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/**
* userphrase-private.h
*
* Copyright (c) 2008
* libchewing Core Team. See ChangeLog for details.
*
* See the file "COPYING" for information on usage and redistribution
* of this file.
*/
/* *INDENT-OFF* */
#ifndef _CHEWING_USERPHRASE_PRIVATE_H
#define _CHEWING_USERPHRASE_PRIVATE_H
/* *INDENT-ON* */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_INTTYPES_H
# include <inttypes.h>
#elif defined HAVE_STDINT_H
# include <stdint.h>
#endif
#if WITH_SQLITE3
# define DB_NAME "chewing.sqlite3"
#else
# define DB_NAME "uhash.dat"
#endif
#define FREQ_INIT_VALUE (1)
#define SHORT_INCREASE_FREQ (10)
#define MEDIUM_INCREASE_FREQ (5)
#define LONG_DECREASE_FREQ (10)
#define MAX_ALLOW_FREQ (99999999)
#define USER_UPDATE_FAIL (4)
#define USER_UPDATE_INSERT (1)
#define USER_UPDATE_MODIFY (2)
#define USER_UPDATE_IGNORE (8)
/* Forward declaration */
struct ChewingData;
typedef struct UserPhraseData {
uint16_t *phoneSeq;
char *wordSeq;
int userfreq;
int recentTime;
int origfreq; /* the initial frequency of this phrase */
int maxfreq; /* the maximum frequency of the phrase of the same pid */
} UserPhraseData;
void UserUpdatePhraseBegin(struct ChewingData *pgdata);
/**
* @brief Update or add a new UserPhrase.
*
* @param phoneSeq[] Phone sequence
* @param wordSeq[] Phrase against the phone sequence
*
* @return
* @retval USER_UPDATE_FAIL Update fail.
* @retval USER_UPDATE_INSERT Sequence is new, add new entry.
* @retval USER_UPDATE_MODIFY Sequence is existing, update it's data.
*/
int UserUpdatePhrase(struct ChewingData *pgdata, const uint16_t phoneSeq[], const char wordSeq[]);
void UserUpdatePhraseEnd(struct ChewingData *pgdata);
int UserRemovePhrase(struct ChewingData *pgdata, const uint16_t phoneSeq[], const char wordSeq[]);
/**
* @brief Read the first phrase of the phone in user phrase database.
*
* @param phoneSeq[] Phone sequence
*
* @return UserPhraseData, if it's not existing then return NULL.
*/
UserPhraseData *UserGetPhraseFirst(struct ChewingData *pgdata, const uint16_t phoneSeq[]);
/**
* @brief Read the next phrase of the phone in user phrase database.
*
* @param phoneSeq[] Phone sequence
*
* @return UserPhraseData, if it's not existing then return NULL.
*/
UserPhraseData *UserGetPhraseNext(struct ChewingData *pgdata, const uint16_t phoneSeq[]);
void UserGetPhraseEnd(struct ChewingData *pgdata, const uint16_t phoneSeq[]);
void IncreaseLifeTime(struct ChewingData *pgdata);
char *GetDefaultUserPhrasePath(struct ChewingData *pgdata);
/* *INDENT-OFF* */
#endif
/* *INDENT-ON* */
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