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Now with some parsing (and a lot of debug messages)

master
Julio Biason 4 years ago
parent
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commit
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1 changed files with 88 additions and 30 deletions
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  1. 118
      html5test/src/main.rs

118
html5test/src/main.rs
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@ -1,44 +1,102 @@
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;
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 {
if !class.value.to_string().contains("invisible") {
go_children(input, result);
}
} 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#"<p>Today I finally moved with my contact and calendar management into
the terminal with <a href="https://fosstodon.org/tags/vdirsyncer"
class="mention hashtag" rel="tag nofollow noopener
noreferrer" target="_blank">#<span>vdirsyncer</span></a>
<a href="https://fosstodon.org/tags/khal" class="mention
hashtag" rel="tag nofollow noopener noreferrer"
target="_blank">#<span>khal</span></a> and <a
href="https://fosstodon.org/tags/khard" class="mention
hashtag" rel="tag nofollow noopener noreferrer"
target="_blank">#<span>khard</span></a>.</p><p>Thank you
<span class="h-card"><a href="https://fosstodon.org/@hund"
class="u-url mention" rel="nofollow noopener noreferrer"
target="_blank">@<span>hund</span></a></span> for your
great post: <a href="https://hund.tty1.se/2020/08/12/how-
to-sync-and-manage-your-caldav-and-carddav-via-the-
terminal.html" rel="nofollow noopener noreferrer"
target="_blank"><span class="invisible">https://</span><span
class="ellipsis">hund.tty1.se/2020/08/12/how-to</span><span
class="invisible">-sync-and-manage-your-caldav-and-
carddav-via-the-terminal.html</span></a></p><p><a
href="https://fosstodon.org/tags/carddav"
class="mention hashtag" rel="tag nofollow noopener
noreferrer" target="_blank">#<span>carddav</span></a>
<a href="https://fosstodon.org/tags/caldav"
class="mention hashtag" rel="tag nofollow noopener
noreferrer" target="_blank">#<span>caldav</span></a> <a
href="https://fosstodon.org/tags/terminal" class="mention
hashtag" rel="tag nofollow noopener noreferrer"
target="_blank">#<span>terminal</span></a></p>"#,
r#"<p>Today I finally moved with my contact and calendar management into the terminal with <a href="https://fosstodon.org/tags/vdirsyncer" class="mention hashtag" rel="tag nofollow noopener noreferrer" target="_blank">#<span>vdirsyncer</span></a> <a href="https://fosstodon.org/tags/khal" class="mention hashtag" rel="tag nofollow noopener noreferrer" target="_blank">#<span>khal</span></a> and <a href="https://fosstodon.org/tags/khard" class="mention hashtag" rel="tag nofollow noopener noreferrer" target="_blank">#<span>khard</span></a>.</p><p>Thank you <span class="h-card"><a href="https://fosstodon.org/@hund" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>hund</span></a></span> for your great post: <a href="https://hund.tty1.se/2020/08/12/how-to-sync-and-manage-your-caldav-and-carddav-via-the-terminal.html" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hund.tty1.se/2020/08/12/how-to</span><span class="invisible">-sync-and-manage-your-caldav-and-carddav-via-the-terminal.html</span></a></p><p><a href="https://fosstodon.org/tags/carddav" class="mention hashtag" rel="tag nofollow noopener noreferrer" target="_blank">#<span>carddav</span></a> <a href="https://fosstodon.org/tags/caldav" class="mention hashtag" rel="tag nofollow noopener noreferrer" target="_blank">#<span>caldav</span></a> <a href="https://fosstodon.org/tags/terminal" class="mention hashtag" rel="tag nofollow noopener noreferrer" target="_blank">#<span>terminal</span></a></p>"#,
);
println!("Source: {}", &source);
println!("---------------------------------");
let _dom = parse_document(RcDom::default(), Default::default())
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!("---------------------------------");
println!("{}", result);
}

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