cups/encode.c - platform/external/libcups - Git at Google

 /*
  * "$Id: encode.c 5230 2006-03-05 17:01:51Z mike $"
  *
  *   Option encoding routines for the Common UNIX Printing System (CUPS).
  *
  *   Copyright 1997-2006 by Easy Software Products.
  *
  *   These coded instructions, statements, and computer programs are the
  *   property of Easy Software Products 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 missing or damaged please contact Easy Software Products
  *   at:
  *
  *       Attn: CUPS Licensing Information
  *       Easy Software Products
  *       44141 Airport View Drive, Suite 204
  *       Hollywood, Maryland 20636 USA
  *
  *       Voice: (301) 373-9600
  *       EMail: [email protected]
  *         WWW: http://www.cups.org
  *
  *   This file is subject to the Apple OS-Developed Software exception.
  *
  * Contents:
  *
  *   cupsEncodeOptions()   - Encode printer options into IPP attributes.
  *   cupsEncodeOptions2()  - Encode printer options into IPP attributes for
  *                           a group.
  *   compare_ipp_options() - Compare two IPP options.
  */

 /*
  * Include necessary headers...
  */

 #include "cups.h"
 #include "ipp-private.h"
 #include <stdlib.h>
 #include <ctype.h>
 #include "string.h"
 #include "debug.h"


 /*
  * Local list of option names and the value tags they should use...
  *
  * **** THIS LIST MUST BE SORTED ****
  */

 typedef struct
 {
   const char	*name;
   ipp_tag_t	value_tag;
   ipp_tag_t	group_tag;
 } _ipp_option_t;

 static const _ipp_option_t ipp_options[] =
 {
   { "blackplot",		IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
   { "blackplot-default",	IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
   { "brightness",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "brightness-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "columns",			IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "columns-default",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "copies",			IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "copies-default",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "document-format",		IPP_TAG_MIMETYPE,	IPP_TAG_OPERATION },
   { "finishings",		IPP_TAG_ENUM,		IPP_TAG_JOB },
   { "finishings-default",	IPP_TAG_ENUM,		IPP_TAG_PRINTER },
   { "fitplot",			IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
   { "fitplot-default",		IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
   { "gamma",			IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "gamma-default",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "hue",			IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "hue-default",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "job-k-limit",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "job-page-limit",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "job-priority",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "job-quota-period",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "job-uuid",			IPP_TAG_URI,		IPP_TAG_JOB },
   { "landscape",		IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
   { "media",			IPP_TAG_KEYWORD,	IPP_TAG_JOB },
   { "mirror",			IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
   { "mirror-default",		IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
   { "natural-scaling",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "natural-scaling-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "notify-charset",		IPP_TAG_CHARSET,	IPP_TAG_SUBSCRIPTION },
   { "notify-events",		IPP_TAG_KEYWORD,	IPP_TAG_SUBSCRIPTION },
   { "notify-lease-time",	IPP_TAG_INTEGER,	IPP_TAG_SUBSCRIPTION },
   { "notify-natural-language",	IPP_TAG_LANGUAGE,	IPP_TAG_SUBSCRIPTION },
   { "notify-pull-method",	IPP_TAG_KEYWORD,	IPP_TAG_SUBSCRIPTION },
   { "notify-recipient",		IPP_TAG_URI,		IPP_TAG_SUBSCRIPTION },
   { "notify-time-interval",	IPP_TAG_INTEGER,	IPP_TAG_SUBSCRIPTION },
   { "notify-user-data",		IPP_TAG_STRING,		IPP_TAG_SUBSCRIPTION },
   { "number-up",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "number-up-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "orientation-requested",	IPP_TAG_ENUM,		IPP_TAG_JOB },
   { "orientation-requested-default", IPP_TAG_ENUM,	IPP_TAG_PRINTER },
   { "page-bottom",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "page-bottom-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "page-left",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "page-left-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "page-ranges",		IPP_TAG_RANGE,		IPP_TAG_JOB },
   { "page-ranges-default",	IPP_TAG_RANGE,		IPP_TAG_PRINTER },
   { "page-right",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "page-right-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "page-top",			IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "page-top-default",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "penwidth",			IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "penwidth-default",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "ppi",			IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "ppi-default",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "prettyprint",		IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
   { "prettyprint-default",	IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
   { "printer-info",		IPP_TAG_TEXT,		IPP_TAG_PRINTER },
   { "printer-is-accepting-jobs",IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
   { "printer-is-shared",	IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
   { "printer-make-and-model",	IPP_TAG_TEXT,		IPP_TAG_PRINTER },
   { "printer-more-info",	IPP_TAG_URI,		IPP_TAG_PRINTER },
   { "printer-resolution",	IPP_TAG_RESOLUTION,	IPP_TAG_JOB },
   { "printer-state",		IPP_TAG_ENUM,		IPP_TAG_PRINTER },
   { "printer-state-change-time",IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "printer-state-reasons",	IPP_TAG_KEYWORD,	IPP_TAG_PRINTER },
   { "printer-type",		IPP_TAG_ENUM,		IPP_TAG_PRINTER },
   { "printer-uri",		IPP_TAG_URI,		IPP_TAG_OPERATION },
   { "print-quality",		IPP_TAG_ENUM,		IPP_TAG_JOB },
   { "print-quality-default",	IPP_TAG_ENUM,		IPP_TAG_PRINTER },
   { "queued-job-count",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "raw",			IPP_TAG_MIMETYPE,	IPP_TAG_OPERATION },
   { "resolution",		IPP_TAG_RESOLUTION,	IPP_TAG_JOB },
   { "resolution-default",	IPP_TAG_RESOLUTION,	IPP_TAG_PRINTER },
   { "saturation",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "saturation-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "scaling",			IPP_TAG_INTEGER,	IPP_TAG_JOB },
   { "scaling-default",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
   { "sides",			IPP_TAG_KEYWORD,	IPP_TAG_JOB },
   { "sides-default",		IPP_TAG_KEYWORD,	IPP_TAG_PRINTER },
   { "wrap",			IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
   { "wrap-default",		IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER }
 };


