Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/tesseract/src/dict/dawg.h @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +0200
parents b50eed0cc0ef
children
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1 /******************************************************************************
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2 *
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3 * File: dawg.h
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4 * Description: Definition of a class that represents Directed Acyclic Word
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5 * Graph (DAWG), functions to build and manipulate the DAWG.
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6 * Author: Mark Seaman, SW Productivity
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7 *
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8 * (c) Copyright 1987, Hewlett-Packard Company.
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9 ** Licensed under the Apache License, Version 2.0 (the "License");
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10 ** you may not use this file except in compliance with the License.
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11 ** You may obtain a copy of the License at
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12 ** http://www.apache.org/licenses/LICENSE-2.0
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13 ** Unless required by applicable law or agreed to in writing, software
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14 ** distributed under the License is distributed on an "AS IS" BASIS,
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15 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 ** See the License for the specific language governing permissions and
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17 ** limitations under the License.
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18 *
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19 *****************************************************************************/
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21 #ifndef DICT_DAWG_H_
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22 #define DICT_DAWG_H_
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24 /*----------------------------------------------------------------------
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25 I n c l u d e s
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26 ----------------------------------------------------------------------*/
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28 #include <cinttypes> // for PRId64
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29 #include <functional> // for std::function
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30 #include <memory>
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31 #include "elst.h"
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32 #include "params.h"
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33 #include "ratngs.h"
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35 #ifndef __GNUC__
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36 # ifdef _WIN32
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37 # define NO_EDGE static_cast<int64_t>(0xffffffffffffffffi64)
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38 # endif /*_WIN32*/
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39 #else
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40 # define NO_EDGE static_cast<int64_t>(0xffffffffffffffffll)
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41 #endif /*__GNUC__*/
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43 namespace tesseract {
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45 class UNICHARSET;
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47 using EDGE_RECORD = uint64_t;
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48 using EDGE_ARRAY = EDGE_RECORD *;
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49 using EDGE_REF = int64_t;
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50 using NODE_REF = int64_t;
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51 using NODE_MAP = EDGE_REF *;
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53 struct NodeChild {
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54 UNICHAR_ID unichar_id;
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55 EDGE_REF edge_ref;
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56 NodeChild(UNICHAR_ID id, EDGE_REF ref) : unichar_id(id), edge_ref(ref) {}
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57 NodeChild() : unichar_id(INVALID_UNICHAR_ID), edge_ref(NO_EDGE) {}
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58 };
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60 using NodeChildVector = std::vector<NodeChild>;
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61 using SuccessorList = std::vector<int>;
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62 using SuccessorListsVector = std::vector<SuccessorList *>;
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64 enum DawgType {
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65 DAWG_TYPE_PUNCTUATION,
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66 DAWG_TYPE_WORD,
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67 DAWG_TYPE_NUMBER,
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68 DAWG_TYPE_PATTERN,
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70 DAWG_TYPE_COUNT // number of enum entries
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71 };
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73 /*----------------------------------------------------------------------
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74 C o n s t a n t s
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75 ----------------------------------------------------------------------*/
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77 #define FORWARD_EDGE static_cast<int32_t>(0)
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78 #define BACKWARD_EDGE static_cast<int32_t>(1)
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79 #define MAX_NODE_EDGES_DISPLAY static_cast<int64_t>(100)
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80 #define MARKER_FLAG static_cast<int64_t>(1)
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81 #define DIRECTION_FLAG static_cast<int64_t>(2)
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82 #define WERD_END_FLAG static_cast<int64_t>(4)
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83 #define LETTER_START_BIT 0
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84 #define NUM_FLAG_BITS 3
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85 #define REFFORMAT "%" PRId64
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86
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87 static const bool kDawgSuccessors[DAWG_TYPE_COUNT][DAWG_TYPE_COUNT] = {
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88 {false, true, true, false}, // for DAWG_TYPE_PUNCTUATION
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89 {true, false, false, false}, // for DAWG_TYPE_WORD
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90 {true, false, false, false}, // for DAWG_TYPE_NUMBER
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91 {false, false, false, false}, // for DAWG_TYPE_PATTERN
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92 };
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94 static const char kWildcard[] = "*";
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95
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96 /*----------------------------------------------------------------------
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97 C l a s s e s a n d S t r u c t s
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98 ----------------------------------------------------------------------*/
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99 //
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100 /// Abstract class (an interface) that declares methods needed by the
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101 /// various tesseract classes to operate on SquishedDawg and Trie objects.
