Commit 20509770999f705c25670bb14a8bb83aa1cc5b96
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78b9d6bf
Add QPDFObjectHandle manipulation to C API
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ChangeLog
| 1 | +2020-11-28 Jay Berkenbilt <ejb@ql.org> | ||
| 2 | + | ||
| 3 | + * Add new functions to the C API for manipulating | ||
| 4 | + QPDFObjectHandles. The new functions allow creation and | ||
| 5 | + modification of objects, which brings a lot of additional power to | ||
| 6 | + the C API. See include/qpdf/qpdf-c.h for details and | ||
| 7 | + examples/pdf-c-objects.c for a simple example. | ||
| 8 | + | ||
| 1 | 2020-11-21 Jay Berkenbilt <ejb@ql.org> | 9 | 2020-11-21 Jay Berkenbilt <ejb@ql.org> |
| 2 | 10 | ||
| 3 | * 10.0.4: release | 11 | * 10.0.4: release |
examples/build.mk
| @@ -11,7 +11,9 @@ BINS_examples = \ | @@ -11,7 +11,9 @@ BINS_examples = \ | ||
| 11 | pdf-count-strings \ | 11 | pdf-count-strings \ |
| 12 | pdf-set-form-values \ | 12 | pdf-set-form-values \ |
| 13 | pdf-overlay-page | 13 | pdf-overlay-page |
| 14 | -CBINS_examples = pdf-linearize | 14 | +CBINS_examples = \ |
| 15 | + pdf-c-objects \ | ||
| 16 | + pdf-linearize | ||
| 15 | 17 | ||
| 16 | TARGETS_examples = $(foreach B,$(BINS_examples) $(CBINS_examples),examples/$(OUTPUT_DIR)/$(call binname,$(B))) | 18 | TARGETS_examples = $(foreach B,$(BINS_examples) $(CBINS_examples),examples/$(OUTPUT_DIR)/$(call binname,$(B))) |
| 17 | 19 |
examples/pdf-c-objects.c
0 → 100644
| 1 | +/* | ||
| 2 | + * This is an example program to demonstrate use of object handle | ||
| 3 | + * functions in the C API. | ||
| 4 | + */ | ||
| 5 | + | ||
| 6 | +#include <qpdf/qpdf-c.h> | ||
| 7 | +#include <stdio.h> | ||
| 8 | +#include <stdlib.h> | ||
| 9 | +#include <string.h> | ||
| 10 | + | ||
| 11 | +static char const* whoami = 0; | ||
| 12 | + | ||
| 13 | +static void usage() | ||
| 14 | +{ | ||
| 15 | + fprintf(stderr, "Usage: %s infile infile-password outfile\n", whoami); | ||
| 16 | + exit(2); | ||
| 17 | +} | ||
| 18 | + | ||
| 19 | +QPDF_BOOL | ||
| 20 | +modify_file(qpdf_data qpdf) | ||
| 21 | +{ | ||
| 22 | + /* This small example performs the following operation on the | ||
| 23 | + * document catalog (a.k.a. root): | ||
| 24 | + * - Remove PageLayout | ||
| 25 | + * - Remove OpenAction | ||
| 26 | + * - If there are outlines, set PageMode to UseOutlines; otherwise, | ||
| 27 | + * remove it. | ||
| 28 | + */ | ||
| 29 | + | ||
| 30 | + qpdf_oh root = qpdf_get_root(qpdf); | ||
| 31 | + qpdf_oh_remove_key(qpdf, root, "/PageLayout"); | ||
| 32 | + qpdf_oh_remove_key(qpdf, root, "/OpenAction"); | ||
| 33 | + /* 0 is never a valid qpdf_oh */ | ||
| 34 | + qpdf_oh pagemode = 0; | ||
| 35 | + if (qpdf_oh_is_dictionary( | ||
| 36 | + qpdf, qpdf_oh_get_key(qpdf, root, "/PageLabels"))) | ||
| 37 | + { | ||
| 38 | + pagemode = qpdf_oh_new_name(qpdf, "/UseOutlines"); | ||
| 39 | + } | ||
| 40 | + else | ||
| 41 | + { | ||
| 42 | + pagemode = qpdf_oh_new_null(qpdf); | ||
| 43 | + } | ||
| 44 | + qpdf_oh_replace_or_remove_key(qpdf, root, "/PageMode", pagemode); | ||
| 45 | + | ||
| 46 | + return QPDF_TRUE; | ||
| 47 | +} | ||
| 48 | + | ||
| 49 | +int main(int argc, char* argv[]) | ||
| 50 | +{ | ||
| 51 | + char* infile = NULL; | ||
| 52 | + char* password = NULL; | ||
| 53 | + char* outfile = NULL; | ||
| 54 | + qpdf_data qpdf = qpdf_init(); | ||
| 55 | + int warnings = 0; | ||
| 56 | + int errors = 0; | ||
| 57 | + char* p = 0; | ||
| 58 | + | ||
| 59 | + if ((p = strrchr(argv[0], '/')) != NULL) | ||
| 60 | + { | ||
| 61 | + whoami = p + 1; | ||
| 62 | + } | ||
| 63 | + else if ((p = strrchr(argv[0], '\\')) != NULL) | ||
| 64 | + { | ||
| 65 | + whoami = p + 1; | ||
| 66 | + } | ||
| 67 | + else | ||
| 68 | + { | ||
| 69 | + whoami = argv[0]; | ||
| 70 | + } | ||
| 71 | + | ||
| 72 | + if (argc != 4) | ||
| 73 | + { | ||
| 74 | + usage(); | ||
| 75 | + } | ||
| 76 | + | ||
| 77 | + infile = argv[1]; | ||
| 78 | + password = argv[2]; | ||
| 79 | + outfile = argv[3]; | ||
| 80 | + | ||
| 81 | + if (((qpdf_read(qpdf, infile, password) & QPDF_ERRORS) == 0) && | ||
| 82 | + modify_file(qpdf) && | ||
| 83 | + ((qpdf_init_write(qpdf, outfile) & QPDF_ERRORS) == 0)) | ||
| 84 | + { | ||
| 85 | + /* Use static ID for testing only. For production, a | ||
| 86 | + * non-static ID is used. See also | ||
| 87 | + * qpdf_set_deterministic_ID. */ | ||
| 88 | + qpdf_set_static_ID(qpdf, QPDF_TRUE); /* for testing only */ | ||
| 89 | + qpdf_write(qpdf); | ||
| 90 | + } | ||
| 91 | + while (qpdf_more_warnings(qpdf)) | ||
| 92 | + { | ||
| 93 | + warnings = 1; | ||
| 94 | + printf("warning: %s\n", | ||
| 95 | + qpdf_get_error_full_text(qpdf, qpdf_next_warning(qpdf))); | ||
| 96 | + } | ||
| 97 | + if (qpdf_has_error(qpdf)) | ||
| 98 | + { | ||
| 99 | + errors = 1; | ||
| 100 | + printf("error: %s\n", | ||
| 101 | + qpdf_get_error_full_text(qpdf, qpdf_get_error(qpdf))); | ||
| 102 | + } | ||
| 103 | + qpdf_cleanup(&qpdf); | ||
| 104 | + if (errors) | ||
| 105 | + { | ||
| 106 | + return 2; | ||
| 107 | + } | ||
| 108 | + else if (warnings) | ||
| 109 | + { | ||
| 110 | + return 3; | ||
| 111 | + } | ||
| 112 | + | ||
| 113 | + return 0; | ||
| 114 | +} |
examples/qtest/c-objects.test
0 → 100644
| 1 | +#!/usr/bin/env perl | ||
| 2 | +require 5.008; | ||
| 3 | +BEGIN { $^W = 1; } | ||
| 4 | +use strict; | ||
| 5 | + | ||
| 6 | +chdir("c-objects") or die "chdir testdir failed: $!\n"; | ||
| 7 | + | ||
| 8 | +require TestDriver; | ||
| 9 | + | ||
| 10 | +cleanup(); | ||
| 11 | + | ||
| 12 | +my $td = new TestDriver('c-objects'); | ||
| 13 | + | ||
| 14 | +my $qpdf = $ENV{'QPDF_BIN'} or die; | ||
| 15 | + | ||
| 16 | +foreach my $i (qw(1 2)) | ||
| 17 | +{ | ||
| 18 | + $td->runtest("c-objects ($i)", | ||
| 19 | + {$td->COMMAND => "pdf-c-objects $i.pdf '' a.pdf"}, | ||
| 20 | + {$td->STRING => "", $td->EXIT_STATUS => 0}); | ||
| 21 | + $td->runtest("check output", | ||
| 22 | + {$td->FILE => "a.pdf"}, | ||
| 23 | + {$td->FILE => "$i-out.pdf"}); | ||
| 24 | +} | ||
| 25 | + | ||
| 26 | +cleanup(); | ||
| 27 | + | ||
| 28 | +$td->report(4); | ||
| 29 | + | ||
| 30 | +sub cleanup | ||
| 31 | +{ | ||
| 32 | + unlink "a.pdf"; | ||
| 33 | +} |
examples/qtest/c-objects/1-out.pdf
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examples/qtest/c-objects/1.pdf
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| 1227 | +ET | ||
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| 1229 | +endobj | ||
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| 1240 | +stream | ||
| 1241 | +BT | ||
| 1242 | + /F1 24 Tf | ||
| 1243 | + 72 720 Td | ||
| 1244 | + (Potato 29) Tj | ||
| 1245 | +ET | ||
| 1246 | +endstream | ||
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| 1248 | + | ||
| 1249 | +94 0 obj | ||
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| 1261 | + | ||
| 1262 | +96 0 obj | ||
| 1263 | +<< | ||
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| 1267 | + /Count 4 | ||
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| 1269 | + /First 98 0 R | ||
| 1270 | + /Last 99 0 R | ||
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| 1275 | +97 0 obj | ||
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| 1277 | + /Type /Outline | ||
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| 1279 | + /Parent 95 0 R | ||
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| 1288 | + /Title (Amanda 1.1 -> 11: /Fit) | ||
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| 1290 | + /Next 99 0 R | ||
| 1291 | + /First 100 0 R | ||
| 1292 | + /Last 101 0 R | ||
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| 1295 | +>> | ||
| 1296 | +endobj | ||
| 1297 | + | ||
| 1298 | +99 0 obj | ||
| 1299 | +<< | ||
| 1300 | + /Type /Outline | ||
| 1301 | + /Title (Sandy 1.2 -> 13: /FitH 792) | ||
| 1302 | + /Parent 96 0 R | ||
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| 1323 | + | ||
| 1324 | +101 0 obj | ||
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| 1326 | + /Type /Outline | ||
| 1327 | + /Title (Isosicle 1.1.2 -> 12: /XYZ null null null) | ||
