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/*
 * render/html/object.rs
 *
 * ftml - Convert Wikidot code to HTML
 * Copyright (C) 2019 Ammon Smith
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

use super::finish::render_finish;
use super::prelude::*;
use crate::RemoteHandle;
use std::fmt::{self, Debug};

pub struct HtmlRender<'h> {
    handle: &'h dyn RemoteHandle,
}

impl<'h> HtmlRender<'h> {
    pub fn new(handle: &'h dyn RemoteHandle) -> Self {
        HtmlRender { handle }
    }
}

impl<'h> Render for HtmlRender<'h> {
    type Output = HtmlOutput;

    fn render(&self, tree: &SyntaxTree, info: PageInfo) -> Result<HtmlOutput> {
        let mut ctx = HtmlContext::new(info, self.handle);
        tree.paragraphs().render(&mut ctx)?;
        render_finish(&mut ctx)?;

        Ok(ctx.into())
    }
}

impl<'h> Debug for HtmlRender<'h> {
    #[inline]
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "HtmlRender {{ .. }}")
    }
}

#[derive(Serialize, Deserialize, Debug, Clone, Default)]
pub struct HtmlOutput {
    pub html: String,
    pub style: String,
    pub meta: Vec<HtmlMeta>,
}