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Commit | Line | Data |
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ef416fc2 | 1 | /* |
739a2093 | 2 | * PPD command interpreter for CUPS. |
ef416fc2 | 3 | * |
d9564ec7 | 4 | * Copyright 2007-2015 by Apple Inc. |
739a2093 | 5 | * Copyright 1993-2007 by Easy Software Products. |
ef416fc2 | 6 | * |
e3101897 | 7 | * Licensed under Apache License v2.0. See the file "LICENSE" for more information. |
ef416fc2 | 8 | */ |
9 | ||
10 | /* | |
11 | * Include necessary headers... | |
12 | */ | |
13 | ||
a4845881 | 14 | #include <cups/raster-private.h> |
6e5a57e8 | 15 | #include <cups/ppd.h> |
ef416fc2 | 16 | |
17 | ||
18 | /* | |
b86bc4cf | 19 | * Stack values for the PostScript mini-interpreter... |
ef416fc2 | 20 | */ |
21 | ||
b86bc4cf | 22 | typedef enum |
23 | { | |
24 | CUPS_PS_NAME, | |
25 | CUPS_PS_NUMBER, | |
26 | CUPS_PS_STRING, | |
27 | CUPS_PS_BOOLEAN, | |
28 | CUPS_PS_NULL, | |
29 | CUPS_PS_START_ARRAY, | |
30 | CUPS_PS_END_ARRAY, | |
31 | CUPS_PS_START_DICT, | |
32 | CUPS_PS_END_DICT, | |
33 | CUPS_PS_START_PROC, | |
34 | CUPS_PS_END_PROC, | |
35 | CUPS_PS_CLEARTOMARK, | |
36 | CUPS_PS_COPY, | |
37 | CUPS_PS_DUP, | |
38 | CUPS_PS_INDEX, | |
39 | CUPS_PS_POP, | |
40 | CUPS_PS_ROLL, | |
41 | CUPS_PS_SETPAGEDEVICE, | |
42 | CUPS_PS_STOPPED, | |
43 | CUPS_PS_OTHER | |
44 | } _cups_ps_type_t; | |
45 | ||
46 | typedef struct | |
47 | { | |
48 | _cups_ps_type_t type; /* Object type */ | |
49 | union | |
50 | { | |
51 | int boolean; /* Boolean value */ | |
52 | char name[64]; /* Name value */ | |
53 | double number; /* Number value */ | |
54 | char other[64]; /* Other operator */ | |
55 | char string[64]; /* Sring value */ | |
56 | } value; /* Value */ | |
57 | } _cups_ps_obj_t; | |
58 | ||
59 | typedef struct | |
60 | { | |
61 | int num_objs, /* Number of objects on stack */ | |
62 | alloc_objs; /* Number of allocated objects */ | |
63 | _cups_ps_obj_t *objs; /* Objects in stack */ | |
64 | } _cups_ps_stack_t; | |
ef416fc2 | 65 | |
66 | ||
67 | /* | |
68 | * Local functions... | |
69 | */ | |
70 | ||
b86bc4cf | 71 | static int cleartomark_stack(_cups_ps_stack_t *st); |
72 | static int copy_stack(_cups_ps_stack_t *st, int count); | |
73 | static void delete_stack(_cups_ps_stack_t *st); | |
f7deaa1a | 74 | static void error_object(_cups_ps_obj_t *obj); |
75 | static void error_stack(_cups_ps_stack_t *st, const char *title); | |
b86bc4cf | 76 | static _cups_ps_obj_t *index_stack(_cups_ps_stack_t *st, int n); |
77 | static _cups_ps_stack_t *new_stack(void); | |
78 | static _cups_ps_obj_t *pop_stack(_cups_ps_stack_t *st); | |
79 | static _cups_ps_obj_t *push_stack(_cups_ps_stack_t *st, | |
80 | _cups_ps_obj_t *obj); | |
81 | static int roll_stack(_cups_ps_stack_t *st, int c, int s); | |
82 | static _cups_ps_obj_t *scan_ps(_cups_ps_stack_t *st, char **ptr); | |
83 | static int setpagedevice(_cups_ps_stack_t *st, | |
84 | cups_page_header2_t *h, | |
85 | int *preferred_bits); | |
86 | #ifdef DEBUG | |
d9564ec7 MS |
87 | static void DEBUG_object(const char *prefix, _cups_ps_obj_t *obj); |
88 | static void DEBUG_stack(const char *prefix, _cups_ps_stack_t *st); | |
b86bc4cf | 89 | #endif /* DEBUG */ |
ef416fc2 | 90 | |
91 | ||
92 | /* | |
93 | * 'cupsRasterInterpretPPD()' - Interpret PPD commands to create a page header. | |
94 | * | |
db0bd74a MS |
95 | * This function is used by raster image processing (RIP) filters like |
96 | * cgpdftoraster and imagetoraster when writing CUPS raster data for a page. | |
97 | * It is not used by raster printer driver filters which only read CUPS | |
98 | * raster data. | |
99 | * | |
100 | * | |
101 | * @code cupsRasterInterpretPPD@ does not mark the options in the PPD using | |
102 | * the "num_options" and "options" arguments. Instead, mark the options with | |
103 | * @code cupsMarkOptions@ and @code ppdMarkOption@ prior to calling it - | |
104 | * this allows for per-page options without manipulating the options array. | |
923edb68 | 105 | * |
a74454a7 | 106 | * The "func" argument specifies an optional callback function that is |
107 | * called prior to the computation of the final raster data. The function | |
5a738aea | 108 | * can make changes to the @link cups_page_header2_t@ data as needed to use a |
a74454a7 | 109 | * supported raster format and then returns 0 on success and -1 if the |
110 | * requested attributes cannot be supported. | |
111 | * | |
db0bd74a | 112 | * |
5a738aea MS |
113 | * @code cupsRasterInterpretPPD@ supports a subset of the PostScript language. |
114 | * Currently only the @code [@, @code ]@, @code <<@, @code >>@, @code {@, | |
115 | * @code }@, @code cleartomark@, @code copy@, @code dup@, @code index@, | |
116 | * @code pop@, @code roll@, @code setpagedevice@, and @code stopped@ operators | |
117 | * are supported. | |
b86bc4cf | 118 | * |
8072030b | 119 | * @since CUPS 1.2/macOS 10.5@ |
ef416fc2 | 120 | */ |
121 | ||
122 | int /* O - 0 on success, -1 on failure */ | |
123 | cupsRasterInterpretPPD( | |
db0bd74a | 124 | cups_page_header2_t *h, /* O - Page header to create */ |
923edb68 | 125 | ppd_file_t *ppd, /* I - PPD file */ |
126 | int num_options, /* I - Number of options */ | |
a74454a7 | 127 | cups_option_t *options, /* I - Options */ |
db0bd74a | 128 | cups_interpret_cb_t func) /* I - Optional page header callback (@code NULL@ for none) */ |
ef416fc2 | 129 | { |
ef416fc2 | 130 | int status; /* Cummulative status */ |
b86bc4cf | 131 | char *code; /* Code to run */ |
923edb68 | 132 | const char *val; /* Option value */ |
ef416fc2 | 133 | ppd_size_t *size; /* Current size */ |
134 | float left, /* Left position */ | |
135 | bottom, /* Bottom position */ | |
136 | right, /* Right position */ | |
739a2093 MS |
137 | top, /* Top position */ |
138 | temp1, temp2; /* Temporary variables for swapping */ | |
a74454a7 | 139 | int preferred_bits; /* Preferred bits per color */ |
ef416fc2 | 140 | |
141 | ||
142 | /* | |
143 | * Range check input... | |
144 | */ | |
145 | ||
f7deaa1a | 146 | _cupsRasterClearError(); |
147 | ||
ef416fc2 | 148 | if (!h) |
f7deaa1a | 149 | { |
150 | _cupsRasterAddError("Page header cannot be NULL!\n"); | |
ef416fc2 | 151 | return (-1); |
f7deaa1a | 152 | } |
ef416fc2 | 153 | |
154 | /* | |
155 | * Reset the page header to the defaults... | |
156 | */ | |
157 | ||
158 | memset(h, 0, sizeof(cups_page_header2_t)); | |
159 | ||
923edb68 | 160 | h->NumCopies = 1; |
161 | h->PageSize[0] = 612; | |
162 | h->PageSize[1] = 792; | |
163 | h->HWResolution[0] = 100; | |
164 | h->HWResolution[1] = 100; | |
739a2093 | 165 | h->cupsBitsPerColor = 1; |
923edb68 | 166 | h->cupsColorOrder = CUPS_ORDER_CHUNKED; |
167 | h->cupsColorSpace = CUPS_CSPACE_K; | |
168 | h->cupsBorderlessScalingFactor = 1.0f; | |
169 | h->cupsPageSize[0] = 612.0f; | |
170 | h->cupsPageSize[1] = 792.0f; | |
171 | h->cupsImagingBBox[0] = 0.0f; | |
172 | h->cupsImagingBBox[1] = 0.0f; | |
173 | h->cupsImagingBBox[2] = 612.0f; | |
174 | h->cupsImagingBBox[3] = 792.0f; | |
