71 lines
1.8 KiB
Rust
71 lines
1.8 KiB
Rust
pub trait SelectorBase {
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fn from_html(html: String) -> Self;
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fn html(&self) -> String;
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fn css<S: AsRef<str>>(&self, css_selector: S) -> Vec<Selector> {
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let html = nipper::Document::from(self.html().as_str());
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let mut output = vec![];
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for item in html.select(css_selector.as_ref()).iter() {
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output.push(Selector::from_html(item.html().to_string()))
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}
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output
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}
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fn css_once<S: AsRef<str>>(&self, css_selector: S) -> Option<Selector> {
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self.css(css_selector.as_ref()).pop()
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}
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fn xpath<S: AsRef<str>>(&self, xpath: S) -> Vec<Selector> {
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match cssifier::cssifier(xpath.as_ref()) {
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Some(css_selector) => {
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if css_selector.is_empty() {
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Vec::default()
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} else {
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self.css(css_selector.as_str())
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}
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}
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None => Vec::default(),
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}
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}
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fn xpath_once<S: AsRef<str>>(&self, xpath: S) -> Option<Selector> {
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self.xpath(xpath.as_ref()).pop()
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}
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fn content(&self) -> String {
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let html = nipper::Document::from(self.html().as_str());
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html.select("body > *")
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.iter()
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.map(|element| element.text().to_string())
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.last()
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.unwrap()
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}
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fn attr<'a>(&self, attribute: &'a str) -> Option<String> {
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let html = nipper::Document::from(self.html().as_str());
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html.select(" body > *")
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.attr(attribute)
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.map(|text| text.to_string())
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}
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}
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#[derive(Debug)]
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pub struct Selector {
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text: String,
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}
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impl SelectorBase for Selector {
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fn from_html(html: String) -> Self {
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Selector {
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text: html.to_string(),
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}
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}
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fn html(&self) -> String {
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self.text.clone()
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}
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}
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