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Add command-line arguments to dmdoc

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This commit is contained in:
Tad Hardesty 2019-09-29 12:57:07 -07:00
parent f24e8d25a2
commit 668bb4787a
1 changed files with 26 additions and 9 deletions
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35
src/dmdoc/main.rs
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@ -36,16 +36,30 @@ thread_local! {
}
fn main() -> Result<(), Box<dyn std::error::Error>> {
for arg in std::env::args() {
// command-line args
let mut environment = None;
let mut output_path = "dmdoc".to_owned();
let mut modules_path = "code".to_owned();
let mut args = std::env::args();
let _ = args.next(); // skip executable name
while let Some(arg) = args.next() {
if arg == "-V" || arg == "--version" {
println!("{}", BUILD_INFO);
return Ok(());
} else if arg == "-e" {
environment = Some(args.next().expect("must specify a value for -e"));
} else if arg == "-o" {
output_path = args.next().expect("must specify a value for -o");
} else if arg == "--modules" {
modules_path = args.next().expect("must specify a value for --modules");
} else {
return Err(format!("unknown argument: {}", arg).into());
}
}
// TODO: command-line args
let output_path: &Path = "dmdoc".as_ref();
let modules_path: &Path = "code".as_ref();
let output_path: &Path = output_path.as_ref();
let modules_path: &Path = modules_path.as_ref();
// load tera templates
println!("loading templates");
@ -80,11 +94,14 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
});
// parse environment
let environment = match dm::detect_environment_default()? {
Some(env) => env,
None => {
eprintln!("Unable to find a .dme file in this directory");
return Ok(());
let environment = match environment {
Some(e) => e.into(),
None => match dm::detect_environment_default()? {
Some(env) => env,
None => {
eprintln!("Unable to find a .dme file in this directory");
return Ok(());
}
}
};
println!("parsing {}", environment.display());