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|
/*
pull the std into scope and inline it so that we get documentation for it,
even when running offline
*/
#[doc(inline)]
pub use std;
use std::path::{Path, PathBuf};
use std::io::{self, Read, Write, BufRead, BufReader};
use std::fs::{self, File};
use std::time;
use structopt::StructOpt;
#[derive(Debug, StructOpt)]
#[structopt(name = "vokobe", about = "A static site generator")]
struct Opt {
/// Input path
#[structopt(parse(from_os_str))]
input_path: PathBuf,
/// Output path
#[structopt(parse(from_os_str))]
output_path: PathBuf,
/// Site name (e.g. emile.space)
site_name: String,
/// Activate sending analytics to stats.emile.space
// -a and --analytics will be generated
// analytics are sent to stats.emile.space
#[structopt(short, long)]
analytics: bool,
}
fn main() -> std::io::Result<()> {
let opt = Opt::from_args();
let in_path = opt.input_path;
let output_path = opt.output_path;
// read the style
let style_path = Path::new(&in_path).join("style.css");
let mut style_file = File::open(style_path)
.expect("could not open style file");
let mut style = String::new();
style_file.read_to_string(&mut style)
.expect("could not read style file to string");
// read all dirs in the input path
let pathes = recursive_read_dir(&in_path, false)?;
println!("Got {} files", pathes.len());
for path in pathes {
let stripped_path = path.strip_prefix(&in_path)
.expect(format!(
"could not strip the in_path prefix: {:?}", in_path).as_str());
// copy images and other files to the output folder
if path.is_file() {
// define the source and destination
let src = Path::new(&in_path).join(stripped_path);
let dst = Path::new(&output_path).join(stripped_path);
// define the destination folder (the dst path without the file) and create it
let mut dst_folder = dst.clone();
dst_folder.pop(); // remove the file itself from the path
fs::create_dir_all(dst_folder)?;
// copy the file to the destination
std::fs::copy(src, dst.as_path())?;
}
if stripped_path.ends_with("README.md") {
// define the "raw" path (no infile prefix, no file)
let mut ancestors = stripped_path.ancestors();
ancestors.next();
let raw_path = ancestors.next()
.expect("could not extract next ancestor");
// out + rawpath
let index_path = output_path.join(raw_path);
// (out + rawpath) + "index.html"
let index_file = index_path.join("index.html");
// - create the dir for the index.html as well as the index.html
// itself
fs::create_dir_all(index_path)?;
let mut file = File::create(&index_file)?;
// this is the main block calling all other smaller functions. The
// whole output is compsed here
write_header(&mut file, &opt.site_name, &style)?;
write_body_start(&mut file, &opt.site_name)?;
write_nav(&mut file, in_path.as_path(), raw_path, opt.analytics)?;
write_same_level(&mut file, in_path.as_path(), raw_path)?;
write_readme_content(&mut file, in_path.as_path(), raw_path)?;
write_footer(&mut file)?;
file.write_all("".as_bytes())?;
}
}
Ok(())
}
/// Write the html header including the style file
/// TODO: Don't add the style file into each compiled html output, as the
/// style can be included allowing the user to cache the style file in their
/// browser.
fn write_header(file: &mut File, site_name: &String, style: &String) -> std::io::Result<()>{
// write the header including the style file
file.write_all(format!(r#"<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{}</title>
<style>
{}
</style>
</head>
"#, site_name, style).as_bytes())?;
Ok(())
}
/// write the start of the html body tag and the header linking back to the
/// site itself.
fn write_body_start(file: &mut File, site_name: &String) -> std::io::Result<()>{
file.write_all(format!(r#"
<body>
<header>
<a href="/">{}</a>
</header>"#, site_name).as_bytes())?;
Ok(())
}
/// Write the navigation section to the given file
fn write_nav(file: &mut File, in_path: &Path, raw_path: &Path, analytics: bool)
-> std::io::Result<()> {
if analytics == true {
/*
file.write_all(format!(r#"
<img src="https://stats.emile.space/count?p=/{}">
<nav>
<ul>"#, raw_path.to_str().unwrap()).as_bytes())?;
*/
file.write_all(format!(r#"
<nav>
<ul>"#,).as_bytes())?;
} else {
file.write_all(format!(r#"
<nav>
<ul>"#).as_bytes())?;
}
// get the nav bar components
let components = raw_path.components().collect::<Vec<_>>();
// for each list of components (["a"], ["a", "b"], ["a", "b", "c"]), create
// the path for the list, view all other dirs at that path and write the
// result to the file
let mut i = 0;
let slice = components.as_slice();
// for each navbar component
for component in slice {
// get the items belonging to that navbar item
// (["a"], ["a", "b"], ["a", "b", "c"])
let subpath_components = &slice[..i+1];
i += 1;
let mut subpath_path = PathBuf::new();
// push the inpath, so we've got a basis from where we can read the
// subpath items
// subpath_path = inpath + ???
