130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun/* 230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Copyright 2011 Google Inc. All Rights Reserved. 330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Licensed under the Apache License, Version 2.0 (the "License"); 530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * you may not use this file except in compliance with the License. 630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * You may obtain a copy of the License at 730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * http://www.apache.org/licenses/LICENSE-2.0 930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * 1030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * Unless required by applicable law or agreed to in writing, software 1130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * distributed under the License is distributed on an "AS IS" BASIS, 1230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * See the License for the specific language governing permissions and 1430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun * limitations under the License. 1530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun */ 1630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 1730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#ifndef SFNTLY_CPP_SRC_SFNTLY_PORT_INPUT_STREAM_H_ 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#define SFNTLY_CPP_SRC_SFNTLY_PORT_INPUT_STREAM_H_ 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/port/type.h" 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace sfntly { 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun// C++ equivalent to Java's OutputStream class 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunclass InputStream { 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun public: 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // Make gcc -Wnon-virtual-dtor happy. 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual ~InputStream() {} 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int32_t Available() = 0; 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Close() = 0; 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Mark(int32_t readlimit) = 0; 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual bool MarkSupported() = 0; 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int32_t Read() = 0; 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int32_t Read(ByteVector* b) = 0; 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int32_t Read(ByteVector* b, int32_t offset, int32_t length) = 0; 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Reset() = 0; 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int64_t Skip(int64_t n) = 0; 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun}; 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunclass PushbackInputStream : public InputStream { 4230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun public: 4330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Unread(ByteVector* b) = 0; 4430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Unread(ByteVector* b, int32_t offset, int32_t length) = 0; 4530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun}; 4630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} // namespace sfntly 4830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif // SFNTLY_CPP_SRC_SFNTLY_PORT_INPUT_STREAM_H_ 50