semantics.c

Wed, 19 Feb 2003 10:20:05 +0000

author
eric
date
Wed, 19 Feb 2003 10:20:05 +0000
changeset 55
43a9b9f27403
parent 49
be20d7e8466f
child 104
82cb954059c4
permissions
-rw-r--r--

fix error reporting in process_specs(). rename some functions for clarity.

eric@49 1 /*
eric@49 2 * t2p: Create a PDF file from the contents of one or more TIFF
eric@49 3 * bilevel image files. The images in the resulting PDF file
eric@49 4 * will be compressed using ITU-T T.6 (G4) fax encoding.
eric@49 5 *
eric@49 6 * Semantic routines for spec file parser
eric@55 7 * $Id: semantics.c,v 1.17 2003/02/19 02:20:05 eric Exp $
eric@49 8 * Copyright 2001, 2002, 2003 Eric Smith <eric@brouhaha.com>
eric@49 9 *
eric@49 10 * This program is free software; you can redistribute it and/or modify
eric@49 11 * it under the terms of the GNU General Public License version 2 as
eric@49 12 * published by the Free Software Foundation. Note that permission is
eric@49 13 * not granted to redistribute this program under the terms of any
eric@49 14 * other version of the General Public License.
eric@49 15 *
eric@49 16 * This program is distributed in the hope that it will be useful,
eric@49 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
eric@49 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
eric@49 19 * GNU General Public License for more details.
eric@49 20 *
eric@49 21 * You should have received a copy of the GNU General Public License
eric@49 22 * along with this program; if not, write to the Free Software
eric@49 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA */
eric@49 24
eric@49 25
eric@48 26 #include <stdbool.h>
eric@48 27 #include <stdint.h>
eric@18 28 #include <stdlib.h>
eric@18 29 #include <string.h>
eric@16 30 #include <stdio.h>
eric@16 31
eric@18 32 #include "semantics.h"
eric@16 33 #include "parser.tab.h"
eric@44 34 #include "t2p.h"
eric@16 35
eric@16 36
eric@22 37 typedef struct
eric@22 38 {
eric@48 39 bool has_page_size;
eric@32 40 page_size_t page_size;
eric@22 41
eric@48 42 bool has_rotation;
eric@22 43 int rotation;
eric@22 44
eric@48 45 bool has_crop;
eric@22 46 crop_t crop;
eric@22 47 } input_modifiers_t;
eric@22 48
eric@22 49
eric@22 50 typedef struct input_context_t
eric@22 51 {
eric@22 52 struct input_context_t *parent;
eric@22 53 struct input_context_t *next;
eric@22 54
eric@22 55 int image_count; /* how many pages reference this context,
eric@22 56 including those from subcontexts */
eric@22 57
eric@22 58 char *input_file;
eric@22 59
eric@22 60 input_modifiers_t modifiers [INPUT_MODIFIER_TYPE_COUNT];
eric@22 61 } input_context_t;
eric@22 62
eric@22 63
eric@22 64 typedef struct input_image_t
eric@22 65 {
eric@22 66 struct input_image_t *next;
eric@22 67 input_context_t *input_context;
eric@22 68 range_t range;
eric@22 69 } input_image_t;
eric@22 70
eric@22 71
eric@22 72 typedef struct output_context_t
eric@22 73 {
eric@22 74 struct output_context_t *parent;
eric@22 75 struct output_context_t *next;
eric@22 76
eric@22 77 int page_count; /* how many pages reference this context,
eric@22 78 including those from subcontexts */
eric@22 79
eric@22 80 char *output_file;
eric@30 81 pdf_file_attributes_t file_attributes;
eric@30 82
eric@22 83 bookmark_t *first_bookmark;
eric@22 84 bookmark_t *last_bookmark;
eric@25 85
eric@48 86 bool has_page_label;
eric@25 87 page_label_t page_label;
eric@22 88 } output_context_t;
eric@22 89
eric@22 90
eric@22 91 typedef struct output_page_t
eric@22 92 {
eric@22 93 struct output_page_t *next;
eric@22 94 output_context_t *output_context;
eric@22 95 range_t range;
eric@22 96 bookmark_t *bookmark_list;
