atom

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Published: Jan 10, 2024 License: BSD-3-Clause Imports: 0 Imported by: 0

Documentation

Overview

Package atom provides integer codes (also known as atoms) for a fixed set of frequently occurring HTML strings: tag names and attribute keys such as "p" and "id".

Sharing an atom's name between all elements with the same tag can result in fewer string allocations when tokenizing and parsing HTML. Integer comparisons are also generally faster than string comparisons.

The value of an atom's particular code is not guaranteed to stay the same between versions of this package. Neither is any ordering guaranteed: whether atom.H1 < atom.H2 may also change. The codes are not guaranteed to be dense. The only guarantees are that e.g. looking up "div" will yield atom.Div, calling atom.Div.String will return "div", and atom.Div != 0.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func String

func String(s []byte) string

String returns a string whose contents are equal to s. In that sense, it is equivalent to string(s) but may be more efficient.

Types

type Atom

type Atom uint32

Atom is an integer code for a string. The zero value maps to "".

const (
	A                         Atom = 0x1
	Abbr                      Atom = 0x4
	Accept                    Atom = 0x1a06
	AcceptCharset             Atom = 0x1a0e
	Accesskey                 Atom = 0x2c09
	Acronym                   Atom = 0xaa07
	Action                    Atom = 0x27206
	Address                   Atom = 0x6f307
	Align                     Atom = 0xb105
	Allowfullscreen           Atom = 0x2080f
	Allowpaymentrequest       Atom = 0xc113
	Allowusermedia            Atom = 0xdd0e
	Alt                       Atom = 0xf303
	Annotation                Atom = 0x1c90a
	AnnotationXml             Atom = 0x1c90e
	Applet                    Atom = 0x31906
	Area                      Atom = 0x35604
	Article                   Atom = 0x3fc07
	As                        Atom = 0x3c02
	Aside                     Atom = 0x10705
	Async                     Atom = 0xff05
	Audio                     Atom = 0x11505
	Autocomplete              Atom = 0x2780c
	Autofocus                 Atom = 0x12109
	Autoplay                  Atom = 0x13c08
	B                         Atom = 0x101
	Base                      Atom = 0x3b04
	Basefont                  Atom = 0x3b08
	Bdi                       Atom = 0xba03
	Bdo                       Atom = 0x14b03
	Bgsound                   Atom = 0x15e07
	Big                       Atom = 0x17003
	Blink                     Atom = 0x17305
	Blockquote                Atom = 0x1870a
	Body                      Atom = 0x2804
	Br                        Atom = 0x202
	Button                    Atom = 0x19106
	Canvas                    Atom = 0x10306
	Caption                   Atom = 0x23107
	Center                    Atom = 0x22006
	Challenge                 Atom = 0x29b09
	Charset                   Atom = 0x2107
	Checked                   Atom = 0x47907
	Cite                      Atom = 0x19c04
	Class                     Atom = 0x56405
	Code                      Atom = 0x5c504
	Col                       Atom = 0x1ab03
	Colgroup                  Atom = 0x1ab08
	Color                     Atom = 0x1bf05
	Cols                      Atom = 0x1c404
	Colspan                   Atom = 0x1c407
	Command                   Atom = 0x1d707
	Content                   Atom = 0x58b07
	Contenteditable           Atom = 0x58b0f
	Contextmenu               Atom = 0x3800b
	Controls                  Atom = 0x1de08
	Coords                    Atom = 0x1ea06
	Crossorigin               Atom = 0x1fb0b
	Data                      Atom = 0x4a504
	Datalist                  Atom = 0x4a508
	Datetime                  Atom = 0x2b808
	Dd                        Atom = 0x2d702
	Default                   Atom = 0x10a07
	Defer                     Atom = 0x5c705
	Del                       Atom = 0x45203
	Desc                      Atom = 0x56104
	Details                   Atom = 0x7207
	Dfn                       Atom = 0x8703
	Dialog                    Atom = 0xbb06
	Dir                       Atom = 0x9303
	Dirname                   Atom = 0x9307
	Disabled                  Atom = 0x16408
