60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
package html
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import (
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. "github.com/vektah/goparsify"
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)
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func parse(input string) (result interface{}, err error) {
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return Run(tag, input)
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}
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type htmlTag struct {
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Name string
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Attributes map[string]string
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Body []interface{}
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}
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var (
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tag Parser
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identifier = Regex("[a-zA-Z][a-zA-Z0-9]*")
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text = NotChars("<>").Map(func(n Result) Result {
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return Result{Result: n.Token}
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})
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element = Any(text, &tag)
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elements = Some(element).Map(func(n Result) Result {
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ret := []interface{}{}
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for _, child := range n.Child {
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ret = append(ret, child.Result)
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}
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return Result{Result: ret}
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})
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attr = Seq(identifier, "=", StringLit(`"'`))
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attrs = Some(attr).Map(func(node Result) Result {
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attr := map[string]string{}
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for _, attrNode := range node.Child {
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attr[attrNode.Child[0].Token] = attrNode.Child[2].Result.(string)
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}
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return Result{Result: attr}
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})
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tstart = Seq("<", identifier, Cut(), attrs, ">")
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tend = Seq("</", Cut(), identifier, ">")
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)
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func init() {
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tag = Seq(tstart, Cut(), elements, tend).Map(func(node Result) Result {
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openTag := node.Child[0]
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return Result{Result: htmlTag{
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Name: openTag.Child[1].Token,
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Attributes: openTag.Child[3].Result.(map[string]string),
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Body: node.Child[2].Result.([]interface{}),
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}}
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})
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}
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