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| 1332 | + /Count 1 | ||
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| 1350 | + /Title (Isosicle 1.1.1.2 -> 19: /XYZ null null null) | ||
| 1351 | + /Parent 100 0 R | ||
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| 1356 | + | ||
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| 1360 | + /Title (Isosicle 1.1.2.1 -> 22: /XYZ null null null) | ||
| 1361 | + /Parent 101 0 R | ||
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| 1375 | + | ||
| 1376 | +106 0 obj | ||
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| 1498 | +>> | ||
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| 1500 | +13578 | ||
| 1501 | +%%EOF |
examples/qtest/c-objects/2-out.pdf
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examples/qtest/c-objects/2.pdf
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| 17 | + /Kids [ | ||
| 18 | + 3 0 R | ||
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include/qpdf/qpdf-c.h
| @@ -471,6 +471,230 @@ extern "C" { | @@ -471,6 +471,230 @@ extern "C" { | ||
| 471 | QPDF_DLL | 471 | QPDF_DLL |
| 472 | QPDF_ERROR_CODE qpdf_write(qpdf_data qpdf); | 472 | QPDF_ERROR_CODE qpdf_write(qpdf_data qpdf); |
| 473 | 473 | ||
| 474 | + /* Object handling. | ||
| 475 | + * | ||
| 476 | + * These methods take and return a qpdf_oh, which is just an | ||
| 477 | + * unsigned integer. The value 0 is never returned, which makes it | ||
| 478 | + * usable as an uninitialized value. | ||
| 479 | + * | ||
| 480 | + * Each function below, starting with qpdf_oh, corresponds to a | ||
| 481 | + * specific method of QPDFObjectHandler. For example, | ||
| 482 | + * qpdf_oh_is_bool corresponds to QPDFObjectHandle::isBool. If the | ||
| 483 | + * C++ method is overloaded, the C function's name will be | ||
| 484 | + * disambiguated. If the C++ method takes optional argumens, the C | ||
| 485 | + * method will have required arguments in those positions. For | ||
| 486 | + * details about the method, please see comments in | ||
| 487 | + * QPDFObjectHandle.hh. Comments here only explain things that are | ||
| 488 | + * specific to the "C" API. | ||
| 489 | + * | ||
| 490 | + * Only a fraction of the methods of QPDFObjectHandle are | ||
| 491 | + * available here. Most of the basic methods for creating, | ||
| 492 | + * accessing, and modifying most types of objects are present. | ||
| 493 | + * Most of the higher-level functions are not implemented. | ||
| 494 | + * Functions for dealing with content streams as well as objects | ||
| 495 | + * that only exist in content streams (operators and inline | ||
| 496 | + * images) are mostly not provided. | ||
| 497 | + * | ||
| 498 | + * To refer to a specific QPDFObjectHandle, you need a pair | ||
| 499 | + * consisting of a qpdf_data and a qpdf_oh, which is just an index | ||
| 500 | + * into an internal table of objects. All memory allocated by any | ||
| 501 | + * of these methods is returned when qpdf_cleanup is called. | ||
| 502 | + * | ||
| 503 | + * Regarding memory, the same rules apply as the above functions. | ||
| 504 | + * Specifically, if a method returns a char*, the memory is | ||
| 505 | + * managed by the library and, unless otherwise specified, is not | ||
| 506 | + * expected to be valid after the next qpdf call. | ||
| 507 | + * | ||
| 508 | + * The qpdf_data object keeps a cache of objects returned by these | ||
| 509 | + * methods. Once you are finished referencing an object, you can | ||
| 510 | + * optionally release it. Releasing objects is optional since they | ||
| 511 | + * will all get released by qpdf_cleanup, but it can help to | ||
| 512 | + * reduce the memory footprint of the qpdf_data object to release | ||
| 513 | + * them when you're done. Releasing an object does not destroy the | ||
| 514 | + * object. All QPDFObjectHandle objects are deleted when they are | ||
| 515 | + * no longer referenced. Releasing an object simply invalidates | ||
| 516 | + * the qpdf_oh handle to it. For example, if you create an object, | ||
| 517 | + * add it to an existing dictionary or array, and then release it, | ||
| 518 | + * the object is safely part of the dictionary or array. | ||
| 519 | + * Explicitly releasing an object is essentially the same as | ||
| 520 | + * letting a QPDFObjectHandle go out of scope in the C++ API. | ||
| 521 | + */ | ||
| 522 | + | ||
| 523 | + /* For examples of using this API, see examples/pdf-c-objects.c */ | ||
| 524 | + | ||
| 525 | + typedef unsigned int qpdf_oh; | ||
| 526 | + | ||
| 527 | + /* Releasing objects -- see comments above. These methods have no | ||
| 528 | + * equivalent in the C++ API. | ||
| 529 | + */ | ||
| 530 | + QPDF_DLL | ||
| 531 | + void qpdf_oh_release(qpdf_data data, qpdf_oh oh); | ||
| 532 | + QPDF_DLL | ||
| 533 | + void qpdf_oh_release_all(qpdf_data data); | ||
| 534 | + | ||
| 535 | + /* Get trailer and root objects */ | ||
| 536 | + QPDF_DLL | ||
| 537 | + qpdf_oh qpdf_get_trailer(qpdf_data data); | ||
| 538 | + QPDF_DLL | ||
| 539 | + qpdf_oh qpdf_get_root(qpdf_data data); | ||
| 540 | + | ||
| 541 | + /* Wrappers around QPDFObjectHandle methods. Be sure to read | ||
| 542 | + * corresponding comments in QPDFObjectHandle.hh to understand | ||
| 543 | + * what each function does and what kinds of objects it applies | ||
| 544 | + * to. | ||
| 545 | + */ | ||
| 546 | + | ||
| 547 | + QPDF_DLL | ||
| 548 | + QPDF_BOOL qpdf_oh_is_bool(qpdf_data data, qpdf_oh oh); | ||
| 549 | + QPDF_DLL | ||
| 550 | + QPDF_BOOL qpdf_oh_is_null(qpdf_data data, qpdf_oh oh); | ||
| 551 | + QPDF_DLL | ||
| 552 | + QPDF_BOOL qpdf_oh_is_integer(qpdf_data data, qpdf_oh oh); | ||
| 553 | + QPDF_DLL | ||
| 554 | + QPDF_BOOL qpdf_oh_is_real(qpdf_data data, qpdf_oh oh); | ||
| 555 | + QPDF_DLL | ||
| 556 | + QPDF_BOOL qpdf_oh_is_name(qpdf_data data, qpdf_oh oh); | ||
| 557 | + QPDF_DLL | ||
| 558 | + QPDF_BOOL qpdf_oh_is_string(qpdf_data data, qpdf_oh oh); | ||
| 559 | + QPDF_DLL | ||
| 560 | + QPDF_BOOL qpdf_oh_is_operator(qpdf_data data, qpdf_oh oh); | ||
| 561 | + QPDF_DLL | ||
| 562 | + QPDF_BOOL qpdf_oh_is_inline_image(qpdf_data data, qpdf_oh oh); | ||
| 563 | + QPDF_DLL | ||
| 564 | + QPDF_BOOL qpdf_oh_is_array(qpdf_data data, qpdf_oh oh); | ||
| 565 | + QPDF_DLL | ||
| 566 | + QPDF_BOOL qpdf_oh_is_dictionary(qpdf_data data, qpdf_oh oh); | ||
| 567 | + QPDF_DLL | ||
| 568 | + QPDF_BOOL qpdf_oh_is_stream(qpdf_data data, qpdf_oh oh); | ||
| 569 | + QPDF_DLL | ||
| 570 | + QPDF_BOOL qpdf_oh_is_indirect(qpdf_data data, qpdf_oh oh); | ||
| 571 | + QPDF_DLL | ||
| 572 | + QPDF_BOOL qpdf_oh_is_scalar(qpdf_data data, qpdf_oh oh); | ||
| 573 | + | ||
| 574 | + QPDF_DLL | ||
| 575 | + qpdf_oh qpdf_oh_wrap_in_array(qpdf_data data, qpdf_oh oh); | ||
| 576 | + | ||
| 577 | + QPDF_DLL | ||
| 578 | + qpdf_oh qpdf_oh_parse(qpdf_data data, char const* object_str); | ||
| 579 | + | ||
| 580 | + QPDF_DLL | ||
| 581 | + QPDF_BOOL qpdf_oh_get_bool_value(qpdf_data data, qpdf_oh oh); | ||
| 582 | + | ||
| 583 | + QPDF_DLL | ||
| 584 | + long long qpdf_oh_get_int_value(qpdf_data data, qpdf_oh oh); | ||
| 585 | + QPDF_DLL | ||
| 586 | + int qpdf_oh_get_int_value_as_int(qpdf_data data, qpdf_oh oh); | ||
| 587 | + QPDF_DLL | ||
| 588 | + unsigned long long qpdf_oh_get_uint_value(qpdf_data data, qpdf_oh oh); | ||
| 589 | + QPDF_DLL | ||
| 590 | + unsigned int qpdf_oh_get_uint_value_as_uint(qpdf_data data, qpdf_oh oh); | ||
| 591 | + | ||
| 592 | + QPDF_DLL | ||
| 593 | + char const* qpdf_oh_get_real_value(qpdf_data data, qpdf_oh oh); | ||
| 594 | + | ||
| 595 | + QPDF_DLL | ||
| 596 | + QPDF_BOOL qpdf_oh_is_number(qpdf_data data, qpdf_oh oh); | ||
| 597 | + QPDF_DLL | ||
| 598 | + double qpdf_oh_get_numeric_value(qpdf_data data, qpdf_oh oh); | ||
| 599 | + | ||
| 600 | + QPDF_DLL | ||
| 601 | + char const* qpdf_oh_get_name(qpdf_data data, qpdf_oh oh); | ||
| 602 | + | ||
| 603 | + QPDF_DLL | ||
| 604 | + char const* qpdf_oh_get_string_value(qpdf_data data, qpdf_oh oh); | ||
| 605 | + QPDF_DLL | ||
| 606 | + char const* qpdf_oh_get_utf8_value(qpdf_data data, qpdf_oh oh); | ||
| 607 | + | ||
| 608 | + QPDF_DLL | ||
