lol_html 1.2.1

Streaming HTML rewriter/parser with CSS selector-based API
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

use super::*;
use crate::html::TextType;
use crate::parser::{NonTagContentLexeme, NonTagContentTokenOutline, TagLexeme, TagTokenOutline};
use encoding_rs::Encoding;
use std::rc::Rc;

pub enum ToTokenResult<'i> {
    Token(Box<Token<'i>>),
    Text(TextType),
    None,
}

impl<'i> From<Token<'i>> for ToTokenResult<'i> {
    #[inline]
    fn from(token: Token<'i>) -> Self {
        ToTokenResult::Token(Box::new(token))
    }
}

pub trait ToToken {
    fn to_token(
        &self,
        capture_flags: &mut TokenCaptureFlags,
        encoding: &'static Encoding,
    ) -> ToTokenResult;
}

impl ToToken for TagLexeme<'_> {
    fn to_token(
        &self,
        capture_flags: &mut TokenCaptureFlags,
        encoding: &'static Encoding,
    ) -> ToTokenResult {
        match *self.token_outline() {
            TagTokenOutline::StartTag {
                name,
                ref attributes,
                ns,
                self_closing,
                ..
            } if capture_flags.contains(TokenCaptureFlags::NEXT_START_TAG) => {
                // NOTE: clear the flag once we've seen required start tag.
                capture_flags.remove(TokenCaptureFlags::NEXT_START_TAG);

                StartTag::new_token(
                    self.part(name),
                    Attributes::new(self.input(), Rc::clone(attributes), encoding),
                    ns,
                    self_closing,
                    self.raw(),
                    encoding,
                )
                .into()
            }

            TagTokenOutline::EndTag { name, .. }
                if capture_flags.contains(TokenCaptureFlags::NEXT_END_TAG) =>
            {
                // NOTE: clear the flag once we've seen required end tag.
                capture_flags.remove(TokenCaptureFlags::NEXT_END_TAG);

                EndTag::new_token(self.part(name), self.raw(), encoding).into()
            }
            _ => ToTokenResult::None,
        }
    }
}

impl ToToken for NonTagContentLexeme<'_> {
    fn to_token(
        &self,
        capture_flags: &mut TokenCaptureFlags,
        encoding: &'static Encoding,
    ) -> ToTokenResult {
        match *self.token_outline() {
            Some(NonTagContentTokenOutline::Text(text_type)) => ToTokenResult::Text(text_type),
            Some(NonTagContentTokenOutline::Comment(text))
                if capture_flags.contains(TokenCaptureFlags::COMMENTS) =>
            {
                Comment::new_token(self.part(text), self.raw(), encoding).into()
            }

            Some(NonTagContentTokenOutline::Doctype {
                name,
                public_id,
                system_id,
                force_quirks,
            }) if capture_flags.contains(TokenCaptureFlags::DOCTYPES) => Doctype::new_token(
                self.opt_part(name),
                self.opt_part(public_id),
                self.opt_part(system_id),
                force_quirks,
                false, // removed
                self.raw(),
                encoding,
            )
            .into(),
            _ => ToTokenResult::None,
        }
    }
}