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2017-08-16Remove CFWL_WidgetMgrDelegateDan Sinclair
This class is actually an accidentally renamed interface. There is only one concrete class so fold the interface back into the concrete class. Change-Id: If921a34595fad85750389f071ffdc9a5eae09f8e Reviewed-on: https://pdfium-review.googlesource.com/11150 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-15Make GetChar & Clone const for IFX_CharIterRyan Harrison
BUG=pdfium:864 Change-Id: Iab03e1977c859f150452825650afed3520024cca Reviewed-on: https://pdfium-review.googlesource.com/11030 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-08-15Hide the undo/redo record classes inside the engineDan Sinclair
This CL moves the implementation of the records which handle undo/redo in the text edit engine into an anonymous namespace in the engine. Change-Id: I299b9738b72e3eccbbec972fd3ea956c491859fa Reviewed-on: https://pdfium-review.googlesource.com/11010 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-15Add checks on length of string before accessing elements of stringRyan Harrison
BUG=chromium:754982 Change-Id: I41da6828c714d3ed12fe796ae7e228d87b168962 Reviewed-on: https://pdfium-review.googlesource.com/10890 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-15Remove GetAt from string classesRyan Harrison
This method duplicates the behaviour of the const [] operator and doesn't offer any additional safety. Folding them into one implementation. SetAt is retained, since implementing the non-const [] operator to replace SetAt has potential performance concerns. Specifically many non-obvious cases of reading an element using [] will cause a realloc & copy. BUG=pdfium:860 Change-Id: I3ef5e5e5a15376f040256b646eb0d90636e24b67 Reviewed-on: https://pdfium-review.googlesource.com/10870 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-15Remove default params from xfa/fde code.Dan Sinclair
This CL removes the default params from methods in xfa/fde. Change-Id: Ide93a51430c62753656b9e9c0bcd842d8179aa3c Reviewed-on: https://pdfium-review.googlesource.com/10952 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-15Remove CFDE_RenderDeviceDan Sinclair
This CL removes CFDE_RenderDevice. For most of the proxy'd calls we call the CFX_RenderDevice directly now. To set the clip rect an overload was added to accept a CFX_RectF and handle the casting to FX_RECT. The one needed method, DrawString, is move to a static on CFDE_TextOut. Change-Id: I95ea7e1fa1fd4702074b797c06423c9c9cb51db9 Reviewed-on: https://pdfium-review.googlesource.com/10951 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-14Merge CFDE_RenderContext into CFWL_EditDan Sinclair
This CL removes CFDE_RenderContext and moves the ::Render method to be ::RenderText on the CFWL_Edit class which was the only caller. Change-Id: Ic940a3f0d10cfce169f5e491de90803fc8a7940d Reviewed-on: https://pdfium-review.googlesource.com/10950 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-14Cleaning up the visual set iteratorDan Sinclair
This CL starts cleaning up the visual set iterator code. Change-Id: I643dc9edeeb0c7ff06ccd34a1977f811675413d8 Reviewed-on: https://pdfium-review.googlesource.com/10615 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-14Remove FDE_VISUALOBJ_CanvasDan Sinclair
No code sets the visual object type of Canvas. Remove. Change-Id: I213bf7bb93adbb08e949807f53a9e94579d59c1d Reviewed-on: https://pdfium-review.googlesource.com/10614 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-08-14Cleanup more fde definesDan Sinclair
This CL cleans up more defines and shuffles some fde code around to better locations. Change-Id: I6af0e991d9fa489ca45d1d0f9d041657beef3b7e Reviewed-on: https://pdfium-review.googlesource.com/10613 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-14Cleanup CFDE_TextOut methodsDan Sinclair
This CL removes unused CFDE_TextOut methods and merges some single use methods. Change-Id: Ie625ad737aeb1dc163b03f15f4774744062a9491 Reviewed-on: https://pdfium-review.googlesource.com/10570 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-08-14Cleanup FDE_TTO{STYLE|ALIGNMENT} defines.Dan Sinclair
