parsercher 3.1.6

Parses and searches Tag documents. (e.g. HTML, XML)
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148

extern crate parsercher;

use parsercher::dom::DomType;

#[test]
fn search() {
    let html = r#"
<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <title>sample html</title>
  </head>
  <body>

    <ul id="list1" class="targetList">
      <li class="key1">1-1</li>
      <li class="key2"><span>1-2</span></li>
    </ul>

    <ul id="list2">
      <li class="key1">2-1</li>
      <li>2-2</li>
    </ul>

    <div>
      <div>
      <ul class="targetList">
        <ul id="list3" class="targetList">
          <li class="key1">3-1</li>
          <li class="item">3-2</li>
          <li class="key2">3-3</li>
        </ul>
      </ul>
      </div>
    </div>

    <ul id="list4">
      <li class="key1">4-1</li>
      <li class="key2">4-2</li>
    </ul>

  </body>
</html>
"#;

    let dom = parsercher::parse(&html).unwrap();
    //parsercher::print_dom_tree(&root_dom);

    let needle = r#"
<ul class="targetList">
  <li class="key1"></li>
  <li class="key2"></li>
</ul>
"#;

    let res = dom.search(&needle).unwrap().unwrap();
    println!("{:?}", res);

    assert_eq!(res.len(), 2);

    // ul: list1
    let ul_dom = res.get(0).unwrap();
    assert_eq!(DomType::Tag, ul_dom.dom_type);
    let tag = ul_dom.get_tag().unwrap();
    assert_eq!("ul".to_string(), tag.get_name());
    assert_eq!(Some("list1".to_string()), tag.get_attr("id"));
    assert_eq!(Some("targetList".to_string()), tag.get_attr("class"));

    // li key1
    let li_dom = ul_dom.get_children().unwrap().get(0).unwrap().clone();
    assert_eq!(DomType::Tag, li_dom.dom_type);
    let tag = li_dom.get_tag().unwrap();
    assert_eq!("li".to_string(), tag.get_name());
    assert_eq!(Some("key1".to_string()), tag.get_attr("class"));

    // text: 1-1
    let text_dom = li_dom.get_children().unwrap().get(0).unwrap().clone();
    assert_eq!(DomType::Text, text_dom.dom_type);
    let text = text_dom.get_text().unwrap();
    assert_eq!("1-1", text.get_text());

    // li key2
    let li_dom = ul_dom.get_children().unwrap().get(1).unwrap().clone();
    assert_eq!(DomType::Tag, li_dom.dom_type);
    let tag = li_dom.get_tag().unwrap();
    assert_eq!("li".to_string(), tag.get_name());
    assert_eq!(Some("key2".to_string()), tag.get_attr("class"));

    // span
    let span_dom = li_dom.get_children().unwrap().get(0).unwrap().clone();
    assert_eq!(DomType::Tag, span_dom.dom_type);
    let tag = span_dom.get_tag().unwrap();
    assert_eq!("span".to_string(), tag.get_name());

    // text: 1-2
    let text_dom = span_dom.get_children().unwrap().get(0).unwrap().clone();
    assert_eq!(DomType::Text, text_dom.dom_type);
    let text = text_dom.get_text().unwrap();
    assert_eq!("1-2", text.get_text());

    // ul: list3
    let ul_dom = res.get(1).unwrap();
    assert_eq!(DomType::Tag, ul_dom.dom_type);
    let tag = ul_dom.get_tag().unwrap();
    assert_eq!("ul".to_string(), tag.get_name());
    assert_eq!(Some("list3".to_string()), tag.get_attr("id"));
    assert_eq!(Some("targetList".to_string()), tag.get_attr("class"));

    // li key1
    let li_dom = ul_dom.get_children().unwrap().get(0).unwrap().clone();
    assert_eq!(DomType::Tag, li_dom.dom_type);
    let tag = li_dom.get_tag().unwrap();
    assert_eq!("li".to_string(), tag.get_name());
    assert_eq!(Some("key1".to_string()), tag.get_attr("class"));

    // text: 3-1
    let text_dom = li_dom.get_children().unwrap().get(0).unwrap().clone();
    assert_eq!(DomType::Text, text_dom.dom_type);
    let text = text_dom.get_text().unwrap();
    assert_eq!("3-1", text.get_text());

    // li item
    let li_dom = ul_dom.get_children().unwrap().get(1).unwrap().clone();
    assert_eq!(DomType::Tag, li_dom.dom_type);
    let tag = li_dom.get_tag().unwrap();
    assert_eq!("li".to_string(), tag.get_name());
    assert_eq!(Some("item".to_string()), tag.get_attr("class"));

    // text: 3-2
    let text_dom = li_dom.get_children().unwrap().get(0).unwrap().clone();
    assert_eq!(DomType::Text, text_dom.dom_type);
    let text = text_dom.get_text().unwrap();
    assert_eq!("3-2", text.get_text());

    // li key2
    let li_dom = ul_dom.get_children().unwrap().get(2).unwrap().clone();
    assert_eq!(DomType::Tag, li_dom.dom_type);
    let tag = li_dom.get_tag().unwrap();
    assert_eq!("li".to_string(), tag.get_name());
    assert_eq!(Some("key2".to_string()), tag.get_attr("class"));

    // text: 3-3
    let text_dom = li_dom.get_children().unwrap().get(0).unwrap().clone();
    assert_eq!(DomType::Text, text_dom.dom_type);
    let text = text_dom.get_text().unwrap();
    assert_eq!("3-3", text.get_text());
}