 /*
  * Local functions...
  */

 static int	compare_ipp_options(_ipp_option_t *a, _ipp_option_t *b);


 /*
  * 'cupsEncodeOptions()' - Encode printer options into IPP attributes.
  *
  * This function adds operation, job, and then subscription attributes,
  * in that order. Use the cupsEncodeOptions2() function to add attributes
  * for a single group.
  */

 void
 cupsEncodeOptions(ipp_t         *ipp,		/* I - Request to add to */
         	  int           num_options,	/* I - Number of options */
 		  cups_option_t *options)	/* I - Options */
 {
   DEBUG_printf(("cupsEncodeOptions(%p, %d, %p)\n", ipp, num_options, options));

  /*
   * Add the options in the proper groups & order...
   */

   cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_OPERATION);
   cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_JOB);
   cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_SUBSCRIPTION);
 }


 /*
  * 'cupsEncodeOptions2()' - Encode printer options into IPP attributes for a group.
  *
  * This function only adds attributes for a single group. Call this
  * function multiple times for each group, or use cupsEncodeOptions()
  * to add the standard groups.
  *
  * @since CUPS 1.2@
  */

 void
 cupsEncodeOptions2(
     ipp_t         *ipp,			/* I - Request to add to */
     int           num_options,		/* I - Number of options */
     cups_option_t *options,		/* I - Options */
     ipp_tag_t     group_tag)		/* I - Group to encode */
 {
   int		i, j;			/* Looping vars */
   int		count;			/* Number of values */
   char		*s,			/* Pointer into option value */
 		*val,			/* Pointer to option value */
 		*copy,			/* Copy of option value */
 		*sep;			/* Option separator */
   ipp_attribute_t *attr;		/* IPP attribute */
   ipp_tag_t	value_tag;		/* IPP value tag */
   cups_option_t	*option;		/* Current option */


   DEBUG_printf(("cupsEncodeOptions2(ipp=%p, num_options=%d, options=%p, "
                 "group_tag=%x)\n", ipp, num_options, options, group_tag));

