diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/main.rs | 473 |
1 files changed, 473 insertions, 0 deletions
diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..6f24c4f --- /dev/null +++ b/src/main.rs @@ -0,0 +1,473 @@ +// 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}; +use std::fs::{self, File}; +use std::time; + +fn main() -> std::io::Result<()> { + + // the input and output pathes + let in_path = Path::new("../emile.space/in").to_path_buf(); + let out_path = Path::new("../emile.space/out").to_path_buf(); + + println!("inpath: {}", in_path.display()); + println!("outpath: {}", out_path.display()); + + // read the style + let mut style_file = File::open("./style.css")?; + let mut style = String::new(); + style_file.read_to_string(&mut style)?; + + // read all dirs in the input path + let pathes = recursive_read_dir(&in_path, false)?; + + println!("---"); + for path in pathes { + println!("\n"); + println!("[i] {}", path.as_os_str().to_str().unwrap()); + + let stripped_path = path.strip_prefix(&in_path) + .expect("could not strip the in_path prefix"); + + // 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(&out_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(); + 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") { + println!("\tstripped_path: {:?}", stripped_path); + + // 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"); + println!("\traw_path: {:?}", raw_path); + + // out + rawpath + let index_path = out_path.join(raw_path); + println!("\tindex_path: {:?}", index_path); + + // (out + rawpath) + "index.html" + let index_file = index_path.join("index.html"); + println!("\tindex_file: {:?}", index_file); + + // - 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)?; + + write_header(&mut file, &style)?; + write_body_start(&mut file)?; + write_nav(&mut file, in_path.as_path(), raw_path)?; + 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 +fn write_header(file: &mut File, 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>emile.space</title> + + <style> + {} + </style> +</head> + "#, style).as_bytes())?; + + Ok(()) +} + +fn write_body_start(file: &mut File) -> std::io::Result<()>{ + file.write_all(format!(r#" +<body> + <header> + <a href="/">emile.space</a> + </header>"#).as_bytes())?; + + Ok(()) +} + +/// Write the navigation section to the given file +fn write_nav(file: &mut File, in_path: &Path, raw_path: &Path) + -> std::io::Result<()> { + + //////////////////////////////////////////////////////////////////////////// + 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; + + println!("\tsubpath_components:"); + subpath_components.iter().for_each(|c| { + println!("\t\t{:?}", c); + }); + + 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(".."); + + println!("\t\tsubpath_path: {:?}", subpath_path); + + // 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("could not strip inpath prefix"); + + let link = Path::new("/").join(rel_link); + let link = link.as_path().to_str().unwrap(); + + println!("\t\t\t{:?} {:?}", name, link); + + if name == nav_breadcrumb_name { + 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> + </nav>"#).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); + + println!("\tsame_level:"); + println!("\t\t{:?}", search_path); + + let mut dirs: Vec<PathBuf> = Vec::new(); + let mut files: Vec<PathBuf> = Vec::new(); + + let mut vertical: bool = false; + + for entry in fs::read_dir(search_path)? { + let path = &entry?.path(); + + if path.is_dir() { + dirs.push(path.to_path_buf()); + println!("\t\t\t{:?}", path); + } + if path.is_file() { + files.push(path.to_path_buf()); + if path.file_name().unwrap() == "vertical" { + vertical = true; + } + println!("\t\t\t{:?}", path); + } + } + + 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(); + + file.write_all(format!(r#" + <li><a href="{}">{}/</a></li>"#, link_str, name).as_bytes())?; + println!("\t\t{} {}", link_str, name); + } + + 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())?; + + // cheap markdown 2 html converter + for line in readme.split('\n') { + + if line.starts_with("###") { + let heading = line.get(4..).unwrap(); + let heading_sanitized = sanitize(heading.to_string()); + + file.write_all(format!(r##"</pre> + <span id="{a}"></span> + <h3><a href="#{a}">{b}</a></h3> + <pre>"##, a = heading_sanitized, b = heading).as_bytes())?; + + } else if line.starts_with("##") { + let heading = line.get(3..).unwrap(); + let heading_sanitized = sanitize(heading.to_string()); + + file.write_all(format!(r##"</pre> + <span id="{a}"></span> + <h2><a href="#{a}">{b}</a></h2> + <pre>"##, a = heading_sanitized, b = heading).as_bytes())?; + + } else if line.starts_with("#") { + let heading = line.get(2..).unwrap(); + let heading_sanitized = sanitize(heading.to_string()); + + file.write_all(format!(r##"</pre> + <span id="{a}"></span> + <h1><a href="#{a}">{b}</a></h1> + <pre>"##, a = heading_sanitized, b = heading).as_bytes())?; + + } else if line.starts_with(">") { + let line = line.get(1..).unwrap(); + file.write_all(format!("</pre><pre class=\"code\">{}</pre><pre>\n", line).as_bytes())?; + + } else if line.starts_with(":::tree") { + + // 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"); + + + // 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())?; + } + + // write the linke and the entry name to the file + let link = Path::new(raw_path).join(path); + file.write_all( + format!("<a href=\"/{}\">{}</a>\n", + link.display(), + path.file_name().unwrap().to_str().unwrap() + ).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> +——— +emile - {:?} +</body> +</html> + <pre>"#, + time::SystemTime::now() + .duration_since(time::SystemTime::UNIX_EPOCH).unwrap() + ).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![]); + } + + // 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 returnin it + for entry in fs::read_dir(dir)? { + let path = &entry?.path(); + + 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) +} \ No newline at end of file |