eric@22 97 } output_page_t;
eric@22 98
eric@22 99
eric@36 100 #undef SEMANTIC_DEBUG
eric@36 101
eric@19 102 #ifdef SEMANTIC_DEBUG
eric@19 103 #define SDBG(x) printf x
eric@19 104 #else
eric@19 105 #define SDBG(x)
eric@19 106 #endif
eric@19 107
eric@19 108
eric@16 109 FILE *yyin;
eric@16 110 int line; /* line number in spec file */
eric@16 111
eric@24 112 int bookmark_level;
eric@16 113
eric@20 114 input_context_t *first_input_context;
eric@20 115 input_context_t *last_input_context;
eric@20 116
eric@20 117 input_modifier_type_t current_modifier_context;
eric@18 118
eric@20 119 input_image_t *first_input_image;
eric@20 120 input_image_t *last_input_image;
eric@18 121
eric@20 122 output_context_t *first_output_context;
eric@20 123 output_context_t *last_output_context;
eric@20 124
eric@20 125 output_page_t *first_output_page;
eric@20 126 output_page_t *last_output_page;
eric@16 127
eric@16 128
eric@19 129 void input_push_context (void)
eric@16 130 {
eric@18 131 input_context_t *new_input_context;
eric@18 132
eric@18 133 new_input_context = malloc (sizeof (input_context_t));
eric@18 134 if (! new_input_context)
eric@18 135 {
eric@20 136 fprintf (stderr, "failed to malloc an input context\n");
eric@18 137 return;
eric@18 138 }
eric@18 139
eric@20 140 if (last_input_context)
eric@18 141 {
eric@20 142 memcpy (new_input_context, last_input_context, sizeof (input_context_t));
eric@20 143 new_input_context->image_count = 0;
eric@18 144 }
eric@18 145 else
eric@20 146 {
eric@20 147 memset (new_input_context, 0, sizeof (input_context_t));
eric@20 148 first_input_context = new_input_context;
eric@20 149 }
eric@18 150
eric@20 151 new_input_context->parent = last_input_context;
eric@20 152 last_input_context = new_input_context;
eric@16 153 };
eric@16 154
eric@16 155 void input_pop_context (void)
eric@16 156 {
eric@20 157 if (! last_input_context)
eric@18 158 {
eric@18 159 fprintf (stderr, "failed to pop an input context\n");
eric@18 160 return;
eric@18 161 }
eric@18 162
eric@20 163 last_input_context = last_input_context->parent;
eric@16 164 };
eric@16 165
eric@19 166 void input_set_modifier_context (input_modifier_type_t type)
eric@19 167 {
eric@19 168 current_modifier_context = type;
eric@19 169 #ifdef SEMANTIC_DEBUG
eric@19 170 SDBG(("modifier type "));
eric@19 171 switch (type)
eric@19 172 {
eric@19 173 case INPUT_MODIFIER_ALL: SDBG(("all")); break;
eric@19 174 case INPUT_MODIFIER_ODD: SDBG(("odd")); break;
eric@19 175 case INPUT_MODIFIER_EVEN: SDBG(("even")); break;
eric@19 176 default: SDBG(("unknown %d", type));
eric@19 177 }
eric@19 178 SDBG(("\n"));
eric@19 179 #endif /* SEMANTIC_DEBUG */
eric@19 180 }
eric@19 181
eric@22 182 static void input_clone (void)
eric@20 183 {
eric@20 184 input_context_t *new_input_context;
eric@20 185
eric@20 186 if (! last_input_context->image_count)
eric@20 187 return;
eric@20 188
eric@20 189 new_input_context = malloc (sizeof (input_context_t));
eric@20 190 if (! new_input_context)
eric@20 191 {
eric@20 192 fprintf (stderr, "failed to malloc an input context\n");
eric@20 193 return;
eric@20 194 }
eric@20 195
eric@20 196 memcpy (new_input_context, last_input_context, sizeof (input_context_t));
eric@20 197 new_input_context->image_count = 0;
eric@20 198 last_input_context->next = new_input_context;
eric@45 199 last_input_context = new_input_context;
eric@20 200 }
eric@20 201
eric@16 202 void input_set_file (char *name)
eric@16 203 {
eric@20 204 input_clone ();
eric@20 205 last_input_context->input_file = name;
eric@16 206 };
eric@16 207
eric@19 208 void input_set_rotation (int rotation)
eric@19 209 {
