/*
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* Copyright 2011 Google Inc. All Rights Reserved.
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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#ifndef SFNTLY_CPP_SRC_SFNTLY_PORT_INPUT_STREAM_H_
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#define SFNTLY_CPP_SRC_SFNTLY_PORT_INPUT_STREAM_H_
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#include "sfntly/port/type.h"
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namespace sfntly {
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// C++ equivalent to Java's OutputStream class
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class InputStream {
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public:
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// Make gcc -Wnon-virtual-dtor happy.
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virtual ~InputStream() {}
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virtual int32_t Available() = 0;
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virtual void Close() = 0;
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virtual void Mark(int32_t readlimit) = 0;
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virtual bool MarkSupported() = 0;
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virtual int32_t Read() = 0;
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virtual int32_t Read(ByteVector* b) = 0;
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virtual int32_t Read(ByteVector* b, int32_t offset, int32_t length) = 0;
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virtual void Reset() = 0;
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virtual int64_t Skip(int64_t n) = 0;
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};
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class PushbackInputStream : public InputStream {
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public:
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virtual void Unread(ByteVector* b) = 0;
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virtual void Unread(ByteVector* b, int32_t offset, int32_t length) = 0;
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};
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} // namespace sfntly
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#endif // SFNTLY_CPP_SRC_SFNTLY_PORT_INPUT_STREAM_H_
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