| 609 | + int qpdf_oh_get_array_n_items(qpdf_data data, qpdf_oh oh); | ||
| 610 | + QPDF_DLL | ||
| 611 | + qpdf_oh qpdf_oh_get_array_item(qpdf_data data, qpdf_oh oh, int n); | ||
| 612 | + | ||
| 613 | + /* "C"-specific dictionary key iteration */ | ||
| 614 | + | ||
| 615 | + /* Iteration is allowed on only one dictionary at a time. */ | ||
| 616 | + QPDF_DLL | ||
| 617 | + void qpdf_oh_begin_dict_key_iter(qpdf_data data, qpdf_oh dict); | ||
| 618 | + QPDF_DLL | ||
| 619 | + QPDF_BOOL qpdf_oh_dict_more_keys(qpdf_data data); | ||
| 620 | + /* The memory returned by qpdf_oh_dict_next_key is owned by | ||
| 621 | + * qpdf_data. It is good until the next call to | ||
| 622 | + * qpdf_oh_dict_next_key with the same qpdf_data object. Calling | ||
| 623 | + * the method again, even with a different dict, invalidates | ||
| 624 | + * previous return values. | ||
| 625 | + */ | ||
| 626 | + QPDF_DLL | ||
| 627 | + char const* qpdf_oh_dict_next_key(qpdf_data data); | ||
| 628 | + | ||
| 629 | + /* end "C"-specific dictionary key iteration */ | ||
| 630 | + | ||
| 631 | + QPDF_DLL | ||
| 632 | + QPDF_BOOL qpdf_oh_has_key(qpdf_data data, qpdf_oh oh, char const* key); | ||
| 633 | + QPDF_DLL | ||
| 634 | + qpdf_oh qpdf_oh_get_key(qpdf_data data, qpdf_oh oh, char const* key); | ||
| 635 | + | ||
| 636 | + QPDF_DLL | ||
| 637 | + QPDF_BOOL qpdf_oh_is_or_has_name( | ||
| 638 | + qpdf_data data, qpdf_oh oh, char const* key); | ||
| 639 | + | ||
| 640 | + QPDF_DLL | ||
| 641 | + qpdf_oh qpdf_oh_new_null(qpdf_data data); | ||
| 642 | + QPDF_DLL | ||
| 643 | + qpdf_oh qpdf_oh_new_bool(qpdf_data data, QPDF_BOOL value); | ||
| 644 | + QPDF_DLL | ||
| 645 | + qpdf_oh qpdf_oh_new_integer(qpdf_data data, long long value); | ||
| 646 | + QPDF_DLL | ||
| 647 | + qpdf_oh qpdf_oh_new_real_from_string(qpdf_data data, char const* value); | ||
| 648 | + QPDF_DLL | ||
| 649 | + qpdf_oh qpdf_oh_new_real_from_double(qpdf_data data, | ||
| 650 | + double value, int decimal_places); | ||
| 651 | + QPDF_DLL | ||
| 652 | + qpdf_oh qpdf_oh_new_name(qpdf_data data, char const* name); | ||
| 653 | + QPDF_DLL | ||
| 654 | + qpdf_oh qpdf_oh_new_string(qpdf_data data, char const* str); | ||
| 655 | + QPDF_DLL | ||
| 656 | + qpdf_oh qpdf_oh_new_unicode_string(qpdf_data data, char const* utf8_str); | ||
| 657 | + QPDF_DLL | ||
| 658 | + qpdf_oh qpdf_oh_new_array(qpdf_data data); | ||
| 659 | + QPDF_DLL | ||
| 660 | + qpdf_oh qpdf_oh_new_dictionary(qpdf_data data); | ||
| 661 | + | ||
| 662 | + QPDF_DLL | ||
| 663 | + void qpdf_oh_make_direct(qpdf_data data, qpdf_oh oh); | ||
| 664 | + | ||
| 665 | + QPDF_DLL | ||
| 666 | + void qpdf_oh_set_array_item(qpdf_data data, qpdf_oh oh, | ||
| 667 | + int at, qpdf_oh item); | ||
| 668 | + QPDF_DLL | ||
| 669 | + void qpdf_oh_insert_item(qpdf_data data, qpdf_oh oh, int at, qpdf_oh item); | ||
| 670 | + QPDF_DLL | ||
| 671 | + void qpdf_oh_append_item(qpdf_data data, qpdf_oh oh, qpdf_oh item); | ||
| 672 | + QPDF_DLL | ||
| 673 | + void qpdf_oh_erase_item(qpdf_data data, qpdf_oh oh, int at); | ||
| 674 | + | ||
| 675 | + QPDF_DLL | ||
| 676 | + void qpdf_oh_replace_key(qpdf_data data, qpdf_oh oh, | ||
| 677 | + char const* key, qpdf_oh item); | ||
| 678 | + QPDF_DLL | ||
| 679 | + void qpdf_oh_remove_key(qpdf_data data, qpdf_oh oh, char const* key); | ||
| 680 | + QPDF_DLL | ||
| 681 | + void qpdf_oh_replace_or_remove_key(qpdf_data data, qpdf_oh oh, | ||
| 682 | + char const* key, qpdf_oh item); | ||
| 683 | + | ||
| 684 | + QPDF_DLL | ||
| 685 | + qpdf_oh qpdf_oh_get_dict(qpdf_data data, qpdf_oh oh); | ||
| 686 | + | ||
| 687 | + QPDF_DLL | ||
| 688 | + int qpdf_oh_get_object_id(qpdf_data data, qpdf_oh oh); | ||
| 689 | + QPDF_DLL | ||
| 690 | + int qpdf_oh_get_generation(qpdf_data data, qpdf_oh oh); | ||
| 691 | + | ||
| 692 | + QPDF_DLL | ||
| 693 | + char const* qpdf_oh_unparse(qpdf_data data, qpdf_oh oh); | ||
| 694 | + QPDF_DLL | ||
| 695 | + char const* qpdf_oh_unparse_resolved(qpdf_data data, qpdf_oh oh); | ||
| 696 | + QPDF_DLL | ||
| 697 | + char const* qpdf_oh_unparse_binary(qpdf_data data, qpdf_oh oh); | ||
| 474 | #ifdef __cplusplus | 698 | #ifdef __cplusplus |
| 475 | } | 699 | } |
| 476 | #endif | 700 | #endif |
libqpdf/qpdf-c.cc
| @@ -6,6 +6,7 @@ | @@ -6,6 +6,7 @@ | ||
| 6 | #include <qpdf/QPDFExc.hh> | 6 | #include <qpdf/QPDFExc.hh> |
| 7 | #include <qpdf/Pl_Discard.hh> | 7 | #include <qpdf/Pl_Discard.hh> |
| 8 | #include <qpdf/QIntC.hh> | 8 | #include <qpdf/QIntC.hh> |
| 9 | +#include <qpdf/QUtil.hh> | ||
| 9 | 10 | ||
| 10 | #include <list> | 11 | #include <list> |
| 11 | #include <string> | 12 | #include <string> |
| @@ -37,10 +38,18 @@ struct _qpdf_data | @@ -37,10 +38,18 @@ struct _qpdf_data | ||
| 37 | char const* password; | 38 | char const* password; |
| 38 | bool write_memory; | 39 | bool write_memory; |
| 39 | PointerHolder<Buffer> output_buffer; | 40 | PointerHolder<Buffer> output_buffer; |
| 41 | + | ||
| 42 | + // QPDFObjectHandle support | ||
| 43 | + std::map<qpdf_oh, PointerHolder<QPDFObjectHandle>> oh_cache; | ||
| 44 | + qpdf_oh next_oh; | ||
| 45 | + std::set<std::string> cur_iter_dict_keys; | ||
| 46 | + std::set<std::string>::const_iterator dict_iter; | ||
| 47 | + std::string cur_dict_key; | ||
| 40 | }; | 48 | }; |
| 41 | 49 | ||
| 42 | _qpdf_data::_qpdf_data() : | 50 | _qpdf_data::_qpdf_data() : |
| 43 | - write_memory(false) | 51 | + write_memory(false), |
| 52 | + next_oh(0) | ||
| 44 | { | 53 | { |
| 45 | } | 54 | } |
| 46 | 55 | ||
| @@ -134,6 +143,7 @@ qpdf_data qpdf_init() | @@ -134,6 +143,7 @@ qpdf_data qpdf_init() | ||
| 134 | void qpdf_cleanup(qpdf_data* qpdf) | 143 | void qpdf_cleanup(qpdf_data* qpdf) |
| 135 | { | 144 | { |
| 136 | QTC::TC("qpdf", "qpdf-c called qpdf_cleanup"); | 145 | QTC::TC("qpdf", "qpdf-c called qpdf_cleanup"); |
| 146 | + qpdf_oh_release_all(*qpdf); | ||
| 137 | delete *qpdf; | 147 | delete *qpdf; |
| 138 | *qpdf = 0; | 148 | *qpdf = 0; |
| 139 | } | 149 | } |
| @@ -749,3 +759,592 @@ QPDF_ERROR_CODE qpdf_write(qpdf_data qpdf) | @@ -749,3 +759,592 @@ QPDF_ERROR_CODE qpdf_write(qpdf_data qpdf) | ||
| 749 | QTC::TC("qpdf", "qpdf-c called qpdf_write", (status == 0) ? 0 : 1); | 759 | QTC::TC("qpdf", "qpdf-c called qpdf_write", (status == 0) ? 0 : 1); |
| 750 | return status; | 760 | return status; |
| 751 | } | 761 | } |
| 762 | + | ||
| 763 | +static qpdf_oh | ||
| 764 | +new_object(qpdf_data qpdf, QPDFObjectHandle const& qoh) | ||
| 765 | +{ | ||
| 766 | + qpdf_oh oh = ++qpdf->next_oh; // never return 0 | ||
| 767 | + qpdf->oh_cache[oh] = new QPDFObjectHandle(qoh); | ||
| 768 | + return oh; | ||
| 769 | +} | ||
| 770 | + | ||
| 771 | +void qpdf_oh_release(qpdf_data qpdf, qpdf_oh oh) | ||
| 772 | +{ | ||
| 773 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_release"); | ||
| 774 | + qpdf->oh_cache.erase(oh); | ||
| 775 | +} | ||
| 776 | + | ||
| 777 | +void qpdf_oh_release_all(qpdf_data qpdf) | ||
| 778 | +{ | ||
| 779 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_release_all"); | ||
| 780 | + qpdf->oh_cache.clear(); | ||
| 781 | +} | ||
| 782 | + | ||
| 783 | +qpdf_oh qpdf_get_trailer(qpdf_data qpdf) | ||
| 784 | +{ | ||
| 785 | + QTC::TC("qpdf", "qpdf-c called qpdf_get_trailer"); | ||
| 786 | + return new_object(qpdf, qpdf->qpdf->getTrailer()); | ||
| 787 | +} | ||
| 788 | + | ||
| 789 | +qpdf_oh qpdf_get_root(qpdf_data qpdf) | ||
| 790 | +{ | ||
| 791 | + QTC::TC("qpdf", "qpdf-c called qpdf_get_root"); | ||
| 792 | + return new_object(qpdf, qpdf->qpdf->getRoot()); | ||
| 793 | +} | ||
| 794 | + | ||
| 795 | +static bool | ||
| 796 | +qpdf_oh_valid_internal(qpdf_data qpdf, qpdf_oh oh) | ||
| 797 | +{ | ||
| 798 | + auto i = qpdf->oh_cache.find(oh); | ||
| 799 | + bool result = ((i != qpdf->oh_cache.end()) && | ||
| 800 | + (i->second).getPointer() && | ||
| 801 | + (i->second)->isInitialized()); | ||
| 802 | + if (! result) | ||
| 803 | + { | ||
| 804 | + QTC::TC("qpdf", "qpdf-c invalid object handle"); | ||
| 805 | + qpdf->warnings.push_back( | ||
| 806 | + QPDFExc( | ||
| 807 | + qpdf_e_damaged_pdf, | ||
| 808 | + qpdf->qpdf->getFilename(), | ||
