Localisations in an HashMap

Cargo.toml

@@ -6,3 +6,9 @@ authors = ["Alessandro Pellizzari <alex@amiran.it>"]
 [dependencies]
 chrono = "0.4"
 num-integer = { version = "0.1", default-features = false }
+lazy_static = "1.2"
+
+[build-dependencies]
+serde = "1"
+serde_json = "1"
+walkdir = "2"

build.rs

@@ -0,0 +1,62 @@
+extern crate walkdir;
+
+use std::env;
+use std::fs::File;
+use std::io::Write;
+use std::path::Path;
+
+use walkdir::WalkDir;
+
+pub struct Locale {
+	short_months: Vec<String>,
+	long_months: Vec<String>,
+	short_weekdays: Vec<String>,
+	long_weekdays: Vec<String>,
+}
+
+
+fn main() {
+	let out_dir = env::var("OUT_DIR").unwrap();
+	let dest_path = Path::new(&out_dir).join("locales.rs");
+	let mut f = File::create(&dest_path).unwrap();
+
+	f.write_all(r###"
+		use std::collections::HashMap;
+
+		pub type Locales = HashMap<String, Locale>;
+
+		pub struct Locale {
+			short_months: Vec<String>,
+			long_months: Vec<String>,
+			short_weekdays: Vec<String>,
+			long_weekdays: Vec<String>,
+		}
+
+		lazy_static! {
+			static ref LOCALES: Locales = {
+				let mut res = HashMap::new();
+"###.as_bytes()).unwrap();
+
+
+	println!("Building...");
+	for entry in WalkDir::new("locales") {
+		let entry = entry.unwrap();
+		println!("{}", entry.path().display());
+
+		if entry.path().extension().map(|e| e != "json").unwrap_or(false) {
+			println!("Not a json file");
+			continue
+		}
+
+
+
+	}
+
+
+	f.write_all(r###"
+
+				res
+			};
+		}
+    "###.as_bytes()).unwrap();
+}

locales/en.json

@@ -0,0 +1,48 @@
+{
+	"short_months": [
+		"Jan",
+		"Feb",
+		"Mar",
+		"Apr",
+		"May",
+		"Jun",
+		"Jul",
+		"Aug",
+		"Sep",
+		"Oct",
+		"Nov",
+		"Dec"
+	],
+	"long_months": [
+		"January",
+		"February",
+		"March",
+		"April",
+		"May",
+		"June",
+		"July",
+		"August",
+		"September",
+		"October",
+		"November",
+		"December"
+	],
+	"short_weekdays": [
+		"Mon",
+		"Tue",
+		"Wed",
+		"Thu",
+		"Fri",
+		"Sat",
+		"Sun"
+	],
+	"long_weekdays": [
+		"Monday",
+		"Tuesday",
+		"Wednesday",
+		"Thursday",
+		"Friday",
+		"Saturday",
+		"Sunday"
+	]
+}

src/lib.rs

@@ -1,3 +1,5 @@
+#[macro_use]
+extern crate lazy_static;
 extern crate chrono;
 extern crate num_integer;
 
@@ -7,6 +9,8 @@ use chrono::format::{Fixed, Item, Numeric, Pad, StrftimeItems};
 use chrono::{Datelike, FixedOffset, NaiveDate, NaiveTime, Offset, TimeZone, Timelike};
 use num_integer::{div_floor, mod_floor};
 
+mod locales;
+
 pub trait LocaleDate {
 	fn formatl<'a>(&self, fmt: &'a str, locale: &str) -> DelayedFormatL10n<StrftimeItems<'a>>;
 }

src/locales.rs

@@ -0,0 +1,53 @@
+// This file will be overwritten by build.rs during compilation
+
+use std::collections::HashMap;
+
+pub type Locales = HashMap<String, Locale>;
+
+pub struct Locale {
+	short_months: Vec<String>,
+	long_months: Vec<String>,
+	short_weekdays: Vec<String>,
+	long_weekdays: Vec<String>,
+}
+
+lazy_static! {
+	static ref LOCALES: Locales = {
+		let mut res = HashMap::new();
+		res.insert(
+			"en".into(),
+			Locale {
+				short_months: vec!["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
+					.into_iter()
+					.map(|s| s.to_owned())
+					.collect::<Vec<String>>(),
+				long_months: vec![
+					"January",
+					"February",
+					"March",
+					"April",
+					"May",
+					"June",
+					"July",
+					"August",
+					"September",
+					"October",
+					"November",
+					"December",
+				].into_iter()
+				.map(|s| s.to_owned())
+				.collect::<Vec<String>>(),
+				short_weekdays: vec!["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]
+					.into_iter()
+					.map(|s| s.to_owned())
+					.collect::<Vec<String>>(),
+				long_weekdays: vec!["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]
+					.into_iter()
+					.map(|s| s.to_owned())
+					.collect::<Vec<String>>(),
+			},
+		);
+
+		res
+	};
+}