1 /*
2  * "$Id: encode.c 9258 2010-08-13 01:34:04Z mike $"
3  *
4  *   Option encoding routines for the Common UNIX Printing System (CUPS).
5  *
6  *   Copyright 2007-2009 by Apple Inc.
7  *   Copyright 1997-2007 by Easy Software Products.
8  *
9  *   These coded instructions, statements, and computer programs are the
10  *   property of Apple Inc. and are protected by Federal copyright
11  *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
12  *   which should have been included with this file.  If this file is
13  *   file is missing or damaged, see the license at "http://www.cups.org/".
14  *
15  *   This file is subject to the Apple OS-Developed Software exception.
16  *
17  * Contents:
18  *
19  *   cupsEncodeOptions()   - Encode printer options into IPP attributes.
20  *   cupsEncodeOptions2()  - Encode printer options into IPP attributes for
21  *                           a group.
22  *   _ippFindOption()      - Find the attribute information for an option.
23  *   compare_ipp_options() - Compare two IPP options.
24  */
25 
26 /*
27  * Include necessary headers...
28  */
29 
30 #include "cups.h"
31 #include "ipp-private.h"
32 #include <stdlib.h>
33 #include <ctype.h>
34 #include "string.h"
35 #include "debug.h"
36 
37 
38 /*
39  * Local list of option names and the value tags they should use...
40  *
41  * **** THIS LIST MUST BE SORTED ****
42  */
43 
44 static const _ipp_option_t ipp_options[] =
45 {
46   { 1, "auth-info",		IPP_TAG_TEXT,		IPP_TAG_JOB },
47   { 1, "auth-info-required",	IPP_TAG_KEYWORD,	IPP_TAG_PRINTER },
48   { 0, "blackplot",		IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
49   { 0, "blackplot-default",	IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
50   { 0, "brightness",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
51   { 0, "brightness-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
52   { 0, "columns",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
53   { 0, "columns-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
54   { 0, "compression",		IPP_TAG_KEYWORD,	IPP_TAG_OPERATION },
55   { 0, "copies",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
56   { 0, "copies-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
57   { 0, "device-uri",		IPP_TAG_URI,		IPP_TAG_PRINTER },
58   { 0, "document-format",	IPP_TAG_MIMETYPE,	IPP_TAG_OPERATION },
59   { 0, "document-format-default", IPP_TAG_MIMETYPE,	IPP_TAG_PRINTER },
60   { 1, "exclude-schemes",	IPP_TAG_NAME,		IPP_TAG_OPERATION },
61   { 1, "finishings",		IPP_TAG_ENUM,		IPP_TAG_JOB },
62   { 1, "finishings-default",	IPP_TAG_ENUM,		IPP_TAG_PRINTER },
63   { 0, "fit-to-page",		IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
64   { 0, "fit-to-page-default",	IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
65   { 0, "fitplot",		IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
66   { 0, "fitplot-default",	IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
67   { 0, "gamma",			IPP_TAG_INTEGER,	IPP_TAG_JOB },
68   { 0, "gamma-default",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
69   { 0, "hue",			IPP_TAG_INTEGER,	IPP_TAG_JOB },
70   { 0, "hue-default",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
71   { 1, "include-schemes",	IPP_TAG_NAME,		IPP_TAG_OPERATION },
72   { 0, "job-impressions",	IPP_TAG_INTEGER,	IPP_TAG_JOB },
73   { 0, "job-k-limit",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
74   { 0, "job-page-limit",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
75   { 0, "job-priority",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
76   { 0, "job-quota-period",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
77   { 1, "job-sheets",		IPP_TAG_NAME,		IPP_TAG_JOB },
78   { 1, "job-sheets-default",	IPP_TAG_NAME,		IPP_TAG_PRINTER },
79   { 0, "job-uuid",		IPP_TAG_URI,		IPP_TAG_JOB },