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102 ///
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103 /// This class initializes all the edge masks (since their usage by
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104 /// SquishedDawg and Trie is identical) and implements simple accessors
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105 /// for each of the fields encoded in an EDGE_RECORD.
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106 /// This class also implements word_in_dawg() and check_for_words()
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107 /// (since they use only the public methods of SquishedDawg and Trie
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108 /// classes that are inherited from the Dawg base class).
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109 //
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110 class TESS_API Dawg {
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111 public:
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112 /// Magic number to determine endianness when reading the Dawg from file.
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113 static const int16_t kDawgMagicNumber = 42;
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114 /// A special unichar id that indicates that any appropriate pattern
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115 /// (e.g.dictionary word, 0-9 digit, etc) can be inserted instead
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116 /// Used for expressing patterns in punctuation and number Dawgs.
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117 static const UNICHAR_ID kPatternUnicharID = 0;
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118
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119 inline DawgType type() const {
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120 return type_;
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121 }
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122 inline const std::string &lang() const {
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123 return lang_;
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124 }
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125 inline PermuterType permuter() const {
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126 return perm_;
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127 }
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128
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129 virtual ~Dawg();
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130
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131 /// Returns true if the given word is in the Dawg.
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132 bool word_in_dawg(const WERD_CHOICE &word) const;
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133
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134 // Returns true if the given word prefix is not contraindicated by the dawg.
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135 // If requires_complete is true, then the exact complete word must be present.
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136 bool prefix_in_dawg(const WERD_CHOICE &prefix, bool requires_complete) const;
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137
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138 /// Checks the Dawg for the words that are listed in the requested file.
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139 /// Returns the number of words in the given file missing from the Dawg.
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140 int check_for_words(const char *filename, const UNICHARSET &unicharset,
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141 bool enable_wildcard) const;
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142
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143 // For each word in the Dawg, call the given (permanent) callback with the
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144 // text (UTF-8) version of the word.
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145 void iterate_words(const UNICHARSET &unicharset,
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146 std::function<void(const WERD_CHOICE *)> cb) const;
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147
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148 // For each word in the Dawg, call the given (permanent) callback with the
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149 // text (UTF-8) version of the word.
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150 void iterate_words(const UNICHARSET &unicharset,
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151 const std::function<void(const char *)> &cb) const;
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152
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153 // Pure virtual function that should be implemented by the derived classes.
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154
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155 /// Returns the edge that corresponds to the letter out of this node.
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156 virtual EDGE_REF edge_char_of(NODE_REF node, UNICHAR_ID unichar_id,
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157 bool word_end) const = 0;
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158
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159 /// Fills the given NodeChildVector with all the unichar ids (and the
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160 /// corresponding EDGE_REFs) for which there is an edge out of this node.
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161 virtual void unichar_ids_of(NODE_REF node, NodeChildVector *vec,
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162 bool word_end) const = 0;
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163
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164 /// Returns the next node visited by following the edge
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165 /// indicated by the given EDGE_REF.
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166 virtual NODE_REF next_node(EDGE_REF edge_ref) const = 0;
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167
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168 /// Returns true if the edge indicated by the given EDGE_REF
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169 /// marks the end of a word.
