The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef ANDROID_BUFFEREDTEXTOUTPUT_H |
| 18 | #define ANDROID_BUFFEREDTEXTOUTPUT_H |
| 19 | |
Mathias Agopian | 002e1e5 | 2013-05-06 20:20:50 -0700 | [diff] [blame] | 20 | #include <binder/TextOutput.h> |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 21 | #include <utils/threads.h> |
Colin Cross | f5f8fa0 | 2013-07-23 14:52:34 -0700 | [diff] [blame] | 22 | #include <sys/uio.h> |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 23 | |
| 24 | // --------------------------------------------------------------------------- |
| 25 | namespace android { |
| 26 | |
| 27 | class BufferedTextOutput : public TextOutput |
| 28 | { |
| 29 | public: |
| 30 | //** Flags for constructor */ |
| 31 | enum { |
| 32 | MULTITHREADED = 0x0001 |
| 33 | }; |
| 34 | |
Chih-Hung Hsieh | 5ca1ea4 | 2018-12-20 15:42:22 -0800 | [diff] [blame] | 35 | explicit BufferedTextOutput(uint32_t flags = 0); |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | virtual ~BufferedTextOutput(); |
| 37 | |
| 38 | virtual status_t print(const char* txt, size_t len); |
| 39 | virtual void moveIndent(int delta); |
| 40 | |
| 41 | virtual void pushBundle(); |
| 42 | virtual void popBundle(); |
| 43 | |
| 44 | protected: |
| 45 | virtual status_t writeLines(const struct iovec& vec, size_t N) = 0; |
| 46 | |
| 47 | private: |
| 48 | struct BufferState; |
| 49 | struct ThreadState; |
Elliott Hughes | 308e980 | 2020-12-03 15:42:02 -0800 | [diff] [blame] | 50 | |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 51 | BufferState*getBuffer() const; |
| 52 | |
| 53 | uint32_t mFlags; |
| 54 | const int32_t mSeq; |
| 55 | const int32_t mIndex; |
| 56 | |
| 57 | Mutex mLock; |
| 58 | BufferState* mGlobalState; |
| 59 | }; |
| 60 | |
| 61 | // --------------------------------------------------------------------------- |
Steven Moreland | 61ff849 | 2019-09-26 16:05:45 -0700 | [diff] [blame] | 62 | } // namespace android |
The Android Open Source Project | edbf3b6 | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 63 | |
| 64 | #endif // ANDROID_BUFFEREDTEXTOUTPUT_H |