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This might make the memory tools more effective in finding OOBs.
Change-Id: Id093bb0a88c37954c80d612ac00b5a168e75bdbf
Reviewed-on: https://pdfium-review.googlesource.com/29550
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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This CL renames IFX classes in core/fxge to Iface.
Change-Id: I137167ddd4ff1563d8002d9501222c27183408cc
Reviewed-on: https://pdfium-review.googlesource.com/27990
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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Change-Id: Ibaf53ee27eefc692ac4f002c3ab28b7738676b31
Reviewed-on: https://pdfium-review.googlesource.com/26991
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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Change-Id: Ic1d63e8ef54a820b01d67dbf1dd6f6f72a06b77c
Reviewed-on: https://pdfium-review.googlesource.com/26990
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
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The existing code has a couple of issues that need to be
addressed. First it assumes that for a hash, there will be an entry in
the map and blindly calls the [] operator and takes the address of the
result. If there isn't an entry for the hash then this will cause a
crash. This has been converted to a call to find and returning
nullptr, which is the fail result, if it cannot find an entry for the
hash.
The other issue is that it assumed that the first entry in the vector
would be a valid pointer. When removing fonts from the vector,
RemoveFont, first nulls out entries. Once all of the entries have been
removed from a vector on subsequent calls to RemoveFont, then the
vector is removed from the map. Thus the first entry in the vector
might not be the correct value to return. This has been changed to a
linear scan of the vector for a valid pointer.
BUG=chromium:648177
Change-Id: Ife758636545f0d10fb726c243e3e0a5b7c1d1138
Reviewed-on: https://pdfium-review.googlesource.com/25930
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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BUG=pdfium:798
Change-Id: I054db94b53fbfabdf5dd860e951bef9c53177ad1
Reviewed-on: https://pdfium-review.googlesource.com/24830
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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BUG=pdfium:798
Change-Id: If89c162f8a6c15a8a0f4313fbf4713ee2fde5357
Reviewed-on: https://pdfium-review.googlesource.com/24719
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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Bug: 806612
Change-Id: I22bd9046dd37a1b596762c46a6b29a323d6e9fa1
Reviewed-on: https://pdfium-review.googlesource.com/24410
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
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Change-Id: I0a07dbc9850bef2184ed35ff04b08385fc1bdd17
Reviewed-on: https://pdfium-review.googlesource.com/22891
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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Change-Id: I0caba99cb8e99ea5af49d906b576f580275620bb
Reviewed-on: https://pdfium-review.googlesource.com/20570
Reviewed-by: dsinclair <dsinclair@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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Also fix other occurrences that were missed.
Bug:pdfium:947
Change-Id: Ic7e909ff9ce3abdf91e8e9ba108c84ad28b2fd65
Reviewed-on: https://pdfium-review.googlesource.com/20472
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
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See the bugs and cxx post for justification and details:
https://groups.google.com/a/chromium.org/forum/#!topic/cxx/RkOHzIK6Tq8
This change was done using clang-tidy as described here:
https://chromium.googlesource.com/chromium/src/+/lkcr/docs/clang_tidy.md
In some cases the the tool leaves behind a string of commas where it
replaced a member initializer list
(https://bugs.llvm.org/show_bug.cgi?id=35051). They were cleaned up
with:
git diff --name-only | \
xargs sed -E -i 's/(^\s*|\)\s*):[ ,]*= default/\1 = default/'
Bug: chromium:778959, chromium:778957
Change-Id: I23e60d3d6c8bc9e8574d425710a0441cb5510d6b
Reviewed-on: https://pdfium-review.googlesource.com/19970
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves the Format and FormatV methods of ByteString to be static.
Bug: pdfium:934
Change-Id: I9c30455a789aff9f619b9d5bf89c0712644f2d9a
Reviewed-on: https://pdfium-review.googlesource.com/18650
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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This CL unifies a bit the public methods of CFGAS_FontMgr. It does so by
replacing the multiple maps on the Windows implementation to a single
map from hash to font. Also, cloning CFX_Fonts is avoided with the use
of SetLogicalFontStyle. These Windows changes are just mimicking other
OS's. As a side-effect, some members of CFX_Fonts are now owned so the
raw pointers are replaced with unique_ptrs.
