| /* |
| * Copyright 2011 Google Inc. All Rights Reserved. |
| * |
| * 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 TYPOGRAPHY_FONT_SFNTLY_SRC_SFNTLY_PORT_INPUT_STREAM_H_ |
| #define TYPOGRAPHY_FONT_SFNTLY_SRC_SFNTLY_PORT_INPUT_STREAM_H_ |
| |
| #include "sfntly/port/type.h" |
| |
| namespace sfntly { |
| |
| // C++ equivalent to Java's OutputStream class |
| class InputStream { |
| public: |
| virtual int32_t available() = 0; |
| virtual void close() = 0; |
| virtual void mark(int32_t readlimit) = 0; |
| virtual bool markSupported() = 0; |
| virtual int32_t read() = 0; |
| virtual int32_t read(ByteVector* b) = 0; |
| virtual int32_t read(ByteVector* b, int32_t offset, int32_t length) = 0; |
| virtual void reset() = 0; |
| virtual int64_t skip(int64_t n) = 0; |
| // Make gcc -Wnon-virtual-dtor happy. |
| virtual ~InputStream() {} |
| }; |
| |
| class PushbackInputStream : public InputStream { |
| public: |
| virtual void unread(ByteVector* b) = 0; |
| virtual void unread(ByteVector* b, int32_t offset, int32_t length) = 0; |
| }; |
| |
| } // namespace sfntly |
| |
| #endif // TYPOGRAPHY_FONT_SFNTLY_SRC_SFNTLY_PORT_INPUT_STREAM_H_ |