fa73b229 | 175 | |
5a9febac | 176 | strlcpy(h->cupsPageSizeName, "Letter", sizeof(h->cupsPageSizeName)); |
ef416fc2 | 177 | |
e38f5e9c MS |
178 | #ifdef __APPLE__ |
179 | /* | |
8072030b | 180 | * cupsInteger0 is also used for the total page count on macOS; set an |
e38f5e9c MS |
181 | * uncommon default value so we can tell if the driver is using cupsInteger0. |
182 | */ | |
183 | ||
184 | h->cupsInteger[0] = 0x80000000; | |
185 | #endif /* __APPLE__ */ | |
186 | ||
ef416fc2 | 187 | /* |
188 | * Apply patches and options to the page header... | |
189 | */ | |
190 | ||
a74454a7 | 191 | status = 0; |
192 | preferred_bits = 0; | |
ef416fc2 | 193 | |
194 | if (ppd) | |
195 | { | |
196 | /* | |
197 | * Apply any patch code (used to override the defaults...) | |
198 | */ | |
199 | ||
200 | if (ppd->patches) | |
b86bc4cf | 201 | status |= _cupsRasterExecPS(h, &preferred_bits, ppd->patches); |
ef416fc2 | 202 | |
203 | /* | |
204 | * Then apply printer options in the proper order... | |
205 | */ | |
206 | ||
b86bc4cf | 207 | if ((code = ppdEmitString(ppd, PPD_ORDER_DOCUMENT, 0.0)) != NULL) |
ef416fc2 | 208 | { |
b86bc4cf | 209 | status |= _cupsRasterExecPS(h, &preferred_bits, code); |
210 | free(code); | |
ef416fc2 | 211 | } |
212 | ||
b86bc4cf | 213 | if ((code = ppdEmitString(ppd, PPD_ORDER_ANY, 0.0)) != NULL) |
ef416fc2 | 214 | { |
b86bc4cf | 215 | status |= _cupsRasterExecPS(h, &preferred_bits, code); |
216 | free(code); | |
ef416fc2 | 217 | } |
218 | ||
b86bc4cf | 219 | if ((code = ppdEmitString(ppd, PPD_ORDER_PROLOG, 0.0)) != NULL) |
ef416fc2 | 220 | { |
b86bc4cf | 221 | status |= _cupsRasterExecPS(h, &preferred_bits, code); |
222 | free(code); | |
ef416fc2 | 223 | } |
224 | ||
b86bc4cf | 225 | if ((code = ppdEmitString(ppd, PPD_ORDER_PAGE, 0.0)) != NULL) |
ef416fc2 | 226 | { |
b86bc4cf | 227 | status |= _cupsRasterExecPS(h, &preferred_bits, code); |
228 | free(code); | |
ef416fc2 | 229 | } |
230 | } | |
231 | ||
923edb68 | 232 | /* |
233 | * Allow option override for page scaling... | |
234 | */ | |
235 | ||
236 | if ((val = cupsGetOption("cupsBorderlessScalingFactor", num_options, | |
237 | options)) != NULL) | |
238 | { | |
c8fef167 | 239 | double sc = atof(val); /* Scale factor */ |
923edb68 | 240 | |
06d4e77b | 241 | if (sc >= 0.1 && sc <= 2.0) |
c8fef167 | 242 | h->cupsBorderlessScalingFactor = (float)sc; |
923edb68 | 243 | } |
244 | ||
ef416fc2 | 245 | /* |
246 | * Get the margins for the current size... | |
247 | */ | |
248 | ||
249 | if ((size = ppdPageSize(ppd, NULL)) != NULL) | |
250 | { | |
251 | /* | |
252 | * Use the margins from the PPD file... | |
253 | */ | |
254 | ||
255 | left = size->left; | |
256 | bottom = size->bottom; | |
257 | right = size->right; | |
258 | top = size->top; | |
fa73b229 | 259 | |
260 | strlcpy(h->cupsPageSizeName, size->name, sizeof(h->cupsPageSizeName)); | |
07725fee | 261 | |
262 | h->cupsPageSize[0] = size->width; | |
263 | h->cupsPageSize[1] = size->length; | |
ef416fc2 | 264 | } |
265 | else | |
266 | { | |
267 | /* | |
268 | * Use the default margins... | |
269 | */ | |
270 | ||
271 | left = 0.0f; | |
272 | bottom = 0.0f; | |
273 | right = 612.0f; | |
274 | top = 792.0f; | |
275 | } | |
276 | ||
739a2093 MS |
277 | /* |
278 | * Handle orientation... | |
279 | */ | |
280 | ||
281 | switch (h->Orientation) | |
282 | { | |
283 | case CUPS_ORIENT_0 : | |
284 | default : | |
285 | /* Do nothing */ | |
286 | break; | |
287 | ||
288 | case CUPS_ORIENT_90 : | |
289 | temp1 = h->cupsPageSize[0]; | |
290 | h->cupsPageSize[0] = h->cupsPageSize[1]; | |
291 | h->cupsPageSize[1] = temp1; | |
292 | ||
293 | temp1 = left; | |
294 | temp2 = right; | |
295 | left = h->cupsPageSize[0] - top; | |
296 | right = h->cupsPageSize[0] - bottom; | |
297 | bottom = h->cupsPageSize[1] - temp1; | |
298 | top = h->cupsPageSize[1] - temp2; | |
299 | break; | |
300 | ||
301 | case CUPS_ORIENT_180 : | |
302 | temp1 = left; | |
303 | temp2 = bottom; | |
304 | left = h->cupsPageSize[0] - right; | |
305 | right = h->cupsPageSize[0] - temp1; | |
306 | bottom = h->cupsPageSize[1] - top; | |
307 | top = h->cupsPageSize[1] - temp2; | |
308 | break; | |
309 | ||
310 | case CUPS_ORIENT_270 : | |
311 | temp1 = h->cupsPageSize[0]; | |
312 | h->cupsPageSize[0] = h->cupsPageSize[1]; | |
313 | h->cupsPageSize[1] = temp1; | |
314 | ||
315 | temp1 = left; | |
316 | temp2 = right; | |
317 | left = bottom; | |
318 | right = top; | |
319 | bottom = h->cupsPageSize[1] - temp2; | |
320 | top = h->cupsPageSize[1] - temp1; | |
321 | break; | |
322 | } | |
323 | ||
355ddf41 MS |
324 | if (left > right) |
325 | { | |
326 | temp1 = left; | |
327 | left = right; | |
328 | right = temp1; | |
329 | } | |
330 | ||
331 | if (bottom > top) | |
332 | { | |
333 | temp1 = bottom; | |
334 | bottom = top; | |
335 | top = temp1; | |
336 | } | |
337 | ||
c8fef167 MS |
338 | h->PageSize[0] = (unsigned)(h->cupsPageSize[0] * |
339 | h->cupsBorderlessScalingFactor); | |
340 | h->PageSize[1] = (unsigned)(h->cupsPageSize[1] * | |
341 | h->cupsBorderlessScalingFactor); | |
342 | h->Margins[0] = (unsigned)(left * | |
343 | h->cupsBorderlessScalingFactor); | |
344 | h->Margins[1] = (unsigned)(bottom * | |
345 | h->cupsBorderlessScalingFactor); | |
346 | h->ImagingBoundingBox[0] = (unsigned)(left * | |
347 | h->cupsBorderlessScalingFactor); | |
348 | h->ImagingBoundingBox[1] = (unsigned)(bottom * | |
349 | h->cupsBorderlessScalingFactor); | |
350 | h->ImagingBoundingBox[2] = (unsigned)(right * | |
351 | h->cupsBorderlessScalingFactor); | |
352 | h->ImagingBoundingBox[3] = (unsigned)(top * | |
353 | h->cupsBorderlessScalingFactor); | |
354 | h->cupsImagingBBox[0] = (float)left; | |
355 | h->cupsImagingBBox[1] = (float)bottom; | |
356 | h->cupsImagingBBox[2] = (float)right; | |
357 | h->cupsImagingBBox[3] = (float)top; | |
ef416fc2 | 358 | |
a74454a7 | 359 | /* |
360 | * Use the callback to validate the page header... | |
361 | */ | |
362 | ||
363 | if (func && (*func)(h, preferred_bits)) | |
f7deaa1a | 364 | { |
365 | _cupsRasterAddError("Page header callback returned error.\n"); | |
a74454a7 | 366 | return (-1); |
f7deaa1a | 367 | } |
a74454a7 | 368 | |
a9252913 | 369 | /* |
370 | * Check parameters... | |
371 | */ | |
372 | ||
373 | if (!h->HWResolution[0] || !h->HWResolution[1] || | |
374 | !h->PageSize[0] || !h->PageSize[1] || | |
375 | (h->cupsBitsPerColor != 1 && h->cupsBitsPerColor != 2 && | |
376 | h->cupsBitsPerColor != 4 && h->cupsBitsPerColor != 8 && | |
377 | h->cupsBitsPerColor != 16) || | |
06d4e77b | 378 | h->cupsBorderlessScalingFactor < 0.1 || |
b86bc4cf | 379 | h->cupsBorderlessScalingFactor > 2.0) |
f7deaa1a | 380 | { |
381 | _cupsRasterAddError("Page header uses unsupported values.\n"); | |
a9252913 | 382 | return (-1); |
f7deaa1a | 383 | } |
a9252913 | 384 | |
ef416fc2 | 385 | /* |
386 | * Compute the bitmap parameters... | |
387 | */ | |
388 | ||
7e86f2f6 | 389 | h->cupsWidth = (unsigned)((right - left) * h->cupsBorderlessScalingFactor * |
fa73b229 | 390 | h->HWResolution[0] / 72.0f + 0.5f); |
