vize_l1 0.439.0

L1 - the lossless Vue-template surface tree (codename Sinopia, Davinci P2-7)
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

use super::{
    Attribute, Element, NativeAttribute, NativeAttributeOperandError, NativeTemplateComponent,
    NativeTemplateGrammar, SourceBlock, SourceError, Span,
};
use crate::ElementClose;

pub(super) struct Origin<'a> {
    pub(super) block: SourceBlock<'a>,
    template_index: usize,
    grammar: NativeTemplateGrammar,
    element: *const Element<'a>,
    attribute: *const Attribute<'a>,
    ordinal: usize,
    raw_name: &'a str,
    pub(super) name_span: Span,
    pub(super) raw_value: &'a str,
    pub(super) value_span: Span,
}
impl<'a> Origin<'a> {
    /// Preserve original membership/recovery/verbatim precedence before dialect selection.
    pub(super) fn check_original_header(
        selected: &NativeTemplateComponent<'a>,
        attribute: &NativeAttribute<'_, 'a>,
    ) -> Result<(), NativeAttributeOperandError> {
        if !core::ptr::eq(attribute.component(), selected.component()) {
            return Err(NativeAttributeOperandError::ForeignComponent);
        }
        let carrier = selected.component().carrier();
        if !carrier.errors.is_empty() || !carrier.unsupported.is_empty() {
            return Err(NativeAttributeOperandError::RecoveredComponent);
        }
        // Node/token holes are retained on the original surface even when the
        // parser has no diagnostic row. Inspect only this actual header/extent.
        let element = attribute.element();
        if element.open.lt_name.is_missing()
            || element.open.gt.is_missing()
            || element
                .open
                .slash
                .as_ref()
                .is_some_and(|slash| slash.is_missing())
            || match &element.close {
                ElementClose::Missing => true,
                ElementClose::Present(close) => {
                    close.lt_slash_name.is_missing() || close.gt.is_missing()
                }
                ElementClose::Implicit | ElementClose::NotExpected => false,
            }
        {
            return Err(NativeAttributeOperandError::RecoveredComponent);
        }
        if attribute.element().open.is_verbatim() {
            return Err(NativeAttributeOperandError::Verbatim);
        }
        Ok(())
    }

    pub(super) fn from_attribute(
        selected: &NativeTemplateComponent<'a>,
        attribute: &NativeAttribute<'_, 'a>,
    ) -> Result<Self, NativeAttributeOperandError> {
        let surface = attribute.surface();
        let value = surface
            .value
            .as_ref()
            .ok_or(NativeAttributeOperandError::IncompleteValue)?;
        if surface.name.is_missing()
            || surface.eq.as_ref().is_none_or(|eq| eq.is_missing())
            || value.content.is_missing()
            || value
                .open_quote
                .as_ref()
                .is_some_and(|quote| quote.is_missing())
            || value
                .close_quote
                .as_ref()
                .is_some_and(|quote| quote.is_missing())
            || value.open_quote.is_some() != value.close_quote.is_some()
        {
            return Err(NativeAttributeOperandError::IncompleteValue);
        }
        let block = selected.component().block();
        let name_span =
            block
                .span_of(surface.name.text)
                .ok_or(NativeAttributeOperandError::Source(
                    SourceError::InvalidAuthoredSpan,
                ))?;
        let value_span =
            block
                .span_of(value.content.text)
                .ok_or(NativeAttributeOperandError::Source(
                    SourceError::InvalidAuthoredSpan,
                ))?;
        Ok(Self {
            block,
            template_index: selected.template_index(),
            grammar: selected.grammar(),
            element: attribute.element(),
            attribute: surface,
            ordinal: attribute.ordinal(),
            raw_name: surface.name.text,
            name_span,
            raw_value: value.content.text,
            value_span,
        })
    }
    pub(super) fn matches(
        &self,
        selected: &NativeTemplateComponent<'a>,
        attribute: &NativeAttribute<'_, 'a>,
    ) -> bool {
        let block = selected.component().block();
        core::ptr::eq(attribute.component(), selected.component())
            && core::ptr::eq(self.element, attribute.element())
            && core::ptr::eq(self.attribute, attribute.surface())
            && self.ordinal == attribute.ordinal()
            && self.template_index == selected.template_index()
            && self.grammar == selected.grammar()
            && self.block.start() == block.start()
            && core::ptr::eq(self.block.root_source(), block.root_source())
            && core::ptr::eq(self.block.source(), block.source())
            && core::ptr::eq(self.raw_name, attribute.surface().name.text)
            && block.span_of(attribute.surface().name.text) == Some(self.name_span)
            && attribute.surface().value.as_ref().is_some_and(|value| {
                core::ptr::eq(self.raw_value, value.content.text)
                    && block.span_of(value.content.text) == Some(self.value_span)
            })
    }
}