This CL replaceds FDE_TTOSTYLE defines with a FDE_TextStyle struct which is used to set the needed flags. The FDE_TTOALIGNMENT defines are replaced with an enum class and unused members have been removed. Change-Id: Ib0e2818a82e7f1961de57f8d15703477f8235a03 Reviewed-on: https://pdfium-review.googlesource.com/10530 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-11Add checks of index operations on string classesRyan Harrison
Specifically the index parameter passed in to GetAt(), SetAt() and operator[] are now being tested to be in bounds. BUG=chromium:752480, pdfium:828 Change-Id: I9e94d58c98a8eaaaae53cd0e3ffe2123ea17d8c4 Reviewed-on: https://pdfium-review.googlesource.com/10651 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-10Remove unused FDE_TTOSTYLE_ flagsDan Sinclair
This CL removes the unused FDE_TTOSTYLE_ flags and their supporting code. Change-Id: Ib5ff1af77ceab5a526a845c1fc316a3742ab810a Reviewed-on: https://pdfium-review.googlesource.com/10455 Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-10Remove CFDE_PathDan Sinclair
This CL removes CFDE_Path. There is only one method, AddLine which is required, the rest can be removed. That method is moved to CFX_PathData which is what CFDE_Path is appending to anyway. Change-Id: If50af8cf856a9f7379791fe1999174db5fd13e38 Reviewed-on: https://pdfium-review.googlesource.com/10454 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-10Remove default params in CFDE_RenderDeviceDan Sinclair
This CL removes the two default nullptr values in CFDE_RenderDevice. Change-Id: I32e7cf5f45fcf1fbddd0c9070024647ac06203c5 Reviewed-on: https://pdfium-review.googlesource.com/10453 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-09Remove unused code from CFDE_RenderDevice.Dan Sinclair
Unused code, remove. Change-Id: Icbe53982f932eded350fc67e8022549178b92344 Reviewed-on: https://pdfium-review.googlesource.com/10452 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-09Remove CFDE_{Pen|Brush} classesDan Sinclair
These classes just hold a color value. Instead of creating the class to pass the color we just pass the colors. Change-Id: I7f65ca4100bfbdcb02171c1e7e46150508e338f4 Reviewed-on: https://pdfium-review.googlesource.com/10451 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-08Move CSS code to coreDan Sinclair
The xfa/fde/css code has no other links into xfa/. This CL moves the css code to core/fxcrt/css and sets to only build when pdf_enable_xfa is enabled. Change-Id: Iefd208e1f83a28b80b567c574e841e87bce310be Reviewed-on: https://pdfium-review.googlesource.com/9251 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-02Rewrite how string Insert() methods handle out of bound indicesRyan Harrison
The existing behaviour was to clamp the provided index to the valid bounds. This would lead to programming errors being hidden, since inserting would still do something even if the index calculation was wrong. The behaviour of these methods has been changed to instead early return when this occurs, returning the old length value. The caller can check if the call to Insert actually did anything by comparing the returned value to the length before calling insert. All of the existing calls to Insert have been tested by running all of the tests with asserts in the Insert method to check the index is in bounds. Additionally the call sites have been manually inspected. The majority of them are of the form Insert(0, foo) and the rest tend to be in a loop advancing from 0 to length. Convenience methods InsertAtFront/InsertAtBack have been added to handle calling Insert when the intent is for the character to be added to the beginning or end of the string. Existing call sites to Insert that do this have been converted. This work was originally being performed to check if there would be any issues in these methods with making FX_STRSIZE unsigned. BUG=pdfium:828 Change-Id: I60cee5ad45338aa8ed46569de7bcc78a76db18f7 Reviewed-on: https://pdfium-review.googlesource.com/9870 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-08-01Encapsulate some CFX_Char members.Lei Zhang
Change-Id: Iab34de5858ae06582023be220ef7dd0d1d0a91c9 Reviewed-on: https://pdfium-review.googlesource.com/9530 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Nicolás Peña <npm@chromium.org>
2017-08-01Remove support for negative params to ReleaseBuffer()Ryan Harrison
