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2017-09-05Refactoring of CPDF_IndirectObjectHolder.Artem Strygin
CPDF_IndirectObjectHolder is optimized. Recursively parsing of same object has been fixed. Change-Id: I22e5cfd6b03eee0677f2b1f8ba32bf29cad441fc Reviewed-on: https://pdfium-review.googlesource.com/12590 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-09-05Move Parsing of indirect object logic into CPDF_SyntaxParser.Artem Strygin
Change-Id: I5473d6db3e6fc247d52a83b34424958dc20387f4 Reviewed-on: https://pdfium-review.googlesource.com/12150 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-09-05Split fx_ucd.h into fx_unicode.h and fx_ucddata.h.Tom Sepez
File naming now matches. Fix one usage not going through the accessor function. Change-Id: I5cc4986238764964f2a71807a94bd2facf517263 Reviewed-on: https://pdfium-review.googlesource.com/12930 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-09-01Cleanup usages of Mid(foo, 1), Right(1), and Left(1)chromium/3203Ryan Harrison
Mid(foo, 1) is equivalent to [foo], if all you want is the character. Similarly Left(1) is [0]. It is faster also, since it does not need to create intermediate strings. Right(1) is a touch more tricky, since it requires something like GetLength() ? [GetLength() - 1] : 0;. A new method, Last() has been added to perform this character extraction. Multiple call sites have been updated to use more efficient/simpler syntax. There are a number of call sites that use on these patterns, but based on the surrounding context we actually need/want a string, so they have not been modified. Change-Id: I485a7f9c7b34c9bdacecada610158f996816afdd Reviewed-on: https://pdfium-review.googlesource.com/12890 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-09-01Prepare for converting FX_STRSIZE int->size_tRyan Harrison
When turning on this conversion a number of typing issues and other nits where found in the code base that can be merged in without actually changing the underlying type. Landing these changes before the type change CL, since there is a high likelihood that the type change will need to be rolled back, since it is high risk. BUG=pdfium:828 Change-Id: I587443d9090055963446485a1aacb8772eb5ca64 Reviewed-on: https://pdfium-review.googlesource.com/12810 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-09-01Fix integer overflow in Buffer_itoa when passing INT_MIN.Henrique Nakashima
Bug: chromium:760034 Change-Id: Id0862749b1454e065de4de7d746a27e78ac58e30 Reviewed-on: https://pdfium-review.googlesource.com/12730 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-09-01Adjust loops in preperation for FX_STRSIZE int->size_tRyan Harrison
Adjust loop conditions and behaviours in preperation for convering the underlying type of FX_STRSIZE to size_t. These changes are not dependent on the type switch occuring, so can be landed before hand. BUG=pdfium:828 Change-Id: I5f950c99c10e5ef0836959e3b1dd2e09f8f5afc0 Reviewed-on: https://pdfium-review.googlesource.com/12750 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-08-31Remove unused FXFORMAT_HEX and FXFORMAT_CAPITAL.Henrique Nakashima
Change-Id: I13140ea4242db4b0860f8fdd164f50d1745c0794 Reviewed-on: https://pdfium-review.googlesource.com/12790 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-31Rename fxcrt_ and ifxcrt_ files to better namesDan Sinclair
The CFXCRT and IFXCRT prefix was only used on 3 files. This CL renames them to the more common CFX and IFX. The files were renamed as needed. Change-Id: Iccdaa55c5822adb93af7c58aedfb121413a30223 Reviewed-on: https://pdfium-review.googlesource.com/12675 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-31Move implementations into fx_system.cppDan Sinclair
This CL moves code defined in fx_system.h to be implemented in fx_system.cpp. Change-Id: I0c19066d4497bd208f4560fdcaf57cf04bf9f146 Reviewed-on: https://pdfium-review.googlesource.com/12674 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-31Move fx_extension implementation to cpp fileDan Sinclair
This CL moves the GetBits32 implemenation into fx_extension.cpp. It also moves some of the fx_basic unittests to the correct unittest files. Change-Id: I2cf8657c228375508db0f02baa628d62a3b2ab25 Reviewed-on: https://pdfium-review.googlesource.com/12673 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-31Move stream code into fx_stream.cppDan Sinclair
