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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2010 Free Software Foundation, Inc.
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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#ifndef GRUB_BIDI_HEADER
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#define GRUB_BIDI_HEADER 1
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#include <grub/types.h>
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#include <grub/misc.h>
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struct grub_unicode_bidi_pair
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grub_uint32_t replace;
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struct grub_unicode_compact_range
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grub_uint32_t start:21;
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grub_uint8_t bidi_type:5;
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grub_uint8_t comb_type;
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grub_uint8_t bidi_mirror:1;
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grub_uint8_t join_type:3;
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} __attribute__ ((packed));
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/* Old-style Arabic shaping. Used for "visual UTF-8" and
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in grub-mkfont to find variant glyphs in absence of GPOS tables. */
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struct grub_unicode_arabic_shape
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grub_uint32_t isolated;
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grub_uint32_t right_linked;
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grub_uint32_t both_linked;
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grub_uint32_t left_linked;
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extern struct grub_unicode_arabic_shape grub_unicode_arabic_shapes[];
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GRUB_JOIN_TYPE_NONJOINING = 0,
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GRUB_JOIN_TYPE_LEFT = 1,
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GRUB_JOIN_TYPE_RIGHT = 2,
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GRUB_JOIN_TYPE_DUAL = 3,
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GRUB_JOIN_TYPE_CAUSING = 4,
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GRUB_JOIN_TYPE_TRANSPARENT = 5
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GRUB_UNICODE_COMB_NONE = 0,
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GRUB_UNICODE_COMB_OVERLAY = 1,
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GRUB_UNICODE_COMB_HEBREW_SHEVA = 10,
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GRUB_UNICODE_COMB_HEBREW_HATAF_SEGOL = 11,
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GRUB_UNICODE_COMB_HEBREW_HATAF_PATAH = 12,
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GRUB_UNICODE_COMB_HEBREW_HATAF_QAMATS = 13,
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GRUB_UNICODE_COMB_HEBREW_HIRIQ = 14,
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GRUB_UNICODE_COMB_HEBREW_TSERE = 15,
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GRUB_UNICODE_COMB_HEBREW_SEGOL = 16,
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GRUB_UNICODE_COMB_HEBREW_PATAH = 17,
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GRUB_UNICODE_COMB_HEBREW_QAMATS = 18,
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GRUB_UNICODE_COMB_HEBREW_HOLAM = 19,
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GRUB_UNICODE_COMB_HEBREW_QUBUTS = 20,
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GRUB_UNICODE_COMB_HEBREW_DAGESH = 21,
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GRUB_UNICODE_COMB_HEBREW_METEG = 22,
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GRUB_UNICODE_COMB_HEBREW_RAFE = 23,
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GRUB_UNICODE_COMB_HEBREW_SHIN_DOT = 24,
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GRUB_UNICODE_COMB_HEBREW_SIN_DOT = 25,
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GRUB_UNICODE_COMB_HEBREW_VARIKA = 26,
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GRUB_UNICODE_COMB_ARABIC_FATHATAN = 27,
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GRUB_UNICODE_COMB_ARABIC_DAMMATAN = 28,
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GRUB_UNICODE_COMB_ARABIC_KASRATAN = 29,
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GRUB_UNICODE_COMB_ARABIC_FATHAH = 30,
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GRUB_UNICODE_COMB_ARABIC_DAMMAH = 31,
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GRUB_UNICODE_COMB_ARABIC_KASRA = 32,
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GRUB_UNICODE_COMB_ARABIC_SHADDA = 33,
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GRUB_UNICODE_COMB_ARABIC_SUKUN = 34,
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GRUB_UNICODE_COMB_ARABIC_SUPERSCRIPT_ALIF = 35,
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GRUB_UNICODE_COMB_SYRIAC_SUPERSCRIPT_ALAPH = 36,
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GRUB_UNICODE_STACK_ATTACHED_BELOW = 202,
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GRUB_UNICODE_STACK_ATTACHED_ABOVE = 214,
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GRUB_UNICODE_COMB_ATTACHED_ABOVE_RIGHT = 216,
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GRUB_UNICODE_STACK_BELOW = 220,
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GRUB_UNICODE_COMB_BELOW_RIGHT = 222,
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GRUB_UNICODE_COMB_ABOVE_LEFT = 228,
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GRUB_UNICODE_STACK_ABOVE = 230,
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GRUB_UNICODE_COMB_ABOVE_RIGHT = 232,
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GRUB_UNICODE_COMB_YPOGEGRAMMENI = 240,
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/* If combining nature is indicated only by class and
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not "combining type". */
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GRUB_UNICODE_COMB_ME = 253,
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GRUB_UNICODE_COMB_MC = 254,
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GRUB_UNICODE_COMB_MN = 255,
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/* This structure describes a glyph as opposed to character. */
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struct grub_unicode_glyph
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grub_uint16_t variant:9;
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grub_uint8_t attributes:5;
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struct grub_unicode_combining {
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enum grub_comb_type type;
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/* Hint by unicode subsystem how wide this character usually is.
