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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
use l10nregistry::source::{FileFetcher, ResourceId};
use std::{borrow::Cow, io};
pub struct GeckoFileFetcher;
fn try_string_from_box_u8(input: Box<[u8]>) -> io::Result<String> {
String::from_utf8(input.into())
.map_err(|err| io::Error::new(io::ErrorKind::InvalidData, err.utf8_error()))
}
// For historical reasons we maintain a locale in Firefox with a codename `ja-JP-mac`.
// This string is an invalid BCP-47 language tag, so we don't store it in Gecko, which uses
// valid BCP-47 tags only, but rather keep that quirk local to Gecko L10nRegistry file fetcher.
//
// Here, if we encounter `ja-JP-macos` (valid BCP-47), we swap it for `ja-JP-mac`.
//
fn get_path_for_gecko<'s>(input: &'s str) -> Cow<'s, str> {
if input.contains("ja-JP-macos") {
input.replace("ja-JP-macos", "ja-JP-mac").into()
} else {
input.into()
}
}
#[async_trait::async_trait(?Send)]
impl FileFetcher for GeckoFileFetcher {
fn fetch_sync(&self, resource_id: &ResourceId) -> io::Result<String> {
let path = get_path_for_gecko(&resource_id.value);
crate::load::load_sync(path).and_then(try_string_from_box_u8)
}
async fn fetch(&self, resource_id: &ResourceId) -> io::Result<String> {
let path = get_path_for_gecko(&resource_id.value);
crate::load::load_async(path)
.await
.and_then(try_string_from_box_u8)
}
}
pub struct MockFileFetcher {
fs: Vec<(String, String)>,
}
impl MockFileFetcher {
pub fn new(fs: Vec<(String, String)>) -> Self {
Self { fs }
}
}
#[async_trait::async_trait(?Send)]
impl FileFetcher for MockFileFetcher {
fn fetch_sync(&self, resource_id: &ResourceId) -> io::Result<String> {
for (p, source) in &self.fs {
if p == &resource_id.value {
return Ok(source.clone());
}
}
Err(io::Error::new(io::ErrorKind::NotFound, "File not found"))
}
async fn fetch(&self, resource_id: &ResourceId) -> io::Result<String> {
self.fetch_sync(resource_id)
}
}