annotate mupdf-source/thirdparty/tesseract/src/dict/dawg_cache.h @ 46:7ee69f120f19 default tip

>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
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1 ///////////////////////////////////////////////////////////////////////
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2 // File: dawg_cache.h
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3 // Description: A class that knows about loading and caching dawgs.
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4 // Author: David Eger
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5 // Created: Fri Jan 27 12:08:00 PST 2012
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6 //
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7 // (C) Copyright 2012, Google Inc.
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8 // Licensed under the Apache License, Version 2.0 (the "License");
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9 // you may not use this file except in compliance with the License.
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10 // You may obtain a copy of the License at
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11 // http://www.apache.org/licenses/LICENSE-2.0
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12 // Unless required by applicable law or agreed to in writing, software
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13 // distributed under the License is distributed on an "AS IS" BASIS,
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14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 // See the License for the specific language governing permissions and
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16 // limitations under the License.
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17 //
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18 ///////////////////////////////////////////////////////////////////////
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20 #ifndef TESSERACT_DICT_DAWG_CACHE_H_
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21 #define TESSERACT_DICT_DAWG_CACHE_H_
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23 #include "dawg.h"
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24 #include "object_cache.h"
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25 #include "tessdatamanager.h"
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27 namespace tesseract {
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29 class DawgCache {
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30 public:
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31 Dawg *GetSquishedDawg(const std::string &lang, TessdataType tessdata_dawg_type, int debug_level,
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32 TessdataManager *data_file);
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34 // If we manage the given dawg, decrement its count,
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35 // and possibly delete it if the count reaches zero.
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36 // If dawg is unknown to us, return false.
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37 bool FreeDawg(Dawg *dawg) {
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38 return dawgs_.Free(dawg);
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39 }
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41 // Free up any currently unused dawgs.
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42 void DeleteUnusedDawgs() {
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43 dawgs_.DeleteUnusedObjects();
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44 }
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46 private:
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47 ObjectCache<Dawg> dawgs_;
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48 };
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50 } // namespace tesseract
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52 #endif // TESSERACT_DICT_DAWG_CACHE_H_