7e86f2f6 | 391 | h->cupsHeight = (unsigned)((top - bottom) * h->cupsBorderlessScalingFactor * |
fa73b229 | 392 | h->HWResolution[1] / 72.0f + 0.5f); |
ef416fc2 | 393 | |
394 | switch (h->cupsColorSpace) | |
395 | { | |
396 | case CUPS_CSPACE_W : | |
397 | case CUPS_CSPACE_K : | |
398 | case CUPS_CSPACE_WHITE : | |
399 | case CUPS_CSPACE_GOLD : | |
400 | case CUPS_CSPACE_SILVER : | |
88f9aafc | 401 | case CUPS_CSPACE_SW : |
ef416fc2 | 402 | h->cupsNumColors = 1; |
403 | h->cupsBitsPerPixel = h->cupsBitsPerColor; | |
404 | break; | |
405 | ||
406 | default : | |
407 | /* | |
408 | * Ensure that colorimetric colorspaces use at least 8 bits per | |
409 | * component... | |
410 | */ | |
411 | ||
412 | if (h->cupsColorSpace >= CUPS_CSPACE_CIEXYZ && | |
413 | h->cupsBitsPerColor < 8) | |
414 | h->cupsBitsPerColor = 8; | |
415 | ||
416 | /* | |
417 | * Figure out the number of bits per pixel... | |
418 | */ | |
419 | ||
420 | if (h->cupsColorOrder == CUPS_ORDER_CHUNKED) | |
421 | { | |
422 | if (h->cupsBitsPerColor >= 8) | |
423 | h->cupsBitsPerPixel = h->cupsBitsPerColor * 3; | |
424 | else | |
425 | h->cupsBitsPerPixel = h->cupsBitsPerColor * 4; | |
426 | } | |
427 | else | |
428 | h->cupsBitsPerPixel = h->cupsBitsPerColor; | |
429 | ||
430 | h->cupsNumColors = 3; | |
431 | break; | |
432 | ||
433 | case CUPS_CSPACE_KCMYcm : | |
f301802f | 434 | if (h->cupsBitsPerColor == 1) |
ef416fc2 | 435 | { |
436 | if (h->cupsColorOrder == CUPS_ORDER_CHUNKED) | |
437 | h->cupsBitsPerPixel = 8; | |
438 | else | |
439 | h->cupsBitsPerPixel = 1; | |
440 | ||
441 | h->cupsNumColors = 6; | |
442 | break; | |
443 | } | |
444 | ||
445 | /* | |
446 | * Fall through to CMYK code... | |
447 | */ | |
448 | ||
449 | case CUPS_CSPACE_RGBA : | |
a74454a7 | 450 | case CUPS_CSPACE_RGBW : |
ef416fc2 | 451 | case CUPS_CSPACE_CMYK : |
452 | case CUPS_CSPACE_YMCK : | |
453 | case CUPS_CSPACE_KCMY : | |
454 | case CUPS_CSPACE_GMCK : | |
455 | case CUPS_CSPACE_GMCS : | |
456 | if (h->cupsColorOrder == CUPS_ORDER_CHUNKED) | |
457 | h->cupsBitsPerPixel = h->cupsBitsPerColor * 4; | |
458 | else | |
459 | h->cupsBitsPerPixel = h->cupsBitsPerColor; | |
460 | ||
461 | h->cupsNumColors = 4; | |
462 | break; | |
88f9aafc MS |
463 | |
464 | case CUPS_CSPACE_DEVICE1 : | |
465 | case CUPS_CSPACE_DEVICE2 : | |
466 | case CUPS_CSPACE_DEVICE3 : | |
467 | case CUPS_CSPACE_DEVICE4 : | |
468 | case CUPS_CSPACE_DEVICE5 : | |
469 | case CUPS_CSPACE_DEVICE6 : | |
470 | case CUPS_CSPACE_DEVICE7 : | |
471 | case CUPS_CSPACE_DEVICE8 : | |
472 | case CUPS_CSPACE_DEVICE9 : | |
473 | case CUPS_CSPACE_DEVICEA : | |
474 | case CUPS_CSPACE_DEVICEB : | |
475 | case CUPS_CSPACE_DEVICEC : | |
476 | case CUPS_CSPACE_DEVICED : | |
477 | case CUPS_CSPACE_DEVICEE : | |
478 | case CUPS_CSPACE_DEVICEF : | |
479 | h->cupsNumColors = h->cupsColorSpace - CUPS_CSPACE_DEVICE1 + 1; | |
480 | ||
481 | if (h->cupsColorOrder == CUPS_ORDER_CHUNKED) | |
482 | h->cupsBitsPerPixel = h->cupsBitsPerColor * h->cupsNumColors; | |
483 | else | |
484 | h->cupsBitsPerPixel = h->cupsBitsPerColor; | |
485 | break; | |
ef416fc2 | 486 | } |
487 | ||
488 | h->cupsBytesPerLine = (h->cupsBitsPerPixel * h->cupsWidth + 7) / 8; | |
489 | ||
490 | if (h->cupsColorOrder == CUPS_ORDER_BANDED) | |
491 | h->cupsBytesPerLine *= h->cupsNumColors; | |
492 | ||
493 | return (status); | |
494 | } | |
495 | ||
496 | ||
497 | /* | |
b86bc4cf | 498 | * '_cupsRasterExecPS()' - Execute PostScript code to initialize a page header. |
ef416fc2 | 499 | */ |
500 | ||
b86bc4cf | 501 | int /* O - 0 on success, -1 on error */ |
502 | _cupsRasterExecPS( | |
a74454a7 | 503 | cups_page_header2_t *h, /* O - Page header */ |
504 | int *preferred_bits,/* O - Preferred bits per color */ | |
b86bc4cf | 505 | const char *code) /* I - PS code to execute */ |
ef416fc2 | 506 | { |
b1564bae | 507 | int error = 0; /* Error condition? */ |
b86bc4cf | 508 | _cups_ps_stack_t *st; /* PostScript value stack */ |
509 | _cups_ps_obj_t *obj; /* Object from top of stack */ | |
510 | char *codecopy, /* Copy of code */ | |
511 | *codeptr; /* Pointer into copy of code */ | |
512 | ||
ef416fc2 | 513 | |
b86bc4cf | 514 | DEBUG_printf(("_cupsRasterExecPS(h=%p, preferred_bits=%p, code=\"%s\")\n", |
b1564bae | 515 | h, preferred_bits, code)); |
ef416fc2 | 516 | |
517 | /* | |
b86bc4cf | 518 | * Copy the PostScript code and create a stack... |
ef416fc2 | 519 | */ |
520 | ||
b86bc4cf | 521 | if ((codecopy = strdup(code)) == NULL) |
f7deaa1a | 522 | { |
523 | _cupsRasterAddError("Unable to duplicate code string.\n"); | |
b86bc4cf | 524 | return (-1); |
f7deaa1a | 525 | } |
b86bc4cf | 526 | |
527 | if ((st = new_stack()) == NULL) | |
528 | { | |
f7deaa1a | 529 | _cupsRasterAddError("Unable to create stack.\n"); |
b86bc4cf | 530 | free(codecopy); |
ef416fc2 | 531 | return (-1); |
b86bc4cf | 532 | } |
ef416fc2 | 533 | |
534 | /* | |
b86bc4cf | 535 | * Parse the PS string until we run out of data... |
ef416fc2 | 536 | */ |
537 | ||
b86bc4cf | 538 | codeptr = codecopy; |
539 | ||
540 | while ((obj = scan_ps(st, &codeptr)) != NULL) | |
ef416fc2 | 541 | { |
b86bc4cf | 542 | #ifdef DEBUG |
d9564ec7 MS |
543 | DEBUG_printf(("_cupsRasterExecPS: Stack (%d objects)", st->num_objs)); |
544 | DEBUG_object("_cupsRasterExecPS", obj); | |
b86bc4cf | 545 | #endif /* DEBUG */ |
546 | ||
547 | switch (obj->type) | |
548 | { | |
549 | default : | |
550 | /* Do nothing for regular values */ | |
551 | break; | |
552 | ||
553 | case CUPS_PS_CLEARTOMARK : | |
554 | pop_stack(st); | |
555 | ||
f7deaa1a | 556 | if (cleartomark_stack(st)) |
d9564ec7 | 557 | _cupsRasterAddError("cleartomark: Stack underflow.\n"); |
b86bc4cf | 558 | |
559 | #ifdef DEBUG | |
d9564ec7 MS |
560 | DEBUG_puts("1_cupsRasterExecPS: dup"); |
561 | DEBUG_stack("_cupsRasterExecPS", st); | |
b86bc4cf | 562 | #endif /* DEBUG */ |
563 | break; | |
564 | ||
565 | case CUPS_PS_COPY : | |
566 | pop_stack(st); | |
567 | if ((obj = pop_stack(st)) != NULL) | |
568 | { | |
569 | copy_stack(st, (int)obj->value.number); | |
570 | ||
571 | #ifdef DEBUG | |
ae71f5de | 572 | DEBUG_puts("_cupsRasterExecPS: copy"); |
d9564ec7 | 573 | DEBUG_stack("_cupsRasterExecPS", st); |
b86bc4cf | 574 | #endif /* DEBUG */ |
575 | } | |
576 | break; | |
577 | ||
578 | case CUPS_PS_DUP : | |
579 | pop_stack(st); | |
580 | copy_stack(st, 1); | |
581 | ||
582 | #ifdef DEBUG | |
ae71f5de | 583 | DEBUG_puts("_cupsRasterExecPS: dup"); |
d9564ec7 | 584 | DEBUG_stack("_cupsRasterExecPS", st); |
b86bc4cf | 585 | #endif /* DEBUG */ |
586 | break; | |
587 | ||
588 | case CUPS_PS_INDEX : | |
589 | pop_stack(st); | |
590 | if ((obj = pop_stack(st)) != NULL) | |
591 | { | |
592 | index_stack(st, (int)obj->value.number); | |
593 | ||
594 | #ifdef DEBUG | |
ae71f5de | 595 | DEBUG_puts("_cupsRasterExecPS: index"); |
d9564ec7 | 596 | DEBUG_stack("_cupsRasterExecPS", st); |
b86bc4cf | 597 | #endif /* DEBUG */ |
598 | } | |
599 | break; | |
600 | ||
601 | case CUPS_PS_POP : | |
602 | pop_stack(st); | |
603 | pop_stack(st); | |
