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
use std::fs::File;
use std::io::{Write, Result};
use std::path::Path;
use std::string::ToString;
use html5ever::serialize::{Serializable, Serializer, TraversalScope, serialize, SerializeOpts};
use html5ever::serialize::TraversalScope::*;
use tree::{NodeRef, NodeData};
impl Serializable for NodeRef {
fn serialize<'wr, Wr: Write>(&self, serializer: &mut Serializer<'wr, Wr>,
traversal_scope: TraversalScope) -> Result<()> {
match (traversal_scope, self.data()) {
(_, &NodeData::Element(ref element)) => {
if traversal_scope == IncludeNode {
try!(serializer.start_elem(
element.name.clone(),
element.attributes.borrow().map.iter().map(|(name, value)| (name, &**value))));
}
for child in self.children() {
try!(Serializable::serialize(&child, serializer, IncludeNode));
}
if traversal_scope == IncludeNode {
try!(serializer.end_elem(element.name.clone()));
}
Ok(())
}
(_, &NodeData::DocumentFragment) |
(_, &NodeData::Document(_)) => {
for child in self.children() {
try!(Serializable::serialize(&child, serializer, IncludeNode));
}
Ok(())
}
(ChildrenOnly, _) => Ok(()),
(IncludeNode, &NodeData::Doctype(ref doctype)) => serializer.write_doctype(&doctype.name),
(IncludeNode, &NodeData::Text(ref text)) => serializer.write_text(&text.borrow()),
(IncludeNode, &NodeData::Comment(ref text)) => serializer.write_comment(&text.borrow()),
}
}
}
impl ToString for NodeRef {
#[inline]
fn to_string(&self) -> String {
let mut u8_vec = Vec::new();
self.serialize(&mut u8_vec).unwrap();
String::from_utf8(u8_vec).unwrap()
}
}
impl NodeRef {
#[inline]
pub fn serialize<W: Write>(&self, writer: &mut W) -> Result<()> {
serialize(writer, self, SerializeOpts {
traversal_scope: IncludeNode,
..Default::default()
})
}
#[inline]
pub fn serialize_to_file<P: AsRef<Path>>(&self, path: P) -> Result<()>{
let mut file = try!(File::create(&path));
self.serialize(&mut file)
}
}