eric@20 210 last_input_context->modifiers [current_modifier_context].has_rotation = 1;
eric@20 211 last_input_context->modifiers [current_modifier_context].rotation = rotation;
eric@19 212 SDBG(("rotation %d\n", rotation));
eric@19 213 }
eric@19 214
eric@32 215 void input_set_page_size (page_size_t size)
eric@32 216 {
eric@32 217 last_input_context->modifiers [current_modifier_context].has_page_size = 1;
eric@32 218 last_input_context->modifiers [current_modifier_context].page_size = size;
eric@32 219 SDBG(("page size %f, %f\n", size.width, size.height));
eric@32 220 }
eric@32 221
eric@22 222 static void increment_input_image_count (int count)
eric@16 223 {
eric@20 224 input_context_t *context;
eric@20 225
eric@20 226 for (context = last_input_context; context; context = context->parent)
eric@20 227 context->image_count += count;
eric@20 228 }
eric@20 229
eric@20 230 void input_images (range_t range)
eric@20 231 {
eric@20 232 input_image_t *new_image;
eric@20 233 int count = ((range.last - range.first) + 1);
eric@20 234
eric@19 235 #ifdef SEMANTIC_DEBUG
eric@20 236 if (range.first == range.last)
eric@20 237 SDBG(("image %d\n", range.first));
eric@16 238 else
eric@20 239 SDBG(("images %d..%d\n", range.first, range.last));
eric@19 240 #endif /* SEMANTIC_DEBUG */
eric@20 241
eric@20 242 new_image = calloc (1, sizeof (input_image_t));
eric@20 243 if (! new_image)
eric@20 244 {
eric@20 245 fprintf (stderr, "failed to malloc an input image struct\n");
eric@20 246 return;
eric@20 247 }
eric@20 248 if (first_input_image)
eric@20 249 {
eric@20 250 last_input_image->next = new_image;
eric@20 251 last_input_image = new_image;
eric@20 252 }
eric@20 253 else
eric@20 254 {
eric@20 255 first_input_image = last_input_image = new_image;
eric@20 256 }
eric@20 257 new_image->range = range;
eric@20 258 new_image->input_context = last_input_context;
eric@20 259 increment_input_image_count (count);
eric@16 260 }
eric@16 261
eric@18 262
eric@18 263 void output_push_context (void)
eric@18 264 {
eric@20 265 output_context_t *new_output_context;
eric@20 266
eric@20 267 new_output_context = malloc (sizeof (output_context_t));
eric@20 268 if (! new_output_context)
eric@20 269 {
eric@20 270 fprintf (stderr, "failed to malloc an output context\n");
eric@20 271 return;
eric@20 272 }
eric@20 273
eric@20 274 if (last_output_context)
eric@20 275 {
eric@20 276 memcpy (new_output_context, last_output_context, sizeof (output_context_t));
eric@20 277 new_output_context->page_count = 0;
eric@21 278 new_output_context->first_bookmark = NULL;
eric@21 279 new_output_context->last_bookmark = NULL;
eric@20 280 }
eric@20 281 else
eric@20 282 {
eric@20 283 memset (new_output_context, 0, sizeof (output_context_t));
eric@20 284 first_output_context = new_output_context;
eric@20 285 }
eric@20 286
eric@20 287 new_output_context->parent = last_output_context;
eric@20 288 last_output_context = new_output_context;
eric@18 289 };
eric@18 290
eric@20 291 void output_pop_context (void)
eric@20 292 {
eric@20 293 if (! last_output_context)
eric@20 294 {
eric@20 295 fprintf (stderr, "failed to pop an output context\n");
eric@20 296 return;
eric@20 297 }
eric@20 298
eric@20 299 last_output_context = last_output_context->parent;
eric@20 300 };
eric@20 301
eric@22 302 static void output_clone (void)
eric@20 303 {
eric@20 304 output_context_t *new_output_context;
eric@20 305
eric@20 306 if (! last_output_context->page_count)
eric@20 307 return;
eric@20 308
eric@20 309 new_output_context = malloc (sizeof (output_context_t));
eric@20 310 if (! new_output_context)
eric@20 311 {
