Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/tesseract/src/training/wordlist2dawg.cpp @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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children
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2
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1 ///////////////////////////////////////////////////////////////////////
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2 // File: wordlist2dawg.cpp
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3 // Description: Program to generate a DAWG from a word list file
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4 // Author: Thomas Kielbus
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5 //
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6 // (C) Copyright 2006, Google Inc.
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7 // Licensed under the Apache License, Version 2.0 (the "License");
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8 // you may not use this file except in compliance with the License.
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9 // You may obtain a copy of the License at
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10 // http://www.apache.org/licenses/LICENSE-2.0
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11 // Unless required by applicable law or agreed to in writing, software
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12 // distributed under the License is distributed on an "AS IS" BASIS,
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13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 // See the License for the specific language governing permissions and
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15 // limitations under the License.
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16 //
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17 ///////////////////////////////////////////////////////////////////////
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18
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19 // Given a file that contains a list of words (one word per line) this program
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20 // generates the corresponding squished DAWG file.
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21
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22 #include "classify.h"
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23 #include "commontraining.h" // CheckSharedLibraryVersion
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24 #include "dawg.h"
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25 #include "dict.h"
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26 #include "helpers.h"
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27 #include "serialis.h"
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28 #include "trie.h"
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29 #include "unicharset.h"
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30
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31 using namespace tesseract;
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32
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33 int main(int argc, char **argv) {
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34 tesseract::CheckSharedLibraryVersion();
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35
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36 if (argc > 1 && (!strcmp(argv[1], "-v") || !strcmp(argv[1], "--version"))) {
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37 printf("%s\n", tesseract::TessBaseAPI::Version());
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38 return EXIT_SUCCESS;
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39 } else if (!(argc == 4 || (argc == 5 && strcmp(argv[1], "-t") == 0) ||
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40 (argc == 6 && strcmp(argv[1], "-r") == 0))) {
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41 printf(
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42 "Usage: %s -v | --version |\n"
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43 " %s [-t | -r [reverse policy] ] word_list_file"
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44 " dawg_file unicharset_file\n",
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45 argv[0], argv[0]);
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46 return EXIT_FAILURE;
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47 }
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48 tesseract::Classify classify;
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49 int argv_index = 0;
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50 if (argc == 5) {
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51 ++argv_index;
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52 }
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53 tesseract::Trie::RTLReversePolicy reverse_policy = tesseract::Trie::RRP_DO_NO_REVERSE;
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54 if (argc == 6) {
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55 ++argv_index;
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56 int tmp_int;
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57 sscanf(argv[++argv_index], "%d", &tmp_int);
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58 reverse_policy = static_cast<tesseract::Trie::RTLReversePolicy>(tmp_int);
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59 tprintf("Set reverse_policy to %s\n", tesseract::Trie::get_reverse_policy_name(reverse_policy));
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60 }
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61 const char *wordlist_filename = argv[++argv_index];
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62 const char *dawg_filename = argv[++argv_index];
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63 const char *unicharset_file = argv[++argv_index];
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64 tprintf("Loading unicharset from '%s'\n", unicharset_file);
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65 if (!classify.getDict().getUnicharset().load_from_file(unicharset_file)) {
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66 tprintf("Failed to load unicharset from '%s'\n", unicharset_file);
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67 return EXIT_FAILURE;
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68 }
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69 const UNICHARSET &unicharset = classify.getDict().getUnicharset();
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70 if (argc == 4 || argc == 6) {
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71 tesseract::Trie trie(
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72 // the first 3 arguments are not used in this case
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73 tesseract::DAWG_TYPE_WORD, "", SYSTEM_DAWG_PERM, unicharset.size(),
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74 classify.getDict().dawg_debug_level);
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75 tprintf("Reading word list from '%s'\n", wordlist_filename);
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76 if (!trie.read_and_add_word_list(wordlist_filename, unicharset, reverse_policy)) {
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77 tprintf("Failed to add word list from '%s'\n", wordlist_filename);
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78 return EXIT_FAILURE;
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79 }
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80 tprintf("Reducing Trie to SquishedDawg\n");
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81 std::unique_ptr<tesseract::SquishedDawg> dawg(trie.trie_to_dawg());
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82 if (dawg && dawg->NumEdges() > 0) {
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83 tprintf("Writing squished DAWG to '%s'\n", dawg_filename);
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84 dawg->write_squished_dawg(dawg_filename);
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85 } else {
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86 tprintf("Dawg is empty, skip producing the output file\n");
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87 }
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88 } else if (argc == 5) {
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89 tprintf("Loading dawg DAWG from '%s'\n", dawg_filename);
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90 tesseract::SquishedDawg words(dawg_filename,
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91 // these 3 arguments are not used in this case
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92 tesseract::DAWG_TYPE_WORD, "", SYSTEM_DAWG_PERM,
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93 classify.getDict().dawg_debug_level);
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94 tprintf("Checking word list from '%s'\n", wordlist_filename);
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
95 words.check_for_words(wordlist_filename, unicharset, 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
96 } else { // should never get here
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
97 tprintf("Invalid command-line options\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
98 return EXIT_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
99 }
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
100 return EXIT_SUCCESS;
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
101 }