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Diffstat (limited to 'third_party/rust/idna/src/lib.rs')
| -rw-r--r-- | third_party/rust/idna/src/lib.rs | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/third_party/rust/idna/src/lib.rs b/third_party/rust/idna/src/lib.rs deleted file mode 100644 index d53874f35..000000000 --- a/third_party/rust/idna/src/lib.rs +++ /dev/null @@ -1,73 +0,0 @@ -// Copyright 2016 Simon Sapin. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -//! This Rust crate implements IDNA -//! [per the WHATWG URL Standard](https://url.spec.whatwg.org/#idna). -//! -//! It also exposes the underlying algorithms from [*Unicode IDNA Compatibility Processing* -//! (Unicode Technical Standard #46)](http://www.unicode.org/reports/tr46/) -//! and [Punycode (RFC 3492)](https://tools.ietf.org/html/rfc3492). -//! -//! Quoting from [UTS #46’s introduction](http://www.unicode.org/reports/tr46/#Introduction): -//! -//! > Initially, domain names were restricted to ASCII characters. -//! > A system was introduced in 2003 for internationalized domain names (IDN). -//! > This system is called Internationalizing Domain Names for Applications, -//! > or IDNA2003 for short. -//! > This mechanism supports IDNs by means of a client software transformation -//! > into a format known as Punycode. -//! > A revision of IDNA was approved in 2010 (IDNA2008). -//! > This revision has a number of incompatibilities with IDNA2003. -//! > -//! > The incompatibilities force implementers of client software, -//! > such as browsers and emailers, -//! > to face difficult choices during the transition period -//! > as registries shift from IDNA2003 to IDNA2008. -//! > This document specifies a mechanism -//! > that minimizes the impact of this transition for client software, -//! > allowing client software to access domains that are valid under either system. - -#[macro_use] extern crate matches; -extern crate unicode_bidi; -extern crate unicode_normalization; - -pub mod punycode; -pub mod uts46; - -/// The [domain to ASCII](https://url.spec.whatwg.org/#concept-domain-to-ascii) algorithm. -/// -/// Return the ASCII representation a domain name, -/// normalizing characters (upper-case to lower-case and other kinds of equivalence) -/// and using Punycode as necessary. -/// -/// This process may fail. -pub fn domain_to_ascii(domain: &str) -> Result<String, uts46::Errors> { - uts46::to_ascii(domain, uts46::Flags { - use_std3_ascii_rules: false, - transitional_processing: true, // XXX: switch when Firefox does - verify_dns_length: false, - }) -} - -/// The [domain to Unicode](https://url.spec.whatwg.org/#concept-domain-to-unicode) algorithm. -/// -/// Return the Unicode representation of a domain name, -/// normalizing characters (upper-case to lower-case and other kinds of equivalence) -/// and decoding Punycode as necessary. -/// -/// This may indicate [syntax violations](https://url.spec.whatwg.org/#syntax-violation) -/// but always returns a string for the mapped domain. -pub fn domain_to_unicode(domain: &str) -> (String, Result<(), uts46::Errors>) { - uts46::to_unicode(domain, uts46::Flags { - use_std3_ascii_rules: false, - - // Unused: - transitional_processing: true, - verify_dns_length: false, - }) -} |