531 lines
13 KiB
C++
531 lines
13 KiB
C++
/*
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* Copyright © 2013 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#ifndef HB_BUFFER_DESERIALIZE_TEXT_HH
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#define HB_BUFFER_DESERIALIZE_TEXT_HH
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#include "hb.hh"
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static const unsigned char _deserialize_text_trans_keys[] = {
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1u, 0u, 0u, 10u, 4u, 7u, 6u, 7u,
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4u, 7u, 6u, 7u, 6u, 7u, 4u, 7u,
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6u, 7u, 3u, 3u, 4u, 7u, 6u, 7u,
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3u, 7u, 0u, 12u, 0u, 12u, 1u, 0u,
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0u, 10u, 0u, 12u, 0u, 12u, 0u, 12u,
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0u, 12u, 0u, 12u, 0u, 12u, 0u, 12u,
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0u, 12u, 0u, 12u, 0u, 12u, 0u
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};
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static const char _deserialize_text_char_class[] = {
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0, 0, 0, 0, 0, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 0,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 2, 3, 4, 5, 1, 6,
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7, 7, 7, 7, 7, 7, 7, 7,
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7, 1, 1, 1, 8, 1, 1, 9,
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10, 10, 10, 10, 10, 10, 10, 10,
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10, 10, 10, 10, 10, 10, 10, 10,
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10, 10, 10, 10, 10, 10, 10, 10,
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10, 10, 1, 1, 11, 1, 5, 1,
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10, 10, 10, 10, 10, 10, 10, 10,
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10, 10, 10, 10, 10, 10, 10, 10,
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10, 10, 10, 10, 10, 10, 10, 10,
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10, 10, 1, 12, 0
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};
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static const short _deserialize_text_index_offsets[] = {
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0, 0, 11, 15, 17, 21, 23, 25,
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29, 31, 32, 36, 38, 43, 56, 69,
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69, 80, 93, 106, 119, 132, 145, 158,
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171, 184, 197, 0
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};
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static const char _deserialize_text_indicies[] = {
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0, 1, 1, 1, 1, 1, 2, 3,
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1, 1, 4, 5, 1, 6, 7, 8,
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9, 10, 1, 11, 12, 13, 14, 15,
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16, 17, 1, 18, 19, 20, 21, 22,
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23, 1, 24, 25, 26, 27, 22, 1,
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1, 21, 21, 28, 1, 29, 1, 1,
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1, 1, 1, 30, 31, 1, 32, 33,
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34, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 35, 36, 0, 1, 1,
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1, 1, 1, 2, 3, 1, 1, 4,
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28, 1, 29, 1, 1, 1, 37, 37,
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30, 31, 1, 32, 33, 38, 1, 1,
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39, 1, 1, 1, 1, 1, 1, 1,
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40, 41, 42, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 43, 44, 42,
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1, 1, 1, 1, 1, 14, 14, 1,
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1, 1, 43, 44, 38, 1, 1, 39,
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1, 1, 9, 9, 1, 1, 1, 40,
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41, 45, 1, 46, 1, 1, 1, 1,
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1, 1, 47, 1, 48, 49, 50, 1,
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51, 1, 1, 1, 1, 1, 1, 1,
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1, 52, 53, 50, 1, 51, 1, 1,
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1, 27, 27, 1, 1, 1, 52, 53,
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45, 1, 46, 1, 1, 1, 54, 54,
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1, 47, 1, 48, 49, 28, 1, 29,
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1, 55, 55, 55, 55, 30, 31, 55,
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32, 33, 0
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};
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static const char _deserialize_text_index_defaults[] = {
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0, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 0
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};
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static const char _deserialize_text_trans_cond_spaces[] = {
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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0
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};
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static const char _deserialize_text_cond_targs[] = {
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1, 0, 13, 17, 26, 3, 18, 21,
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18, 21, 5, 19, 20, 19, 20, 22,
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25, 8, 9, 12, 9, 12, 10, 11,
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23, 24, 23, 24, 14, 2, 6, 7,
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15, 16, 14, 15, 16, 17, 14, 4,
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15, 16, 14, 15, 16, 14, 2, 7,
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15, 16, 14, 2, 15, 16, 25, 26,
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0
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};
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static const char _deserialize_text_cond_actions[] = {
