textlane-html 0.6.1

Textlane's HTML plugins: parsing, transforms, sanitizing and serializing
Documentation 
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use textlane_core::{Attach, Compiler, Error, File, HtmlTarget, Plugin, Tree, TreeKind};

use crate::actions::hast::stringify::stringify_hast;
use crate::models::options::Stringify;

impl Plugin for Stringify {
    fn attach(&self, context: &mut Attach) -> Result<(), Error> {
        let compiler = self.clone();
        context.set_compiler(move |_| Ok(Box::new(compiler)));
        Ok(())
    }
}

impl Compiler for Stringify {
    fn input(&self) -> TreeKind {
        TreeKind::Hast
    }

    fn extension(&self) -> &'static str {
        "html"
    }

    fn compile(&self, tree: &Tree<'_>, _file: &mut File) -> Result<String, Error> {
        match tree {
            Tree::Hast(node) => stringify_hast(node, self),
            _ => Err(Error::new("invalid-stage", "`html.stringify` takes hast")),
        }
    }

    fn html_target(&self) -> Option<HtmlTarget> {
        let defaults = Stringify {
            allow_dangerous_html: self.allow_dangerous_html,
            ..Stringify::default()
        };
        (*self == defaults).then_some(HtmlTarget {
            allow_dangerous_html: self.allow_dangerous_html,
        })
    }
}