/*
|
* Copyright (C) 2018 The Android Open Source Project
|
*
|
* 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.
|
*/
|
|
#ifndef NLP_SAFT_COMPONENTS_LANG_ID_MOBILE_SCRIPT_SCRIPT_DETECTOR_H_
|
#define NLP_SAFT_COMPONENTS_LANG_ID_MOBILE_SCRIPT_SCRIPT_DETECTOR_H_
|
|
#include "lang_id/common/registry.h"
|
|
namespace libtextclassifier3 {
|
namespace mobile {
|
|
// Base class for Unicode script detectors. Individual detectors may differ in
|
// code size, speed, precision, etc. You can use the registration mechanism to
|
// get the ScriptDetector that's most appropriate to your application.
|
class ScriptDetector : public RegisterableClass<ScriptDetector> {
|
public:
|
virtual ~ScriptDetector() = default;
|
|
// Returns a number between 0 and GetMaxScript() (inclusive on both ends) that
|
// indicates the script of the UTF8 character that starts at address |s| and
|
// has |num_bytes|.
|
virtual int GetScript(const char *s, int num_bytes) const = 0;
|
|
// Returns max result that can be returned by GetScript().
|
virtual int GetMaxScript() const = 0;
|
};
|
|
SAFTM_DECLARE_CLASS_REGISTRY_NAME(ScriptDetector);
|
|
} // namespace mobile
|
} // namespace nlp_saft
|
|
#endif // NLP_SAFT_COMPONENTS_LANG_ID_MOBILE_SCRIPT_SCRIPT_DETECTOR_H_
|