eric@20 312 fprintf (stderr, "failed to malloc an output context\n");
eric@20 313 return;
eric@20 314 }
eric@20 315
eric@20 316 memcpy (new_output_context, last_output_context, sizeof (output_context_t));
eric@20 317 new_output_context->page_count = 0;
eric@20 318 last_output_context->next = new_output_context;
eric@20 319 }
eric@20 320
eric@16 321 void output_set_file (char *name)
eric@16 322 {
eric@20 323 output_clone ();
eric@20 324 last_output_context->output_file = name;
eric@30 325 last_output_context->file_attributes.author = NULL;
eric@30 326 last_output_context->file_attributes.creator = NULL;
eric@30 327 last_output_context->file_attributes.title = NULL;
eric@30 328 last_output_context->file_attributes.subject = NULL;
eric@30 329 last_output_context->file_attributes.keywords = NULL;
eric@16 330 };
eric@16 331
eric@30 332 void output_set_author (char *author)
eric@30 333 {
eric@30 334 last_output_context->file_attributes.author = author;
eric@30 335 }
eric@30 336
eric@30 337 void output_set_creator (char *creator)
eric@30 338 {
eric@30 339 last_output_context->file_attributes.creator = creator;
eric@30 340 }
eric@30 341
eric@30 342 void output_set_title (char *title)
eric@30 343 {
eric@30 344 last_output_context->file_attributes.title = title;
eric@30 345 }
eric@30 346
eric@30 347 void output_set_subject (char *subject)
eric@30 348 {
eric@30 349 last_output_context->file_attributes.subject = subject;
eric@30 350 }
eric@30 351
eric@30 352 void output_set_keywords (char *keywords)
eric@30 353 {
eric@30 354 last_output_context->file_attributes.keywords = keywords;
eric@30 355 }
eric@30 356
eric@20 357 void output_set_bookmark (char *name)
eric@16 358 {
eric@20 359 bookmark_t *new_bookmark;
eric@20 360
eric@20 361 /* As the language is defined (parser.y), a bookmark can only appear
eric@20 362 at the beginning of a context! */
eric@20 363 if (last_output_context->page_count)
eric@20 364 {
eric@20 365 fprintf (stderr, "internal error, bookmark not at beginning of context\n");
eric@20 366 exit (2);
eric@20 367 }
eric@20 368
eric@20 369 new_bookmark = calloc (1, sizeof (bookmark_t));
eric@20 370 if (! new_bookmark)
eric@20 371 {
eric@20 372 fprintf (stderr, "failed to calloc a bookmark\n");
eric@20 373 return;
eric@20 374 }
eric@20 375
eric@24 376 new_bookmark->level = bookmark_level;
eric@20 377 new_bookmark->name = name;
eric@20 378 if (last_output_context->first_bookmark)
eric@20 379 last_output_context->last_bookmark->next = new_bookmark;
eric@20 380 else
eric@20 381 last_output_context->first_bookmark = new_bookmark;
eric@20 382 last_output_context->last_bookmark = new_bookmark;
eric@20 383 }
eric@20 384
eric@25 385 void output_set_page_label (page_label_t label)
eric@20 386 {
eric@20 387 output_clone ();
eric@25 388 last_output_context->has_page_label = 1;
eric@25 389 last_output_context->page_label = label;
eric@20 390 }
eric@20 391
eric@22 392 static void increment_output_page_count (int count)
eric@20 393 {
eric@20 394 output_context_t *context;
eric@20 395
eric@20 396 for (context = last_output_context; context; context = context->parent)
eric@20 397 context->page_count += count;
eric@20 398 }
eric@20 399
eric@21 400
eric@20 401 void output_pages (range_t range)
eric@20 402 {
eric@20 403 output_page_t *new_page;
eric@21 404 output_context_t *context;
eric@20 405 int count = ((range.last - range.first) + 1);
eric@20 406
eric@19 407 #ifdef SEMANTIC_DEBUG
eric@20 408 if (range.first == range.last)
eric@20 409 SDBG(("page %d\n", range.first));
eric@16 410 else
eric@20 411 SDBG(("pages %d..%d\n", range.first, range.last));
