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package gumbleutil
import (
"bytes"
"encoding/xml"
"strings"
"layeh.com/gumble/gumble"
)
// PlainText returns the Message string without HTML tags or entities.
func PlainText(tm *gumble.TextMessage) string {
d := xml.NewDecoder(strings.NewReader(tm.Message))
d.Strict = false
d.AutoClose = xml.HTMLAutoClose
d.Entity = xml.HTMLEntity
var b bytes.Buffer
newline := false
for {
t, _ := d.Token()
if t == nil {
break
}
switch node := t.(type) {
case xml.CharData:
if len(node) > 0 {
b.Write(node)
newline = false
}
case xml.StartElement:
switch node.Name.Local {
case "address", "article", "aside", "audio", "blockquote", "canvas", "dd", "div", "dl", "fieldset", "figcaption", "figure", "footer", "form", "h1", "h2", "h3", "h4", "h5", "h6", "header", "hgroup", "hr", "noscript", "ol", "output", "p", "pre", "section", "table", "tfoot", "ul", "video":
if !newline {
b.WriteByte('\n')
newline = true
}
case "br":
b.WriteByte('\n')
newline = true
}
}
}
return b.String()
}
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