| 809 | + std::string("C API object handle ") + | ||
| 810 | + QUtil::uint_to_string(oh), | ||
| 811 | + 0, "attempted access to unknown/uninitialized object handle")); | ||
| 812 | + } | ||
| 813 | + return result; | ||
| 814 | +} | ||
| 815 | + | ||
| 816 | +QPDF_BOOL qpdf_oh_is_bool(qpdf_data qpdf, qpdf_oh oh) | ||
| 817 | +{ | ||
| 818 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_bool"); | ||
| 819 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 820 | + qpdf->oh_cache[oh]->isBool()); | ||
| 821 | +} | ||
| 822 | + | ||
| 823 | +QPDF_BOOL qpdf_oh_is_null(qpdf_data qpdf, qpdf_oh oh) | ||
| 824 | +{ | ||
| 825 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_null"); | ||
| 826 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 827 | + qpdf->oh_cache[oh]->isNull()); | ||
| 828 | +} | ||
| 829 | + | ||
| 830 | +QPDF_BOOL qpdf_oh_is_integer(qpdf_data qpdf, qpdf_oh oh) | ||
| 831 | +{ | ||
| 832 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_integer"); | ||
| 833 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 834 | + qpdf->oh_cache[oh]->isInteger()); | ||
| 835 | +} | ||
| 836 | + | ||
| 837 | +QPDF_BOOL qpdf_oh_is_real(qpdf_data qpdf, qpdf_oh oh) | ||
| 838 | +{ | ||
| 839 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_real"); | ||
| 840 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 841 | + qpdf->oh_cache[oh]->isReal()); | ||
| 842 | +} | ||
| 843 | + | ||
| 844 | +QPDF_BOOL qpdf_oh_is_name(qpdf_data qpdf, qpdf_oh oh) | ||
| 845 | +{ | ||
| 846 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_name"); | ||
| 847 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 848 | + qpdf->oh_cache[oh]->isName()); | ||
| 849 | +} | ||
| 850 | + | ||
| 851 | +QPDF_BOOL qpdf_oh_is_string(qpdf_data qpdf, qpdf_oh oh) | ||
| 852 | +{ | ||
| 853 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_string"); | ||
| 854 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 855 | + qpdf->oh_cache[oh]->isString()); | ||
| 856 | +} | ||
| 857 | + | ||
| 858 | +QPDF_BOOL qpdf_oh_is_operator(qpdf_data qpdf, qpdf_oh oh) | ||
| 859 | +{ | ||
| 860 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_operator"); | ||
| 861 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 862 | + qpdf->oh_cache[oh]->isOperator()); | ||
| 863 | +} | ||
| 864 | + | ||
| 865 | +QPDF_BOOL qpdf_oh_is_inline_image(qpdf_data qpdf, qpdf_oh oh) | ||
| 866 | +{ | ||
| 867 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_inline_image"); | ||
| 868 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 869 | + qpdf->oh_cache[oh]->isInlineImage()); | ||
| 870 | +} | ||
| 871 | + | ||
| 872 | +QPDF_BOOL qpdf_oh_is_array(qpdf_data qpdf, qpdf_oh oh) | ||
| 873 | +{ | ||
| 874 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_array"); | ||
| 875 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 876 | + qpdf->oh_cache[oh]->isArray()); | ||
| 877 | +} | ||
| 878 | + | ||
| 879 | +QPDF_BOOL qpdf_oh_is_dictionary(qpdf_data qpdf, qpdf_oh oh) | ||
| 880 | +{ | ||
| 881 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_dictionary"); | ||
| 882 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 883 | + qpdf->oh_cache[oh]->isDictionary()); | ||
| 884 | +} | ||
| 885 | + | ||
| 886 | +QPDF_BOOL qpdf_oh_is_stream(qpdf_data qpdf, qpdf_oh oh) | ||
| 887 | +{ | ||
| 888 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_stream"); | ||
| 889 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 890 | + qpdf->oh_cache[oh]->isStream()); | ||
| 891 | +} | ||
| 892 | + | ||
| 893 | +QPDF_BOOL qpdf_oh_is_indirect(qpdf_data qpdf, qpdf_oh oh) | ||
| 894 | +{ | ||
| 895 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_indirect"); | ||
| 896 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 897 | + qpdf->oh_cache[oh]->isIndirect()); | ||
| 898 | +} | ||
| 899 | + | ||
| 900 | +QPDF_BOOL qpdf_oh_is_scalar(qpdf_data qpdf, qpdf_oh oh) | ||
| 901 | +{ | ||
| 902 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_scalar"); | ||
| 903 | + return (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 904 | + qpdf->oh_cache[oh]->isScalar()); | ||
| 905 | +} | ||
| 906 | + | ||
| 907 | +qpdf_oh qpdf_oh_wrap_in_array(qpdf_data qpdf, qpdf_oh oh) | ||
| 908 | +{ | ||
| 909 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 910 | + { | ||
| 911 | + return qpdf_oh_new_array(qpdf); | ||
| 912 | + } | ||
| 913 | + auto qoh = qpdf->oh_cache[oh]; | ||
| 914 | + if (qoh->isArray()) | ||
| 915 | + { | ||
| 916 | + QTC::TC("qpdf", "qpdf-c array to wrap_in_array"); | ||
| 917 | + return oh; | ||
| 918 | + } | ||
| 919 | + else | ||
| 920 | + { | ||
| 921 | + QTC::TC("qpdf", "qpdf-c non-array to wrap_in_array"); | ||
| 922 | + return new_object(qpdf, | ||
| 923 | + QPDFObjectHandle::newArray( | ||
| 924 | + std::vector<QPDFObjectHandle>{ | ||
| 925 | + *qpdf->oh_cache[oh]})); | ||
| 926 | + } | ||
| 927 | +} | ||
| 928 | + | ||
| 929 | +qpdf_oh qpdf_oh_parse(qpdf_data qpdf, char const* object_str) | ||
| 930 | +{ | ||
| 931 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_parse"); | ||
| 932 | + return new_object(qpdf, QPDFObjectHandle::parse(object_str)); | ||
| 933 | +} | ||
| 934 | + | ||
| 935 | +QPDF_BOOL qpdf_oh_get_bool_value(qpdf_data qpdf, qpdf_oh oh) | ||
| 936 | +{ | ||
| 937 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 938 | + { | ||
| 939 | + return QPDF_FALSE; | ||
| 940 | + } | ||
| 941 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_bool_value"); | ||
| 942 | + return qpdf->oh_cache[oh]->getBoolValue(); | ||
| 943 | +} | ||
| 944 | + | ||
| 945 | +long long qpdf_oh_get_int_value(qpdf_data qpdf, qpdf_oh oh) | ||
| 946 | +{ | ||
| 947 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 948 | + { | ||
| 949 | + return 0LL; | ||
| 950 | + } | ||
| 951 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_int_value"); | ||
| 952 | + return qpdf->oh_cache[oh]->getIntValue(); | ||
| 953 | +} | ||
| 954 | + | ||
| 955 | +int qpdf_oh_get_int_value_as_int(qpdf_data qpdf, qpdf_oh oh) | ||
| 956 | +{ | ||
| 957 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 958 | + { | ||
| 959 | + return 0; | ||
| 960 | + } | ||
| 961 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_int_value_as_int"); | ||
| 962 | + return qpdf->oh_cache[oh]->getIntValueAsInt(); | ||
| 963 | +} | ||
| 964 | + | ||
| 965 | +unsigned long long qpdf_oh_get_uint_value(qpdf_data qpdf, qpdf_oh oh) | ||
| 966 | +{ | ||
| 967 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 968 | + { | ||
| 969 | + return 0ULL; | ||
| 970 | + } | ||
| 971 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_uint_value"); | ||
| 972 | + return qpdf->oh_cache[oh]->getUIntValue(); | ||
| 973 | +} | ||
| 974 | + | ||
| 975 | +unsigned int qpdf_oh_get_uint_value_as_uint(qpdf_data qpdf, qpdf_oh oh) | ||
| 976 | +{ | ||
| 977 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 978 | + { | ||
| 979 | + return 0U; | ||
| 980 | + } | ||
| 981 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_uint_value_as_uint"); | ||
| 982 | + return qpdf->oh_cache[oh]->getUIntValueAsUInt(); | ||
| 983 | +} | ||
| 984 | + | ||
| 985 | +char const* qpdf_oh_get_real_value(qpdf_data qpdf, qpdf_oh oh) | ||
| 986 | +{ | ||
| 987 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 988 | + { | ||
| 989 | + return ""; | ||
| 990 | + } | ||
| 991 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_real_value"); | ||
| 992 | + qpdf->tmp_string = qpdf->oh_cache[oh]->getRealValue(); | ||
| 993 | + return qpdf->tmp_string.c_str(); | ||
| 994 | +} | ||
| 995 | + | ||
| 996 | +QPDF_BOOL qpdf_oh_is_number(qpdf_data qpdf, qpdf_oh oh) | ||
| 997 | +{ | ||
| 998 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 999 | + { | ||
| 1000 | + return QPDF_FALSE; | ||
| 1001 | + } | ||
| 1002 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_number"); | ||
| 1003 | + return qpdf->oh_cache[oh]->isNumber(); | ||
| 1004 | +} | ||
| 1005 | + | ||
| 1006 | +double qpdf_oh_get_numeric_value(qpdf_data qpdf, qpdf_oh oh) | ||
| 1007 | +{ | ||
| 1008 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1009 | + { | ||
