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/*
* Copyright (C) 2017 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 TEXT_PARSER_BASE_H
#define TEXT_PARSER_BASE_H
#include <utils/Errors.h>
#include <utils/String8.h>
using namespace android;
/**
* Base class for text parser
*/
class TextParserBase {
public:
String8 name;
TextParserBase(String8 name) : name(name) {};
virtual ~TextParserBase() {};
virtual status_t Parse(const int in, const int out) const = 0;
};
/**
* No op parser returns what it reads
*/
class NoopParser : public TextParserBase {
public:
NoopParser() : TextParserBase(String8("NoopParser")) {};
~NoopParser() {};
virtual status_t Parse(const int in, const int out) const;
};
/**
* This parser is used for testing only, results in timeout.
*/
class TimeoutParser : public TextParserBase {
public:
TimeoutParser() : TextParserBase(String8("TimeoutParser")) {};
~TimeoutParser() {};
virtual status_t Parse(const int /** in */, const int /** out */) const { while (true); };
};
/**
* This parser is used for testing only, results in reversed input text.
*/
class ReverseParser : public TextParserBase {
public:
ReverseParser() : TextParserBase(String8("ReverseParser")) {};
~ReverseParser() {};
virtual status_t Parse(const int in, const int out) const;
};
#endif // TEXT_PARSER_BASE_H
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