  /*
   * Range check input...
   */

   if (!ipp || num_options < 1 || !options)
     return;

  /*
   * Do special handling for the document-format/raw options...
   */

   if (group_tag == IPP_TAG_OPERATION)
   {
    /*
     * Handle the document format stuff first...
     */

     if ((val = (char *)cupsGetOption("document-format", num_options, options)) != NULL)
       ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
         	   NULL, val);
     else if (cupsGetOption("raw", num_options, options))
       ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
         	   NULL, "application/vnd.cups-raw");
     else
       ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
         	   NULL, "application/octet-stream");
   }

  /*
   * Then loop through the options...
   */

   for (i = num_options, option = options; i > 0; i --, option ++)
   {
     _ipp_option_t	key,		/* Search key */
 			*match;		/* Matching attribute */


    /*
     * Skip document format options that are handled above...
     */

     if (!strcasecmp(option->name, "raw") ||
         !strcasecmp(option->name, "document-format") ||
 	!option->name[0])
       continue;

    /*
     * Figure out the proper value and group tags for this option...
     */

     key.name = option->name;
     match    = (_ipp_option_t *)bsearch(&key, ipp_options,
                                         sizeof(ipp_options) /
 					    sizeof(ipp_options[0]),
 					sizeof(ipp_options[0]),
 					(int (*)(const void *,
 					         const void *))
 				            compare_ipp_options);

     if (match)
     {
       if (match->group_tag != group_tag)
         continue;

       value_tag = match->value_tag;
     }
     else
     {
       int	namelen;		/* Length of name */


       namelen = strlen(option->name);

       if (namelen < 9 || strcmp(option->name + namelen - 8, "-default"))
       {
 	if (group_tag != IPP_TAG_JOB)
           continue;
       }
       else if (group_tag != IPP_TAG_PRINTER)
         continue;

       if (!strcasecmp(option->value, "true") ||
           !strcasecmp(option->value, "false"))
 	value_tag = IPP_TAG_BOOLEAN;
       else
 	value_tag = IPP_TAG_NAME;
     }

    /*
     * Count the number of values...
     */

     for (count = 1, sep = option->value; *sep; sep ++)
     {
       if (*sep == '\'')
       {
        /*
         * Skip quoted option value...
 	*/

         sep ++;

         while (*sep && *sep != '\'')
 	  sep ++;

 	if (!*sep)
 	  sep --;
       }
       else if (*sep == '\"')
       {
        /*
         * Skip quoted option value...
 	*/

         sep ++;

         while (*sep && *sep != '\"')
 	  sep ++;

 	if (!*sep)
 	  sep --;
       }
       else if (*sep == ',')
         count ++;
       else if (*sep == '\\' && sep[1])
         sep ++;
     }

     DEBUG_printf(("cupsEncodeOptions2: option = \'%s\', count = %d\n",
                   option->name, count));

    /*
     * Allocate memory for the attribute values...
     */

     if ((attr = _ippAddAttr(ipp, count)) == NULL)
     {
      /*
       * Ran out of memory!
       */

       DEBUG_puts("cupsEncodeOptions2: Ran out of memory for attributes!");
       return;
     }

    /*
     * Now figure out what type of value we have...
     */

     attr->group_tag = group_tag;
     attr->value_tag = value_tag;

    /*
     * Copy the name over...
     */

     if ((attr->name = strdup(option->name)) == NULL)
     {
      /*
       * Ran out of memory!
       */

       DEBUG_puts("cupsEncodeOptions2: Ran out of memory for name!");
       return;
     }

     if (count > 1)
     {
      /*
       * Make a copy of the value we can fiddle with...
       */

       if ((copy = strdup(option->value)) == NULL)
       {
        /*
 	* Ran out of memory!
 	*/

 	DEBUG_puts("cupsEncodeOptions2: Ran out of memory for value copy!");
 	return;
       }

       val = copy;
     }
     else
     {
      /*
       * Since we have a single value, use the value directly...
       */

       val  = option->value;
       copy = NULL;
     }

    /*
     * Scan the value string for values...
     */

     for (j = 0; j < count; val = sep, j ++)
     {
      /*
       * Find the end of this value and mark it if needed...
       */

       if ((sep = strchr(val, ',')) != NULL)
 	*sep++ = '\0';
       else
 	sep = val + strlen(val);