| 1010 | + return 0.0; | ||
| 1011 | + } | ||
| 1012 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_numeric_value"); | ||
| 1013 | + return qpdf->oh_cache[oh]->getNumericValue(); | ||
| 1014 | +} | ||
| 1015 | + | ||
| 1016 | +char const* qpdf_oh_get_name(qpdf_data qpdf, qpdf_oh oh) | ||
| 1017 | +{ | ||
| 1018 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1019 | + { | ||
| 1020 | + return ""; | ||
| 1021 | + } | ||
| 1022 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_name"); | ||
| 1023 | + qpdf->tmp_string = qpdf->oh_cache[oh]->getName(); | ||
| 1024 | + return qpdf->tmp_string.c_str(); | ||
| 1025 | +} | ||
| 1026 | + | ||
| 1027 | +char const* qpdf_oh_get_string_value(qpdf_data qpdf, qpdf_oh oh) | ||
| 1028 | +{ | ||
| 1029 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1030 | + { | ||
| 1031 | + return ""; | ||
| 1032 | + } | ||
| 1033 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_string_value"); | ||
| 1034 | + qpdf->tmp_string = qpdf->oh_cache[oh]->getStringValue(); | ||
| 1035 | + return qpdf->tmp_string.c_str(); | ||
| 1036 | +} | ||
| 1037 | + | ||
| 1038 | +char const* qpdf_oh_get_utf8_value(qpdf_data qpdf, qpdf_oh oh) | ||
| 1039 | +{ | ||
| 1040 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1041 | + { | ||
| 1042 | + return ""; | ||
| 1043 | + } | ||
| 1044 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_utf8_value"); | ||
| 1045 | + qpdf->tmp_string = qpdf->oh_cache[oh]->getUTF8Value(); | ||
| 1046 | + return qpdf->tmp_string.c_str(); | ||
| 1047 | +} | ||
| 1048 | + | ||
| 1049 | +int qpdf_oh_get_array_n_items(qpdf_data qpdf, qpdf_oh oh) | ||
| 1050 | +{ | ||
| 1051 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1052 | + { | ||
| 1053 | + return 0; | ||
| 1054 | + } | ||
| 1055 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_array_n_items"); | ||
| 1056 | + return qpdf->oh_cache[oh]->getArrayNItems(); | ||
| 1057 | +} | ||
| 1058 | + | ||
| 1059 | +qpdf_oh qpdf_oh_get_array_item(qpdf_data qpdf, qpdf_oh oh, int n) | ||
| 1060 | +{ | ||
| 1061 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1062 | + { | ||
| 1063 | + return qpdf_oh_new_null(qpdf); | ||
| 1064 | + } | ||
| 1065 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_array_item"); | ||
| 1066 | + return new_object(qpdf, qpdf->oh_cache[oh]->getArrayItem(n)); | ||
| 1067 | +} | ||
| 1068 | + | ||
| 1069 | +void qpdf_oh_begin_dict_key_iter(qpdf_data qpdf, qpdf_oh oh) | ||
| 1070 | +{ | ||
| 1071 | + if (qpdf_oh_valid_internal(qpdf, oh) && | ||
| 1072 | + qpdf_oh_is_dictionary(qpdf, oh)) | ||
| 1073 | + { | ||
| 1074 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_begin_dict_key_iter"); | ||
| 1075 | + qpdf->cur_iter_dict_keys = qpdf->oh_cache[oh]->getKeys(); | ||
| 1076 | + } | ||
| 1077 | + else | ||
| 1078 | + { | ||
| 1079 | + qpdf->cur_iter_dict_keys = {}; | ||
| 1080 | + } | ||
| 1081 | + qpdf->dict_iter = qpdf->cur_iter_dict_keys.begin(); | ||
| 1082 | +} | ||
| 1083 | + | ||
| 1084 | +QPDF_BOOL qpdf_oh_dict_more_keys(qpdf_data qpdf) | ||
| 1085 | +{ | ||
| 1086 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_dict_more_keys"); | ||
| 1087 | + return qpdf->dict_iter != qpdf->cur_iter_dict_keys.end(); | ||
| 1088 | +} | ||
| 1089 | + | ||
| 1090 | +char const* qpdf_oh_dict_next_key(qpdf_data qpdf) | ||
| 1091 | +{ | ||
| 1092 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_dict_next_key"); | ||
| 1093 | + if (qpdf_oh_dict_more_keys(qpdf)) | ||
| 1094 | + { | ||
| 1095 | + qpdf->cur_dict_key = *qpdf->dict_iter; | ||
| 1096 | + ++qpdf->dict_iter; | ||
| 1097 | + return qpdf->cur_dict_key.c_str(); | ||
| 1098 | + } | ||
| 1099 | + else | ||
| 1100 | + { | ||
| 1101 | + return nullptr; | ||
| 1102 | + } | ||
| 1103 | +} | ||
| 1104 | + | ||
| 1105 | +QPDF_BOOL qpdf_oh_has_key(qpdf_data qpdf, qpdf_oh oh, char const* key) | ||
| 1106 | +{ | ||
| 1107 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1108 | + { | ||
| 1109 | + return QPDF_FALSE; | ||
| 1110 | + } | ||
| 1111 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_has_key"); | ||
| 1112 | + return qpdf->oh_cache[oh]->hasKey(key); | ||
| 1113 | +} | ||
| 1114 | + | ||
| 1115 | +qpdf_oh qpdf_oh_get_key(qpdf_data qpdf, qpdf_oh oh, char const* key) | ||
| 1116 | +{ | ||
| 1117 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1118 | + { | ||
| 1119 | + return qpdf_oh_new_null(qpdf); | ||
| 1120 | + } | ||
| 1121 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_key"); | ||
| 1122 | + return new_object(qpdf, qpdf->oh_cache[oh]->getKey(key)); | ||
| 1123 | +} | ||
| 1124 | + | ||
| 1125 | +QPDF_BOOL qpdf_oh_is_or_has_name(qpdf_data qpdf, qpdf_oh oh, char const* key) | ||
| 1126 | +{ | ||
| 1127 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1128 | + { | ||
| 1129 | + return QPDF_FALSE; | ||
| 1130 | + } | ||
| 1131 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_is_or_has_name"); | ||
| 1132 | + return qpdf->oh_cache[oh]->isOrHasName(key); | ||
| 1133 | +} | ||
| 1134 | + | ||
| 1135 | +qpdf_oh qpdf_oh_new_null(qpdf_data qpdf) | ||
| 1136 | +{ | ||
| 1137 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_null"); | ||
| 1138 | + return new_object(qpdf, QPDFObjectHandle::newNull()); | ||
| 1139 | +} | ||
| 1140 | + | ||
| 1141 | +qpdf_oh qpdf_oh_new_bool(qpdf_data qpdf, QPDF_BOOL value) | ||
| 1142 | +{ | ||
| 1143 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_bool"); | ||
| 1144 | + return new_object(qpdf, QPDFObjectHandle::newBool(value)); | ||
| 1145 | +} | ||
| 1146 | + | ||
| 1147 | +qpdf_oh qpdf_oh_new_integer(qpdf_data qpdf, long long value) | ||
| 1148 | +{ | ||
| 1149 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_integer"); | ||
| 1150 | + return new_object(qpdf, QPDFObjectHandle::newInteger(value)); | ||
| 1151 | +} | ||
| 1152 | + | ||
| 1153 | +qpdf_oh qpdf_oh_new_real_from_string(qpdf_data qpdf, char const* value) | ||
| 1154 | +{ | ||
| 1155 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_real_from_string"); | ||
| 1156 | + return new_object(qpdf, QPDFObjectHandle::newReal(value)); | ||
| 1157 | +} | ||
| 1158 | + | ||
| 1159 | +qpdf_oh qpdf_oh_new_real_from_double(qpdf_data qpdf, | ||
| 1160 | + double value, int decimal_places) | ||
| 1161 | +{ | ||
| 1162 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_real_from_double"); | ||
| 1163 | + return new_object(qpdf, QPDFObjectHandle::newReal(value, decimal_places)); | ||
| 1164 | +} | ||
| 1165 | + | ||
| 1166 | +qpdf_oh qpdf_oh_new_name(qpdf_data qpdf, char const* name) | ||
| 1167 | +{ | ||
| 1168 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_name"); | ||
| 1169 | + return new_object(qpdf, QPDFObjectHandle::newName(name)); | ||
| 1170 | +} | ||
| 1171 | + | ||
| 1172 | +qpdf_oh qpdf_oh_new_string(qpdf_data qpdf, char const* str) | ||
| 1173 | +{ | ||
| 1174 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_string"); | ||
| 1175 | + return new_object(qpdf, QPDFObjectHandle::newString(str)); | ||
| 1176 | +} | ||
| 1177 | + | ||
| 1178 | +qpdf_oh qpdf_oh_new_unicode_string(qpdf_data qpdf, char const* utf8_str) | ||
| 1179 | +{ | ||
| 1180 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_unicode_string"); | ||
| 1181 | + return new_object(qpdf, QPDFObjectHandle::newUnicodeString(utf8_str)); | ||
| 1182 | +} | ||
| 1183 | + | ||
| 1184 | +qpdf_oh qpdf_oh_new_array(qpdf_data qpdf) | ||
| 1185 | +{ | ||
| 1186 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_array"); | ||
| 1187 | + return new_object(qpdf, QPDFObjectHandle::newArray()); | ||
| 1188 | +} | ||
| 1189 | + | ||
| 1190 | +qpdf_oh qpdf_oh_new_dictionary(qpdf_data qpdf) | ||
| 1191 | +{ | ||
| 1192 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_new_dictionary"); | ||
| 1193 | + return new_object(qpdf, QPDFObjectHandle::newDictionary()); | ||
| 1194 | +} | ||
| 1195 | + | ||
| 1196 | +void qpdf_oh_make_direct(qpdf_data qpdf, qpdf_oh oh) | ||
| 1197 | +{ | ||
| 1198 | + if (qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1199 | + { | ||
| 1200 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_make_direct"); | ||
| 1201 | + qpdf->oh_cache[oh]->makeDirect(); | ||