604 | ||
605 | #ifdef DEBUG | |
ae71f5de | 606 | DEBUG_puts("_cupsRasterExecPS: pop"); |
d9564ec7 | 607 | DEBUG_stack("_cupsRasterExecPS", st); |
b86bc4cf | 608 | #endif /* DEBUG */ |
609 | break; | |
610 | ||
611 | case CUPS_PS_ROLL : | |
612 | pop_stack(st); | |
613 | if ((obj = pop_stack(st)) != NULL) | |
614 | { | |
615 | int c; /* Count */ | |
ef416fc2 | 616 | |
ef416fc2 | 617 | |
b86bc4cf | 618 | c = (int)obj->value.number; |
619 | ||
620 | if ((obj = pop_stack(st)) != NULL) | |
621 | { | |
622 | roll_stack(st, (int)obj->value.number, c); | |
623 | ||
624 | #ifdef DEBUG | |
ae71f5de | 625 | DEBUG_puts("_cupsRasterExecPS: roll"); |
d9564ec7 | 626 | DEBUG_stack("_cupsRasterExecPS", st); |
b86bc4cf | 627 | #endif /* DEBUG */ |
628 | } | |
629 | } | |
630 | break; | |
631 | ||
632 | case CUPS_PS_SETPAGEDEVICE : | |
633 | pop_stack(st); | |
634 | setpagedevice(st, h, preferred_bits); | |
635 | ||
636 | #ifdef DEBUG | |
ae71f5de | 637 | DEBUG_puts("_cupsRasterExecPS: setpagedevice"); |
d9564ec7 | 638 | DEBUG_stack("_cupsRasterExecPS", st); |
b86bc4cf | 639 | #endif /* DEBUG */ |
640 | break; | |
641 | ||
642 | case CUPS_PS_START_PROC : | |
643 | case CUPS_PS_END_PROC : | |
644 | case CUPS_PS_STOPPED : | |
645 | pop_stack(st); | |
646 | break; | |
647 | ||
648 | case CUPS_PS_OTHER : | |
d9564ec7 | 649 | _cupsRasterAddError("Unknown operator \"%s\".\n", obj->value.other); |
b1564bae | 650 | error = 1; |
d9564ec7 | 651 | DEBUG_printf(("_cupsRasterExecPS: Unknown operator \"%s\".", obj->value.other)); |
b86bc4cf | 652 | break; |
653 | } | |
654 | ||
b1564bae | 655 | if (error) |
ef416fc2 | 656 | break; |
b86bc4cf | 657 | } |
658 | ||
659 | /* | |
660 | * Cleanup... | |
661 | */ | |
662 | ||
663 | free(codecopy); | |
664 | ||
665 | if (st->num_objs > 0) | |
666 | { | |
f7deaa1a | 667 | error_stack(st, "Stack not empty:"); |
668 | ||
b86bc4cf | 669 | #ifdef DEBUG |
d9564ec7 MS |
670 | DEBUG_puts("_cupsRasterExecPS: Stack not empty"); |
671 | DEBUG_stack("_cupsRasterExecPS", st); | |
b86bc4cf | 672 | #endif /* DEBUG */ |
ef416fc2 | 673 | |
b86bc4cf | 674 | delete_stack(st); |
675 | ||
676 | return (-1); | |
677 | } | |
678 | ||
679 | delete_stack(st); | |
680 | ||
681 | /* | |
682 | * Return success... | |
683 | */ | |
684 | ||
685 | return (0); | |
686 | } | |
687 | ||
688 | ||
689 | /* | |
690 | * 'cleartomark_stack()' - Clear to the last mark ([) on the stack. | |
691 | */ | |
692 | ||
693 | static int /* O - 0 on success, -1 on error */ | |
694 | cleartomark_stack(_cups_ps_stack_t *st) /* I - Stack */ | |
695 | { | |
696 | _cups_ps_obj_t *obj; /* Current object on stack */ | |
697 | ||
698 | ||
699 | while ((obj = pop_stack(st)) != NULL) | |
700 | if (obj->type == CUPS_PS_START_ARRAY) | |
701 | break; | |
702 | ||
703 | return (obj ? 0 : -1); | |
704 | } | |
705 | ||
706 | ||
707 | /* | |
708 | * 'copy_stack()' - Copy the top N stack objects. | |
709 | */ | |
710 | ||
711 | static int /* O - 0 on success, -1 on error */ | |
712 | copy_stack(_cups_ps_stack_t *st, /* I - Stack */ | |
713 | int c) /* I - Number of objects to copy */ | |
714 | { | |
715 | int n; /* Index */ | |
716 | ||
717 | ||
718 | if (c < 0) | |
719 | return (-1); | |
720 | else if (c == 0) | |
721 | return (0); | |
722 | ||
723 | if ((n = st->num_objs - c) < 0) | |
724 | return (-1); | |
725 | ||
726 | while (c > 0) | |
727 | { | |
728 | if (!push_stack(st, st->objs + n)) | |
729 | return (-1); | |
730 | ||
731 | n ++; | |
732 | c --; | |
733 | } | |
734 | ||
735 | return (0); | |
736 | } | |
737 | ||
738 | ||
739 | /* | |
740 | * 'delete_stack()' - Free memory used by a stack. | |
741 | */ | |
742 | ||
743 | static void | |
744 | delete_stack(_cups_ps_stack_t *st) /* I - Stack */ | |
745 | { | |
746 | free(st->objs); | |
747 | free(st); | |
748 | } | |
749 | ||
750 | ||
f7deaa1a | 751 | /* |
752 | * 'error_object()' - Add an object's value to the current error message. | |
753 | */ | |
754 | ||
755 | static void | |
756 | error_object(_cups_ps_obj_t *obj) /* I - Object to add */ | |
757 | { | |
758 | switch (obj->type) | |
759 | { | |
760 | case CUPS_PS_NAME : | |
761 | _cupsRasterAddError(" /%s", obj->value.name); | |
762 | break; | |
763 | ||
764 | case CUPS_PS_NUMBER : | |
765 | _cupsRasterAddError(" %g", obj->value.number); | |
766 | break; | |
767 | ||
768 | case CUPS_PS_STRING : | |
769 | _cupsRasterAddError(" (%s)", obj->value.string); | |
770 | break; | |
771 | ||
772 | case CUPS_PS_BOOLEAN : | |
773 | if (obj->value.boolean) | |
774 | _cupsRasterAddError(" true"); | |
775 | else | |
776 | _cupsRasterAddError(" false"); | |
777 | break; | |
778 | ||
779 | case CUPS_PS_NULL : | |
780 | _cupsRasterAddError(" null"); | |
781 | break; | |
782 | ||
783 | case CUPS_PS_START_ARRAY : | |
784 | _cupsRasterAddError(" ["); | |
785 | break; | |
786 | ||
787 | case CUPS_PS_END_ARRAY : | |
788 | _cupsRasterAddError(" ]"); | |
789 | break; | |
790 | ||
791 | case CUPS_PS_START_DICT : | |
792 | _cupsRasterAddError(" <<"); | |
793 | break; | |
794 | ||
795 | case CUPS_PS_END_DICT : | |
796 | _cupsRasterAddError(" >>"); | |
797 | break; | |
798 | ||
799 | case CUPS_PS_START_PROC : | |
800 | _cupsRasterAddError(" {"); | |
801 | break; | |
802 | ||
803 | case CUPS_PS_END_PROC : | |
804 | _cupsRasterAddError(" }"); | |
805 | break; | |
806 | ||
807 | case CUPS_PS_COPY : | |
808 | _cupsRasterAddError(" --copy--"); | |
809 | break; | |
810 | ||
811 | case CUPS_PS_CLEARTOMARK : | |
812 | _cupsRasterAddError(" --cleartomark--"); | |
813 | break; | |
814 | ||
815 | case CUPS_PS_DUP : | |
816 | _cupsRasterAddError(" --dup--"); | |
817 | break; | |
818 | ||
819 | case CUPS_PS_INDEX : | |
820 | _cupsRasterAddError(" --index--"); | |
821 | break; | |
822 | ||
823 | case CUPS_PS_POP : | |
824 | _cupsRasterAddError(" --pop--"); | |
825 | break; | |
826 | ||
827 | case CUPS_PS_ROLL : | |
828 | _cupsRasterAddError(" --roll--"); | |
829 | break; | |
830 | ||
831 | case CUPS_PS_SETPAGEDEVICE : | |
832 | _cupsRasterAddError(" --setpagedevice--"); | |
833 | break; | |
834 | ||
835 | case CUPS_PS_STOPPED : | |
836 | _cupsRasterAddError(" --stopped--"); | |
837 | break; | |
838 | ||
839 | case CUPS_PS_OTHER : | |
840 | _cupsRasterAddError(" --%s--", obj->value.other); | |
841 | break; | |
842 | } | |
843 | } | |
844 | ||
845 | ||
846 | /* | |
847 | * 'error_stack()' - Add a stack to the current error message... | |
848 | */ | |
849 | ||
850 | static void | |
851 | error_stack(_cups_ps_stack_t *st, /* I - Stack */ | |
852 | const char *title) /* I - Title string */ | |
853 | { | |
854 | int c; /* Looping var */ | |
855 | _cups_ps_obj_t *obj; /* Current object on stack */ | |
856 | ||
857 | ||
85dda01c | 858 | _cupsRasterAddError("%s", title); |
f7deaa1a | 859 | |
860 | for (obj = st->objs, c = st->num_objs; c > 0; c --, obj ++) | |
861 | error_object(obj); | |
862 | ||
863 | _cupsRasterAddError("\n"); | |
864 | } | |
865 | ||
866 | ||
b86bc4cf | 867 | /* |
868 | * 'index_stack()' - Copy the Nth value on the stack. | |
869 | */ | |