This CL moves methods defined in fx_stream.h into the fx_stream.cpp file. Change-Id: I32147d18dd7f4a29c228f11d108ac01cb891b290 Reviewed-on: https://pdfium-review.googlesource.com/12672 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-31Disable objects decryption if it is useless.Artem Strygin
Change-Id: I6a588b4af4cfede922bc3756be749e9e30e3e8e5 Reviewed-on: https://pdfium-review.googlesource.com/12370 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-08-31Move methods string methods to fx_string.cppDan Sinclair
This CL creates an fx_string.cpp and moves any methods defined in fx_string.h into the .cpp file. Change-Id: I64c310b9be6d8f4c3be633a22884023c0b16fc1b Reviewed-on: https://pdfium-review.googlesource.com/12671 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-31Fix colorspace loading for mutually referencing colorspaces.Henrique Nakashima
For example, Indexed colorspace A uses ICC Based colorspace B as its "base". B declares A as its "Alternate" fallback. Bug: chromium:759012 Change-Id: I4b78e68b9a77456050ecae4452837495546bf93d Reviewed-on: https://pdfium-review.googlesource.com/12471 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2017-08-31Cleanup fx_basic_* filesDan Sinclair
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>
2017-08-31More BIDI code shufflingchromium/3206chromium/3205Dan Sinclair
Change-Id: I6df7e7d1283541ea2e6b9bcf3de172f6a886054a Reviewed-on: https://pdfium-review.googlesource.com/12731 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-31Move bidi code to fx_bidiDan Sinclair
This CL moves the BIDI code from fx_arabic to fx_bidi and conditionally compiles based on XFA. Change-Id: Iaba60486f03e48f0816d60e365a58a8622bc8254 Reviewed-on: https://pdfium-review.googlesource.com/12713 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-31Prevent FPDFAvail_IsDocAvail() from infinite looping.Lei Zhang
BUG=pdfium:875 Change-Id: I3cc29990f0a3398ae903bc14417ec695cca30c6c Reviewed-on: https://pdfium-review.googlesource.com/12391 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Art Snake <art-snake@yandex-team.ru> Reviewed-by: Wei Li <weili@chromium.org>
2017-08-31Remove fx_basic.hDan Sinclair
This CL removes the fx_basic.h header and fixes up includes as needed. Change-Id: I49af32a8327bdbcda40c50a61ffbd75d06609040 Reviewed-on: https://pdfium-review.googlesource.com/12670 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-31Prevent duplicate parses of same data, in the same recursive descentRyan Harrison
When parsing if there is a loop in the data being parsed, the recursions will just keep cycling until it exhausts memory and crashes. This CL introduces a parsed set, which a reference to is passed down the descent. If the data being parsed at a specific stage of the descent is already in the parsed set, then the parse returns at that point. BUG=chromium:759224 Change-Id: I1dca73d81020099dec03fd49aaa44cdcdf38e17e Reviewed-on: https://pdfium-review.googlesource.com/12470 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-08-31Use vector instead of pointer in CJBig2_SegmentNicolas Pena
Change-Id: Ic54e0491d9b33a06b5f85963f8127bfa4263f4d6 Reviewed-on: https://pdfium-review.googlesource.com/12450 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
2017-08-31Change CPDF_Form::ParseContent() to ParseContentWithParams().Lei Zhang
Add a new ParseContent() method as a convenience to call ParseContentWithParams() with the default parameters. Change-Id: I274682845a72e125c3fc6299289edb760104ac4d Reviewed-on: https://pdfium-review.googlesource.com/12250 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2017-08-31Fix code style.Artem Strygin
rename m_linearized_first_page_cross_ref_start_obj_num --> m_dwLinearizedFirstPageXRefStartObjNum Change-Id: I12194169f10df445d7c81305491775c15c400fad Reviewed-on: https://pdfium-review.googlesource.com/12630 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-31Split IFX_Pause out of fx_basicDan Sinclair
This CL moves IFX_Pause out to its own class from fx_basic and updates includes as needed. Change-Id: Iebdd183d8c85aa17570f190f1a7d1602c0af3c8b Reviewed-on: https://pdfium-review.googlesource.com/12491 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-30Add truly const versions of CPDF_Document getters.Lei Zhang
