Add dictionary header writing methods. (484fa7b5) · Commits · e / os / android_packages_inputmethods_LatinIME

native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_policy.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -250,7 +250,7 @@ void DynamicPatriciaTriePolicy::flush(const char *const filePath) {
		}
		DynamicPatriciaTrieWritingHelper writingHelper(&mBufferWithExtendableBuffer,
		&mBigramListPolicy, &mShortcutListPolicy);
		writingHelper.writeToDictFile(filePath, mBuffer->getBuffer(), mHeaderPolicy.getSize());
		writingHelper.writeToDictFile(filePath, &mHeaderPolicy);
		}

		void DynamicPatriciaTriePolicy::flushWithGC(const char *const filePath) {

native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_policy.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -33,7 +33,7 @@ class DicNodeVector;
		class DynamicPatriciaTriePolicy : public DictionaryStructureWithBufferPolicy {
		public:
		DynamicPatriciaTriePolicy(const MmappedBuffer *const buffer)
		: mBuffer(buffer), mHeaderPolicy(mBuffer->getBuffer()),
		: mBuffer(buffer), mHeaderPolicy(mBuffer->getBuffer(), buffer->getBufferSize()),
		mBufferWithExtendableBuffer(mBuffer->getBuffer() + mHeaderPolicy.getSize(),
		mBuffer->getBufferSize() - mHeaderPolicy.getSize()),
		mShortcutListPolicy(&mBufferWithExtendableBuffer),

native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_writing_helper.cpp

+8 −2

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@
		#include "suggest/policyimpl/dictionary/dynamic_patricia_trie_reading_helper.h"
		#include "suggest/policyimpl/dictionary/dynamic_patricia_trie_reading_utils.h"
		#include "suggest/policyimpl/dictionary/dynamic_patricia_trie_writing_utils.h"
		#include "suggest/policyimpl/dictionary/header/header_policy.h"
		#include "suggest/policyimpl/dictionary/patricia_trie_reading_utils.h"
		#include "suggest/policyimpl/dictionary/shortcut/dynamic_shortcut_list_policy.h"

		@@ -137,7 +138,11 @@ bool DynamicPatriciaTrieWritingHelper::removeBigramWords(const int word0Pos, con
		}

		void DynamicPatriciaTrieWritingHelper::writeToDictFile(const char *const fileName,
		const uint8_t *const headerBuf, const int headerSize) {
		const HeaderPolicy *const headerPolicy) {
		BufferWithExtendableBuffer headerBuffer(0 /* originalBuffer /, 0 / originalBufferSize */);
		if (!headerPolicy->writeHeaderToBuffer(&headerBuffer, false /* updatesLastUpdatedTime */)) {
		return;
		}
		const int tmpFileNameBufSize = strlen(fileName)
		+ strlen(TEMP_FILE_SUFFIX_FOR_WRITING_DICT_FILE) + 1;
		char tmpFileName[tmpFileNameBufSize];
		@@ -148,7 +153,8 @@ void DynamicPatriciaTrieWritingHelper::writeToDictFile(const char *const fileNam
		return;
		}
		// Write header.
		if (fwrite(headerBuf, headerSize, 1, file) < 1) {
		if (fwrite(headerBuffer.getBuffer(true /* usesAdditionalBuffer */),
		headerBuffer.getTailPosition(), 1, file) < 1) {
		fclose(file);
		remove(tmpFileName);
		return;

native/jni/src/suggest/policyimpl/dictionary/dynamic_patricia_trie_writing_helper.h

+4 −2

Original line number	Diff line number	Diff line
		@@ -28,6 +28,7 @@ class DynamicBigramListPolicy;
		class DynamicPatriciaTrieNodeReader;
		class DynamicPatriciaTrieReadingHelper;
		class DynamicShortcutListPolicy;
		class HeaderPolicy;

		class DynamicPatriciaTrieWritingHelper {
		public:
		@@ -48,8 +49,9 @@ class DynamicPatriciaTrieWritingHelper {
		// Remove a bigram relation from word0Pos to word1Pos.
		bool removeBigramWords(const int word0Pos, const int word1Pos);

		void writeToDictFile(const char const fileName, const uint8_t const headerBuf,
		const int headerSize);
		void writeToDictFile(const char const fileName, const HeaderPolicy const headerPolicy);

		void writeToDictFileWithGC(const char const fileName, const HeaderPolicy const headerPolicy);

		private:
		DISALLOW_IMPLICIT_CONSTRUCTORS(DynamicPatriciaTrieWritingHelper);

native/jni/src/suggest/policyimpl/dictionary/header/header_policy.cpp

+54 −6

Original line number	Diff line number	Diff line
		@@ -17,6 +17,8 @@
		#include "suggest/policyimpl/dictionary/header/header_policy.h"

