Created
June 29, 2018 19:44
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A simple example using html5ever to modify html data
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| extern crate html5ever; | |
| use html5ever::{ParseOpts, parse_document}; | |
| use html5ever::tree_builder::TreeBuilderOpts; | |
| use html5ever::rcdom::RcDom; | |
| use html5ever::rcdom::NodeEnum::Element; | |
| use html5ever::serialize::{SerializeOpts, serialize}; | |
| use html5ever::tendril::TendrilSink; | |
| fn main() { | |
| let opts = ParseOpts { | |
| tree_builder: TreeBuilderOpts { | |
| drop_doctype: true, | |
| ..Default::default() | |
| }, | |
| ..Default::default() | |
| }; | |
| let data = "<!DOCTYPE html><html><body><a href=\"foo\"></a></body></html>".to_string(); | |
| let dom = parse_document(RcDom::default(), opts) | |
| .from_utf8() | |
| .read_from(&mut data.as_bytes()) | |
| .unwrap(); | |
| let document = dom.document.borrow(); | |
| let html = document.children[0].borrow(); | |
| let body = html.children[1].borrow(); // Implicit head element at children[0]. | |
| { | |
| let mut a = body.children[0].borrow_mut(); | |
| if let Element(_, _, ref mut attributes) = a.node { | |
| attributes[0].value.push_tendril(&From::from("#anchor")); | |
| } | |
| } | |
| let mut bytes = vec![]; | |
| serialize(&mut bytes, &dom.document, SerializeOpts::default()).unwrap(); | |
| let result = String::from_utf8(bytes).unwrap(); | |
| println!("{}", result); | |
| } |
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Taken from this stackoverflow answer