hb-unicode

## hb-unicode hb-unicode |

## Synopsis

    #define             HB_UNICODE_MAX_DECOMPOSITION_LEN
    hb_unicode_combining_class_t hb_unicode_combining_class (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode);
    hb_unicode_combining_class_t (*hb_unicode_combining_class_func_t)
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode,
                                                             void *user_data);
    enum                hb_unicode_combining_class_t;
    hb_bool_t           hb_unicode_compose                  (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t a,
                                                             hb_codepoint_t b,
                                                             hb_codepoint_t *ab);
    hb_bool_t           (*hb_unicode_compose_func_t)        (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t a,
                                                             hb_codepoint_t b,
                                                             hb_codepoint_t *ab,
                                                             void *user_data);
    hb_bool_t           hb_unicode_decompose                (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t ab,
                                                             hb_codepoint_t *a,
                                                             hb_codepoint_t *b);
    unsigned int        hb_unicode_decompose_compatibility  (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t u,
                                                             hb_codepoint_t *decomposed);
    hb_bool_t           (*hb_unicode_decompose_func_t)      (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t ab,
                                                             hb_codepoint_t *a,
                                                             hb_codepoint_t *b,
                                                             void *user_data);
    unsigned int        hb_unicode_eastasian_width          (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode);
    hb_unicode_funcs_t * hb_unicode_funcs_create            (hb_unicode_funcs_t *parent);
    void                hb_unicode_funcs_destroy            (hb_unicode_funcs_t *ufuncs);
    hb_unicode_funcs_t * hb_unicode_funcs_get_default       (void);
    hb_unicode_funcs_t * hb_unicode_funcs_get_empty         (void);
    hb_unicode_funcs_t * hb_unicode_funcs_get_parent        (hb_unicode_funcs_t *ufuncs);
    void *              hb_unicode_funcs_get_user_data      (hb_unicode_funcs_t *ufuncs,
                                                             hb_user_data_key_t *key);
    hb_bool_t           hb_unicode_funcs_is_immutable       (hb_unicode_funcs_t *ufuncs);
    void                hb_unicode_funcs_make_immutable     (hb_unicode_funcs_t *ufuncs);
    hb_unicode_funcs_t * hb_unicode_funcs_reference         (hb_unicode_funcs_t *ufuncs);
    void                hb_unicode_funcs_set_combining_class_func
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_combining_class_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);
    void                hb_unicode_funcs_set_compose_func   (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_compose_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);
    void                hb_unicode_funcs_set_decompose_compatibility_func
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_decompose_compatibility_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);
    void                hb_unicode_funcs_set_decompose_func (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_decompose_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);
    void                hb_unicode_funcs_set_eastasian_width_func
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_eastasian_width_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);
    void                hb_unicode_funcs_set_general_category_func
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_general_category_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);
    void                hb_unicode_funcs_set_mirroring_func (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_mirroring_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);
    void                hb_unicode_funcs_set_script_func    (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_script_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);
    hb_bool_t           hb_unicode_funcs_set_user_data      (hb_unicode_funcs_t *ufuncs,
                                                             hb_user_data_key_t *key,
                                                             void *data,
                                                             hb_destroy_func_t destroy,
                                                             hb_bool_t replace);
    typedef             hb_unicode_funcs_t;
    hb_unicode_general_category_t hb_unicode_general_category
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode);
    hb_unicode_general_category_t (*hb_unicode_general_category_func_t)
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode,
                                                             void *user_data);
    enum                hb_unicode_general_category_t;
    hb_codepoint_t      hb_unicode_mirroring                (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode);
    hb_codepoint_t      (*hb_unicode_mirroring_func_t)      (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode,
                                                             void *user_data);
    hb_script_t         hb_unicode_script                   (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode);
    hb_script_t         (*hb_unicode_script_func_t)         (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode,
                                                             void *user_data);

## Description

## Details

### HB_UNICODE_MAX_DECOMPOSITION_LEN

    #define HB_UNICODE_MAX_DECOMPOSITION_LEN (18+1) /* codepoints */

### hb_unicode_combining_class ()

    hb_unicode_combining_class_t hb_unicode_combining_class (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode);

### hb_unicode_combining_class_func_t ()

    hb_unicode_combining_class_t (*hb_unicode_combining_class_func_t)
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode,
                                                             void *user_data);

