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-/*
- * Copyright © 2012 Google, Inc.
- *
- * This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Google Author(s): Behdad Esfahbod
- */
-
-#ifndef HB_OT_SHAPE_COMPLEX_INDIC_PRIVATE_HH
-#define HB_OT_SHAPE_COMPLEX_INDIC_PRIVATE_HH
-
-#include "hb-private.hh"
-
-
-#include "hb-ot-shape-complex-private.hh"
-#include "hb-ot-shape-private.hh" /* XXX Remove */
-
-
-#define INDIC_TABLE_ELEMENT_TYPE uint16_t
-
-/* Cateories used in the OpenType spec:
- * https://www.microsoft.com/typography/otfntdev/devanot/shaping.aspx
- */
-/* Note: This enum is duplicated in the -machine.rl source file.
- * Not sure how to avoid duplication. */
-enum indic_category_t {
- OT_X = 0,
- OT_C,
- OT_V,
- OT_N,
- OT_H,
- OT_ZWNJ,
- OT_ZWJ,
- OT_M,
- OT_SM,
- OT_VD,
- OT_A,
- OT_NBSP,
- OT_DOTTEDCIRCLE, /* Not in the spec, but special in Uniscribe. /Very very/ special! */
- OT_RS, /* Register Shifter, used in Khmer OT spec */
- OT_Coeng,
- OT_Repha,
- OT_Ra, /* Not explicitly listed in the OT spec, but used in the grammar. */
- OT_CM
-};
-
-/* Visual positions in a syllable from left to right. */
-enum indic_position_t {
- POS_START,
-
- POS_RA_TO_BECOME_REPH,
- POS_PRE_M,
- POS_PRE_C,
-
- POS_BASE_C,
- POS_AFTER_MAIN,
-
- POS_ABOVE_C,
-
- POS_BEFORE_SUB,
- POS_BELOW_C,
- POS_AFTER_SUB,
-
- POS_BEFORE_POST,
- POS_POST_C,
- POS_AFTER_POST,
-
- POS_FINAL_C,
- POS_SMVD,
-
- POS_END
-};
-
-/* Categories used in IndicSyllabicCategory.txt from UCD. */
-enum indic_syllabic_category_t {
- INDIC_SYLLABIC_CATEGORY_OTHER = OT_X,
-
- INDIC_SYLLABIC_CATEGORY_AVAGRAHA = OT_X,
- INDIC_SYLLABIC_CATEGORY_BINDU = OT_SM,
- INDIC_SYLLABIC_CATEGORY_CONSONANT = OT_C,
- INDIC_SYLLABIC_CATEGORY_CONSONANT_DEAD = OT_C,
- INDIC_SYLLABIC_CATEGORY_CONSONANT_FINAL = OT_CM,
- INDIC_SYLLABIC_CATEGORY_CONSONANT_HEAD_LETTER = OT_C,
- INDIC_SYLLABIC_CATEGORY_CONSONANT_MEDIAL = OT_CM,
- INDIC_SYLLABIC_CATEGORY_CONSONANT_PLACEHOLDER = OT_NBSP,
- INDIC_SYLLABIC_CATEGORY_CONSONANT_SUBJOINED = OT_C,
- INDIC_SYLLABIC_CATEGORY_CONSONANT_REPHA = OT_Repha,
- INDIC_SYLLABIC_CATEGORY_MODIFYING_LETTER = OT_X,
- INDIC_SYLLABIC_CATEGORY_NUKTA = OT_N,
- INDIC_SYLLABIC_CATEGORY_REGISTER_SHIFTER = OT_RS,
- INDIC_SYLLABIC_CATEGORY_TONE_LETTER = OT_X,
- INDIC_SYLLABIC_CATEGORY_TONE_MARK = OT_N,
- INDIC_SYLLABIC_CATEGORY_VIRAMA = OT_H,
- INDIC_SYLLABIC_CATEGORY_VISARGA = OT_SM,
- INDIC_SYLLABIC_CATEGORY_VOWEL = OT_V,
- INDIC_SYLLABIC_CATEGORY_VOWEL_DEPENDENT = OT_M,
- INDIC_SYLLABIC_CATEGORY_VOWEL_INDEPENDENT = OT_V
-};
-
-/* Categories used in IndicSMatraCategory.txt from UCD */
-enum indic_matra_category_t {
- INDIC_MATRA_CATEGORY_NOT_APPLICABLE = POS_END,
-
- INDIC_MATRA_CATEGORY_LEFT = POS_PRE_C,
- INDIC_MATRA_CATEGORY_TOP = POS_ABOVE_C,
- INDIC_MATRA_CATEGORY_BOTTOM = POS_BELOW_C,
- INDIC_MATRA_CATEGORY_RIGHT = POS_POST_C,
-
- /* These should resolve to the position of the last part of the split sequence. */
- INDIC_MATRA_CATEGORY_BOTTOM_AND_RIGHT = INDIC_MATRA_CATEGORY_RIGHT,
- INDIC_MATRA_CATEGORY_LEFT_AND_RIGHT = INDIC_MATRA_CATEGORY_RIGHT,
- INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM = INDIC_MATRA_CATEGORY_BOTTOM,
- INDIC_MATRA_CATEGORY_TOP_AND_BOTTOM_AND_RIGHT = INDIC_MATRA_CATEGORY_RIGHT,
- INDIC_MATRA_CATEGORY_TOP_AND_LEFT = INDIC_MATRA_CATEGORY_TOP,
- INDIC_MATRA_CATEGORY_TOP_AND_LEFT_AND_RIGHT = INDIC_MATRA_CATEGORY_RIGHT,
- INDIC_MATRA_CATEGORY_TOP_AND_RIGHT = INDIC_MATRA_CATEGORY_RIGHT,
-
- INDIC_MATRA_CATEGORY_INVISIBLE = INDIC_MATRA_CATEGORY_NOT_APPLICABLE,
- INDIC_MATRA_CATEGORY_OVERSTRUCK = POS_AFTER_MAIN,
- INDIC_MATRA_CATEGORY_VISUAL_ORDER_LEFT = POS_PRE_M
-};
-
-/* Note: We use ASSERT_STATIC_EXPR_ZERO() instead of ASSERT_STATIC_EXPR() and the comma operation
- * because gcc fails to optimize the latter and fills the table in at runtime. */
-#define INDIC_COMBINE_CATEGORIES(S,M) \
- (ASSERT_STATIC_EXPR_ZERO (M == INDIC_MATRA_CATEGORY_NOT_APPLICABLE || (S == INDIC_SYLLABIC_CATEGORY_VIRAMA || S == INDIC_SYLLABIC_CATEGORY_VOWEL_DEPENDENT)) + \
- ASSERT_STATIC_EXPR_ZERO (S < 255 && M < 255) + \
- ((M << 8) | S))
-
-HB_INTERNAL INDIC_TABLE_ELEMENT_TYPE
-hb_indic_get_categories (hb_codepoint_t u);
-
-#endif /* HB_OT_SHAPE_COMPLEX_INDIC_PRIVATE_HH */