sqliteicu.c File Reference

#include <unicode/utypes.h>
#include <unicode/uregex.h>
#include <unicode/ustring.h>
#include <unicode/ucol.h>
#include <assert.h>
#include "sqlite3ext.h"

Include dependency graph for sqliteicu.c:

Macros
#define	SQLITE_DIRECTONLY   0x000080000
#define	SQLITE_INNOCUOUS   0x000200000
#define	SQLITE_MAX_LIKE_PATTERN_LENGTH   50000
#define	SQLITE_ICU_READ_UTF8(zIn, c)
#define	SQLITE_ICU_SKIP_UTF8(zIn)
#define	SQLITEICU_EXTRAFLAGS   (SQLITE_DETERMINISTIC|SQLITE_INNOCUOUS)

Functions
static void	icuFunctionError (sqlite3_context *pCtx, const char *zName, UErrorCode e)
static void	xFree (void *p)
static int	icuLikeCompare (const uint8_t *zPattern, const uint8_t *zString, const UChar32 uEsc)
static void	icuLikeFunc (sqlite3_context *context, int argc, sqlite3_value **argv)
static void	icuRegexpDelete (void *p)
static void	icuRegexpFunc (sqlite3_context *p, int nArg, sqlite3_value **apArg)
static void	icuCaseFunc16 (sqlite3_context *p, int nArg, sqlite3_value **apArg)
static void	icuCollationDel (void *pCtx)
static int	icuCollationColl (void *pCtx, int nLeft, const void *zLeft, int nRight, const void *zRight)
static void	icuLoadCollation (sqlite3_context *p, int nArg, sqlite3_value **apArg)
int	sqlite3IcuInit (sqlite3 *db)
int	sqlite3_icu_init (sqlite3 *db, char **pzErrMsg, const sqlite3_api_routines *pApi)

Variables
static const unsigned char	icuUtf8Trans1 []

Macro Definition Documentation

SQLITE_DIRECTONLY

#define SQLITE_DIRECTONLY   0x000080000

SQLITE_ICU_READ_UTF8

#define SQLITE_ICU_READ_UTF8	(		zIn,
			c
	)

Value:

  c = *(zIn++);                                            \
  if( c>=0xc0 ){                                           \
    c = icuUtf8Trans1[c-0xc0];                             \
    while( (*zIn & 0xc0)==0x80 ){                          \
      c = (c<<6) + (0x3f & *(zIn++));                      \
    }                                                      \
  }

SQLITE_ICU_SKIP_UTF8

#define SQLITE_ICU_SKIP_UTF8

(

zIn

)

Value:

  assert( *zIn );                                          \
  if( *(zIn++)>=0xc0 ){                                    \
    while( (*zIn & 0xc0)==0x80 ){zIn++;}                   \
  }

SQLITE_INNOCUOUS

#define SQLITE_INNOCUOUS   0x000200000

SQLITE_MAX_LIKE_PATTERN_LENGTH

#define SQLITE_MAX_LIKE_PATTERN_LENGTH   50000

SQLITEICU_EXTRAFLAGS

#define SQLITEICU_EXTRAFLAGS   (SQLITE_DETERMINISTIC|SQLITE_INNOCUOUS)

Function Documentation

icuCaseFunc16()

static void icuCaseFunc16 ( sqlite3_context *  p, int  nArg, sqlite3_value **  apArg  )

static

References icuFunctionError(), and xFree().

Referenced by sqlite3IcuInit().

icuCollationColl()

static int icuCollationColl ( void *  pCtx, int  nLeft, const void *  zLeft, int  nRight, const void *  zRight  )

static

Referenced by icuLoadCollation().

icuCollationDel()

static void icuCollationDel ( void *  pCtx )

static

Referenced by icuLoadCollation().

icuFunctionError()

static void icuFunctionError ( sqlite3_context *  pCtx, const char *  zName, UErrorCode  e  )

static

Referenced by icuCaseFunc16(), icuLoadCollation(), and icuRegexpFunc().

icuLikeCompare()

static int icuLikeCompare ( const uint8_t *  zPattern, const uint8_t *  zString, const UChar32  uEsc  )

static

References icuLikeCompare(), SQLITE_ICU_READ_UTF8, and SQLITE_ICU_SKIP_UTF8.

Referenced by icuLikeCompare(), and icuLikeFunc().

icuLikeFunc()

static void icuLikeFunc ( sqlite3_context *  context, int  argc, sqlite3_value **  argv  )

static

References icuLikeCompare(), and SQLITE_MAX_LIKE_PATTERN_LENGTH.

Referenced by sqlite3IcuInit().

icuLoadCollation()

static void icuLoadCollation ( sqlite3_context *  p, int  nArg, sqlite3_value **  apArg  )

static

References icuCollationColl(), icuCollationDel(), icuFunctionError(), and void().

Referenced by sqlite3IcuInit().

icuRegexpDelete()

static void icuRegexpDelete ( void *  p )

static

Referenced by icuRegexpFunc().

icuRegexpFunc()

static void icuRegexpFunc ( sqlite3_context *  p, int  nArg, sqlite3_value **  apArg  )

static

References icuFunctionError(), icuRegexpDelete(), and void().

Referenced by sqlite3IcuInit().

sqlite3_icu_init()

int sqlite3_icu_init	(	sqlite3 *	db,
		char **	pzErrMsg,
		const sqlite3_api_routines *	pApi
	)

References sqlite3IcuInit().

sqlite3IcuInit()

int sqlite3IcuInit

(

sqlite3 *

db

)

References icuCaseFunc16(), icuLikeFunc(), icuLoadCollation(), icuRegexpFunc(), SQLITE_DIRECTONLY, SQLITEICU_EXTRAFLAGS, and void().

Referenced by dt_database_init(), and sqlite3_icu_init().

xFree()

static void xFree ( void *  p )

static

Referenced by icuCaseFunc16().

Variable Documentation

icuUtf8Trans1

const unsigned char icuUtf8Trans1[]

static

Initial value:

= {
  0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
  0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
  0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
  0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
  0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
  0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
  0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
  0x00, 0x01, 0x02, 0x03, 0x00, 0x01, 0x00, 0x00,
}