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2018-05-25Reserve space for code words when creating encoder contextRyan Harrison
During encoding, the code is going to walk through every character in m_msg and determine what values need to be added to m_codewords. The ceiling on the number of characters being added to m_codewords is the length of m_msg, so reserving enought space in advance. This prevents thrash related to incrementing the string and thus resizing in a tight loop. BUG=chromium:846027 Change-Id: Icefd6955933f8068feeeee6243e430f60c50d747 Reviewed-on: https://pdfium-review.googlesource.com/32990 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2018-05-15Clean up CBC_ASCIIEncoder.Lei Zhang
Get rid of a few more fxbarcode exception codes. Change-Id: Ia9c9cdcef581174e25be8dc2fba181915dc6d729 Reviewed-on: https://pdfium-review.googlesource.com/32471 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Ryan Harrison <rharrison@chromium.org>
2018-04-23Pre-allocate more string buffers in barcode codeRyan Harrison
Another couple of examples where the slow down in the barcode code can be fixed by reserving and thus pre-allocating the buffer that backs the Widestring. Doing += in a tight loop caused reallocation thrashing. BUG=chromium:834630 Change-Id: I48a802225351bcaf992c324732fddf81639b4898 Reviewed-on: https://pdfium-review.googlesource.com/31230 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
2018-02-26Add some more missing consts.chromium/3356Tom Sepez
Get things out of the .data section. Change-Id: I375cf00186a3d5d8d10f5d147bd4b692f5db3683 Reviewed-on: https://pdfium-review.googlesource.com/27130 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: dsinclair <dsinclair@chromium.org>
2018-01-12Add jumbo build support for fxbarcode.Lei Zhang
BUG=pdfium:964 Change-Id: Ic306a374bc9b710e2ac043eebe43504e5bd75926 Reviewed-on: https://pdfium-review.googlesource.com/22870 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-09-27Remove FX_STRSIZE and replace with size_tRyan Harrison
BUG=pdfium:828 Change-Id: I5c40237433ebabaeabdb43aec9cdf783e41dfe16 Reviewed-on: https://pdfium-review.googlesource.com/13230 Reviewed-by: dsinclair <dsinclair@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
2017-09-21Move CFX_UnownedPtr to UnownedPtrDan Sinclair
This CL moves CFX_UnownedPtr to UnownedPtr and places in the fxcrt namespace. Bug: pdfium:898 Change-Id: I6d1fa463f365e5cb3aafa8c8a7a5f7eff62ed8e0 Reviewed-on: https://pdfium-review.googlesource.com/14620 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@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>
2017-09-06Convert 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>
2017-09-01Cleanup usages of Mid(foo, 1), Right(1), and Left(1)chromium/3203Ryan Harrison
Mid(foo, 1) is equivalent to [foo], if all you want is the character. Similarly Left(1) is [0]. It is faster also, since it does not need to create intermediate strings. Right(1) is a touch more tricky, since it requires something like GetLength() ? [GetLength() - 1] : 0;. A new method, Last() has been added to perform this character extraction. Multiple call sites have been updated to use more efficient/simpler syntax. There are a number of call sites that use on these patterns, but based on the surrounding context we actually need/want a string, so they have not been modified. Change-Id: I485a7f9c7b34c9bdacecada610158f996816afdd Reviewed-on: https://pdfium-review.googlesource.com/12890 Commit-Queue: Ryan Harrison <rharrison@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>
2017-08-15Remove 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>
2017-08-11Remove potential out of bounds call to GetAt()Ryan Harrison
Since m_pos is passed into GetAt() on the underlying string in getCurrentChar(), the value of it needs to confirmed to be valid after decrementing. Some types were changed to reflect the values being stored. BUG=chromium:752480 Change-Id: Ib6d6f52326defd31785e70a17049a08b64dbe069 Reviewed-on: https://pdfium-review.googlesource.com/10652 Commit-Queue: Ryan Harrison <rharrison@chromium.org> Reviewed-by: Tom Sepez <tsepez@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>
