35 lines
907 B
Rust
35 lines
907 B
Rust
use proc_macro2::TokenStream;
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use quote::{format_ident, quote};
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use std::{collections::BTreeMap, fs};
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pub fn build() -> TokenStream {
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println!("cargo:rerun-if-changed=../assets/en_us.json");
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let en_us: BTreeMap<String, String> = serde_json::from_str(
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&fs::read_to_string("../assets/en_us.json").expect("en_us is missing"),
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)
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.unwrap();
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let mut constants = TokenStream::new();
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for (name, value) in &en_us {
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let clean_name = name.to_uppercase().replace(['.', '-'], "_");
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let ident = format_ident!("{}", clean_name);
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if value.is_empty() {
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constants.extend(quote! {
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pub const #ident: &str = #name;
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});
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} else {
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constants.extend(quote! {
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#[doc = #value]
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pub const #ident: &str = #name;
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});
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}
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}
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quote! {
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#constants
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}
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}
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