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Commit Graph

789 Commits

Author SHA1 Message Date
Jay Berkenbilt
6247aaa57c Fix libqpdf.map and prevent future breakage
The build now checks to make sure libqpdf.map has the right library
version number in it.
2017-08-10 21:53:19 -04:00
Jay Berkenbilt
3388500327 Update TODO 2017-08-10 21:36:23 -04:00
Jay Berkenbilt
9a96e233b0 Remove PCRE 2017-08-10 21:30:32 -04:00
Jay Berkenbilt
30f109e244 Read xref table without PCRE
Also accept more errors than before.
2017-08-10 21:30:32 -04:00
Jay Berkenbilt
98a843c2a2 Reconstruct xref without PCRE 2017-08-10 21:30:32 -04:00
Jay Berkenbilt
ca5b1d267a Improve stream length recovery
Eliminate PCRE and find endobj not preceded by endstream. Be more lax
about placement of endstream and endobj.
2017-08-10 21:30:32 -04:00
Jay Berkenbilt
3082e4e606 Find xref without PCRE 2017-08-10 21:30:32 -04:00
Jay Berkenbilt
90840be594 Find lindict without PCRE 2017-08-10 21:30:32 -04:00
Jay Berkenbilt
03aa9679ac Find starxref without PCRE 2017-08-10 21:30:32 -04:00
Jay Berkenbilt
1765c6ec20 Find header without PCRE 2017-08-10 21:30:32 -04:00
Jay Berkenbilt
296b679d6e Implement findFirst and findLast in InputSource
Preparing to refactor some pattern searching code to use these instead
of their own memchr loops. This should simplify the code that replaces
PCRE.
2017-08-10 21:30:32 -04:00
Jay Berkenbilt
ef8ae5449d Allow QPDFTokenizer::readToken to return bad tokens
Sometimes we want to ignore bad tokens rather than having them throw
an exception. A coverage case is commented out here and added in a
later commit.
2017-08-10 19:01:41 -04:00
Jay Berkenbilt
8320d16cd2 Update TODO 2017-08-10 19:01:41 -04:00
Jay Berkenbilt
c5dc6d8067 Remove unused PointerHolder interface
Also fix a bug resulting from incorrect use of PointerHolder because
of this unused parameter.
2017-08-10 19:01:38 -04:00
Jay Berkenbilt
ff6971fb1c Call PointerHolder constructor properly (fixes #135)
Passed arguments to the constructor in the wrong order.
2017-08-09 22:00:49 -04:00
Jay Berkenbilt
49825e5cb6 Add --split-pages option (fixes #30) 2017-08-05 10:22:33 -04:00
Jay Berkenbilt
8fe261d8b4 QUtil::strcasecmp 2017-08-05 10:22:33 -04:00
Jay Berkenbilt
a60eb552d3 Split bug tests into separate chunk 2017-08-05 10:22:33 -04:00
Jay Berkenbilt
ad0e29a3a4 Fix doc typo 2017-08-05 10:22:33 -04:00
Jay Berkenbilt
1ec59c299d Refactor write_output 2017-08-05 10:22:33 -04:00
Jay Berkenbilt
909daf9543 Move page spec processing earlier 2017-08-05 10:22:33 -04:00
Jay Berkenbilt
24f28f0768 Split qpdf.cc's main into reasonably sized functions
main() had gotten absurdly long. Split it into reasonable chunks. This
refactoring is in preparation for handling splitting output into
single pages.
2017-08-05 08:24:05 -04:00
Jay Berkenbilt
c88eaae2f2 Fix off-by-one error in --pages argument parsing (fixes #129) 2017-08-02 21:08:43 -04:00
Jay Berkenbilt
164c37b5a6 Fix doc typo 2017-07-30 20:28:37 -04:00
iskander.sharipov
8ee83ca722 Add page rotation example in contrib
This is added to contrib rather than examples because it requires
c++-11 and lacks a test suite, but it is still useful enough to
include with the distribution.
