2016-10-01 15:35:06 +00:00
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//
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// imag - the personal information management suite for the commandline
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// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; version
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// 2.1 of the License.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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2016-05-24 14:00:03 +00:00
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use hoedown::{Markdown, Html as MdHtml};
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use hoedown::renderer::html::Flags as HtmlFlags;
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use hoedown::renderer::Render;
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2016-05-23 12:11:32 +00:00
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use result::Result;
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use error::MarkdownErrorKind;
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2016-05-24 14:00:03 +00:00
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use libimagerror::into::IntoError;
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2016-05-23 12:11:32 +00:00
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pub type HTML = String;
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pub fn to_html(buffer: &str) -> Result<HTML> {
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2016-05-24 14:00:03 +00:00
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let md = Markdown::new(buffer);
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let mut html = MdHtml::new(HtmlFlags::empty(), 0);
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html.render(&md)
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.to_str()
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.map(String::from)
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.map_err(Box::new)
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.map_err(|e| MarkdownErrorKind::MarkdownRenderError.into_error_with_cause(e))
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2016-05-23 12:11:32 +00:00
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}
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pub mod iter {
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use result::Result;
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use libimagstore::store::Entry;
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use super::HTML;
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use super::to_html;
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pub struct ToHtmlIterator<I: Iterator<Item = Entry>> {
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i: I
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}
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impl<I: Iterator<Item = Entry>> ToHtmlIterator<I> {
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2017-02-05 14:02:38 +00:00
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pub fn new(i: I) -> ToHtmlIterator<I> {
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2016-05-23 12:11:32 +00:00
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ToHtmlIterator { i: i }
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}
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}
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impl<I: Iterator<Item = Entry>> Iterator for ToHtmlIterator<I> {
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type Item = Result<HTML>;
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fn next(&mut self) -> Option<Self::Item> {
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self.i.next().map(|entry| to_html(&entry.get_content()[..]))
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}
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}
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2016-05-24 14:17:02 +00:00
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impl<I: Iterator<Item = Entry>> From<I> for ToHtmlIterator<I> {
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fn from(obj: I) -> ToHtmlIterator<I> {
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ToHtmlIterator::new(obj)
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}
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}
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2016-05-29 15:08:27 +00:00
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/// Iterate over `(Entry, Result<HTML>)` tuples
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pub struct WithHtmlIterator<I: Iterator<Item = Entry>> {
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i: I
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}
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impl<I: Iterator<Item = Entry>> WithHtmlIterator<I> {
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2017-02-05 14:29:22 +00:00
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pub fn new(i: I) -> WithHtmlIterator<I> {
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2016-05-29 15:08:27 +00:00
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WithHtmlIterator { i: i }
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}
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}
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impl<I: Iterator<Item = Entry>> Iterator for WithHtmlIterator<I> {
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type Item = (Entry, Result<HTML>);
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fn next(&mut self) -> Option<Self::Item> {
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self.i.next().map(|entry| {
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let html = to_html(&entry.get_content()[..]);
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(entry, html)
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})
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}
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}
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2016-05-23 12:11:32 +00:00
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}
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