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2018-05-03[xfa] Verify field count before accessingDan Sinclair
When processing items for layout it's possible for the iBlockIndex*3 value could be larger then the field split count. If this is the case we'll walk off the end of the split array. This CL verifys that we have enough data before attempting to walk the splits and returns early if we don't have enough data. Bug: chromium:837585 Change-Id: I534298b4ee354ce079442d893202f811431155a0 Reviewed-on: https://pdfium-review.googlesource.com/32051 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-03Use strict types in FPDF API, try #3Tom Sepez
Rather than messing with actual inheritence, add type-checking wrappers and just blatantly cast to incomplete types. Along the way, this points out places where we would downcast without checking, which I fix. Change-Id: Ieb303eb46ad8522dfe082454f1f10f247ffd52d5 Reviewed-on: https://pdfium-review.googlesource.com/32030 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-03Add CPDF_Page::Extension::GetDocExtension()Tom Sepez
In turn, add CPDF_Document::Extension::GetPDFDoc() so that we can use the abstract return type in more places. Mark an internal-only cpdfxfa_context method as private while we're at it. Change-Id: I08e64f4b9438bf2f731c3a37cf2a41152bbbd8fa Reviewed-on: https://pdfium-review.googlesource.com/31916 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-03Make GetPDFDocument return a CPDF_Docment*, not void*.Tom Sepez
Small oversight. Gets type safety. Change-Id: I669c2c990fdf9013f4bc4835738132ed76e734b8 Reviewed-on: https://pdfium-review.googlesource.com/31991 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-02Use pointer instead of ref for XFA_RectWithoutMargin param.chromium/3418Henrique Nakashima
Removed many null checks since XFA_RectWithoutMargin already checks if the margin is null internally. Change-Id: I21f5101fe38559eb02f4c3aaf081ff29ce293e47 Reviewed-on: https://pdfium-review.googlesource.com/31993 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-02Use pointer instead of ref for CXFA_Box::GetPathArcOrRounded param.Henrique Nakashima
Change-Id: I1bfada610b8bf2e1f8e0f79a9421db9ebedc7311 Reviewed-on: https://pdfium-review.googlesource.com/32010 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-02Use pointers instead of refs for GetPopupPos() params.Henrique Nakashima
Change-Id: Ic19b91f91f08b1867437b22de04a2c54045ce8ae Reviewed-on: https://pdfium-review.googlesource.com/31992 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-02Convert hand rolled buffer reader in CFX_MemoryStreamRyan Harrison
BUG=pdfium:1007 Change-Id: Ib8aecf2e4833f22a4288f6e1381edc11d114c865 Reviewed-on: https://pdfium-review.googlesource.com/31952 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-02Transform in/out params from ref to pointer in CFX_(Txt|RTF)Break.Henrique Nakashima
Remove some default parameters while we're at it. Change-Id: Ifa51f580d9773ca9cf8d08016361a0283b2d4794 Reviewed-on: https://pdfium-review.googlesource.com/31953 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-02Transform in/out params from reference to pointer in CFDE_TextOut.Henrique Nakashima
Change-Id: I192f2d0f5e0d61ff09d2e32bafa4e7518573e14e Reviewed-on: https://pdfium-review.googlesource.com/31951 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-05-02[xml] Simplify the CFX_XMLParser parse methodsDan Sinclair
This CL moves the switch from CFX_XMLParse::Parse into CFX_XMLParser::DoSyntaxParse. This means all the work to build the tree is now done in one place instead of spread between the two methods. Change-Id: Ie9c6cd67795c3fcbd3e305187a06cd727d386a7c Reviewed-on: https://pdfium-review.googlesource.com/31950 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-02[xml] Rename CFX_XMLParser::ParseTextCharDan Sinclair
This CL renames ParseTextChar to ProcessTextChar to make the usage clearer. The method does not do any parsing, it just decides if the char is part of an entity or not. Change-Id: I9b70a82a421b02e2352cd07bd88b1e581d8578b7 Reviewed-on: https://pdfium-review.googlesource.com/31930 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-02CFWL_MonthCalendar::GetTodayText() includes "Today" string.Henrique Nakashima
