cups/encode.c

   1 /*
   2  * "$Id: encode.c 7696 2008-06-26 00:54:42Z 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, "document-format",       IPP_TAG_MIMETYPE,       IPP_TAG_OPERATION },
  58   { 0, "document-format-default", IPP_TAG_MIMETYPE,     IPP_TAG_PRINTER },
  59   { 1, "exclude-schemes",       IPP_TAG_NAME,           IPP_TAG_OPERATION },
  60   { 1, "finishings",            IPP_TAG_ENUM,           IPP_TAG_JOB },
  61   { 1, "finishings-default",    IPP_TAG_ENUM,           IPP_TAG_PRINTER },
  62   { 0, "fit-to-page",           IPP_TAG_BOOLEAN,        IPP_TAG_JOB },
  63   { 0, "fit-to-page-default",   IPP_TAG_BOOLEAN,        IPP_TAG_PRINTER },
  64   { 0, "fitplot",               IPP_TAG_BOOLEAN,        IPP_TAG_JOB },
  65   { 0, "fitplot-default",       IPP_TAG_BOOLEAN,        IPP_TAG_PRINTER },
  66   { 0, "gamma",                 IPP_TAG_INTEGER,        IPP_TAG_JOB },
  67   { 0, "gamma-default",         IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
  68   { 0, "hue",                   IPP_TAG_INTEGER,        IPP_TAG_JOB },
  69   { 0, "hue-default",           IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
  70   { 1, "include-schemes",       IPP_TAG_NAME,           IPP_TAG_OPERATION },
  71   { 0, "job-impressions",       IPP_TAG_INTEGER,        IPP_TAG_JOB },
  72   { 0, "job-k-limit",           IPP_TAG_INTEGER,        IPP_TAG_JOB },
  73   { 0, "job-page-limit",        IPP_TAG_INTEGER,        IPP_TAG_JOB },
  74   { 0, "job-priority",          IPP_TAG_INTEGER,        IPP_TAG_JOB },
  75   { 0, "job-quota-period",      IPP_TAG_INTEGER,        IPP_TAG_JOB },
  76   { 1, "job-sheets",            IPP_TAG_NAME,           IPP_TAG_JOB },
  77   { 1, "job-sheets-default",    IPP_TAG_NAME,           IPP_TAG_PRINTER },
  78   { 0, "job-uuid",              IPP_TAG_URI,            IPP_TAG_JOB },
  79   { 0, "landscape",             IPP_TAG_BOOLEAN,        IPP_TAG_JOB },
  80   { 1, "marker-change-time",    IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
  81   { 1, "marker-colors",         IPP_TAG_NAME,           IPP_TAG_PRINTER },
  82   { 1, "marker-high-levels",    IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
  83   { 1, "marker-levels",         IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
  84   { 1, "marker-low-levels",     IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
  85   { 0, "marker-message",        IPP_TAG_TEXT,           IPP_TAG_PRINTER },
  86   { 1, "marker-names",          IPP_TAG_NAME,           IPP_TAG_PRINTER },
  87   { 1, "marker-types",          IPP_TAG_KEYWORD,        IPP_TAG_PRINTER },
  88   { 1, "media",                 IPP_TAG_KEYWORD,        IPP_TAG_JOB },
  89   { 0, "media-col",             IPP_TAG_BEGIN_COLLECTION, IPP_TAG_JOB },
  90   { 0, "media-col-default",     IPP_TAG_BEGIN_COLLECTION, IPP_TAG_PRINTER },
  91   { 0, "media-color",           IPP_TAG_KEYWORD,        IPP_TAG_JOB },
  92   { 1, "media-default",         IPP_TAG_KEYWORD,        IPP_TAG_PRINTER },
  93   { 0, "media-key",             IPP_TAG_KEYWORD,        IPP_TAG_JOB },
  94   { 0, "media-size",            IPP_TAG_BEGIN_COLLECTION, IPP_TAG_JOB },
  95   { 0, "media-type",            IPP_TAG_KEYWORD,        IPP_TAG_JOB },
  96   { 0, "mirror",                IPP_TAG_BOOLEAN,        IPP_TAG_JOB },
  97   { 0, "mirror-default",        IPP_TAG_BOOLEAN,        IPP_TAG_PRINTER },
