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57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
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///////////////////////////////////////////////////////////////////////
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// File: dawg_cache.h
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// Description: A class that knows about loading and caching dawgs.
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// Author: David Eger
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// Created: Fri Jan 27 12:08:00 PST 2012
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//
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// (C) Copyright 2012, Google Inc.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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///////////////////////////////////////////////////////////////////////
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#ifndef TESSERACT_DICT_DAWG_CACHE_H_
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#define TESSERACT_DICT_DAWG_CACHE_H_
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#include "dawg.h"
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#include "object_cache.h"
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#include "strngs.h"
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#include "tessdatamanager.h"
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namespace tesseract {
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class DawgCache {
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public:
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Dawg *GetSquishedDawg(
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const STRING &lang,
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const char *data_file_name,
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TessdataType tessdata_dawg_type,
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int debug_level);
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// If we manage the given dawg, decrement its count,
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// and possibly delete it if the count reaches zero.
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// If dawg is unknown to us, return false.
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bool FreeDawg(Dawg *dawg) {
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return dawgs_.Free(dawg);
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}
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// Free up any currently unused dawgs.
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void DeleteUnusedDawgs() {
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dawgs_.DeleteUnusedObjects();
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}
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private:
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ObjectCache<Dawg> dawgs_;
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};
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} // namespace tesseract
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#endif // TESSERACT_DICT_DAWG_CACHE_H_
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