From 7a0aad81aa8319835e6626ab03d9584c4cc5804b Mon Sep 17 00:00:00 2001
From: DarkCat09 <gh@dc09.ru>
Date: Fri, 25 Oct 2024 17:02:00 +0400
Subject: [PATCH] feat: try_mkdirs(), test markdown parser

---
 .gitignore      |  1 +
 src/main.rs     | 26 ++++++++++++++-----
 src/markdown.rs | 69 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 89 insertions(+), 7 deletions(-)
 create mode 100644 src/markdown.rs

diff --git a/.gitignore b/.gitignore
index ea8c4bf..4f96631 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /target
+/dist
diff --git a/src/main.rs b/src/main.rs
index 717a6a5..e5a5916 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,5 @@
+mod markdown;
+
 use std::{
     ffi::OsString,
     path::{Path, PathBuf},
@@ -29,17 +31,22 @@ fn main() {
 
         match src.extension().map(|ext| ext.as_encoded_bytes()) {
             Some(b"md") => {
-                let dst = get_dist_path(src, &src_dir, &dst_dir);
-                if check_outdated(src, dst.with_extension("html"))
-                    || check_outdated(src, dst.with_extension("gmi"))
-                {
-                    //
+                let (html, gmi) = {
+                    let dst = get_dist_path(src, &src_dir, &dst_dir);
+                    (dst.with_extension("html"), dst.with_extension("gmi"))
+                };
+                if check_outdated(src, &html) || check_outdated(src, &gmi) {
+                    let _ = try_mkdirs(&html);
+                    if let Err(e) = markdown::compile_markdown(src, html, gmi) {
+                        eprintln!("Could not compile content: {:?}", e);
+                    }
                 }
             }
 
             Some(b"css") => {
                 let dst = get_dist_path(src, &src_dir, &dst_dir);
-                if check_outdated(src, dst) {
+                if check_outdated(src, &dst) {
+                    let _ = try_mkdirs(&dst);
                     //
                 }
             }
@@ -49,7 +56,7 @@ fn main() {
     }
 }
 
-#[inline(always)]
+#[inline]
 fn get_dist_path(
     src: impl AsRef<Path>,
     src_dir: impl AsRef<Path>,
@@ -60,6 +67,11 @@ fn get_dist_path(
         .join(src.as_ref().strip_prefix(&src_dir).unwrap())
 }
 
+#[inline]
+fn try_mkdirs(dst: impl AsRef<Path>) -> std::io::Result<()> {
+    std::fs::create_dir_all(dst.as_ref().parent().unwrap_or_else(|| Path::new("/")))
+}
+
 fn check_outdated(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> bool {
     let up_to_date = dst
         .as_ref()
diff --git a/src/markdown.rs b/src/markdown.rs
new file mode 100644
index 0000000..575064b
--- /dev/null
+++ b/src/markdown.rs
@@ -0,0 +1,69 @@
+use std::{io::BufWriter, path::Path};
+
+use pulldown_cmark::{Options, Parser};
+
+pub fn compile_markdown(
+    src: impl AsRef<Path>,
+    html: impl AsRef<Path>,
+    gmi: impl AsRef<Path>,
+) -> std::io::Result<()> {
+    let src_text = std::fs::read_to_string(src)?;
+
+    let html = create_file(html)?;
+    let gmi = create_file(gmi)?;
+
+    for event in Parser::new_ext(&src_text, Options::all()) {
+        use pulldown_cmark::Event::*;
+
+        match event {
+            Start(tag) => {
+                use pulldown_cmark::Tag::*;
+
+                println!("{tag:?}");
+            }
+
+            End(tag) => {
+                use pulldown_cmark::Tag::*;
+
+                println!("{tag:?}");
+            }
+
+            Text(text) => {
+                println!("!{text}!");
+            }
+
+            Code(code) => {
+                println!("`{code}`");
+            }
+
+            SoftBreak => {}
+
+            HardBreak => {
+                println!("<br>");
+            }
+
+            Rule => {
+                println!("------");
+            }
+
+            TaskListMarker(state) => {
+                println!("[{state}] task");
+            }
+
+            other => {
+                eprintln!("Unsupported markdown event: {:?}", other);
+            }
+        }
+    }
+
+    Ok(())
+}
+
+#[inline(always)]
+fn create_file(path: impl AsRef<Path>) -> std::io::Result<BufWriter<std::fs::File>> {
+    let f = std::fs::OpenOptions::new()
+        .create(true)
+        .write(true)
+        .open(path)?;
+    Ok(BufWriter::new(f))
+}