Change-Id: I576d438572ccbe6c48f8f5cc434d66fc6adba372
Reviewed-on: https://pdfium-review.googlesource.com/18131
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
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This CL removes the single use case from |m_bFlagExact|. This flag
allows the PDF viewer to treat a substitute font with a matching name as
if it was actually an embedded font, which is wrong. For all substitute
fonts, it is important to follow the longer process of first obtaining
the unicode from the charcode to then obtain the glyph in the substitute
font that corresponds to that unicode.
Bug: chromium:781785
Change-Id: Ie5958b43914e0e46334b89b7c2c55c02d0da0c11
Reviewed-on: https://pdfium-review.googlesource.com/17859
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Nicolás Peña Moreno <npm@chromium.org>
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The CFX_CRTFileAccess class was only used in one place and only provided
one method. That method was folded back into the caller and the class
removed.
Change-Id: I5e670474244a9ec037b6d099d67bd5091cac7ff4
Reviewed-on: https://pdfium-review.googlesource.com/15410
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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Use methods to match font information; cleanup some font code.
Change-Id: Ib99c1e466e56723cb5d264d49e1caf9bbbc0daed
Reviewed-on: https://pdfium-review.googlesource.com/15072
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL removes duplicate defines between XFA and core. Several OR'd
values have been coverted into individual booleans to make the code
clearer.
Change-Id: Ic32a71c711cffd9a0cf1136e5a22f0502e085c39
Reviewed-on: https://pdfium-review.googlesource.com/15071
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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Remove unused params, cleanup return values.
Change-Id: I9a1bc400e24cdcac982a578242ff0f9de8055775
Reviewed-on: https://pdfium-review.googlesource.com/15070
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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This CL moves the CFX_Font definition out of fx_font.h and into
cfx_font.h to match the cfx_font.cpp implementation.
Change-Id: Icc2fc7463fa4b9d0bec925e80b60a638136a83a1
Reviewed-on: https://pdfium-review.googlesource.com/14951
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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With the conversion of internal string sizes to size_t, these wrappers
are no longer needed. Replacing them with strlen and wcslen
respectively.
BUG=pdfium:828
Change-Id: Ia087ca2ddaf688a57ec9bd9ddfb8533cbe41510d
Reviewed-on: https://pdfium-review.googlesource.com/14890
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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BUG=pdfium:828
Change-Id: I5c40237433ebabaeabdb43aec9cdf783e41dfe16
Reviewed-on: https://pdfium-review.googlesource.com/13230
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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This CL moves the static CFGAS_FontMgr methods to the anonymous
namespace.
Change-Id: I2835099ed9e503ee04daca3012a4ddd278255fdc
Reviewed-on: https://pdfium-review.googlesource.com/14830
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
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This CL renames the FX_OS defines to have _OS_ in their names and drops
the _DESKTOP suffix. The FXM defines have been changed to just FX.
Change-Id: Iab172fba541713b5f6d14fb8098baf68e3364c74
Reviewed-on: https://pdfium-review.googlesource.com/14833
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves FX_HandleParentPath to be a private inner class of
CFX_FontSourceEnum_File.
Change-Id: I5e2d16c4d78457a28e1833d0b937547019cdece6
Reviewed-on: https://pdfium-review.googlesource.com/14818
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves the public part of the CFGAS_FontMgr declaration to be
shared across all platforms.
Change-Id: I92e587fe06611c92f72746477775802c2f3b8b57
Reviewed-on: https://pdfium-review.googlesource.com/14817
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves the font source into the font manager so it doesn't need
to be stored by each caller (and removes the platform dependant code).
The |EnumFonts| method is exposed on the CFGAS_FontMgr so the caller can
clear the manager if the enumeration fails.
Change-Id: Iecce3d2e09ff01152b7bb79a34fe2b728320da9c
Reviewed-on: https://pdfium-review.googlesource.com/14816
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL removes some default parameters from the font code.
Change-Id: If6f6e09c93474e1e8b7ffaae53eb37dd40c32fab
Reviewed-on: https://pdfium-review.googlesource.com/14815
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL moves CFX_UnownedPtr to UnownedPtr and places in the fxcrt
namespace.