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170 virtual bool end_of_word(EDGE_REF edge_ref) const = 0;
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171
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172 /// Returns UNICHAR_ID stored in the edge indicated by the given EDGE_REF.
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173 virtual UNICHAR_ID edge_letter(EDGE_REF edge_ref) const = 0;
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174
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175 /// Prints the contents of the node indicated by the given NODE_REF.
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176 /// At most max_num_edges will be printed.
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177 virtual void print_node(NODE_REF node, int max_num_edges) const = 0;
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178
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179 /// Fills vec with unichar ids that represent the character classes
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180 /// of the given unichar_id.
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181 virtual void unichar_id_to_patterns(UNICHAR_ID unichar_id,
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182 const UNICHARSET &unicharset,
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183 std::vector<UNICHAR_ID> *vec) const {
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184 (void)unichar_id;
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185 (void)unicharset;
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186 (void)vec;
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187 }
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188
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189 /// Returns the given EDGE_REF if the EDGE_RECORD that it points to has
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190 /// a self loop and the given unichar_id matches the unichar_id stored in the
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191 /// EDGE_RECORD, returns NO_EDGE otherwise.
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192 virtual EDGE_REF pattern_loop_edge(EDGE_REF edge_ref, UNICHAR_ID unichar_id,
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193 bool word_end) const {
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194 (void)edge_ref;
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195 (void)unichar_id;
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196 (void)word_end;
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197 return false;
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198 }
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199
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diff changeset
200 protected:
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diff changeset
201 Dawg(DawgType type, const std::string &lang, PermuterType perm,
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diff changeset
202 int debug_level)
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203 : lang_(lang),
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204 type_(type),
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205 perm_(perm),
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206 unicharset_size_(0),
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207 debug_level_(debug_level) {}
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208
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209 /// Returns the next node visited by following this edge.
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210 inline NODE_REF next_node_from_edge_rec(const EDGE_RECORD &edge_rec) const {
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211 return ((edge_rec & next_node_mask_) >> next_node_start_bit_);
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212 }
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213 /// Returns the marker flag of this edge.
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214 inline bool marker_flag_from_edge_rec(const EDGE_RECORD &edge_rec) const {
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215 return (edge_rec & (MARKER_FLAG << flag_start_bit_)) != 0;
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216 }
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217 /// Returns the direction flag of this edge.
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218 inline int direction_from_edge_rec(const EDGE_RECORD &edge_rec) const {
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219 return ((edge_rec & (DIRECTION_FLAG << flag_start_bit_))) ? BACKWARD_EDGE
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220 : FORWARD_EDGE;
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221 }
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222 /// Returns true if this edge marks the end of a word.
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223 inline bool end_of_word_from_edge_rec(const EDGE_RECORD &edge_rec) const {
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224 return (edge_rec & (WERD_END_FLAG << flag_start_bit_)) != 0;
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225 }
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226 /// Returns UNICHAR_ID recorded in this edge.
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227 inline UNICHAR_ID unichar_id_from_edge_rec(
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228 const EDGE_RECORD &edge_rec) const {
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229 return ((edge_rec & letter_mask_) >> LETTER_START_BIT);
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230 }
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231 /// Sets the next node link for this edge in the Dawg.
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232 inline void set_next_node_in_edge_rec(EDGE_RECORD *edge_rec, EDGE_REF value) {
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233 *edge_rec &= (~next_node_mask_);
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234 *edge_rec |= ((value << next_node_start_bit_) & next_node_mask_);
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235 }
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236 /// Sets this edge record to be the last one in a sequence of edges.
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237 inline void set_marker_flag_in_edge_rec(EDGE_RECORD *edge_rec) {
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238 *edge_rec |= (MARKER_FLAG << flag_start_bit_);
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239 }
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240 /// Sequentially compares the given values of unichar ID, next node
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241 /// and word end marker with the values in the given EDGE_RECORD.
