visdom 0.5.0 - Docs.rs

Visdom

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It's not only helpful for the working with html scraping, but also have useful APIs to mutate text nodes, so you can use it for mixing your html with dirty html fragement, and keep the web scrapers away. :sparkling_heart:

Usage

use visdom::Vis;
use visdom::types::BoxDynError;

fn main() -> Result<(), BoxDynError>{
  let html = r##"
    <!DOCTYPE html>
    <html>
      <head>
        <meta charset="utf-8" />
      </head>
      <body>
        <nav id="header">
          <ul>
            <li>Hello,</li>
            <li>Vis</li>
            <li>Dom</li>
          </ul>
        </nav>
      </body>
    </html>
  "##;
  // load html
  let root = Vis::load(html)?;
  let lis = root.find("#header li");
  let lis_text = lis.text();
  println!("{}", lis_text);
  // will output "Hello,VisDom"
  Ok(())
}

Try it online

Feature flags

After version v0.5.0, visdom add some feature flags to support conditional compilation for different usage.

Feature	Description	API	Config
`destory`	When you don't need remove or clear the elements, you can ignore this feature flag.	`.remove()` `.empty()` (IElementTrait) `remove_child()`	`visdom = { version = xxx, features = ["destory"]}`
`insertion`	When you don't need mutation the DOM, you can ignore this feature flag.	`append(&mut x)` `append_to(&mut x)` `prepend(&mut x)` `prepend_to(&mut x)` `insert_after(&mut x)` `after(&mut x)` `insert_before(&mut x)` `before(&mut x)`	`visdom = { version = xxx, features = ["insertion"]}`
`text`	When you don't need mutation the TextNode, you can ignore this feature flag.	`.texts()` `.texts_by()`	`visdom = { version = xxx, features = ["text"]}`
`full`	When you need all the API above, you can open this feature flag.	-	`visdom = { version = xxx, features = ["full"]}`

Depedencies

Html parser：https://github.com/fefit/rphtml
Html entity encoding and decoding：https://github.com/fefit/htmlentity

Questions & Advices & Bugs?

Welcome to report Issue to us if you have any question or bug or good advice.

License

MIT License.