68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
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/*
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* Copyright (C) 2006 The Android Open Source Project
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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 ANDROID_BUFFEREDTEXTOUTPUT_H
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#define ANDROID_BUFFEREDTEXTOUTPUT_H
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#include <utils/TextOutput.h>
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#include <utils/threads.h>
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#include <cutils/uio.h>
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// ---------------------------------------------------------------------------
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namespace android {
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class BufferedTextOutput : public TextOutput
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{
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public:
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//** Flags for constructor */
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enum {
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MULTITHREADED = 0x0001
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};
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BufferedTextOutput(uint32_t flags = 0);
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virtual ~BufferedTextOutput();
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virtual status_t print(const char* txt, size_t len);
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virtual void moveIndent(int delta);
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virtual void pushBundle();
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virtual void popBundle();
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protected:
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virtual status_t writeLines(const struct iovec& vec, size_t N) = 0;
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private:
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struct BufferState;
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struct ThreadState;
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static ThreadState*getThreadState();
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static void threadDestructor(void *st);
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BufferState*getBuffer() const;
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uint32_t mFlags;
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const int32_t mSeq;
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const int32_t mIndex;
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Mutex mLock;
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BufferState* mGlobalState;
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_BUFFEREDTEXTOUTPUT_H
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