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2017-09-19Setting focus on a widget may destroy the widgetDan Sinclair
When a widget has focus set, this can trigger an Invalidation call which can trigger a page and annotation reload. This reload can destroy the current widget we're handling. This CL adds ObservedPtrs as needed so we can make sure the widgets are still alive after we've done the Invalidation. Bug: chromium:765921 Change-Id: I51cd24aa1ebd96abe9478efef5130a4e568dac1a Reviewed-on: https://pdfium-review.googlesource.com/14290 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-09-19Remove unused methods and field in CFFL_FormFiller.Henrique Nakashima
Change-Id: Ice5ef31af6e32b6a02072e2a4445b19d4f801d3c Reviewed-on: https://pdfium-review.googlesource.com/14330 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2017-09-18Convert string class namesRyan Harrison
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>
2017-09-15Use unsigned types for app age, value age in widgets.chromium/3218chromium/3217Tom Sepez
Then if they roll over, it doesn't matter, since we only check for change. And then we can pull a silly check. Then remove some no-op calls where we didn't use the result. Change-Id: I35ba470b42fb8c32a6984999e0311b21729791ca Reviewed-on: https://pdfium-review.googlesource.com/14210 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2017-09-15Introduce CPWL_Wnd::PrivateData class.Tom Sepez
First step in passing ownership of this memory to the CPWL_Wnd. In turn, nest two other classes that also require PrivateData to satisfy nesting rules. Move one stray #define to the appropriate file while at it. Change-Id: I565934565421f5843a3b792b3bdc21b5e8839eb8 Reviewed-on: https://pdfium-review.googlesource.com/14170 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2017-09-15Move CPWL_CREATPARAM to CPWL_Wnd::CreateParamsTom Sepez
This nesting makes so much more sense when I read the code. Fix member naming for this in CPWL_Wnd. Pass in/out CreateParams arg as pointer. Kill Reset() method, only called during destroy and nothing needs explicit cleanup. Change-Id: If50e403e11c131e7656da09c0cb36866223d64c6 Reviewed-on: https://pdfium-review.googlesource.com/14070 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2017-09-15Add ObservedPtrs to KillFocus pathRyan Harrison
This is to prevent use after free issues due to these calls causing reloads of content that have the side of effect of destroying windows. BUG=chromium:760455 Change-Id: I3f3947be8b32964783abf5577a24ba6a713b3476 Reviewed-on: https://pdfium-review.googlesource.com/14150 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-09-15Add public method FPDFPath_CountPoint to get # of points of a path object.Miklos Vajna
It was already possible to get the fill color, this exposes the number of points. Naming attempts to be consistent with existing FPDFPage_CountObject(). Change-Id: I79e8dd9f0c077de84ce9017a01d239e48e58174a Reviewed-on: https://pdfium-review.googlesource.com/13592 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-09-15Make static const char* arrays more const.Lei Zhang
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>
2017-09-15OnBeforeKeystroke may invalidate the widget's window.Tom Sepez
And along with it any data that the window may have been carrying. Tidy some return codes while we're at it. Bug: 765384 Change-Id: Id16ec5f82b3d9273ba8f2edb1e4645a9145df4f6 Reviewed-on: https://pdfium-review.googlesource.com/14050 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2017-09-14Checkbox event fixed when triggered by a keyboard entryClaudio DeSouza
The event was changed to behave in the same way as when reacting to a mouse click event. R=thestig@chromium.org Bug: pdfium:897 Change-Id: I14366d69ad309e00cb1dd78672870d1ee95007a9 Reviewed-on: https://pdfium-review.googlesource.com/13990 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-09-14Add more FPDF_GetMetaText() tests.Lei Zhang
Change-Id: I27d26691a3b7bd8593581483d4a21729040fbe95 Reviewed-on: https://pdfium-review.googlesource.com/13910 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-09-14Add tests for FPDF_GetMetaText().Lei Zhang
Change-Id: I8d2eaea9696b6ac4ea7ba5cb323bf74546c31d46 Reviewed-on: https://pdfium-review.googlesource.com/13890 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-09-14Fix CPDFPathObjectFromFPDFPageObject() implementation.Lei Zhang
It should make sure the FPDF_PAGEOJECT passed in is actually a path. Change-Id: I89d0626dc350fd2f65b08282b276a4de2c3a7398 Reviewed-on: https://pdfium-review.googlesource.com/13710 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Nicolás Peña <npm@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-09-13Change behaviour of FPDF_RenderPageBitmapWithMatrixNicolas Pena
This CL changes the behavior of FPDF_RenderPageBitmapWithMatrix so it transforms the bitmap. Before, the page would be transformed and the assumption was that it would be drawn on a bitmap with the same dimensions as the original page. This does not work well because a transformation generally changes the dimensions of the page. The rectangles test is modified to include small rectangles in the corner of the page, so that it's clear that the whole original page is being displayed. Bug: pdfium:849 Change-Id: Ie89f959a1605fea59a15d239ca871ccd939ec92b Reviewed-on: https://pdfium-review.googlesource.com/13510 Commit-Queue: Nicolás Peña <npm@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-09-13Add readme files to some directories.chromium/3215Henrique Nakashima
