first commit

cracked_md/src/lib.rs

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+#![deny(dead_code, unused_imports)]
+
+use fstools::crawl_fs;
+use parser::parse;
+use std::{
+    fmt::Display,
+    fs::{self, File},
+    io::Write,
+    path::PathBuf,
+};
+use to_html::ToHtml;
+
+pub mod ast;
+pub mod parser;
+pub mod to_html;
+
+#[derive(Debug)]
+pub enum Error {
+    OutDirIsNotEmpty,
+    OutDirFileDeleteNotAllowed,
+    OutDirDirectoryInPlaceOfFile,
+    FileRead,
+    DirRead,
+    FileWrite,
+    FileCreate,
+    DirCreate,
+}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", &self)
+    }
+}
+
+impl std::error::Error for Error {}
+
+type Result<T> = std::result::Result<T, crate::Error>;
+
+pub fn generate(indir: &PathBuf, outdir: &PathBuf, force: bool) -> Result<()> {
+    let files = crawl_fs(indir);
+
+    for path in files {
+        let fullpath = indir.as_path().join(&path);
+
+        // read and parse md file
+        let content = fs::read_to_string(&fullpath).map_err(|_e| Error::FileRead)?;
+        let html = parse(&content).to_html();
+
+        // write html data to file
+        let mut newpath = outdir.to_owned();
+        newpath.push(path);
+        newpath.set_extension("html");
+
+        // check if path exists
+        if newpath.exists() {
+            // remove if is file and if force, otherwise error
+            if newpath.is_file() && force {
+                fs::remove_file(&newpath).map_err(|_e| Error::OutDirFileDeleteNotAllowed)?;
+            } else {
+                Err(Error::OutDirDirectoryInPlaceOfFile)?;
+            }
+        }
+
+        //println!("About to write file '{}'", newpath.display());
+
+        let parent = newpath.parent().ok_or(Error::DirCreate)?;
+        fs::create_dir_all(parent).map_err(|_e| Error::DirCreate)?;
+        let mut newfile = File::create_new(newpath).map_err(|_e| Error::FileCreate)?;
+
+        newfile
+            .write(html.as_bytes())
+            .map_err(|_e| Error::FileWrite)?;
+    }
+
+    Ok(())
+}