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0, 0, 1, 1, 1, 2, 2, 2,
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0, 0, 2, 2, 2, 0, 0, 2,
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2, 2, 2, 2, 0, 0, 3, 2,
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2, 2, 0, 0, 4, 5, 5, 5,
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4, 4, 0, 0, 0, 0, 6, 7,
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6, 6, 8, 8, 8, 9, 10, 10,
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9, 9, 11, 12, 11, 11, 0, 0,
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0
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};
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static const char _deserialize_text_eof_cond_spaces[] = {
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, 0
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};
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static const char _deserialize_text_eof_cond_key_offs[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0
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};
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static const char _deserialize_text_eof_cond_key_lens[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0
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};
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static const char _deserialize_text_eof_cond_keys[] = {
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0
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};
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static const char _deserialize_text_eof_actions[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 4, 0, 0,
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0, 4, 6, 8, 8, 6, 9, 11,
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11, 9, 4, 0
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};
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static const char _deserialize_text_nfa_targs[] = {
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0, 0
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};
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static const char _deserialize_text_nfa_offsets[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0
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};
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static const char _deserialize_text_nfa_push_actions[] = {
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0, 0
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};
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static const char _deserialize_text_nfa_pop_trans[] = {
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0, 0
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};
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static const int deserialize_text_start = 1;
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static const int deserialize_text_first_final = 13;
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static const int deserialize_text_error = 0;
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static const int deserialize_text_en_main = 1;
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static hb_bool_t
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_hb_buffer_deserialize_glyphs_text (hb_buffer_t *buffer,
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const char *buf,
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unsigned int buf_len,
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const char **end_ptr,
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hb_font_t *font)
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{
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const char *p = buf, *pe = buf + buf_len;
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/* Ensure we have positions. */
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(void) hb_buffer_get_glyph_positions (buffer, nullptr);
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while (p < pe && ISSPACE (*p))
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p++;
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if (p < pe && *p == (buffer->len ? '|' : '['))
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{
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*end_ptr = ++p;
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}
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const char *eof = pe, *tok = nullptr;
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int cs;
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hb_glyph_info_t info = {0};
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hb_glyph_position_t pos = {0};
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{
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cs = (int)deserialize_text_start;
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}
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{
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int _cpc;
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int _klen;const char * _cekeys;unsigned int _trans = 0;const unsigned char * _keys;const char * _inds; {
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if ( p == pe )
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goto _test_eof;
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if ( cs == 0 )
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goto _out;
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_resume: {
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_keys = ( _deserialize_text_trans_keys + ((cs<<1)));
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_inds = ( _deserialize_text_indicies + (_deserialize_text_index_offsets[cs]));
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if ( ( (*( p))) <= 124 && ( (*( p))) >= 9 )
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{
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int _ic = (int)_deserialize_text_char_class[(int)( (*( p))) - 9];
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if ( _ic <= (int)(*( _keys+1)) && _ic >= (int)(*( _keys)) )
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_trans = (unsigned int)(*( _inds + (int)( _ic - (int)(*( _keys)) ) ));
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else
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_trans = (unsigned int)_deserialize_text_index_defaults[cs];