Change-Id: I2a750c8e46b68dc4870e2dadd2ed3429008e1562 Reviewed-on: https://pdfium-review.googlesource.com/13551 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2017-09-12Remove ASSERT that was added to understand what was occuringRyan Harrison
thestig provided a test PDF that reproduced the issue that is being tested for in the ASSERT. I have spent some time going throught the related code, and the condition in the assert is actually standard behaviour, so shouldn't be asserted. The following code gracefully handles the case of more text then requested being returned. BUG=chromium:763369 Change-Id: I5bc121977169deead52fc5dd2503376b1b62d83f Reviewed-on: https://pdfium-review.googlesource.com/13750 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-09-11Add guard against reading more then expected from the pageRyan Harrison
This really shouldn't ever happen, but there used to be this guard in this code and I am getting reports of crashes after it was removed. I have added an assert, so hopefully if it is actually occuring, then we might get a reproduction case based on a debug build crash. BUG=chromium:763369 Change-Id: Ifaebfbcb0413a1d7777222ba838aaee234f94ae3 Reviewed-on: https://pdfium-review.googlesource.com/13691 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-09-06Convert FX_STRSIZE int->size_tRyan Harrison
Change the underlying type for FX_STRSIZE to size_t from int. This will make the value unsigned and thus all values in the range of the type will be valid. This allows for the final remove of negative length strings, but also introduces a some casting and functional errors, since many parts of the code base assume that FX_STRSIZE is int or another signed type. This also CL fixes these errors. BUG=pdfium:828 Change-Id: I231dca59e96fc9330cbb099eecbdfc41fcf86f5b Reviewed-on: https://pdfium-review.googlesource.com/11830 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-09-05Leave space for null characters when getting textRyan Harrison
The conversion from WideString to ByeString adds in null characters at the end, so we need to account for these when selecting the range of text to initially extract. BUG=chromium:761770,chromium:761626 Change-Id: Ib8f863e997ebccaaf882e0beb29733f27a18826d Reviewed-on: https://pdfium-review.googlesource.com/13110 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@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>
2017-09-01Adjust 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>
2017-08-31Make FPDF_GetText stricter on inputsRyan Harrison
The current implementation of this function is problematic. It will attempt to memcpy to NULL. It will accept obviously wrong inputs like a negative start index. It will also accept -1 for the count, which in theory is the amount of space the buffer has allocated to it, so doesn't make sense, but instead an internal call will calculate the number of characters to get if the count is -1. This will them lead to the function attempting to call Left(-1) on a string, which is invalid. Ths documentation for this function mentions none of this behaviour, so I am removing it, since it is inconsistent/bad. The implementation should now more strictly meet defined API. BUG=pdfium:828 Change-Id: I18afdb33e12d77c10d856b4bacd615481979c484 Reviewed-on: https://pdfium-review.googlesource.com/12733 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-31Change FPDFImageObj_GetImageFilter() to return byte strings.Lei Zhang
Since the returned data is a key, it should be a byte string and not a wide string. Change-Id: I9243d88586ea5b13c4b6556479d17316bf07e32e Reviewed-on: https://pdfium-review.googlesource.com/12710 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-08-31Properly handle \n, \r, \r\n when inserting textRyan Harrison
BUG=pdfium:877 Change-Id: I6aa3e53057c27700c2d3c0c1692fa86ae9b3a03c Reviewed-on: https://pdfium-review.googlesource.com/12711 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@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>
2017-08-31Change APIs to use FPDF_BYTESTRING for keys.Lei Zhang
Change-Id: I865a9eeb197ea2c1f5480cae32d975909495676d Reviewed-on: https://pdfium-review.googlesource.com/12551 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-08-31Implement FORM_OnFocus() API.Lei Zhang
Given a point, if there is an annotation at the point, give if focus if it is not focus already. If there is no annotation at the point, then remove the focus from the focused annotation. BUG=chromium:754594 Change-Id: Iec3070472bbbfbad9d86e517f25da560f82efd4e Reviewed-on: https://pdfium-review.googlesource.com/12530 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@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>
2017-08-31Split 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>
2017-08-30Move 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>
2017-08-30Split 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>
2017-08-30Convert 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>
2017-08-29Reduce rounding errors when Invalidating rects.Lei Zhang
Instead of using CFX_FloatRect::ToFxRect(), which always rounds down, use GetOuterRect() which correctly rounds up / down depending on the side of the rectangle. Change-Id: I7abd3a65e8c0467ed4303292f26a72737a5d553b Reviewed-on: https://pdfium-review.googlesource.com/12312 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-29Convert some form fill tests to use CFX_PointF coordinates.Lei Zhang
