52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
/* Copyright 2018 Dirk Steinke
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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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#ifndef STREAM_H
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#define STREAM_H
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#include <stdint.h>
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class InputStream {
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public:
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virtual ~InputStream() {}
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virtual bool eof() const = 0;
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virtual size_t read(unsigned char* buffer, const size_t size) = 0;
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};
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class OutputStream {
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public:
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virtual ~OutputStream() {}
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virtual size_t write(const unsigned char* buffer, const size_t size) = 0;
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};
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class SeekableStream {
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public:
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virtual ~SeekableStream() {}
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virtual uint64_t tell() const = 0;
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virtual uint64_t seek(const uint64_t newPos) = 0;
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};
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class SeekableInputStream
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: public InputStream
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, public SeekableStream {};
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class SeekableInputOutputStream
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: public SeekableInputStream
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, public OutputStream {};
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#endif /* STREAM_H */
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