Instead of only having CPDF_Dictionary* GetRoot() const, provide const CPDF_Dictionary* GetRoot() const and CPDF_Dictionary* GetRoot(). Do the same for GetInfo(). Change-Id: I6eae1208d38327fcdc7d0cd75069a01c95f4a92a Reviewed-on: https://pdfium-review.googlesource.com/11671 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-30Split CFX_FixedBufGrow out of fx_basicchromium/3201Dan Sinclair
This CL moves CFX_FixedBufGrow to its own files and updates includes as needed. Change-Id: Ia0cb70569b30acdb3ba9f23d8937ab8f9c17d6e6 Reviewed-on: https://pdfium-review.googlesource.com/12490 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-30Move CFX_WideTextBuf out of fx_basicDan Sinclair
This CL moves CFX_WideTextBuf to its own files and updates includes as needed. Change-Id: Ibe66ecf3e66f8f01dd8e9eaf6b467588be86ad4f Reviewed-on: https://pdfium-review.googlesource.com/12413 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-30Move CFX_BinaryBuf out of fx_basicDan Sinclair
This CL splits the CFX_BinaryBuf out of fx_basic into its own files. The various includes have been updated. Change-Id: I0fa616eeb4df6dd229c02dc3a0597b3dced59425 Reviewed-on: https://pdfium-review.googlesource.com/12412 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-30Move CFX_UTF8Decoder out of fx_basicDan Sinclair
This CL moves CFX_UTF8Decoder out of fx_basic and includes where needed. Change-Id: I1a093a8a77bbefcc90fbb2f81b1da65bfc0512bf Reviewed-on: https://pdfium-review.googlesource.com/12411 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-30Move CFX_UTF8Encoder out of fx_basicDan Sinclair
The CFX_UTF8Encoder is only used in FX_UTF8Encode(). This CL moves the class to the anonymous namespace with that method. The unused AppendStr method has been removed. Change-Id: Ie514686c4b4489bb0b0df83b7eeec14bb1876fcd Reviewed-on: https://pdfium-review.googlesource.com/12410 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-30Fix undefined shift in CJBig2_Context::decodeSymbolIDHuffmanTableNicolas Pena
Bug: chromium:755532 Change-Id: Ib04426fab52d0ca1d2544a21fd2ce4faaa57123f Reviewed-on: https://pdfium-review.googlesource.com/12430 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
2017-08-30Split auto restorer from fx_basicDan Sinclair
This CL moves CFX_AutoRestorer into its own file, separate from fx_basic.h. Change-Id: I415cb9207416bd4744b8ac8e2d7466852db53f0a Reviewed-on: https://pdfium-review.googlesource.com/12390 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-30Move CFX_BitStream to its own fileDan Sinclair
This CL moves the CFX_BitStream code out of fx_basic and into cfx_bitstream. Bug: pdfium:867 Change-Id: I5b7e6190a7db1fe1d24feb6bd676035a5c73ee92 Reviewed-on: https://pdfium-review.googlesource.com/12350 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-30Convert int* references to FX_STRSIZERyan Harrison
Through out the code base there are numerous places where variables are declared using a signed integer type when interacting with the string classes, since they assume that FX_STRSIZE is 'int'. As part of changing the underling type of FX_STRSIZE to be unsigned, these locations are being changed to use FX_STRSIZE. This is necessary as part of converting the type, but has been broken off into a separate CL, since it should be low risk. Some related cleanups that are low risk are included as part of this CL. BUG=pdfium:828 Change-Id: Ifaae54ad195ccde0fe8672f71271d29a6ebd65fd Reviewed-on: https://pdfium-review.googlesource.com/12210 Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-08-30Cleanup CFX_SeekableStreamProxyRyan Harrison
Clean up being done in preperation for removal of negative length strings. This means that FX_STRSIZE will become unsigned so the return methods cannot return -1. Other cleanup suggested by reviewers is included. BUG=pdfium:828 Change-Id: I2cfb78c8ab7738516e0c9f8a99caec6f6cb12cde Reviewed-on: https://pdfium-review.googlesource.com/12170 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-08-29Implement CPDF_ObjectAvail.Artem Strygin
This is non recursive replacement for CPDF_DataAvail::AreObjectsAvailable. Also added tests. Change-Id: I546289fc0963d2343253755850f55af8c0bd8e4c Reviewed-on: https://pdfium-review.googlesource.com/11430 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-08-29Optimize receiving page, if it have not obj num.Artem Strygin
