use std::error::Error;
use std::fs::File;
use std::io::prelude::*;
use std::path::Path;
#[macro_use]
extern crate nom;
#[macro_use]
extern crate bitflags;
use nom::IResult;
pub mod constant_info;
pub mod attribute_info;
pub mod method_info;
pub mod field_info;
pub mod types;
pub mod parser;
pub use parser::class_parser;
pub use types::*;
pub fn parse_class(class_name: &str) -> Result<ClassFile, String> {
let class_file_name = &format!("{}.class", class_name);
let path = Path::new(class_file_name);
let display = path.display();
let mut file = match File::open(&path) {
Err(why) => return Err(format!("Unable to open {}: {}", display, Error::description(&why))),
Ok(file) => file,
};
let mut class_bytes = Vec::new();
match file.read_to_end(&mut class_bytes) {
Err(why) => return Err(format!("Unable to read {}: {}", display, Error::description(&why))),
Ok(_) => println!("{} contains {} bytes.", display, class_bytes.len()),
};
let parsed_class = class_parser(&class_bytes);
match parsed_class {
IResult::Done(_, c) => Ok(c),
_ => Err("Failed to parse class?".to_string()),
}
}