subpath_path.push(in_path);
let mut nav_breadcrumb_link = PathBuf::new();
// for each item in the subpath, push it into the subpath_path so that
// in the end, we've got something like this:
// "inpath" + "a" + "b" + "c"
for subpath_component in subpath_components {
subpath_path.push(subpath_component);
nav_breadcrumb_link.push(subpath_component);
}
// make the nav_breadcrumb_link an absolute by prefixing it with a /
// (this is in scope of the web-page, so this is find) and make it a
// string
let nav_breadcrumb_link_absolute
= Path::new("/")
.join(nav_breadcrumb_link);
let nav_breadcrumb_link
= nav_breadcrumb_link_absolute.to_str().unwrap();
// define the name of the breadcrumb
let nav_breadcrumb_name = component.as_os_str().to_str().unwrap();
////////////////////////////////////////////////////////////////////////
file.write_all(format!(r#"
<li>
<a href="{}">{}</a>
<ul>"#, nav_breadcrumb_link, nav_breadcrumb_name).as_bytes())?;
////////////////////////////////////////////////////////////////////////
// as we don't want to get the items for the individial entry, but on
// the same level, we push a ".."
// the subpath_path is now: inpath + subpath + ../
subpath_path.push("..");
// read all dirs in the subpath_path, add them to the dirs vector, so
// that we get a vector containing all the dirs we want
let mut dirs = Vec::new();
for entry in fs::read_dir(subpath_path)? {
let path = &entry?.path();
if path.is_dir() {
dirs.push(path.to_path_buf());
}
}
dirs.sort();
// DROPDOWN
// extract the link and name for each directory found
for dir in dirs {
let d = dir.canonicalize()?;
let abs_inpath = in_path.canonicalize()?;
let name = d.file_name().unwrap().to_str().unwrap();
let rel_link
= d.strip_prefix(abs_inpath)
.expect(format!(
"could not strip the in_path prefix: {:?}",
d).as_str());
let link = Path::new("/").join(rel_link);
let link = link.as_path().to_str().unwrap();
// don't add the current page to the dropdown, we're on it already!
if name == nav_breadcrumb_name {
continue
}
// don't add items starting with a dot to the dropdown, they're
// hidden!
if name.starts_with(".") {
continue
}
////////////////////////////////////////////////////////////////////
file.write_all(format!(r#"
<li><a href="{}">{}/</a></li>"#, link, name).as_bytes())?;
////////////////////////////////////////////////////////////////////
}
////////////////////////////////////////////////////////////////////////
file.write_all(r#"
</ul>
</li>"#.as_bytes())?;
////////////////////////////////////////////////////////////////////////
}
////////////////////////////////////////////////////////////////////////////
file.write_all(format!(r#"
</ul>
<ul style="float: right">
<li>{:?}</li>
<li>
<a href="README.md">.md</a>
</li>
</ul>
</nav>"#, in_path.metadata()?.modified()?.duration_since(std::time::UNIX_EPOCH).unwrap().as_secs()).as_bytes())?;
////////////////////////////////////////////////////////////////////////////
Ok(())
}
fn write_same_level(file: &mut File, in_path: &Path, raw_path: &Path)
-> std::io::Result<()> {
let search_path = Path::new(in_path).join(raw_path);
let mut dirs: Vec<PathBuf> = Vec::new();
let mut files: Vec<PathBuf> = Vec::new();
let mut vertical: bool = false;
let mut show_files: bool = false;
for entry in fs::read_dir(search_path)? {
let path = &entry?.path();
if path.is_dir() {
dirs.push(path.to_path_buf());
}
if path.is_file() {
files.push(path.to_path_buf());
if path.file_name().unwrap() == "vertical" {
vertical = true;
}
if path.file_name().unwrap() == "show_files" {
show_files = true;
}
}
}
dirs.sort();
files.sort();
let in_path = in_path.canonicalize()?;
if vertical == true {
file.write_all(format!(r#"
<ul class="vert">"#).as_bytes())?;
} else {
file.write_all(format!(r#"
<ul>"#).as_bytes())?;
}
for dir in dirs {
let dir = dir.canonicalize()?;
let dir = dir.strip_prefix(&in_path)
.expect("could not strip in_path prefix");
let link = Path::new("/").join(dir);
let link_str = link.as_path().to_str().unwrap();
let name = link.file_name().unwrap().to_str().unwrap();
if name.starts_with(".") {
continue
}
file.write_all(format!(r#"
<li><a href="{}">{}/</a></li>"#, link_str, name).as_bytes())?;
}
file.write_all(format!(r#"
</ul>"#).as_bytes())?;
if files.len() >= 1 && show_files == true {
file.write_all(format!(r#"<br>
<ul>"#).as_bytes())?;
for f in files {
let f = f.canonicalize()?;
let f = f.strip_prefix(&in_path)
.expect("could not strip in_path prefix");
let link = Path::new("/").join(f);
let link_str = link.as_path().to_str().unwrap();
let name = link.file_name().unwrap().to_str().unwrap();
if name == "README.md"
|| name == "show_files"
|| name.starts_with(".")
