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_FILE_INPUT_STREAM_H_ 1830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#define SFNTLY_CPP_SRC_SFNTLY_PORT_FILE_INPUT_STREAM_H_ 1930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include <stdio.h> 2130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#include "sfntly/port/input_stream.h" 2330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunnamespace sfntly { 2530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 2630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurunclass FileInputStream : public PushbackInputStream { 2730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun public: 2830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FileInputStream(); 2930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual ~FileInputStream(); 3030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 3130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // InputStream methods 3230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int32_t Available(); 3330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Close(); 3430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Mark(int32_t readlimit); 3530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual bool MarkSupported(); 3630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int32_t Read(); 3730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int32_t Read(ByteVector* b); 3830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int32_t Read(ByteVector* b, int32_t offset, int32_t length); 3930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Reset(); 4030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual int64_t Skip(int64_t n); 4130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // PushbackInputStream methods 4330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Unread(ByteVector* b); 4430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual void Unread(ByteVector* b, int32_t offset, int32_t length); 4530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun // Own methods 4730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun virtual bool Open(const char* file_path); 4830d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 4930d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun private: 5030d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun FILE* file_; 5130d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun size_t position_; 5230d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun size_t length_; 5330d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun}; 5430d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5530d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun} // namespace sfntly 5630d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun 5730d4e1f3d81ad9f7a1aa14ce6d2ceb5df56c15cdSelim Gurun#endif // SFNTLY_CPP_SRC_SFNTLY_PORT_FILE_INPUT_STREAM_H_ 58