80   { 0, "landscape",		IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
81   { 1, "marker-change-time",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
82   { 1, "marker-colors",		IPP_TAG_NAME,		IPP_TAG_PRINTER },
83   { 1, "marker-high-levels",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
84   { 1, "marker-levels",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
85   { 1, "marker-low-levels",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
86   { 0, "marker-message",	IPP_TAG_TEXT,		IPP_TAG_PRINTER },
87   { 1, "marker-names",		IPP_TAG_NAME,		IPP_TAG_PRINTER },
88   { 1, "marker-types",		IPP_TAG_KEYWORD,	IPP_TAG_PRINTER },
89   { 1, "media",			IPP_TAG_KEYWORD,	IPP_TAG_JOB },
90   { 0, "media-col",		IPP_TAG_BEGIN_COLLECTION, IPP_TAG_JOB },
91   { 0, "media-col-default",	IPP_TAG_BEGIN_COLLECTION, IPP_TAG_PRINTER },
92   { 0, "media-color",		IPP_TAG_KEYWORD,	IPP_TAG_JOB },
93   { 1, "media-default",		IPP_TAG_KEYWORD,	IPP_TAG_PRINTER },
94   { 0, "media-key",		IPP_TAG_KEYWORD,	IPP_TAG_JOB },
95   { 0, "media-size",		IPP_TAG_BEGIN_COLLECTION, IPP_TAG_JOB },
96   { 0, "media-type",		IPP_TAG_KEYWORD,	IPP_TAG_JOB },
97   { 0, "mirror",		IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
98   { 0, "mirror-default",	IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
99   { 0, "natural-scaling",	IPP_TAG_INTEGER,	IPP_TAG_JOB },
100   { 0, "natural-scaling-default", IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
101   { 0, "notify-charset",	IPP_TAG_CHARSET,	IPP_TAG_SUBSCRIPTION },
102   { 1, "notify-events",		IPP_TAG_KEYWORD,	IPP_TAG_SUBSCRIPTION },
103   { 1, "notify-events-default",	IPP_TAG_KEYWORD,	IPP_TAG_PRINTER },
104   { 0, "notify-lease-duration",	IPP_TAG_INTEGER,	IPP_TAG_SUBSCRIPTION },
105   { 0, "notify-lease-duration-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
106   { 0, "notify-natural-language", IPP_TAG_LANGUAGE,	IPP_TAG_SUBSCRIPTION },
107   { 0, "notify-pull-method",	IPP_TAG_KEYWORD,	IPP_TAG_SUBSCRIPTION },
108   { 0, "notify-recipient-uri",	IPP_TAG_URI,		IPP_TAG_SUBSCRIPTION },
109   { 0, "notify-time-interval",	IPP_TAG_INTEGER,	IPP_TAG_SUBSCRIPTION },
110   { 0, "notify-user-data",	IPP_TAG_STRING,		IPP_TAG_SUBSCRIPTION },
111   { 0, "number-up",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
112   { 0, "number-up-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
113   { 0, "orientation-requested",	IPP_TAG_ENUM,		IPP_TAG_JOB },
114   { 0, "orientation-requested-default", IPP_TAG_ENUM,	IPP_TAG_PRINTER },
115   { 0, "page-bottom",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
116   { 0, "page-bottom-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
117   { 0, "page-left",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
118   { 0, "page-left-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
119   { 1, "page-ranges",		IPP_TAG_RANGE,		IPP_TAG_JOB },
120   { 1, "page-ranges-default",	IPP_TAG_RANGE,		IPP_TAG_PRINTER },
121   { 0, "page-right",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
122   { 0, "page-right-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
123   { 0, "page-top",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
124   { 0, "page-top-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
125   { 0, "penwidth",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
126   { 0, "penwidth-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
127   { 0, "port-monitor",		IPP_TAG_NAME,		IPP_TAG_PRINTER },
128   { 0, "ppd-name",		IPP_TAG_NAME,		IPP_TAG_PRINTER },
129   { 0, "ppi",			IPP_TAG_INTEGER,	IPP_TAG_JOB },
130   { 0, "ppi-default",		IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
131   { 0, "prettyprint",		IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
132   { 0, "prettyprint-default",	IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
