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use hoedown::{Markdown, Html as MdHtml};
use hoedown::renderer::html::Flags as HtmlFlags;
use hoedown::renderer::Render;
use result::Result;
use error::MarkdownErrorKind;
use libimagerror::into::IntoError;
pub type HTML = String;
pub fn to_html(buffer: &str) -> Result<HTML> {
let md = Markdown::new(buffer);
let mut html = MdHtml::new(HtmlFlags::empty(), 0);
html.render(&md)
.to_str()
.map(String::from)
.map_err(Box::new)
.map_err(|e| MarkdownErrorKind::MarkdownRenderError.into_error_with_cause(e))
}
pub mod iter {
use result::Result;
use libimagstore::store::Entry;
use super::HTML;
use super::to_html;
pub struct ToHtmlIterator<I: Iterator<Item = Entry>> {
i: I
}
impl<I: Iterator<Item = Entry>> ToHtmlIterator<I> {
fn new(i: I) -> ToHtmlIterator<I> {
ToHtmlIterator { i: i }
}
}
impl<I: Iterator<Item = Entry>> Iterator for ToHtmlIterator<I> {
type Item = Result<HTML>;
fn next(&mut self) -> Option<Self::Item> {
self.i.next().map(|entry| to_html(&entry.get_content()[..]))
}
}
impl<I: Iterator<Item = Entry>> From<I> for ToHtmlIterator<I> {
fn from(obj: I) -> ToHtmlIterator<I> {
ToHtmlIterator::new(obj)
}
}
}
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