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authorKirill Chibisov <contact@kchibisov.com>2020-07-11 20:03:09 +0300
committerGitHub <noreply@github.com>2020-07-11 20:03:09 +0300
commit18cf806a27f06185b1ceb2d63f3b9bc2dd3dc80e (patch)
tree6609ca3aec4fe8da171de474a4a8e8d9b572f0e5 /alacritty_terminal/src/locale.rs
parent5f039cee49b9c817177c6feecc5e7d97fb0a57e1 (diff)
Remove gui dependencies from alacritty_terminal
This commit removes font dependency from alacritty_terminal, so it'll simplify the usage of alacritty_terminal as a library, since you won't link to system's libraries anymore. It also moves many alacritty related config options from it. Fixes #3393.
Diffstat (limited to 'alacritty_terminal/src/locale.rs')
-rw-r--r--alacritty_terminal/src/locale.rs99
1 files changed, 0 insertions, 99 deletions
diff --git a/alacritty_terminal/src/locale.rs b/alacritty_terminal/src/locale.rs
deleted file mode 100644
index 0a72e775..00000000
--- a/alacritty_terminal/src/locale.rs
+++ /dev/null
@@ -1,99 +0,0 @@
-#![allow(clippy::let_unit_value)]
-
-use std::env;
-use std::ffi::{CStr, CString};
-use std::os::raw::c_char;
-use std::slice;
-use std::str;
-
-use libc::{setlocale, LC_ALL, LC_CTYPE};
-use log::debug;
-use objc::runtime::{Class, Object};
-
-const FALLBACK_LOCALE: &str = "UTF-8";
-
-pub fn set_locale_environment() {
- let env_locale_c = CString::new("").unwrap();
- let env_locale_ptr = unsafe { setlocale(LC_ALL, env_locale_c.as_ptr()) };
- if !env_locale_ptr.is_null() {
- let env_locale = unsafe { CStr::from_ptr(env_locale_ptr).to_string_lossy() };
-
- // Assume `C` locale means unchanged, since it is the default anyways.
- if env_locale != "C" {
- debug!("Using environment locale: {}", env_locale);
- return;
- }
- }
-
- let system_locale = system_locale();
-
- // Set locale to system locale.
- let system_locale_c = CString::new(system_locale.clone()).expect("nul byte in system locale");
- let lc_all = unsafe { setlocale(LC_ALL, system_locale_c.as_ptr()) };
-
- // Check if system locale was valid or not.
- if lc_all.is_null() {
- // Use fallback locale.
- debug!("Using fallback locale: {}", FALLBACK_LOCALE);
-
- let fallback_locale_c = CString::new(FALLBACK_LOCALE).unwrap();
- unsafe { setlocale(LC_CTYPE, fallback_locale_c.as_ptr()) };
-
- env::set_var("LC_CTYPE", FALLBACK_LOCALE);
- } else {
- // Use system locale.
- debug!("Using system locale: {}", system_locale);
-
- env::set_var("LC_ALL", system_locale);
- }
-}
-
-/// Determine system locale based on language and country code.
-fn system_locale() -> String {
- unsafe {
- let locale_class = Class::get("NSLocale").unwrap();
- let locale: *const Object = msg_send![locale_class, currentLocale];
- let _: () = msg_send![locale_class, release];
-
- // `localeIdentifier` returns extra metadata with the locale (including currency and
- // collator) on newer versions of macOS. This is not a valid locale, so we use
- // `languageCode` and `countryCode`, if they're available (macOS 10.12+):
- //
- // https://developer.apple.com/documentation/foundation/nslocale/1416263-localeidentifier?language=objc
- // https://developer.apple.com/documentation/foundation/nslocale/1643060-countrycode?language=objc
- // https://developer.apple.com/documentation/foundation/nslocale/1643026-languagecode?language=objc
- let is_language_code_supported: bool =
- msg_send![locale, respondsToSelector: sel!(languageCode)];
- let is_country_code_supported: bool =
- msg_send![locale, respondsToSelector: sel!(countryCode)];
- let locale_id = if is_language_code_supported && is_country_code_supported {
- let language_code: *const Object = msg_send![locale, languageCode];
- let language_code_str = nsstring_as_str(language_code).to_owned();
- let _: () = msg_send![language_code, release];
-
- let country_code: *const Object = msg_send![locale, countryCode];
- let country_code_str = nsstring_as_str(country_code).to_owned();
- let _: () = msg_send![country_code, release];
-
- format!("{}_{}.UTF-8", &language_code_str, &country_code_str)
- } else {
- let identifier: *const Object = msg_send![locale, localeIdentifier];
- let identifier_str = nsstring_as_str(identifier).to_owned();
- let _: () = msg_send![identifier, release];
-
- identifier_str + ".UTF-8"
- };
-
- let _: () = msg_send![locale, release];
-
- locale_id
- }
-}
-
-const UTF8_ENCODING: usize = 4;
-
-unsafe fn nsstring_as_str<'a>(nsstring: *const Object) -> &'a str {
- let cstr: *const c_char = msg_send![nsstring, UTF8String];
- let len: usize = msg_send![nsstring, lengthOfBytesUsingEncoding: UTF8_ENCODING];
- str::from_utf8(slice::from_raw_parts(cstr as *const u8, len)).unwrap()
-}