	Div                       Atom = 0x16b03
	Dl                        Atom = 0x5e602
	Download                  Atom = 0x46308
	Draggable                 Atom = 0x17a09
	Dropzone                  Atom = 0x40508
	Dt                        Atom = 0x64b02
	Em                        Atom = 0x6e02
	Embed                     Atom = 0x6e05
	Enctype                   Atom = 0x28d07
	Face                      Atom = 0x21e04
	Fieldset                  Atom = 0x22608
	Figcaption                Atom = 0x22e0a
	Figure                    Atom = 0x24806
	Font                      Atom = 0x3f04
	Footer                    Atom = 0xf606
	For                       Atom = 0x25403
	ForeignObject             Atom = 0x2540d
	Foreignobject             Atom = 0x2610d
	Form                      Atom = 0x26e04
	Formaction                Atom = 0x26e0a
	Formenctype               Atom = 0x2890b
	Formmethod                Atom = 0x2a40a
	Formnovalidate            Atom = 0x2ae0e
	Formtarget                Atom = 0x2c00a
	Frame                     Atom = 0x8b05
	Frameset                  Atom = 0x8b08
	H1                        Atom = 0x15c02
	H2                        Atom = 0x2de02
	H3                        Atom = 0x30d02
	H4                        Atom = 0x34502
	H5                        Atom = 0x34f02
	H6                        Atom = 0x64d02
	Head                      Atom = 0x33104
	Header                    Atom = 0x33106
	Headers                   Atom = 0x33107
	Height                    Atom = 0x5206
	Hgroup                    Atom = 0x2ca06
	Hidden                    Atom = 0x2d506
	High                      Atom = 0x2db04
	Hr                        Atom = 0x15702
	Href                      Atom = 0x2e004
	Hreflang                  Atom = 0x2e008
	Html                      Atom = 0x5604
	HttpEquiv                 Atom = 0x2e80a
	I                         Atom = 0x601
	Icon                      Atom = 0x58a04
	Id                        Atom = 0x10902
	Iframe                    Atom = 0x2fc06
	Image                     Atom = 0x30205
	Img                       Atom = 0x30703
	Input                     Atom = 0x44b05
	Inputmode                 Atom = 0x44b09
	Ins                       Atom = 0x20403
	Integrity                 Atom = 0x23f09
	Is                        Atom = 0x16502
	Isindex                   Atom = 0x30f07
	Ismap                     Atom = 0x31605
	Itemid                    Atom = 0x38b06
	Itemprop                  Atom = 0x19d08
	Itemref                   Atom = 0x3cd07
	Itemscope                 Atom = 0x67109
	Itemtype                  Atom = 0x31f08
	Kbd                       Atom = 0xb903
	Keygen                    Atom = 0x3206
	Keytype                   Atom = 0xd607
	Kind                      Atom = 0x17704
	Label                     Atom = 0x5905
	Lang                      Atom = 0x2e404
	Legend                    Atom = 0x18106
	Li                        Atom = 0xb202
	Link                      Atom = 0x17404
	List                      Atom = 0x4a904
	Listing                   Atom = 0x4a907
	Loop                      Atom = 0x5d04
	Low                       Atom = 0xc303
	Main                      Atom = 0x1004
	Malignmark                Atom = 0xb00a
	Manifest                  Atom = 0x6d708
	Map                       Atom = 0x31803
	Mark                      Atom = 0xb604
	Marquee                   Atom = 0x32707
	Math                      Atom = 0x32e04
	Max                       Atom = 0x33d03
	Maxlength                 Atom = 0x33d09
	Media                     Atom = 0xe605
	Mediagroup                Atom = 0xe60a
	Menu                      Atom = 0x38704
	Menuitem                  Atom = 0x38708
	Meta                      Atom = 0x4b804
	Meter                     Atom = 0x9805
	Method                    Atom = 0x2a806
	Mglyph                    Atom = 0x30806
	Mi                        Atom = 0x34702
	Min                       Atom = 0x34703
	Minlength                 Atom = 0x34709
	Mn                        Atom = 0x2b102
	Mo                        Atom = 0xa402
	Ms                        Atom = 0x67402
	Mtext                     Atom = 0x35105
	Multiple                  Atom = 0x35f08
	Muted                     Atom = 0x36705