{
continue
};
file.write_all(format!(r#"
<li><a href="{}">{}</a></li>"#, link_str, name).as_bytes())?;
}
file.write_all(format!(r#"
</ul>"#).as_bytes())?;
}
Ok(())
}
fn write_readme_content(file: &mut File, in_path: &Path, raw_path: &Path)
-> std::io::Result<()> {
// define the path of the README.md file
let readme_file_path
= Path::new(in_path).join(raw_path).join("README.md");
// open the file and read it as a string
let mut readme_file = File::open(readme_file_path)?;
let mut readme = String::new();
readme_file.read_to_string(&mut readme)?;
file.write_all(format!("<pre>").as_bytes())?;
// counting the occurrence of `---`
let mut hrule_count = 0;
let mut in_yaml_metadata_block= false;
let mut level_1_heading_num = 0;
let mut level_2_heading_num = 0;
let mut level_3_heading_num = 0;
let mut level_4_heading_num = 0;
let mut level_5_heading_num = 0;
// cheap markdown 2 html converter
for line in readme.split('\n') {
// 1 == 2, as I'm not sure how to comment out the file write 5 lines or so below
if in_yaml_metadata_block && 1 == 2 {
// if we find the end of the yaml metadata block, break this
if line.starts_with("---") {
in_yaml_metadata_block = false;
continue
} else {
file.write_all(format!(r##"yaml_line: {}
"##, line).as_bytes())?;
continue
}
}
// if we've got a horizontal rule, it can be two things: the start and
// end of a yaml-metadata block or an actual horizontal rule.
//
// If it's yaml metadata, read it all, but don't print it, store it
// for later
// If it's a horizontal rule, print the horizontal rule
if line.starts_with("---") {
// store the yaml metadata
if hrule_count == 0 {
in_yaml_metadata_block = true;
continue
}
hrule_count += 1;
// print the horizontal rule
file.write_all(format!(r##"
<hr>"##).as_bytes())?;
} else if line.starts_with("#####") {
let heading = line.get(6..).unwrap();
let heading_sanitized = sanitize(heading.to_string());
level_5_heading_num += 1;
file.write_all(format!(r##"</pre>
<span id="{a}"></span>
<h5><a href="#{a}">{h1}.{h2}.{h3}.{h4}.{h5}. {b}</a></h3>
<pre>"##,
a = heading_sanitized,
b = heading,
h1 = level_1_heading_num,
h2 = level_2_heading_num,
h3 = level_3_heading_num,
h4 = level_4_heading_num,
h5 = level_5_heading_num,
).as_bytes())?;
} else if line.starts_with("####") {
let heading = line.get(5..).unwrap();
let heading_sanitized = sanitize(heading.to_string());
level_4_heading_num += 1;
level_5_heading_num = 0;
file.write_all(format!(r##"</pre>
<span id="{a}"></span>
<h4><a href="#{a}">{h1}.{h2}.{h3}.{h4}. {b}</a></h3>
<pre>"##,
a = heading_sanitized,
b = heading,
h1 = level_1_heading_num,
h2 = level_2_heading_num,
h3 = level_3_heading_num,
h4 = level_4_heading_num,
).as_bytes())?;
} else if line.starts_with("###") {
let heading = line.get(4..).unwrap();
let heading_sanitized = sanitize(heading.to_string());
level_3_heading_num += 1;
level_4_heading_num = 0;
level_5_heading_num = 0;
file.write_all(format!(r##"</pre>
<span id="{a}"></span>
<h3><a href="#{a}">{h1}.{h2}.{h3}. {b}</a></h3>
<pre>"##,
a = heading_sanitized,
b = heading,
h1 = level_1_heading_num,
h2 = level_2_heading_num,
h3 = level_3_heading_num,
).as_bytes())?;
} else if line.starts_with("##") {
let heading = line.get(3..).unwrap();
let heading_sanitized = sanitize(heading.to_string());
level_2_heading_num += 1;
level_3_heading_num = 0;
level_4_heading_num = 0;
level_5_heading_num = 0;
file.write_all(format!(r##"</pre>
<span id="{a}"></span>
<h2><a href="#{a}">{h1}.{h2}. {b}</a></h2>
<pre>"##,
a = heading_sanitized,
b = heading,
h1 = level_1_heading_num,
h2 = level_2_heading_num,
