#[macro_use] extern crate serde_derive;
extern crate serde;
extern crate serde_json;
extern crate phf_codegen;
use std::env;
use std::fs::File;
use std::io::{BufWriter, Write, Read};
use std::path::Path;
#[derive(Deserialize)]
struct Emoji {
#[serde(rename(deserialize = "char"))]
character: String,
name: String,
}
fn main() {
let out_dir = env::var("OUT_DIR").unwrap();
let path = Path::new(&out_dir).join("emojis.rs");
let mut file = BufWriter::new(File::create(&path).unwrap());
let mut emoji_file = File::open("emojis.json").expect("Can't open emoji file");
let mut buffer = String::new();
emoji_file.read_to_string(&mut buffer).expect("Can't read emoji file");
let emojis : Vec<Emoji> = serde_json::from_str(&buffer).expect("Invalid JSON im emoji file");
write!(&mut file, "/// Compile time generated lookup table for Emojis.\n").unwrap();
write!(&mut file, "/// \n").unwrap();
write!(&mut file, "static EMOJIS: phf::Map<u8, (&'static str, &'static str)> = ").unwrap();
let mut m = phf_codegen::Map::new();
assert!(emojis.len() >= 255);
for (idx, emoji) in emojis.iter().enumerate().take(256) {
let out = format!("({:?}, {:?})", emoji.character, emoji.name);
m.entry(idx as u8, &out);
}
m.build(&mut file).unwrap();
write!(&mut file, ";\n").unwrap();
}