133   { 0, "print-quality",		IPP_TAG_ENUM,		IPP_TAG_JOB },
134   { 0, "print-quality-default",	IPP_TAG_ENUM,		IPP_TAG_PRINTER },
135   { 1, "printer-commands",	IPP_TAG_KEYWORD,	IPP_TAG_PRINTER },
136   { 0, "printer-error-policy",	IPP_TAG_NAME,		IPP_TAG_PRINTER },
137   { 0, "printer-info",		IPP_TAG_TEXT,		IPP_TAG_PRINTER },
138   { 0, "printer-is-accepting-jobs", IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
139   { 0, "printer-is-shared",	IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
140   { 0, "printer-location",	IPP_TAG_TEXT,		IPP_TAG_PRINTER },
141   { 0, "printer-make-and-model", IPP_TAG_TEXT,		IPP_TAG_PRINTER },
142   { 0, "printer-more-info",	IPP_TAG_URI,		IPP_TAG_PRINTER },
143   { 0, "printer-op-policy",	IPP_TAG_NAME,		IPP_TAG_PRINTER },
144   { 0, "printer-resolution",	IPP_TAG_RESOLUTION,	IPP_TAG_JOB },
145   { 0, "printer-state",		IPP_TAG_ENUM,		IPP_TAG_PRINTER },
146   { 0, "printer-state-change-time", IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
147   { 1, "printer-state-reasons",	IPP_TAG_KEYWORD,	IPP_TAG_PRINTER },
148   { 0, "printer-type",		IPP_TAG_ENUM,		IPP_TAG_PRINTER },
149   { 0, "printer-uri",		IPP_TAG_URI,		IPP_TAG_OPERATION },
150   { 1, "printer-uri-supported",	IPP_TAG_URI,		IPP_TAG_PRINTER },
151   { 0, "queued-job-count",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
152   { 0, "raw",			IPP_TAG_MIMETYPE,	IPP_TAG_OPERATION },
153   { 1, "requested-attributes",	IPP_TAG_NAME,		IPP_TAG_OPERATION },
154   { 1, "requesting-user-name-allowed", IPP_TAG_NAME,	IPP_TAG_PRINTER },
155   { 1, "requesting-user-name-denied", IPP_TAG_NAME,	IPP_TAG_PRINTER },
156   { 0, "resolution",		IPP_TAG_RESOLUTION,	IPP_TAG_JOB },
157   { 0, "resolution-default",	IPP_TAG_RESOLUTION,	IPP_TAG_PRINTER },
158   { 0, "saturation",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
159   { 0, "saturation-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
160   { 0, "scaling",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
161   { 0, "scaling-default",	IPP_TAG_INTEGER,	IPP_TAG_PRINTER },
162   { 0, "sides",			IPP_TAG_KEYWORD,	IPP_TAG_JOB },
163   { 0, "sides-default",		IPP_TAG_KEYWORD,	IPP_TAG_PRINTER },
164   { 0, "wrap",			IPP_TAG_BOOLEAN,	IPP_TAG_JOB },
165   { 0, "wrap-default",		IPP_TAG_BOOLEAN,	IPP_TAG_PRINTER },
166   { 0, "x-dimension",		IPP_TAG_INTEGER,	IPP_TAG_JOB },
167   { 0, "y-dimension",		IPP_TAG_INTEGER,	IPP_TAG_JOB }
168 };
169 
170 
171 /*
172  * Local functions...
173  */
174 
175 static int	compare_ipp_options(_ipp_option_t *a, _ipp_option_t *b);
176 
177 
178 /*
179  * 'cupsEncodeOptions()' - Encode printer options into IPP attributes.
180  *
181  * This function adds operation, job, and then subscription attributes,
182  * in that order. Use the cupsEncodeOptions2() function to add attributes
183  * for a single group.
184  */
185 
186 void
cupsEncodeOptions(ipp_t * ipp,int num_options,cups_option_t * options)187 cupsEncodeOptions(ipp_t         *ipp,		/* I - Request to add to */
188         	  int           num_options,	/* I - Number of options */
189 		  cups_option_t *options)	/* I - Options */
190 {
191   DEBUG_printf(("cupsEncodeOptions(%p, %d, %p)", ipp, num_options, options));
192 
193  /*
194   * Add the options in the proper groups & order...
195   */
196 
197   cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_OPERATION);
198   cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_JOB);
199   cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_SUBSCRIPTION);
200 }
201 
202 
203 /*
204  * 'cupsEncodeOptions2()' - Encode printer options into IPP attributes for a group.
205  *
206  * This function only adds attributes for a single group. Call this
207  * function multiple times for each group, or use cupsEncodeOptions()
208  * to add the standard groups.