eric@19 412 #endif /* SEMANTIC_DEBUG */
eric@20 413
eric@20 414 new_page = calloc (1, sizeof (output_page_t));
eric@20 415 if (! new_page)
eric@20 416 {
eric@20 417 fprintf (stderr, "failed to malloc an output page struct\n");
eric@20 418 return;
eric@20 419 }
eric@20 420 if (first_output_page)
eric@20 421 {
eric@20 422 last_output_page->next = new_page;
eric@20 423 last_output_page = new_page;
eric@20 424 }
eric@20 425 else
eric@20 426 {
eric@20 427 first_output_page = last_output_page = new_page;
eric@20 428 }
eric@20 429 new_page->range = range;
eric@20 430 new_page->output_context = last_output_context;
eric@20 431
eric@21 432 /* transfer bookmarks from context(s) to page */
eric@21 433 for (context = last_output_context; context; context = context->parent)
eric@21 434 if (context->first_bookmark)
eric@21 435 {
eric@21 436 context->last_bookmark->next = new_page->bookmark_list;
eric@21 437 new_page->bookmark_list = context->first_bookmark;
eric@21 438 context->first_bookmark = NULL;
eric@21 439 context->last_bookmark = NULL;
eric@21 440 }
eric@20 441
eric@20 442 increment_output_page_count (count);
eric@16 443 }
eric@16 444
eric@16 445
eric@16 446 void yyerror (char *s)
eric@16 447 {
eric@16 448 fprintf (stderr, "%d: %s\n", line, s);
eric@16 449 }
eric@16 450
eric@16 451
eric@55 452 static char *get_input_filename (input_context_t *context)
eric@20 453 {
eric@20 454 for (; context; context = context->parent)
eric@20 455 if (context->input_file)
eric@20 456 return (context->input_file);
eric@20 457 fprintf (stderr, "no input file name found\n");
eric@20 458 exit (2);
eric@20 459 }
eric@20 460
eric@48 461 static bool get_input_rotation (input_context_t *context,
eric@48 462 input_modifier_type_t type,
eric@48 463 int *rotation)
eric@20 464 {
eric@20 465 for (; context; context = context->parent)
eric@20 466 {
eric@20 467 if (context->modifiers [type].has_rotation)
eric@32 468 {
eric@32 469 * rotation = context->modifiers [type].rotation;
eric@32 470 return (1);
eric@32 471 }
eric@20 472 if (context->modifiers [INPUT_MODIFIER_ALL].has_rotation)
eric@32 473 {
eric@32 474 * rotation = context->modifiers [INPUT_MODIFIER_ALL].rotation;
eric@32 475 return (1);
eric@32 476 }
eric@32 477 }
eric@32 478 return (0); /* default */
eric@32 479 }
eric@32 480
eric@48 481 static bool get_input_page_size (input_context_t *context,
eric@48 482 input_modifier_type_t type,
eric@48 483 page_size_t *page_size)
eric@32 484 {
eric@32 485 for (; context; context = context->parent)
eric@32 486 {
eric@32 487 if (context->modifiers [type].has_page_size)
eric@32 488 {
eric@32 489 * page_size = context->modifiers [type].page_size;
eric@32 490 return (1);
eric@32 491 }
eric@32 492 if (context->modifiers [INPUT_MODIFIER_ALL].has_page_size)
eric@32 493 {
eric@32 494 * page_size = context->modifiers [INPUT_MODIFIER_ALL].page_size;
eric@32 495 return (1);
eric@32 496 }
eric@20 497 }
eric@20 498 return (0); /* default */
eric@20 499 }
eric@20 500
eric@55 501 static char *get_output_filename (output_context_t *context)
eric@20 502 {
eric@20 503 for (; context; context = context->parent)
eric@20 504 if (context->output_file)
eric@20 505 return (context->output_file);
eric@30 506 fprintf (stderr, "no output file found\n");
eric@30 507 exit (2);
eric@30 508 }
eric@30 509
eric@30 510 static pdf_file_attributes_t *get_output_file_attributes (output_context_t *context)
eric@30 511 {
eric@30 512 for (; context; context = context->parent)
eric@30 513 if (context->output_file)
eric@30 514 return (& context->file_attributes);
eric@30 515 fprintf (stderr, "no output file found\n");
