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2017-05-16Introduce CFX_UnownedPtr to detect lifetime inversion issues.Tom Sepez
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>
2017-05-04Give a couple of char to int functions better names.chromium/3090Lei Zhang
- FXSYS_toDecimalDigit() becomes FXSYS_DecimalCharToInt(). - FXSYS_toHexDigit() becomes FXSYS_HexCharToInt(). Change-Id: If4683e8f85f05124b92ff075056cbc295442087d Reviewed-on: https://pdfium-review.googlesource.com/4930 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-05-02Remove some more |new|s, part 11chromium/3088Tom Sepez
Using vector<uint8_t> as a buffer. Change-Id: I38a8a05e7ec1355980d17533a2c8336e733aa6f6 Reviewed-on: https://pdfium-review.googlesource.com/4791 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2017-04-26Avoid unordered_set and maps for the time being.chromium/3082Tom Sepez
See discussion at https://groups.google.com/a/chromium.org/forum/#!topic/chromium-dev/rdxOHKzQmRY Change-Id: I1803ae97c39b592001835814e2f6674b2c7cb3ea Reviewed-on: https://pdfium-review.googlesource.com/4531 Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2017-04-25Use fx_extension.h utilities in more places.Lei Zhang
Change-Id: Iba1aa793567e69acc3cc1acbd5b9a9f531c80b7a Reviewed-on: https://pdfium-review.googlesource.com/4453 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-04-21Replace FXSYS_iswdigit with std::iswdigit.Lei Zhang
Replace other one-off implementations as well. Change-Id: I2878f3fae479c12b7de5234ee3a26477d602d14d Reviewed-on: https://pdfium-review.googlesource.com/4398 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-04-20Let {Argb,Cmyk}Decode return tuplesNicolas Pena
Change-Id: Ic4e766d9417f9a9ece5f9e4269d0f96e1e91639b Reviewed-on: https://pdfium-review.googlesource.com/4392 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-04-20Cleanup the fx_extension code.Dan Sinclair
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>
2017-04-18Use unique_ptr in JSGlobalAlternate::m_MapGlobalTom Sepez
Change-Id: Iffc3b8654e8c780260f7b58f04b57ae147fce379 Reviewed-on: https://pdfium-review.googlesource.com/4252 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-04-18Use Byte/WideString iteratorsTom Sepez
Change-Id: I85c8423c177fd7ecd5da90ef89419efc0f9cf44b Reviewed-on: https://pdfium-review.googlesource.com/4262 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2017-04-07Cleanup string passing in core/fpdf*Tom Sepez
Return strings where possible. Add missing consts to strings passed by ref. Convert non-const cases to pointers. Rename a few methods to be clearer. Change-Id: I86569bc1744f539e6dd67fc73649b272c016328c Reviewed-on: https://pdfium-review.googlesource.com/3951 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Nicolás Peña <npm@chromium.org>
2017-04-04Remove unneeded void* casts.Lei Zhang
Change-Id: Icf6b0ec88dfc8dc707b18ca4ad25dd77610b4c91 Reviewed-on: https://pdfium-review.googlesource.com/3622 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-04-03Drop FXSYS_ from math methodsDan Sinclair
This Cl drops the FXSYS_ from math methods which are the same on all platforms. Bug: pdfium:694 Change-Id: I85c9ff841fd9095b1434f67319847ba0cd9df7ac Reviewed-on: https://pdfium-review.googlesource.com/3598 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-03-30Fix some nits in the javascript util code.Lei Zhang
Change-Id: I695ca2c4de589f763557d2c327fdb5906bd1a3cf Reviewed-on: https://pdfium-review.googlesource.com/3411 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-03-30Add some calls to MakeUniqueDan Sinclair
This CL replaces some new's with pdfium::MakeUnique. Change-Id: I50faf3ed55e7730b094c14a7989a9dd51cf33cbb Reviewed-on: https://pdfium-review.googlesource.com/3430 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-03-23Cleanup DocType definesDan Sinclair
This Cl synchronizes the DocType's defined in XFA with the DOCTYPE flag used in public/. The internal XFA version is converted to an enum class. Change-Id: I1f7be71a200c1ec0f09f9b08099791da1f4fa2e4 Reviewed-on: https://pdfium-review.googlesource.com/3152 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Nicolás Peña <npm@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-03-14Replace FX_FLOAT with underlying float type.Dan Sinclair
Change-Id: I158b7d80b0ec28b742a9f2d5a96f3dde7fb3ab56 Reviewed-on: https://pdfium-review.googlesource.com/3031 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: Nicolás Peña <npm@chromium.org>
2017-03-14Replace FX_CHAR and FX_WCHAR with underlying types.Dan Sinclair
Change-Id: I96e0a20d66b9184d22f64d8e4ce0dadd5a78c1e8 Reviewed-on: https://pdfium-review.googlesource.com/2967 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-03-13Make most PDFium code pass Clang plugin's auto raw check.Lei Zhang
Change-Id: I9dc32342e24361389841ecba83081a97fc043377 Reviewed-on: https://pdfium-review.googlesource.com/2959 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-02-28Remove unused IconElement::IconStream.Lei Zhang