209  *
210  * @since CUPS 1.2/Mac OS X 10.5@
211  */
212 
213 void
cupsEncodeOptions2(ipp_t * ipp,int num_options,cups_option_t * options,ipp_tag_t group_tag)214 cupsEncodeOptions2(
215     ipp_t         *ipp,			/* I - Request to add to */
216     int           num_options,		/* I - Number of options */
217     cups_option_t *options,		/* I - Options */
218     ipp_tag_t     group_tag)		/* I - Group to encode */
219 {
220   int		i, j;			/* Looping vars */
221   int		count;			/* Number of values */
222   char		*s,			/* Pointer into option value */
223 		*val,			/* Pointer to option value */
224 		*copy,			/* Copy of option value */
225 		*sep,			/* Option separator */
226 		quote;			/* Quote character */
227   ipp_attribute_t *attr;		/* IPP attribute */
228   ipp_tag_t	value_tag;		/* IPP value tag */
229   cups_option_t	*option;		/* Current option */
230   ipp_t		*collection;		/* Collection value */
231   int		num_cols;		/* Number of collection values */
232   cups_option_t	*cols;			/* Collection values */
233 
234 
235   DEBUG_printf(("cupsEncodeOptions2(ipp=%p, num_options=%d, options=%p, "
236                 "group_tag=%x)", ipp, num_options, options, group_tag));
237 
238  /*
239   * Range check input...
240   */
241 
242   if (!ipp || num_options < 1 || !options)
243     return;
244 
245  /*
246   * Do special handling for the document-format/raw options...
247   */
248 
249   if (group_tag == IPP_TAG_OPERATION)
250   {
251    /*
252     * Handle the document format stuff first...
253     */
254 
255     if ((val = (char *)cupsGetOption("document-format", num_options, options)) != NULL)
256       ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
257         	   NULL, val);
258     else if (cupsGetOption("raw", num_options, options))
259       ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
260         	   NULL, "application/vnd.cups-raw");
261     else
262       ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
263         	   NULL, "application/octet-stream");
264   }
265 
266  /*
267   * Then loop through the options...
268   */
269 
270   for (i = num_options, option = options; i > 0; i --, option ++)
271   {
272     _ipp_option_t	*match;		/* Matching attribute */
273 
274 
275    /*
276     * Skip document format options that are handled above...
277     */
278 
279     if (!strcasecmp(option->name, "raw") ||
280         !strcasecmp(option->name, "document-format") ||
281 	!option->name[0])
282       continue;
283 
284    /*
285     * Figure out the proper value and group tags for this option...
286     */
287 
288     if ((match = _ippFindOption(option->name)) != NULL)
289     {
290       if (match->group_tag != group_tag)
291         continue;
292 
293       value_tag = match->value_tag;
294     }
295     else
296     {
297       int	namelen;		/* Length of name */
298 
299 
300       namelen = (int)strlen(option->name);
301 
302       if (namelen < 9 || strcmp(option->name + namelen - 8, "-default"))
303       {
304 	if (group_tag != IPP_TAG_JOB)
305           continue;
306       }
307       else if (group_tag != IPP_TAG_PRINTER)
308         continue;
309 
310       if (!strcasecmp(option->value, "true") ||
311           !strcasecmp(option->value, "false"))
312 	value_tag = IPP_TAG_BOOLEAN;
313       else
314 	value_tag = IPP_TAG_NAME;
315     }
316 
317    /*
318     * Count the number of values...
319     */
320 
321     if (match && match->multivalue)
322     {
323       for (count = 1, sep = option->value, quote = 0; *sep; sep ++)
324       {
325 	if (*sep == quote)
326 	  quote = 0;
327 	else if (!quote && (*sep == '\'' || *sep == '\"'))
328 	{
329 	 /*
330 	  * Skip quoted option value...
331 	  */
332 
333 	  quote = *sep++;
334 	}
335 	else if (*sep == ',' && !quote)
336 	  count ++;
337 	else if (*sep == '\\' && sep[1])
338 	  sep ++;
339       }
340     }
341     else
342       count = 1;
343 
344     DEBUG_printf(("2cupsEncodeOptions2: option=\"%s\", count=%d",
345                   option->name, count));
346 
347    /*
348     * Allocate memory for the attribute values...