870 | ||
871 | static _cups_ps_obj_t * /* O - New object */ | |
872 | index_stack(_cups_ps_stack_t *st, /* I - Stack */ | |
873 | int n) /* I - Object index */ | |
874 | { | |
875 | if (n < 0 || (n = st->num_objs - n - 1) < 0) | |
876 | return (NULL); | |
877 | ||
878 | return (push_stack(st, st->objs + n)); | |
879 | } | |
880 | ||
881 | ||
882 | /* | |
883 | * 'new_stack()' - Create a new stack. | |
884 | */ | |
885 | ||
886 | static _cups_ps_stack_t * /* O - New stack */ | |
887 | new_stack(void) | |
888 | { | |
889 | _cups_ps_stack_t *st; /* New stack */ | |
890 | ||
891 | ||
892 | if ((st = calloc(1, sizeof(_cups_ps_stack_t))) == NULL) | |
893 | return (NULL); | |
894 | ||
895 | st->alloc_objs = 32; | |
896 | ||
897 | if ((st->objs = calloc(32, sizeof(_cups_ps_obj_t))) == NULL) | |
898 | { | |
899 | free(st); | |
900 | return (NULL); | |
901 | } | |
902 | else | |
903 | return (st); | |
904 | } | |
905 | ||
906 | ||
907 | /* | |
908 | * 'pop_stock()' - Pop the top object off the stack. | |
909 | */ | |
910 | ||
911 | static _cups_ps_obj_t * /* O - Object */ | |
912 | pop_stack(_cups_ps_stack_t *st) /* I - Stack */ | |
913 | { | |
914 | if (st->num_objs > 0) | |
915 | { | |
916 | st->num_objs --; | |
917 | ||
918 | return (st->objs + st->num_objs); | |
919 | } | |
920 | else | |
921 | return (NULL); | |
922 | } | |
923 | ||
924 | ||
925 | /* | |
926 | * 'push_stack()' - Push an object on the stack. | |
927 | */ | |
928 | ||
929 | static _cups_ps_obj_t * /* O - New object */ | |
930 | push_stack(_cups_ps_stack_t *st, /* I - Stack */ | |
931 | _cups_ps_obj_t *obj) /* I - Object */ | |
932 | { | |
933 | _cups_ps_obj_t *temp; /* New object */ | |
934 | ||
935 | ||
936 | if (st->num_objs >= st->alloc_objs) | |
937 | { | |
938 | ||
939 | ||
940 | st->alloc_objs += 32; | |
941 | ||
7e86f2f6 | 942 | if ((temp = realloc(st->objs, (size_t)st->alloc_objs * |
b86bc4cf | 943 | sizeof(_cups_ps_obj_t))) == NULL) |
944 | return (NULL); | |
945 | ||
946 | st->objs = temp; | |
947 | memset(temp + st->num_objs, 0, 32 * sizeof(_cups_ps_obj_t)); | |
948 | } | |
949 | ||
950 | temp = st->objs + st->num_objs; | |
951 | st->num_objs ++; | |
952 | ||
953 | memcpy(temp, obj, sizeof(_cups_ps_obj_t)); | |
954 | ||
955 | return (temp); | |
956 | } | |
957 | ||
958 | ||
959 | /* | |
960 | * 'roll_stack()' - Rotate stack objects. | |
961 | */ | |
962 | ||
963 | static int /* O - 0 on success, -1 on error */ | |
964 | roll_stack(_cups_ps_stack_t *st, /* I - Stack */ | |
965 | int c, /* I - Number of objects */ | |
966 | int s) /* I - Amount to shift */ | |
967 | { | |
968 | _cups_ps_obj_t *temp; /* Temporary array of objects */ | |
969 | int n; /* Index into array */ | |
970 | ||
971 | ||
d9564ec7 | 972 | DEBUG_printf(("3roll_stack(st=%p, s=%d, c=%d)", st, s, c)); |
b86bc4cf | 973 | |
974 | /* | |
975 | * Range check input... | |
976 | */ | |
977 | ||
978 | if (c < 0) | |
979 | return (-1); | |
980 | else if (c == 0) | |
981 | return (0); | |
982 | ||
983 | if ((n = st->num_objs - c) < 0) | |
984 | return (-1); | |
985 | ||
986 | s %= c; | |
987 | ||
988 | if (s == 0) | |
989 | return (0); | |
990 | ||
991 | /* | |
992 | * Copy N objects and move things around... | |
993 | */ | |
994 | ||
995 | if (s < 0) | |
996 | { | |
ef416fc2 | 997 | /* |
b86bc4cf | 998 | * Shift down... |
ef416fc2 | 999 | */ |
1000 | ||
b86bc4cf | 1001 | s = -s; |
ef416fc2 | 1002 | |
7e86f2f6 | 1003 | if ((temp = calloc((size_t)s, sizeof(_cups_ps_obj_t))) == NULL) |
b86bc4cf | 1004 | return (-1); |
ef416fc2 | 1005 | |
7e86f2f6 MS |
1006 | memcpy(temp, st->objs + n, (size_t)s * sizeof(_cups_ps_obj_t)); |
1007 | memmove(st->objs + n, st->objs + n + s, (size_t)(c - s) * sizeof(_cups_ps_obj_t)); | |
1008 | memcpy(st->objs + n + c - s, temp, (size_t)s * sizeof(_cups_ps_obj_t)); | |
b86bc4cf | 1009 | } |
1010 | else | |
1011 | { | |
ef416fc2 | 1012 | /* |
b86bc4cf | 1013 | * Shift up... |
ef416fc2 | 1014 | */ |
1015 | ||
7e86f2f6 | 1016 | if ((temp = calloc((size_t)s, sizeof(_cups_ps_obj_t))) == NULL) |
b86bc4cf | 1017 | return (-1); |
ef416fc2 | 1018 | |
7e86f2f6 MS |
1019 | memcpy(temp, st->objs + n + c - s, (size_t)s * sizeof(_cups_ps_obj_t)); |
1020 | memmove(st->objs + n + s, st->objs + n, (size_t)(c - s) * sizeof(_cups_ps_obj_t)); | |
1021 | memcpy(st->objs + n, temp, (size_t)s * sizeof(_cups_ps_obj_t)); | |
b86bc4cf | 1022 | } |
ef416fc2 | 1023 | |
b86bc4cf | 1024 | free(temp); |
1025 | ||
1026 | return (0); | |
1027 | } | |
ef416fc2 | 1028 | |
ef416fc2 | 1029 | |
b86bc4cf | 1030 | /* |
1031 | * 'scan_ps()' - Scan a string for the next PS object. | |
1032 | */ | |
1033 | ||
1034 | static _cups_ps_obj_t * /* O - New object or NULL on EOF */ | |
1035 | scan_ps(_cups_ps_stack_t *st, /* I - Stack */ | |
1036 | char **ptr) /* IO - String pointer */ | |
1037 | { | |
1038 | _cups_ps_obj_t obj; /* Current object */ | |
1039 | char *start, /* Start of object */ | |
1040 | *cur, /* Current position */ | |
1041 | *valptr, /* Pointer into value string */ | |
1042 | *valend; /* End of value string */ | |
1043 | int parens; /* Parenthesis nesting level */ | |
ef416fc2 | 1044 | |
ef416fc2 | 1045 | |
b86bc4cf | 1046 | /* |
1047 | * Skip leading whitespace... | |
1048 | */ | |
1049 | ||
1050 | for (cur = *ptr; *cur; cur ++) | |
1051 | { | |
1052 | if (*cur == '%') | |
ef416fc2 | 1053 | { |
1054 | /* | |
b86bc4cf | 1055 | * Comment, skip to end of line... |
ef416fc2 | 1056 | */ |
1057 | ||
b86bc4cf | 1058 | for (cur ++; *cur && *cur != '\n' && *cur != '\r'; cur ++); |
b0f6947b MS |
1059 | |
1060 | if (!*cur) | |
1061 | cur --; | |
b86bc4cf | 1062 | } |
1063 | else if (!isspace(*cur & 255)) | |
1064 | break; | |
1065 | } | |
ef416fc2 | 1066 | |
b86bc4cf | 1067 | if (!*cur) |
1068 | { | |
1069 | *ptr = NULL; | |
ef416fc2 | 1070 | |
b86bc4cf | 1071 | return (NULL); |
1072 | } | |
ef416fc2 | 1073 | |
b86bc4cf | 1074 | /* |
1075 | * See what we have... | |
1076 | */ | |
ef416fc2 | 1077 | |
b86bc4cf | 1078 | memset(&obj, 0, sizeof(obj)); |
ef416fc2 | 1079 | |
b86bc4cf | 1080 | switch (*cur) |
1081 | { | |
1082 | case '(' : /* (string) */ | |
1083 | obj.type = CUPS_PS_STRING; | |
1084 | start = cur; | |
1085 | ||
1086 | for (cur ++, parens = 1, valptr = obj.value.string, | |
1087 | valend = obj.value.string + sizeof(obj.value.string) - 1; | |
1088 | *cur; | |
1089 | cur ++) | |
1090 | { | |
1091 | if (*cur == ')' && parens == 1) | |
1092 | break; | |
1093 | ||
1094 | if (*cur == '(') | |
1095 | parens ++; | |
1096 | else if (*cur == ')') | |
1097 | parens --; | |
1098 | ||
1099 | if (valptr >= valend) | |
1100 | { | |
1101 | *ptr = start; | |
1102 | ||
1103 | return (NULL); | |
1104 | } | |
1105 | ||
1106 | if (*cur == '\\') | |
1107 | { | |
1108 | /* | |
1109 | * Decode escaped character... | |
1110 | */ | |
1111 | ||
1112 | cur ++; | |
1113 | ||
1114 | if (*cur == 'b') | |
1115 | *valptr++ = '\b'; | |
1116 | else if (*cur == 'f') | |
1117 | *valptr++ = '\f'; | |
1118 | else if (*cur == 'n') | |
1119 | *valptr++ = '\n'; | |
1120 | else if (*cur == 'r') | |