  98   { 0, "natural-scaling",       IPP_TAG_INTEGER,        IPP_TAG_JOB },
  99   { 0, "natural-scaling-default", IPP_TAG_INTEGER,      IPP_TAG_PRINTER },
 100   { 0, "notify-charset",        IPP_TAG_CHARSET,        IPP_TAG_SUBSCRIPTION },
 101   { 1, "notify-events",         IPP_TAG_KEYWORD,        IPP_TAG_SUBSCRIPTION },
 102   { 1, "notify-events-default", IPP_TAG_KEYWORD,        IPP_TAG_PRINTER },
 103   { 0, "notify-lease-duration", IPP_TAG_INTEGER,        IPP_TAG_SUBSCRIPTION },
 104   { 0, "notify-lease-duration-default", IPP_TAG_INTEGER, IPP_TAG_PRINTER },
 105   { 0, "notify-natural-language", IPP_TAG_LANGUAGE,     IPP_TAG_SUBSCRIPTION },
 106   { 0, "notify-pull-method",    IPP_TAG_KEYWORD,        IPP_TAG_SUBSCRIPTION },
 107   { 0, "notify-recipient-uri",  IPP_TAG_URI,            IPP_TAG_SUBSCRIPTION },
 108   { 0, "notify-time-interval",  IPP_TAG_INTEGER,        IPP_TAG_SUBSCRIPTION },
 109   { 0, "notify-user-data",      IPP_TAG_STRING,         IPP_TAG_SUBSCRIPTION },
 110   { 0, "number-up",             IPP_TAG_INTEGER,        IPP_TAG_JOB },
 111   { 0, "number-up-default",     IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
 112   { 0, "orientation-requested", IPP_TAG_ENUM,           IPP_TAG_JOB },
 113   { 0, "orientation-requested-default", IPP_TAG_ENUM,   IPP_TAG_PRINTER },
 114   { 0, "page-bottom",           IPP_TAG_INTEGER,        IPP_TAG_JOB },
 115   { 0, "page-bottom-default",   IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
 116   { 0, "page-left",             IPP_TAG_INTEGER,        IPP_TAG_JOB },
 117   { 0, "page-left-default",     IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
 118   { 1, "page-ranges",           IPP_TAG_RANGE,          IPP_TAG_JOB },
 119   { 1, "page-ranges-default",   IPP_TAG_RANGE,          IPP_TAG_PRINTER },
 120   { 0, "page-right",            IPP_TAG_INTEGER,        IPP_TAG_JOB },
 121   { 0, "page-right-default",    IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
 122   { 0, "page-top",              IPP_TAG_INTEGER,        IPP_TAG_JOB },
 123   { 0, "page-top-default",      IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
 124   { 0, "penwidth",              IPP_TAG_INTEGER,        IPP_TAG_JOB },
 125   { 0, "penwidth-default",      IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
 126   { 0, "port-monitor",          IPP_TAG_NAME,           IPP_TAG_PRINTER },
 127   { 0, "ppi",                   IPP_TAG_INTEGER,        IPP_TAG_JOB },
 128   { 0, "ppi-default",           IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
 129   { 0, "prettyprint",           IPP_TAG_BOOLEAN,        IPP_TAG_JOB },
 130   { 0, "prettyprint-default",   IPP_TAG_BOOLEAN,        IPP_TAG_PRINTER },
 131   { 0, "print-quality",         IPP_TAG_ENUM,           IPP_TAG_JOB },
 132   { 0, "print-quality-default", IPP_TAG_ENUM,           IPP_TAG_PRINTER },
 133   { 1, "printer-commands",      IPP_TAG_KEYWORD,        IPP_TAG_PRINTER },
 134   { 0, "printer-error-policy",  IPP_TAG_NAME,           IPP_TAG_PRINTER },
 135   { 0, "printer-info",          IPP_TAG_TEXT,           IPP_TAG_PRINTER },
 136   { 0, "printer-is-accepting-jobs", IPP_TAG_BOOLEAN,    IPP_TAG_PRINTER },
 137   { 0, "printer-is-shared",     IPP_TAG_BOOLEAN,        IPP_TAG_PRINTER },
 138   { 0, "printer-location",      IPP_TAG_TEXT,           IPP_TAG_PRINTER },
 139   { 0, "printer-make-and-model", IPP_TAG_TEXT,          IPP_TAG_PRINTER },
