cups/ppd-custom.c

   1 /*
   2  * PPD custom option routines for CUPS.
   3  *
   4  * Copyright 2007-2015 by Apple Inc.
   5  * Copyright 1997-2006 by Easy Software Products, all rights reserved.
   6  *
   7  * These coded instructions, statements, and computer programs are the
   8  * property of Apple Inc. and are protected by Federal copyright
   9  * law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  10  * which should have been included with this file.  If this file is
  11  * file is missing or damaged, see the license at "http://www.cups.org/".
  12  *
  13  * PostScript is a trademark of Adobe Systems, Inc.
  14  *
  15  * This code and any derivative of it may be used and distributed
  16  * freely under the terms of the GNU General Public License when
  17  * used with GNU Ghostscript or its derivatives.  Use of the code
  18  * (or any derivative of it) with software other than GNU
  19  * GhostScript (or its derivatives) is governed by the CUPS license
  20  * agreement.
  21  *
  22  * This file is subject to the Apple OS-Developed Software exception.
  23  */
  24
  25 /*
  26  * Include necessary headers.
  27  */
  28
  29 #include "cups-private.h"
  30 #include "ppd-private.h"
  31
  32
  33 /*
  34  * 'ppdFindCustomOption()' - Find a custom option.
  35  *
  36  * @since CUPS 1.2/OS X 10.5@
  37  */
  38
  39 ppd_coption_t *                         /* O - Custom option or NULL */
  40 ppdFindCustomOption(ppd_file_t *ppd,    /* I - PPD file */
  41                     const char *keyword)/* I - Custom option name */
  42 {
  43   ppd_coption_t key;                    /* Custom option search key */
  44
  45
  46   if (!ppd)
  47     return (NULL);
  48
  49   strlcpy(key.keyword, keyword, sizeof(key.keyword));
  50   return ((ppd_coption_t *)cupsArrayFind(ppd->coptions, &key));
  51 }
  52
  53
  54 /*
  55  * 'ppdFindCustomParam()' - Find a parameter for a custom option.
  56  *
  57  * @since CUPS 1.2/OS X 10.5@
  58  */
  59
  60 ppd_cparam_t *                          /* O - Custom parameter or NULL */
  61 ppdFindCustomParam(ppd_coption_t *opt,  /* I - Custom option */
  62                    const char    *name) /* I - Parameter name */
  63 {
  64   ppd_cparam_t  *param;                 /* Current custom parameter */
  65
  66
  67   if (!opt)
  68     return (NULL);
  69
  70   for (param = (ppd_cparam_t *)cupsArrayFirst(opt->params);
  71        param;
  72        param = (ppd_cparam_t *)cupsArrayNext(opt->params))
  73     if (!_cups_strcasecmp(param->name, name))
  74       break;
  75
  76   return (param);
  77 }
  78
  79
  80 /*
  81  * 'ppdFirstCustomParam()' - Return the first parameter for a custom option.
  82  *
  83  * @since CUPS 1.2/OS X 10.5@
  84  */
  85
  86 ppd_cparam_t *                          /* O - Custom parameter or NULL */
  87 ppdFirstCustomParam(ppd_coption_t *opt) /* I - Custom option */
  88 {
  89   if (!opt)
  90     return (NULL);
  91
  92   return ((ppd_cparam_t *)cupsArrayFirst(opt->params));
  93 }
  94
  95
  96 /*
  97  * 'ppdNextCustomParam()' - Return the next parameter for a custom option.
  98  *
  99  * @since CUPS 1.2/OS X 10.5@
 100  */
 101
 102 ppd_cparam_t *                          /* O - Custom parameter or NULL */
 103 ppdNextCustomParam(ppd_coption_t *opt)  /* I - Custom option */
 104 {
 105   if (!opt)
 106     return (NULL);
 107
 108   return ((ppd_cparam_t *)cupsArrayNext(opt->params));
 109 }