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242 /// Returns: 1 if at any step the given input value exceeds
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243 /// that of edge_rec (and all the values already
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244 /// checked are the same)
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245 /// 0 if edge_rec_match() returns true
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246 /// -1 otherwise
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247 inline int given_greater_than_edge_rec(NODE_REF next_node, bool word_end,
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248 UNICHAR_ID unichar_id,
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249 const EDGE_RECORD &edge_rec) const {
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250 UNICHAR_ID curr_unichar_id = unichar_id_from_edge_rec(edge_rec);
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251 NODE_REF curr_next_node = next_node_from_edge_rec(edge_rec);
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252 bool curr_word_end = end_of_word_from_edge_rec(edge_rec);
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diff changeset
253 if (edge_rec_match(next_node, word_end, unichar_id, curr_next_node,
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diff changeset
254 curr_word_end, curr_unichar_id)) {
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255 return 0;
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256 }
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diff changeset
257 if (unichar_id > curr_unichar_id) {
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258 return 1;
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259 }
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diff changeset
260 if (unichar_id == curr_unichar_id) {
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diff changeset
261 if (next_node > curr_next_node) {
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262 return 1;
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263 }
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diff changeset
264 if (next_node == curr_next_node) {
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diff changeset
265 if (word_end > curr_word_end) {
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266 return 1;
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267 }
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268 }
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diff changeset
269 }
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diff changeset
270 return -1;
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271 }
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parents:
diff changeset
272 /// Returns true if all the values are equal (any value matches
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diff changeset
273 /// next_node if next_node == NO_EDGE, any value matches word_end
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diff changeset
274 /// if word_end is false).
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diff changeset
275 inline bool edge_rec_match(NODE_REF next_node, bool word_end,
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diff changeset
276 UNICHAR_ID unichar_id, NODE_REF other_next_node,
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diff changeset
277 bool other_word_end,
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diff changeset
278 UNICHAR_ID other_unichar_id) const {
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279 return ((unichar_id == other_unichar_id) &&
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280 (next_node == NO_EDGE || next_node == other_next_node) &&
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diff changeset
281 (!word_end || (word_end == other_word_end)));
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282 }
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283
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diff changeset
284 /// Sets unicharset_size_.
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diff changeset
285 /// Initializes the values of various masks from unicharset_size_.
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parents:
diff changeset
286 void init(int unicharset_size);
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parents:
diff changeset
287
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diff changeset
288 /// Matches all of the words that are represented by this string.
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diff changeset
289 /// If wildcard is set to something other than INVALID_UNICHAR_ID,
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parents:
diff changeset
290 /// the *'s in this string are interpreted as wildcards.
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parents:
diff changeset
291 /// WERD_CHOICE param is not passed by const so that wildcard searches
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parents:
diff changeset
292 /// can modify it and work without having to copy WERD_CHOICEs.
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diff changeset
293 bool match_words(WERD_CHOICE *word, uint32_t index, NODE_REF node,
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diff changeset
294 UNICHAR_ID wildcard) const;
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295
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296 // Recursively iterate over all words in a dawg (see public iterate_words).
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297 void iterate_words_rec(
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298 const WERD_CHOICE &word_so_far, NODE_REF to_explore,
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299 const std::function<void(const WERD_CHOICE *)> &cb) const;
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300
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301 // Member Variables.
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302 std::string lang_;
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303 DawgType type_;
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304 /// Permuter code that should be used if the word is found in this Dawg.
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305 PermuterType perm_;
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306 // Variables to construct various edge masks. Formerly:
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307 // #define NEXT_EDGE_MASK (int64_t) 0xfffffff800000000i64
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308 // #define FLAGS_MASK (int64_t) 0x0000000700000000i64
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309 // #define LETTER_MASK (int64_t) 0x00000000ffffffffi64
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310 uint64_t next_node_mask_ = 0;
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311 uint64_t flags_mask_ = 0;
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312 uint64_t letter_mask_ = 0;
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313 int unicharset_size_;
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314 int flag_start_bit_ = 0;
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315 int next_node_start_bit_ = 0;
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316 // Level of debug statements to print to stdout.
