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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*LINTLIBRARY*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <stdarg.h>
#include <string.h>
#include <ns.h>
#include <list.h>
/*
* Commonly Used routines...
*/
/*
* FUNCTION:
* kvp_create(const char *key, const void *value)
* INPUT(S):
* const char *key
* - key for key/value pair
* const void *value
* - value for key/value pair
* OUTPUT(S):
* ns_kvp_t * (return value)
* - pointer to structure containing the key/value pair
* DESCRIPTION:
*/
ns_kvp_t *
ns_kvp_create(const char *key, const char *value)
{
ns_kvp_t *kvp;
if ((kvp = calloc(1, sizeof (*kvp))) != NULL) {
kvp->key = strdup(key);
kvp->value = (char *)value;
}
return (kvp);
}
int
ns_kvp_destroy(void *arg, va_list arg1 __unused)
{
ns_kvp_t *kvp = arg;
if (kvp != NULL) {
if (kvp->key != NULL)
free(kvp->key);
if (kvp->value != NULL)
free(kvp->value);
free(kvp);
}
return (0);
}
/*
* FUNCTION:
* ns_kvp_match_key(const ns_kvp_t *kvp, const char *key)
* INPUT(S):
* const ns_kvp_t *kvp
* - key/value pair to check
* const char *key
* - key for matching
* OUTPUT(S):
* int (return value)
* - 0 if matched
* DESCRIPTION:
*/
static int
ns_kvp_match_key(const ns_kvp_t *kvp, char *key)
{
if ((kvp != NULL) && (kvp->key != NULL) && (key != NULL))
return (strcmp(kvp->key, key));
return (-1);
}
/*
* FUNCTION:
* ns_r_get_value(const char *key, const ns_printer_t *printer)
* INPUT(S):
* const char *key
* - key for matching
* const ns_printer_t *printer
* - printer to glean this from
* OUTPUT(S):
* char * (return value)
* - NULL, if not matched
* DESCRIPTION:
*/
static void *
ns_r_get_value(const char *key, const ns_printer_t *printer, int level)
{
ns_kvp_t *kvp, **attrs;
if ((key == NULL) || (printer == NULL) ||
(printer->attributes == NULL))
return (NULL);
if (level++ == 16)
return (NULL);
/* find it right here */
if ((kvp = list_locate((void **)printer->attributes,
(COMP_T)ns_kvp_match_key, (void *)key)) != NULL) {
void *value = string_to_value(key, kvp->value);
/* fill in an empty printer for a bsdaddr */
if (strcmp(key, NS_KEY_BSDADDR) == 0) {
ns_bsd_addr_t *addr = value;
if (addr->printer == NULL)
addr->printer = strdup(printer->name);
}
return (value);
}
/* find it in a child */
for (attrs = printer->attributes; attrs != NULL && *attrs != NULL;
attrs++) {
void *value = NULL;
if ((strcmp((*attrs)->key, NS_KEY_ALL) == 0) ||
(strcmp((*attrs)->key, NS_KEY_GROUP) == 0)) {
char **printers;
for (printers = string_to_value((*attrs)->key,
(*attrs)->value);
printers != NULL && *printers != NULL; printers++) {
ns_printer_t *printer =
ns_printer_get_name(*printers, NULL);
value = ns_r_get_value(key, printer, level);
if (value != NULL)
return (value);
ns_printer_destroy(printer);
}
} else if (strcmp((*attrs)->key, NS_KEY_LIST) == 0) {
ns_printer_t **printers;
for (printers = string_to_value((*attrs)->key,
(*attrs)->value);
printers != NULL && *printers != NULL; printers++) {
value = ns_r_get_value(key, *printers, level);
if (value != NULL)
return (value);
}
} else if (strcmp((*attrs)->key, NS_KEY_USE) == 0) {
char *string = NULL;
ns_printer_t *printer =
ns_printer_get_name((*attrs)->value, NULL);
value = ns_r_get_value(key, printer, level);
if (value != NULL)
string = value_to_string(string, value);
if (string != NULL)
value = string_to_value(key, string);
ns_printer_destroy(printer);
}
if (value != NULL)
return (value);
}
return (NULL);
}
/*
* ns_get_value() gets the value of the passed in attribute from the passed
* in printer structure. The value is returned in a converted format.
*/
void *
ns_get_value(const char *key, const ns_printer_t *printer)
{
return (ns_r_get_value(key, printer, 0));
}
/*
* ns_get_value_string() gets the value of the key passed in from the
* printer structure passed in. The results is an ascii string.
*/
char *
ns_get_value_string(const char *key, const ns_printer_t *printer)
{
return ((char *)value_to_string(key, ns_get_value(key, printer)));
}
/*
* ns_set_value() sets the passed in kvp in the passed in printer structure,
* This is done by converting the value to a string first.
*/
int
ns_set_value(const char *key, const void *value, ns_printer_t *printer)
{
return (ns_set_value_from_string(key,
value_to_string(key, (void *)value), printer));
}
/*
* ns_set_value_from_string() sets the passed in kvp in the passed in printer
* structure.
*/
int
ns_set_value_from_string(const char *key, const char *string,
ns_printer_t *printer)
{
if (printer == NULL)
return (-1);
if (key == NULL) {
list_iterate((void **)printer->attributes, ns_kvp_destroy);
} else {
ns_kvp_t *kvp;
if (((kvp = list_locate((void **)printer->attributes,
(COMP_T)ns_kvp_match_key, (void *)key)) == NULL) &&
((kvp = calloc(1, sizeof (*kvp))) != NULL)) {
kvp->key = strdup(key);
printer->attributes = (ns_kvp_t **)
list_append((void **)printer->attributes, kvp);
}
if (string != NULL)
kvp->value = strdup(string);
else
kvp->value = NULL;
}
return (0);
}
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