Bug: pdfium:898
Change-Id: I6d1fa463f365e5cb3aafa8c8a7a5f7eff62ed8e0
Reviewed-on: https://pdfium-review.googlesource.com/14620
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL renames CFX_RetainPtr to RetainPtr and places in the fxcrt
namespace.
Bug: pdfium:898
Change-Id: I8798a9f79cb0840d3f037e8d04937cedd742914e
Reviewed-on: https://pdfium-review.googlesource.com/14616
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL renames CFX_Observable to Observable and moves into the fxcrt
namespace.
The test suite names were updated to ObservedPtr from fxcrt.
Bug: pdfium:898
Change-Id: Ia507482bc0a1d6d8bbf12c0c55c4a88f6c8910e2
Reviewed-on: https://pdfium-review.googlesource.com/14615
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL removes any XFA requirements on the default font manager and
moves it to the fgas/ directory. Some helper methods from CXFA_FontMgr
are moved into the fgas/fgas_fontutils.h files.
Change-Id: I17ba8dc2bd60085c17d8a3328f6625675a82787f
Reviewed-on: https://pdfium-review.googlesource.com/14570
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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XFA bits passed into the PDFFontMgr are just used to get the
CPDF_Document and the CFGAS_FontMgr. This CL changes the code to pass
those two things into the constructor. Then, the fxfa/cxfa_pdffontmgr.*
code has been moved to fgas/cfgas_pdffontmgr.* to show it doesn't depend
on any of the XFA classes.
Change-Id: I21d791869e2a32ffedfd7c87bb3bbd035232d991
Reviewed-on: https://pdfium-review.googlesource.com/14550
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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Automated using git grep & sed.
Replace StringC classes with StringView classes.
Remove the CFX_ prefix and put string classes in fxcrt namespace.
Change AsStringC() to AsStringView().
Rename tests from TEST(fxcrt, *String*Foo) to TEST(*String*,
Foo).
Couple of tests needed to have their names regularlized.
BUG=pdfium:894
Change-Id: I7ca038685c8d803795f3ed02545124f7a224c83d
Reviewed-on: https://pdfium-review.googlesource.com/14151
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
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Change-Id: I87b5e6cefe973b82b4868e56fc5285c95c53a12b
Reviewed-on: https://pdfium-review.googlesource.com/12550
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
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Remove dead code, move code to namespaces where possible, cleanup some
single use items.
Change-Id: Ia734477ceb2105a1ed272463bd8220f1205a7ce9
Reviewed-on: https://pdfium-review.googlesource.com/12732
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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The Find and ReverseFind methods for WideString, WideStringC,
ByteString, and ByteStringC have been converted from returning a raw
FX_STRSIZE, to returning Optional<FX_STRSIZE>, so that success/failure
can be indicated without using FX_STRNPOS.
This allows for removing FX_STRNPOS and by association makes the
conversion of FX_STRSIZE to size_t easier, since it forces checking
the return value of Find to be explictly done as well as taking the
error value out of the range of FX_STRSIZE.
New Contains methods have been added for cases where the success or
failure is all the call site to Find cared about, and the actual
position was ignored.
BUG=pdfium:828
Change-Id: Id827e508c8660affa68cc08a13d96121369364b7
Reviewed-on: https://pdfium-review.googlesource.com/11350
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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Currently Find() and other methods that return a FX_STRSIZE return -1
to indicate error/failure. This means that there is a lot of magic
numbers and magic checks floating around. The standard library for
similar operations uses a npos constant. This CL implements
FX_STRNPOS, and replaces usages of magic number checking. It also does
some type cleanup along the way where it was obvious that FX_STRSIZE
should be being used.
Removing the magic numbers should make eventually changing FX_STRSIZE
to be unsigned easier in the future.
BUG=pdfium:828
Change-Id: I67e481e44cf2f75a1698afa8fbee4f375a74c490
Reviewed-on: https://pdfium-review.googlesource.com/9651
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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BUG=pdfium:690
Change-Id: I922279e4bdc8b411f47f49798155e8f9118c1396
Reviewed-on: https://pdfium-review.googlesource.com/6552
Commit-Queue: Chris Palmer <palmer@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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CFGAS_GEFonts are ref counted, and its a good thing since they
are managed by at least three different font managers:
CFGAS_FontMgr, CXFA_PDFFontMgr, and CXFA_FontMgr. None of these
have a clear claim to ownership of the CFGAS_GEFont.