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317 int debug_level_;
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318 };
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319
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320 //
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321 // DawgPosition keeps track of where we are in the primary dawg we're searching
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322 // as well as where we may be in the "punctuation dawg" which may provide
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323 // surrounding context.
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324 //
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325 // Example:
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326 // punctuation dawg -- space is the "pattern character"
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327 // " " // no punctuation
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328 // "' '" // leading and trailing apostrophes
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329 // " '" // trailing apostrophe
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330 // word dawg:
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331 // "cat"
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332 // "cab"
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333 // "cat's"
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334 //
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335 // DawgPosition(dawg_index, dawg_ref, punc_index, punc_ref, rtp)
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336 //
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337 // DawgPosition(-1, NO_EDGE, p, pe, false)
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338 // We're in the punctuation dawg, no other dawg has been started.
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339 // (1) If there's a pattern edge as a punc dawg child of us,
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340 // for each punc-following dawg starting with ch, produce:
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341 // Result: DawgPosition(k, w, p', false)
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342 // (2) If there's a valid continuation in the punc dawg, produce:
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343 // Result: DawgPosition(-k, NO_EDGE, p', false)
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344 //
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345 // DawgPosition(k, w, -1, NO_EDGE, false)
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346 // We're in dawg k. Going back to punctuation dawg is not an option.
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347 // Follow ch in dawg k.
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348 //
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349 // DawgPosition(k, w, p, pe, false)
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350 // We're in dawg k. Continue in dawg k and/or go back to the punc dawg.
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351 // If ending, check that the punctuation dawg is also ok to end here.
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352 //
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353 // DawgPosition(k, w, p, pe true)
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354 // We're back in the punctuation dawg. Continuing there is the only option.
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355 struct DawgPosition {
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356 DawgPosition() = default;
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357 DawgPosition(int dawg_idx, EDGE_REF dawgref, int punc_idx, EDGE_REF puncref,
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358 bool backtopunc)
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359 : dawg_ref(dawgref),
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360 punc_ref(puncref),
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361 dawg_index(dawg_idx),
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362 punc_index(punc_idx),
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363 back_to_punc(backtopunc) {}
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364 bool operator==(const DawgPosition &other) const {
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365 return dawg_index == other.dawg_index && dawg_ref == other.dawg_ref &&
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366 punc_index == other.punc_index && punc_ref == other.punc_ref &&
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367 back_to_punc == other.back_to_punc;
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368 }
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369
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370 EDGE_REF dawg_ref = NO_EDGE;
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371 EDGE_REF punc_ref = NO_EDGE;
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372 int8_t dawg_index = -1;
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373 int8_t punc_index = -1;
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374 // Have we returned to the punc dawg at the end of the word?
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375 bool back_to_punc = false;
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376 };
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377
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378 class DawgPositionVector : public std::vector<DawgPosition> {
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379 public:
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380 /// Adds an entry for the given dawg_index with the given node to the vec.
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381 /// Returns false if the same entry already exists in the vector,
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382 /// true otherwise.
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383 inline bool add_unique(const DawgPosition &new_pos, bool debug,
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384 const char *debug_msg) {
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385 for (auto &&position : *this) {
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386 if (position == new_pos) {
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387 return false;
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388 }
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389 }
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390 push_back(new_pos);
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391 if (debug) {
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diff changeset
392 tprintf("%s[%d, " REFFORMAT "] [punc: " REFFORMAT "%s]\n", debug_msg,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
393 new_pos.dawg_index, new_pos.dawg_ref, new_pos.punc_ref,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
394 new_pos.back_to_punc ? " returned" : "");
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
395 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
396 return true;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
397 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
398 };
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
399
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
400 //
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
401 /// Concrete class that can operate on a compacted (squished) Dawg (read,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
402 /// search and write to file). This class is read-only in the sense that
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
403 /// new words cannot be added to an instance of SquishedDawg.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
404 /// The underlying representation of the nodes and edges in SquishedDawg
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
405 /// is stored as a contiguous EDGE_ARRAY (read from file or given as an
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
406 /// argument to the constructor).