### enum hb_unicode_combining_class_t

    typedef enum {
      HB_UNICODE_COMBINING_CLASS_NOT_REORDERED = 0,
      HB_UNICODE_COMBINING_CLASS_OVERLAY		= 1,
      HB_UNICODE_COMBINING_CLASS_NUKTA		= 7,
      HB_UNICODE_COMBINING_CLASS_KANA_VOICING = 8,
      HB_UNICODE_COMBINING_CLASS_VIRAMA		= 9,

      /* Hebrew */
      HB_UNICODE_COMBINING_CLASS_CCC10 =  10,
      HB_UNICODE_COMBINING_CLASS_CCC11 =  11,
      HB_UNICODE_COMBINING_CLASS_CCC12 =  12,
      HB_UNICODE_COMBINING_CLASS_CCC13 =  13,
      HB_UNICODE_COMBINING_CLASS_CCC14 =  14,
      HB_UNICODE_COMBINING_CLASS_CCC15 =  15,
      HB_UNICODE_COMBINING_CLASS_CCC16 =  16,
      HB_UNICODE_COMBINING_CLASS_CCC17 =  17,
      HB_UNICODE_COMBINING_CLASS_CCC18 =  18,
      HB_UNICODE_COMBINING_CLASS_CCC19 =  19,
      HB_UNICODE_COMBINING_CLASS_CCC20 =  20,
      HB_UNICODE_COMBINING_CLASS_CCC21 =  21,
      HB_UNICODE_COMBINING_CLASS_CCC22 =  22,
      HB_UNICODE_COMBINING_CLASS_CCC23 =  23,
      HB_UNICODE_COMBINING_CLASS_CCC24 =  24,
      HB_UNICODE_COMBINING_CLASS_CCC25 =  25,
      HB_UNICODE_COMBINING_CLASS_CCC26 =  26,

      /* Arabic */
      HB_UNICODE_COMBINING_CLASS_CCC27 =  27,
      HB_UNICODE_COMBINING_CLASS_CCC28 =  28,
      HB_UNICODE_COMBINING_CLASS_CCC29 =  29,
      HB_UNICODE_COMBINING_CLASS_CCC30 =  30,
      HB_UNICODE_COMBINING_CLASS_CCC31 =  31,
      HB_UNICODE_COMBINING_CLASS_CCC32 =  32,
      HB_UNICODE_COMBINING_CLASS_CCC33 =  33,
      HB_UNICODE_COMBINING_CLASS_CCC34 =  34,
      HB_UNICODE_COMBINING_CLASS_CCC35 =  35,

      /* Syriac */
      HB_UNICODE_COMBINING_CLASS_CCC36 =  36,

      /* Telugu */
      HB_UNICODE_COMBINING_CLASS_CCC84 =  84,
      HB_UNICODE_COMBINING_CLASS_CCC91 =  91,

      /* Thai */
      HB_UNICODE_COMBINING_CLASS_CCC103 = 103,
      HB_UNICODE_COMBINING_CLASS_CCC107 = 107,

      /* Lao */
      HB_UNICODE_COMBINING_CLASS_CCC118 = 118,
      HB_UNICODE_COMBINING_CLASS_CCC122 = 122,

      /* Tibetan */
      HB_UNICODE_COMBINING_CLASS_CCC129 = 129,
      HB_UNICODE_COMBINING_CLASS_CCC130 = 130,
      HB_UNICODE_COMBINING_CLASS_CCC133 = 132,

      HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW_LEFT = 200,
      HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW		= 202,
      HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE		= 214,
      HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE_RIGHT = 216,
      HB_UNICODE_COMBINING_CLASS_BELOW_LEFT			= 218,
      HB_UNICODE_COMBINING_CLASS_BELOW			= 220,
      HB_UNICODE_COMBINING_CLASS_BELOW_RIGHT		= 222,
      HB_UNICODE_COMBINING_CLASS_LEFT			= 224,
      HB_UNICODE_COMBINING_CLASS_RIGHT			= 226,
      HB_UNICODE_COMBINING_CLASS_ABOVE_LEFT			= 228,
      HB_UNICODE_COMBINING_CLASS_ABOVE			= 230,
      HB_UNICODE_COMBINING_CLASS_ABOVE_RIGHT		= 232,
      HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW		= 233,
      HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE		= 234,

