54 lines
1.5 KiB
Rust
54 lines
1.5 KiB
Rust
use std::collections::HashMap;
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use simplexpr::SimplExpr;
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use crate::{
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config::attributes::AttrEntry,
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error::AstResult,
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parser::{
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ast::{Ast, AstIterator, Span},
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from_ast::FromAst,
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},
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spanned,
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value::AttrName,
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};
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use super::attributes::Attributes;
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#[derive(Debug, PartialEq, Eq, Clone, serde::Serialize)]
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pub struct WidgetUse {
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pub name: String,
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pub attrs: Attributes,
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pub children: Vec<WidgetUse>,
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pub span: Span,
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}
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impl FromAst for WidgetUse {
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fn from_ast(e: Ast) -> AstResult<Self> {
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let span = e.span();
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spanned!(e.span(), {
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if let Ok(text) = e.as_literal_ref() {
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Self {
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name: "text".to_string(),
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attrs: Attributes::new(
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span.into(),
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maplit::hashmap! {
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AttrName("text".to_string()) => AttrEntry::new(
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span.into(),
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SimplExpr::Literal(span.into(), text.clone())
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)
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},
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),
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children: Vec::new(),
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span,
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}
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} else {
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let mut iter = e.try_ast_iter()?;
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let (_, name) = iter.expect_symbol()?;
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let attrs = iter.expect_key_values()?;
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let children = iter.map(WidgetUse::from_ast).collect::<AstResult<Vec<_>>>()?;
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Self { name, attrs, children, span }
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}
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})
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}
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}
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