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
407 //
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
408 class TESS_API SquishedDawg : public Dawg {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
409 public:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
410 SquishedDawg(DawgType type, const std::string &lang, PermuterType perm,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
411 int debug_level)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
412 : Dawg(type, lang, perm, debug_level) {}
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
413 SquishedDawg(const char *filename, DawgType type, const std::string &lang,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
414 PermuterType perm, int debug_level)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
415 : Dawg(type, lang, perm, debug_level) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
416 TFile file;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
417 ASSERT_HOST(file.Open(filename, nullptr));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
418 ASSERT_HOST(read_squished_dawg(&file));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
419 num_forward_edges_in_node0 = num_forward_edges(0);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
420 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
421 SquishedDawg(EDGE_ARRAY edges, int num_edges, DawgType type,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
422 const std::string &lang, PermuterType perm, int unicharset_size,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
423 int debug_level)
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
424 : Dawg(type, lang, perm, debug_level),
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
425 edges_(edges),
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
426 num_edges_(num_edges) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
427 init(unicharset_size);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
428 num_forward_edges_in_node0 = num_forward_edges(0);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
429 if (debug_level > 3) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
430 print_all("SquishedDawg:");
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
431 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
432 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
433 ~SquishedDawg() override;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
434
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
435 // Loads using the given TFile. Returns false on failure.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
436 bool Load(TFile *fp) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
437 if (!read_squished_dawg(fp)) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
438 return false;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
439 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
440 num_forward_edges_in_node0 = num_forward_edges(0);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
441 return true;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
442 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
443
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
444 int NumEdges() {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
445 return num_edges_;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
446 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
447
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
448 /// Returns the edge that corresponds to the letter out of this node.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
449 EDGE_REF edge_char_of(NODE_REF node, UNICHAR_ID unichar_id,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
450 bool word_end) const override;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
451
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
452 /// Fills the given NodeChildVector with all the unichar ids (and the
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
453 /// corresponding EDGE_REFs) for which there is an edge out of this node.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
454 void unichar_ids_of(NODE_REF node, NodeChildVector *vec,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
455 bool word_end) const override {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
456 EDGE_REF edge = node;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
457 if (!edge_occupied(edge) || edge == NO_EDGE) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
458 return;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
459 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
460 assert(forward_edge(edge)); // we don't expect any backward edges to
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
461 do { // be present when this function is called
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
462 if (!word_end || end_of_word_from_edge_rec(edges_[edge])) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
463 vec->push_back(NodeChild(unichar_id_from_edge_rec(edges_[edge]), edge));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
464 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
465 } while (!last_edge(edge++));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
466 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
467
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
468 /// Returns the next node visited by following the edge
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
469 /// indicated by the given EDGE_REF.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
470 NODE_REF next_node(EDGE_REF edge) const override {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
471 return next_node_from_edge_rec((edges_[edge]));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
472 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
473
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
474 /// Returns true if the edge indicated by the given EDGE_REF
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
475 /// marks the end of a word.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
476 bool end_of_word(EDGE_REF edge_ref) const override {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
477 return end_of_word_from_edge_rec((edges_[edge_ref]));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
478 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
479
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
480 /// Returns UNICHAR_ID stored in the edge indicated by the given EDGE_REF.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
481 UNICHAR_ID edge_letter(EDGE_REF edge_ref) const override {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
482 return unichar_id_from_edge_rec((edges_[edge_ref]));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
483 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
484
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
485 /// Prints the contents of the node indicated by the given NODE_REF.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
486 /// At most max_num_edges will be printed.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
487 void print_node(NODE_REF node, int max_num_edges) const override;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
488
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
489 /// Writes the squished/reduced Dawg to a file.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