All usages were prepending the "Today" string, so move it inside GetTodayText(). Change-Id: I454fb683c9507e76b61bf69ca29a0ee9b49f1a58 Reviewed-on: https://pdfium-review.googlesource.com/31970 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-02Pass DPI as CFX_Size in XFA_DrawImage.Henrique Nakashima
Change-Id: Ifbcb727402c1c28a6e8abe02511d6da6828c02f7 Reviewed-on: https://pdfium-review.googlesource.com/31915 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-02Cleanup XFA document properly on failed loadDan Sinclair
When we fail to parse an XFA document we would free the XML document that is created immediately. This causes issues because the XML nodes may have been set into the CXFA_Document already. This CL changes ParseDoc to always save the XMLDocument and then triggers the CloseDoc() logic if the ParseDoc method fails. This should properly cleanup any resources on a failed document load. Bug: chromium:837578 Change-Id: I8af7e6e34e3b756455c58ea50b22af414ffa6cbf Reviewed-on: https://pdfium-review.googlesource.com/31710 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-02Add a CFX_XMLDocument class.Dan Sinclair
This CL adds a CFX_XMLDocument to act as the XML node container. All nodes are now owned by the document and the document is returned by the CFX_XMLParser. Classes which parse XML files now store the document instead of the root node. BUG: chromium:835636 Change-Id: I1e07d6115cf14714911d6fd4c3fa920c94fd5faf Reviewed-on: https://pdfium-review.googlesource.com/31313 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-02Remove out params from CalculateAccWidthAndHeight. Return CFX_Size.Henrique Nakashima
Change-Id: I1088abd4ce8f6276043213218867c4d6fb0a46a9 Reviewed-on: https://pdfium-review.googlesource.com/31914 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-02Remove int out params from reference to pointer in CXFA_Node.Henrique Nakashima
Return a CFX_Size instead. Change-Id: I3bef1093fbc887237aa69dc942f878af27b4e8e9 Reviewed-on: https://pdfium-review.googlesource.com/31911 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-05-02Make several Huffman decoders consistently check for integer overflows.Lei Zhang
BUG=chromium:837972 Change-Id: I6cfa28bff38870419e4b1e2bced427cfcbf843cd Reviewed-on: https://pdfium-review.googlesource.com/31912 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-02Remove unused cpdfxfa_context.h includes from unittestsTom Sepez
A previous CL removed the need to these inclusions. Change-Id: Idedbb1905317e90a94935884d12dbec8245e1122 Reviewed-on: https://pdfium-review.googlesource.com/31913 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2018-05-02Add CPDF_Document::Extension::GetPageCount()Tom Sepez
Another virtual API at the CPDF layer, to avoid a compile time ifdef XFA. Change-Id: Ia95c4d3b3d3b773aaf45c49ebcadff6b16ca18c6 Reviewed-on: https://pdfium-review.googlesource.com/31910 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-01Transform float out params from reference to pointer in CXFA_Node.Henrique Nakashima
Change-Id: I4039917c5342f6a4c6568029a293066901bb5db4 Reviewed-on: https://pdfium-review.googlesource.com/31870 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-05-01Add CPDF_Document::Extension::DeletePage()Tom Sepez
Replaces one compile-time #ifdef XFA with a dynamic check and a call through a virtual API that prevents the CPDF code from knowing anything about the XFA code. Change-Id: If0ff9b6918b908b3eac824fe1d525c6d4f7316e7 Reviewed-on: https://pdfium-review.googlesource.com/31890 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-01Avoid perpetual spins for parserless CPDF_PagesTom Sepez
This is an obstacle to introducing dummy CPDF_Pages to underly all CPDFXFA_Pages, since we would then have a parserless CPDF_Page, whose parse could never succeed or fail. The m_ParseState would never change, and if the caller dutifully recalls us until that changes, we hang. Small separate CL since it might impact non-XFA cases unexpectedly. Change-Id: I002064e5d4caa44935f50bde0f3b00e3b8cb0bfe Reviewed-on: https://pdfium-review.googlesource.com/31850 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-01Transform size out param from reference to pointer in CXFA_Node.Henrique Nakashima
