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//! A CSS inliner for making emails.

extern crate kuchiki;
extern crate servo_css_parser;
#[macro_use] extern crate html5ever;
#[macro_use] extern crate maplit;

mod rules;
pub use rules::*;

mod hash;
pub use hash::*;

mod property_declaration_value;

mod options;
pub use options::Options as OptionsRequired;
pub use options::default::*;

mod settings;
pub use settings::Settings as SettingsRequired;
pub use settings::default::*;

mod eyeliner;
pub use eyeliner::*;

pub mod traits;
use traits::*;

/// Returns a string of HTML with CSS inlined.
///
/// # Arguments
///
/// *   `html` - A string of HTML to have CSS inlined into. Any `<style />` tags will have their
///     styles parsed and processed.
///
/// *   `css` - An optional string of additional CSS to be inlined that is added _before_ the
///     `<style />` tags in the `html` are parsed.
///
/// *   `options` - An optional instance of `Options`.
///
/// *   `settings` - An optional instance of `Settings`.
///
/// # Remarks
///
/// Convenient function to inline HTML and CSS the same way as Juice.
///
/// # Examples
///
/// ```
///   use eyeliner::inline;
///
///   let html = r#"
///     <!DOCTYPE html>
///     <html>
///       <head>
///         <title>Test</title>
///       </head>
///       <body>
///         <h1>Hello, world!</h1>
///         <p>I <span class="red">love</span> Rust!</p>
///       </body>
///     </html>
///   "#;
///
///   let css = r#"
///     .red {
///       color: red;
///     }
///   "#;
///
///   let fixture = r#"
///     <!DOCTYPE html>
///     <html>
///       <head>
///         <title>Test</title>
///       </head>
///       <body>
///         <h1>Hello, world!</h1>
///         <p>I <span class="red" style="color: red;">love</span> Rust!</p>
///       </body>
///     </html>
///   "#;
///
///   assert_eq!(
///     inline(fixture, None, None, None), // Just used to format the HTML the same way
///     inline(html, Some(css), None, None),
///   );
/// ```
pub fn inline(html: &str, css: Option<&str>, options: Option<Options>, settings: Option<Settings>) -> String {
    Eyeliner::new(html, css, options, settings)
        .collect_rules()
        .apply_rules()
        .apply_width_attributes()
        .apply_height_attributes()
        .apply_table_element_attributes()
        .insert_preserved_css()
        .to_string()
}