expr

package
v0.0.0-...-775479d Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: May 5, 2018 License: BSD-2-Clause Imports: 7 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	A          = ElementChecker(atom.A)
	Abbr       = ElementChecker(atom.Abbr)
	Address    = ElementChecker(atom.Address)
	Area       = ElementChecker(atom.Area)
	Article    = ElementChecker(atom.Article)
	Aside      = ElementChecker(atom.Aside)
	Audio      = ElementChecker(atom.Audio)
	B          = ElementChecker(atom.B)
	Base       = ElementChecker(atom.Base)
	Bdi        = ElementChecker(atom.Bdi)
	Bdo        = ElementChecker(atom.Bdo)
	Blockquote = ElementChecker(atom.Blockquote)
	Body       = ElementChecker(atom.Body)
	Br         = ElementChecker(atom.Br)
	Button     = ElementChecker(atom.Button)
	Canvas     = ElementChecker(atom.Canvas)
	Caption    = ElementChecker(atom.Caption)
	Cite       = ElementChecker(atom.Cite)
	Code       = ElementChecker(atom.Code)
	Col        = ElementChecker(atom.Col)
	Colgroup   = ElementChecker(atom.Colgroup)
	Data       = ElementChecker(atom.Data)
	Datalist   = ElementChecker(atom.Datalist)
	Dd         = ElementChecker(atom.Dd)
	Del        = ElementChecker(atom.Del)
	Details    = ElementChecker(atom.Details)
	Dfn        = ElementChecker(atom.Dfn)
	Dialog     = ElementChecker(atom.Dialog)
	Div        = ElementChecker(atom.Div)
	Dl         = ElementChecker(atom.Dl)
	Dt         = ElementChecker(atom.Dt)
	Em         = ElementChecker(atom.Em)
	Embed      = ElementChecker(atom.Embed)
	Fieldset   = ElementChecker(atom.Fieldset)
	Figcaption = ElementChecker(atom.Figcaption)
	Figure     = ElementChecker(atom.Figure)
	Footer     = ElementChecker(atom.Footer)
	Form       = ElementChecker(atom.Form)
	H1         = ElementChecker(atom.H1)
	H2         = ElementChecker(atom.H2)
	H3         = ElementChecker(atom.H3)
	H4         = ElementChecker(atom.H4)
	H5         = ElementChecker(atom.H5)
	H6         = ElementChecker(atom.H6)
	Head       = ElementChecker(atom.Head)
	Header     = ElementChecker(atom.Header)
	Hgroup     = ElementChecker(atom.Hgroup)
	Hr         = ElementChecker(atom.Hr)
	Html       = ElementChecker(atom.Html)
	I          = ElementChecker(atom.I)
	Iframe     = ElementChecker(atom.Iframe)
	Img        = ElementChecker(atom.Img)
	Input      = ElementChecker(atom.Input)
	Ins        = ElementChecker(atom.Ins)
	Kbd        = ElementChecker(atom.Kbd)
	Label      = ElementChecker(atom.Label)
	Legend     = ElementChecker(atom.Legend)
	Li         = ElementChecker(atom.Li)
	Link       = ElementChecker(atom.Link)
	Map        = ElementChecker(atom.Map)
	Mark       = ElementChecker(atom.Mark)
	Menu       = ElementChecker(atom.Menu)
	Meta       = ElementChecker(atom.Meta)
	Meter      = ElementChecker(atom.Meter)
	Nav        = ElementChecker(atom.Nav)
	Noscript   = ElementChecker(atom.Noscript)
	Object     = ElementChecker(atom.Object)
	Ol         = ElementChecker(atom.Ol)
	Optgroup   = ElementChecker(atom.Optgroup)
	Option     = ElementChecker(atom.Option)
	Output     = ElementChecker(atom.Output)
	P          = ElementChecker(atom.P)
	Param      = ElementChecker(atom.Param)
	Pre        = ElementChecker(atom.Pre)
	Progress   = ElementChecker(atom.Progress)
	Q          = ElementChecker(atom.Q)
	Rp         = ElementChecker(atom.Rp)
	Rt         = ElementChecker(atom.Rt)
	Ruby       = ElementChecker(atom.Ruby)
	S          = ElementChecker(atom.S)
	Samp       = ElementChecker(atom.Samp)
	Script     = ElementChecker(atom.Script)
	Section    = ElementChecker(atom.Section)
	Select     = ElementChecker(atom.Select)
