asm_tl 0.2.0

2x-3x faster than rustedbytes-tl, thanks to Assembly
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
149
150
151

use core::marker::PhantomData;

use crate::{NodeHandle, Parser, asm_core};

use super::{Selector, iterable::QueryIterable};

/// A query selector iterator that yields matching HTML nodes
pub struct QuerySelectorIterator<
    'a,
    'b,
    Q: QueryIterable<'a, MAX_NODES, MAX_STACK, MAX_ROOTS, MAX_IDS, MAX_CLASSES, MAX_SELECTOR_NODES>,
    const MAX_NODES: usize = 0,
    const MAX_STACK: usize = 0,
    const MAX_ROOTS: usize = 0,
    const MAX_IDS: usize = 0,
    const MAX_CLASSES: usize = 0,
    const MAX_SELECTOR_NODES: usize = 0,
> {
    selector: Selector<'b, MAX_SELECTOR_NODES>,
    collection: &'b Q,
    parser:
        &'b Parser<'a, MAX_NODES, MAX_STACK, MAX_ROOTS, MAX_IDS, MAX_CLASSES, MAX_SELECTOR_NODES>,
    index: usize,
    len: usize,
    _a: PhantomData<&'a ()>,
}

impl<
    'a,
    'b,
    Q: QueryIterable<'a, MAX_NODES, MAX_STACK, MAX_ROOTS, MAX_IDS, MAX_CLASSES, MAX_SELECTOR_NODES>,
    const MAX_NODES: usize,
    const MAX_STACK: usize,
    const MAX_ROOTS: usize,
    const MAX_IDS: usize,
    const MAX_CLASSES: usize,
    const MAX_SELECTOR_NODES: usize,
> Clone
    for QuerySelectorIterator<
        'a,
        'b,
        Q,
        MAX_NODES,
        MAX_STACK,
        MAX_ROOTS,
        MAX_IDS,
        MAX_CLASSES,
        MAX_SELECTOR_NODES,
    >
{
    fn clone(&self) -> Self {
        Self {
            selector: self.selector.clone(),
            collection: self.collection,
            parser: self.parser,
            index: self.index,
            len: self.len,
            _a: PhantomData,
        }
    }
}

impl<
    'a,
    'b,
    Q: QueryIterable<'a, MAX_NODES, MAX_STACK, MAX_ROOTS, MAX_IDS, MAX_CLASSES, MAX_SELECTOR_NODES>,
    const MAX_NODES: usize,
    const MAX_STACK: usize,
    const MAX_ROOTS: usize,
    const MAX_IDS: usize,
    const MAX_CLASSES: usize,
    const MAX_SELECTOR_NODES: usize,
>
    QuerySelectorIterator<
        'a,
        'b,
        Q,
        MAX_NODES,
        MAX_STACK,
        MAX_ROOTS,
        MAX_IDS,
        MAX_CLASSES,
        MAX_SELECTOR_NODES,
    >
{
    /// Creates a new query selector iterator
    pub fn new(
        selector: Selector<'b, MAX_SELECTOR_NODES>,
        parser: &'b Parser<
            'a,
            MAX_NODES,
            MAX_STACK,
            MAX_ROOTS,
            MAX_IDS,
            MAX_CLASSES,
            MAX_SELECTOR_NODES,
        >,
        collection: &'b Q,
    ) -> Self {
        Self {
            selector,
            collection,
            index: 0,
            len: collection.len(parser),
            parser,
            _a: PhantomData,
        }
    }
}

impl<
    'a,
    'b,
    Q: QueryIterable<'a, MAX_NODES, MAX_STACK, MAX_ROOTS, MAX_IDS, MAX_CLASSES, MAX_SELECTOR_NODES>,
    const MAX_NODES: usize,
    const MAX_STACK: usize,
    const MAX_ROOTS: usize,
    const MAX_IDS: usize,
    const MAX_CLASSES: usize,
    const MAX_SELECTOR_NODES: usize,
> Iterator
    for QuerySelectorIterator<
        'a,
        'b,
        Q,
        MAX_NODES,
        MAX_STACK,
        MAX_ROOTS,
        MAX_IDS,
        MAX_CLASSES,
        MAX_SELECTOR_NODES,
    >
{
    type Item = NodeHandle;

    fn next(&mut self) -> Option<Self::Item> {
        while asm_core::usize_lt(self.index, self.len) {
            let node = self.collection.get(self.parser, self.index);
            self.index = asm_core::usize_add(self.index, 1);
            if let Some((node, id)) = node {
                let matches = self.selector.matches(node);

                if matches {
                    return Some(id);
                }
            }
        }

        None
    }
}