2017-05-26Replace SymbolShapeHint with a boolean.Lei Zhang
Delete BC_SymbolShapeHint.h since there is nothing left in it. Change-Id: Ic991064cd396f224966e5f3e8537fc62b5a9908a Reviewed-on: https://pdfium-review.googlesource.com/5835 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-05-25Mass conversion of remaining class members (non-xfa)Tom Sepez
Change-Id: I8365ba80e3395d59a3cf35dbd9d9162e86e712e3 Reviewed-on: https://pdfium-review.googlesource.com/5970 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
2017-05-24Cleanup CBC_SymbolInfo::lookup().Lei Zhang
Remove unused variants and simplify the one remaining variant. Change-Id: I9b6e596b479f95319a3b69f5db2c4d1b2cff4ebf Reviewed-on: https://pdfium-review.googlesource.com/5834 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-05-23Remove useless CBC_SymbolShapeHint.Lei Zhang
Mark some methods as virtual/override in formerly CBC_SymbolShapeHint derived classes. Change-Id: Ia6d83e0b2c63c8fb440bc1d5beb258a796e1d42f Reviewed-on: https://pdfium-review.googlesource.com/5738 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-05-23Clean up CBC_SymbolInfo.chromium/3109Lei Zhang
- Remove rectangular ctor param. It can be derived from dimensions. - Make members private and add accessors. - Remove exceptions that cannot occur. Change-Id: Iec113205241562a0559e594fe257f5b9064ed97e Reviewed-on: https://pdfium-review.googlesource.com/5737 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-05-23Remove CBC_HighLevelEncoder::isSpecialB256().Lei Zhang
It just returns false. Also make more CBC_HighLevelEncoder members const. Change-Id: I0236e84db0d8b5e5fa1a99ebc4a809770a332471 Reviewed-on: https://pdfium-review.googlesource.com/5739 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-05-02Pass explicit string size in EncodeToCodewords().Lei Zhang
The input wchar_t array is not NUL-terminated. BUG=chromium:716706 Change-Id: I0a89324fa46a56a39cc3331fcdd1c26b1550828b Reviewed-on: https://pdfium-review.googlesource.com/4631 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Tom Sepez <tsepez@chromium.org>
2017-04-28Clean up private methods in CBC_C40Encoder.Lei Zhang
Change-Id: I0c33ec81ef9fd3ff7c22f33f5647a923aecd3e77 Reviewed-on: https://pdfium-review.googlesource.com/4594 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-04-28Remove dead dimensions code in fxbarcode.chromium/3084Lei Zhang
Remove more exceptions. Change-Id: I3b8b8b9837b0010b1e0060ddd56e93c78f9f0fb5 Reviewed-on: https://pdfium-review.googlesource.com/4410 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-04-27Remove CBC_HighLevelEncoder::illegalCharacter().Lei Zhang
It always return a failure. Change-Id: Ib318bbdb99b3ea38fba8ceb5733c6dcb8f14bbbf Reviewed-on: https://pdfium-review.googlesource.com/4590 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
2017-04-21Change more fxbarcode to use return values.Lei Zhang
Change-Id: Idcc05fb8c5a1448f552b4db5ae131ad82aef4d59 Reviewed-on: https://pdfium-review.googlesource.com/4258 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Lei Zhang <thestig@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>
2017-04-03Drop FXSYS_ from mem methodsDan Sinclair
This Cl drops the FXSYS_ from mem methods which are the same on all platforms. Bug: pdfium:694 Change-Id: I9d5ae905997dbaaec5aa0b2ae4c07358ed9c6236 Reviewed-on: https://pdfium-review.googlesource.com/3613 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@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>
2017-03-29Move xfa/fxbarcode fxbarcode/Dan Sinclair
Nothing in fxbarcode/ depends on XFA code. This CL moves xfa/fxbarcode to be fxbarcode/ and creates a static_library for fxbarcode which is depend on by the xfa library. Change-Id: I0b708737b07efb94b769a5238d92af92bc62880d Reviewed-on: https://pdfium-review.googlesource.com/3291 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
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