).as_bytes())?;
} else if line.starts_with("#") {
let heading = line.get(2..).unwrap();
let heading_sanitized = sanitize(heading.to_string());
level_1_heading_num += 1;
level_2_heading_num = 0;
level_3_heading_num = 0;
level_4_heading_num = 0;
level_5_heading_num = 0;
file.write_all(format!(r##"</pre>
<span id="{a}"></span>
<h1><a href="#{a}">{h1}. {b}</a></h1>
<pre>"##,
a = heading_sanitized,
b = heading,
h1 = level_1_heading_num
).as_bytes())?;
} else if line.starts_with("> ") {
let line = line.replace("<", "<");
let line = line.get(2..).unwrap();
file.write_all(format!("</pre><pre class=\"code\">{}</pre><pre>\n", line).as_bytes())?;
} else if line.starts_with(":::tree") {
// TODO: add some parameter controlling if the list is ascending or descending (reverse the list before writing)
// get all dirs in the current dir recursively
let tree_files_path = Path::new(in_path).join(raw_path);
let mut tree_files
= recursive_read_dir(&tree_files_path, true)?;
// sort them, otherwise we'll get complete chaos
tree_files.sort();
for path in tree_files {
// strip the inpath prefix and raw_path prefix, as we don't need
// them
let path
= path.strip_prefix(in_path)
.expect("could not strip in_file prefix")
.strip_prefix(raw_path)
.expect("could not strip raw_path prefix");
// convert the path to a string, check if it contains a hidden
// path by checking if it contains a `/.`, if so, skip this one
if String::from(path.to_str().unwrap()).contains("/.") {
continue
}
if String::from(path.to_str().unwrap()).starts_with(".") {
continue
}
println!("[i] {:?}", path);
// write the link and the entry name to the file
let link = Path::new(raw_path).join(path);
let name = path.file_name().unwrap().to_str().unwrap();
// count the amount of segments in the path and write spaces for
// each
let segments = path.iter().count();
for _ in 0..(segments-1) {
file.write_all(r#" "#.as_bytes())?;
}
file.write_all(
format!("<a href=\"/{}\">{}</a>\n",
link.display(), name,
).as_bytes()
)?;
}
} else if line.starts_with(":::toc") {
// TODO: depth parameter for controlling the depth of the table of contents
let mut level_1_num = 0;
let mut level_2_num = 0;
let mut level_3_num = 0;
let mut level_4_num = 0;
let mut level_5_num = 0;
for line in readme.split('\n') {
if line.starts_with("#####") {
let line = line.get(6..).unwrap();
// trim the line to remove the trailing whitespace
let line = line.trim();
level_5_num += 1;
file.write_all(
format!(
r##" <a href="#{}">{}.{}.{}.{}.{}. {}</a>
"##,
sanitize(line.to_string()),
level_1_num,
level_2_num,
level_3_num,
level_4_num,
level_5_num,
line
).as_bytes()
)?;
} else if line.starts_with("####") {
let line = line.get(5..).unwrap();
// trim the line to remove the trailing whitespace
let line = line.trim();
level_4_num += 1;
level_5_num = 0;
file.write_all(
format!(
r##" <a href="#{}">{}.{}.{}.{}. {}</a>
"##,
sanitize(line.to_string()),
level_1_num,
level_2_num,
level_3_num,
level_4_num,
line
).as_bytes()
)?;
} else if line.starts_with("###") {
let line = line.get(4..).unwrap();
// trim the line to remove the trailing whitespace
let line = line.trim();
level_3_num += 1;
level_4_num = 0;
level_5_num = 0;
file.write_all(
format!(
r##" <a href="#{}">{}.{}.{}. {}</a>
"##,
sanitize(line.to_string()),
level_1_num,
level_2_num,
level_3_num,
line
).as_bytes()
)?;
} else if line.starts_with("##") {
let line = line.get(3..).unwrap();
let line = line.trim();
level_2_num += 1;
level_3_num = 0;
level_4_num = 0;
level_5_num = 0;
file.write_all(
format!(
//r##" <a href="#{}">{}.{}. {}</a>
r##" <a href="#{}">{}.{}. {}</a>