 140   { 0, "printer-more-info",     IPP_TAG_URI,            IPP_TAG_PRINTER },
 141   { 0, "printer-op-policy",     IPP_TAG_NAME,           IPP_TAG_PRINTER },
 142   { 0, "printer-resolution",    IPP_TAG_RESOLUTION,     IPP_TAG_JOB },
 143   { 0, "printer-state",         IPP_TAG_ENUM,           IPP_TAG_PRINTER },
 144   { 0, "printer-state-change-time", IPP_TAG_INTEGER,    IPP_TAG_PRINTER },
 145   { 1, "printer-state-reasons", IPP_TAG_KEYWORD,        IPP_TAG_PRINTER },
 146   { 0, "printer-type",          IPP_TAG_ENUM,           IPP_TAG_PRINTER },
 147   { 0, "printer-uri",           IPP_TAG_URI,            IPP_TAG_OPERATION },
 148   { 0, "queued-job-count",      IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
 149   { 0, "raw",                   IPP_TAG_MIMETYPE,       IPP_TAG_OPERATION },
 150   { 1, "requested-attributes",  IPP_TAG_NAME,           IPP_TAG_OPERATION },
 151   { 1, "requesting-user-name-allowed", IPP_TAG_NAME,    IPP_TAG_PRINTER },
 152   { 1, "requesting-user-name-denied", IPP_TAG_NAME,     IPP_TAG_PRINTER },
 153   { 0, "resolution",            IPP_TAG_RESOLUTION,     IPP_TAG_JOB },
 154   { 0, "resolution-default",    IPP_TAG_RESOLUTION,     IPP_TAG_PRINTER },
 155   { 0, "saturation",            IPP_TAG_INTEGER,        IPP_TAG_JOB },
 156   { 0, "saturation-default",    IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
 157   { 0, "scaling",               IPP_TAG_INTEGER,        IPP_TAG_JOB },
 158   { 0, "scaling-default",       IPP_TAG_INTEGER,        IPP_TAG_PRINTER },
 159   { 0, "sides",                 IPP_TAG_KEYWORD,        IPP_TAG_JOB },
 160   { 0, "sides-default",         IPP_TAG_KEYWORD,        IPP_TAG_PRINTER },
 161   { 0, "wrap",                  IPP_TAG_BOOLEAN,        IPP_TAG_JOB },
 162   { 0, "wrap-default",          IPP_TAG_BOOLEAN,        IPP_TAG_PRINTER },
 163   { 0, "x-dimension",           IPP_TAG_INTEGER,        IPP_TAG_JOB },
 164   { 0, "y-dimension",           IPP_TAG_INTEGER,        IPP_TAG_JOB }
 165 };
 166
 167
 168 /*
 169  * Local functions...
 170  */
 171
 172 static int      compare_ipp_options(_ipp_option_t *a, _ipp_option_t *b);
 173
 174
 175 /*
 176  * 'cupsEncodeOptions()' - Encode printer options into IPP attributes.
 177  *
 178  * This function adds operation, job, and then subscription attributes,
 179  * in that order. Use the cupsEncodeOptions2() function to add attributes
 180  * for a single group.
 181  */
 182
 183 void
 184 cupsEncodeOptions(ipp_t         *ipp,           /* I - Request to add to */
 185                   int           num_options,    /* I - Number of options */
 186                   cups_option_t *options)       /* I - Options */
 187 {
 188   DEBUG_printf(("cupsEncodeOptions(%p, %d, %p)\n", ipp, num_options, options));
 189
 190  /*
 191   * Add the options in the proper groups & order...
 192   */
 193
 194   cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_OPERATION);
 195   cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_JOB);
 196   cupsEncodeOptions2(ipp, num_options, options, IPP_TAG_SUBSCRIPTION);
 197 }
 198
 199
 200 /*
 201  * 'cupsEncodeOptions2()' - Encode printer options into IPP attributes for a group.
 202  *
 203  * This function only adds attributes for a single group. Call this
 204  * function multiple times for each group, or use cupsEncodeOptions()
 205  * to add the standard groups.