2017-07-30 08:55:15 -04:00
Jay Berkenbilt
841f967a5f Fix command-line checking in pdf-split-pages example 2017-07-30 08:47:09 -04:00
Pranjal Bhor
6f88fd36ab Include missing header in QPDFTokenizer.cc (fixes #125)
Required for strtol()
2017-07-30 08:47:05 -04:00
Jay Berkenbilt
2d5b854468 Allow reading command-line args from files (fixes #16) 2017-07-29 22:23:21 -04:00
Jay Berkenbilt
5993c3e83c Detect input file = output file (fixes #29) 2017-07-29 20:58:01 -04:00
Jay Berkenbilt
885b8781cc Allow --check to coexist with and precede other operations (fixes #42) 2017-07-29 19:56:21 -04:00
Jay Berkenbilt
570db9b60b Catch more exceptions while resolving objects 2017-07-29 19:31:12 -04:00
Jay Berkenbilt
b43a0ac237 When recover stream length, indicate the length (fixes #44) 2017-07-29 19:15:06 -04:00
Jay Berkenbilt
f37d399d82 Add newline-before-endstream option (fixes #103) 2017-07-29 12:21:38 -04:00
Jay Berkenbilt
6a7d53ad2b Handle zlib data errors better (fixes #106) 2017-07-29 12:19:04 -04:00
Jay Berkenbilt
07d6f770b2 Better recovery of bad stream start (fixes #104) 2017-07-29 12:19:04 -04:00
Jay Berkenbilt
39d7307f3f autoconf: find gnu make as gmake or make (fixes #75) 2017-07-29 12:19:04 -04:00
Jay Berkenbilt
b389268f16 Better handle split content streams (fixes #73)
When parsing content streams, allow content to be split arbitrarily
across stream boundaries.
2017-07-29 12:19:04 -04:00
Jay Berkenbilt
a136824243 Fix exception catch 2017-07-29 12:19:04 -04:00
Jay Berkenbilt
4647acbe3c Clarify documentation on copyForeignObject (fixes #69)
Be explicit about the need to keep the source QPDF object around.
2017-07-29 12:19:04 -04:00
Jay Berkenbilt
ba2bae4acc Use 1.2 as the version if we can't read it from the header
The code was using 1.0, but we use /FlateDecode, which didn't appear
until 1.2.
2017-07-29 12:19:04 -04:00
Jay Berkenbilt
bd72ec98ef Update TODO 2017-07-29 12:19:04 -04:00
Jay Berkenbilt
ba78e16966 Update TODO 2017-07-28 19:32:40 -04:00
Jay Berkenbilt
3a1ff5ded9 Add option to preserve unreferenced objects 2017-07-28 19:19:11 -04:00
Jay Berkenbilt
a94a729fee Explicitly check root dictionary type
Very badly corrupted files may not have a retrievable root dictionary.
Handle that as a special case so that a more helpful error message can
be provided.
2017-07-28 18:03:30 -04:00
Jay Berkenbilt
ede1255a82 Update TODO 2017-07-27 23:49:46 -04:00
Jay Berkenbilt
7f8892525f Add precheck streams capability
When requested, QPDFWriter will do more aggress prechecking of streams
to make sure it can actually succeed in decoding them before
attempting to do so. This will allow preservation of raw data even
when the raw data is corrupted relative to the specified filters.
2017-07-27 23:42:27 -04:00
Jay Berkenbilt
428d96dfe1 Convert many more errors to warnings 2017-07-27 22:57:55 -04:00
Jay Berkenbilt
a4fd4b91c6 Convert stream filtering errors to warnings 2017-07-27 18:43:07 -04:00
Jay Berkenbilt
40f00122b8 Convert object parsing errors to warnings
QPDFObjectHandle::parseInternal now issues warnings instead of
throwing exceptions for all error conditions that it finds (except
internal logic errors) and has stronger recovery for things like
invalid tokens and malformed dictionaries. This should improve qpdf's
ability to recover from a wide range of broken files that currently
cause it to fail.
2017-07-27 18:20:31 -04:00
Jay Berkenbilt
dd8dad74f4 Move lexer helper functions to QUtil 2017-07-27 13:59:56 -04:00