93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2010 Free Software Foundation, Inc.
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*
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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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*
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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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*
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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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*/
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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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struct grub_unicode_compact_range
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{
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grub_uint32_t start:21;
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grub_uint32_t end: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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} __attribute__ ((packed));
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enum grub_bidi_type
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{
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GRUB_BIDI_TYPE_L = 0,
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GRUB_BIDI_TYPE_LRE,
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GRUB_BIDI_TYPE_LRO,
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GRUB_BIDI_TYPE_R,
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GRUB_BIDI_TYPE_AL,
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GRUB_BIDI_TYPE_RLE,
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GRUB_BIDI_TYPE_RLO,
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GRUB_BIDI_TYPE_PDF,
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GRUB_BIDI_TYPE_EN,
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GRUB_BIDI_TYPE_ES,
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GRUB_BIDI_TYPE_ET,
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GRUB_BIDI_TYPE_AN,
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GRUB_BIDI_TYPE_CS,
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GRUB_BIDI_TYPE_NSM,
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GRUB_BIDI_TYPE_BN,
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GRUB_BIDI_TYPE_B,
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GRUB_BIDI_TYPE_S,
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GRUB_BIDI_TYPE_WS,
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GRUB_BIDI_TYPE_ON
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};
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enum grub_comb_type
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{
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GRUB_UNICODE_COMB_OVERLAY = 1,
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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_STACK_BELOW = 220,
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GRUB_UNICODE_STACK_ABOVE = 230,
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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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};
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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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{
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grub_uint32_t base;
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grub_uint16_t variant:9;
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grub_uint8_t attributes:1;
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grub_size_t ncomb;
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grub_uint32_t *combining;
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};
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#define GRUB_UNICODE_GLYPH_ATTRIBUTE_MIRROR 0x1
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#define GRUB_UNICODE_VARIATION_SELECTOR_1 0xfe00
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#define GRUB_UNICODE_VARIATION_SELECTOR_16 0xfe0f
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#define GRUB_UNICODE_VARIATION_SELECTOR_17 0xe0100
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#define GRUB_UNICODE_VARIATION_SELECTOR_256 0xe01ef
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extern struct grub_unicode_compact_range grub_unicode_compact[];
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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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#endif
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