anki/rslib/i18n/build/gather.rs
Damien Elmes 943dddf28f
Update Rust deps (#2332)
* Temporarily disable hakari

* Upgrade compatible deps except Chrono

* Update semver-incompatible crates

* Re-enable hakari

* Update licenses & cargo-deny

* Fix new clippy lints

* Update to latest Rust
2023-01-18 22:24:29 +10:00

85 lines
3.2 KiB
Rust

// Copyright: Ankitects Pty Ltd and contributors
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
//! By default, the Qt translations will be included in rslib. EXTRA_FTL_ROOT
//! can be set to an external folder so the mobile clients can use their own
//! translations instead.
use std::collections::HashMap;
use std::fs;
use std::path::Path;
use std::path::PathBuf;
pub type TranslationsByFile = HashMap<String, String>;
pub type TranslationsByLang = HashMap<String, TranslationsByFile>;
/// Read the contents of the FTL files into a TranslationMap structure.
pub fn get_ftl_data() -> TranslationsByLang {
let mut map = TranslationsByLang::default();
// English core templates are taken from this repo
let ftl_base = source_tree_root();
add_folder(&mut map, &ftl_base.join("core"), "templates");
// And core translations from submodule
add_translation_root(&mut map, &ftl_base.join("core-repo/core"), true);
if let Some(path) = extra_ftl_root() {
// Mobile client has requested its own extra translations
add_translation_root(&mut map, &path, false);
// In a debug build, also include the Qt translations so that our Python unit
// tests pass.
if std::env::var("RELEASE").is_err() {
add_folder(&mut map, &ftl_base.join("qt"), "templates");
}
} else {
// Qt core templates from this repo
add_folder(&mut map, &ftl_base.join("qt"), "templates");
// And translations from submodule
add_translation_root(&mut map, &ftl_base.join("qt-repo/desktop"), true)
}
map
}
/// For each .ftl file in the provided folder, add it to the translation map.
fn add_folder(map: &mut TranslationsByLang, folder: &Path, lang: &str) {
let map_entry = map.entry(lang.to_string()).or_default();
for entry in fs::read_dir(folder).unwrap() {
let entry = entry.unwrap();
let fname = entry.file_name().to_string_lossy().to_string();
if !fname.ends_with(".ftl") {
continue;
}
let module = fname.trim_end_matches(".ftl").replace('-', "_");
let text = fs::read_to_string(entry.path()).unwrap();
assert!(
text.ends_with('\n'),
"file was missing final newline: {:?}",
entry
);
map_entry.entry(module).or_default().push_str(&text);
println!("cargo:rerun-if-changed={}", entry.path().to_str().unwrap());
}
}
/// For each language folder in `root`, add the ftl files stored inside.
/// If ignore_templates is true, the templates/ folder will be ignored, on the
/// assumption the templates were extracted from the source tree.
fn add_translation_root(map: &mut TranslationsByLang, root: &Path, ignore_templates: bool) {
for entry in fs::read_dir(root).unwrap() {
let entry = entry.unwrap();
let lang = entry.file_name().to_string_lossy().to_string();
if ignore_templates && lang == "templates" {
continue;
}
add_folder(map, &entry.path(), &lang);
}
}
fn source_tree_root() -> PathBuf {
PathBuf::from("../../ftl")
}
fn extra_ftl_root() -> Option<PathBuf> {
std::env::var("EXTRA_FTL_ROOT").ok().map(PathBuf::from)
}