1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
14 use html::markdown::Markdown;
17 pub struct ExternalHtml {
18 /// Content that will be included inline in the <head> section of a
19 /// rendered Markdown file or generated documentation
20 pub in_header: String,
21 /// Content that will be included inline between <body> and the content of
22 /// a rendered Markdown file or generated documentation
23 pub before_content: String,
24 /// Content that will be included inline between the content and </body> of
25 /// a rendered Markdown file or generated documentation
26 pub after_content: String
30 pub fn load(in_header: &[String], before_content: &[String], after_content: &[String],
31 md_before_content: &[String], md_after_content: &[String])
32 -> Option<ExternalHtml> {
33 load_external_files(in_header)
35 load_external_files(before_content)
39 load_external_files(md_before_content)
40 .map(|m_bc| (ih, format!("{}{}", bc, Markdown(&m_bc, &[]))))
43 load_external_files(after_content)
44 .map(|ac| (ih, bc, ac))
46 .and_then(|(ih, bc, ac)|
47 load_external_files(md_after_content)
48 .map(|m_ac| (ih, bc, format!("{}{}", ac, Markdown(&m_ac, &[]))))
60 pub enum LoadStringError {
65 pub fn load_string<P: AsRef<Path>>(file_path: P) -> Result<String, LoadStringError> {
66 let file_path = file_path.as_ref();
67 let contents = match fs::read(file_path) {
70 eprintln!("error reading `{}`: {}", file_path.display(), e);
71 return Err(LoadStringError::ReadFail);
74 match str::from_utf8(&contents) {
75 Ok(s) => Ok(s.to_string()),
77 eprintln!("error reading `{}`: not UTF-8", file_path.display());
78 Err(LoadStringError::BadUtf8)
83 fn load_external_files(names: &[String]) -> Option<String> {
84 let mut out = String::new();
86 let s = match load_string(name) {
88 Err(_) => return None,