      /*
       * Copy the option value(s) over as needed by the type...
       */

       switch (attr->value_tag)
       {
 	case IPP_TAG_INTEGER :
 	case IPP_TAG_ENUM :
 	   /*
 	    * Integer/enumeration value...
 	    */

             attr->values[j].integer = strtol(val, &s, 0);

             DEBUG_printf(("cupsEncodeOptions2: Added integer option value %d...\n",
 	                  attr->values[j].integer));
             break;

 	case IPP_TAG_BOOLEAN :
 	    if (!strcasecmp(val, "true") ||
 	        !strcasecmp(val, "on") ||
 	        !strcasecmp(val, "yes"))
 	    {
 	     /*
 	      * Boolean value - true...
 	      */

 	      attr->values[j].boolean = 1;

               DEBUG_puts("cupsEncodeOptions2: Added boolean true value...");
 	    }
 	    else
 	    {
 	     /*
 	      * Boolean value - false...
 	      */

 	      attr->values[j].boolean = 0;

               DEBUG_puts("cupsEncodeOptions2: Added boolean false value...");
 	    }
             break;

 	case IPP_TAG_RANGE :
 	   /*
 	    * Range...
 	    */

             if (*val == '-')
 	    {
 	      attr->values[j].range.lower = 1;
 	      s = val;
 	    }
 	    else
 	      attr->values[j].range.lower = strtol(val, &s, 0);

 	    if (*s == '-')
 	    {
 	      if (s[1])
 		attr->values[j].range.upper = strtol(s + 1, NULL, 0);
 	      else
 		attr->values[j].range.upper = 2147483647;
             }
 	    else
 	      attr->values[j].range.upper = attr->values[j].range.lower;

 	    DEBUG_printf(("cupsEncodeOptions2: Added range option value %d-%d...\n",
                 	  attr->values[j].range.lower,
 			  attr->values[j].range.upper));
             break;

 	case IPP_TAG_RESOLUTION :
 	   /*
 	    * Resolution...
 	    */

 	    attr->values[j].resolution.xres = strtol(val, &s, 0);

 	    if (*s == 'x')
 	      attr->values[j].resolution.yres = strtol(s + 1, &s, 0);
 	    else
 	      attr->values[j].resolution.yres = attr->values[j].resolution.xres;

 	    if (!strcasecmp(s, "dpc"))
               attr->values[j].resolution.units = IPP_RES_PER_CM;
             else
               attr->values[j].resolution.units = IPP_RES_PER_INCH;

 	    DEBUG_printf(("cupsEncodeOptions2: Added resolution option value %s...\n",
                 	  val));
             break;

 	case IPP_TAG_STRING :
            /*
 	    * octet-string
 	    */

             attr->values[j].unknown.length = strlen(val);
 	    attr->values[j].unknown.data   = strdup(val);

             DEBUG_printf(("cupsEncodeOptions2: Added octet-string value \"%s\"...\n",
 	                  attr->values[j].unknown.data));
             break;

 	default :
             if ((attr->values[j].string.text = strdup(val)) == NULL)
 	    {
 	     /*
 	      * Ran out of memory!
 	      */

 	      DEBUG_puts("cupsEncodeOptions2: Ran out of memory for string!");
 	      return;
 	    }

 	    DEBUG_printf(("cupsEncodeOptions2: Added string value \"%s\"...\n",
 	                  val));
             break;
       }
     }
   }
 }


 /*
  * 'compare_ipp_options()' - Compare two IPP options.
  */

 static int				/* O - Result of comparison */
 compare_ipp_options(_ipp_option_t *a,	/* I - First option */
                     _ipp_option_t *b)	/* I - Second option */
 {
   return (strcmp(a->name, b->name));
 }


