45085 2010-09-01 19:51:55 -0700 [WTFURL] Add a mechanism for classifying types of characters 2010-10-13 10:21:24 -0700 1 1 1 Unclassified WebKit New Bugs 528+ (Nightly build) Other OS X 10.5 RESOLVED FIXED P2 Normal --- 1 abarth abarth eric oldest_to_newest 273174 0 abarth 2010-09-01 19:51:55 -0700 [WTFURL] Add a mechanism for classifying types of characters 273176 1 66315 abarth 2010-09-01 19:53:47 -0700 Created attachment 66315 Patch 293293 2 66315 mjs 2010-10-13 00:32:20 -0700 Comment on attachment 66315 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=66315&action=review r=me If the above comments are addressed. > JavaScriptCore/wtf/url/src/URLCharacterTypes.cpp:37 > + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x00 - 0x0f > + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x10 - 0x1f > + 0, // 0x20 ' ' (escape spaces in queries) Not sure about this, but maybe instead of 0 for no flags, there should be a symbolic constant like InvalidCharacter. > JavaScriptCore/wtf/url/src/URLCharacterTypes.h:42 > + // Bits that identify different character types. These types identify different > + // bits that are set for each 8-bit character in the characterTypeTable. This comment seems redundant. The enum and its values are fairly self-documenting. > JavaScriptCore/wtf/url/src/URLCharacterTypes.h:50 > + enum CharTypes { > + QueryCharacter = 1, > + UserInfoCharacter = 2, > + IPv4Character = 4, > + HexCharacter = 8, > + DecimalCharacter = 16, > + OctalCharacter = 32, > + }; WebKit convention is usually to use a shifted 1 as the value for enums that are meant to be used with masking (1 << 0, 1 << 1, 1 << 2, etc). Might also want to look at how the similar character classes are documented in KURL.cpp. (On a personal note, I find it surprising that both URL parsers have a character flags table but have completely different classes!) > JavaScriptCore/wtf/url/src/URLCharacterTypes.h:58 > + // This table contains the flags in CharTypes for each 8-bit character. > + // Some canonicalization functions have their own specialized lookup table. > + // For those with simple requirements, we have collected the flags in one > + // place so there are fewer lookup tables to load into the CPU cache. > + // > + // Using an unsigned char type has a small but measurable performance benefit > + // over using a 32-bit number. This comment seems overly verbose and the second part in particular is needless detail, unless there's a reason to believe someone would accidentally change the "unsigned char" to "unsigned". If some of these details do need to be documented, then perhaps the comment should go in the implementation file, since this is a private static data member. 293487 3 abarth 2010-10-13 10:21:24 -0700 Committed r69669: <http://trac.webkit.org/changeset/69669> 66315 2010-09-01 19:53:47 -0700 2010-10-13 00:32:20 -0700 Patch bug-45085-20100901195346.patch text/plain 17100 abarth ZGlmZiAtLWdpdCBhL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZyBiL0phdmFTY3JpcHRDb3JlL0No YW5nZUxvZwppbmRleCBlZmEyZWI0Yjk5NmU4NDkzNzA1ODA2NjNhZjgyNmRmOTg4ZDAwZTg2Li5h NzhkZmQzMzlhZjcyNzdiOGI3Njc5ZjRkZTk5YzY4OGY3N2EzMGFlIDEwMDY0NAotLS0gYS9KYXZh U2NyaXB0Q29yZS9DaGFuZ2VMb2cKKysrIGIvSmF2YVNjcmlwdENvcmUvQ2hhbmdlTG9nCkBAIC0y LDYgKzIsMjQgQEAKIAogICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KIAorICAg ICAgICBbV1RGVVJMXSBBZGQgYSBtZWNoYW5pc20gZm9yIGNsYXNzaWZ5aW5nIHR5cGVzIG9mIGNo YXJhY3RlcnMKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lk PTQ1MDg1CisKKyAgICAgICAgVmFyaW91cyBjaGFyYWN0ZXJzIGhhdmUgZGlmZmVyZW50IGVzY2Fw 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