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451 Commits

Author SHA1 Message Date
Jay Berkenbilt
82cae01a76 Bump version number and soname 
Bump to an alpha release. This version is not being widely released
but is being used to push the new shared library version through the
debian packaging system and to test out github releases.
 2018-02-20 21:31:38 -05:00
Jay Berkenbilt
4bb3046f0b Properly handle strings with PDF Doc Encoding (fixes #179) 
The QPDF_String::getUTF8Val() method was not treating strings that
weren't explicitly Unicode as PDF Doc Encoded. This only affects
characters in the range 0x80 through 0xa0.
 2018-02-18 21:06:27 -05:00
Jay Berkenbilt
2780a1871d Add C API for checking PDF files 2018-02-18 21:06:27 -05:00
Jay Berkenbilt
d0e99f195a More robust handling of type errors 
Give objects descriptions and context so it is possible to issue
warnings instead of fatal errors for attempts to access objects of the
wrong type.
 2018-02-18 21:06:27 -05:00
Jay Berkenbilt
c2e16827b6 Replace "file position" with "offset" in error messages 
Sometimes it's an offset in an object stream or a content stream, so
file position is confusing in some cases.
 2018-02-18 21:06:27 -05:00
Jay Berkenbilt
52e024f701 Include omitted object description in error message 2018-02-18 21:06:27 -05:00
Jay Berkenbilt
cb3b705cf9 Include filename in object stream parse error 2018-02-18 21:06:27 -05:00
Jay Berkenbilt
21b7481b0e Push members of QPDFObjectHandle into a Members object 
As in other cases, this is to enable adding new member variables in
the future without breaking ABI compatibility.
 2018-02-18 21:06:27 -05:00
Jay Berkenbilt
e410b0fe0d Simplify TokenFilter interface 
Expose Pl_QPDFTokenizer, and have it do more of the work of managing
the token filter's pipeline.
 2018-02-18 21:05:47 -05:00
Jay Berkenbilt
1fdd86a049 Move Pl_QPDFTokenizer to public interface 2018-02-18 21:05:47 -05:00
Jay Berkenbilt
5708b5d0aa Add additional interface for filtering page contents 2018-02-18 21:05:47 -05:00
Jay Berkenbilt
fd02944e19 Clean up comment 2018-02-18 21:05:47 -05:00
Jay Berkenbilt
5136238f2a Detect and report bad tokens in content normalization 2018-02-18 21:05:47 -05:00
Jay Berkenbilt
9910104442 Implement TokenFilter and refactor Pl_QPDFTokenizer 
Implement a TokenFilter class and refactor Pl_QPDFTokenizer to use a
TokenFilter class called ContentNormalizer. Pl_QPDFTokenizer is now a
general filter that passes data through a TokenFilter.
 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
b8723e97f4 Add coalesce contents capability 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
25988e8d10 Bug fix: content normalizer should not add trailing newline 
Adding a trailing newline in content normalization damages files whose
contents are split across streams in the middle of tokens. Let
QPDFWriter add the newline with the indicator to ignore the newline,
which it already does. This changes the way some qdf files look.
 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
fcd611b61e Refactor parseContentStream 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
05ff619b09 Remove redundant method 
Remove a redundant method that was equal to another one with
additional arguments. This breaks binary compatibility, but there are
other ABI breaking changes in the upcoming release, so now is the time
to do it.
 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
55ee55394c Use inline image token in content parser 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
ba453ba4ff Use space tokens in tokenizer filter 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
ec538792fa Use inline image token type in tokenizer filter 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
fefe25030e Inline image token type 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
2699ecf13e Push QPDFTokenizer members into a nested structure 
This is for protection against future ABI breaking changes.
 2018-02-18 21:05:46 -05:00
Jay Berkenbilt
d97474868d Lexer enhancements: EOF, comment, space 
Significant enhancements to the lexer to improve EOF handling and to
support comments and spaces as tokens. Various other minor issues were
fixed as well.
