tesseract/dict/hyphen.cpp
2012-02-02 02:56:18 +00:00

71 lines
2.7 KiB
C++

/* -*-C-*-
********************************************************************************
* File: hyphen.c (Formerly hyphen.c)
* Description: Functions for maintaining information about hyphenated words.
* Author: Mark Seaman, OCR Technology
* Created: Fri Oct 16 14:37:00 1987
* Modified: Thu Mar 14 11:09:43 1991 (Mark Seaman) marks@hpgrlt
* Language: C
* Package: N/A
* Status: Reusable Software Component
*
* (c) Copyright 1987, Hewlett-Packard Company.
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
** http://www.apache.org/licenses/LICENSE-2.0
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*
*********************************************************************************/
#include "dict.h"
namespace tesseract {
// Unless the previous word was the last one on the line, and the current
// one is not (thus it is the first one on the line), erase hyphen_word_,
// clear hyphen_active_dawgs_, hyphen_constraints_ update last_word_on_line_.
void Dict::reset_hyphen_vars(bool last_word_on_line) {
if (!(last_word_on_line_ == true && last_word_on_line == false)) {
if (hyphen_word_ != NULL) {
delete hyphen_word_;
hyphen_word_ = NULL;
hyphen_active_dawgs_.clear();
hyphen_constraints_.clear();
}
}
if (hyphen_debug_level) {
tprintf("reset_hyphen_vars: last_word_on_line %d -> %d\n",
last_word_on_line_, last_word_on_line);
}
last_word_on_line_ = last_word_on_line;
}
// Update hyphen_word_, and copy the given DawgInfoVectors into
// hyphen_active_dawgs_ and hyphen_constraints_.
void Dict::set_hyphen_word(const WERD_CHOICE &word,
const DawgInfoVector &active_dawgs,
const DawgInfoVector &constraints) {
if (hyphen_word_ == NULL) {
hyphen_word_ = new WERD_CHOICE(word.unicharset());
hyphen_word_->make_bad();
}
if (hyphen_word_->rating() > word.rating()) {
*hyphen_word_ = word;
// Remove the last unichar id as it is a hyphen, and remove
// any unichar_string/lengths that are present.
hyphen_word_->remove_last_unichar_id();
hyphen_word_->depopulate_unichars();
hyphen_active_dawgs_ = active_dawgs;
hyphen_constraints_ = constraints;
}
if (hyphen_debug_level) {
hyphen_word_->print("set_hyphen_word: ");
}
}
} // namespace tesseract