This CL removes the default param value for this method, which was negative. It also adds in a method to get buffer lengths, so that the callsites can explictly passing in the length of the buffer if they were using the default value previously. BUG=pdfium:828 Change-Id: I0170771ee81970b8b601631015ab3e6e39fea8ea Reviewed-on: https://pdfium-review.googlesource.com/9790 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-08-01Replace raw value for constant error value in string operationsRyan Harrison
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>
2017-07-31Remove null derefence case caught by fuzzersRyan Harrison
This change also removes some variable shadowing that was going on here. BUG=chromium:750013 Change-Id: I7314166af3ecd55ea5e1105afbe171443b1b22ae Reviewed-on: https://pdfium-review.googlesource.com/9630 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-07-28Use FX_GetUnicodeProperties() in more places.chromium/3173chromium/3172chromium/3171Lei Zhang
Instead of accessing the raw kTextLayoutCodeProperties data. Change-Id: Ie39cf5c098e1564ae2f18d76b234af42f24db4ca Reviewed-on: https://pdfium-review.googlesource.com/9451 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Nicolás Peña <npm@chromium.org>
2017-07-28Remove unused param from CFX_TxtBreak::AppendChar_PageLoad().Lei Zhang
Change-Id: Ie4bf8100aca9d22e07406a9479c9ff891c953fe8 Reviewed-on: https://pdfium-review.googlesource.com/9450 Reviewed-by: Nicolás Peña <npm@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-07-28Convert calls to Mid() to Left() or Right() if possibleRyan Harrison
The various string/byte classes support Mid(), Left(), and Right() for extracting substrings. Mid() can handle all possible cases, but Left() and Right() are useful for common cases and more explicit about what is going on. Calls like Mid(offset, length - offset) can be converted to Right(length - offset). Calls like Mid(0, length) can be converted to Left(length). If the substring being extracted does not extend all the way to one of the edges of the string, then Mid() still needs to be used. BUG=pdfium:828 Change-Id: I2ec46ad3d71aac0f7b513e103c69cbe8c854cf62 Reviewed-on: https://pdfium-review.googlesource.com/9510 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-07-27Simplify FX_GetMirrorChar() code.Lei Zhang
Change-Id: I43ec0d4a3b60d51c59ba5a540dfe24803e725089 Reviewed-on: https://pdfium-review.googlesource.com/9170 Reviewed-by: Nicolás Peña <npm@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-07-27Remove single param Mid() method from string classesRyan Harrison
This support is being removed from CFX_ByteString, CFX_ByteStringC, CFX_WideString, and CFX_WideStringC. This standardizes all of these classes to only have one Mid method that takes in 2 params, offset and count. Count now must be positive. The old behaviour of calculating the length for the user if -1 is passed in for the count has been removed. This work is in preperation for converting these classes to not accept negative lengths anywhere and thus make the underlying size type unsigned. BUG=pdfium:828 Change-Id: I5f15e7b7b00b264231817f143e2da88ee6f69e7b Reviewed-on: https://pdfium-review.googlesource.com/9430 Reviewed-by: (OOO Jul 28 - Aug 8) dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-07-27Move CXFA_FMParse to CFXA_FMParserRyan Harrison
Minor nit I had with this code and want to fix. Bug: Change-Id: I2494667d580bf982a4359153123d9e8afb75e349 Reviewed-on: https://pdfium-review.googlesource.com/9370 Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: (OOO Jul 28 - Aug 8) dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-07-27Remove CFX_ByteTextBuf from cxfa_fm2jscontext.cppHenrique Nakashima
Bug: pdfium:731 Change-Id: I3b7e4e88d44afcb8590ce4b7e7de7c0eccdc623a Reviewed-on: https://pdfium-review.googlesource.com/7350 Reviewed-by: (OOO Jul 28 - Aug 8) dsinclair <dsinclair@chromium.org> Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
2017-07-27Remove 0 from the valid FormCalc charactersRyan Harrison
0 is not actually in the spec for characters and was only included due quirks in how the lexing code was written. Due to changes in the lexer, it is no longer needed and a potential source of errors. Bug: Change-Id: I6fbba027e40aaa286ed4c89a6c569d26e3d4cd8b Reviewed-on: https://pdfium-review.googlesource.com/9350 Reviewed-by: (OOO Jul 28 - Aug 8) dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-07-27Refactor whitespace lexing to be explicitRyan Harrison