Follow up to https://pdfium-review.googlesource.com/c/2829/ Change-Id: Ic743a5931f743c3e0e3f24246dca768cec09be4f Reviewed-on: https://pdfium-review.googlesource.com/2843 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-02-27Fix uninitialized memory read in CJS_Object::GetEmbedObject()Tom Sepez
The expected way to create native PDFium objects for JS is via the NewFxDynamicObject() call in C++, but that doesn't mean that the corresponding constructors won't be called from JS. In that case, the internal fields will be uninitialized, and subsequent method calls may try to use them. Add a constructor callback for all PDFium objects that nulls out these fields (shame that v8 doesn't do this by default, but probably saves some cycles). Then ensure that we check for this possibility in all the places it might turn up. Conversely, if we've just gotten a successful return from NewFxDynamicObject(), we know the CJS_Object/EmbedObj are good, so avoid checking there. BUG=695826 Change-Id: Iadad644c4af937def967ddc83daac1dad7544d69 Reviewed-on: https://pdfium-review.googlesource.com/2839 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2017-02-23Remove unused Icon::m_pIconStreamchromium/3022Tom Sepez
It is set, and passed around, but never operated upon. This removes another unowned ptr from JS back to C++ objects. Change-Id: I2a7eede050c6d844924e3c74395e7672ebb0213e Reviewed-on: https://pdfium-review.googlesource.com/2829 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-02-23Observe all formfill environment pointer in JS objects.Tom Sepez
Preventitve measure to decouple JS object lifetimes from C++ objects. Change-Id: I964a52590fcd0bfc26ac6055a7daf8aa33d455f3 Reviewed-on: https://pdfium-review.googlesource.com/2828 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2017-02-23Store JS string constants as single-byte strings.Tom Sepez
Save some space since none contain non-ascii characters. Avoid allocating C++ WideStrings just to convert back to UTF8 when defining properties. Change-Id: Id94db21b32ee7a96856c35a09f7550b54599ae13 Reviewed-on: https://pdfium-review.googlesource.com/2826 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-02-23Cleanup PWL_Utils.Dan Sinclair
This CL removes unused methods, moves methods to correct files and removes unused defines. Change-Id: I5087869b451e57d5325831814f0fa1c7f222cf4d Reviewed-on: https://pdfium-review.googlesource.com/2823 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Nicolás Peña <npm@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-02-22Move JS constant tables to single-byte namesTom Sepez
none are non-ascii characters, so save space. Change-Id: I5e81e8847a2ce4a5ffa3422d2103ffe453036e7c Reviewed-on: https://pdfium-review.googlesource.com/2819 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-02-22Convert JS property tables to single-byte.Tom Sepez
Change-Id: I4daec9e05a63c55caa01402a594c3553073c439e Reviewed-on: https://pdfium-review.googlesource.com/2818 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-02-22Convert native method names to single-byte.Tom Sepez
There are no non-ascii characters, so save space. Change-Id: Ib9efb9386b6fc83bf3bb1810c791aadeeeebc259 Reviewed-on: https://pdfium-review.googlesource.com/2817 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-02-21Avoid some widestring to bytestring conversions in fxjs.Tom Sepez
None of the names have non-ascii characters. Change-Id: I83a52d6276edf2f442fca33221f38f6a53c3ffe3 Reviewed-on: https://pdfium-review.googlesource.com/2816 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-02-21Replace JS_IMPLEMENT_COLORPROP with helper function.Tom Sepez
Change-Id: Ifd2aa2de9a7a57bc2aa4aa49e5400467621a7851 Reviewed-on: https://pdfium-review.googlesource.com/2794 Commit-Queue: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-02-21Remove some JS_Define macroschromium/3020Tom Sepez
Attempt at clarity. Change-Id: Ie37890888e1ec6e07cd10c68066b90f854fe6038 Reviewed-on: https://pdfium-review.googlesource.com/2719 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-02-21Pass CJS_Runtime to JS callbacks.Tom Sepez
This is much more convenient, since only a fraction of them need an IJS_EventContext, which can be obtained from the CJS_Runtime. Make GetCurrentEventContext() specific to CJS_Runtime, and return the concrete type. This saves a lot of casting. Change-Id: If79a3bcbf44de513f3caace153099234cc313d47 Reviewed-on: https://pdfium-review.googlesource.com/2793 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-02-16Rename IJS_Context to IJS_EventContext.Tom Sepez
Prevents confusion with v8::Context, which is wrapped by a different IJS_ class. Change-Id: Iff75809e65015c0f810294de1f0d8ecf963150a3 Reviewed-on: https://pdfium-review.googlesource.com/2751 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-02-13Clean up CPDF_TextObject a bitNicolas Pena
