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use std::path::Path;
/// Represents the source of a Pkl module to evaluate.
#[derive(Debug, Clone)]
pub enum ModuleSource {
/// A file path to a .pkl file.
File(String),
/// Inline Pkl source text with an optional name URI.
Text { uri: String, text: String },
/// A URI pointing to a module.
Uri(String),
}
impl ModuleSource {
/// Create a ModuleSource from a file path.
pub fn file(path: impl AsRef<Path>) -> Self {
let abs = std::fs::canonicalize(path.as_ref())
.unwrap_or_else(|_| path.as_ref().to_path_buf());
Self::File(abs.display().to_string())
}
/// Create a ModuleSource from inline text.
pub fn text(text: impl Into<String>) -> Self {
Self::Text {
uri: "repl:text".into(),
text: text.into(),
}
}
/// Create a ModuleSource from inline text with a custom name.
pub fn text_with_uri(uri: impl Into<String>, text: impl Into<String>) -> Self {
Self::Text {
uri: uri.into(),
text: text.into(),
}
}
/// Create a ModuleSource from a URI.
pub fn uri(uri: impl Into<String>) -> Self {
Self::Uri(uri.into())
}
/// Get the module URI for the request.
pub fn module_uri(&self) -> String {
match self {
Self::File(path) => format!("file://{path}"),
Self::Text { uri, .. } => uri.clone(),
Self::Uri(uri) => uri.clone(),
}
}
/// Get the module text, if this is an inline source.
pub fn module_text(&self) -> Option<&str> {
match self {
Self::Text { text, .. } => Some(text),
_ => None,
}
}
}