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2017-08-31Clean up of typing in lexer codeRyan Harrison
BUG=pdfium:813 Change-Id: I4c638857bf114327dbc0344cc6d231b897f0d001 Reviewed-on: https://pdfium-review.googlesource.com/11971 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org> Reviewed-by: Tom Sepez <tsepez@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>
2017-08-30Add 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_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>
2017-08-30Split 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>
2017-08-30Rebuild CFDE_TextEditEngine.Dan Sinclair
This CL rebuilds the text edit engine in a simpler fashion. Instead of depending on multiple pages, paragraphs and buffer fields there is a single text edit engine which contains a gap buffer. This makes the code easier to understand and follow. Change-Id: I10fe85603fa9ed15a647eaac2d931f113cd0c7b0 Reviewed-on: https://pdfium-review.googlesource.com/11990 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Reviewed-by: Ryan Harrison <rharrison@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>
2017-08-29Remove an unused CXFA_FFDoc method.chromium/3200Lei Zhang
Change-Id: If2a8e608498c505440405e7eff675969ac4b195a Reviewed-on: https://pdfium-review.googlesource.com/12330 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-08-29Fix incorrectly guarded lexer advancement in FormCalc parserRyan Harrison
BUG=chromium:752501 Change-Id: Ie9943cd80a4afa73ad9393c8bcd2aa2656a9d932 Reviewed-on: https://pdfium-review.googlesource.com/12290 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-23Reduce FM2JS parser depth limit to avoid memory exhaustionRyan Harrison
The current limit of 2000 is still causing occassional ASAN issues, reducing to 1250. BUG=chromium:757711 Change-Id: Idb07f97b01230afabcceaa23b29495432193ec64 Reviewed-on: https://pdfium-review.googlesource.com/11750 Commit-Queue: dsinclair <dsinclair@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>
2017-08-22Converted CFX_Matrix::TransformRect() to take in constsJane Liu
Currently, all three of CFX_Matrix::TransformRect() take in rect values and modify them in place. This CL converts them to take in constant values and return the transformed values instead, and fixes all the call sites. Bug=pdfium:874 Change-Id: I9c274df3b14e9d88c100ba0530068e06e8fec32b Reviewed-on: https://pdfium-review.googlesource.com/11550 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Jane Liu <janeliulwq@google.com>
2017-08-21Cleanup CFDE_TextOutDan Sinclair
This CL cleans up formatting and simplifies logic in CFDE_TextOut. Change-Id: Ib675a35da79df77854f51e86bf24e5dc90b33b06 Reviewed-on: https://pdfium-review.googlesource.com/11334 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
2017-08-17Change XFA DrawWidget() code to take its CFX_Matrix by const-ref.chromium/3192chromium/3191chromium/3190chromium/3189Lei Zhang
Change-Id: Idc9dfcafe6727c1689443ce8f9568567e55d51c8 Reviewed-on: https://pdfium-review.googlesource.com/11114 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-17Change CXFA_FFWidget::RenderWidget() to take a const CFX_Matrix&.Lei Zhang
Change some related code to take a const CFX_Matrix* since it is not immediately obvious if the matrix can be made into a const-ref. Change-Id: I15c840222b575cc479b1f6f0b6d3b3c0e50d5515 Reviewed-on: https://pdfium-review.googlesource.com/11113 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-17Remove default parameters from CXFA_FFWidget methods.Lei Zhang
Also remove an unused method and move a bunch of internal methods into an anonymous namespace. Change-Id: Ic7b4a975852cc2a7384bf3f681b953a5bf7e7d29 Reviewed-on: https://pdfium-review.googlesource.com/11112 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-17Remove default parameters in CXFA_Graphics methods.Lei Zhang
Constify parameters as well. Change-Id: I7e87b11cc73b133b04d49ceed1c46f5afcb89d1a Reviewed-on: https://pdfium-review.googlesource.com/11111 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-17Remove default argument for CXFA_Graphics::SetLineWidth().Lei Zhang
Change-Id: I6ea062bf5def0bc5fea7c52323198209dcf4c3e9 Reviewed-on: https://pdfium-review.googlesource.com/11110 Commit-Queue: dsinclair <dsinclair@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2017-08-16Tidy CXFA_Color class and argument passing.Tom Sepez
Remove friendship. De-virtualize. Nest enum inside class. Make copy-assignable and pass by const ref. Make pack better on 64-bits. Change-Id: I1ae3b6d03756fa5780e9023795db6648e8b8299a Reviewed-on: https://pdfium-review.googlesource.com/11290 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Tom Sepez <tsepez@chromium.org>
2017-08-16Add parse depth limit to FormCalc parserRyan Harrison
Due to the recursive nature of the FormCalc parser, deeply nested expressions can lead to memory being exhausted. This check is being added to have the parser exit early instead of running out of memory. This should reduce the number of false positives about addressing issues being found by fuzzers. BUG=chromium:752433 Change-Id: I511ecfb07e32073555e1fd1658f3b8b47f1a5a91 Reviewed-on: https://pdfium-review.googlesource.com/11170 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
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>
2017-08-15Add 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 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>
2017-08-14Cleanup 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 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>
2017-08-09Remove 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>
2017-08-01Replace 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>
2017-07-28Convert 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>
2017-07-27Remove 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>
2017-07-27Removed 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>
2017-07-19Rename 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>
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