use html_parser::{Dom, Node, Result};
use std::collections::HashMap;
use std::fmt::{Debug, Formatter};
#[derive(Clone, Eq, PartialEq)]
pub struct Element {
pub tag: String,
pub data: String,
pub attrs: HashMap<String, String>,
pub childs: Vec<Element>,
}
impl Debug for Element {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let mut s = f.debug_struct("");
match self.tag.as_str() {
"" => {
s.field("data", &self.data);
}
_ => {
s.field("tag", &self.tag);
if !self.attrs.is_empty() {
s.field("attributes", &self.attrs);
}
if !self.childs.is_empty() {
s.field("childs", &self.childs);
}
}
}
return s.finish();
}
}
pub fn as_element(args: &Vec<Node>) -> Vec<Element> {
let mut els = vec![];
for x in args {
let mut el = Element {
tag: "".to_string(),
data: "".to_string(),
attrs: HashMap::new(),
childs: vec![],
};
match x {
Node::Text(txt) => {
if txt.is_empty() {
continue;
}
el.data = txt.to_string();
}
Node::Element(element) => {
el.tag = element.name.to_string();
if element.id.is_some() {
el.attrs.insert(
"id".to_string(),
element.id.as_ref().unwrap_or(&String::new()).clone(),
);
}
for (k, v) in &element.attributes {
el.attrs
.insert(k.clone(), v.as_ref().unwrap_or(&String::new()).clone());
}
if !element.children.is_empty() {
let childs = as_element(&element.children);
el.childs = childs;
}
}
Node::Comment(comment) => {
println!("comment:{}", comment);
}
}
els.push(el);
}
els
}
pub fn load_html(html: &str) -> Result<Vec<Element>> {
let dom = Dom::parse(html)?;
let els = as_element(&dom.children);
return Ok(els);
}