		#include <cstddef>
		#include <cstdio>
		#include <ctime>

		namespace latinime {

		@@ -36,7 +38,7 @@ void HeaderPolicy::readHeaderValueOrQuestionMark(const char const key, int out
		}
		std::vector<int> keyCodePointVector;
		insertCharactersIntoVector(key, &keyCodePointVector);
		HeaderReadingUtils::AttributeMap::const_iterator it = mAttributeMap.find(keyCodePointVector);
		HeaderReadWriteUtils::AttributeMap::const_iterator it = mAttributeMap.find(keyCodePointVector);
		if (it == mAttributeMap.end()) {
		// The key was not found.
		outValue[0] = '?';
		@@ -85,7 +87,7 @@ int HeaderPolicy::readLastUpdatedTime() const {
		bool HeaderPolicy::getAttributeValueAsInt(const char const key, int const outValue) const {
		std::vector<int> keyVector;
		insertCharactersIntoVector(key, &keyVector);
		HeaderReadingUtils::AttributeMap::const_iterator it = mAttributeMap.find(keyVector);
		HeaderReadWriteUtils::AttributeMap::const_iterator it = mAttributeMap.find(keyVector);
		if (it == mAttributeMap.end()) {
		// The key was not found.
		return false;
		@@ -94,10 +96,56 @@ bool HeaderPolicy::getAttributeValueAsInt(const char const key, int const outV
		return true;
		}

		/* static */ HeaderReadingUtils::AttributeMap HeaderPolicy::createAttributeMapAndReadAllAttributes(
		const uint8_t *const dictBuf) {
		HeaderReadingUtils::AttributeMap attributeMap;
		HeaderReadingUtils::fetchAllHeaderAttributes(dictBuf, &attributeMap);
		bool HeaderPolicy::writeHeaderToBuffer(BufferWithExtendableBuffer *const bufferToWrite,
		const bool updatesLastUpdatedTime) const {
		int writingPos = 0;
		if (!HeaderReadWriteUtils::writeDictionaryVersion(bufferToWrite, mDictFormatVersion,
		&writingPos)) {
		return false;
		}
		if (!HeaderReadWriteUtils::writeDictionaryFlags(bufferToWrite, mDictionaryFlags,
		&writingPos)) {
		return false;
		}
		// Temporarily writes a dummy header size.
		int headerSizeFieldPos = writingPos;
		if (!HeaderReadWriteUtils::writeDictionaryHeaderSize(bufferToWrite, 0 /* size */,
		&writingPos)) {
		return false;
		}
		if (updatesLastUpdatedTime) {
		// Set current time as a last updated time.
		HeaderReadWriteUtils::AttributeMap attributeMapTowrite(mAttributeMap);
		std::vector<int> updatedTimekey;
		insertCharactersIntoVector(LAST_UPDATED_TIME_KEY, &updatedTimekey);
		const time_t currentTime = time(NULL);
		std::vector<int> updatedTimeValue;
		char charBuf[LARGEST_INT_DIGIT_COUNT + 1];
		snprintf(charBuf, LARGEST_INT_DIGIT_COUNT + 1, "%ld", currentTime);
		insertCharactersIntoVector(charBuf, &updatedTimeValue);
		attributeMapTowrite[updatedTimekey] = updatedTimeValue;
		if (!HeaderReadWriteUtils::writeHeaderAttributes(bufferToWrite, &attributeMapTowrite,
		&writingPos)) {
		return false;
		}
		} else {
		if (!HeaderReadWriteUtils::writeHeaderAttributes(bufferToWrite, &mAttributeMap,
		&writingPos)) {
		return false;
		}
		}
		// Writes an actual header size.
		if (!HeaderReadWriteUtils::writeDictionaryHeaderSize(bufferToWrite, writingPos,
		&headerSizeFieldPos)) {
		return false;
		}
		return true;
		}

		/* static */ HeaderReadWriteUtils::AttributeMap
		HeaderPolicy::createAttributeMapAndReadAllAttributes(const uint8_t *const dictBuf) {
		HeaderReadWriteUtils::AttributeMap attributeMap;
		HeaderReadWriteUtils::fetchAllHeaderAttributes(dictBuf, &attributeMap);
		return attributeMap;
		}