      HB_UNICODE_COMBINING_CLASS_IOTA_SUBSCRIPT		= 240,

      HB_UNICODE_COMBINING_CLASS_INVALID = 255
    } hb_unicode_combining_class_t;

`HB_UNICODE_COMBINING_CLASS_NOT_REORDERED` |
`HB_UNICODE_COMBINING_CLASS_OVERLAY` |
`HB_UNICODE_COMBINING_CLASS_NUKTA` |
`HB_UNICODE_COMBINING_CLASS_KANA_VOICING` |
`HB_UNICODE_COMBINING_CLASS_VIRAMA` |
`HB_UNICODE_COMBINING_CLASS_CCC10` |
`HB_UNICODE_COMBINING_CLASS_CCC11` |
`HB_UNICODE_COMBINING_CLASS_CCC12` |
`HB_UNICODE_COMBINING_CLASS_CCC13` |
`HB_UNICODE_COMBINING_CLASS_CCC14` |
`HB_UNICODE_COMBINING_CLASS_CCC15` |
`HB_UNICODE_COMBINING_CLASS_CCC16` |
`HB_UNICODE_COMBINING_CLASS_CCC17` |
`HB_UNICODE_COMBINING_CLASS_CCC18` |
`HB_UNICODE_COMBINING_CLASS_CCC19` |
`HB_UNICODE_COMBINING_CLASS_CCC20` |
`HB_UNICODE_COMBINING_CLASS_CCC21` |
`HB_UNICODE_COMBINING_CLASS_CCC22` |
`HB_UNICODE_COMBINING_CLASS_CCC23` |
`HB_UNICODE_COMBINING_CLASS_CCC24` |
`HB_UNICODE_COMBINING_CLASS_CCC25` |
`HB_UNICODE_COMBINING_CLASS_CCC26` |
`HB_UNICODE_COMBINING_CLASS_CCC27` |
`HB_UNICODE_COMBINING_CLASS_CCC28` |
`HB_UNICODE_COMBINING_CLASS_CCC29` |
`HB_UNICODE_COMBINING_CLASS_CCC30` |
`HB_UNICODE_COMBINING_CLASS_CCC31` |
`HB_UNICODE_COMBINING_CLASS_CCC32` |
`HB_UNICODE_COMBINING_CLASS_CCC33` |
`HB_UNICODE_COMBINING_CLASS_CCC34` |
`HB_UNICODE_COMBINING_CLASS_CCC35` |
`HB_UNICODE_COMBINING_CLASS_CCC36` |
`HB_UNICODE_COMBINING_CLASS_CCC84` |
`HB_UNICODE_COMBINING_CLASS_CCC91` |
`HB_UNICODE_COMBINING_CLASS_CCC103` |
`HB_UNICODE_COMBINING_CLASS_CCC107` |
`HB_UNICODE_COMBINING_CLASS_CCC118` |
`HB_UNICODE_COMBINING_CLASS_CCC122` |
`HB_UNICODE_COMBINING_CLASS_CCC129` |
`HB_UNICODE_COMBINING_CLASS_CCC130` |
`HB_UNICODE_COMBINING_CLASS_CCC133` |
`HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW_LEFT` |
`HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW` |
`HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE` |
`HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE_RIGHT` |
`HB_UNICODE_COMBINING_CLASS_BELOW_LEFT` |
`HB_UNICODE_COMBINING_CLASS_BELOW` |
`HB_UNICODE_COMBINING_CLASS_BELOW_RIGHT` |
`HB_UNICODE_COMBINING_CLASS_LEFT` |
`HB_UNICODE_COMBINING_CLASS_RIGHT` |
`HB_UNICODE_COMBINING_CLASS_ABOVE_LEFT` |
`HB_UNICODE_COMBINING_CLASS_ABOVE` |
`HB_UNICODE_COMBINING_CLASS_ABOVE_RIGHT` |
`HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW` |
`HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE` |
`HB_UNICODE_COMBINING_CLASS_IOTA_SUBSCRIPT` |
`HB_UNICODE_COMBINING_CLASS_INVALID` |

### hb_unicode_compose ()

    hb_bool_t           hb_unicode_compose                  (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t a,
                                                             hb_codepoint_t b,
                                                             hb_codepoint_t *ab);