CFGAS_GEFont has back-pointers to two of these, CFGAS_FontMgr, and
CXFA_PDFFontMgr, and they could each outlive the other. Thus the
font needs to watch for destruction of either of its managers, so
as to stop using it after its gone.
Bug: 724640
Change-Id: I907ec35e300e11e532e13545d51fb200ac86b4f9
Reviewed-on: https://pdfium-review.googlesource.com/5735
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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There are places where an object "child" has a raw pointer
back to object "owner" with the understanding that owner will
always outlive child.
Violating this constraint can lead to use after free, but this
requires finding two paths: one that frees the objects in the
wrong order, and one that uses the object after the free. The
purpose of this patch is to detect the constraint violation
even when the second path is not hit.
We create a template that is used in place of TYPE*. It's dtor,
when a memory tool is present, goes out and probes the first
byte of the object to which it points. Used in "child", this
allows the memory tool to prove that the "owner" is still alive
at the time the child is destroyed, and hence the constraint is
never violated.
Change-Id: I2a6d696d51dda4a79ee2f00a6752965e058a6417
Reviewed-on: https://pdfium-review.googlesource.com/5475
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
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Many of these are already unique_ptrs.
Change-Id: I3695d4ff5a8f7483ad994ac7657897fd55069cd5
Reviewed-on: https://pdfium-review.googlesource.com/4690
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>
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The CFX_MemoryStream is the only implementation of IFX_MemoryStream.
This CL removes the interfaces and uses CFX_MemoryStream directly.
Change-Id: I2f43fa39e82dafa7673517d214ae15fd2d0df331
Reviewed-on: https://pdfium-review.googlesource.com/4391
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This CL cleans up the fx_extension file. The stream code was moved to
fx_stream. IFX_FileAccess was removed and CFX_CRTFileAccess split to its
own file. Code shuffled from header to cpp file.
Change-Id: I700fdfcc9797cf4e8050cd9ba010ad8854feefbf
Reviewed-on: https://pdfium-review.googlesource.com/4371
Reviewed-by: Nicolás Peña <npm@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This Cl cleans up the unused defines in fx_codepage.h. The
FXFONT_CHARSET_ defines are replaced with fx_codepage defines, this
moves fx_codepage into core instead of xfa only. Static asserts are
added to verify the public/ charsets match the fx_codepage charsets.
Change-Id: Ie2f749e093de60a9a6743128a1fb087912e4cc96
Reviewed-on: https://pdfium-review.googlesource.com/4316
Commit-Queue: dsinclair <dsinclair@chromium.org>
Commit-Queue: Nicolás Peña <npm@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
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This CL moves the FGAS stream code into core/fxcrt and renames to
CFX_SeekableStreamProxy.
Change-Id: I6641fe0cca45a128ef3ec281b0b40f8d60296387
Reviewed-on: https://pdfium-review.googlesource.com/4311
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
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This CL replaces IFGAS_Stream with the only implementation CFGAS_Stream.
The CreateReadStream and CreateWriteStream methods are removed in favour
of calling MakeRetain directly.
Change-Id: I882a89258f642e24fc3d631587db05652bd53ded
Reviewed-on: https://pdfium-review.googlesource.com/4210
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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This CL moves the FX_GetCodePageFromCharset method into cfgas_fontmgr
anonymouse namespace.
Change-Id: I1232341b8639328035f12aebfb7a65a4fc0ba08f
Reviewed-on: https://pdfium-review.googlesource.com/4291
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
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This Cl removes the MakeSeekableReadStream call and, at the one place
it's used, creates an IFX_MemoryStream which is a seekable read stream.
Change-Id: I6b0b23636eff47f8caca5432313ba99703e21e4d
Reviewed-on: https://pdfium-review.googlesource.com/4037
Reviewed-by: Nicolás Peña <npm@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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This Cl drops the FXSYS_ from mem methods which are the same on all
platforms.
Bug: pdfium:694
Change-Id: I9d5ae905997dbaaec5aa0b2ae4c07358ed9c6236
Reviewed-on: https://pdfium-review.googlesource.com/3613
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
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