490 bool write_squished_dawg(TFile *file);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
491
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
492 /// Opens the file with the given filename and writes the
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
493 /// squished/reduced Dawg to the file.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
494 bool write_squished_dawg(const char *filename) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
495 TFile file;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
496 file.OpenWrite(nullptr);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
497 if (!this->write_squished_dawg(&file)) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
498 tprintf("Error serializing %s\n", filename);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
499 return false;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
500 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
501 if (!file.CloseWrite(filename, nullptr)) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
502 tprintf("Error writing file %s\n", filename);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
503 return false;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
504 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
505 return true;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
506 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
507
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
508 private:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
509 /// Sets the next node link for this edge.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
510 inline void set_next_node(EDGE_REF edge_ref, EDGE_REF value) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
511 set_next_node_in_edge_rec(&(edges_[edge_ref]), value);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
512 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
513 /// Sets the edge to be empty.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
514 inline void set_empty_edge(EDGE_REF edge_ref) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
515 (edges_[edge_ref] = next_node_mask_);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
516 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
517 /// Goes through all the edges and clears each one out.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
518 inline void clear_all_edges() {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
519 for (int edge = 0; edge < num_edges_; edge++) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
520 set_empty_edge(edge);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
521 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
522 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
523 /// Clears the last flag of this edge.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
524 inline void clear_marker_flag(EDGE_REF edge_ref) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
525 (edges_[edge_ref] &= ~(MARKER_FLAG << flag_start_bit_));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
526 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
527 /// Returns true if this edge is in the forward direction.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
528 inline bool forward_edge(EDGE_REF edge_ref) const {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
529 return (edge_occupied(edge_ref) &&
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
530 (FORWARD_EDGE == direction_from_edge_rec(edges_[edge_ref])));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
531 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
532 /// Returns true if this edge is in the backward direction.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
533 inline bool backward_edge(EDGE_REF edge_ref) const {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
534 return (edge_occupied(edge_ref) &&
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
535 (BACKWARD_EDGE == direction_from_edge_rec(edges_[edge_ref])));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
536 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
537 /// Returns true if the edge spot in this location is occupied.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
538 inline bool edge_occupied(EDGE_REF edge_ref) const {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
539 return (edges_[edge_ref] != next_node_mask_);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
540 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
541 /// Returns true if this edge is the last edge in a sequence.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
542 inline bool last_edge(EDGE_REF edge_ref) const {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
543 return (edges_[edge_ref] & (MARKER_FLAG << flag_start_bit_)) != 0;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
544 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
545
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
546 /// Counts and returns the number of forward edges in this node.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
547 int32_t num_forward_edges(NODE_REF node) const;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
548
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
549 /// Reads SquishedDawg from a file.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
550 bool read_squished_dawg(TFile *file);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
551
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
552 /// Prints the contents of an edge indicated by the given EDGE_REF.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
553 void print_edge(EDGE_REF edge) const;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
554
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
555 /// Prints the contents of the SquishedDawg.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
556 void print_all(const char *msg) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
557 tprintf("\n__________________________\n%s\n", msg);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
558 for (int i = 0; i < num_edges_; ++i) {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
559 print_edge(i);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
560 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
561 tprintf("__________________________\n");
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
562 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
563 /// Constructs a mapping from the memory node indices to disk node indices.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
564 std::unique_ptr<EDGE_REF[]> build_node_map(int32_t *num_nodes) const;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
565
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
566 // Member variables.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
567 EDGE_ARRAY edges_ = nullptr;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
568 int32_t num_edges_ = 0;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
569 int num_forward_edges_in_node0 = 0;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
570 };
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
571
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
572 } // namespace tesseract
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
573
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
574 #endif // DICT_DAWG_H_