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}
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else {
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_trans = (unsigned int)_deserialize_text_index_defaults[cs];
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}
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goto _match_cond;
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}
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_match_cond: {
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cs = (int)_deserialize_text_cond_targs[_trans];
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if ( _deserialize_text_cond_actions[_trans] == 0 )
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goto _again;
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switch ( _deserialize_text_cond_actions[_trans] ) {
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case 2: {
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{
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#line 51 "hb-buffer-deserialize-text.rl"
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tok = p;
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}
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break; }
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case 5: {
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{
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#line 55 "hb-buffer-deserialize-text.rl"
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if (!hb_font_glyph_from_string (font,
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tok, p - tok,
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&info.codepoint))
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return false;
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}
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break; }
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case 10: {
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{
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#line 62 "hb-buffer-deserialize-text.rl"
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if (!parse_uint (tok, p, &info.cluster )) return false; }
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break; }
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case 3: {
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{
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#line 63 "hb-buffer-deserialize-text.rl"
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if (!parse_int (tok, p, &pos.x_offset )) return false; }
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break; }
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case 12: {
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{
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#line 64 "hb-buffer-deserialize-text.rl"
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if (!parse_int (tok, p, &pos.y_offset )) return false; }
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break; }
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case 7: {
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{
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#line 65 "hb-buffer-deserialize-text.rl"
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if (!parse_int (tok, p, &pos.x_advance)) return false; }
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break; }
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case 1: {
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{
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#line 38 "hb-buffer-deserialize-text.rl"
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memset (&info, 0, sizeof (info));
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memset (&pos , 0, sizeof (pos ));
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}
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{
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#line 51 "hb-buffer-deserialize-text.rl"
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|
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tok = p;
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}
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break; }
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case 4: {
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{
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#line 55 "hb-buffer-deserialize-text.rl"
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|
|
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if (!hb_font_glyph_from_string (font,
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tok, p - tok,
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&info.codepoint))
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return false;
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}
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{
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#line 43 "hb-buffer-deserialize-text.rl"
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buffer->add_info (info);
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if (unlikely (!buffer->successful))
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return false;
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buffer->pos[buffer->len - 1] = pos;
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*end_ptr = p;
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}
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break; }
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case 9: {
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{
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#line 62 "hb-buffer-deserialize-text.rl"
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if (!parse_uint (tok, p, &info.cluster )) return false; }
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{
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#line 43 "hb-buffer-deserialize-text.rl"
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|
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buffer->add_info (info);
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if (unlikely (!buffer->successful))
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return false;
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buffer->pos[buffer->len - 1] = pos;
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*end_ptr = p;
