/* * "$Id: attr.c 6649 2007-07-11 21:46:42Z 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 6649 2007-07-11 21:46:42Z mike $". */