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package html
import (
. "github.com/vektah/goparsify"
)
func Parse(input string) (result interface{}, remaining string, err error) {
return ParseString(tag, input)
}
type Tag struct {
Name string
Attributes map[string]string
Body []interface{}
}
var (
tag Parser
identifier = NoAutoWS(Merge(And(WS(), Chars("a-zA-Z", 1), Chars("a-zA-Z0-9", 0))))
text = Map(NotChars("<>"), func(n *Node) *Node {
return &Node{Result: n.Token}
})
element = Any(text, &tag)
elements = Map(Kleene(element), func(n *Node) *Node {
ret := []interface{}{}
for _, child := range n.Children {
ret = append(ret, child.Result)
}
return &Node{Result: ret}
})
attr = And(identifier, "=", Any(String('"'), String('\'')))
attrs = Map(Kleene(attr), func(node *Node) *Node {
attr := map[string]string{}
for _, attrNode := range node.Children {
attr[attrNode.Children[0].Token] = attrNode.Children[2].Token
}
return &Node{Result: attr}
})
tstart = And("<", identifier, attrs, ">")
tend = And("</", identifier, ">")
)
func init() {
tag = Map(And(tstart, elements, tend), func(node *Node) *Node {
openTag := node.Children[0]
return &Node{Result: Tag{
Name: openTag.Children[1].Token,
Attributes: openTag.Children[2].Result.(map[string]string),
Body: node.Children[1].Result.([]interface{}),
}}
})
}
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