	Small      = ElementChecker(atom.Small)
	Source     = ElementChecker(atom.Source)
	Span       = ElementChecker(atom.Span)
	Strong     = ElementChecker(atom.Strong)
	Style      = ElementChecker(atom.Style)
	Sub        = ElementChecker(atom.Sub)
	Summary    = ElementChecker(atom.Summary)
	Sup        = ElementChecker(atom.Sup)
	Table      = ElementChecker(atom.Table)
	Tbody      = ElementChecker(atom.Tbody)
	Td         = ElementChecker(atom.Td)
	Textarea   = ElementChecker(atom.Textarea)
	Tfoot      = ElementChecker(atom.Tfoot)
	Th         = ElementChecker(atom.Th)
	Thead      = ElementChecker(atom.Thead)
	Time       = ElementChecker(atom.Time)
	Title      = ElementChecker(atom.Title)
	Tr         = ElementChecker(atom.Tr)
	Track      = ElementChecker(atom.Track)
	U          = ElementChecker(atom.U)
	Ul         = ElementChecker(atom.Ul)
	Var        = ElementChecker(atom.Var)
	Video      = ElementChecker(atom.Video)
	Wbr        = ElementChecker(atom.Wbr)
)
View Source 
var (
	Abbr_               = AttrChecker("abbr")
	Accept              = AttrChecker("accept")
	AcceptCharset       = SeperatedAttrChecker("accept-charset", ' ')
	Accesskey           = SeperatedAttrChecker("accesskey", ' ')
	Action              = AttrChecker("action")
	Allowfullscreen     = AttrChecker("allowfullscreen")
	Allowpaymentrequest = AttrChecker("allowpaymentrequest")
	Allowusermedia      = AttrChecker("allowusermedia")
	Alt                 = AttrChecker("alt")
	As                  = AttrChecker("as")
	Async               = AttrChecker("async")
	Autocomplete        = AttrChecker("autocomplete")
	Autofocus           = AttrChecker("autofocus")
	Autoplay            = AttrChecker("autoplay")
	Charset             = AttrChecker("charset")
	Checked             = AttrChecker("checked")
	Cite_               = AttrChecker("cite")
	Class               = SeperatedAttrChecker("class", ' ')
	Color               = AttrChecker("color")
	Cols                = AttrChecker("cols")
	Colspan             = AttrChecker("colspan")
	Content             = AttrChecker("content")
	Contenteditable     = AttrChecker("contenteditable")
	Controls            = AttrChecker("controls")
	Coords              = AttrChecker("coords")
	Crossorigin         = AttrChecker("crossorigin")
	Data_               = AttrChecker("data")
	Datetime            = AttrChecker("datetime")
	Default             = AttrChecker("default")
	Defer               = AttrChecker("defer")
	Dir                 = AttrChecker("dir")
	Dirname             = AttrChecker("dirname")
	Disabled            = AttrChecker("disabled")
	Download            = AttrChecker("download")
	Draggable           = AttrChecker("draggable")
	Enctype             = AttrChecker("enctype")
	For                 = AttrChecker("for")
	Form_               = AttrChecker("form")
	Formaction          = AttrChecker("formaction")
	Formenctype         = AttrChecker("formenctype")
	Formmethod          = AttrChecker("formmethod")
	Formnovalidate      = AttrChecker("formnovalidate")
	Formtarget          = AttrChecker("formtarget")
	Headers             = SeperatedAttrChecker("headers", ' ')
	Height              = AttrChecker("height")
	Hidden              = AttrChecker("hidden")
	High                = AttrChecker("high")
	Href                = AttrChecker("href")
	Hreflang            = AttrChecker("hreflang")
	HttpEquiv           = AttrChecker("http-equiv")
	Id                  = AttrChecker("id")
	Inputmode           = AttrChecker("inputmode")
	Integrity           = AttrChecker("integrity")
	Is                  = AttrChecker("is")