 /*
  * End of "$Id: encode.c 5230 2006-03-05 17:01:51Z mike $".
  */
	/*
	* "$Id: encode.c 5230 2006-03-05 17:01:51Z mike $"
	*
	* Option encoding routines for the Common UNIX Printing System (CUPS).
	*
	* Copyright 1997-2006 by Easy Software Products.
	*
	* These coded instructions, statements, and computer programs are the
	* property of Easy Software Products 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 missing or damaged please contact Easy Software Products
	* at:
	*
	* Attn: CUPS Licensing Information
	* Easy Software Products
	* 44141 Airport View Drive, Suite 204
	* Hollywood, Maryland 20636 USA
	*
	* Voice: (301) 373-9600
	* EMail: [email protected]
	* WWW: http://www.cups.org
	*
	* This file is subject to the Apple OS-Developed Software exception.
	*
	* Contents:
	*
	* cupsEncodeOptions() - Encode printer options into IPP attributes.
	* cupsEncodeOptions2() - Encode printer options into IPP attributes for
	* a group.
	* compare_ipp_options() - Compare two IPP options.
	*/

	/*
	* Include necessary headers...
	*/

	#include "cups.h"
	#include "ipp-private.h"
	#include <stdlib.h>
	#include <ctype.h>
	#include "string.h"
	#include "debug.h"


	/*
	* Local list of option names and the value tags they should use...
	*
	* ** THIS LIST MUST BE SORTED **
	*/

	typedef struct
	{
	const char *name;
	ipp_tag_t value_tag;
	ipp_tag_t group_tag;
	} _ipp_option_t;

	static const _ipp_option_t ipp_options[] =
	{
	{ "blackplot", IPP_TAG_BOOLEAN, IPP_TAG_JOB },
	{ "blackplot-default", IPP_TAG_BOOLEAN, IPP_TAG_PRINTER },
	{ "brightness", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "brightness-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "columns", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "columns-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "copies", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "copies-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "document-format", IPP_TAG_MIMETYPE, IPP_TAG_OPERATION },
	{ "finishings", IPP_TAG_ENUM, IPP_TAG_JOB },
	{ "finishings-default", IPP_TAG_ENUM, IPP_TAG_PRINTER },
	{ "fitplot", IPP_TAG_BOOLEAN, IPP_TAG_JOB },
	{ "fitplot-default", IPP_TAG_BOOLEAN, IPP_TAG_PRINTER },
	{ "gamma", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "gamma-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "hue", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "hue-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "job-k-limit", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "job-page-limit", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "job-priority", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "job-quota-period", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "job-uuid", IPP_TAG_URI, IPP_TAG_JOB },
	{ "landscape", IPP_TAG_BOOLEAN, IPP_TAG_JOB },
	{ "media", IPP_TAG_KEYWORD, IPP_TAG_JOB },
	{ "mirror", IPP_TAG_BOOLEAN, IPP_TAG_JOB },
	{ "mirror-default", IPP_TAG_BOOLEAN, IPP_TAG_PRINTER },
	{ "natural-scaling", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "natural-scaling-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "notify-charset", IPP_TAG_CHARSET, IPP_TAG_SUBSCRIPTION },
	{ "notify-events", IPP_TAG_KEYWORD, IPP_TAG_SUBSCRIPTION },
	{ "notify-lease-time", IPP_TAG_INTEGER, IPP_TAG_SUBSCRIPTION },
	{ "notify-natural-language", IPP_TAG_LANGUAGE, IPP_TAG_SUBSCRIPTION },
	{ "notify-pull-method", IPP_TAG_KEYWORD, IPP_TAG_SUBSCRIPTION },
	{ "notify-recipient", IPP_TAG_URI, IPP_TAG_SUBSCRIPTION },
	{ "notify-time-interval", IPP_TAG_INTEGER, IPP_TAG_SUBSCRIPTION },
	{ "notify-user-data", IPP_TAG_STRING, IPP_TAG_SUBSCRIPTION },
	{ "number-up", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "number-up-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "orientation-requested", IPP_TAG_ENUM, IPP_TAG_JOB },
	{ "orientation-requested-default", IPP_TAG_ENUM, IPP_TAG_PRINTER },
	{ "page-bottom", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "page-bottom-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "page-left", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "page-left-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "page-ranges", IPP_TAG_RANGE, IPP_TAG_JOB },
	{ "page-ranges-default", IPP_TAG_RANGE, IPP_TAG_PRINTER },
	{ "page-right", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "page-right-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "page-top", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "page-top-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "penwidth", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "penwidth-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "ppi", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "ppi-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "prettyprint", IPP_TAG_BOOLEAN, IPP_TAG_JOB },
	{ "prettyprint-default", IPP_TAG_BOOLEAN, IPP_TAG_PRINTER },
	{ "printer-info", IPP_TAG_TEXT, IPP_TAG_PRINTER },
	{ "printer-is-accepting-jobs",IPP_TAG_BOOLEAN, IPP_TAG_PRINTER },
	{ "printer-is-shared", IPP_TAG_BOOLEAN, IPP_TAG_PRINTER },
	{ "printer-make-and-model", IPP_TAG_TEXT, IPP_TAG_PRINTER },
	{ "printer-more-info", IPP_TAG_URI, IPP_TAG_PRINTER },
	{ "printer-resolution", IPP_TAG_RESOLUTION, IPP_TAG_JOB },
	{ "printer-state", IPP_TAG_ENUM, IPP_TAG_PRINTER },
	{ "printer-state-change-time",IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "printer-state-reasons", IPP_TAG_KEYWORD, IPP_TAG_PRINTER },
	{ "printer-type", IPP_TAG_ENUM, IPP_TAG_PRINTER },
	{ "printer-uri", IPP_TAG_URI, IPP_TAG_OPERATION },
	{ "print-quality", IPP_TAG_ENUM, IPP_TAG_JOB },
	{ "print-quality-default", IPP_TAG_ENUM, IPP_TAG_PRINTER },
	{ "queued-job-count", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "raw", IPP_TAG_MIMETYPE, IPP_TAG_OPERATION },
	{ "resolution", IPP_TAG_RESOLUTION, IPP_TAG_JOB },
	{ "resolution-default", IPP_TAG_RESOLUTION, IPP_TAG_PRINTER },
	{ "saturation", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "saturation-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "scaling", IPP_TAG_INTEGER, IPP_TAG_JOB },
	{ "scaling-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
	{ "sides", IPP_TAG_KEYWORD, IPP_TAG_JOB },
	{ "sides-default", IPP_TAG_KEYWORD, IPP_TAG_PRINTER },
	{ "wrap", IPP_TAG_BOOLEAN, IPP_TAG_JOB },
	{ "wrap-default", IPP_TAG_BOOLEAN, IPP_TAG_PRINTER }
	};