Change-Id: I3ed6cbadeb9da756b30634b48ffdd1026a70b8a0 Reviewed-on: https://pdfium-review.googlesource.com/31853 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2018-05-01Transform rect out param from reference to pointer in XFA code.Henrique Nakashima
Change-Id: Ib5f8b8754bca8198d9122700d7d876b45d1428da Reviewed-on: https://pdfium-review.googlesource.com/31852 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-05-01Start at today's date in XFA Month Calendar.chromium/3417Henrique Nakashima
Bug: pdfium:751 Change-Id: I125fbb0dd8ff4a382c4cec33a29c52a97e67de23 Reviewed-on: https://pdfium-review.googlesource.com/31851 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-05-01Clean up CFX_BidiString.Lei Zhang
- Refer to the string in CFX_BidiString by const-ref. - Remove useless CharAt() method. - Turn a member variable into a local variable. Change-Id: I30f221b7350150c839a793129789d8ea7cc1f331 Reviewed-on: https://pdfium-review.googlesource.com/31670 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-05-01Fix last character missing from strings in XFA Month Calendar.Henrique Nakashima
This was a bug introduced in a refactor a long, long time ago. A line was removed (probably unintentionally). https://chromiumcodereview.appspot.com/2435603003/diff/40001/xfa/fxfa/app/xfa_fwltheme.cpp Bug: pdfium:751 Change-Id: I0e3d094a543bd0e31010a8093387906d62c0a5dc Reviewed-on: https://pdfium-review.googlesource.com/31830 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2018-05-01Check for NULL XFA context even when XFATom Sepez
Use strict typing for FPDF_Page to ensure we don't fall into code that expects the other page type when continuing from null context case. Change-Id: I7f028ef3e3d733f5557620030a87e22997da00d5 Reviewed-on: https://pdfium-review.googlesource.com/31770 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-05-01Make FPDF_Document always be CPDF_Document.Tom Sepez
Greatly minimize the impact between going back and forth from XFA being on/off, so that XFA case is just an extension beyond the non-XFA data structures we've shipped for years, instead of being a complete replacement of them. Change-Id: I6c98206e0ec99ea443547a4931eba912b1764d54 Reviewed-on: https://pdfium-review.googlesource.com/31690 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-01Introduce the concept of CPDF_Page::ExtensionTom Sepez
Similar tp CPDF_Document::Extension, this is a base type for fpdfsdk/ to use to improve layering. While we're at it, make pages point to documents to prove they don't outlive them. Another small step towards not passing XFA objects across FPDF. Change-Id: Idcee9da3a18c06331fa56f3d6c188e4ce27d34f2 Reviewed-on: https://pdfium-review.googlesource.com/31631 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-05-01Fixes XML Instruction handling in CXFA_DocumentParser.Dan Sinclair
This CL fixes issues with handling XML instructions in CXFA_DocumentParser. Unittests were added to verify the behaviour. Change-Id: Iff8d51d0e6d411419473c9b2c32c700d4bbf86f5 Reviewed-on: https://pdfium-review.googlesource.com/31810 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-01Fix CFX_XML and add unit testsDan Sinclair
This CL fixes several issues in the CFX_XML class and adds unit tests. Change-Id: I05270690de8f3c45dceb866e17ef899ae6d23389 Reviewed-on: https://pdfium-review.googlesource.com/31753 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-05-01Fix possible integer overflows in CFX_RTFBreak.Henrique Nakashima
Bug: chromium:838095 Change-Id: I21de7cf88c995446049faa3d688a286faa117868 Reviewed-on: https://pdfium-review.googlesource.com/31754 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-01Add struct CJBig2_GRDProc::ProgressiveArithDecodeState.Lei Zhang
Track the decode state in one data structure. Also grab pointers to data structure members before tight loops when decoding. It turns out referring to this->foo in tight loops can actually slow down decoding. Change-Id: I6a09b08ca06ef05968966055b5ad20f8c89896af Reviewed-on: https://pdfium-review.googlesource.com/31790 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-05-01Clean up CJBig2_Image compose methods.Lei Zhang
