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In bc8a64029f898286c3dcad3a6cecdc98ef30b139 we updated the FX_atonum logic
to correctly handle integer overflow. This causes issues when parsing the
Permissions flag of encrypted documents as that flag isn't encoded like other
numbers.
The Permissions flag is a unsigned value, and has to be treated as such since
the sign bit is always set. The current logic will detect an overflow of the
int value and return 0. The old logic would have detected the overflow and
returned the negative result regardless.
This CL updates the logic to do the string to int conversion as a uint32_t
and then verifies the uint32_t value, if a sign was provided, fits within
the int range, otherwise it converts it to an int and lets it be positive or
negative as needed.
BUG=pdfium:539
Review-Url: https://codereview.chromium.org/2168173002
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Check required hint table dictionary entries and make sure they:
- Exist.
- Are of the right type.
Along the way:
- Fix FX_atonum() to not have a non-const pass-by-ref param.
- Simplify code in CPDF_StreamContentParser.
- Make CPDF_Number::IsInteger() a const method.
BUG=610555
Review-Url: https://codereview.chromium.org/2095763003
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This CL uses the FXSYS_isDecimalDigit in place of a few custom IsDigit methods.
It also creates an iswspace and some fractional math helper methods to share
some code.
Review-Url: https://codereview.chromium.org/2094453004
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This change contains files in core directory which were not covered
in part I. This is part of the efforts to make PDFium code compilable
by Clang chromium style plugins.
The changes are mainly the following:
-- move inline constructor/destructor of complex class/struct out-of-line;
-- add constructor/destructor of complex class/struct if not
explicitly defined;
-- add explicit out-of-line copy constructor when needed;
-- move inline virtual functions out-of-line;
-- Properly mark virtual functions with 'override';
-- some minor cleanups;
BUG=pdfium:469
Review-Url: https://codereview.chromium.org/2060913003
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This is the last use of CFX_PrivateData, which is now removed.
Review-Url: https://codereview.chromium.org/2016743002
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Review-Url: https://codereview.chromium.org/2011563006
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Remove an unused inheritance.
The remaining usages are a little more intricate.
Review-Url: https://codereview.chromium.org/2015743002
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Its only used to store one object, so replace it with a unique_ptr
to a class with a virtual dtor. Rename the prototypical class with
virtual dtor from CFX_DestructObject to CFX_Deletable. Rename the
fx_basic_module.cpp to cfx_modulemgr.cpp to match the one class
in it.
Review-Url: https://codereview.chromium.org/2013483003
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Review-Url: https://codereview.chromium.org/1990153003
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Instead of the existing method, use the CheckedNumeric class to check for
overflow during conversion.
BUG=chromium:596526
Review-Url: https://codereview.chromium.org/1992023003
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Most of the time, we want to operate on chars as if they
were unsigned, but there are a few places where we need
the default (questionably signed) values. Consolidate
the casting in a single place rather than forcing callers
to get a char* ptr.
BUG=pdfium:493
Review-Url: https://codereview.chromium.org/1972053003
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BUG=pdfium:493
Review-Url: https://codereview.chromium.org/1968233002
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BUG=
Review URL: https://codereview.chromium.org/1885973002
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This CL updates CFX_ByteStringC to use the more common c_str
and raw_str instead of GetCStr and GetPtr.
Review URL: https://codereview.chromium.org/1857713003
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This CL moves the fxcrt code into the core/fxcrt directory. The only exception
was fx_bidi.h which was moved into core/fxcrt as it is not used outside of
core/.
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1825953002 .
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This CL moves the core/src/ files up to core/ and fixes up the include guards,
includes and build files.
R=tsepez@chromium.org
Review URL: https://codereview.chromium.org/1800523005 .
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