Title parsing

.gitignore

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+webby

README.md

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+# Webby Bot
+Webby is an IRC bot written in Go. The initial goal is to provide helpers for
+parsing URLs to provide the URL title and a shortend URL.

main.go

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+package main
+
+import (
+	"io"
+	"net/http"
+
+	"golang.org/x/net/html"
+)
+
+func isTitleElement(n *html.Node) bool {
+	return n.Type == html.ElementNode && n.Data == "title"
+}
+
+func traverse(n *html.Node) (string, bool) {
+	if isTitleElement(n) {
+		return n.FirstChild.Data, true
+	}
+
+	for c := n.FirstChild; c != nil; c = c.NextSibling {
+		result, ok := traverse(c)
+		if ok {
+			return result, ok
+		}
+	}
+	return "", false
+}
+
+func GetHtmlTitle(r io.Reader) (string, bool) {
+	doc, docErr := html.Parse(r)
+	if docErr != nil {
+		panic("Failed to parse url")
+	}
+
+	return traverse(doc)
+}
+
+func main() {
+	url := "http://google.com"
+	resp, getErr := http.Get(url)
+	if getErr != nil {
+		panic(getErr)
+	}
+	defer resp.Body.Close()
+
+	if title, ok := GetHtmlTitle(resp.Body); ok {
+		println(title)
+	} else {
+		println("No title found")
+	}
+}