"##,
sanitize(line.to_string()),
level_1_num,
level_2_num,
line
).as_bytes()
)?;
} else if line.starts_with("#") {
let line = line.get(2..).unwrap();
let line = line.trim();
level_1_num += 1;
level_2_num = 0;
level_3_num = 0;
level_4_num = 0;
level_5_num = 0;
file.write_all(
format!(
r##"<a href="#{}">{}. {}</a>
"##,
sanitize(line.to_string()),
level_1_num,
line
).as_bytes()
)?;
}
}
} else {
// for the case that nothing of the above matches, just write the
// content into the html body as it is
file.write_all(format!("{}\n", line).as_bytes())?;
}
}
Ok(())
}
fn write_footer(file: &mut File) -> std::io::Result<()> {
file.write_all(format!(r#"<br>
<br>
<br>
</pre>
<a href="https://lieu.cblgh.org/" target="_blank" rel="noopener" class="icon"><img class="webring" src="/lieu.svg" alt="lieu webring search engine" height="32px"/></a>
<a href="https://webring.xxiivv.com/#emile" target="_blank" rel="noopener" class="icon"><img class="webring" src="/webring.svg" alt="XXIIVV webring" height="32px"/></a>
<a rel="me" href="https://chaos.social/@hanemile" target="_blank" class="icon"><img class="webring" src="/mastodon.svg" alt="mastodon" height="32px"/></a>
<pre>emile - {:?} - generated using <a href="https://github.com/hanemile/vokobe">vokobe {:?}</a><pre>
</body>
</html>
"#,
time::SystemTime::now().duration_since(time::SystemTime::UNIX_EPOCH).unwrap(),
env!("CARGO_PKG_VERSION")
).as_bytes())?;
Ok(())
}
/// sanitize the given string (to lower + space to hypen + keep only
/// [a-zA-Z0-9])
fn sanitize(input: String) -> String {
let input = input.replace(" ", "-");
input
.chars()
.filter(|c| c.is_ascii_alphanumeric() || c.eq(&'-'))
.collect::<String>()
.to_lowercase()
}
/// Return a list of all files in the directory, recursively.
fn recursive_read_dir(dir: &PathBuf, dir_only: bool) -> io::Result<Vec<PathBuf>> {
// return an empty vec if the given path is not a directory
if dir.is_dir() == false {
return Ok(vec![]);
}
if dir.starts_with(".") {
return Ok(vec![]);
}
// get all entries in the gitignore file, if it exists
let gitignore_entries: Vec<PathBuf> = gitignore_entries(&dir)?;
// store the child pathes
let mut entries: Vec<PathBuf> = Vec::new();
// iterate over all items in the dir, pushing the dirs pathes to the dirs
// vector for returning it
'outer: for entry in fs::read_dir(dir)? {
let dir_entry = &entry?;
let path = dir_entry.path();
// skip hidden folders
if path.starts_with(".") {
//continue 'outer;
break 'outer;
}
if dir.starts_with(".") {
//continue 'outer;
break 'outer;
}
// check if the current entry is part of the gitignore, if so, skip it
for gitignore_entry in &gitignore_entries {
if gitignore_entry.to_str() == Some("") {
continue;
}
if path.ends_with(gitignore_entry) {
continue 'outer;
}
}
if dir_only == true {
if path.is_dir() {
entries.push(path.to_path_buf());
}
} else {
entries.push(path.to_path_buf());
}
// recursively push all dirs from all children to the dirs vector
let subdirs = recursive_read_dir(&path, dir_only)?;
for subdir in subdirs {
entries.push(subdir)
}
}
// return the dirs, the ones from this folder and the ones from all child folders
Ok(entries)
}
// try to open the gitignore file and read all entries from there.
fn gitignore_entries(dir: &PathBuf) -> io::Result<Vec<PathBuf>> {
let gitignore_path = Path::new(&dir)
.join(Path::new(".gitignore"));
let mut entries: Vec<PathBuf> = Vec::new();
if let Ok(gitignore) = File::open(&gitignore_path) {
let reader = BufReader::new(gitignore);
for line in reader.lines() {
entries.push(PathBuf::from(line?));
}
}
Ok(entries)
}
|