Modernizing CPDF_TextObject a little bit, in preparation for the addition of APIs for adding text to PDFs. m_pCharCodes, m_pCharPos are now vectors, this caused some propagation to other classes. Also m_Pos is now a point. Note that GetItemInfo is being changed in another CL, so did minimal changes there. Change-Id: I6e5f19b5d45872e3e714a7cb587c81c92e640ea3 Reviewed-on: https://pdfium-review.googlesource.com/2614 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-02-13Use container with stable iterator for m_Icons.Tom Sepez
The container may grow while it is being traversed in JS. BUG=691371 Change-Id: I73ee536458697267c69e6c3ada96e28546d11a4e Reviewed-on: https://pdfium-review.googlesource.com/2690 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2017-01-18Tidy FXJS_V8, backfill tests.chromium/2986tsepez
Move checks performed as part of JS_Value's object and array handling back into FXJS, to ease removal of JS_Value in the future. Remove some convenience routines in FXJS for objects, to shrink API to be covered during testing. Change some naming (number => double, string => widestring) to make it clearer when there is a C++ type involved. BUG= Review-Url: https://codereview.chromium.org/2637503002
2017-01-12Don't put timers with ID == 0 into the global timer map.tsepez
A return of ID == 0 from the embedder means the timer was not created (see public/fpdf_formfill.h), although few embedders actually conform to this convention. Firing a timer with ID == 0 will thus do nothing since there can't be such a timer in the map. BUG=679649 Review-Url: https://codereview.chromium.org/2626863003
2017-01-12Custom toString() methods may delete annots.tsepez
In this case, we observe the destruction of the object, but have unfortunately saved a pointer to it in a local variable. BUG=679643 Review-Url: https://codereview.chromium.org/2628233002
2017-01-12Remove unused CJS_Object::ExitInstance() methodtsepez
All the work happens in the virtual dtors like it should. Review-Url: https://codereview.chromium.org/2628843003
2017-01-11Use observed pointers in CPDFSDK_AnnotIterator.chromium/2979tsepez
Rename to CPDFSDK_AnnotIteration, as it is now an ordered set of annots, and not the iterator itself. Review-Url: https://codereview.chromium.org/2626073005
2017-01-11Annotation deleted while retrieving it in JStsepez
Widgets as returned from GetWidgets() can pop out of existence unexpectedly, so always return observed pointers. This extends the same pattern used elsewhere in the file to all occurrences. BUG=679642 Review-Url: https://codereview.chromium.org/2624933002
2016-12-14Verify precision length before converting to string.dsinclair
This CL updates the CalculateString method to make sure the number of digits of precision is valid before doing the stringstream conversion. BUG=chromium:673336 Review-Url: https://codereview.chromium.org/2572543004
2016-11-21Fixup lint flags.Dan Sinclair
The -build/include setting was masking out build/include_what_you_use. This CL restores them, fixes any build errors, and adds NOLINT as needed. As well, the runtime/explicit and runtime/printf flags are aslo enabled and NOLINT'd. lint cleanups Change-Id: Ib013b3eb29c8d0e48cad74c5df9028684130719f Reviewed-on: https://pdfium-review.googlesource.com/2030 Reviewed-by: Tom Sepez <tsepez@chromium.org>
2016-11-18Make CPDF_Dictionary use unique pointers.chromium/2926tsepez
Some changes were required to match underlying ctors as invoked by the templated methods. Many release() calls go away, a few WrapUniques() are introduced to avoid going deeper into other code. Review-Url: https://codereview.chromium.org/2510223002
2016-11-15Replace fcvt with std::stringstream in AFNumber_Formatnpm
On Mac, fcvt is returning an empty string when ndigit is 0. This causes the field to be replaced with "0" when applying AFNumber_Format. BUG=chromium:113910 Review-Url: https://codereview.chromium.org/2500963006
2016-11-04Revert: Only create widgets if really neededdsinclair
This CL reverts ef523dd36aea991084b8b934df846014a5c09c6f which causes issues with syncing of form fields over pages. The initial bug had follow on fixes which seem to have rendered this fix un-needed. BUG=chromium:632709, chromium:661294 Review-Url: https://codereview.chromium.org/2473103003
2016-11-02Remove FX_BOOL from fpdfsdk.tsepez
Review-Url: https://codereview.chromium.org/2453683011
2016-11-02Rename CPDFXFA_Document to CPDFXFA_Contextdsinclair
The CPDFXFA_Document class isn't a document, it contains documents. Renamed to make the purpose a bit clearer. Review-Url: https://codereview.chromium.org/2469813004
2016-11-02Merge CPDFXFA_App into CPDFXFA_Document.dsinclair
This Cl moves the CPDFXFA_App code into CPDFXFA_Document. Review-Url: https://codereview.chromium.org/2424993002
2016-11-01Reland: Make the CPDFXFA_App non-globalchromium/2907dsinclair
This reverts commit a282c7380f3964de41ea93c9980b12c4513d3473. This CL changes CPDFXFA_App from a global object to a child of the CPDFXFA_Document objects. BUG=pdfium:623 Review-Url: https://codereview.chromium.org/2421603002
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