| 1202 | + } | ||
| 1203 | +} | ||
| 1204 | + | ||
| 1205 | +static QPDFObjectHandle | ||
| 1206 | +qpdf_oh_item_internal(qpdf_data qpdf, qpdf_oh item) | ||
| 1207 | +{ | ||
| 1208 | + if (qpdf_oh_valid_internal(qpdf, item)) | ||
| 1209 | + { | ||
| 1210 | + return *(qpdf->oh_cache[item]); | ||
| 1211 | + } | ||
| 1212 | + else | ||
| 1213 | + { | ||
| 1214 | + return QPDFObjectHandle::newNull(); | ||
| 1215 | + } | ||
| 1216 | +} | ||
| 1217 | + | ||
| 1218 | +void qpdf_oh_set_array_item(qpdf_data qpdf, qpdf_oh oh, | ||
| 1219 | + int at, qpdf_oh item) | ||
| 1220 | +{ | ||
| 1221 | + if (qpdf_oh_is_array(qpdf, oh)) | ||
| 1222 | + { | ||
| 1223 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_set_array_item"); | ||
| 1224 | + qpdf->oh_cache[oh]->setArrayItem( | ||
| 1225 | + at, qpdf_oh_item_internal(qpdf, item)); | ||
| 1226 | + } | ||
| 1227 | +} | ||
| 1228 | + | ||
| 1229 | +void qpdf_oh_insert_item(qpdf_data qpdf, qpdf_oh oh, int at, qpdf_oh item) | ||
| 1230 | +{ | ||
| 1231 | + if (qpdf_oh_is_array(qpdf, oh)) | ||
| 1232 | + { | ||
| 1233 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_insert_item"); | ||
| 1234 | + qpdf->oh_cache[oh]->insertItem( | ||
| 1235 | + at, qpdf_oh_item_internal(qpdf, item)); | ||
| 1236 | + } | ||
| 1237 | +} | ||
| 1238 | + | ||
| 1239 | +void qpdf_oh_append_item(qpdf_data qpdf, qpdf_oh oh, qpdf_oh item) | ||
| 1240 | +{ | ||
| 1241 | + if (qpdf_oh_is_array(qpdf, oh)) | ||
| 1242 | + { | ||
| 1243 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_append_item"); | ||
| 1244 | + qpdf->oh_cache[oh]->appendItem( | ||
| 1245 | + qpdf_oh_item_internal(qpdf, item)); | ||
| 1246 | + } | ||
| 1247 | +} | ||
| 1248 | + | ||
| 1249 | +void qpdf_oh_erase_item(qpdf_data qpdf, qpdf_oh oh, int at) | ||
| 1250 | +{ | ||
| 1251 | + if (qpdf_oh_is_array(qpdf, oh)) | ||
| 1252 | + { | ||
| 1253 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_erase_item"); | ||
| 1254 | + qpdf->oh_cache[oh]->eraseItem(at); | ||
| 1255 | + } | ||
| 1256 | +} | ||
| 1257 | + | ||
| 1258 | +void qpdf_oh_replace_key(qpdf_data qpdf, qpdf_oh oh, | ||
| 1259 | + char const* key, qpdf_oh item) | ||
| 1260 | +{ | ||
| 1261 | + if (qpdf_oh_is_dictionary(qpdf, oh)) | ||
| 1262 | + { | ||
| 1263 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_replace_key"); | ||
| 1264 | + qpdf->oh_cache[oh]->replaceKey( | ||
| 1265 | + key, qpdf_oh_item_internal(qpdf, item)); | ||
| 1266 | + } | ||
| 1267 | +} | ||
| 1268 | + | ||
| 1269 | +void qpdf_oh_remove_key(qpdf_data qpdf, qpdf_oh oh, char const* key) | ||
| 1270 | +{ | ||
| 1271 | + if (qpdf_oh_is_dictionary(qpdf, oh)) | ||
| 1272 | + { | ||
| 1273 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_remove_key"); | ||
| 1274 | + qpdf->oh_cache[oh]->removeKey(key); | ||
| 1275 | + } | ||
| 1276 | +} | ||
| 1277 | + | ||
| 1278 | +void qpdf_oh_replace_or_remove_key(qpdf_data qpdf, qpdf_oh oh, | ||
| 1279 | + char const* key, qpdf_oh item) | ||
| 1280 | +{ | ||
| 1281 | + if (qpdf_oh_is_dictionary(qpdf, oh)) | ||
| 1282 | + { | ||
| 1283 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_replace_or_remove_key"); | ||
| 1284 | + qpdf->oh_cache[oh]->replaceOrRemoveKey( | ||
| 1285 | + key, qpdf_oh_item_internal(qpdf, item)); | ||
| 1286 | + } | ||
| 1287 | +} | ||
| 1288 | + | ||
| 1289 | +qpdf_oh qpdf_oh_get_dict(qpdf_data qpdf, qpdf_oh oh) | ||
| 1290 | +{ | ||
| 1291 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1292 | + { | ||
| 1293 | + return qpdf_oh_new_null(qpdf); | ||
| 1294 | + } | ||
| 1295 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_dict"); | ||
| 1296 | + return new_object(qpdf, qpdf->oh_cache[oh]->getDict()); | ||
| 1297 | +} | ||
| 1298 | + | ||
| 1299 | +int qpdf_oh_get_object_id(qpdf_data qpdf, qpdf_oh oh) | ||
| 1300 | +{ | ||
| 1301 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1302 | + { | ||
| 1303 | + return 0; | ||
| 1304 | + } | ||
| 1305 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_object_id"); | ||
| 1306 | + return qpdf->oh_cache[oh]->getObjectID(); | ||
| 1307 | +} | ||
| 1308 | + | ||
| 1309 | +int qpdf_oh_get_generation(qpdf_data qpdf, qpdf_oh oh) | ||
| 1310 | +{ | ||
| 1311 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1312 | + { | ||
| 1313 | + return 0; | ||
| 1314 | + } | ||
| 1315 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_get_generation"); | ||
| 1316 | + return qpdf->oh_cache[oh]->getGeneration(); | ||
| 1317 | +} | ||
| 1318 | + | ||
| 1319 | +char const* qpdf_oh_unparse(qpdf_data qpdf, qpdf_oh oh) | ||
| 1320 | +{ | ||
| 1321 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1322 | + { | ||
| 1323 | + return ""; | ||
| 1324 | + } | ||
| 1325 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_unparse"); | ||
| 1326 | + qpdf->tmp_string = qpdf->oh_cache[oh]->unparse(); | ||
| 1327 | + return qpdf->tmp_string.c_str(); | ||
| 1328 | +} | ||
| 1329 | + | ||
| 1330 | +char const* qpdf_oh_unparse_resolved(qpdf_data qpdf, qpdf_oh oh) | ||
| 1331 | +{ | ||
| 1332 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1333 | + { | ||
| 1334 | + return ""; | ||
| 1335 | + } | ||
| 1336 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_unparse_resolved"); | ||
| 1337 | + qpdf->tmp_string = qpdf->oh_cache[oh]->unparseResolved(); | ||
| 1338 | + return qpdf->tmp_string.c_str(); | ||
| 1339 | +} | ||
| 1340 | + | ||
| 1341 | +char const* qpdf_oh_unparse_binary(qpdf_data qpdf, qpdf_oh oh) | ||
| 1342 | +{ | ||
| 1343 | + if (! qpdf_oh_valid_internal(qpdf, oh)) | ||
| 1344 | + { | ||
| 1345 | + return ""; | ||
| 1346 | + } | ||
| 1347 | + QTC::TC("qpdf", "qpdf-c called qpdf_oh_unparse_binary"); | ||
| 1348 | + qpdf->tmp_string = qpdf->oh_cache[oh]->unparseBinary(); | ||
| 1349 | + return qpdf->tmp_string.c_str(); | ||
| 1350 | +} |
qpdf/qpdf-ctest.c
| @@ -495,6 +495,177 @@ static void test23(char const* infile, | @@ -495,6 +495,177 @@ static void test23(char const* infile, | ||
| 495 | report_errors(); | 495 | report_errors(); |
| 496 | } | 496 | } |
| 497 | 497 | ||
| 498 | +static void test24(char const* infile, | ||
| 499 | + char const* password, | ||
| 500 | + char const* outfile, | ||
| 501 | + char const* outfile2) | ||
| 502 | +{ | ||
| 503 | + /* This test case is designed for minimal.pdf. */ | ||
| 504 | + qpdf_read(qpdf, infile, password); | ||
| 505 | + qpdf_oh trailer = qpdf_get_trailer(qpdf); | ||
| 506 | + /* The library never returns 0 */ | ||
| 507 | + assert(trailer == 1); | ||
| 508 | + qpdf_oh root = qpdf_get_root(qpdf); | ||
| 509 | + assert(qpdf_oh_get_generation(qpdf, root) == 0); | ||
| 510 | + qpdf_oh root_from_trailer = qpdf_oh_get_key(qpdf, trailer, "/Root"); | ||
| 511 | + assert(qpdf_oh_get_object_id(qpdf, root) == | ||
| 512 | + qpdf_oh_get_object_id(qpdf, root_from_trailer)); | ||
| 513 | + qpdf_oh pages = qpdf_oh_get_key(qpdf, root, "/Pages"); | ||
| 514 | + assert(qpdf_oh_is_dictionary(qpdf, pages)); | ||
| 515 | + qpdf_oh kids = qpdf_oh_get_key(qpdf, pages, "/Kids"); | ||
| 516 | + assert(qpdf_oh_is_array(qpdf, kids)); | ||
| 517 | + assert(qpdf_oh_get_array_n_items(qpdf, kids) == 1); | ||
| 518 | + qpdf_oh page1 = qpdf_oh_get_array_item(qpdf, kids, 0); | ||
| 519 | + qpdf_oh_begin_dict_key_iter(qpdf, page1); | ||
| 520 | + while (qpdf_oh_dict_more_keys(qpdf)) | ||
| 521 | + { | ||
| 522 | + printf("page dictionary key: %s\n", qpdf_oh_dict_next_key(qpdf)); | ||
| 523 | + } | ||
| 524 | + qpdf_oh type = qpdf_oh_get_key(qpdf, page1, "/Type"); | ||
| 525 | + assert(qpdf_oh_is_name(qpdf, type)); | ||
| 526 | + assert(strcmp(qpdf_oh_get_name(qpdf, type), "/Page") == 0); | ||
| 527 | + qpdf_oh parent = qpdf_oh_get_key(qpdf, page1, "/Parent"); | ||
| 528 | + assert(qpdf_oh_is_indirect(qpdf, parent)); | ||
| 529 | + qpdf_oh mediabox = qpdf_oh_get_key(qpdf, page1, "/MediaBox"); | ||
| 530 | + assert(! qpdf_oh_is_scalar(qpdf, mediabox)); | ||
| 531 | + assert(qpdf_oh_is_array(qpdf, mediabox)); | ||
| 532 | + assert(qpdf_oh_get_array_n_items(qpdf, mediabox) == 4); | ||
| 533 | + assert(qpdf_oh_wrap_in_array(qpdf, mediabox) == mediabox); | ||
