mirror of https://github.com/zkat/miette.git
39 lines
1.1 KiB
Rust
39 lines
1.1 KiB
Rust
use crate::Source;
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/// Utility struct for when you have a regular [Source] type, such as a String,
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/// that doesn't implement `name`, or if you want to override the `.name()`
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/// returned by the `Source`.
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#[derive(Debug)]
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pub struct NamedSource {
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source: Box<dyn Source + Send + Sync + 'static>,
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name: String,
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}
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impl NamedSource {
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/// Create a new [NamedSource] using a regular [Source] and giving it a [Source::name].
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pub fn new(name: impl AsRef<str>, source: impl Source + Send + Sync + 'static) -> Self {
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Self {
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source: Box::new(source),
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name: name.as_ref().to_string(),
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}
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}
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/// Returns a reference the inner [Source] type for this [NamedSource].
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pub fn inner(&self) -> &(dyn Source + Send + Sync + 'static) {
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&*self.source
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}
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}
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impl Source for NamedSource {
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fn read_span<'a>(
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&'a self,
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span: &crate::SourceSpan,
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) -> Result<Box<dyn crate::SpanContents + 'a>, crate::MietteError> {
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self.source.read_span(span)
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}
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fn name(&self) -> Option<String> {
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Some(self.name.clone())
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}
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}
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