`ufuncs` : | Unicode functions.
`ab` : | . [out]

Since 1.0

### hb_unicode_compose_func_t ()

    hb_bool_t           (*hb_unicode_compose_func_t)        (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t a,
                                                             hb_codepoint_t b,
                                                             hb_codepoint_t *ab,
                                                             void *user_data);

### hb_unicode_decompose ()

    hb_bool_t           hb_unicode_decompose                (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t ab,
                                                             hb_codepoint_t *a,
                                                             hb_codepoint_t *b);

`ufuncs` : | Unicode functions.
`a` : | . [out]
`b` : | . [out]

Since 1.0

### hb_unicode_decompose_compatibility ()

    unsigned int        hb_unicode_decompose_compatibility  (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t u,
                                                             hb_codepoint_t *decomposed);

`ufuncs` : | Unicode functions.
`decomposed` : | . [out]

Since 1.0

### hb_unicode_decompose_func_t ()

    hb_bool_t           (*hb_unicode_decompose_func_t)      (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t ab,
                                                             hb_codepoint_t *a,
                                                             hb_codepoint_t *b,
                                                             void *user_data);

### hb_unicode_eastasian_width ()

    unsigned int        hb_unicode_eastasian_width          (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode);

### hb_unicode_funcs_create ()

    hb_unicode_funcs_t * hb_unicode_funcs_create            (hb_unicode_funcs_t *parent);

### hb_unicode_funcs_destroy ()

    void                hb_unicode_funcs_destroy            (hb_unicode_funcs_t *ufuncs);

`ufuncs` : | Unicode functions.

Since 1.0

### hb_unicode_funcs_get_default ()

    hb_unicode_funcs_t * hb_unicode_funcs_get_default       (void);

### hb_unicode_funcs_get_empty ()

    hb_unicode_funcs_t * hb_unicode_funcs_get_empty         (void);

Returns : | . [transfer full]

Since 1.0

### hb_unicode_funcs_get_parent ()

    hb_unicode_funcs_t * hb_unicode_funcs_get_parent        (hb_unicode_funcs_t *ufuncs);

`ufuncs` : | Unicode functions.

Since 1.0

### hb_unicode_funcs_get_user_data ()

    void *              hb_unicode_funcs_get_user_data      (hb_unicode_funcs_t *ufuncs,
                                                             hb_user_data_key_t *key);

`ufuncs` : | Unicode functions.
Returns : | . [transfer none]

Since 1.0

### hb_unicode_funcs_is_immutable ()

    hb_bool_t           hb_unicode_funcs_is_immutable       (hb_unicode_funcs_t *ufuncs);

`ufuncs` : | Unicode functions.

Since 1.0

### hb_unicode_funcs_make_immutable ()

    void                hb_unicode_funcs_make_immutable     (hb_unicode_funcs_t *ufuncs);

`ufuncs` : | Unicode functions.

Since 1.0

### hb_unicode_funcs_reference ()

    hb_unicode_funcs_t * hb_unicode_funcs_reference         (hb_unicode_funcs_t *ufuncs);

`ufuncs` : | Unicode functions.
Returns : | . [transfer full]

Since 1.0

### hb_unicode_funcs_set_combining_class_func ()

    void                hb_unicode_funcs_set_combining_class_func
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_combining_class_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);

`ufuncs` : | a Unicode function structure

Since 1.0

### hb_unicode_funcs_set_compose_func ()

    void                hb_unicode_funcs_set_compose_func   (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_compose_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);

`ufuncs` : | a Unicode function structure

Since 1.0

### hb_unicode_funcs_set_decompose_compatibility_func ()

    void                hb_unicode_funcs_set_decompose_compatibility_func
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_decompose_compatibility_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);

`ufuncs` : | a Unicode function structure

Since 1.0

### hb_unicode_funcs_set_decompose_func ()

    void                hb_unicode_funcs_set_decompose_func (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_decompose_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);

`ufuncs` : | a Unicode function structure

Since 1.0

### hb_unicode_funcs_set_eastasian_width_func ()

    void                hb_unicode_funcs_set_eastasian_width_func
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_eastasian_width_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);