| 534 | + for (int i = 0; i < 4; ++i) | ||
| 535 | + { | ||
| 536 | + qpdf_oh item = qpdf_oh_get_array_item(qpdf, mediabox, i); | ||
| 537 | + printf("item %d: %d %.2f\n", | ||
| 538 | + i, qpdf_oh_get_int_value_as_int(qpdf, item), | ||
| 539 | + qpdf_oh_get_numeric_value(qpdf, item)); | ||
| 540 | + qpdf_oh_release(qpdf, item); | ||
| 541 | + } | ||
| 542 | + qpdf_oh i2 = qpdf_oh_get_array_item(qpdf, mediabox, 2); | ||
| 543 | + assert(qpdf_oh_get_int_value_as_int(qpdf, i2) == 612); | ||
| 544 | + assert(qpdf_oh_get_int_value(qpdf, i2) == 612ll); | ||
| 545 | + assert(qpdf_oh_get_uint_value_as_uint(qpdf, i2) == 612u); | ||
| 546 | + assert(qpdf_oh_get_uint_value(qpdf, i2) == 612ull); | ||
| 547 | + assert(! qpdf_oh_is_operator(qpdf, i2)); | ||
| 548 | + assert(! qpdf_oh_is_inline_image(qpdf, i2)); | ||
| 549 | + qpdf_oh encoding = qpdf_oh_get_key( | ||
| 550 | + qpdf, qpdf_oh_get_key( | ||
| 551 | + qpdf, qpdf_oh_get_key( | ||
| 552 | + qpdf, qpdf_oh_get_key( | ||
| 553 | + qpdf, page1, "/Resources"), | ||
| 554 | + "/Font"), | ||
| 555 | + "/F1"), | ||
| 556 | + "/Encoding"); | ||
| 557 | + assert(strcmp(qpdf_oh_get_name(qpdf, encoding), "/WinAnsiEncoding") == 0); | ||
| 558 | + qpdf_oh contents = qpdf_oh_get_key(qpdf, page1, "/Contents"); | ||
| 559 | + assert(qpdf_oh_is_stream(qpdf, contents)); | ||
| 560 | + qpdf_oh contents_dict = qpdf_oh_get_dict(qpdf, contents); | ||
| 561 | + assert(! qpdf_oh_is_scalar(qpdf, contents)); | ||
| 562 | + assert(! qpdf_oh_is_scalar(qpdf, contents_dict)); | ||
| 563 | + qpdf_oh contents_length = qpdf_oh_get_key(qpdf, contents_dict, "/Length"); | ||
| 564 | + assert(qpdf_oh_is_integer(qpdf, contents_length)); | ||
| 565 | + assert(qpdf_oh_is_scalar(qpdf, contents_length)); | ||
| 566 | + assert(qpdf_oh_is_number(qpdf, contents_length)); | ||
| 567 | + qpdf_oh contents_array = qpdf_oh_wrap_in_array(qpdf, contents); | ||
| 568 | + assert(qpdf_oh_get_array_n_items(qpdf, contents_array) == 1); | ||
| 569 | + assert(qpdf_oh_get_object_id( | ||
| 570 | + qpdf, qpdf_oh_get_array_item(qpdf, contents_array, 0)) == | ||
| 571 | + qpdf_oh_get_object_id(qpdf, contents)); | ||
| 572 | + qpdf_oh resources = qpdf_oh_get_key(qpdf, page1, "/Resources"); | ||
| 573 | + qpdf_oh procset = qpdf_oh_get_key(qpdf, resources, "/ProcSet"); | ||
| 574 | + assert(strcmp(qpdf_oh_unparse(qpdf, procset), | ||
| 575 | + "5 0 R") == 0); | ||
| 576 | + assert(strcmp(qpdf_oh_unparse_resolved(qpdf, procset), | ||
| 577 | + "[ /PDF /Text ]") == 0); | ||
| 578 | + qpdf_oh_make_direct(qpdf, procset); | ||
| 579 | + assert(strcmp(qpdf_oh_unparse(qpdf, procset), | ||
| 580 | + "[ /PDF /Text ]") == 0); | ||
| 581 | + qpdf_oh_replace_key(qpdf, resources, "/ProcSet", procset); | ||
| 582 | + | ||
| 583 | + qpdf_oh parsed = qpdf_oh_parse( | ||
| 584 | + qpdf, "[ 1 2.0 (3\xf7) << /Four [/Five] >> null true ]"); | ||
| 585 | + qpdf_oh p_int = qpdf_oh_get_array_item(qpdf, parsed, 0); | ||
| 586 | + qpdf_oh p_real = qpdf_oh_get_array_item(qpdf, parsed, 1); | ||
| 587 | + qpdf_oh p_string = qpdf_oh_get_array_item(qpdf, parsed, 2); | ||
| 588 | + qpdf_oh p_dict = qpdf_oh_get_array_item(qpdf, parsed, 3); | ||
| 589 | + qpdf_oh p_null = qpdf_oh_get_array_item(qpdf, parsed, 4); | ||
| 590 | + qpdf_oh p_bool = qpdf_oh_get_array_item(qpdf, parsed, 5); | ||
| 591 | + assert(qpdf_oh_is_integer(qpdf, p_int) && | ||
| 592 | + qpdf_oh_get_int_value_as_int(qpdf, p_int) == 1); | ||
| 593 | + assert(qpdf_oh_is_real(qpdf, p_real) && | ||
| 594 | + (strcmp(qpdf_oh_get_real_value(qpdf, p_real), "2.0") == 0) && | ||
| 595 | + qpdf_oh_get_numeric_value(qpdf, p_real) == 2.0); | ||
| 596 | + assert(qpdf_oh_is_string(qpdf, p_string) && | ||
| 597 | + (strcmp(qpdf_oh_get_string_value(qpdf, p_string), "3\xf7") == 0) && | ||
| 598 | + (strcmp(qpdf_oh_get_utf8_value(qpdf, p_string), "3\xc3\xb7") == 0) && | ||
| 599 | + (strcmp(qpdf_oh_unparse_binary(qpdf, p_string), "<33f7>") == 0)); | ||
| 600 | + assert(qpdf_oh_is_dictionary(qpdf, p_dict)); | ||
| 601 | + qpdf_oh p_five = qpdf_oh_get_key(qpdf, p_dict, "/Four"); | ||
| 602 | + assert(qpdf_oh_is_or_has_name(qpdf, p_five, "/Five")); | ||
| 603 | + assert(qpdf_oh_is_or_has_name( | ||
| 604 | + qpdf, qpdf_oh_get_array_item(qpdf, p_five, 0), "/Five")); | ||
| 605 | + assert(qpdf_oh_is_null(qpdf, p_null)); | ||
| 606 | + assert(qpdf_oh_is_bool(qpdf, p_bool) && | ||
| 607 | + (qpdf_oh_get_bool_value(qpdf, p_bool) == QPDF_TRUE)); | ||
| 608 | + qpdf_oh_erase_item(qpdf, parsed, 4); | ||
| 609 | + qpdf_oh_insert_item( | ||
| 610 | + qpdf, parsed, 2, | ||
| 611 | + qpdf_oh_parse(qpdf, "<</A 1 /B 2 /C 3 /D 4>>")); | ||
| 612 | + qpdf_oh new_dict = qpdf_oh_get_array_item(qpdf, parsed, 2); | ||
| 613 | + assert(qpdf_oh_has_key(qpdf, new_dict, "/A")); | ||
| 614 | + assert(qpdf_oh_has_key(qpdf, new_dict, "/D")); | ||
| 615 | + qpdf_oh new_array = qpdf_oh_new_array(qpdf); | ||
| 616 | + qpdf_oh_replace_or_remove_key( | ||
| 617 | + qpdf, new_dict, "/A", qpdf_oh_new_null(qpdf)); | ||
| 618 | + qpdf_oh_replace_or_remove_key( | ||
| 619 | + qpdf, new_dict, "/B", new_array); | ||
| 620 | + qpdf_oh_replace_key( | ||
| 621 | + qpdf, new_dict, "/C", qpdf_oh_new_dictionary(qpdf)); | ||
| 622 | + qpdf_oh_remove_key(qpdf, new_dict, "/D"); | ||
| 623 | + assert(! qpdf_oh_has_key(qpdf, new_dict, "/A")); | ||
| 624 | + assert(! qpdf_oh_has_key(qpdf, new_dict, "/D")); | ||
| 625 | + qpdf_oh_append_item( | ||
| 626 | + qpdf, new_array, qpdf_oh_new_string(qpdf, "potato")); | ||
| 627 | + qpdf_oh_append_item( | ||
| 628 | + qpdf, new_array, | ||
| 629 | + qpdf_oh_new_unicode_string(qpdf, "qww\xc3\xb7\xcf\x80")); | ||
| 630 | + qpdf_oh_append_item(qpdf, new_array, qpdf_oh_new_null(qpdf)); /* 2 */ | ||
| 631 | + qpdf_oh_append_item(qpdf, new_array, qpdf_oh_new_null(qpdf)); /* 3 */ | ||
| 632 | + qpdf_oh_set_array_item( | ||
| 633 | + qpdf, new_array, 2, | ||
| 634 | + qpdf_oh_new_name(qpdf, "/Quack")); | ||
| 635 | + qpdf_oh_append_item( | ||
| 636 | + qpdf, new_array, | ||
| 637 | + qpdf_oh_new_real_from_double(qpdf, 4.0, 2)); | ||
| 638 | + qpdf_oh_append_item( | ||
| 639 | + qpdf, new_array, | ||
| 640 | + qpdf_oh_new_real_from_string(qpdf, "5.0")); | ||
| 641 | + qpdf_oh_append_item( | ||
| 642 | + qpdf, new_array, | ||
| 643 | + qpdf_oh_new_integer(qpdf, 6)); | ||
| 644 | + qpdf_oh_append_item( | ||
| 645 | + qpdf, new_array, qpdf_oh_new_bool(qpdf, QPDF_TRUE)); | ||
| 646 | + qpdf_oh_replace_key(qpdf, root, "/QTest", new_dict); | ||
| 647 | + | ||
| 648 | + /* Release and access to exercise warnings */ | ||
| 649 | + qpdf_oh_release(qpdf, page1); | ||
| 650 | + contents = qpdf_oh_get_key(qpdf, page1, "/Contents"); | ||
| 651 | + assert(qpdf_oh_is_null(qpdf, contents)); | ||
| 652 | + assert(qpdf_oh_is_array(qpdf, mediabox)); | ||
| 653 | + qpdf_oh_release_all(qpdf); | ||
| 654 | + assert(! qpdf_oh_is_null(qpdf, mediabox)); | ||
| 655 | + assert(! qpdf_oh_is_array(qpdf, mediabox)); | ||
| 656 | + /* Make sure something is assigned when we exit so we check that | ||
| 657 | + * it gets properl freed. | ||
| 658 | + */ | ||
| 659 | + qpdf_get_root(qpdf); | ||
| 660 | + | ||
| 661 | + qpdf_init_write(qpdf, outfile); | ||
| 662 | + qpdf_set_static_ID(qpdf, QPDF_TRUE); | ||
| 663 | + qpdf_set_qdf_mode(qpdf, QPDF_TRUE); | ||
| 664 | + qpdf_set_suppress_original_object_IDs(qpdf, QPDF_TRUE); | ||
| 665 | + qpdf_write(qpdf); | ||
| 666 | + report_errors(); | ||
| 667 | +} | ||
| 668 | + | ||
| 498 | int main(int argc, char* argv[]) | 669 | int main(int argc, char* argv[]) |
| 499 | { | 670 | { |
| 500 | char* p = 0; | 671 | char* p = 0; |
| @@ -558,6 +729,7 @@ int main(int argc, char* argv[]) | @@ -558,6 +729,7 @@ int main(int argc, char* argv[]) | ||
| 558 | (n == 21) ? test21 : | 729 | (n == 21) ? test21 : |
| 559 | (n == 22) ? test22 : | 730 | (n == 22) ? test22 : |
| 560 | (n == 23) ? test23 : | 731 | (n == 23) ? test23 : |
| 732 | + (n == 24) ? test24 : | ||
| 561 | 0); | 733 | 0); |
| 562 | 734 | ||
| 563 | if (fn == 0) | 735 | if (fn == 0) |
qpdf/qpdf.testcov
| @@ -457,3 +457,67 @@ QPDF copy foreign with data 1 | @@ -457,3 +457,67 @@ QPDF copy foreign with data 1 | ||
