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Author SHA1 Message Date
Jay Berkenbilt
a2f62935b3 Catch exceptions as const references (fixes #236) 
This fix allows qpdf to compile/test cleanly with gcc 8.
 2018-08-12 21:57:52 -04:00
Jay Berkenbilt
3d6615b276 Pl_Buffer: reduce memory growth (fixes #228) 
Rather than keeping a list of buffers for every write, accumulate
bytes in a single buffer, doubling the size of the buffer when needed
to accommodate new data.

This is not the best possible implementation, but the change was
implemented in this way to avoid changing the shape of Pl_Buffer and
thus breaking backward compatibility.
 2018-08-12 17:45:43 -04:00
Jay Berkenbilt
48331b4bdc Fix manual page formatting issues 
Reported in debian bug 902642
 2018-08-12 14:18:18 -04:00
Jay Berkenbilt
3873f5fd9b Protect headers with compliant identifiers (fixes #233) 2018-08-12 14:10:32 -04:00
Jay Berkenbilt
932799baab Fix memory access error 
A previous fix introduced a potentially memory overrun under certain
rare conditions. The test suite now once again passes with address
sanitizer.
 2018-08-12 13:16:17 -04:00
Jay Berkenbilt
b6e414b10b Remove some extraneous null pointer checks (fixes #234) 
There were a few places in the code that were checking that a pointer
wasn't null before deleting it, even though C++ has always allowed
delete 0. Most of the code did not perform these checks.
 2018-08-12 12:58:39 -04:00
Jay Berkenbilt
4a4736c695 Fix EOL handling inside strings (fixes #226) 
CR, CRLF, and LF are all supposed to be treated as LF; only one EOL is
to be ignored after backslash.
 2018-08-05 20:48:35 -04:00
Jay Berkenbilt
1619cad1e8 Return correct method for string encryption (fixes #227) 2018-08-05 16:58:21 -04:00
Jay Berkenbilt
e1cd5891af Fix infinite loop on small files with progress reporting (fixes #230) 
Turns out you can keep adding zero to a number over and over again and
it just doesn't get any bigger. Who would have known?
 2018-08-05 15:43:34 -04:00
Jay Berkenbilt
651b51f056 Add QPDF_DLL to public destructors (fixes #220) 
A few public destructors were missing QPDF_DLL, which could cause some
Windows applications to fail to link.
 2018-08-04 20:08:06 -04:00
Jay Berkenbilt
fe769f2723 Keep file open while adding its pages during merge (fixes #217) 2018-08-04 19:58:13 -04:00
Jay Berkenbilt
4f4c627b77 ClosedFileInputSource: add method to keep file open 
During periods of intensive operation on a specific file, this method
can reduce the overhead of repeated open/close operations.
 2018-08-04 19:52:46 -04:00
Jay Berkenbilt
7855e18ae2 Add detail about Unicode passwords 2018-07-01 17:25:10 -04:00
Jay Berkenbilt
1bd2a2e79b Prepare 8.1.0 release 2018-06-23 07:50:11 -04:00
Jay Berkenbilt
92ca2a41bc Tweak release process 2018-06-23 07:50:11 -04:00
Jay Berkenbilt
ec8c7237e3 Bump shared library minor revision 2018-06-22 20:34:30 -04:00
Jay Berkenbilt
3fe5236d54 Fix typo 2018-06-22 19:28:18 -04:00
Jay Berkenbilt
3aad28aed0 Bug fix: honor encryption key length with R=3 (fixes #212) 2018-06-22 19:24:26 -04:00
Jay Berkenbilt
c543c1e4e5 Windows test workaround 2018-06-22 17:19:34 -04:00
Jay Berkenbilt
5db39a681a Windows fixes 2018-06-22 17:01:18 -04:00
Jay Berkenbilt
c852af2a57 Add tests for progress and verbose changes 2018-06-22 16:14:54 -04:00
Jay Berkenbilt
d34ab8a936 spell check 2018-06-22 16:14:54 -04:00
Jay Berkenbilt
6bf47ac6e8 With --verbose, give information on processing merge inputs 2018-06-22 16:14:54 -04:00
Jay Berkenbilt
a433ed24f9 Add progress reporting for QPDFWriter (fixes #200) 2018-06-22 16:14:54 -04:00
Jay Berkenbilt
2a82f6e1e0 Add method to get count of objects in QPDF 2018-06-22 15:53:40 -04:00
Jay Berkenbilt
c81836076f Correct incorrect comment 2018-06-22 13:13:09 -04:00
Jay Berkenbilt
99593e0eef Use ClosedFileInputSource when merging files (fixes #154) 2018-06-22 12:53:41 -04:00
Jay Berkenbilt
4ccc8b1a44 Add ClosedFileInputSource 
ClosedFileInputSource is an input source that keeps the file closed
when not reading it.
