fluidattacks-blends-domain 0.35.0

Blends functional core: pure AST graph to syntax graph (no_std)
Documentation 
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use crate::{
    query::{label_text, match_ast_d},
    syntax::{
        builders::import_statement::{build_import_node, ImportElement},
        SyntaxGraphArgs, SyntaxGraphError,
    },
    utilities::text_nodes::node_to_str,
    NodeId,
};
use alloc::borrow::ToOwned;
use alloc::string::String;

pub fn reader(
    args: &mut SyntaxGraphArgs<'_>,
    n_id: NodeId,
) -> Result<Option<NodeId>, SyntaxGraphError> {
    let graph = args.ast_graph;

    let mut expression = match_ast_d(graph, n_id, "qualified_identifier", Some(1))
        .or_else(|| match_ast_d(graph, n_id, "identifier", Some(1)))
        .map_or_else(String::new, |identifier| node_to_str(graph, identifier));

    let alias = match_ast_d(graph, n_id, "import_alias", Some(1))
        .and_then(|alias_n_id| match_ast_d(graph, alias_n_id, "type_identifier", Some(1)))
        .and_then(|type_id| label_text(graph, type_id))
        .map(str::to_owned);

    if match_ast_d(graph, n_id, ".*", Some(1)).is_some() {
        expression.push_str(".*");
    }

    build_import_node(
        args,
        n_id,
        &ImportElement {
            expression: Some(expression),
            alias,
            ..ImportElement::default()
        },
    )
    .map(Some)
}