	Name                      Atom = 0x9604
	Nav                       Atom = 0x1303
	Nobr                      Atom = 0x3704
	Noembed                   Atom = 0x6c07
	Noframes                  Atom = 0x8908
	Nomodule                  Atom = 0xa208
	Nonce                     Atom = 0x1a605
	Noscript                  Atom = 0x21608
	Novalidate                Atom = 0x2b20a
	Object                    Atom = 0x26806
	Ol                        Atom = 0x13702
	Onabort                   Atom = 0x19507
	Onafterprint              Atom = 0x2360c
	Onautocomplete            Atom = 0x2760e
	Onautocompleteerror       Atom = 0x27613
	Onauxclick                Atom = 0x61f0a
	Onbeforeprint             Atom = 0x69e0d
	Onbeforeunload            Atom = 0x6e70e
	Onblur                    Atom = 0x56d06
	Oncancel                  Atom = 0x11908
	Oncanplay                 Atom = 0x14d09
	Oncanplaythrough          Atom = 0x14d10
	Onchange                  Atom = 0x41b08
	Onclick                   Atom = 0x2f507
	Onclose                   Atom = 0x36c07
	Oncontextmenu             Atom = 0x37e0d
	Oncopy                    Atom = 0x39106
	Oncuechange               Atom = 0x3970b
	Oncut                     Atom = 0x3a205
	Ondblclick                Atom = 0x3a70a
	Ondrag                    Atom = 0x3b106
	Ondragend                 Atom = 0x3b109
	Ondragenter               Atom = 0x3ba0b
	Ondragexit                Atom = 0x3c50a
	Ondragleave               Atom = 0x3df0b
	Ondragover                Atom = 0x3ea0a
	Ondragstart               Atom = 0x3f40b
	Ondrop                    Atom = 0x40306
	Ondurationchange          Atom = 0x41310
	Onemptied                 Atom = 0x40a09
	Onended                   Atom = 0x42307
	Onerror                   Atom = 0x42a07
	Onfocus                   Atom = 0x43107
	Onhashchange              Atom = 0x43d0c
	Oninput                   Atom = 0x44907
	Oninvalid                 Atom = 0x45509
	Onkeydown                 Atom = 0x45e09
	Onkeypress                Atom = 0x46b0a
	Onkeyup                   Atom = 0x48007
	Onlanguagechange          Atom = 0x48d10
	Onload                    Atom = 0x49d06
	Onloadeddata              Atom = 0x49d0c
	Onloadedmetadata          Atom = 0x4b010
	Onloadend                 Atom = 0x4c609
	Onloadstart               Atom = 0x4cf0b
	Onmessage                 Atom = 0x4da09
	Onmessageerror            Atom = 0x4da0e
	Onmousedown               Atom = 0x4e80b
	Onmouseenter              Atom = 0x4f30c
	Onmouseleave              Atom = 0x4ff0c
	Onmousemove               Atom = 0x50b0b
	Onmouseout                Atom = 0x5160a
	Onmouseover               Atom = 0x5230b
	Onmouseup                 Atom = 0x52e09
	Onmousewheel              Atom = 0x53c0c
	Onoffline                 Atom = 0x54809
	Ononline                  Atom = 0x55108
	Onpagehide                Atom = 0x5590a
	Onpageshow                Atom = 0x5730a
	Onpaste                   Atom = 0x57f07
	Onpause                   Atom = 0x59a07
	Onplay                    Atom = 0x5a406
	Onplaying                 Atom = 0x5a409
	Onpopstate                Atom = 0x5ad0a
	Onprogress                Atom = 0x5b70a
	Onratechange              Atom = 0x5cc0c
	Onrejectionhandled        Atom = 0x5d812
	Onreset                   Atom = 0x5ea07
	Onresize                  Atom = 0x5f108
	Onscroll                  Atom = 0x60008
	Onsecuritypolicyviolation Atom = 0x60819
	Onseeked                  Atom = 0x62908
	Onseeking                 Atom = 0x63109
	Onselect                  Atom = 0x63a08
	Onshow                    Atom = 0x64406
	Onsort                    Atom = 0x64f06
	Onstalled                 Atom = 0x65909
	Onstorage                 Atom = 0x66209
	Onsubmit                  Atom = 0x66b08
	Onsuspend                 Atom = 0x67b09
	Ontimeupdate              Atom = 0x400c
	Ontoggle                  Atom = 0x68408
	Onunhandledrejection      Atom = 0x68c14
	Onunload                  Atom = 0x6ab08
	Onvolumechange            Atom = 0x6b30e
	Onwaiting                 Atom = 0x6c109
	Onwheel                   Atom = 0x6ca07
	Open                      Atom = 0x1a304
	Optgroup                  Atom = 0x5f08
	Optimum                   Atom = 0x6d107
	Option                    Atom = 0x6e306