	/*
	* Local functions...
	*/

	static int compare_ipp_options(_ipp_option_t a, _ipp_option_t b);


	/*
	* 'cupsEncodeOptions()' - Encode printer options into IPP attributes.
	*
	* This function adds operation, job, and then subscription attributes,
	* in that order. Use the cupsEncodeOptions2() function to add attributes
	* for a single group.
	*/

	void
	cupsEncodeOptions(ipp_t ipp, / I - Request to add to */
	int num_options, /* I - Number of options */
	cups_option_t options) / I - Options */
	{
	DEBUG_printf(("cupsEncodeOptions(%p, %d, %p)\n", ipp, num_options, options));

	/*
	* Add the options in the proper groups & order...
	*/

	cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_OPERATION);
	cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_JOB);
	cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_SUBSCRIPTION);
	}


	/*
	* 'cupsEncodeOptions2()' - Encode printer options into IPP attributes for a group.
	*
	* This function only adds attributes for a single group. Call this
	* function multiple times for each group, or use cupsEncodeOptions()
	* to add the standard groups.
	*
	* @since CUPS 1.2@
	*/

	void
	cupsEncodeOptions2(
	ipp_t ipp, / I - Request to add to */
	int num_options, /* I - Number of options */
	cups_option_t options, / I - Options */
	ipp_tag_t group_tag) /* I - Group to encode */
	{
	int i, j; /* Looping vars */
	int count; /* Number of values */
	char s, / Pointer into option value */
	val, / Pointer to option value */
	copy, / Copy of option value */
	sep; / Option separator */
	ipp_attribute_t attr; / IPP attribute */
	ipp_tag_t value_tag; /* IPP value tag */
	cups_option_t option; / Current option */


