRIPT_UNKNOWN 102

	#define UCDN_GENERAL_CATEGORY_CC 0
	#define UCDN_GENERAL_CATEGORY_CF 1
	#define UCDN_GENERAL_CATEGORY_CN 2
	#define UCDN_GENERAL_CATEGORY_CO 3
	#define UCDN_GENERAL_CATEGORY_CS 4
	#define UCDN_GENERAL_CATEGORY_LL 5
	#define UCDN_GENERAL_CATEGORY_LM 6
	#define UCDN_GENERAL_CATEGORY_LO 7
	#define UCDN_GENERAL_CATEGORY_LT 8
	#define UCDN_GENERAL_CATEGORY_LU 9
	#define UCDN_GENERAL_CATEGORY_MC 10
	#define UCDN_GENERAL_CATEGORY_ME 11
	#define UCDN_GENERAL_CATEGORY_MN 12
	#define UCDN_GENERAL_CATEGORY_ND 13
	#define UCDN_GENERAL_CATEGORY_NL 14
	#define UCDN_GENERAL_CATEGORY_NO 15
	#define UCDN_GENERAL_CATEGORY_PC 16
	#define UCDN_GENERAL_CATEGORY_PD 17
	#define UCDN_GENERAL_CATEGORY_PE 18
	#define UCDN_GENERAL_CATEGORY_PF 19
	#define UCDN_GENERAL_CATEGORY_PI 20
	#define UCDN_GENERAL_CATEGORY_PO 21
	#define UCDN_GENERAL_CATEGORY_PS 22
	#define UCDN_GENERAL_CATEGORY_SC 23
	#define UCDN_GENERAL_CATEGORY_SK 24
	#define UCDN_GENERAL_CATEGORY_SM 25
	#define UCDN_GENERAL_CATEGORY_SO 26
	#define UCDN_GENERAL_CATEGORY_ZL 27
	#define UCDN_GENERAL_CATEGORY_ZP 28
	#define UCDN_GENERAL_CATEGORY_ZS 29

	#define UCDN_BIDI_CLASS_L 0
	#define UCDN_BIDI_CLASS_LRE 1
	#define UCDN_BIDI_CLASS_LRO 2
	#define UCDN_BIDI_CLASS_R 3
	#define UCDN_BIDI_CLASS_AL 4
	#define UCDN_BIDI_CLASS_RLE 5
	#define UCDN_BIDI_CLASS_RLO 6
	#define UCDN_BIDI_CLASS_PDF 7
	#define UCDN_BIDI_CLASS_EN 8
	#define UCDN_BIDI_CLASS_ES 9
	#define UCDN_BIDI_CLASS_ET 10
	#define UCDN_BIDI_CLASS_AN 11
	#define UCDN_BIDI_CLASS_CS 12
	#define UCDN_BIDI_CLASS_NSM 13
	#define UCDN_BIDI_CLASS_BN 14
	#define UCDN_BIDI_CLASS_B 15
	#define UCDN_BIDI_CLASS_S 16
	#define UCDN_BIDI_CLASS_WS 17
	#define UCDN_BIDI_CLASS_ON 18

	/**
	* Return version of the Unicode database.
	*
	* @return Unicode database version
	*/
	const char *ucdn_get_unicode_version(void);

	/**
	* Get combining class of a codepoint.
	*
	* @param code Unicode codepoint
	* @return combining class value, as defined in UAX#44
	*/
	int ucdn_get_combining_class(uint32_t code);

	/**
	* Get east-asian width of a codepoint.
	*
	* @param code Unicode codepoint
	* @return value according to UCDN_EAST_ASIAN_* and as defined in UAX#11.
	*/
	int ucdn_get_east_asian_width(uint32_t code);

	/**
	* Get general category of a codepoint.
	*
	* @param code Unicode codepoint
	* @return value according to UCDN_GENERAL_CATEGORY_* and as defined in
	* UAX#44.
	*/
	int ucdn_get_general_category(uint32_t code);

	/**
	* Get bidirectional class of a codepoint.
	*
	* @param code Unicode codepoint
	* @return value according to UCDN_BIDI_CLASS_* and as defined in UAX#44.
	*/
	int ucdn_get_bidi_class(uint32_t code);

	/**
	* Get script of a codepoint.
	*
	* @param code Unicode codepoint
	* @return value according to UCDN_SCRIPT_* and as defined in UAX#24.
	*/
	int ucdn_get_script(uint32_t code);

	/**
	* Check if codepoint can be mirrored.
	*
	* @param code Unicode codepoint
	* @return 1 if mirrored character exists, otherwise 0
	*/
	int ucdn_get_mirrored(uint32_t code);

	/**
	* Mirror a codepoint.
	*
	* @param code Unicode codepoint
	* @return mirrored codepoint or the original codepoint if no
	* mirrored character exists
	*/
	uint32_t ucdn_mirror(uint32_t code);

	/**
	* Pairwise canonical decomposition of a codepoint. This includes
	* Hangul Jamo decomposition (see chapter 3.12 of the Unicode core
	* specification).
	*
	* Hangul is decomposed into L and V jamos for LV forms, and an
	* LV precomposed syllable and a T jamo for LVT forms.
	*
	* @param code Unicode codepoint
	* @param a filled with first codepoint of decomposition
	* @param b filled with second codepoint of decomposition, or 0
	* @return success
	*/
	int ucdn_decompose(uint32_t code, uint32_t a, uint32_t b);

	/**
	* Compatibility decomposition of a codepoint.
	*
	* @param code Unicode codepoint
	* @param decomposed filled with decomposition, must be able to hold 18
	* characters
	* @return length of decomposition or 0 in case none exists
	*/
	int ucdn_compat_decompose(uint32_t code, uint32_t *decomposed);

	/**
	* Pairwise canonical composition of two codepoints. This includes
	* Hangul Jamo composition (see chapter 3.12 of the Unicode core
	* specification).
	*
	* Hangul composition expects either L and V jamos, or an LV
	* precomposed syllable and a T jamo. This is exactly the inverse
	* of pairwise Hangul decomposition.
	*
	* @param code filled with composition
	* @param a first codepoint
	* @param b second codepoint
	* @return success
	*/
	int ucdn_compose(uint32_t *code, uint32_t a, uint32_t b);

	HB_END_HEADER

	#endif