eric@20 516 exit (2);
eric@20 517 }
eric@20 518
eric@25 519 static page_label_t *get_output_page_label (output_context_t *context)
eric@20 520 {
eric@20 521 for (; context; context = context->parent)
eric@25 522 if (context->has_page_label)
eric@25 523 return (& context->page_label);
eric@20 524 return (NULL); /* default */
eric@20 525 }
eric@20 526
eric@20 527
eric@20 528 #ifdef SEMANTIC_DEBUG
eric@20 529 void dump_input_tree (void)
eric@20 530 {
eric@20 531 input_image_t *image;
eric@20 532 int i;
eric@20 533
eric@20 534 printf ("input images:\n");
eric@20 535 for (image = first_input_image; image; image = image->next)
eric@20 536 for (i = image->range.first; i <= image->range.last; i++)
eric@20 537 {
eric@20 538 input_modifier_type_t parity = (i % 2) ? INPUT_MODIFIER_ODD : INPUT_MODIFIER_EVEN;
eric@48 539 bool has_rotation, has_page_size;
eric@32 540 int rotation;
eric@32 541 page_size_t page_size;
eric@32 542
eric@32 543 has_rotation = get_input_rotation (image->input_context,
eric@32 544 parity,
eric@32 545 & rotation);
eric@32 546 has_page_size = get_input_page_size (image->input_context,
eric@32 547 parity,
eric@32 548 & page_size);
eric@32 549 printf ("file '%s' image %d",
eric@55 550 get_input_filename (image->input_context),
eric@32 551 i);
eric@32 552 if (has_rotation)
eric@32 553 printf (" rotation %d", rotation);
eric@32 554 if (has_page_size)
eric@32 555 printf (" size %f, %f", page_size.width, page_size.height);
eric@32 556 printf ("\n");
eric@45 557 printf ("context: %08x\n", image->input_context);
eric@20 558 }
eric@20 559 }
eric@20 560
eric@20 561 void dump_output_tree (void)
eric@20 562 {
eric@20 563 int i;
eric@20 564 output_page_t *page;
eric@20 565 bookmark_t *bookmark;
eric@20 566
eric@20 567 printf ("output pages:\n");
eric@20 568 for (page = first_output_page; page; page = page->next)
eric@20 569 {
eric@20 570 if (page->bookmark_list)
eric@20 571 {
eric@20 572 for (bookmark = page->bookmark_list; bookmark; bookmark = bookmark->next)
eric@25 573 printf ("bookmark %d \"%s\"\n", bookmark->level, bookmark->name);
eric@20 574 }
eric@20 575 for (i = page->range.first; i <= page->range.last; i++)
eric@20 576 {
eric@25 577 page_label_t *label = get_output_page_label (page->output_context);
eric@55 578 printf ("file \"%s\" ", get_output_filename (page->output_context));
eric@25 579 if (label)
eric@25 580 {
eric@25 581 printf ("label ");
eric@25 582 if (label->prefix)
eric@25 583 printf ("\"%s\" ", label->prefix);
eric@25 584 if (label->style)
eric@25 585 printf ("'%c' ", label->style);
eric@25 586 }
eric@20 587 printf ("page %d\n", i);
eric@20 588 }
eric@20 589 }
eric@20 590 }
eric@20 591 #endif /* SEMANTIC_DEBUG */
eric@20 592
eric@25 593
eric@25 594 static inline int range_count (range_t range)
eric@25 595 {
eric@25 596 return ((range.last - range.first) + 1);
eric@25 597 }
eric@25 598
eric@25 599
eric@48 600 bool parse_spec_file (char *fn)
eric@16 601 {
eric@48 602 bool result = 0;
eric@16 603
eric@16 604 yyin = fopen (fn, "r");
eric@16 605 if (! yyin)
eric@16 606 {
eric@16 607 fprintf (stderr, "can't open spec file '%s'\n", fn);
eric@16 608 goto fail;
eric@16 609 }
eric@16 610
eric@16 611 line = 1;
eric@16 612
eric@20 613 input_push_context (); /* create root input context */
eric@20 614 input_push_context (); /* create inital input context */
eric@20 615
eric@20 616 output_push_context (); /* create root output context */
eric@18 617 output_push_context (); /* create initial output context */
eric@18 618
eric@16 619 yyparse ();
eric@16 620
eric@20 621 if (first_input_context->image_count != first_output_context->page_count)