- Mark them private when possible. - Disambiguate method names. - Make method names match the style guide. - Pass in rects by reference. Change-Id: I0bf848756e81a92d20e46a81cd6260b660eaf482 Reviewed-on: https://pdfium-review.googlesource.com/31772 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-04-30Reorganize Unicode_GetNormalization() some more.Lei Zhang
Change-Id: I183a53d08f5da73d788c92b53382e3fac3b823e2 Reviewed-on: https://pdfium-review.googlesource.com/31671 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-04-30Add CPDF_TextPage::GetPrevCharInfo() helper method.Lei Zhang
Change-Id: Ie5bea82757682390b274ad2da77d1686cc597046 Reviewed-on: https://pdfium-review.googlesource.com/31657 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-04-30Change out parameter of CFGAS_GEFont::GetCharWidth to pointer.chromium/3416Henrique Nakashima
Change-Id: I1e04c7645b2238d292a6a8eb5fb5fa365fa958f5 Reviewed-on: https://pdfium-review.googlesource.com/31752 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-04-30Fix more possible integer overflows in CFX_TxtBreak.Henrique Nakashima
Bug: chromium:838095 Change-Id: I9b5edefbff9f84b9b913ab4387a7df2588e203fb Reviewed-on: https://pdfium-review.googlesource.com/31751 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-04-30Simplify Unicode_GetNormalization() and caller.Lei Zhang
Change-Id: I9a5acb59790fd8527ced745370bdfe35e4d21c36 Reviewed-on: https://pdfium-review.googlesource.com/31656 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-04-30Fix some nits in CPDF_TextPage.Lei Zhang
Change-Id: Ib0b1d014af31493c73a74d81c1f3454a203da949 Reviewed-on: https://pdfium-review.googlesource.com/31655 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-04-30Saner memory managment in cttfontdesc, part 1.Tom Sepez
A subsequent patch will tackle the ad-hoc ref counting, but we can tidy this before going down that hole. Decouple CTTFontDesc creation from face setting. Remove union and treat single-entry case as vector's first element. Pass unique_ptr to prove memory ownership. Change-Id: Ic427798da04f3afbb65a56ee10045b9f22457a73 Reviewed-on: https://pdfium-review.googlesource.com/31730 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-04-30Fix Integer-overflow in CFX_TxtBreak::AppendChar_OthersHenrique Nakashima
Bug: chromium:838095 Change-Id: I6fbb67ad763800eb45fb3c84f909f74e238748e0 Reviewed-on: https://pdfium-review.googlesource.com/31750 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-04-30Optimize yet another piece of barcode codeRyan Harrison
Rolling two iterations over the input into one, and reserving the maximum possibly output size to avoid memory thrash when appending. Under Valgrind this reduces the instruction count by ~200x BUG=chromium:837610 Change-Id: If12a3b98048b41906a4401d4dcc9470b513e28d2 Reviewed-on: https://pdfium-review.googlesource.com/31731 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-04-30Make CPDFSDK_FormFillEnvironment always hold a CPDF_Document.Tom Sepez
Small step towards removing UnderlyingDocumentType and making FPDF documents always be CPDF documents, regardless of XFA. This improves layering a bit in the process. Change-Id: Ice5ed7ba1ffdd7edfc9c4719f0e3a9cfb22f5790 Reviewed-on: https://pdfium-review.googlesource.com/31672 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-04-27Tidy cfx_gif.h.chromium/3415chromium/3414chromium/3413Tom Sepez
Use C++ style struct syntax (file already has other C++ features). Assert that things have packed as intended since they map to known layouts. Order these asserts in the same order as .h file. Change-Id: I0a006c4b5789fb544783f488d5b4e609e32c7ec1 Reviewed-on: https://pdfium-review.googlesource.com/31654 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2018-04-27Remove an obsolete TODO.Lei Zhang
Should have been removed in commit 704a617e. TBR=hnakashima@chromium.org Change-Id: I3871cb5ca0fa02247530af1fab86e2c321d467ad Reviewed-on: https://pdfium-review.googlesource.com/31653 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2018-04-27Fix illegal cast in core/fxge/win32/fx_win32_gdipext.cppTom Sepez
Bug: pdfium:243 Change-Id: I36ebe64daa042b998878ffacfca9846b5303450b Reviewed-on: https://pdfium-review.googlesource.com/31652 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
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