use html5ever::parse_document;
use html5ever::tendril::TendrilSink;
use markup5ever_rcdom::Handle;
use markup5ever_rcdom::NodeData;
use markup5ever_rcdom::RcDom;
use std::borrow::Borrow;
use std::default::Default;
use textwrap::fill;
use textwrap::Options;
fn go_children(input: &Handle, result: &mut String) {
for child in input.children.borrow().iter() {
walk(child.borrow(), result);
}
}
fn walk(input: &Handle, result: &mut String) {
println!(">>> {:?}", input.data);
match input.data {
NodeData::Text { ref contents } => {
let text = contents.borrow().to_string();
println!("Text: {:?}", text);
result.push_str(&text);
}
NodeData::Element { ref name, .. } => {
let tag = name.local.to_string();
println!("Tag: {:?}", tag);
match tag.as_ref() {
"html" | "head" | "body" => {
println!("\tIgnored tag");
go_children(input, result);
}
"p" => {
println!("\tParagraph");
result.push_str("\n\n");
go_children(input, result);
}
"span" => {
println!("\tSpan");
if let NodeData::Element { ref attrs, .. } = input.data {
let attrs = attrs.borrow();
let classes = attrs
.iter()
.find(|attr| attr.name.local.to_string() == "class");
if let Some(class) = classes {
let classes = class.value.to_string();
if !classes.contains("invisible") {
go_children(input, result);
if classes.contains("ellipsis") {
result.push_str("...");
}
}
} else {
go_children(input, result);
}
}
}
"a" => {
println!("\tAnchor");
if let NodeData::Element { ref attrs, .. } = input.data {
let attrs = attrs.borrow();
let rels = attrs
.iter()
.find(|attr| attr.name.local.to_string() == "rel");
let hrefs = attrs
.iter()
.find(|attr| attr.name.local.to_string() == "href");
match (rels, hrefs) {
(Some(rel), Some(href)) => {
if !rel.value.to_string().contains("tag") {
result.push_str("[[");
result.push_str(&href.value.to_string());
result.push_str("][");
go_children(input, result);
result.push_str("]]");
} else {
go_children(input, result);
}
}
_ => {}
}
}
}
_ => {}
}
}
_ => {
go_children(input, result);
}
}
}
fn main() {
let source = String::from(
r#"Today I finally moved with my contact and calendar management into the terminal with #vdirsyncer #khal and #khard.
Thank you @hund for your great post: https://hund.tty1.se/2020/08/12/how-to-sync-and-manage-your-caldav-and-carddav-via-the-terminal.html
#carddav #caldav #terminal
"#,
);
println!("Source: {}", &source);
println!("---------------------------------");
let dom = parse_document(RcDom::default(), Default::default())
.from_utf8()
.read_from(&mut source.as_bytes())
.unwrap();
let mut result = String::new();
walk(&dom.document, &mut result);
println!("---------------------------------");
let options = Options::new(70)
.initial_indent(" ")
.subsequent_indent(" ");
println!("{}", fill(&result.trim(), &options));
}