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#[proc_macro]
#[cfg(feature = "gettext-system")]
pub fn gettext_language_loader(_: proc_macro::TokenStream) -> proc_macro::TokenStream {
let manifest = find_crate::Manifest::new().expect("Error reading Cargo.toml");
let current_crate_package = manifest.crate_package().expect("Error reading Cargo.toml");
let i18n_embed_crate_name = if current_crate_package.name == "i18n_embed" {
"i18n_embed".to_string()
} else {
manifest
.find(|s| s == "i18n-embed")
.expect("i18n-embed should be an active dependency in your Cargo.toml")
.name
};
let i18n_embed_crate_ident =
syn::Ident::new(&i18n_embed_crate_name, proc_macro2::Span::call_site());
let config_file_path = std::path::PathBuf::from("i18n.toml");
let config = i18n_config::I18nConfig::from_file(&config_file_path).unwrap_or_else(|err| {
panic!(
"gettext_language_loader!() had a problem reading config file {0:?}: {1}",
config_file_path, err
)
});
let fallback_language = syn::LitStr::new(
&config.fallback_language.to_string(),
proc_macro2::Span::call_site(),
);
let gen = quote::quote! {
#i18n_embed_crate_ident::gettext::GettextLanguageLoader::new(
module_path!(),
#fallback_language.parse().unwrap(),
)
};
gen.into()
}
#[proc_macro]
#[cfg(feature = "fluent-system")]
pub fn fluent_language_loader(_: proc_macro::TokenStream) -> proc_macro::TokenStream {
let manifest = find_crate::Manifest::new().expect("Error reading Cargo.toml");
let current_crate_package = manifest.crate_package().expect("Error reading Cargo.toml");
let domain = syn::LitStr::new(¤t_crate_package.name, proc_macro2::Span::call_site());
let i18n_embed_crate_name = if current_crate_package.name == "i18n_embed" {
"i18n_embed".to_string()
} else {
manifest
.find(|s| s == "i18n-embed")
.expect("i18n-embed should be an active dependency in your Cargo.toml")
.name
};
let i18n_embed_crate_ident =
syn::Ident::new(&i18n_embed_crate_name, proc_macro2::Span::call_site());
let config_file_path = std::path::PathBuf::from("i18n.toml");
let config = i18n_config::I18nConfig::from_file(&config_file_path).unwrap_or_else(|err| {
panic!(
"fluent_language_loader!() had a problem reading config file {0:?}: {1}",
config_file_path, err
)
});
let fallback_language = syn::LitStr::new(
&config.fallback_language.to_string(),
proc_macro2::Span::call_site(),
);
let gen = quote::quote! {
#i18n_embed_crate_ident::fluent::FluentLanguageLoader::new(
#domain,
#fallback_language.parse().unwrap(),
)
};
gen.into()
}