389-ds-base/ldap/servers/plugins/syntaxes/int.c

/** BEGIN COPYRIGHT BLOCK
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 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 * 
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 * this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
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 * right to link the code of this Program with code not covered under the GNU
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 * exception. If you modify this file, you may extend this exception to your
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 * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
 * Copyright (C) 2005 Red Hat, Inc.
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 * END COPYRIGHT BLOCK **/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

/* int.c - integer syntax routines */

#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include "syntax.h"

static int int_filter_ava( Slapi_PBlock *pb, struct berval *bvfilter,
		Slapi_Value **bvals, int ftype, Slapi_Value **retVal );
static int int_values2keys( Slapi_PBlock *pb, Slapi_Value **val,
		Slapi_Value ***ivals, int ftype );
static int int_assertion2keys( Slapi_PBlock *pb, Slapi_Value *val,
		Slapi_Value ***ivals, int ftype );
static int int_compare(struct berval	*v1, struct berval	*v2);

/* the first name is the official one from RFC 2252 */
static char *names[] = { "INTEGER", "int", INTEGER_SYNTAX_OID, 0 };

#define INTEGERMATCH_OID "2.5.13.14"
#define INTEGERORDERINGMATCH_OID "2.5.13.15"

static Slapi_PluginDesc pdesc = { "int-syntax", PLUGIN_MAGIC_VENDOR_STR,
	PRODUCTTEXT, "integer attribute syntax plugin" };

static Slapi_MatchingRuleEntry
integerMatch = { INTEGERMATCH_OID, NULL /* no alias? */,
                 "integerMatch", "The rule evaluates to TRUE if and only if the attribute value and the assertion value are the same integer value.",
                 INTEGER_SYNTAX_OID, 0 /* not obsolete */ };

static Slapi_MatchingRuleEntry
integerOrderingMatch = { INTEGERORDERINGMATCH_OID, NULL /* no alias? */,
                         "integerOrderingMatch", "The rule evaluates to TRUE if and only if the integer value of the attribute value is less than the integer value of the assertion value.",
                         INTEGER_SYNTAX_OID, 0 /* not obsolete */ };


int
int_init( Slapi_PBlock *pb )
{
	int	rc, flags;

	LDAPDebug( LDAP_DEBUG_PLUGIN, "=> int_init\n", 0, 0, 0 );

	rc = slapi_pblock_set( pb, SLAPI_PLUGIN_VERSION,
	    (void *) SLAPI_PLUGIN_VERSION_01 );
	rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_DESCRIPTION,
	    (void *)&pdesc );
	rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_FILTER_AVA,
	    (void *) int_filter_ava );
	rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_VALUES2KEYS,
	    (void *) int_values2keys );
	rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_ASSERTION2KEYS_AVA,
	    (void *) int_assertion2keys );
	flags = SLAPI_PLUGIN_SYNTAX_FLAG_ORDERING;
	rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_FLAGS,
	    (void *) &flags );
	rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_NAMES,
	    (void *) names );
	rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_OID,
	    (void *) INTEGER_SYNTAX_OID );
	rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_COMPARE,
	    (void *) int_compare );

	/* also register this plugin for matching rules */
	rc |= slapi_matchingrule_register(&integerMatch);
	rc |= slapi_matchingrule_register(&integerOrderingMatch);

	LDAPDebug( LDAP_DEBUG_PLUGIN, "<= int_init %d\n", rc, 0, 0 );
	return( rc );
}

static int
int_filter_ava( Slapi_PBlock *pb, struct berval *bvfilter,
    Slapi_Value **bvals, int ftype, Slapi_Value **retVal )
{
	return( string_filter_ava( bvfilter, bvals, SYNTAX_INT | SYNTAX_CES,
                               ftype, retVal ) );
}

static int
int_values2keys( Slapi_PBlock *pb, Slapi_Value **vals, Slapi_Value ***ivals, int ftype )
{
	return( string_values2keys( pb, vals, ivals, SYNTAX_INT | SYNTAX_CES,
                                ftype ) );
}

static int
int_assertion2keys( Slapi_PBlock *pb, Slapi_Value *val, Slapi_Value ***ivals, int ftype )
{
	return(string_assertion2keys_ava( pb, val, ivals,
                                      SYNTAX_INT | SYNTAX_CES, ftype ));
}

static int int_compare(    
	struct berval	*v1,
    struct berval	*v2
)
{
	return value_cmp(v1, v2, SYNTAX_INT|SYNTAX_CES, 3 /* Normalise both values */);
}