1121 | *valptr++ = '\r'; | |
1122 | else if (*cur == 't') | |
1123 | *valptr++ = '\t'; | |
1124 | else if (*cur >= '0' && *cur <= '7') | |
1125 | { | |
1126 | int ch = *cur - '0'; | |
1127 | ||
1128 | if (cur[1] >= '0' && cur[1] <= '7') | |
1129 | { | |
1130 | cur ++; | |
1131 | ch = (ch << 3) + *cur - '0'; | |
1132 | } | |
1133 | ||
1134 | if (cur[1] >= '0' && cur[1] <= '7') | |
1135 | { | |
1136 | cur ++; | |
1137 | ch = (ch << 3) + *cur - '0'; | |
1138 | } | |
1139 | ||
7e86f2f6 | 1140 | *valptr++ = (char)ch; |
b86bc4cf | 1141 | } |
1142 | else if (*cur == '\r') | |
1143 | { | |
1144 | if (cur[1] == '\n') | |
1145 | cur ++; | |
1146 | } | |
1147 | else if (*cur != '\n') | |
1148 | *valptr++ = *cur; | |
1149 | } | |
1150 | else | |
1151 | *valptr++ = *cur; | |
1152 | } | |
1153 | ||
1154 | if (*cur != ')') | |
1155 | { | |
1156 | *ptr = start; | |
1157 | ||
1158 | return (NULL); | |
1159 | } | |
1160 | ||
1161 | cur ++; | |
1162 | break; | |
1163 | ||
1164 | case '[' : /* Start array */ | |
1165 | obj.type = CUPS_PS_START_ARRAY; | |
1166 | cur ++; | |
1167 | break; | |
1168 | ||
1169 | case ']' : /* End array */ | |
1170 | obj.type = CUPS_PS_END_ARRAY; | |
1171 | cur ++; | |
1172 | break; | |
1173 | ||
1174 | case '<' : /* Start dictionary or hex string */ | |
1175 | if (cur[1] == '<') | |
1176 | { | |
1177 | obj.type = CUPS_PS_START_DICT; | |
1178 | cur += 2; | |
1179 | } | |
ef416fc2 | 1180 | else |
b86bc4cf | 1181 | { |
1182 | obj.type = CUPS_PS_STRING; | |
1183 | start = cur; | |
1184 | ||
1185 | for (cur ++, valptr = obj.value.string, | |
1186 | valend = obj.value.string + sizeof(obj.value.string) - 1; | |
1187 | *cur; | |
1188 | cur ++) | |
1189 | { | |
1190 | int ch; /* Current character */ | |
1191 | ||
1192 | ||
1193 | ||
1194 | if (*cur == '>') | |
1195 | break; | |
1196 | else if (valptr >= valend || !isxdigit(*cur & 255)) | |
1197 | { | |
1198 | *ptr = start; | |
1199 | return (NULL); | |
1200 | } | |
1201 | ||
1202 | if (*cur >= '0' && *cur <= '9') | |
1203 | ch = (*cur - '0') << 4; | |
1204 | else | |
1205 | ch = (tolower(*cur) - 'a' + 10) << 4; | |
1206 | ||
1207 | if (isxdigit(cur[1] & 255)) | |
1208 | { | |
1209 | cur ++; | |
1210 | ||
1211 | if (*cur >= '0' && *cur <= '9') | |
1212 | ch |= *cur - '0'; | |
1213 | else | |
1214 | ch |= tolower(*cur) - 'a' + 10; | |
1215 | } | |
1216 | ||
7e86f2f6 | 1217 | *valptr++ = (char)ch; |
b86bc4cf | 1218 | } |
1219 | ||
1220 | if (*cur != '>') | |
1221 | { | |
1222 | *ptr = start; | |
1223 | return (NULL); | |
1224 | } | |
1225 | ||
1226 | cur ++; | |
1227 | } | |
1228 | break; | |
ef416fc2 | 1229 | |
b86bc4cf | 1230 | case '>' : /* End dictionary? */ |
1231 | if (cur[1] == '>') | |
1232 | { | |
1233 | obj.type = CUPS_PS_END_DICT; | |
1234 | cur += 2; | |
1235 | } | |
1236 | else | |
1237 | { | |
1238 | obj.type = CUPS_PS_OTHER; | |
1239 | obj.value.other[0] = *cur; | |
1240 | ||
1241 | cur ++; | |
1242 | } | |
1243 | break; | |
1244 | ||
1245 | case '{' : /* Start procedure */ | |
1246 | obj.type = CUPS_PS_START_PROC; | |
1247 | cur ++; | |
1248 | break; | |
1249 | ||
1250 | case '}' : /* End procedure */ | |
1251 | obj.type = CUPS_PS_END_PROC; | |
1252 | cur ++; | |
1253 | break; | |
1254 | ||
1255 | case '-' : /* Possible number */ | |
1256 | case '+' : | |
1257 | if (!isdigit(cur[1] & 255) && cur[1] != '.') | |
1258 | { | |
1259 | obj.type = CUPS_PS_OTHER; | |
1260 | obj.value.other[0] = *cur; | |
1261 | ||
1262 | cur ++; | |
1263 | break; | |
1264 | } | |
1265 | ||
1266 | case '0' : /* Number */ | |
1267 | case '1' : | |
1268 | case '2' : | |
1269 | case '3' : | |
1270 | case '4' : | |
1271 | case '5' : | |
1272 | case '6' : | |
1273 | case '7' : | |
1274 | case '8' : | |
1275 | case '9' : | |
1276 | case '.' : | |
1277 | obj.type = CUPS_PS_NUMBER; | |
1278 | ||
1279 | start = cur; | |
1280 | for (cur ++; *cur; cur ++) | |
1281 | if (!isdigit(*cur & 255)) | |
1282 | break; | |
1283 | ||
1284 | if (*cur == '#') | |
1285 | { | |
1286 | /* | |
1287 | * Integer with radix... | |
1288 | */ | |
1289 | ||
1290 | obj.value.number = strtol(cur + 1, &cur, atoi(start)); | |
1291 | break; | |
1292 | } | |
1293 | else if (strchr(".Ee()<>[]{}/%", *cur) || isspace(*cur & 255)) | |
1294 | { | |
1295 | /* | |
1296 | * Integer or real number... | |
1297 | */ | |
ef416fc2 | 1298 | |
b86bc4cf | 1299 | obj.value.number = _cupsStrScand(start, &cur, localeconv()); |
1300 | break; | |
1301 | } | |
1302 | else | |
1303 | cur = start; | |
ef416fc2 | 1304 | |
b86bc4cf | 1305 | default : /* Operator/variable name */ |
1306 | start = cur; | |
1307 | ||
1308 | if (*cur == '/') | |
1309 | { | |
1310 | obj.type = CUPS_PS_NAME; | |
1311 | valptr = obj.value.name; | |
1312 | valend = obj.value.name + sizeof(obj.value.name) - 1; | |
1313 | cur ++; | |
1314 | } | |
ef416fc2 | 1315 | else |
b86bc4cf | 1316 | { |
1317 | obj.type = CUPS_PS_OTHER; | |
1318 | valptr = obj.value.other; | |
1319 | valend = obj.value.other + sizeof(obj.value.other) - 1; | |
1320 | } | |
ef416fc2 | 1321 | |
b86bc4cf | 1322 | while (*cur) |
1323 | { | |
1324 | if (strchr("()<>[]{}/%", *cur) || isspace(*cur & 255)) | |
1325 | break; | |
1326 | else if (valptr < valend) | |
1327 | *valptr++ = *cur++; | |
1328 | else | |
1329 | { | |
1330 | *ptr = start; | |
1331 | return (NULL); | |
1332 | } | |
1333 | } | |
1334 | ||
1335 | if (obj.type == CUPS_PS_OTHER) | |
1336 | { | |
1337 | if (!strcmp(obj.value.other, "true")) | |
1338 | { | |
1339 | obj.type = CUPS_PS_BOOLEAN; | |
1340 | obj.value.boolean = 1; | |
1341 | } | |
1342 | else if (!strcmp(obj.value.other, "false")) | |
1343 | { | |
1344 | obj.type = CUPS_PS_BOOLEAN; | |
1345 | obj.value.boolean = 0; | |
1346 | } | |
1347 | else if (!strcmp(obj.value.other, "null")) | |
1348 | obj.type = CUPS_PS_NULL; | |
1349 | else if (!strcmp(obj.value.other, "cleartomark")) | |
1350 | obj.type = CUPS_PS_CLEARTOMARK; | |
1351 | else if (!strcmp(obj.value.other, "copy")) | |
1352 | obj.type = CUPS_PS_COPY; | |
1353 | else if (!strcmp(obj.value.other, "dup")) | |
1354 | obj.type = CUPS_PS_DUP; | |
1355 | else if (!strcmp(obj.value.other, "index")) | |
1356 | obj.type = CUPS_PS_INDEX; | |
1357 | else if (!strcmp(obj.value.other, "pop")) | |
1358 | obj.type = CUPS_PS_POP; | |
1359 | else if (!strcmp(obj.value.other, "roll")) | |
1360 | obj.type = CUPS_PS_ROLL; | |
1361 | else if (!strcmp(obj.value.other, "setpagedevice")) | |
1362 | obj.type = CUPS_PS_SETPAGEDEVICE; | |
1363 | else if (!strcmp(obj.value.other, "stopped")) | |
1364 | obj.type = CUPS_PS_STOPPED; | |
1365 | } | |
1366 | break; | |
1367 | } | |
1368 | ||
1369 | /* | |
1370 | * Save the current position in the string and return the new object... | |
1371 | */ | |
1372 | ||
1373 | *ptr = cur; | |
1374 | ||
1375 | return (push_stack(st, &obj)); | |
1376 | } | |
1377 | ||
1378 | ||
1379 | /* | |
1380 | * 'setpagedevice()' - Simulate the PostScript setpagedevice operator. | |
1381 | */ | |
1382 | ||
1383 | static int /* O - 0 on success, -1 on error */ | |
1384 | setpagedevice( | |
