| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ |
| |
| //! Functions for validating and extracting qualified XML names. |
| |
| /// Check if an element name is valid. See <http://www.w3.org/TR/xml/#NT-Name> |
| /// for details. |
| pub(crate) fn is_valid_start(c: char) -> bool { |
| matches!(c, ':' | |
| 'A'..='Z' | |
| '_' | |
| 'a'..='z' | |
| '\u{C0}'..='\u{D6}' | |
| '\u{D8}'..='\u{F6}' | |
| '\u{F8}'..='\u{2FF}' | |
| '\u{370}'..='\u{37D}' | |
| '\u{37F}'..='\u{1FFF}' | |
| '\u{200C}'..='\u{200D}' | |
| '\u{2070}'..='\u{218F}' | |
| '\u{2C00}'..='\u{2FEF}' | |
| '\u{3001}'..='\u{D7FF}' | |
| '\u{F900}'..='\u{FDCF}' | |
| '\u{FDF0}'..='\u{FFFD}' | |
| '\u{10000}'..='\u{EFFFF}') |
| } |
| |
| pub(crate) fn is_valid_continuation(c: char) -> bool { |
| is_valid_start(c) || |
| matches!(c, |
| '-' | |
| '.' | |
| '0'..='9' | |
| '\u{B7}' | |
| '\u{300}'..='\u{36F}' | |
| '\u{203F}'..='\u{2040}') |
| } |
| |
| pub(crate) fn matches_name_production(name: &str) -> bool { |
| let mut iter = name.chars(); |
| |
| if iter.next().is_none_or(|c| !is_valid_start(c)) { |
| return false; |
| } |
| iter.all(is_valid_continuation) |
| } |
