rototo 0.1.0-alpha.4

Control plane for runtime configuration of your application.
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

mod diagnostics;
mod json;
mod location;
mod toml;

use std::borrow::Cow;
use std::collections::BTreeMap;

use crate::diagnostics::{DocId, LintDiagnostic};

use super::source::{DocumentKind, SourceStore};

pub(super) use location::{item_location, table_location, value_location};

#[derive(Default)]
pub(super) struct SyntaxIndex {
    pub(super) toml: BTreeMap<DocId, ParsedToml>,
    pub(super) json: BTreeMap<DocId, ::serde_json::Value>,
}

pub(super) struct ParsedToml {
    #[allow(dead_code)]
    pub(super) doc: DocId,
    pub(super) spanned_root: SpannedTomlValue,
}

pub(super) struct SpannedTomlValue {
    inner: ::toml_span::Value<'static>,
}

impl ParsedToml {
    pub(super) fn new(doc: DocId, value: ::toml_span::Value<'_>) -> Self {
        Self {
            doc,
            spanned_root: SpannedTomlValue {
                inner: own_toml_span_value(value),
            },
        }
    }

    pub(super) fn root(&self) -> &::toml_span::Value<'static> {
        &self.spanned_root.inner
    }

    pub(super) fn root_table(&self) -> Option<&::toml_span::value::Table<'static>> {
        self.root().as_table()
    }

    pub(super) fn to_plain_toml(&self) -> ::toml::Value {
        plain_toml_from_span_value(self.root())
    }
}

pub(super) fn parse_sources(
    source: &SourceStore,
    diagnostics: &mut Vec<LintDiagnostic>,
) -> SyntaxIndex {
    let mut syntax = SyntaxIndex::default();
    for document in source.documents.values() {
        if let Some(read_error) = &document.read_error {
            if !matches!(&document.kind, DocumentKind::CustomLint) {
                diagnostics.push(diagnostics::read_error_diagnostic(document, read_error));
            }
            continue;
        }

        match &document.kind {
            DocumentKind::Manifest
            | DocumentKind::Qualifier { .. }
            | DocumentKind::Variable { .. }
            | DocumentKind::Resource { .. }
            | DocumentKind::ResourceObject { .. } => {
                toml::parse_toml_document(document, &mut syntax, diagnostics);
            }
            DocumentKind::Schema => {
                json::parse_json_document(document, &mut syntax, diagnostics);
            }
            DocumentKind::CustomLint => {}
        }
    }
    syntax
}

fn own_toml_span_value(value: ::toml_span::Value<'_>) -> ::toml_span::Value<'static> {
    let mut value = value;
    let span = value.span;
    let owned = match value.take() {
        ::toml_span::value::ValueInner::String(value) => {
            ::toml_span::value::ValueInner::String(Cow::Owned(value.into_owned()))
        }
        ::toml_span::value::ValueInner::Integer(value) => {
            ::toml_span::value::ValueInner::Integer(value)
        }
        ::toml_span::value::ValueInner::Float(value) => {
            ::toml_span::value::ValueInner::Float(value)
        }
        ::toml_span::value::ValueInner::Boolean(value) => {
            ::toml_span::value::ValueInner::Boolean(value)
        }
        ::toml_span::value::ValueInner::Array(values) => ::toml_span::value::ValueInner::Array(
            values.into_iter().map(own_toml_span_value).collect(),
        ),
        ::toml_span::value::ValueInner::Table(table) => ::toml_span::value::ValueInner::Table(
            table
                .into_iter()
                .map(|(key, value)| {
                    (
                        ::toml_span::value::Key {
                            name: Cow::Owned(key.name.into_owned()),
                            span: key.span,
                        },
                        own_toml_span_value(value),
                    )
                })
                .collect(),
        ),
    };

    ::toml_span::Value::with_span(owned, span)
}

pub(super) fn plain_toml_from_span_value(value: &::toml_span::Value<'_>) -> ::toml::Value {
    match value.as_ref() {
        ::toml_span::value::ValueInner::String(value) => ::toml::Value::String(value.to_string()),
        ::toml_span::value::ValueInner::Integer(value) => ::toml::Value::Integer(*value),
        ::toml_span::value::ValueInner::Float(value) => ::toml::Value::Float(*value),
        ::toml_span::value::ValueInner::Boolean(value) => ::toml::Value::Boolean(*value),
        ::toml_span::value::ValueInner::Array(values) => ::toml::Value::Array(
            values
                .iter()
                .map(plain_toml_from_span_value)
                .collect::<Vec<_>>(),
        ),
        ::toml_span::value::ValueInner::Table(table) => {
            let mut plain = ::toml::map::Map::new();
            for (key, value) in table {
                plain.insert(key.name.to_string(), plain_toml_from_span_value(value));
            }
            ::toml::Value::Table(plain)
        }
    }
}