1385 | _cups_ps_stack_t *st, /* I - Stack */ | |
1386 | cups_page_header2_t *h, /* O - Page header */ | |
1387 | int *preferred_bits)/* O - Preferred bits per color */ | |
1388 | { | |
1389 | int i; /* Index into array */ | |
1390 | _cups_ps_obj_t *obj, /* Current object */ | |
1391 | *end; /* End of dictionary */ | |
1392 | const char *name; /* Attribute name */ | |
1393 | ||
1394 | ||
1395 | /* | |
1396 | * Make sure we have a dictionary on the stack... | |
1397 | */ | |
1398 | ||
1399 | if (st->num_objs == 0) | |
1400 | return (-1); | |
1401 | ||
1402 | obj = end = st->objs + st->num_objs - 1; | |
1403 | ||
1404 | if (obj->type != CUPS_PS_END_DICT) | |
1405 | return (-1); | |
1406 | ||
1407 | obj --; | |
1408 | ||
1409 | while (obj > st->objs) | |
1410 | { | |
1411 | if (obj->type == CUPS_PS_START_DICT) | |
1412 | break; | |
1413 | ||
1414 | obj --; | |
1415 | } | |
1416 | ||
1417 | if (obj < st->objs) | |
1418 | return (-1); | |
ef416fc2 | 1419 | |
b86bc4cf | 1420 | /* |
1421 | * Found the start of the dictionary, empty the stack to this point... | |
1422 | */ | |
1423 | ||
a2326b5b | 1424 | st->num_objs = (int)(obj - st->objs); |
b86bc4cf | 1425 | |
1426 | /* | |
1427 | * Now pull /name and value pairs from the dictionary... | |
1428 | */ | |
1429 | ||
d9564ec7 | 1430 | DEBUG_puts("3setpagedevice: Dictionary:"); |
b86bc4cf | 1431 | |
1432 | for (obj ++; obj < end; obj ++) | |
1433 | { | |
ef416fc2 | 1434 | /* |
b86bc4cf | 1435 | * Grab the name... |
ef416fc2 | 1436 | */ |
1437 | ||
b86bc4cf | 1438 | if (obj->type != CUPS_PS_NAME) |
1439 | return (-1); | |
1440 | ||
1441 | name = obj->value.name; | |
1442 | obj ++; | |
1443 | ||
1444 | #ifdef DEBUG | |
d9564ec7 MS |
1445 | DEBUG_printf(("4setpagedevice: /%s ", name)); |
1446 | DEBUG_object("setpagedevice", obj); | |
b86bc4cf | 1447 | #endif /* DEBUG */ |
1448 | ||
1449 | /* | |
1450 | * Then grab the value... | |
1451 | */ | |
1452 | ||
1453 | if (!strcmp(name, "MediaClass") && obj->type == CUPS_PS_STRING) | |
1454 | strlcpy(h->MediaClass, obj->value.string, sizeof(h->MediaClass)); | |
1455 | else if (!strcmp(name, "MediaColor") && obj->type == CUPS_PS_STRING) | |
1456 | strlcpy(h->MediaColor, obj->value.string, sizeof(h->MediaColor)); | |
1457 | else if (!strcmp(name, "MediaType") && obj->type == CUPS_PS_STRING) | |
1458 | strlcpy(h->MediaType, obj->value.string, sizeof(h->MediaType)); | |
1459 | else if (!strcmp(name, "OutputType") && obj->type == CUPS_PS_STRING) | |
1460 | strlcpy(h->OutputType, obj->value.string, sizeof(h->OutputType)); | |
1461 | else if (!strcmp(name, "AdvanceDistance") && obj->type == CUPS_PS_NUMBER) | |
1462 | h->AdvanceDistance = (unsigned)obj->value.number; | |
1463 | else if (!strcmp(name, "AdvanceMedia") && obj->type == CUPS_PS_NUMBER) | |
1464 | h->AdvanceMedia = (unsigned)obj->value.number; | |
1465 | else if (!strcmp(name, "Collate") && obj->type == CUPS_PS_BOOLEAN) | |
1466 | h->Collate = (unsigned)obj->value.boolean; | |
1467 | else if (!strcmp(name, "CutMedia") && obj->type == CUPS_PS_NUMBER) | |
1468 | h->CutMedia = (cups_cut_t)(unsigned)obj->value.number; | |
1469 | else if (!strcmp(name, "Duplex") && obj->type == CUPS_PS_BOOLEAN) | |
1470 | h->Duplex = (unsigned)obj->value.boolean; | |
1471 | else if (!strcmp(name, "HWResolution") && obj->type == CUPS_PS_START_ARRAY) | |
ef416fc2 | 1472 | { |
b86bc4cf | 1473 | if (obj[1].type == CUPS_PS_NUMBER && obj[2].type == CUPS_PS_NUMBER && |
1474 | obj[3].type == CUPS_PS_END_ARRAY) | |
1475 | { | |
1476 | h->HWResolution[0] = (unsigned)obj[1].value.number; | |
1477 | h->HWResolution[1] = (unsigned)obj[2].value.number; | |
1478 | obj += 3; | |
1479 | } | |
1480 | else | |
ef416fc2 | 1481 | return (-1); |
1482 | } | |
b86bc4cf | 1483 | else if (!strcmp(name, "InsertSheet") && obj->type == CUPS_PS_BOOLEAN) |
1484 | h->InsertSheet = (unsigned)obj->value.boolean; | |
1485 | else if (!strcmp(name, "Jog") && obj->type == CUPS_PS_NUMBER) | |
1486 | h->Jog = (unsigned)obj->value.number; | |
1487 | else if (!strcmp(name, "LeadingEdge") && obj->type == CUPS_PS_NUMBER) | |
1488 | h->LeadingEdge = (unsigned)obj->value.number; | |
1489 | else if (!strcmp(name, "ManualFeed") && obj->type == CUPS_PS_BOOLEAN) | |
1490 | h->ManualFeed = (unsigned)obj->value.boolean; | |
09a101d6 | 1491 | else if ((!strcmp(name, "cupsMediaPosition") || |
b86bc4cf | 1492 | !strcmp(name, "MediaPosition")) && obj->type == CUPS_PS_NUMBER) |
09a101d6 | 1493 | { |
1494 | /* | |
1495 | * cupsMediaPosition is supported for backwards compatibility only. | |
1496 | * We added it back in the Ghostscript 5.50 days to work around a | |
1497 | * bug in Ghostscript WRT handling of MediaPosition and setpagedevice. | |
1498 | * | |
1499 | * All new development should set MediaPosition... | |
1500 | */ | |
1501 | ||
b86bc4cf | 1502 | h->MediaPosition = (unsigned)obj->value.number; |
09a101d6 | 1503 | } |
b86bc4cf | 1504 | else if (!strcmp(name, "MediaWeight") && obj->type == CUPS_PS_NUMBER) |
1505 | h->MediaWeight = (unsigned)obj->value.number; | |
1506 | else if (!strcmp(name, "MirrorPrint") && obj->type == CUPS_PS_BOOLEAN) | |
1507 | h->MirrorPrint = (unsigned)obj->value.boolean; | |
1508 | else if (!strcmp(name, "NegativePrint") && obj->type == CUPS_PS_BOOLEAN) | |
1509 | h->NegativePrint = (unsigned)obj->value.boolean; | |
1510 | else if (!strcmp(name, "NumCopies") && obj->type == CUPS_PS_NUMBER) | |
1511 | h->NumCopies = (unsigned)obj->value.number; | |
1512 | else if (!strcmp(name, "Orientation") && obj->type == CUPS_PS_NUMBER) | |
1513 | h->Orientation = (unsigned)obj->value.number; | |
1514 | else if (!strcmp(name, "OutputFaceUp") && obj->type == CUPS_PS_BOOLEAN) | |
1515 | h->OutputFaceUp = (unsigned)obj->value.boolean; | |
1516 | else if (!strcmp(name, "PageSize") && obj->type == CUPS_PS_START_ARRAY) | |
ef416fc2 | 1517 | { |
b86bc4cf | 1518 | if (obj[1].type == CUPS_PS_NUMBER && obj[2].type == CUPS_PS_NUMBER && |
1519 | obj[3].type == CUPS_PS_END_ARRAY) | |
1520 | { | |
c8fef167 MS |
1521 | h->cupsPageSize[0] = (float)obj[1].value.number; |
1522 | h->cupsPageSize[1] = (float)obj[2].value.number; | |
b86bc4cf | 1523 | |
1524 | h->PageSize[0] = (unsigned)obj[1].value.number; | |
1525 | h->PageSize[1] = (unsigned)obj[2].value.number; | |
1526 | ||
1527 | obj += 3; | |
1528 | } | |
1529 | else | |
fa73b229 | 1530 | return (-1); |
ef416fc2 | 1531 | } |
b86bc4cf | 1532 | else if (!strcmp(name, "Separations") && obj->type == CUPS_PS_BOOLEAN) |
1533 | h->Separations = (unsigned)obj->value.boolean; | |
1534 | else if (!strcmp(name, "TraySwitch") && obj->type == CUPS_PS_BOOLEAN) | |
1535 | h->TraySwitch = (unsigned)obj->value.boolean; | |
1536 | else if (!strcmp(name, "Tumble") && obj->type == CUPS_PS_BOOLEAN) | |
1537 | h->Tumble = (unsigned)obj->value.boolean; | |
1538 | else if (!strcmp(name, "cupsMediaType") && obj->type == CUPS_PS_NUMBER) | |
1539 | h->cupsMediaType = (unsigned)obj->value.number; | |
1540 | else if (!strcmp(name, "cupsBitsPerColor") && obj->type == CUPS_PS_NUMBER) | |