Make all pages dictionary are not inlined. Original fix: https://codereview.chromium.org/2491583002 Change-Id: Ie3aa662182a70ef6ef1d6121c0576c171e0060dd Reviewed-on: https://pdfium-review.googlesource.com/11810 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Art Snake <art-snake@yandex-team.ru>
2017-08-29Make some CPDF_StreamContentParser methods static.Lei Zhang
For methods that are only exposed for testing. Once they are static, there is no need for dummy CPDF_StreamContentParser constructor calls in the unit tests. Adjust the CPDF_StreamContentParser constructor now that one of the parameters can no longer be a nullptr. Change-Id: If29b02ea216002a7bb325b1913281f58b70382aa Reviewed-on: https://pdfium-review.googlesource.com/12230 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-28Unify CPDF_DataAvail::CheckTrailer.Artem Strygin
Use read validator to check trailer availability Change-Id: Id8c62a6c746f136c05cfa8d646268322e2543b52 Reviewed-on: https://pdfium-review.googlesource.com/11770 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-28Unify CPDF_DataAvail::LoadAllFile.chromium/3199Artem Strygin
Use read validator to check whole file availability. Change-Id: Ic118ccee38557d124ecde3893ee3c18c98c674d5 Reviewed-on: https://pdfium-review.googlesource.com/11712 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-28Unify CPDF_DataAvail::CheckCrossRef.Artem Strygin
Use read validator to check cross ref table availability Change-Id: I050c366a255598ca6d8bcd353afa94c4a09c33a9 Reviewed-on: https://pdfium-review.googlesource.com/11730 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-28Add a nullptr check in ReplaceIndirectObjectIfHigherGeneration().Lei Zhang
Avoid pushing nullptrs into the orphans list. Change-Id: I2d52c83e6f20e89be101365d3cca0960b4941a4f Reviewed-on: https://pdfium-review.googlesource.com/12190 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-08-28Remove unused / rarely used CFX_PTemplate methods.Lei Zhang
CFX_Point and CFX_PointF are derived from CFX_PTemplate. Add a helper function to replace the rarely used method where its used. Change-Id: I28448d44bbae9aa6773d1ad5fd7daf342b67c84c Reviewed-on: https://pdfium-review.googlesource.com/12071 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-08-28Convert find markers to Optionals in CPDF_TextPageFindRyan Harrison
Currently these use -1 as a special value to indicate not set. This creates the same issues that FX_STRNPOS created for converting FX_STRSIZE to size_t, so this code has been rewritten. BUG=pdfium:828 Change-Id: Iaaa96af0dcb2eb8b600f3ea39060a398ac9a3800 Reviewed-on: https://pdfium-review.googlesource.com/12130 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-08-28Add helper methods in CJBig2_GRRDProc.Lei Zhang
Refactor identical code used in decode_Template0_unopt() into their own methods. Change-Id: I37348a280ecc66d91fdcd3c9aabe49d2a8065417 Reviewed-on: https://pdfium-review.googlesource.com/11950 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-08-28Move replaced indirect objects to the orphans list.Lei Zhang
ReplaceIndirectObjectIfHigherGeneration() deletes replaced objects, but those objects may be in use. So move them to the orphans list instead to avoid potential dangling pointers. BUG=chromium:757705 Change-Id: Ide83a1b85b754166d298fd50e655ca331ba4f942 Reviewed-on: https://pdfium-review.googlesource.com/11670 Reviewed-by: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-08-28Change DrawAppearance() methods to take CFX_Matrix by const-ref.Lei Zhang
Change-Id: If038850c745ac26e50c313bdbe630483434caedc Reviewed-on: https://pdfium-review.googlesource.com/11390 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-28Skip decoding of excessively large JBIG2 images.Lei Zhang
BUG=chromium:749610. Change-Id: I4de7855aec552e6c143e7a8be6b90e44945a0fcb Reviewed-on: https://pdfium-review.googlesource.com/11930 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-28Unify CPDF_SyntaxParser::GetObjectXXX methods.Artem Strygin
Merge CPDF_SyntaxParser::GetObject and CPDF_SyntaxParser::GetObjectForStrict. Change-Id: Ic9ff51e24ee981c268239847e3cca1c6f6a6f269 Reviewed-on: https://pdfium-review.googlesource.com/10511 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
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