Add helper function for commonly used coordinates and give coordinates used in tests semantic meaning. Also add more sanity checks to make sure the commonly used coordinates pass the FPDFPage_HasFormFieldAtPoint() hit test. Change-Id: If116ed5323b49bdbcbd4d857b5184f9fcd4eb908 Reviewed-on: https://pdfium-review.googlesource.com/12070 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-28Remove parameter to TypeTextIntoTextField().Lei Zhang
FPDFFormFillInteractiveEmbeddertest subclasses know the type to expect. Change-Id: I92c5fc75864330f5b1cbd392b9565b4323ce26b5 Reviewed-on: https://pdfium-review.googlesource.com/12052 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-08-28Put some form tests in FPDFFormFillEmbeddertest subclasses.Lei Zhang
This removes a lot of repeated code that can go in SetUp()/TearDown(). This also makes the assumption that there is only 1 page used for testing, so methods in the tests can refer to the page as a member variable, rather than having a method parameter. Change-Id: Ia77633ebe22f1184d2ee2fc78e88e7d33f48a86e Reviewed-on: https://pdfium-review.googlesource.com/12051 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-08-28Implicitly create CFX_WideString() in form tests.Lei Zhang
Change-Id: I042c5e843dcf535b2d6676d41c0037e87c59c219 Reviewed-on: https://pdfium-review.googlesource.com/12050 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-08-28Added FPDFAnnot_GetAnnotIndex()Jane Liu
Added FPDFAnnot_GetAnnotIndex() to get the index of an annotation. This is useful if linked annotations are renedered together - then we need to know which ones in the annotation list we need to skip. Bug=pdfium:863,pdfium:737 Change-Id: I53482a15e0fd9a896b348b64d68e99f9c21da9f9 Reviewed-on: https://pdfium-review.googlesource.com/11970 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@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>
2017-08-28Pass more const CFX_Matrix* params in CFFL_FormFiller.Lei Zhang
Remove some useless overrides. Change-Id: Icf4d8bfcca6358ef3f59f768c2d60759d4b05243 Reviewed-on: https://pdfium-review.googlesource.com/10854 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: dsinclair <dsinclair@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>
2017-08-28Add a global font loader in XFA testsDan Sinclair
This CL creates a global font loader for use in XFA tests. This is needed because the CFGAS_FontMangaer takes a linearly increasing amount of time to load fonts each time it's loaded. This can get excessively slow for test suites which run a lot of tests. Change-Id: Ie389844b56598ce414f4f761654fa4ed465955fd Reviewed-on: https://pdfium-review.googlesource.com/12090 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-23Fixed ASan crash when unloading page with CFFL_ListBox.Henrique Nakashima
The crash was caused by a dangling pointer in CPWL_ListCtrl to the font map owned by CFF_TextObject. The order of events was: 1. ~CFFL_ListBox runs and calls parent destructor ~CFFL_TextObject. 2. ~CFFL_TextObject runs and deletes its member m_pFontMap. m_FontMap was referenced by CPWL_ListCtrl which is now dangling. 3. ~CFFL_TextObject calls parent destructor ~CFFL_FormFiller. 4. ~CFFL_FormFiller calls DestroyWindows(). 5. CFFL_FormFiller::DestroyWindows() deletes widgets, among them CPWL_ListBox. 6. ~CPWL_ListBox deletes its member CPWL_ListCtrl. 7. ~CPWL_ListCtrl sees a dangling pointer to the map and crashes. Making the DestroyWindows() call earlier in the destructor of CFFL_TextObject, we execute steps 5-7 before freeing m_pFontMap. An extra DestroyWindows() is still made in ~CFFL_FormFiller, but it is then non-op if the derived CFFL_TextObject already called it. Bug: chromium:757506 Change-Id: Ib8dce04f1dd0bcf8e10701f6cf7ea500bfb5ba84 Reviewed-on: https://pdfium-review.googlesource.com/11651 Commit-Queue: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-23Convert string Find methods to return an OptionalRyan Harrison
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>
2017-08-22Corrected the error setting after calling FPDF_LoadDocument()Jane Liu
Currently, if FPDF_LoadDocument() is called on a nonexistent file, the returned FPDF_DOCUMENT will be null, but FPDF_GetLastError() will return an error of FPDF_ERR_SUCCESS, i.e. no error. This CL corrects this behavior by updating the error to be FPDF_ERR_FILE when the file doesn't exist. Bug=pdfium:452 Change-Id: I3c3ec3a64e049636ddfb2ba5cb5f2745a0e19b6b Reviewed-on: https://pdfium-review.googlesource.com/11650 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Jane Liu <janeliulwq@google.com>
2017-08-22Simplifying state of CPDFSDK_PageView.Henrique Nakashima
Change-Id: Ic0849cce80e1797637fd875bdedd7cc560b98f22 Reviewed-on: https://pdfium-review.googlesource.com/11210 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2017-08-22Added FPDFAnnot_GetLinkedAnnot()Jane Liu
Added FPDFAnnot_GetLinkedAnnot() to retrieve annotations linked to other annotations through a specified key. Bug=pdfium:863,pdfium:737 Change-Id: If81f41178fb4c40f6561bd392215c709722c4000 Reviewed-on: https://pdfium-review.googlesource.com/11491 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Jane Liu <janeliulwq@google.com>
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