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Real width is determined by font. Set only in UTF-8 stream. */
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#define GRUB_UNICODE_GLYPH_ATTRIBUTE_MIRROR 0x1
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#define GRUB_UNICODE_GLYPH_ATTRIBUTES_JOIN_LEFT_TO_RIGHT_SHIFT 1
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#define GRUB_UNICODE_GLYPH_ATTRIBUTE_LEFT_JOINED 0x2
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#define GRUB_UNICODE_GLYPH_ATTRIBUTE_RIGHT_JOINED \
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(GRUB_UNICODE_GLYPH_ATTRIBUTE_LEFT_JOINED \
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<< GRUB_UNICODE_GLYPH_ATTRIBUTES_JOIN_LEFT_TO_RIGHT_SHIFT)
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/* Set iff the corresponding joining flags come from ZWJ or ZWNJ. */
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#define GRUB_UNICODE_GLYPH_ATTRIBUTE_LEFT_JOINED_EXPLICIT 0x8
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#define GRUB_UNICODE_GLYPH_ATTRIBUTE_RIGHT_JOINED_EXPLICIT \
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(GRUB_UNICODE_GLYPH_ATTRIBUTE_LEFT_JOINED_EXPLICIT \
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<< GRUB_UNICODE_GLYPH_ATTRIBUTES_JOIN_LEFT_TO_RIGHT_SHIFT)
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#define GRUB_UNICODE_GLYPH_ATTRIBUTES_JOIN \
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(GRUB_UNICODE_GLYPH_ATTRIBUTE_LEFT_JOINED \
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| GRUB_UNICODE_GLYPH_ATTRIBUTE_RIGHT_JOINED \
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| GRUB_UNICODE_GLYPH_ATTRIBUTE_LEFT_JOINED_EXPLICIT \
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| GRUB_UNICODE_GLYPH_ATTRIBUTE_RIGHT_JOINED_EXPLICIT)
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GRUB_UNICODE_COMBINING_GRAPHEME_JOINER = 0x034f,
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GRUB_UNICODE_HEBREW_WAW = 0x05d5,
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GRUB_UNICODE_ARABIC_START = 0x0600,
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GRUB_UNICODE_ARABIC_END = 0x0700,
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GRUB_UNICODE_THAANA_ABAFILI = 0x07a6,
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GRUB_UNICODE_THAANA_AABAAFILI = 0x07a7,
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GRUB_UNICODE_THAANA_IBIFILI = 0x07a8,
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GRUB_UNICODE_THAANA_EEBEEFILI = 0x07a9,
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GRUB_UNICODE_THAANA_UBUFILI = 0x07aa,
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GRUB_UNICODE_THAANA_OOBOOFILI = 0x07ab,
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GRUB_UNICODE_THAANA_EBEFILI = 0x07ac,
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GRUB_UNICODE_THAANA_EYBEYFILI = 0x07ad,
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GRUB_UNICODE_THAANA_OBOFILI = 0x07ae,
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GRUB_UNICODE_THAANA_OABOAFILI = 0x07af,
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GRUB_UNICODE_THAANA_SUKUN = 0x07b0,
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GRUB_UNICODE_ZWNJ = 0x200c,
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GRUB_UNICODE_ZWJ = 0x200d,
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GRUB_UNICODE_LEFTARROW = 0x2190,
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GRUB_UNICODE_UPARROW = 0x2191,
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GRUB_UNICODE_RIGHTARROW = 0x2192,
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GRUB_UNICODE_DOWNARROW = 0x2193,
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GRUB_UNICODE_LIGHT_HLINE = 0x2500,
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GRUB_UNICODE_HLINE = 0x2501,
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GRUB_UNICODE_LIGHT_VLINE = 0x2502,
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GRUB_UNICODE_VLINE = 0x2503,
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GRUB_UNICODE_LIGHT_CORNER_UL = 0x250c,
