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extern crate modelthing;
extern crate rustc_serialize;
extern crate getopts;
use modelthing::modelica_parser;
use modelthing::transpile_scheme::TranspileScheme;
use modelthing::transpile_js::TranspileJS;
use getopts::Options;
use std::env;
use std::io::Read;
use std::fs::File;
use std::path::Path;
use std::time::Instant;
use std::process::exit;
fn parse_modelica_files(paths: Vec<String>) {
for input in &paths {
let mut s = String::new();
if let Err(err) = File::open(input).and_then(|mut f| f.read_to_string(&mut s)) {
println!("Input `{}`: I/O Error {}",
input, err);
continue;
}
let time_stamp = Instant::now();
let result = modelica_parser::parse_model(&s);
let elapsed = time_stamp.elapsed();
let elapsed = elapsed.as_secs() as f64 + elapsed.subsec_nanos() as f64 / 1000_000_000.0;
match result {
Ok(_) => println!("Input `{}` ({}s): OK", input, elapsed),
Err(err) => println!("Input `{}` ({}s): parse error {:?}", input, elapsed, err),
}
}
}
fn print_usage(opts: Options) {
let brief = "usage:\tmt-tool <CMD> [options]";
println!("");
print!("{}", opts.usage(&brief));
println!("");
println!(r#"Commands:
parse <file> checks that file contains a valid modelica model
list dumps all the known models in database
load <dir> checks that directory contains valid model and metadata
"#);
}
fn main() {
let args: Vec<String> = env::args().collect();
let mut opts = Options::new();
opts.optflag("h", "help", "print this help menu");
opts.optflag("", "version", "print the version");
let matches = match opts.parse(&args[1..]) {
Ok(m) => m,
Err(f) => {
println!("{}\n", f.to_string());
print_usage(opts);
exit(-1);
}
};
if matches.opt_present("help") {
print_usage(opts);
return;
}
if matches.opt_present("version") {
println!("modelthing {}", env!("CARGO_PKG_VERSION"));
return;
}
if matches.free.is_empty() {
println!("At least a CMD is required; see --help");
exit(-1);
}
let cmd = matches.free[0].clone();
match cmd.as_str() {
"parse" => { parse_modelica_files(matches.free[1..].iter().map(|x| x.to_string()).collect()); },
"transpile_scheme" => {
if matches.free.len() != 2 {
println!("Expected a single path to load");
exit(-1);
}
let me = modelthing::load_model_entry(Path::new(&matches.free[1])).unwrap();
println!("{}", me.ast.repr_scheme().unwrap());
},
"transpile_js" => {
if matches.free.len() != 2 {
println!("Expected a single path to load");
exit(-1);
}
let me = modelthing::load_model_entry(Path::new(&matches.free[1])).unwrap();
println!("{}", me.ast.repr_js().unwrap());
},
"list" => {
// XXX: search path?
for m in modelthing::search_models(Path::new("examples")) {
println!("{}", m)
}
},
"load" => {
if matches.free.len() != 2 {
println!("Expected a single path to load");
exit(-1);
}
let me = modelthing::load_model_entry(Path::new(&matches.free[1])).unwrap();
println!("{:?}", me);
},
unknown => { println!("Unknown command: {}", unknown); exit(-1); },
}
}
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