eric@18 622 {
eric@20 623 fprintf (stderr, "input image count %d != output page count %d\n",
eric@20 624 first_input_context->image_count,
eric@20 625 first_output_context->page_count);
eric@18 626 goto fail;
eric@18 627 }
eric@18 628
eric@20 629 fprintf (stderr, "%d pages specified\n", first_input_context->image_count);
eric@18 630
eric@16 631 result = 1;
eric@16 632
eric@20 633 #ifdef SEMANTIC_DEBUG
eric@20 634 dump_input_tree ();
eric@20 635 dump_output_tree ();
eric@20 636 #endif /* SEMANTIC_DEBUG */
eric@20 637
eric@16 638 fail:
eric@16 639 if (yyin)
eric@16 640 fclose (yyin);
eric@16 641
eric@16 642 return (result);
eric@16 643 }
eric@26 644
eric@26 645
eric@48 646 bool process_specs (void)
eric@26 647 {
eric@26 648 input_image_t *image = NULL;
eric@26 649 output_page_t *page = NULL;
eric@26 650 int i = 0;
eric@26 651 int p = 0;
eric@26 652 int page_index = 0;
eric@26 653 input_attributes_t input_attributes;
eric@26 654 input_modifier_type_t parity;
eric@26 655 page_label_t *page_label;
eric@26 656
eric@26 657 for (;;)
eric@26 658 {
eric@26 659 if ((! image) || (i >= range_count (image->range)))
eric@26 660 {
eric@55 661 char *input_fn;
eric@26 662 if (image)
eric@26 663 image = image->next;
eric@26 664 else
eric@26 665 image = first_input_image;
eric@26 666 if (! image)
eric@55 667 return (1); /* done */
eric@26 668 i = 0;
eric@55 669 input_fn = get_input_filename (image->input_context);
eric@55 670 if (verbose)
eric@55 671 fprintf (stderr, "opening TIFF file '%s'\n", input_fn);
eric@55 672 if (! open_tiff_input_file (input_fn))
eric@55 673 {
eric@55 674 fprintf (stderr, "error opening TIFF file '%s'\n", input_fn);
eric@55 675 return (0);
eric@55 676 }
eric@26 677 }
eric@26 678
eric@26 679 if ((! page) || (p >= range_count (page->range)))
eric@26 680 {
eric@55 681 char *output_fn;
eric@26 682 if (page)
eric@26 683 page = page->next;
eric@26 684 else
eric@26 685 page = first_output_page;
eric@26 686 p = 0;
eric@55 687 output_fn = get_output_filename (page->output_context);
eric@55 688 if (verbose)
eric@55 689 fprintf (stderr, "opening PDF file '%s'\n", output_fn);
eric@55 690 if (! open_pdf_output_file (output_fn,
eric@30 691 get_output_file_attributes (page->output_context)))
eric@55 692 {
eric@55 693 fprintf (stderr, "error opening PDF file '%s'\n", output_fn);
eric@55 694 return (0);
eric@55 695 }
eric@26 696 page_label = get_output_page_label (page->output_context);
eric@26 697 process_page_numbers (page_index,
eric@26 698 range_count (page->range),
eric@26 699 page->range.first,
eric@26 700 page_label);
eric@26 701 }
eric@26 702
eric@26 703 parity = ((image->range.first + i) % 2) ? INPUT_MODIFIER_ODD : INPUT_MODIFIER_EVEN;
eric@26 704
eric@26 705 memset (& input_attributes, 0, sizeof (input_attributes));
eric@32 706
eric@32 707 input_attributes.rotation = 0;
eric@32 708 input_attributes.has_rotation = get_input_rotation (image->input_context,
eric@32 709 parity,
eric@32 710 & input_attributes.rotation);
eric@32 711
eric@32 712 input_attributes.has_page_size = get_input_page_size (image->input_context,
eric@32 713 parity,
eric@32 714 & input_attributes.page_size);
eric@26 715
eric@55 716 if (verbose)
eric@55 717 fprintf (stderr, "processing image %d\n", image->range.first + i);
eric@49 718 if (! process_page (image->range.first + i,
eric@49 719 input_attributes,
eric@49 720 page->bookmark_list))
eric@55 721 {
eric@55 722 fprintf (stderr, "error processing image %d\n", image->range.first + i);
eric@55 723 return (0);
eric@55 724 }
eric@26 725 i++;
eric@26 726 p++;
eric@26 727 page_index++;
eric@26 728 }
eric@26 729 }