2014-06-28 12:35:25 +02:00
|
|
|
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
|
|
|
|
|
// file at the top-level directory of this distribution and at
|
|
|
|
|
// http://rust-lang.org/COPYRIGHT.
|
|
|
|
|
//
|
|
|
|
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
|
|
|
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
|
|
|
|
// option. This file may not be copied, modified, or distributed
|
|
|
|
|
// except according to those terms.
|
|
|
|
|
|
2015-02-27 06:00:43 +01:00
|
|
|
use std::fs::File;
|
|
|
|
|
use std::io::prelude::*;
|
|
|
|
|
use std::io;
|
2016-10-08 22:29:10 +02:00
|
|
|
use std::path::Path;
|
2015-02-27 06:00:43 +01:00
|
|
|
use std::str;
|
2014-06-28 12:35:25 +02:00
|
|
|
|
2015-01-04 04:54:18 +01:00
|
|
|
#[derive(Clone)]
|
2014-06-28 12:35:25 +02:00
|
|
|
pub struct ExternalHtml{
|
2016-10-08 23:34:13 +02:00
|
|
|
/// Content that will be included inline in the <head> section of a
|
|
|
|
|
/// rendered Markdown file or generated documentation
|
2014-06-28 12:35:25 +02:00
|
|
|
pub in_header: String,
|
2016-10-08 23:34:13 +02:00
|
|
|
/// Content that will be included inline between <body> and the content of
|
|
|
|
|
/// a rendered Markdown file or generated documentation
|
2014-06-28 12:35:25 +02:00
|
|
|
pub before_content: String,
|
2016-10-08 23:34:13 +02:00
|
|
|
/// Content that will be included inline between the content and </body> of
|
|
|
|
|
/// a rendered Markdown file or generated documentation
|
2014-06-28 12:35:25 +02:00
|
|
|
pub after_content: String
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
impl ExternalHtml {
|
|
|
|
|
pub fn load(in_header: &[String], before_content: &[String], after_content: &[String])
|
|
|
|
|
-> Option<ExternalHtml> {
|
|
|
|
|
match (load_external_files(in_header),
|
|
|
|
|
load_external_files(before_content),
|
|
|
|
|
load_external_files(after_content)) {
|
|
|
|
|
(Some(ih), Some(bc), Some(ac)) => Some(ExternalHtml {
|
|
|
|
|
in_header: ih,
|
|
|
|
|
before_content: bc,
|
|
|
|
|
after_content: ac
|
|
|
|
|
}),
|
|
|
|
|
_ => None
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2016-10-09 04:55:40 +02:00
|
|
|
pub enum LoadStringError {
|
|
|
|
|
ReadFail,
|
|
|
|
|
BadUtf8,
|
2014-06-28 12:35:25 +02:00
|
|
|
}
|
|
|
|
|
|
2016-10-09 04:55:40 +02:00
|
|
|
pub fn load_string<P: AsRef<Path>>(file_path: P) -> Result<String, LoadStringError> {
|
|
|
|
|
let file_path = file_path.as_ref();
|
|
|
|
|
let mut contents = vec![];
|
|
|
|
|
let result = File::open(file_path)
|
|
|
|
|
.and_then(|mut f| f.read_to_end(&mut contents));
|
|
|
|
|
if let Err(e) = result {
|
|
|
|
|
let _ = writeln!(&mut io::stderr(),
|
|
|
|
|
"error reading `{}`: {}",
|
|
|
|
|
file_path.display(), e);
|
|
|
|
|
return Err(LoadStringError::ReadFail);
|
|
|
|
|
}
|
|
|
|
|
match str::from_utf8(&contents) {
|
|
|
|
|
Ok(s) => Ok(s.to_string()),
|
|
|
|
|
Err(_) => {
|
|
|
|
|
let _ = writeln!(&mut io::stderr(),
|
|
|
|
|
"error reading `{}`: not UTF-8",
|
|
|
|
|
file_path.display());
|
|
|
|
|
Err(LoadStringError::BadUtf8)
|
2014-06-28 12:35:25 +02:00
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn load_external_files(names: &[String]) -> Option<String> {
|
|
|
|
|
let mut out = String::new();
|
2015-01-31 18:20:46 +01:00
|
|
|
for name in names {
|
2016-10-09 04:55:40 +02:00
|
|
|
let s = match load_string(name) {
|
|
|
|
|
Ok(s) => s,
|
|
|
|
|
Err(_) => return None,
|
|
|
|
|
};
|
|
|
|
|
out.push_str(&s);
|
2014-09-22 17:28:35 +02:00
|
|
|
out.push('\n');
|
2014-06-28 12:35:25 +02:00
|
|
|
}
|
|
|
|
|
Some(out)
|
|
|
|
|
}
|