	DEBUG_printf(("cupsEncodeOptions2(ipp=%p, num_options=%d, options=%p, "
	"group_tag=%x)\n", ipp, num_options, options, group_tag));

	/*
	* Range check input...
	*/

	if (!ipp \|\| num_options < 1 \|\| !options)
	return;

	/*
	* Do special handling for the document-format/raw options...
	*/

	if (group_tag == IPP_TAG_OPERATION)
	{
	/*
	* Handle the document format stuff first...
	*/

	if ((val = (char *)cupsGetOption("document-format", num_options, options)) != NULL)
	ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
	NULL, val);
	else if (cupsGetOption("raw", num_options, options))
	ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
	NULL, "application/vnd.cups-raw");
	else
	ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
	NULL, "application/octet-stream");
	}

	/*
	* Then loop through the options...
	*/

	for (i = num_options, option = options; i > 0; i --, option ++)
	{
	_ipp_option_t key, /* Search key */
	match; / Matching attribute */


	/*
	* Skip document format options that are handled above...
	*/

	if (!strcasecmp(option->name, "raw") \|\|
	!strcasecmp(option->name, "document-format") \|\|
	!option->name[0])
	continue;

	/*
	* Figure out the proper value and group tags for this option...
	*/

	key.name = option->name;
	match = (_ipp_option_t *)bsearch(&key, ipp_options,
	sizeof(ipp_options) /
	sizeof(ipp_options[0]),
	sizeof(ipp_options[0]),
	(int ()(const void ,
	const void *))
	compare_ipp_options);

	if (match)
	{
	if (match->group_tag != group_tag)
	continue;

	value_tag = match->value_tag;
	}
	else
	{
	int namelen; /* Length of name */


	namelen = strlen(option->name);

	if (namelen < 9 \|\| strcmp(option->name + namelen - 8, "-default"))
	{
	if (group_tag != IPP_TAG_JOB)
	continue;
	}
	else if (group_tag != IPP_TAG_PRINTER)
	continue;

	if (!strcasecmp(option->value, "true") \|\|
	!strcasecmp(option->value, "false"))
	value_tag = IPP_TAG_BOOLEAN;
	else
	value_tag = IPP_TAG_NAME;
	}

	/*
	* Count the number of values...
	*/

	for (count = 1, sep = option->value; *sep; sep ++)
	{
	if (*sep == '\'')
	{
	/*
	* Skip quoted option value...
	*/

	sep ++;

	while (sep && sep != '\'')
	sep ++;

	if (!*sep)
	sep --;
	}
	else if (*sep == '\"')
	{
	/*
	* Skip quoted option value...
	*/

	sep ++;

	while (sep && sep != '\"')
	sep ++;

	if (!*sep)
	sep --;
	}
	else if (*sep == ',')
	count ++;
	else if (*sep == '\\' && sep[1])
	sep ++;
	}

	DEBUG_printf(("cupsEncodeOptions2: option = \'%s\', count = %d\n",
	option->name, count));

	/*
	* Allocate memory for the attribute values...
	*/

	if ((attr = _ippAddAttr(ipp, count)) == NULL)
	{
	/*
	* Ran out of memory!
	*/

	DEBUG_puts("cupsEncodeOptions2: Ran out of memory for attributes!");
	return;
	}

	/*
	* Now figure out what type of value we have...
	*/

	attr->group_tag = group_tag;
	attr->value_tag = value_tag;

	/*
	* Copy the name over...
	*/

	if ((attr->name = strdup(option->name)) == NULL)
	{
	/*
	* Ran out of memory!
	*/

