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Preparatory refactoring

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Split out getting the pointer to the bigrams to a separate
function. This is a preparative change to bug#6313806

Change-Id: Ieb2e306a1151cd95dc1a16793c8dc2f7fed8b654
This commit is contained in:
Jean Chalard 2012-04-17 11:38:44 +09:00
parent 473a3dd669
commit 9c2a96aa6c
2 changed files with 23 additions and 13 deletions
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32
native/jni/src/bigram_dictionary.cpp
View file

@ -108,19 +108,7 @@ int BigramDictionary::getBigrams(unsigned short *prevWord, int prevWordLength, i
mMaxBigrams = maxBigrams;
const uint8_t* const root = DICT;
int pos = BinaryFormat::getTerminalPosition(root, prevWord, prevWordLength);
if (NOT_VALID_WORD == pos) return 0;
const int flags = BinaryFormat::getFlagsAndForwardPointer(root, &pos);
if (0 == (flags & UnigramDictionary::FLAG_HAS_BIGRAMS)) return 0;
if (0 == (flags & UnigramDictionary::FLAG_HAS_MULTIPLE_CHARS)) {
BinaryFormat::getCharCodeAndForwardPointer(root, &pos);
} else {
pos = BinaryFormat::skipOtherCharacters(root, pos);
}
pos = BinaryFormat::skipChildrenPosition(flags, pos);
pos = BinaryFormat::skipFrequency(flags, pos);
pos = BinaryFormat::skipShortcuts(root, flags, pos);
int pos = getBigramListForWord(root, prevWord, prevWordLength);
int bigramFlags;
int bigramCount = 0;
do {
@ -142,6 +130,24 @@ int BigramDictionary::getBigrams(unsigned short *prevWord, int prevWordLength, i
return bigramCount;
}
int BigramDictionary::getBigramListForWord(const uint8_t* const root,
const unsigned short *prevWord, const int prevWordLength) {
int pos = BinaryFormat::getTerminalPosition(root, prevWord, prevWordLength);
if (NOT_VALID_WORD == pos) return 0;
const int flags = BinaryFormat::getFlagsAndForwardPointer(root, &pos);
if (0 == (flags & UnigramDictionary::FLAG_HAS_BIGRAMS)) return 0;
if (0 == (flags & UnigramDictionary::FLAG_HAS_MULTIPLE_CHARS)) {
BinaryFormat::getCharCodeAndForwardPointer(root, &pos);
} else {
pos = BinaryFormat::skipOtherCharacters(root, pos);
}
pos = BinaryFormat::skipChildrenPosition(flags, pos);
pos = BinaryFormat::skipFrequency(flags, pos);
pos = BinaryFormat::skipShortcuts(root, flags, pos);
return pos;
}
bool BigramDictionary::checkFirstCharacter(unsigned short *word) {
// Checks whether this word starts with same character or neighboring characters of
// what user typed.

4
native/jni/src/bigram_dictionary.h
View file

@ -17,6 +17,8 @@
#ifndef LATINIME_BIGRAM_DICTIONARY_H
#define LATINIME_BIGRAM_DICTIONARY_H
#include <stdint.h>
namespace latinime {
class Dictionary;
@ -25,6 +27,8 @@ class BigramDictionary {
BigramDictionary(const unsigned char *dict, int maxWordLength, Dictionary *parentDictionary);
int getBigrams(unsigned short *word, int length, int *codes, int codesSize,
unsigned short *outWords, int *frequencies, int maxWordLength, int maxBigrams);
int getBigramListForWord(const uint8_t* const root,
const unsigned short *prevWord, const int prevWordLength);
~BigramDictionary();
private:
bool addWordBigram(unsigned short *word, int length, int frequency);