349     */
350 
351     if ((attr = _ippAddAttr(ipp, count)) == NULL)
352     {
353      /*
354       * Ran out of memory!
355       */
356 
357       DEBUG_puts("1cupsEncodeOptions2: Ran out of memory for attributes!");
358       return;
359     }
360 
361    /*
362     * Now figure out what type of value we have...
363     */
364 
365     attr->group_tag = group_tag;
366     attr->value_tag = value_tag;
367 
368    /*
369     * Copy the name over...
370     */
371 
372     attr->name = _cupsStrAlloc(option->name);
373 
374     if (count > 1)
375     {
376      /*
377       * Make a copy of the value we can fiddle with...
378       */
379 
380       if ((copy = strdup(option->value)) == NULL)
381       {
382        /*
383 	* Ran out of memory!
384 	*/
385 
386 	DEBUG_puts("1cupsEncodeOptions2: Ran out of memory for value copy!");
387 	ippDeleteAttribute(ipp, attr);
388 	return;
389       }
390 
391       val = copy;
392     }
393     else
394     {
395      /*
396       * Since we have a single value, use the value directly...
397       */
398 
399       val  = option->value;
400       copy = NULL;
401     }
402 
403    /*
404     * Scan the value string for values...
405     */
406 
407     for (j = 0, sep = val; j < count; val = sep, j ++)
408     {
409      /*
410       * Find the end of this value and mark it if needed...
411       */
412 
413       if (count > 1)
414       {
415 	for (quote = 0; *sep; sep ++)
416 	{
417 	  if (*sep == quote)
418 	  {
419 	   /*
420 	    * Finish quoted value...
421 	    */
422 
423 	    quote = 0;
424 	  }
425 	  else if (!quote && (*sep == '\'' || *sep == '\"'))
426 	  {
427 	   /*
428 	    * Handle quoted option value...
429 	    */
430 
431 	    quote = *sep;
432 	  }
433 	  else if (*sep == ',' && count > 1)
434 	    break;
435 	  else if (*sep == '\\' && sep[1])
436 	  {
437 	   /*
438 	    * Skip quoted character...
439 	    */
440 
441 	    sep ++;
442 	  }
443 	}
444 
445 	if (*sep == ',')
446 	  *sep++ = '\0';
447       }
448 
449      /*
450       * Copy the option value(s) over as needed by the type...
451       */
452 
453       switch (attr->value_tag)
454       {
455 	case IPP_TAG_INTEGER :
456 	case IPP_TAG_ENUM :
457 	   /*
458 	    * Integer/enumeration value...
459 	    */
460 
461             attr->values[j].integer = strtol(val, &s, 10);
462 
463             DEBUG_printf(("2cupsEncodeOptions2: Added integer option value "
464 	                  "%d...", attr->values[j].integer));
465             break;
466 
467 	case IPP_TAG_BOOLEAN :
468 	    if (!strcasecmp(val, "true") ||
469 	        !strcasecmp(val, "on") ||
470 	        !strcasecmp(val, "yes"))
471 	    {
472 	     /*
473 	      * Boolean value - true...
474 	      */
475 
476 	      attr->values[j].boolean = 1;
477 
478               DEBUG_puts("2cupsEncodeOptions2: Added boolean true value...");
479 	    }
480 	    else
481 	    {
482 	     /*
483 	      * Boolean value - false...
484 	      */
485 
486 	      attr->values[j].boolean = 0;
487 
488               DEBUG_puts("2cupsEncodeOptions2: Added boolean false value...");
489 	    }
490             break;
491 
492 	case IPP_TAG_RANGE :
493 	   /*
494 	    * Range...
495 	    */
496 
497             if (*val == '-')
498 	    {
499 	      attr->values[j].range.lower = 1;
500 	      s = val;
501 	    }
502 	    else
503 	      attr->values[j].range.lower = strtol(val, &s, 10);
504 
505 	    if (*s == '-')
506 	    {
507 	      if (s[1])
508 		attr->values[j].range.upper = strtol(s + 1, NULL, 10);
509 	      else
510 		attr->values[j].range.upper = 2147483647;
511             }
512 	    else
513 	      attr->values[j].range.upper = attr->values[j].range.lower;
514 
515 	    DEBUG_printf(("2cupsEncodeOptions2: Added range option value "
516 	                  "%d-%d...", attr->values[j].range.lower,
517 			  attr->values[j].range.upper));
518             break;
519 
520 	case IPP_TAG_RESOLUTION :
521 	   /*
522 	    * Resolution...
