Godeps/_workspace/src/golang.org/x/net/html/example_test.go


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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This example demonstrates parsing HTML data and walking the resulting tree.
package html_test

import (
    "fmt"
    "log"
    "strings"

    "golang.org/x/net/html"
)

func ExampleParse() {
    s := `<p>Links:</p><ul><li><a href="foo">Foo</a><li><a href="/bar/baz">BarBaz</a></ul>`
    doc, err := html.Parse(strings.NewReader(s))
    if err != nil {
        log.Fatal(err)
    }
    var f func(*html.Node)
    f = func(n *html.Node) {
        if n.Type == html.ElementNode && n.Data == "a" {
            for _, a := range n.Attr {
                if a.Key == "href" {
                    fmt.Println(a.Val)
                    break
                }
            }
        }
        for c := n.FirstChild; c != nil; c = c.NextSibling {
            f(c)
        }
    }
    f(doc)
    // Output:
    // foo
    // /bar/baz
}