	Ismap               = AttrChecker("ismap")
	Itemid              = AttrChecker("itemid")
	Itemprop            = SeperatedAttrChecker("itemprop", ' ')
	Itemref             = SeperatedAttrChecker("itemref", ' ')
	Itemscope           = AttrChecker("itemscope")
	Itemtype            = SeperatedAttrChecker("itemtype", ' ')
	Kind                = AttrChecker("kind")
	Label_              = AttrChecker("label")
	Lang                = AttrChecker("lang")
	List                = AttrChecker("list")
	Loop                = AttrChecker("loop")
	Low                 = AttrChecker("low")
	Manifest            = AttrChecker("manifest")
	Max                 = AttrChecker("max")
	Maxlength           = AttrChecker("maxlength")
	Media               = AttrChecker("media")
	Method              = AttrChecker("method")
	Min                 = AttrChecker("min")
	Minlength           = AttrChecker("minlength")
	Multiple            = AttrChecker("multiple")
	Muted               = AttrChecker("muted")
	Name                = AttrChecker("name")
	Nomodule            = AttrChecker("nomodule")
	Nonce               = AttrChecker("nonce")
	Novalidate          = AttrChecker("novalidate")
	Open                = AttrChecker("open")
	Optimum             = AttrChecker("optimum")
	Pattern             = AttrChecker("pattern")
	Ping                = SeperatedAttrChecker("ping", ' ')
	Placeholder         = AttrChecker("placeholder")
	Playsinline         = AttrChecker("playsinline")
	Poster              = AttrChecker("poster")
	Preload             = AttrChecker("preload")
	Readonly            = AttrChecker("readonly")
	Referrerpolicy      = AttrChecker("referrerpolicy")
	Rel                 = SeperatedAttrChecker("rel", ' ')
	Required            = AttrChecker("required")
	Reversed            = AttrChecker("reversed")
	Rows                = AttrChecker("rows")
	Rowspan             = AttrChecker("rowspan")
	Sandbox             = SeperatedAttrChecker("sandbox", ' ')
	Scope               = AttrChecker("scope")
	Selected            = AttrChecker("selected")
	Shape               = AttrChecker("shape")
	Size                = AttrChecker("size")
	Sizes               = SeperatedAttrChecker("sizes", ' ')
	Slot_               = AttrChecker("slot")
	Span_               = AttrChecker("span")
	Spellcheck          = AttrChecker("spellcheck")
	Src                 = AttrChecker("src")
	Srcdoc              = AttrChecker("srcdoc")
	Srclang             = AttrChecker("srclang")
	Srcset              = AttrChecker("srcset")
	Start               = AttrChecker("start")
	Step                = AttrChecker("step")
	Style_              = AttrChecker("style")
	Tabindex            = AttrChecker("tabindex")
	Target              = AttrChecker("target")
	Title_              = AttrChecker("title")
	Translate           = AttrChecker("translate")
	Type                = AttrChecker("type")
	Typemustmatch       = AttrChecker("typemustmatch")
	Updateviacache      = AttrChecker("updateviacache")
	Usemap              = AttrChecker("usemap")
	Value               = AttrChecker("value")
	Width               = AttrChecker("width")
	Workertype          = AttrChecker("workertype")
	Wrap                = AttrChecker("wrap")
)
View Source 
var (
	ErrorNode    = TypeChecker(html.ErrorNode)
	TextNode     = TypeChecker(html.TextNode)
	DocumentNode = TypeChecker(html.DocumentNode)
	ElementNode  = TypeChecker(html.ElementNode)
	CommentNode  = TypeChecker(html.CommentNode)
	DoctypeNode  = TypeChecker(html.DoctypeNode)
)
View Source 
var (
	Ahref = And(A, HasAttr("href"))
)