523 	    */
524 
525 	    attr->values[j].resolution.xres = strtol(val, &s, 10);
526 
527 	    if (*s == 'x')
528 	      attr->values[j].resolution.yres = strtol(s + 1, &s, 10);
529 	    else
530 	      attr->values[j].resolution.yres = attr->values[j].resolution.xres;
531 
532 	    if (!strcasecmp(s, "dpc"))
533               attr->values[j].resolution.units = IPP_RES_PER_CM;
534             else
535               attr->values[j].resolution.units = IPP_RES_PER_INCH;
536 
537 	    DEBUG_printf(("2cupsEncodeOptions2: Added resolution option value "
538 	                  "%s...", val));
539             break;
540 
541 	case IPP_TAG_STRING :
542            /*
543 	    * octet-string
544 	    */
545 
546             attr->values[j].unknown.length = (int)strlen(val);
547 	    attr->values[j].unknown.data   = strdup(val);
548 
549             DEBUG_printf(("2cupsEncodeOptions2: Added octet-string value "
550 	                  "\"%s\"...", (char *)attr->values[j].unknown.data));
551             break;
552 
553         case IPP_TAG_BEGIN_COLLECTION :
554 	   /*
555 	    * Collection value
556 	    */
557 
558 	    num_cols   = cupsParseOptions(val, 0, &cols);
559 	    if ((collection = ippNew()) == NULL)
560 	    {
561 	      cupsFreeOptions(num_cols, cols);
562 
563 	      if (copy)
564 	        free(copy);
565 
566 	      ippDeleteAttribute(ipp, attr);
567 	      return;
568             }
569 
570 	    attr->values[j].collection = collection;
571 	    cupsEncodeOptions2(collection, num_cols, cols, IPP_TAG_JOB);
572             cupsFreeOptions(num_cols, cols);
573 	    break;
574 
575 	default :
576 	    if ((attr->values[j].string.text = _cupsStrAlloc(val)) == NULL)
577 	    {
578 	     /*
579 	      * Ran out of memory!
580 	      */
581 
582 	      DEBUG_puts("1cupsEncodeOptions2: Ran out of memory for string!");
583 
584 	      if (copy)
585 	        free(copy);
586 
587 	      ippDeleteAttribute(ipp, attr);
588 	      return;
589 	    }
590 
591 	    DEBUG_printf(("2cupsEncodeOptions2: Added string value \"%s\"...",
592 	                  val));
593             break;
594       }
595     }
596 
597     if (copy)
598       free(copy);
599   }
600 }
601 
602 
603 /*
604  * '_ippFindOption()' - Find the attribute information for an option.
605  */
606 
607 _ipp_option_t *				/* O - Attribute information */
_ippFindOption(const char * name)608 _ippFindOption(const char *name)	/* I - Option/attribute name */
609 {
610   _ipp_option_t	key;			/* Search key */
611 
612 
613  /*
614   * Lookup the proper value and group tags for this option...
615   */
616 
617   key.name = name;
618 
619   return ((_ipp_option_t *)bsearch(&key, ipp_options,
620                                    sizeof(ipp_options) / sizeof(ipp_options[0]),
621 				   sizeof(ipp_options[0]),
622 				   (int (*)(const void *, const void *))
623 				       compare_ipp_options));
624 }
625 
626 
627 /*
628  * 'compare_ipp_options()' - Compare two IPP options.
629  */
630 
631 static int				/* O - Result of comparison */
compare_ipp_options(_ipp_option_t * a,_ipp_option_t * b)632 compare_ipp_options(_ipp_option_t *a,	/* I - First option */
633                     _ipp_option_t *b)	/* I - Second option */
634 {
635   return (strcmp(a->name, b->name));
636 }
637 
638 
639 /*
640  * End of "$Id: encode.c 9258 2010-08-13 01:34:04Z mike $".
641  */
642