 206  *
 207  * @since CUPS 1.2/Mac OS X 10.5@
 208  */
 209
 210 void
 211 cupsEncodeOptions2(
 212     ipp_t         *ipp,                 /* I - Request to add to */
 213     int           num_options,          /* I - Number of options */
 214     cups_option_t *options,             /* I - Options */
 215     ipp_tag_t     group_tag)            /* I - Group to encode */
 216 {
 217   int           i, j;                   /* Looping vars */
 218   int           count;                  /* Number of values */
 219   char          *s,                     /* Pointer into option value */
 220                 *val,                   /* Pointer to option value */
 221                 *copy,                  /* Copy of option value */
 222                 *sep,                   /* Option separator */
 223                 quote;                  /* Quote character */
 224   ipp_attribute_t *attr;                /* IPP attribute */
 225   ipp_tag_t     value_tag;              /* IPP value tag */
 226   cups_option_t *option;                /* Current option */
 227   ipp_t         *collection;            /* Collection value */
 228   int           num_cols;               /* Number of collection values */
 229   cups_option_t *cols;                  /* Collection values */
 230
 231
 232   DEBUG_printf(("cupsEncodeOptions2(ipp=%p, num_options=%d, options=%p, "
 233                 "group_tag=%x)\n", ipp, num_options, options, group_tag));
 234
 235  /*
 236   * Range check input...
 237   */
 238
 239   if (!ipp || num_options < 1 || !options)
 240     return;
 241
 242  /*
 243   * Do special handling for the document-format/raw options...
 244   */
 245
 246   if (group_tag == IPP_TAG_OPERATION)
 247   {
 248    /*
 249     * Handle the document format stuff first...
 250     */
 251
 252     if ((val = (char *)cupsGetOption("document-format", num_options, options)) != NULL)
 253       ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
 254                    NULL, val);
 255     else if (cupsGetOption("raw", num_options, options))
 256       ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
 257                    NULL, "application/vnd.cups-raw");
 258     else
 259       ippAddString(ipp, IPP_TAG_OPERATION, IPP_TAG_MIMETYPE, "document-format",
 260                    NULL, "application/octet-stream");
 261   }
 262
 263  /*
 264   * Then loop through the options...
 265   */
 266
 267   for (i = num_options, option = options; i > 0; i --, option ++)
 268   {
 269     _ipp_option_t       *match;         /* Matching attribute */
 270
 271
 272    /*
 273     * Skip document format options that are handled above...
 274     */
 275
 276     if (!strcasecmp(option->name, "raw") ||
 277         !strcasecmp(option->name, "document-format") ||
 278         !option->name[0])
 279       continue;
 280
 281    /*
 282     * Figure out the proper value and group tags for this option...
 283     */
 284
 285     if ((match = _ippFindOption(option->name)) != NULL)
 286     {
 287       if (match->group_tag != group_tag)
 288         continue;
 289
 290       value_tag = match->value_tag;
 291     }
 292     else
 293     {
 294       int       namelen;                /* Length of name */
 295
 296
 297       namelen = (int)strlen(option->name);
 298
 299       if (namelen < 9 || strcmp(option->name + namelen - 8, "-default"))
 300       {
 301         if (group_tag != IPP_TAG_JOB)
 302           continue;
 303       }
 304       else if (group_tag != IPP_TAG_PRINTER)
 305         continue;
 306
 307       if (!strcasecmp(option->value, "true") ||
 308           !strcasecmp(option->value, "false"))
 309         value_tag = IPP_TAG_BOOLEAN;
 310       else
 311         value_tag = IPP_TAG_NAME;
 312     }
 313
 314    /*
 315     * Count the number of values...
 316     */
 317
 318     if (match && match->multivalue)
 319     {
 320       for (count = 1, sep = option->value, quote = 0; *sep; sep ++)
 321       {
 322         if (*sep == quote)
 323           quote = 0;
 324         else if (!quote && (*sep == '\'' || *sep == '\"'))
 325         {
 326          /*
 327           * Skip quoted option value...
 328           */
 329
 330           quote = *sep++;
 331         }
 332         else if (*sep == ',' && !quote)
 333           count ++;
 334         else if (*sep == '\\' && sep[1])
 335           sep ++;
 336       }
 337     }
 338     else
 339       count = 1;
 340
 341     DEBUG_printf(("cupsEncodeOptions2: option = \'%s\', count = %d\n",
 342                   option->name, count));
 343
 344    /*
 345     * Allocate memory for the attribute values...
