Tesseract  3.02
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hyphen.cpp
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1 /* -*-C-*-
2  ********************************************************************************
3  * File: hyphen.c (Formerly hyphen.c)
4  * Description: Functions for maintaining information about hyphenated words.
5  * Author: Mark Seaman, OCR Technology
6  * Created: Fri Oct 16 14:37:00 1987
7  * Modified: Thu Mar 14 11:09:43 1991 (Mark Seaman) marks@hpgrlt
8  * Language: C
9  * Package: N/A
10  * Status: Reusable Software Component
11  *
12  * (c) Copyright 1987, Hewlett-Packard Company.
13  ** Licensed under the Apache License, Version 2.0 (the "License");
14  ** you may not use this file except in compliance with the License.
15  ** You may obtain a copy of the License at
16  ** http://www.apache.org/licenses/LICENSE-2.0
17  ** Unless required by applicable law or agreed to in writing, software
18  ** distributed under the License is distributed on an "AS IS" BASIS,
19  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20  ** See the License for the specific language governing permissions and
21  ** limitations under the License.
22  *
23  *********************************************************************************/
24 
25 #include "dict.h"
26 
27 namespace tesseract {
28 
29 // Unless the previous word was the last one on the line, and the current
30 // one is not (thus it is the first one on the line), erase hyphen_word_,
31 // clear hyphen_active_dawgs_, hyphen_constraints_ update last_word_on_line_.
32 void Dict::reset_hyphen_vars(bool last_word_on_line) {
33  if (!(last_word_on_line_ == true && last_word_on_line == false)) {
34  if (hyphen_word_ != NULL) {
35  delete hyphen_word_;
36  hyphen_word_ = NULL;
37  hyphen_active_dawgs_.clear();
38  hyphen_constraints_.clear();
39  }
40  }
41  if (hyphen_debug_level) {
42  tprintf("reset_hyphen_vars: last_word_on_line %d -> %d\n",
43  last_word_on_line_, last_word_on_line);
44  }
45  last_word_on_line_ = last_word_on_line;
46 }
47 
48 // Update hyphen_word_, and copy the given DawgInfoVectors into
49 // hyphen_active_dawgs_ and hyphen_constraints_.
51  const DawgInfoVector &active_dawgs,
52  const DawgInfoVector &constraints) {
53  if (hyphen_word_ == NULL) {
54  hyphen_word_ = new WERD_CHOICE(word.unicharset());
55  hyphen_word_->make_bad();
56  }
57  if (hyphen_word_->rating() > word.rating()) {
58  *hyphen_word_ = word;
59  // Remove the last unichar id as it is a hyphen, and remove
60  // any unichar_string/lengths that are present.
61  hyphen_word_->remove_last_unichar_id();
62  hyphen_active_dawgs_ = active_dawgs;
63  hyphen_constraints_ = constraints;
64  }
65  if (hyphen_debug_level) {
66  hyphen_word_->print("set_hyphen_word: ");
67  }
68 }
69 } // namespace tesseract