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/*
* "$Id: attr.c 7721 2008-07-11 22:48:49Z mike $"
*
* PPD model-specific attribute routines for the Common UNIX Printing System
* (CUPS).
*
* Copyright 2007 by Apple Inc.
* Copyright 1997-2006 by Easy Software Products.
*
* These coded instructions, statements, and computer programs are the
* property of Apple Inc. and are protected by Federal copyright
* law. Distribution and use rights are outlined in the file "LICENSE.txt"
* which should have been included with this file. If this file is
* file is missing or damaged, see the license at "http://www.cups.org/".
*
* Contents:
*
* ppdFindAttr() - Find the first matching attribute...
* ppdFindNextAttr() - Find the next matching attribute...
*/
/*
* Include necessary headers...
*/
#include "ppd.h"
#include "debug.h"
#include "string.h"
#include <stdlib.h>
/*
* 'ppdFindAttr()' - Find the first matching attribute...
*
* @since CUPS 1.1.19@
*/
ppd_attr_t * /* O - Attribute or NULL if not found */
ppdFindAttr(ppd_file_t *ppd, /* I - PPD file data */
const char *name, /* I - Attribute name */
const char *spec) /* I - Specifier string or NULL */
{
ppd_attr_t key, /* Search key */
*attr; /* Current attribute */
int diff; /* Current difference */
DEBUG_printf(("ppdFindAttr(ppd=%p, name=\"%s\", spec=\"%s\")\n", ppd,
name ? name : "(null)", spec ? spec : "(null)"));
/*
* Range check input...
*/
if (!ppd || !name || ppd->num_attrs == 0)
return (NULL);
/*
* Search for a matching attribute...
*/
memset(&key, 0, sizeof(key));
strlcpy(key.name, name, sizeof(key.name));
if (spec)
strlcpy(key.spec, spec, sizeof(key.spec));
/*
* Return the first matching attribute, if any...
*/
if ((attr = (ppd_attr_t *)cupsArrayFind(ppd->sorted_attrs, &key)) != NULL)
return (attr);
else if (spec)
return (NULL);
/*
* No match found, loop through the sorted attributes to see if we can
* find a "wildcard" match for the attribute...
*/
for (attr = (ppd_attr_t *)cupsArrayFirst(ppd->sorted_attrs);
attr;
attr = (ppd_attr_t *)cupsArrayNext(ppd->sorted_attrs))
{
if ((diff = strcasecmp(attr->name, name)) == 0)
break;
if (diff > 0)
{
/*
* All remaining attributes are > than the one we are trying to find...
*/
cupsArrayIndex(ppd->sorted_attrs, cupsArrayCount(ppd->sorted_attrs));
return (NULL);
}
}
return (attr);
}
/*
* 'ppdFindNextAttr()' - Find the next matching attribute...
*
* @since CUPS 1.1.19@
*/
ppd_attr_t * /* O - Attribute or NULL if not found */
ppdFindNextAttr(ppd_file_t *ppd, /* I - PPD file data */
const char *name, /* I - Attribute name */
const char *spec) /* I - Specifier string or NULL */
{
ppd_attr_t *attr; /* Current attribute */
/*
* Range check input...
*/
if (!ppd || !name || ppd->num_attrs == 0 ||
!cupsArrayCurrent(ppd->sorted_attrs))
return (NULL);
/*
* See if there are more attributes to return...
*/
if ((attr = (ppd_attr_t *)cupsArrayNext(ppd->sorted_attrs)) == NULL)
return (NULL);
/*
* Check the next attribute to see if it is a match...
*/
if (strcasecmp(attr->name, name) || (spec && strcasecmp(attr->spec, spec)))
{
/*
* Nope, reset the current pointer to the end of the array...
*/
cupsArrayIndex(ppd->sorted_attrs, cupsArrayCount(ppd->sorted_attrs));
return (NULL);
}
/*
* Return the next attribute's value...
*/
return (attr);
}
/*
* End of "$Id: attr.c 7721 2008-07-11 22:48:49Z mike $".
*/
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