| 457 | QPDF copy foreign with foreign_stream 1 | 457 | QPDF copy foreign with foreign_stream 1 |
| 458 | QPDFObjectHandle need_newline 1 | 458 | QPDFObjectHandle need_newline 1 |
| 459 | qpdf pages range omitted with . 0 | 459 | qpdf pages range omitted with . 0 |
| 460 | +qpdf-c invalid object handle 0 | ||
| 461 | +qpdf-c called qpdf_oh_release 0 | ||
| 462 | +qpdf-c called qpdf_oh_release_all 0 | ||
| 463 | +qpdf-c called qpdf_get_trailer 0 | ||
| 464 | +qpdf-c called qpdf_get_root 0 | ||
| 465 | +qpdf-c called qpdf_oh_is_bool 0 | ||
| 466 | +qpdf-c called qpdf_oh_is_null 0 | ||
| 467 | +qpdf-c called qpdf_oh_is_integer 0 | ||
| 468 | +qpdf-c called qpdf_oh_is_real 0 | ||
| 469 | +qpdf-c called qpdf_oh_is_name 0 | ||
| 470 | +qpdf-c called qpdf_oh_is_string 0 | ||
| 471 | +qpdf-c called qpdf_oh_is_operator 0 | ||
| 472 | +qpdf-c called qpdf_oh_is_inline_image 0 | ||
| 473 | +qpdf-c called qpdf_oh_is_array 0 | ||
| 474 | +qpdf-c called qpdf_oh_is_dictionary 0 | ||
| 475 | +qpdf-c called qpdf_oh_is_stream 0 | ||
| 476 | +qpdf-c called qpdf_oh_is_indirect 0 | ||
| 477 | +qpdf-c called qpdf_oh_is_scalar 0 | ||
| 478 | +qpdf-c array to wrap_in_array 0 | ||
| 479 | +qpdf-c non-array to wrap_in_array 0 | ||
| 480 | +qpdf-c called qpdf_oh_parse 0 | ||
| 481 | +qpdf-c called qpdf_oh_get_bool_value 0 | ||
| 482 | +qpdf-c called qpdf_oh_get_int_value 0 | ||
| 483 | +qpdf-c called qpdf_oh_get_int_value_as_int 0 | ||
| 484 | +qpdf-c called qpdf_oh_get_uint_value 0 | ||
| 485 | +qpdf-c called qpdf_oh_get_uint_value_as_uint 0 | ||
| 486 | +qpdf-c called qpdf_oh_get_real_value 0 | ||
| 487 | +qpdf-c called qpdf_oh_is_number 0 | ||
| 488 | +qpdf-c called qpdf_oh_get_numeric_value 0 | ||
| 489 | +qpdf-c called qpdf_oh_get_name 0 | ||
| 490 | +qpdf-c called qpdf_oh_get_string_value 0 | ||
| 491 | +qpdf-c called qpdf_oh_get_utf8_value 0 | ||
| 492 | +qpdf-c called qpdf_oh_get_array_n_items 0 | ||
| 493 | +qpdf-c called qpdf_oh_get_array_item 0 | ||
| 494 | +qpdf-c called qpdf_oh_begin_dict_key_iter 0 | ||
| 495 | +qpdf-c called qpdf_oh_dict_more_keys 0 | ||
| 496 | +qpdf-c called qpdf_oh_dict_next_key 0 | ||
| 497 | +qpdf-c called qpdf_oh_has_key 0 | ||
| 498 | +qpdf-c called qpdf_oh_get_key 0 | ||
| 499 | +qpdf-c called qpdf_oh_is_or_has_name 0 | ||
| 500 | +qpdf-c called qpdf_oh_new_null 0 | ||
| 501 | +qpdf-c called qpdf_oh_new_bool 0 | ||
| 502 | +qpdf-c called qpdf_oh_new_integer 0 | ||
| 503 | +qpdf-c called qpdf_oh_new_real_from_string 0 | ||
| 504 | +qpdf-c called qpdf_oh_new_real_from_double 0 | ||
| 505 | +qpdf-c called qpdf_oh_new_name 0 | ||
| 506 | +qpdf-c called qpdf_oh_new_string 0 | ||
| 507 | +qpdf-c called qpdf_oh_new_unicode_string 0 | ||
| 508 | +qpdf-c called qpdf_oh_new_array 0 | ||
| 509 | +qpdf-c called qpdf_oh_new_dictionary 0 | ||
| 510 | +qpdf-c called qpdf_oh_make_direct 0 | ||
| 511 | +qpdf-c called qpdf_oh_set_array_item 0 | ||
| 512 | +qpdf-c called qpdf_oh_insert_item 0 | ||
| 513 | +qpdf-c called qpdf_oh_append_item 0 | ||
| 514 | +qpdf-c called qpdf_oh_erase_item 0 | ||
| 515 | +qpdf-c called qpdf_oh_replace_key 0 | ||
| 516 | +qpdf-c called qpdf_oh_remove_key 0 | ||
| 517 | +qpdf-c called qpdf_oh_replace_or_remove_key 0 | ||
| 518 | +qpdf-c called qpdf_oh_get_dict 0 | ||
| 519 | +qpdf-c called qpdf_oh_get_object_id 0 | ||
| 520 | +qpdf-c called qpdf_oh_get_generation 0 | ||
| 521 | +qpdf-c called qpdf_oh_unparse 0 | ||
| 522 | +qpdf-c called qpdf_oh_unparse_resolved 0 | ||
| 523 | +qpdf-c called qpdf_oh_unparse_binary 0 |
qpdf/qtest/qpdf.test
| @@ -4120,6 +4120,21 @@ foreach my $i (@c_check_types) | @@ -4120,6 +4120,21 @@ foreach my $i (@c_check_types) | ||
| 4120 | 4120 | ||
| 4121 | show_ntests(); | 4121 | show_ntests(); |
| 4122 | # ---------- | 4122 | # ---------- |
| 4123 | +$td->notify("--- C API Object Handle ---"); | ||
| 4124 | +$n_tests += scalar(@c_check_types); | ||
| 4125 | + | ||
| 4126 | +$td->runtest("C check object handles", | ||
| 4127 | + {$td->COMMAND => "qpdf-ctest 24 minimal.pdf '' a.pdf"}, | ||
| 4128 | + {$td->FILE => "c-object-handles.out", | ||
| 4129 | + $td->EXIT_STATUS => 0}, | ||
| 4130 | + $td->NORMALIZE_NEWLINES); | ||
| 4131 | + | ||
| 4132 | +$td->runtest("check output", | ||
| 4133 | + {$td->FILE => 'a.pdf'}, | ||
| 4134 | + {$td->FILE => 'c-object-handles-out.pdf'}); | ||
| 4135 | + | ||
| 4136 | +show_ntests(); | ||
| 4137 | +# ---------- | ||
| 4123 | $td->notify("--- Content Preservation Tests ---"); | 4138 | $td->notify("--- Content Preservation Tests ---"); |
| 4124 | # $n_tests incremented below | 4139 | # $n_tests incremented below |
| 4125 | 4140 |
qpdf/qtest/qpdf/c-object-handles-out.pdf
0 → 100644
| 1 | +%PDF-1.3 | ||
| 2 | +%¿÷¢þ | ||
| 3 | +%QDF-1.0 | ||
| 4 | + | ||
| 5 | +1 0 obj | ||
| 6 | +<< | ||
| 7 | + /Pages 2 0 R | ||
| 8 | + /QTest << | ||
| 9 | + /B [ | ||
| 10 | + (potato) | ||
| 11 | + <feff00710077007700f703c0> | ||
| 12 | + /Quack | ||
| 13 | + null | ||
| 14 | + 4.00 | ||
| 15 | + 5.0 | ||
| 16 | + 6 | ||
| 17 | + true | ||
| 18 | + ] | ||
| 19 | + /C << | ||
| 20 | + >> | ||
| 21 | + >> | ||
| 22 | + /Type /Catalog | ||
| 23 | +>> | ||
| 24 | +endobj | ||
| 25 | + | ||
| 26 | +2 0 obj | ||
| 27 | +<< | ||
| 28 | + /Count 1 | ||
| 29 | + /Kids [ | ||
| 30 | + 3 0 R | ||
| 31 | + ] | ||
| 32 | + /Type /Pages | ||
| 33 | +>> | ||
| 34 | +endobj | ||
| 35 | + | ||
| 36 | +%% Page 1 | ||
| 37 | +3 0 obj | ||
| 38 | +<< | ||
| 39 | + /Contents 4 0 R | ||
| 40 | + /MediaBox [ | ||
| 41 | + 0 | ||
| 42 | + 0 | ||
| 43 | + 612 | ||
| 44 | + 792 | ||
| 45 | + ] | ||
| 46 | + /Parent 2 0 R | ||
| 47 | + /Resources << | ||
| 48 | + /Font << | ||
| 49 | + /F1 6 0 R | ||
| 50 | + >> | ||
| 51 | + /ProcSet [ | ||
| 52 | |||
| 53 | + /Text | ||
| 54 | + ] | ||
| 55 | + >> | ||
| 56 | + /Type /Page | ||
| 57 | +>> | ||
| 58 | +endobj | ||
| 59 | + | ||
| 60 | +%% Contents for page 1 | ||
| 61 | +4 0 obj | ||
| 62 | +<< | ||
| 63 | + /Length 5 0 R | ||
| 64 | +>> | ||
| 65 | +stream | ||
| 66 | +BT | ||
| 67 | + /F1 24 Tf | ||
| 68 | + 72 720 Td | ||
| 69 | + (Potato) Tj | ||
| 70 | +ET | ||
| 71 | +endstream | ||
| 72 | +endobj | ||
| 73 | + | ||
| 74 | +5 0 obj | ||
| 75 | +44 | ||
| 76 | +endobj | ||
| 77 | + | ||
| 78 | +6 0 obj | ||
| 79 | +<< | ||
| 80 | + /BaseFont /Helvetica | ||
| 81 | + /Encoding /WinAnsiEncoding | ||
| 82 | + /Name /F1 | ||
| 83 | + /Subtype /Type1 | ||
| 84 | + /Type /Font | ||
| 85 | +>> | ||
| 86 | +endobj | ||
| 87 | + | ||
| 88 | +xref | ||
| 89 | +0 7 | ||
| 90 | +0000000000 65535 f | ||
| 91 | +0000000025 00000 n | ||
| 92 | +0000000240 00000 n | ||
| 93 | +0000000322 00000 n | ||
| 94 | +0000000562 00000 n | ||
| 95 | +0000000661 00000 n | ||
| 96 | +0000000680 00000 n | ||
| 97 | +trailer << | ||
| 98 | + /Root 1 0 R | ||
| 99 | + /Size 7 | ||
| 100 | + /ID [<31415926535897932384626433832795><31415926535897932384626433832795>] | ||
| 101 | +>> | ||
| 102 | +startxref | ||
| 103 | +798 | ||
| 104 | +%%EOF |
qpdf/qtest/qpdf/c-object-handles.out
0 → 100644
| 1 | +page dictionary key: /Contents | ||
| 2 | +page dictionary key: /MediaBox | ||
| 3 | +page dictionary key: /Parent | ||
| 4 | +page dictionary key: /Resources | ||
| 5 | +page dictionary key: /Type | ||
| 6 | +item 0: 0 0.00 | ||
| 7 | +item 1: 0 0.00 | ||
| 8 | +item 2: 612 612.00 | ||
| 9 | +item 3: 792 792.00 | ||
| 10 | +warning: minimal.pdf (C API object handle 6): attempted access to unknown/uninitialized object handle | ||
| 11 | + code: 5 | ||
| 12 | + file: minimal.pdf | ||
| 13 | + pos : 0 | ||
| 14 | + text: attempted access to unknown/uninitialized object handle | ||
| 15 | +warning: minimal.pdf (C API object handle 9): attempted access to unknown/uninitialized object handle | ||
| 16 | + code: 5 | ||
| 17 | + file: minimal.pdf | ||
| 18 | + pos : 0 | ||
| 19 | + text: attempted access to unknown/uninitialized object handle | ||
| 20 | +warning: minimal.pdf (C API object handle 9): attempted access to unknown/uninitialized object handle | ||
| 21 | + code: 5 | ||
| 22 | + file: minimal.pdf | ||
| 23 | + pos : 0 | ||
| 24 | + text: attempted access to unknown/uninitialized object handle |