 346     */
 347
 348     if ((attr = _ippAddAttr(ipp, count)) == NULL)
 349     {
 350      /*
 351       * Ran out of memory!
 352       */
 353
 354       DEBUG_puts("cupsEncodeOptions2: Ran out of memory for attributes!");
 355       return;
 356     }
 357
 358    /*
 359     * Now figure out what type of value we have...
 360     */
 361
 362     attr->group_tag = group_tag;
 363     attr->value_tag = value_tag;
 364
 365    /*
 366     * Copy the name over...
 367     */
 368
 369     attr->name = _cupsStrAlloc(option->name);
 370
 371     if (count > 1)
 372     {
 373      /*
 374       * Make a copy of the value we can fiddle with...
 375       */
 376
 377       if ((copy = strdup(option->value)) == NULL)
 378       {
 379        /*
 380         * Ran out of memory!
 381         */
 382
 383         DEBUG_puts("cupsEncodeOptions2: Ran out of memory for value copy!");
 384         ippDeleteAttribute(ipp, attr);
 385         return;
 386       }
 387
 388       val = copy;
 389     }
 390     else
 391     {
 392      /*
 393       * Since we have a single value, use the value directly...
 394       */
 395
 396       val  = option->value;
 397       copy = NULL;
 398     }
 399
 400    /*
 401     * Scan the value string for values...
 402     */
 403
 404     for (j = 0, sep = val; j < count; val = sep, j ++)
 405     {
 406      /*
 407       * Find the end of this value and mark it if needed...
 408       */
 409
 410       if (count > 1)
 411       {
 412         for (quote = 0; *sep; sep ++)
 413         {
 414           if (*sep == quote)
 415           {
 416            /*
 417             * Finish quoted value...
 418             */
 419
 420             quote = 0;
 421           }
 422           else if (!quote && (*sep == '\'' || *sep == '\"'))
 423           {
 424            /*
 425             * Handle quoted option value...
 426             */
 427
 428             quote = *sep;
 429           }
 430           else if (*sep == ',' && count > 1)
 431             break;
 432           else if (*sep == '\\' && sep[1])
 433           {
 434            /*
 435             * Skip quoted character...
 436             */
 437
 438             sep ++;
 439           }
 440         }
 441
 442         if (*sep == ',')
 443           *sep++ = '\0';
 444       }
 445
 446      /*
 447       * Copy the option value(s) over as needed by the type...
 448       */
 449
 450       switch (attr->value_tag)
 451       {
 452         case IPP_TAG_INTEGER :
 453         case IPP_TAG_ENUM :
 454            /*
 455             * Integer/enumeration value...
 456             */
 457
 458             attr->values[j].integer = strtol(val, &s, 10);
 459
 460             DEBUG_printf(("cupsEncodeOptions2: Added integer option value %d...\n",
 461                           attr->values[j].integer));
 462             break;
 463
 464         case IPP_TAG_BOOLEAN :
 465             if (!strcasecmp(val, "true") ||
 466                 !strcasecmp(val, "on") ||
 467                 !strcasecmp(val, "yes"))
 468             {
 469              /*
 470               * Boolean value - true...
 471               */
 472
 473               attr->values[j].boolean = 1;
 474
 475               DEBUG_puts("cupsEncodeOptions2: Added boolean true value...");
 476             }
 477             else
 478             {
 479              /*
 480               * Boolean value - false...
 481               */
 482
 483               attr->values[j].boolean = 0;
 484
 485               DEBUG_puts("cupsEncodeOptions2: Added boolean false value...");
 486             }
 487             break;
 488
 489         case IPP_TAG_RANGE :
 490            /*
 491             * Range...