	DEBUG_puts("cupsEncodeOptions2: Ran out of memory for name!");
	return;
	}

	if (count > 1)
	{
	/*
	* Make a copy of the value we can fiddle with...
	*/

	if ((copy = strdup(option->value)) == NULL)
	{
	/*
	* Ran out of memory!
	*/

	DEBUG_puts("cupsEncodeOptions2: Ran out of memory for value copy!");
	return;
	}

	val = copy;
	}
	else
	{
	/*
	* Since we have a single value, use the value directly...
	*/

	val = option->value;
	copy = NULL;
	}

	/*
	* Scan the value string for values...
	*/

	for (j = 0; j < count; val = sep, j ++)
	{
	/*
	* Find the end of this value and mark it if needed...
	*/

	if ((sep = strchr(val, ',')) != NULL)
	*sep++ = '\0';
	else
	sep = val + strlen(val);

	/*
	* Copy the option value(s) over as needed by the type...
	*/

	switch (attr->value_tag)
	{
	case IPP_TAG_INTEGER :
	case IPP_TAG_ENUM :
	/*
	* Integer/enumeration value...
	*/

	attr->values[j].integer = strtol(val, &s, 0);

	DEBUG_printf(("cupsEncodeOptions2: Added integer option value %d...\n",
	attr->values[j].integer));
	break;

	case IPP_TAG_BOOLEAN :
	if (!strcasecmp(val, "true") \|\|
	!strcasecmp(val, "on") \|\|
	!strcasecmp(val, "yes"))
	{
	/*
	* Boolean value - true...
	*/

	attr->values[j].boolean = 1;

	DEBUG_puts("cupsEncodeOptions2: Added boolean true value...");
	}
	else
	{
	/*
	* Boolean value - false...
	*/

	attr->values[j].boolean = 0;

	DEBUG_puts("cupsEncodeOptions2: Added boolean false value...");
	}
	break;

	case IPP_TAG_RANGE :
	/*
	* Range...
	*/

	if (*val == '-')
	{
	attr->values[j].range.lower = 1;
	s = val;
	}
	else
	attr->values[j].range.lower = strtol(val, &s, 0);

	if (*s == '-')
	{
	if (s[1])
	attr->values[j].range.upper = strtol(s + 1, NULL, 0);
	else
	attr->values[j].range.upper = 2147483647;
	}
	else
	attr->values[j].range.upper = attr->values[j].range.lower;

	DEBUG_printf(("cupsEncodeOptions2: Added range option value %d-%d...\n",
	attr->values[j].range.lower,
	attr->values[j].range.upper));
	break;

	case IPP_TAG_RESOLUTION :
	/*
	* Resolution...
	*/

	attr->values[j].resolution.xres = strtol(val, &s, 0);

	if (*s == 'x')
	attr->values[j].resolution.yres = strtol(s + 1, &s, 0);
	else
	attr->values[j].resolution.yres = attr->values[j].resolution.xres;

	if (!strcasecmp(s, "dpc"))
	attr->values[j].resolution.units = IPP_RES_PER_CM;
	else
	attr->values[j].resolution.units = IPP_RES_PER_INCH;

	DEBUG_printf(("cupsEncodeOptions2: Added resolution option value %s...\n",
	val));
	break;

	case IPP_TAG_STRING :
	/*
	* octet-string
	*/

	attr->values[j].unknown.length = strlen(val);
	attr->values[j].unknown.data = strdup(val);

	DEBUG_printf(("cupsEncodeOptions2: Added octet-string value \"%s\"...\n",
	attr->values[j].unknown.data));
	break;

	default :
	if ((attr->values[j].string.text = strdup(val)) == NULL)
	{
	/*
	* Ran out of memory!
	*/

	DEBUG_puts("cupsEncodeOptions2: Ran out of memory for string!");
	return;
	}

	DEBUG_printf(("cupsEncodeOptions2: Added string value \"%s\"...\n",
	val));
	break;
	}
	}
	}
	}


	/*
	* 'compare_ipp_options()' - Compare two IPP options.
	*/

	static int /* O - Result of comparison */
	compare_ipp_options(_ipp_option_t a, / I - First option */
	_ipp_option_t b) / I - Second option */
	{
	return (strcmp(a->name, b->name));
	}


	/*
	* End of "$Id: encode.c 5230 2006-03-05 17:01:51Z mike $".
	*/