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/*
* Copyright 2017 WebAssembly Community Group participants
*
* 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 WABT_LEXER_SOURCE_H_
#define WABT_LEXER_SOURCE_H_
#include <cstddef>
#include <memory>
#include <string>
#include <vector>
#include "wabt/common.h"
#include "wabt/range.h"
namespace wabt {
class LexerSource {
public:
LexerSource(const void* data, Offset size);
std::unique_ptr<LexerSource> Clone();
Result Tell(Offset* out_offset);
size_t Fill(void* dest, size_t size);
Result ReadRange(OffsetRange, std::vector<char>* out_data);
Result Seek(Offset offset);
WABT_DISALLOW_COPY_AND_ASSIGN(LexerSource);
const void* data() { return data_; }
Offset size() { return size_; }
private:
const void* data_;
Offset size_;
Offset read_offset_;
};
} // namespace wabt
#endif // WABT_LEXER_SOURCE_H_
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