 2018-06-22 12:52:45 -04:00
Jay Berkenbilt
32ddcec91e Add missing headers 2018-06-22 11:44:04 -04:00
Jay Berkenbilt
c71dc6888c Don't prune resource dictionaries on errors or by request 
If we are unable to filter a page's content streams, don't attempt to
remove objects from the page's resource dictionary. Also provide a
command line option to suppress resource removal in case we ever need
this as a workaround for some bug or broken PDF files.
 2018-06-22 10:45:31 -04:00
Jay Berkenbilt
38c9ed23c3 Treat content stream parsing errors as an error, not a warning 
If parsing content streams is treated as a warning, there is no way
for a caller to know if a parsing operation has failed. This is very
dangerous and will likely result in data loss when token filters are
parser callbacks are in use.
 2018-06-22 10:44:08 -04:00
Jay Berkenbilt
6c89d4b35b When splitting files, remove unreferenced objects (fixes #203) 2018-06-21 21:03:30 -04:00
Jay Berkenbilt
ddd78c1b7f Fix QPDFObjectHandle::shallowCopy 
It's not really a shallow copy. It just doesn't cross indirect object
boundaries. The old implementation had a bug that would cause multiple
shallow copies of the same object to share memory, which was not the
intention.
 2018-06-21 20:34:45 -04:00
Jay Berkenbilt
84cd53f5af Make page range optional in --rotate (fixes #211) 2018-06-21 16:28:44 -04:00
Jay Berkenbilt
9d7eef7cc6 Update TODO 
Remove form flattening
Clarify splitting/merging with document level constructs
 2018-06-21 16:04:54 -04:00
Jay Berkenbilt
2e8a3e163f Add interactive form example 2018-06-21 16:04:54 -04:00
Jay Berkenbilt
2650a4d782 spell check 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
397b097c46 Allow setting a form field's value 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
952a665a4e Better support for creating Unicode strings 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
e44c395c51 QUtil::toUTF16 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
44674a3e58 Label qutil test output 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
419949574d Add information about helper classes to the documentation 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
0b05111db8 Implement helper class for interactive forms 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
0dadf17ab7 Convert command-line and test suite to use page helper classes 
This provides better test coverage and more useful code for people to
read and copy.
 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
2e6e1204a5 Convert examples to use new page helper classes 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
2e7ee23bf6 Add QPDFPageDocumentHelper and QPDFPageObjectHelper 
This is the beginning of higher-level API support using helper
classes. The goal is to be able to add more helpers without continuing
to pollute QPDF's and QPDFObjectHandle's public interfaces.
 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
4cded10821 Add QPDFObjectHandle::Rectangle type 
Provide a convenient way of accessing rectangles.
 2018-06-21 15:57:13 -04:00
Jay Berkenbilt
078cf9bf90 newline before endstream fix for object streams (fixes #205) 2018-05-12 13:17:43 -04:00
Jay Berkenbilt
b8ccbff413 doc: point out use of @filename for specifying password (fixes #198) 2018-05-05 17:52:04 -04:00
Jay Berkenbilt
15ed9f8565 Fix small logic error in Token construct (fixes #206) 
The special case around name token was not reachable. This would only
affect constructors of name tokens that were represented in
non-canonical form such as with a hex substitution for a printable
character. The error was harmless but still a bug.
 2018-05-05 17:47:56 -04:00