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//! ref: composer/src/Composer/Package/Loader/JsonLoader.php
use crate::json::JsonFile;
use crate::package::PackageInterfaceHandle;
use crate::package::loader::LoaderInterface;
use anyhow::Result;
use std::path::Path;
pub enum JsonLoaderInput {
File(JsonFile),
String(String),
}
pub struct JsonLoader {
loader: Box<dyn LoaderInterface>,
}
impl JsonLoader {
pub fn new(loader: Box<dyn LoaderInterface>) -> Self {
Self { loader }
}
pub fn load(&self, json: JsonLoaderInput) -> Result<PackageInterfaceHandle> {
let config = match json {
JsonLoaderInput::File(mut json_file) => json_file.read()?,
JsonLoaderInput::String(ref s) if Path::new(s).exists() => {
let contents = std::fs::read_to_string(s)?;
JsonFile::parse_json(Some(&contents), Some(s))?
}
JsonLoaderInput::String(ref s) => JsonFile::parse_json(Some(s), None)?,
};
// TODO(phase-b): JsonFile::parse_json returns PhpMixed; loader::load expects IndexMap
let _ = config;
self.loader.load(indexmap::IndexMap::new(), None)
}
}
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