1541 | h->cupsBitsPerColor = (unsigned)obj->value.number; | |
1542 | else if (!strcmp(name, "cupsPreferredBitsPerColor") && | |
1543 | obj->type == CUPS_PS_NUMBER) | |
1544 | *preferred_bits = (int)obj->value.number; | |
1545 | else if (!strcmp(name, "cupsColorOrder") && obj->type == CUPS_PS_NUMBER) | |
1546 | h->cupsColorOrder = (cups_order_t)(unsigned)obj->value.number; | |
1547 | else if (!strcmp(name, "cupsColorSpace") && obj->type == CUPS_PS_NUMBER) | |
1548 | h->cupsColorSpace = (cups_cspace_t)(unsigned)obj->value.number; | |
1549 | else if (!strcmp(name, "cupsCompression") && obj->type == CUPS_PS_NUMBER) | |
1550 | h->cupsCompression = (unsigned)obj->value.number; | |
1551 | else if (!strcmp(name, "cupsRowCount") && obj->type == CUPS_PS_NUMBER) | |
1552 | h->cupsRowCount = (unsigned)obj->value.number; | |
1553 | else if (!strcmp(name, "cupsRowFeed") && obj->type == CUPS_PS_NUMBER) | |
1554 | h->cupsRowFeed = (unsigned)obj->value.number; | |
1555 | else if (!strcmp(name, "cupsRowStep") && obj->type == CUPS_PS_NUMBER) | |
1556 | h->cupsRowStep = (unsigned)obj->value.number; | |
923edb68 | 1557 | else if (!strcmp(name, "cupsBorderlessScalingFactor") && |
b86bc4cf | 1558 | obj->type == CUPS_PS_NUMBER) |
c8fef167 | 1559 | h->cupsBorderlessScalingFactor = (float)obj->value.number; |
b86bc4cf | 1560 | else if (!strncmp(name, "cupsInteger", 11) && obj->type == CUPS_PS_NUMBER) |
ef416fc2 | 1561 | { |
b86bc4cf | 1562 | if ((i = atoi(name + 11)) < 0 || i > 15) |
ef416fc2 | 1563 | return (-1); |
1564 | ||
b86bc4cf | 1565 | h->cupsInteger[i] = (unsigned)obj->value.number; |
ef416fc2 | 1566 | } |
b86bc4cf | 1567 | else if (!strncmp(name, "cupsReal", 8) && obj->type == CUPS_PS_NUMBER) |
ef416fc2 | 1568 | { |
b86bc4cf | 1569 | if ((i = atoi(name + 8)) < 0 || i > 15) |
ef416fc2 | 1570 | return (-1); |
1571 | ||
c8fef167 | 1572 | h->cupsReal[i] = (float)obj->value.number; |
ef416fc2 | 1573 | } |
b86bc4cf | 1574 | else if (!strncmp(name, "cupsString", 10) && obj->type == CUPS_PS_STRING) |
ef416fc2 | 1575 | { |
b86bc4cf | 1576 | if ((i = atoi(name + 10)) < 0 || i > 15) |
ef416fc2 | 1577 | return (-1); |
1578 | ||
b86bc4cf | 1579 | strlcpy(h->cupsString[i], obj->value.string, sizeof(h->cupsString[i])); |
ef416fc2 | 1580 | } |
b86bc4cf | 1581 | else if (!strcmp(name, "cupsMarkerType") && obj->type == CUPS_PS_STRING) |
1582 | strlcpy(h->cupsMarkerType, obj->value.string, sizeof(h->cupsMarkerType)); | |
1583 | else if (!strcmp(name, "cupsPageSizeName") && obj->type == CUPS_PS_STRING) | |
1584 | strlcpy(h->cupsPageSizeName, obj->value.string, | |
1585 | sizeof(h->cupsPageSizeName)); | |
1586 | else if (!strcmp(name, "cupsRenderingIntent") && | |
1587 | obj->type == CUPS_PS_STRING) | |
1588 | strlcpy(h->cupsRenderingIntent, obj->value.string, | |
1589 | sizeof(h->cupsRenderingIntent)); | |
1590 | else | |
ef416fc2 | 1591 | { |
b86bc4cf | 1592 | /* |
1593 | * Ignore unknown name+value... | |
1594 | */ | |
1595 | ||
d9564ec7 | 1596 | DEBUG_printf(("4setpagedevice: Unknown name (\"%s\") or value...\n", name)); |
b86bc4cf | 1597 | |
1598 | while (obj[1].type != CUPS_PS_NAME && obj < end) | |
1599 | obj ++; | |
ef416fc2 | 1600 | } |
ef416fc2 | 1601 | } |
1602 | ||
ef416fc2 | 1603 | return (0); |
1604 | } | |
1605 | ||
1606 | ||
b86bc4cf | 1607 | #ifdef DEBUG |
1608 | /* | |
1609 | * 'DEBUG_object()' - Print an object's value... | |
1610 | */ | |
1611 | ||
1612 | static void | |
d9564ec7 MS |
1613 | DEBUG_object(const char *prefix, /* I - Prefix string */ |
1614 | _cups_ps_obj_t *obj) /* I - Object to print */ | |
b86bc4cf | 1615 | { |
1616 | switch (obj->type) | |
1617 | { | |
1618 | case CUPS_PS_NAME : | |
d9564ec7 | 1619 | DEBUG_printf(("4%s: /%s\n", prefix, obj->value.name)); |
b86bc4cf | 1620 | break; |
1621 | ||
1622 | case CUPS_PS_NUMBER : | |
d9564ec7 | 1623 | DEBUG_printf(("4%s: %g\n", prefix, obj->value.number)); |
b86bc4cf | 1624 | break; |
1625 | ||
1626 | case CUPS_PS_STRING : | |
d9564ec7 | 1627 | DEBUG_printf(("4%s: (%s)\n", prefix, obj->value.string)); |
b86bc4cf | 1628 | break; |
1629 | ||
1630 | case CUPS_PS_BOOLEAN : | |
1631 | if (obj->value.boolean) | |
d9564ec7 | 1632 | DEBUG_printf(("4%s: true", prefix)); |
b86bc4cf | 1633 | else |
d9564ec7 | 1634 | DEBUG_printf(("4%s: false", prefix)); |
b86bc4cf | 1635 | break; |
1636 | ||
1637 | case CUPS_PS_NULL : | |
d9564ec7 | 1638 | DEBUG_printf(("4%s: null", prefix)); |
b86bc4cf | 1639 | break; |
1640 | ||
1641 | case CUPS_PS_START_ARRAY : | |
d9564ec7 | 1642 | DEBUG_printf(("4%s: [", prefix)); |
b86bc4cf | 1643 | break; |
1644 | ||
1645 | case CUPS_PS_END_ARRAY : | |
d9564ec7 | 1646 | DEBUG_printf(("4%s: ]", prefix)); |
b86bc4cf | 1647 | break; |
1648 | ||
1649 | case CUPS_PS_START_DICT : | |
d9564ec7 | 1650 | DEBUG_printf(("4%s: <<", prefix)); |
b86bc4cf | 1651 | break; |
1652 | ||
1653 | case CUPS_PS_END_DICT : | |
d9564ec7 | 1654 | DEBUG_printf(("4%s: >>", prefix)); |
b86bc4cf | 1655 | break; |
1656 | ||
1657 | case CUPS_PS_START_PROC : | |
d9564ec7 | 1658 | DEBUG_printf(("4%s: {", prefix)); |
b86bc4cf | 1659 | break; |
1660 | ||
1661 | case CUPS_PS_END_PROC : | |
d9564ec7 | 1662 | DEBUG_printf(("4%s: }", prefix)); |
b86bc4cf | 1663 | break; |
1664 | ||
1665 | case CUPS_PS_CLEARTOMARK : | |
d9564ec7 | 1666 | DEBUG_printf(("4%s: --cleartomark--", prefix)); |
b86bc4cf | 1667 | break; |
1668 | ||
1669 | case CUPS_PS_COPY : | |
d9564ec7 | 1670 | DEBUG_printf(("4%s: --copy--", prefix)); |
b86bc4cf | 1671 | break; |
1672 | ||
1673 | case CUPS_PS_DUP : | |
d9564ec7 | 1674 | DEBUG_printf(("4%s: --dup--", prefix)); |
b86bc4cf | 1675 | break; |
1676 | ||
1677 | case CUPS_PS_INDEX : | |
d9564ec7 | 1678 | DEBUG_printf(("4%s: --index--", prefix)); |
b86bc4cf | 1679 | break; |
1680 | ||
1681 | case CUPS_PS_POP : | |
d9564ec7 | 1682 | DEBUG_printf(("4%s: --pop--", prefix)); |
b86bc4cf | 1683 | break; |
1684 | ||
1685 | case CUPS_PS_ROLL : | |
d9564ec7 | 1686 | DEBUG_printf(("4%s: --roll--", prefix)); |
b86bc4cf | 1687 | break; |
1688 | ||
1689 | case CUPS_PS_SETPAGEDEVICE : | |
d9564ec7 | 1690 | DEBUG_printf(("4%s: --setpagedevice--", prefix)); |
b86bc4cf | 1691 | break; |
1692 | ||
1693 | case CUPS_PS_STOPPED : | |
d9564ec7 | 1694 | DEBUG_printf(("4%s: --stopped--", prefix)); |
b86bc4cf | 1695 | break; |
1696 | ||
1697 | case CUPS_PS_OTHER : | |
d9564ec7 | 1698 | DEBUG_printf(("4%s: --%s--", prefix, obj->value.other)); |
b86bc4cf | 1699 | break; |
1700 | } | |
1701 | } | |
1702 | ||
1703 | ||
1704 | /* | |
1705 | * 'DEBUG_stack()' - Print a stack... | |
1706 | */ | |
1707 | ||
1708 | static void | |
d9564ec7 MS |
1709 | DEBUG_stack(const char *prefix, /* I - Prefix string */ |
1710 | _cups_ps_stack_t *st) /* I - Stack */ | |
b86bc4cf | 1711 | { |
1712 | int c; /* Looping var */ | |
1713 | _cups_ps_obj_t *obj; /* Current object on stack */ | |
1714 | ||
1715 | ||
1716 | for (obj = st->objs, c = st->num_objs; c > 0; c --, obj ++) | |
d9564ec7 | 1717 | DEBUG_object(prefix, obj); |
b86bc4cf | 1718 | } |
1719 | #endif /* DEBUG */ |