Removed 'case 0xf00:' to either be the character being checked or moved to a IsWhitespaceCharacter() check. BUG=pdfium:815 Change-Id: I34727a00f6d54ecf8de2f9e4eb785b3c10b6c521 Reviewed-on: https://pdfium-review.googlesource.com/9310 Reviewed-by: (OOO Jul 28 - Aug 8) dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-07-27Rewrite FMLexer to use nullptr for errorsRyan Harrison
This CL rewrites how FMLexer returns errors, instead of having a flag that gets flipped and needs to be checked, it now returns nullptr for NextToken() when an error occurs. The Lexer's behaviour has also been changed to only return nullptr once an error has occurred, instead of advancing the lexing on further calls. FMParse now checks the returned value from the lexer instead of testing the error flag on the parser object. For any operation that might cause the error state of the parser to change, i.e. consuming a token, an error check has been added. In the event this check fails the related function returns nullptr. This will cause the parse to short circuit and exit. BUG=pdfium:814 Change-Id: I669012c4732c18d13009be7cd7bf1ae682950904 Reviewed-on: https://pdfium-review.googlesource.com/8950 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: (OOO Jul 28 - Aug 8) dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-07-27Add conversion from FMTokens to stringsRyan Harrison
This is to aid with debugging, since the getting things like the type is a pain due to it being a enum. Bug: Change-Id: I89bae7103b476d7fd09ba78699367a1a413ee700 Reviewed-on: https://pdfium-review.googlesource.com/9190 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-07-27The FDE CSS code does not use the CFGAS_FontMgrDan Sinclair
The CFGAS_FontMgr is being provided to the CSS style selector in order to pas it to the RulesCollection. The RulesCollection does not use the font manager so remove the font manager from the CSS code. Change-Id: I61a4a5060053615935902cb31fbc12d9856acded Reviewed-on: https://pdfium-review.googlesource.com/9270 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-07-27Fixup includes in xfa/fde/csschromium/3169Dan Sinclair
Change-Id: I6cdb439c4bccfb3708fb855d03aa65f220e6ff48 Reviewed-on: https://pdfium-review.googlesource.com/9250 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-07-27Removed unused helper functionRyan Harrison
XFA_FM_KeywordToString is no longer used, and there are no plans to use it in the future, so should be removed. Bug: Change-Id: I44652a40f6396b25262f840c42036fb00a14aca1 Reviewed-on: https://pdfium-review.googlesource.com/9210 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-07-27Move CXFA_CSSTagProvider to inner class of CXFA_TextParserDan Sinclair
The TagProvider is only used in CXFA_TextParser. This CL moves the code to a private inner class and renames to TagProvider. Change-Id: Idd1926250fc59592cc923fde9ec6f8750cb10abf Reviewed-on: https://pdfium-review.googlesource.com/9231 Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-07-26Clean up CXFA_Measurement and callers.Lei Zhang
Change-Id: Iaa34127aaf616a0a7bdf7ccc8f8f001d34abcca1 Reviewed-on: https://pdfium-review.googlesource.com/7371 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-07-25Clean up data passing in FormCalc Lexerchromium/3167Ryan Harrison
This CL removes the pattern used in the lexer of passing the lexing member variables around as args to methods. Instead it uses the fact that they are member variables in the methods. This CL also includes renaming of variable and function names to remove unneeded details or make them more precise. BUG=pdfium:814 Change-Id: Id4c592338db9ff462835314252d39ab3b4b2b2ab Reviewed-on: https://pdfium-review.googlesource.com/8850 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-07-24Rename FMLexer methods to be more descriptiveRyan Harrison
The existing methods had either very bare passive or in some cases misleading names, so this CL changes them active names that describe what they do. This also extracts the IsKeyword method into a helper function since it is actually static. BUG=pdfium:816 Change-Id: I47a113bc9ea8d88a77822a4441266ec56e6b4cbc Reviewed-on: https://pdfium-review.googlesource.com/8730 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-07-24Remove extracting characters from inputRyan Harrison
