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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 super::language_info::LanguageInfo;
use super::zip::{read_archive_file_as_string, read_zip};
use crate::config::installation_resource_path;
use crate::std::io::{BufRead, BufReader};
use anyhow::Context;
use once_cell::unsync::Lazy;
/// Read the appropriate localization fluent definitions from the omnijar files.
///
/// Returns language information if found in adjacent omnijar files.
pub fn read() -> anyhow::Result<LanguageInfo> {
let mut path = installation_resource_path().join("omni.ja");
let mut zip = read_zip(&path)?;
let buf = BufReader::new(
zip.by_name("res/multilocale.txt")
.context("failed to read multilocale file in zip archive")?,
);
let line = buf
.lines()
.next()
.ok_or(anyhow::anyhow!("multilocale file was empty"))?
.context("failed to read first line of multilocale file")?;
let locales = line.split(",").map(|s| s.trim());
let (identifier, ftl_definitions) = 'defs: {
for locale in locales.clone() {
match read_archive_file_as_string(
&mut zip,
&format!("localization/{locale}/crashreporter/crashreporter.ftl"),
) {
Ok(v) => break 'defs (locale.to_owned(), v),
Err(e) => log::warn!("failed to get localized strings for {locale}: {e:#}"),
}
}
anyhow::bail!("failed to find any usable localized strings in the omnijar")
};
// Firefox branding is in the browser omnijar.
path.pop();
path.push("browser");
path.push("omni.ja");
let mut browser_omnijar = Lazy::new(|| match read_zip(&path) {
Err(e) => {
log::debug!("no browser omnijar found at {}: {e:#}", path.display());
None
}
Ok(z) => Some(z),
});
let ftl_branding = 'branding: {
for locale in locales {
let brand_file = format!("localization/{locale}/branding/brand.ftl");
let result = read_archive_file_as_string(&mut zip, &brand_file).or_else(|e| {
match &mut *browser_omnijar {
Some(browser_zip) => {
log::debug!(
"failed to read branding for {locale} from main omnijar ({e:#}), trying browser omnijar"
);
read_archive_file_as_string(browser_zip, &brand_file)
}
None => Err(e)
}
});
match result {
Ok(b) => break 'branding b,
Err(e) => log::warn!("failed to read branding for {locale} from omnijar: {e:#}"),
}
}
log::info!("using fallback branding info");
LanguageInfo::default().ftl_branding
};
Ok(LanguageInfo {
identifier,
ftl_definitions,
ftl_branding,
})
}