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GRUB_UNICODE_CORNER_UL = 0x250f,
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GRUB_UNICODE_LIGHT_CORNER_UR = 0x2510,
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GRUB_UNICODE_CORNER_UR = 0x2513,
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GRUB_UNICODE_LIGHT_CORNER_LL = 0x2514,
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GRUB_UNICODE_CORNER_LL = 0x2517,
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GRUB_UNICODE_LIGHT_CORNER_LR = 0x2518,
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GRUB_UNICODE_CORNER_LR = 0x251b,
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GRUB_UNICODE_BLACK_UP_TRIANGLE = 0x25b2,
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GRUB_UNICODE_BLACK_RIGHT_TRIANGLE = 0x25ba,
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GRUB_UNICODE_BLACK_DOWN_TRIANGLE = 0x25bc,
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GRUB_UNICODE_BLACK_LEFT_TRIANGLE = 0x25c4,
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GRUB_UNICODE_VARIATION_SELECTOR_1 = 0xfe00,
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GRUB_UNICODE_VARIATION_SELECTOR_16 = 0xfe0f,
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GRUB_UNICODE_VARIATION_SELECTOR_17 = 0xe0100,
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GRUB_UNICODE_VARIATION_SELECTOR_256 = 0xe01ef
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extern struct grub_unicode_compact_range grub_unicode_compact[];
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extern struct grub_unicode_bidi_pair grub_unicode_bidi_pairs[];
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#define GRUB_UNICODE_MAX_CACHED_CHAR 0x20000
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/* Unicode mandates an arbitrary limit. */
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#define GRUB_BIDI_MAX_EXPLICIT_LEVEL 61
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grub_bidi_logical_to_visual (const grub_uint32_t *logical,
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grub_size_t logical_len,
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struct grub_unicode_glyph **visual_out,
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grub_ssize_t (*getcharwidth) (const struct grub_unicode_glyph *visual),
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grub_size_t max_width,
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grub_size_t start_width);
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grub_unicode_get_comb_type (grub_uint32_t c);
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grub_unicode_aglomerate_comb (const grub_uint32_t *in, grub_size_t inlen,
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struct grub_unicode_glyph *out);
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static inline struct grub_unicode_glyph *
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grub_unicode_glyph_dup (const struct grub_unicode_glyph *in)
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struct grub_unicode_glyph *out = grub_malloc (sizeof (*out));
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grub_memcpy (out, in, sizeof (*in));
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out->combining = grub_malloc (in->ncomb * sizeof (*in));
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grub_memcpy (out->combining, in->combining, in->ncomb * sizeof (*in));
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static inline struct grub_unicode_glyph *
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grub_unicode_glyph_from_code (grub_uint32_t code)
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struct grub_unicode_glyph *ret;
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ret = grub_zalloc (sizeof (*ret));
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grub_unicode_mirror_code (grub_uint32_t in);
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grub_unicode_shape_code (grub_uint32_t in, grub_uint8_t attr);
added
removed
include/grub/unicode.h