Throughout the lexer there is use of a pattern where a character is extracted from the location currently being pointed at in the input and tests are done on this value. This is uneeded, since normally the pointer isn't being modified while the character is stored, so the pointer can be dereferenced directly. This CL also cleans ups the implementation of string extraction from the input to be easier to read, since it did depend on the character being extracted to work. The IsFooCharacter methods are also changed to take in a character instead of a pointer, since they are only testing the character value not the pointer. BUG=pdfium:814 Change-Id: I8eda01e0af59ff1f6c6e97d6fb504856c7a08a24 Reviewed-on: https://pdfium-review.googlesource.com/8690 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-07-24Move xfa/fxfa/app to xfa/fxfachromium/3166Dan Sinclair
There currently exists a weird split where some files exist in xfa/fxfa and some files exist in xfa/fxfa/app. This CL removes the app/ folder and moves all files up to the parent directory. Change-Id: I00c87851a1ebc5a7a636eb9a17b58ba3f1708a84 Reviewed-on: https://pdfium-review.googlesource.com/8810 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-07-24Remove fx_edit.hDan Sinclair
This CL moves GetPDFWordString to be a method on CFX_Edit. The FX_EDIT_ISLATINWORD define is moved into fx_edit.h. CFWL_Edit::FX_EDIT_ISLATINWORD is renamed to FxEditIsLatinWord to make less confusing with the define. Change-Id: I47d12d41447b268894a1d0376ac4b2bdb409e2df Reviewed-on: https://pdfium-review.googlesource.com/8531 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-07-19Rename StringCs c_str() to unterminated_c_str().Tom Sepez
Since there is no guarantee of termination if the StringC was extracted from a snippet of another string. Make it more obvious that things like strlen(str.unterminated_c_str()) might be a bad idea. Change-Id: I7832248ed89ebbddf5c0bcd402aac7d40ec2adc2 Reviewed-on: https://pdfium-review.googlesource.com/8170 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2017-07-19Use CFX_WideString in CPDF_NameTree functions to strip BOMchromium/3162Jane Liu
PDFium doesn't strip BOMs during parsing, but we should strip BOMs when retrieving parsed strings in CPDF_NameTree to ensure consistency and appropriate function behavior. See the bug for more info. As outlined in Bug=pdfium:593, the solution is to call GetUnicodeText() instead of GetString(). I added a GetUnicodeTextAt() function in CPDF_Array, which is symmetrical to GetUnicodeTextFor() in CPDF_Dictionary. I then changed the input variable types to CPDF_NameTree functions to be CFX_WideString instead of CFX_ByteString, and modified all the calls to them. I also added a unit test for nametree, which would fail prior to this change. Nametrees with non-unicode names are already tested by embedder tests. Bug=pdfium:820 Change-Id: Id69d7343632f83d1f5180348c0eea290f478183f Reviewed-on: https://pdfium-review.googlesource.com/8091 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Jane Liu <janeliulwq@google.com>
2017-07-18Correct lexer handling of FormCalc identifiersRyan Harrison
This makes the lexer stricter on valid characters for identifiers, and conform to the grammar in the FormCalc spec. This should remove a class of inputs that ClusterFuzz is attempting that are breaking later stages of the transpile. BUG: chromium:736234, pdfium:783, pdfium:784 Change-Id: I3987d6778a82b71d768fa751035993c0af2577ee Reviewed-on: https://pdfium-review.googlesource.com/8010 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-07-14Fixup naming of XFA graphics classesDan Sinclair
These files were originally renamed thinking they'd move with the colour class up to core/. It was decided that CPWL_Color was a better core colour class the the xfa colour so these are being renamed back to XFA based names to make it clear where they live. Change-Id: Ie89f2306be0609add29bd445e719567e7b439211 Reviewed-on: https://pdfium-review.googlesource.com/7754 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
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