 492             */
 493
 494             if (*val == '-')
 495             {
 496               attr->values[j].range.lower = 1;
 497               s = val;
 498             }
 499             else
 500               attr->values[j].range.lower = strtol(val, &s, 10);
 501
 502             if (*s == '-')
 503             {
 504               if (s[1])
 505                 attr->values[j].range.upper = strtol(s + 1, NULL, 10);
 506               else
 507                 attr->values[j].range.upper = 2147483647;
 508             }
 509             else
 510               attr->values[j].range.upper = attr->values[j].range.lower;
 511
 512             DEBUG_printf(("cupsEncodeOptions2: Added range option value %d-%d...\n",
 513                           attr->values[j].range.lower,
 514                           attr->values[j].range.upper));
 515             break;
 516
 517         case IPP_TAG_RESOLUTION :
 518            /*
 519             * Resolution...
 520             */
 521
 522             attr->values[j].resolution.xres = strtol(val, &s, 10);
 523
 524             if (*s == 'x')
 525               attr->values[j].resolution.yres = strtol(s + 1, &s, 10);
 526             else
 527               attr->values[j].resolution.yres = attr->values[j].resolution.xres;
 528
 529             if (!strcasecmp(s, "dpc"))
 530               attr->values[j].resolution.units = IPP_RES_PER_CM;
 531             else
 532               attr->values[j].resolution.units = IPP_RES_PER_INCH;
 533
 534             DEBUG_printf(("cupsEncodeOptions2: Added resolution option value %s...\n",
 535                           val));
 536             break;
 537
 538         case IPP_TAG_STRING :
 539            /*
 540             * octet-string
 541             */
 542
 543             attr->values[j].unknown.length = (int)strlen(val);
 544             attr->values[j].unknown.data   = strdup(val);
 545
 546             DEBUG_printf(("cupsEncodeOptions2: Added octet-string value "
 547                           "\"%s\"...\n", (char *)attr->values[j].unknown.data));
 548             break;
 549
 550         case IPP_TAG_BEGIN_COLLECTION :
 551            /*
 552             * Collection value
 553             */
 554
 555             num_cols   = cupsParseOptions(val, 0, &cols);
 556             if ((collection = ippNew()) == NULL)
 557             {
 558               cupsFreeOptions(num_cols, cols);
 559
 560               if (copy)
 561                 free(copy);
 562
 563               ippDeleteAttribute(ipp, attr);
 564               return;
 565             }
 566
 567             attr->values[j].collection = collection;
 568             cupsEncodeOptions2(collection, num_cols, cols, IPP_TAG_JOB);
 569             cupsFreeOptions(num_cols, cols);
 570             break;
 571
 572         default :
 573             if ((attr->values[j].string.text = _cupsStrAlloc(val)) == NULL)
 574             {
 575              /*
 576               * Ran out of memory!
 577               */
 578
 579               DEBUG_puts("cupsEncodeOptions2: Ran out of memory for string!");
 580
 581               if (copy)
 582                 free(copy);
 583
 584               ippDeleteAttribute(ipp, attr);
 585               return;
 586             }
 587
 588             DEBUG_printf(("cupsEncodeOptions2: Added string value \"%s\"...\n",
 589                           val));
 590             break;
 591       }
 592     }
 593
 594     if (copy)
 595       free(copy);
 596   }
 597 }
 598
 599
 600 /*
 601  * '_ippFindOption()' - Find the attribute information for an option.
 602  */
 603
 604 _ipp_option_t *                         /* O - Attribute information */
 605 _ippFindOption(const char *name)        /* I - Option/attribute name */
 606 {
 607   _ipp_option_t key;                    /* Search key */
 608
 609
 610  /*
 611   * Lookup the proper value and group tags for this option...
 612   */
 613
 614   key.name = name;
 615
 616   return ((_ipp_option_t *)bsearch(&key, ipp_options,
 617                                    sizeof(ipp_options) / sizeof(ipp_options[0]),
 618                                    sizeof(ipp_options[0]),
 619                                    (int (*)(const void *, const void *))
 620                                        compare_ipp_options));
 621 }
 622
 623
 624 /*
 625  * 'compare_ipp_options()' - Compare two IPP options.
 626  */
 627
 628 static int                              /* O - Result of comparison */
 629 compare_ipp_options(_ipp_option_t *a,   /* I - First option */
 630                     _ipp_option_t *b)   /* I - Second option */
 631 {
 632   return (strcmp(a->name, b->name));
 633 }
 634
 635
 636 /*
 637  * End of "$Id: encode.c 7696 2008-06-26 00:54:42Z mike $".
 638  */