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#![allow(unused)]
use anyhow::Result;
use markdown;
use std::env;
use std::fs;
use std::fs::File;
use std::path::Path;
use std::path::PathBuf;
use walkdir::WalkDir;
macro_rules! string_to_bool {
($str:expr) => {
match &$str.to_lowercase().as_str()[0..4] {
"true" => true,
_ => false,
}
};
}
struct HTMLFile {
file_name: String,
date: String,
toc: bool,
header: bool,
title: String,
description: String,
content: String,
}
fn meta_data_extractor(content: &str) -> (String, String, String, bool, bool) {
let lines = content.lines();
let (mut date, mut title, mut desc) = (String::new(), String::new(), String::new());
let mut toc: bool = true;
let mut header: bool = true;
for line in lines {
let meta_data = line.split('=').collect::<Vec<&str>>();
match meta_data[0].trim_start().trim_end() {
"date" => date = meta_data[1].to_string(),
"title" => title = meta_data[1].to_string(),
"description" => desc = meta_data[1].to_string(),
"toc" => toc = string_to_bool!(meta_data[1].to_string().trim_start()),
"header" => header = string_to_bool!(meta_data[1].to_string().trim_start()),
"" => (),
&_ => println!(
"Header not found |{}|",
meta_data[0].trim_start().trim_end()
),
}
}
return (date, title, desc, toc, header);
}
fn markdown_to_html(path: String, content: String) -> HTMLFile {
let mut end: usize = 0;
if &content[0..3] != "+++" {
println!("It doesnt pass");
}
let end_wrapped = content[3..].find("+++");
if Some(end_wrapped) == Some(None) {
println!("It doesnt pass");
}
let end = end_wrapped.unwrap();
let meta_data = &content[3..end + 2];
let (date, title, description, toc, header) = meta_data_extractor(meta_data);
let mut options = markdown::Options::gfm();
options.compile.allow_dangerous_html = true;
let mut html = markdown::to_html_with_options(&content[end + 7..], &options).unwrap();
let mut file_name = std::path::Path::new(&path)
.display()
.to_string()
.replacen("content", "public", 1);
if file_name != "public/index.md" {
file_name = file_name[0..(file_name.len() - 3)].to_string() + "/index.html";
html = fs::read_to_string("templates/post.html")
.unwrap()
.replace("{{content}}", &html)
.replace("{{title}}", &title)
.replace("{{description}}", &description);
} else {
file_name = "public/index.html".to_string();
html = fs::read_to_string("templates/index.html")
.unwrap()
.replace("{{content}}", &html)
.replace("{{title}}", &title)
.replace("{{description}}", &description);
}
return HTMLFile {
file_name,
date,
title,
description,
content: html,
toc,
header,
};
}
fn write_html_from_md(path: &Path) {
let contents_read = fs::read_to_string(path).unwrap();
let f: HTMLFile = markdown_to_html(path.display().to_string(), contents_read);
println!("{}", f.file_name);
let path = Path::new(&f.file_name);
if let Some(parent) = path.parent() {
fs::create_dir_all(parent);
}
fs::write(path, f.content);
}
fn copy_dir(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> std::io::Result<()> {
fs::create_dir_all(&dst)?;
for entry in fs::read_dir(src)? {
let entry = entry?;
let ty = entry.file_type()?;
if ty.is_dir() {
copy_dir(entry.path(), dst.as_ref().join(entry.file_name()))?;
} else {
fs::copy(entry.path(), dst.as_ref().join(entry.file_name()))?;
}
}
Ok(())
}
fn generate_lists(dir: PathBuf) -> std::io::Result<()> {
let mut dir_names: Vec<String> = vec![];
for entry in fs::read_dir(&dir)? {
let entry = entry?;
if entry.path().to_string_lossy().ends_with("index.html") {
continue;
} else {
generate_lists(entry.path());
}
dir_names.push(entry.path().to_string_lossy().to_string());
}
// there is a index.html, then skip
// read all the directories inside the directory and save it to index.html
if dir_names.len() > 0 {
if &dir.to_string_lossy() != "public/" {
// println!("{:?} - {:?}", &dir.to_string_lossy(), dir_names);
vec2html(dir.to_string_lossy().to_string(), dir_names);
}
}
Ok(())
}
fn vec2html(mut path: String, dir_names: Vec<String>) {
path = path + "/index.html";
let mut content = String::new();
println!("File: {}", path);
content += "<ul>\n";
for dir in dir_names {
let names = dir.split("/").collect::<Vec<&str>>();
content += &"<li><a href={dir}>{name}</a></li>\n"
.replace("{dir}", &dir[6..])
.replace("{name}", &names[names.len() - 1].replace("-", " "));
}
content += "</ul>";
content = fs::read_to_string("templates/list.html")
.unwrap()
.replace("{{content}}", &content);
fs::write(path, content);
}
fn main() -> Result<()> {
// copy index.html to public/
fs::copy("templates/index.html", "public/index.html");
///
for file in WalkDir::new("content/").into_iter().filter_map(|e| e.ok()) {
let file_name = file.file_name().to_string_lossy();
if file_name.ends_with(".md") {
write_html_from_md(file.path());
}
}
generate_lists("public/".into());
// copy static folder to public folder
copy_dir(Path::new("static"), Path::new("public"));
Ok(())
}
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