feat(pff2): Added font parser

Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "theme-parser"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+anyhow = "1.0.79"
+clap = { version = "4.4.18", features = ["derive"] }
+nom = "7.1.3"
+thiserror = "1.0.56"
+
+[dev-dependencies]
+test-case = "3.3.1"

examples/pff2.rs

@@ -0,0 +1,35 @@
+//! A minimal font.pf2 parser impl that prints the parsed Rust struct
+
+use std::fs::read;
+
+use args::Args;
+use clap::Parser as _;
+use theme_parser::pff2::Parser;
+
+mod args {
+    use std::path::PathBuf;
+
+    use clap::Parser;
+
+    #[derive(Parser)]
+    pub struct Args {
+        #[clap(long, short = 'f')]
+        pub font_file: PathBuf,
+    }
+}
+
+fn main() -> anyhow::Result<()> {
+    let args = Args::parse();
+
+    let data = read(args.font_file)?;
+    let font = Parser::parse(&data).unwrap().validate();
+
+    let print = format!("{font:#?}")
+        .split("\n")
+        .take(100)
+        .fold(String::new(), |print, line| print + line + "\n");
+
+    println!("{print}");
+
+    Ok(())
+}

src/lib.rs

@@ -1,5 +1,12 @@
+use std::rc::Rc;
+
 #[cfg(test)]
 #[macro_use]
 extern crate test_case;
 
+extern crate thiserror;
+
+pub mod pff2;
 pub mod theme_txt;
+
+pub type OwnedSlice<T> = Rc<T>;