`ufuncs` : | a Unicode function structure

Since 1.0

### hb_unicode_funcs_set_general_category_func ()

    void                hb_unicode_funcs_set_general_category_func
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_general_category_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);

`ufuncs` : | a Unicode function structure

Since 1.0

### hb_unicode_funcs_set_mirroring_func ()

    void                hb_unicode_funcs_set_mirroring_func (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_mirroring_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);

`ufuncs` : | a Unicode function structure

Since 1.0

### hb_unicode_funcs_set_script_func ()

    void                hb_unicode_funcs_set_script_func    (hb_unicode_funcs_t *ufuncs,
                                                             hb_unicode_script_func_t func,
                                                             void *user_data,
                                                             hb_destroy_func_t destroy);

`ufuncs` : | a Unicode function structure

Since 1.0

### hb_unicode_funcs_set_user_data ()

    hb_bool_t           hb_unicode_funcs_set_user_data      (hb_unicode_funcs_t *ufuncs,
                                                             hb_user_data_key_t *key,
                                                             void *data,
                                                             hb_destroy_func_t destroy,
                                                             hb_bool_t replace);

`ufuncs` : | Unicode functions.

Since 1.0

### hb_unicode_funcs_t

    typedef struct hb_unicode_funcs_t hb_unicode_funcs_t;

### hb_unicode_general_category ()

    hb_unicode_general_category_t hb_unicode_general_category
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode);

### hb_unicode_general_category_func_t ()

    hb_unicode_general_category_t (*hb_unicode_general_category_func_t)
                                                            (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode,
                                                             void *user_data);

### enum hb_unicode_general_category_t

    typedef enum {
      HB_UNICODE_GENERAL_CATEGORY_CONTROL,			/* Cc */
      HB_UNICODE_GENERAL_CATEGORY_FORMAT,			/* Cf */
      HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED,		/* Cn */
      HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE,		/* Co */
      HB_UNICODE_GENERAL_CATEGORY_SURROGATE,		/* Cs */
      HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER,		/* Ll */
      HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER,		/* Lm */
      HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER,		/* Lo */
      HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER,		/* Lt */
      HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER,		/* Lu */
      HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK,		/* Mc */
      HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK,		/* Me */
      HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK,		/* Mn */
      HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER,		/* Nd */
      HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER,		/* Nl */
      HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER,		/* No */
      HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION, /* Pc */
      HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION,		/* Pd */
      HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION, /* Pe */
      HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION, /* Pf */
      HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION, /* Pi */
      HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION, /* Po */
      HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION,		/* Ps */
      HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL,		/* Sc */
      HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL,		/* Sk */
      HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL,		/* Sm */
      HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL,		/* So */
      HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR,		/* Zl */
      HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR, /* Zp */
      HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR		/* Zs */
    } hb_unicode_general_category_t;

`HB_UNICODE_GENERAL_CATEGORY_CONTROL` |
`HB_UNICODE_GENERAL_CATEGORY_FORMAT` |
`HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED` |
`HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE` |
`HB_UNICODE_GENERAL_CATEGORY_SURROGATE` |
`HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER` |
`HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER` |
`HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER` |
`HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER` |
`HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER` |
`HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK` |
`HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK` |
`HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK` |
`HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER` |
`HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER` |
`HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER` |
`HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION` |
`HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION` |
`HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION` |
`HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION` |
`HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION` |
`HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION` |
`HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION` |
`HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL` |
`HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL` |
`HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL` |
`HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL` |
`HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR` |
`HB_UNICODE_GENERAL_CATEGORY_PARAGRAPH_SEPARATOR` |
`HB_UNICODE_GENERAL_CATEGORY_SPACE_SEPARATOR` |

### hb_unicode_mirroring ()

    hb_codepoint_t      hb_unicode_mirroring                (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode);

### hb_unicode_mirroring_func_t ()

    hb_codepoint_t      (*hb_unicode_mirroring_func_t)      (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode,
                                                             void *user_data);

### hb_unicode_script ()

    hb_script_t         hb_unicode_script                   (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode);

### hb_unicode_script_func_t ()

    hb_script_t         (*hb_unicode_script_func_t)         (hb_unicode_funcs_t *ufuncs,
                                                             hb_codepoint_t unicode,
                                                             void *user_data);