From 364059abef99c04e5210fb1ee437a3ec5bb67bcb Mon Sep 17 00:00:00 2001
From: CrispyPin <crispin@tasa.se>
Date: Fri, 26 Apr 2024 14:40:44 +0200
Subject: [PATCH] init

---
 .gitignore   |   3 +
 Cargo.lock   |   7 +++
 Cargo.toml   |   8 +++
 README.md    |  12 ++++
 rustfmt.toml |   1 +
 src/main.rs  | 166 +++++++++++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 197 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 README.md
 create mode 100644 rustfmt.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9624d02
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/target
+/write
+/site
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..5ea6197
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "htmd"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..77b1bed
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "htmd"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..53f4661
--- /dev/null
+++ b/README.md
@@ -0,0 +1,12 @@
+# static site generator
+
+all files get copied from the `write` dir to the `site` dir
+md files get converted to html in the process
+using `template.html`, which should include `TITLE` and `CONTENT`
+utf-8 is required
+
+/blog/post_1.md -> /blog/post_1/index.html
+/blog/ferret.mp4 -> /blog/post_1/ferret.mp4
+
+/blog/post_2/post_2.md -> /blog/post_2/index.html
+/blog/post_2/cat.png -> /blog/post_2/cat.png
diff --git a/rustfmt.toml b/rustfmt.toml
new file mode 100644
index 0000000..218e203
--- /dev/null
+++ b/rustfmt.toml
@@ -0,0 +1 @@
+hard_tabs = true
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..174c815
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,166 @@
+use std::{
+	error::Error,
+	ffi::OsStr,
+	fs::{read_dir, read_to_string, File},
+	io::Write,
+	path::{Path, PathBuf},
+};
+
+const SRC_DIR: &str = "write";
+const OUT_DIR: &str = "site";
+type Result = core::result::Result<(), Box<dyn Error>>;
+
+fn main() -> Result {
+	let src_dir = PathBuf::from(SRC_DIR);
+	build_dir(&src_dir)
+}
+
+fn build_dir(dir: &Path) -> Result {
+	for entry in read_dir(dir).unwrap().flatten() {
+		let ftype = entry.file_type()?;
+		if ftype.is_dir() {
+			build_dir(&entry.path())?;
+		} else if ftype.is_file() {
+			build_file(&entry.path())?;
+		}
+	}
+	Ok(())
+}
+
+fn build_file(path: &Path) -> Result {
+	if path.extension().and_then(OsStr::to_str) == Some("md") {
+		convert_file(path)
+	} else {
+		todo!("move file")
+	}
+}
+
+#[derive(Debug, Clone, PartialEq)]
+enum S {
+	None,
+	P,
+	Code,
+	UList,
+	OList,
+}
+
+fn convert_file(path: &Path) -> Result {
+	let markdown = read_to_string(path)?;
+	let out_path = PathBuf::from(OUT_DIR).join(path.strip_prefix(SRC_DIR)?);
+	let out_path = out_path.with_extension("html");
+
+	let mut html = String::new();
+	let mut state = S::None;
+
+	for line in markdown.lines() {
+		if line.starts_with("```") {
+			if state == S::Code {
+				html += "</pre>\n";
+				state = S::None;
+				continue;
+			} else {
+				if state == S::P {
+					html += "</p>\n";
+				}
+				state = S::Code;
+				html += "<pre>\n";
+				continue;
+			}
+		}
+
+		if state == S::Code {
+			html += line;
+			html += "\n";
+			continue;
+		}
+
+		if let Some((start, header)) = line.split_once(' ') {
+			let level = start.len();
+			if (1..=6).contains(&level) && start.chars().all(|c| c == '#') {
+				if state == S::P {
+					state = S::None;
+					html += "</p>\n";
+				}
+				let header = &convert_line(header);
+				html += &format!("<h{level}>{header}</h{level}>\n");
+				continue;
+			}
+		}
+
+		if state == S::P && line.is_empty() {
+			state = S::None;
+			html += "</p>\n";
+		} else if !line.is_empty() {
+			if state == S::None {
+				state = S::P;
+				html += "<p>\n";
+			}
+			html += &convert_line(line);
+			html += "<br>\n";
+		}
+	}
+
+	let template = read_to_string("template.html")?;
+	let html = template.replace("CONTENT HERE", &html);
+
+	let mut file = File::create(out_path)?;
+	file.write_all(html.as_bytes())?;
+
+	Ok(())
+}
+
+fn convert_line(source: &str) -> String {
+	let mut out = String::new();
+	let mut is_em = false;
+	let mut is_b = false;
+	let mut is_code = false;
+	let mut is_ul = false;
+	let toggle = |state: bool, tag: &str| {
+		if state {
+			format!("<{tag}>")
+		} else {
+			format!("</{tag}>")
+		}
+	};
+
+	let mut chars = source.chars().peekable();
+	while let Some(c) = chars.next() {
+		if c == '*' {
+			if chars.peek() == Some(&'*') {
+				_ = chars.next();
+				is_b = !is_b;
+				//				out += b_tag();
+				out += &toggle(is_b, "strong");
+			} else {
+				is_em = !is_em;
+				out += &toggle(is_em, "em");
+				//				out += if is_em { "<em>" } else { "</em>" };
+			}
+		} else if c == '`' {
+			is_code = !is_code;
+			out += &toggle(is_code, "code");
+
+		//			out += if is_code { "<code>" } else { "</code>" };
+		} else if c == '_' {
+			is_ul = !is_ul;
+			out += &toggle(is_ul, "u");
+
+		//			out += if is_ul { "<u>" } else { "</u>" };
+		} else {
+			out.push(c);
+		}
+	}
+	if is_em {
+		out += &toggle(false, "em");
+	}
+	if is_b {
+		out += &toggle(false, "b");
+	}
+	if is_code {
+		out += &toggle(false, "code");
+	}
+	if is_ul {
+		out += &toggle(false, "u");
+	}
+	out
+}