nyancrimew
/
LatinIME
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add BufferWithExtendableBuffer::extend() 

Bug: 14425059
Change-Id: I13dd8412ba4d16a1325ac2210b3852d580e71ad3
main
Keisuke Kuroyanagi 2014-07-23 11:59:12 +09:00
parent 6810e8df1e
commit ff6ca09905
2 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
native/jni/src/suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer.cpp
View File

@ -49,6 +49,10 @@ void BufferWithExtendableBuffer::readCodePointsAndAdvancePosition(const int maxC
} }
} }
bool BufferWithExtendableBuffer::extend(const int size) {
return checkAndPrepareWriting(getTailPosition(), size);
}
bool BufferWithExtendableBuffer::writeUint(const uint32_t data, const int size, const int pos) { bool BufferWithExtendableBuffer::writeUint(const uint32_t data, const int size, const int pos) {
int writingPos = pos; int writingPos = pos;
return writeUintAndAdvancePosition(data, size, &writingPos); return writeUintAndAdvancePosition(data, size, &writingPos);
@ -96,13 +100,13 @@ bool BufferWithExtendableBuffer::writeCodePointsAndAdvancePosition(const int *co
return true; return true;
} }
bool BufferWithExtendableBuffer::extendBuffer() { bool BufferWithExtendableBuffer::extendBuffer(const size_t size) {
const size_t sizeAfterExtending = const size_t extendSize = std::max(EXTEND_ADDITIONAL_BUFFER_SIZE_STEP, size);
mAdditionalBuffer.size() + EXTEND_ADDITIONAL_BUFFER_SIZE_STEP; const size_t sizeAfterExtending = mAdditionalBuffer.size() + extendSize;
if (sizeAfterExtending > mMaxAdditionalBufferSize) { if (sizeAfterExtending > mMaxAdditionalBufferSize) {
return false; return false;
} }
mAdditionalBuffer.resize(mAdditionalBuffer.size() + EXTEND_ADDITIONAL_BUFFER_SIZE_STEP); mAdditionalBuffer.resize(sizeAfterExtending);
return true; return true;
} }
@ -133,7 +137,7 @@ bool BufferWithExtendableBuffer::checkAndPrepareWriting(const int pos, const int
} }
const size_t extendSize = totalRequiredSize - const size_t extendSize = totalRequiredSize -
std::min(mAdditionalBuffer.size() + mOriginalBufferSize, totalRequiredSize); std::min(mAdditionalBuffer.size() + mOriginalBufferSize, totalRequiredSize);
if (extendSize > 0 && !extendBuffer()) { if (extendSize > 0 && !extendBuffer(extendSize)) {
// Failed to extend the buffer. // Failed to extend the buffer.
return false; return false;
} }

4
native/jni/src/suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer.h
View File

@ -87,6 +87,8 @@ class BufferWithExtendableBuffer {
* NEAR_BUFFER_LIMIT_THRESHOLD_PERCENTILE) / 100); * NEAR_BUFFER_LIMIT_THRESHOLD_PERCENTILE) / 100);
} }
bool extend(const int size);
/** /**
* For writing. * For writing.
* *
@ -115,7 +117,7 @@ class BufferWithExtendableBuffer {
const size_t mMaxAdditionalBufferSize; const size_t mMaxAdditionalBufferSize;
// Return if the buffer is successfully extended or not. // Return if the buffer is successfully extended or not.
bool extendBuffer(); bool extendBuffer(const size_t size);
// Returns if it is possible to write size-bytes from pos. When pos is at the tail position of // Returns if it is possible to write size-bytes from pos. When pos is at the tail position of
// the additional buffer, try extending the buffer. // the additional buffer, try extending the buffer.