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}
|
|
|
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break; }
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case 11: {
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{
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#line 64 "hb-buffer-deserialize-text.rl"
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if (!parse_int (tok, p, &pos.y_offset )) return false; }
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{
|
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#line 43 "hb-buffer-deserialize-text.rl"
|
|
|
|
buffer->add_info (info);
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if (unlikely (!buffer->successful))
|
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return false;
|
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buffer->pos[buffer->len - 1] = pos;
|
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*end_ptr = p;
|
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}
|
|
|
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break; }
|
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case 6: {
|
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{
|
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#line 65 "hb-buffer-deserialize-text.rl"
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if (!parse_int (tok, p, &pos.x_advance)) return false; }
|
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{
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#line 43 "hb-buffer-deserialize-text.rl"
|
|
|
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buffer->add_info (info);
|
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if (unlikely (!buffer->successful))
|
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return false;
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buffer->pos[buffer->len - 1] = pos;
|
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*end_ptr = p;
|
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}
|
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|
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break; }
|
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case 8: {
|
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{
|
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#line 66 "hb-buffer-deserialize-text.rl"
|
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if (!parse_int (tok, p, &pos.y_advance)) return false; }
|
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{
|
|
#line 43 "hb-buffer-deserialize-text.rl"
|
|
|
|
buffer->add_info (info);
|
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if (unlikely (!buffer->successful))
|
|
return false;
|
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buffer->pos[buffer->len - 1] = pos;
|
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*end_ptr = p;
|
|
}
|
|
|
|
break; }
|
|
}
|
|
|
|
|
|
}
|
|
_again: {
|
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if ( cs == 0 )
|
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goto _out;
|
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p += 1;
|
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if ( p != pe )
|
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goto _resume;
|
|
}
|
|
_test_eof: { {}
|
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if ( p == eof )
|
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{
|
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if ( _deserialize_text_eof_cond_spaces[cs] != -1 ) {
|
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_cekeys = ( _deserialize_text_eof_cond_keys + (_deserialize_text_eof_cond_key_offs[cs]));
|
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_klen = (int)_deserialize_text_eof_cond_key_lens[cs];
|
|
_cpc = 0;
|
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{
|
|
const char *_lower = _cekeys;
|
|
const char *_upper = _cekeys + _klen - 1;
|
|
const char *_mid;
|
|
while ( 1 ) {
|
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if ( _upper < _lower )
|
|
break;
|
|
|
|
_mid = _lower + ((_upper-_lower) >> 1);
|
|
if ( _cpc < (int)(*( _mid)) )
|
|
_upper = _mid - 1;
|
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else if ( _cpc > (int)(*( _mid)) )
|
|
_lower = _mid + 1;
|
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else {
|
|
goto _ok;
|
|
}
|
|
}
|
|
cs = 0;
|
|
goto _out;
|
|
}
|
|
_ok: {}
|
|
}
|
|
switch ( _deserialize_text_eof_actions[cs] ) {
|
|
case 4: {
|
|
{
|
|
#line 55 "hb-buffer-deserialize-text.rl"
|
|
|
|
if (!hb_font_glyph_from_string (font,
|
|
tok, p - tok,
|
|
&info.codepoint))
|
|
return false;
|
|
}
|
|
{
|
|
#line 43 "hb-buffer-deserialize-text.rl"
|
|
|
|
buffer->add_info (info);
|
|
if (unlikely (!buffer->successful))
|
|
return false;
|
|
buffer->pos[buffer->len - 1] = pos;
|
|
*end_ptr = p;
|
|
}
|
|
|
|
break; }
|
|
case 9: {
|
|
{
|
|
#line 62 "hb-buffer-deserialize-text.rl"
|
|
if (!parse_uint (tok, p, &info.cluster )) return false; }
|
|
{
|
|
#line 43 "hb-buffer-deserialize-text.rl"
|
|
|
|
buffer->add_info (info);
|
|
if (unlikely (!buffer->successful))
|
|
return false;
|
|
buffer->pos[buffer->len - 1] = pos;
|
|
*end_ptr = p;
|
|
}
|
|
|
|
break; }
|
|
case 11: {
|
|
{
|
|
#line 64 "hb-buffer-deserialize-text.rl"
|
|
if (!parse_int (tok, p, &pos.y_offset )) return false; }
|
|
{
|
|
#line 43 "hb-buffer-deserialize-text.rl"
|
|
|
|
buffer->add_info (info);
|
|
if (unlikely (!buffer->successful))
|
|
return false;
|
|
buffer->pos[buffer->len - 1] = pos;
|
|
*end_ptr = p;
|
|
}
|
|
|
|
break; }
|
|
case 6: {
|
|
{
|
|
#line 65 "hb-buffer-deserialize-text.rl"
|
|
if (!parse_int (tok, p, &pos.x_advance)) return false; }
|
|
{
|
|
#line 43 "hb-buffer-deserialize-text.rl"
|
|
|
|
buffer->add_info (info);
|
|
if (unlikely (!buffer->successful))
|
|
return false;
|
|
buffer->pos[buffer->len - 1] = pos;
|
|
*end_ptr = p;
|
|
}
|
|
|
|
break; }
|
|
case 8: {
|
|
{
|
|
#line 66 "hb-buffer-deserialize-text.rl"
|
|
if (!parse_int (tok, p, &pos.y_advance)) return false; }
|
|
{
|
|
#line 43 "hb-buffer-deserialize-text.rl"
|
|
|
|
buffer->add_info (info);
|
|
if (unlikely (!buffer->successful))
|
|
return false;
|
|
buffer->pos[buffer->len - 1] = pos;
|
|
*end_ptr = p;
|
|
}
|
|
|
|
break; }
|
|
}
|
|
}
|
|
|
|
}
|
|
_out: { {}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
*end_ptr = p;
|
|
|
|
return p == pe && *(p-1) != ']';
|
|
}
|
|
|
|
#endif /* HB_BUFFER_DESERIALIZE_TEXT_HH */
|