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Viewing changes to src/golang.org/x/net/html/example_test.go

  • Committer: Nicholas Skaggs
  • Date: 2016-10-24 20:56:05 UTC
  • Revision ID: nicholas.skaggs@canonical.com-20161024205605-z8lta0uvuhtxwzwl
Initi with beta15

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src/golang.org/x/net/html/example_test.go
 
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// Copyright 2012 The Go Authors. All rights reserved.
 
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// Use of this source code is governed by a BSD-style
 
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// license that can be found in the LICENSE file.
 
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// This example demonstrates parsing HTML data and walking the resulting tree.
 
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package html_test
 
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import (
 
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        "fmt"
 
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        "log"
 
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        "strings"
 
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        "golang.org/x/net/html"
 
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)
 
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func ExampleParse() {
 
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        s := `<p>Links:</p><ul><li><a href="foo">Foo</a><li><a href="/bar/baz">BarBaz</a></ul>`
 
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        doc, err := html.Parse(strings.NewReader(s))
 
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        if err != nil {
 
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                log.Fatal(err)
 
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        }
 
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        var f func(*html.Node)
 
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        f = func(n *html.Node) {
 
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                if n.Type == html.ElementNode && n.Data == "a" {
 
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                        for _, a := range n.Attr {
 
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                                if a.Key == "href" {
 
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                                        fmt.Println(a.Val)
 
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                                        break
 
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                                }
 
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                        }
 
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                }
 
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                for c := n.FirstChild; c != nil; c = c.NextSibling {
 
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                        f(c)
 
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                }
 
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        }
 
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        f(doc)
 
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        // Output:
 
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        // foo
 
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        // /bar/baz
 
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}