Functions

func AttrChecker 

func AttrChecker(key string) func(string) Checker

func FirstChild 

func FirstChild(n *html.Node) *html.Node

func GetAttr 

func GetAttr(n *html.Node, key string) *string

func GetAttrSubmatch 

func GetAttrSubmatch(n *html.Node, key, pat string) *string

func GetHref 

func GetHref(n *html.Node) *string

func GetPat 

func GetPat(pat []string) string

func GetSrc 

func GetSrc(n *html.Node) *string

func GetSubmatch 

func GetSubmatch(s *string, pat string) *string

func GetSubmatch_ 

func GetSubmatch_(s *string, rx *regexp.Regexp) *string

func GetText 

func GetText(n *html.Node) *string

func GetTextNodeText 

func GetTextNodeText(n *html.Node) *string

func Integers 

func Integers(next Iter, f StringGetter) []int

func NextSibling 

func NextSibling(n *html.Node) *html.Node

func NonemptyTextNode 

func NonemptyTextNode(n *html.Node) *html.Node

func Parent 

func Parent(n *html.Node) *html.Node

func PrevSibling 

func PrevSibling(n *html.Node) *html.Node

func SeperatedAttrChecker 

func SeperatedAttrChecker(name string, sep rune) func(...string) Checker

func Strings 

func Strings(next Iter, f StringGetter, pat ...string) []string

func ToFloat 

func ToFloat(ps *string) *float64

func ToHex 

func ToHex(ps *string) *int

func ToInt 

func ToInt(ps *string) *int

func ToTime 

func ToTime(ps *string, layout string) *time.Time

Types

type Checker 

type Checker func(*html.Node) *html.Node

func And 

func And(cs ...Checker) Checker

func AtomChecker 

func AtomChecker(a atom.Atom) Checker

func Attr 

func Attr(key, pat string) Checker

func AttributeCmpChecker 

func AttributeCmpChecker(key string, cmp func(string) bool) Checker

func CaptionText 

func CaptionText(pat string) Checker

func ElementChecker 

func ElementChecker(a atom.Atom) Checker

func Find 

func Find(cs ...Checker) Checker

Broad first search in all descendants

func FindChild 

func FindChild(cs ...Checker) Checker

Find in direct children

func FindSibling 

func FindSibling(cs ...Checker) Checker

Find in sibling nodes

func HasAttr 

func HasAttr(key string) Checker

func NoAttr 

func NoAttr(key string) Checker

func Not 

func Not(c Checker) Checker

func Or 

func Or(cs ...Checker) Checker

func Pipe 

func Pipe(cs ...Checker) Checker

func Text 

func Text(pat string) Checker

func Text_ 

func Text_(rx *regexp.Regexp) Checker

func TypeChecker 

func TypeChecker(t html.NodeType) Checker

type Iter 

type Iter func() *html.Node

func Children 

func Children(n *html.Node, cs ...Checker) Iter

func Descendants 

func Descendants(n *html.Node, cs ...Checker) Iter

Pre-order depth first traversal in all descendants

func IterIter 

func IterIter(next Iter, cs ...Checker) Iter

type Queue 

type Queue struct {
	// contains filtered or unexported fields
}

FIFO queue.

func NewQueue 

func NewQueue() *Queue

func (*Queue) Len 

func (q *Queue) Len() int

func (*Queue) Pop 

func (q *Queue) Pop() *html.Node

func (*Queue) Push 

func (q *Queue) Push(n *html.Node)

func (*Queue) PushNodes 

func (q *Queue) PushNodes(next Iter)

type Stack 

type Stack struct {
	// contains filtered or unexported fields
}

FILO stack.

func NewStack 

func NewStack() *Stack

func (*Stack) Len 

func (s *Stack) Len() int

func (*Stack) Pop 

func (s *Stack) Pop() (n *html.Node)

func (*Stack) Push 

func (s *Stack) Push(n *html.Node)

type StringGetter 

type StringGetter func(*html.Node) *string

Source Files

View all Source files

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