 2018-02-18 20:18:40 -05:00
Jay Berkenbilt
ebd5ed63de Add option to save pass 1 of lineariziation 
This is useful only for debugging the linearization code.
 2018-02-18 20:18:40 -05:00
Jay Berkenbilt
2ebdd6929e Prepare 7.1.1 release 2018-02-04 18:31:42 -05:00
Jay Berkenbilt
e3167c1a60 Fix linearization for files with nonstandard ID length 2018-02-04 18:16:23 -05:00
Jay Berkenbilt
3b2a3cdd77 Fix setLineBuf for bsd (fixes #177) 
Use 0 instead of NULL in a cast.
 2018-02-04 14:19:00 -05:00
Jay Berkenbilt
d5bfd49cb2 Remove use of std::abs (fixes #172) 
Different compilers want different choices of headers for std::abs.
It's easier to just to not use it.
 2018-02-04 14:19:00 -05:00
Jay Berkenbilt
34a9b835b0 Fix indentation 2018-02-04 14:19:00 -05:00
Jay Berkenbilt
7e5e1a7158 Fix offset in error message 2018-02-04 14:19:00 -05:00
Jay Berkenbilt
633fb414af Pl_QPDFTokenizer: Use unsigned_char_pointer instead of copy 2018-01-28 18:34:43 -05:00
Jay Berkenbilt
13d9756a45 Minor fixes to tokenizer 2018-01-28 18:34:43 -05:00
Jay Berkenbilt
2e4ca7ecf4 Update version numbers for 7.1.0 2018-01-14 20:09:20 -05:00
Jay Berkenbilt
04e47deaf9 Fixes for clang 2018-01-14 19:18:04 -05:00
Jay Berkenbilt
569d74d36b Allow raw encryption key to be specified 
Add options to enable the raw encryption key to be directly shown or
specified. Thanks to Didier Stevens <didier.stevens@gmail.com> for the
idea and contribution of one implementation of this idea.
 2018-01-14 10:21:05 -05:00
Jay Berkenbilt
3e306ae64c Add QUtil::hex_decode 2018-01-14 09:04:13 -05:00
Jay Berkenbilt
791e0db762 Allow trailing . in numeric token (fixes #165) 2018-01-13 20:05:40 -05:00
Jay Berkenbilt
ec0087e3ce Support TIFF Predictor (fixes #171) 2018-01-13 19:49:42 -05:00
Jay Berkenbilt
53971d50be Add Pl_TIFFPredictor 2018-01-13 19:49:42 -05:00
Jay Berkenbilt
d9c9049708 Add signed support to BitStream and BitWriter 2018-01-13 19:49:42 -05:00
Jay Berkenbilt
661ed1d28e Minor fixes to Pl_PNGFilter 
Fix comment, remove restriction that doesn't actually matter.
 2018-01-13 19:49:42 -05:00
Jay Berkenbilt
be27d47bdc Use better error for getStreamData failure 
If the stream isn't filterable but we call getStreamData, throw a
regular exception instead of a logic error so that normal error
handling and reporting mechanisms will be used.
 2018-01-13 19:49:42 -05:00
Jay Berkenbilt
4edfe1f41d Add tests for new PNG filters 2017-12-25 18:20:52 -05:00
Jay Berkenbilt
a3a55be9cd Correct errors in PNG filters and make use from library 2017-12-25 14:24:48 -05:00
Casey Rojas
9a48720246 Initial implementation of other PNG decode filters 
Initial implementation provided by Casey Rojas <crojas@infotechfl.com>
Some problems are fixed in a subsequent commit.
 2017-12-24 22:59:51 -05:00
Jay Berkenbilt
0f1ce8e646 Prepare 7.0.0 release 2017-09-16 13:22:15 -04:00
Jay Berkenbilt
249e95f608 Fix test failure on MSVC 2017-09-15 23:09:04 -04:00
Jay Berkenbilt
6898bc8d98 Spell check 2017-09-15 23:09:04 -04:00
Jay Berkenbilt
f2ffb6968a Fix Windows compilation errors 2017-09-15 21:44:57 -04:00