minify-html/src/parse/comment.rs at ast · avsaase/minify-html

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use aho_corasick::AhoCorasick;

use lazy_static::lazy_static;

use crate::ast::NodeData;

use crate::parse::Code;

lazy_static! {

static ref COMMENT_END: AhoCorasick = AhoCorasick::new(&["-->"]);

}

pub fn parse_comment(code: &mut Code) -> NodeData {

debug_assert!(code.as_slice().starts_with(b"<!--"));

code.shift(4);

let (len, matched) = match COMMENT_END.find(code.as_slice()) {

Some(m) => (m.start(), m.end() - m.start()),

None => (code.rem(), 0),

};

let data = code.copy_and_shift(len);

// It might be EOF.

code.shift(matched);

NodeData::Comment {

code: data,

ended: matched > 0,

}