	Output                    Atom = 0x51d06
	P                         Atom = 0xc01
	Param                     Atom = 0xc05
	Pattern                   Atom = 0x6607
	Picture                   Atom = 0x7b07
	Ping                      Atom = 0xef04
	Placeholder               Atom = 0x1310b
	Plaintext                 Atom = 0x1b209
	Playsinline               Atom = 0x1400b
	Poster                    Atom = 0x2cf06
	Pre                       Atom = 0x47003
	Preload                   Atom = 0x48607
	Progress                  Atom = 0x5b908
	Prompt                    Atom = 0x53606
	Public                    Atom = 0x58606
	Q                         Atom = 0xcf01
	Radiogroup                Atom = 0x30a
	Rb                        Atom = 0x3a02
	Readonly                  Atom = 0x35708
	Referrerpolicy            Atom = 0x3d10e
	Rel                       Atom = 0x48703
	Required                  Atom = 0x24c08
	Reversed                  Atom = 0x8008
	Rows                      Atom = 0x9c04
	Rowspan                   Atom = 0x9c07
	Rp                        Atom = 0x23c02
	Rt                        Atom = 0x19a02
	Rtc                       Atom = 0x19a03
	Ruby                      Atom = 0xfb04
	S                         Atom = 0x2501
	Samp                      Atom = 0x7804
	Sandbox                   Atom = 0x12907
	Scope                     Atom = 0x67505
	Scoped                    Atom = 0x67506
	Script                    Atom = 0x21806
	Seamless                  Atom = 0x37108
	Section                   Atom = 0x56807
	Select                    Atom = 0x63c06
	Selected                  Atom = 0x63c08
	Shape                     Atom = 0x1e505
	Size                      Atom = 0x5f504
	Sizes                     Atom = 0x5f505
	Slot                      Atom = 0x1ef04
	Small                     Atom = 0x20605
	Sortable                  Atom = 0x65108
	Sorted                    Atom = 0x33706
	Source                    Atom = 0x37806
	Spacer                    Atom = 0x43706
	Span                      Atom = 0x9f04
	Spellcheck                Atom = 0x4740a
	Src                       Atom = 0x5c003
	Srcdoc                    Atom = 0x5c006
	Srclang                   Atom = 0x5f907
	Srcset                    Atom = 0x6f906
	Start                     Atom = 0x3fa05
	Step                      Atom = 0x58304
	Strike                    Atom = 0xd206
	Strong                    Atom = 0x6dd06
	Style                     Atom = 0x6ff05
	Sub                       Atom = 0x66d03
	Summary                   Atom = 0x70407
	Sup                       Atom = 0x70b03
	Svg                       Atom = 0x70e03
	System                    Atom = 0x71106
	Tabindex                  Atom = 0x4be08
	Table                     Atom = 0x59505
	Target                    Atom = 0x2c406
	Tbody                     Atom = 0x2705
	Td                        Atom = 0x9202
	Template                  Atom = 0x71408
	Textarea                  Atom = 0x35208
	Tfoot                     Atom = 0xf505
	Th                        Atom = 0x15602
	Thead                     Atom = 0x33005
	Time                      Atom = 0x4204
	Title                     Atom = 0x11005
	Tr                        Atom = 0xcc02
	Track                     Atom = 0x1ba05
	Translate                 Atom = 0x1f209
	Tt                        Atom = 0x6802
	Type                      Atom = 0xd904
	Typemustmatch             Atom = 0x2900d
	U                         Atom = 0xb01
	Ul                        Atom = 0xa702
	Updateviacache            Atom = 0x460e
	Usemap                    Atom = 0x59e06
	Value                     Atom = 0x1505
	Var                       Atom = 0x16d03
	Video                     Atom = 0x2f105
	Wbr                       Atom = 0x57c03
	Width                     Atom = 0x64905
	Workertype                Atom = 0x71c0a
	Wrap                      Atom = 0x72604
	Xmp                       Atom = 0x12f03
)

func Lookup

func Lookup(s []byte) Atom

Lookup returns the atom whose name is s. It returns zero if there is no such atom. The lookup is case sensitive.

func (Atom) String

func (a Atom) String() string

String returns the atom's name.

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