diff options
| -rw-r--r-- | Cargo.lock | 7 | ||||
| -rw-r--r-- | Cargo.toml | 1 | ||||
| -rw-r--r-- | src/main.rs | 18 |
3 files changed, 23 insertions, 3 deletions
@@ -310,6 +310,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "a246d82be1c9d791c5dfde9a2bd045fc3cbba3fa2b11ad558f27d01712f00569" [[package]] +name = "exitcode" +version = "1.1.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "de853764b47027c2e862a995c34978ffa63c1501f2e15f987ba11bd4f9bba193" + +[[package]] name = "flate2" version = "1.0.20" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -332,6 +338,7 @@ name = "formurapid" version = "0.0.1" dependencies = [ "derive_builder", + "exitcode", "getopts", "pdf_forms", "serde", @@ -5,6 +5,7 @@ edition = "2018" [dependencies] derive_builder = "0.10.0" +exitcode = "1.1.2" getopts = "0.2.21" pdf_forms = "0.3.4" serde = { version = "1.0.125", features = ["derive"] } diff --git a/src/main.rs b/src/main.rs index aac82d7..8961809 100644 --- a/src/main.rs +++ b/src/main.rs @@ -7,6 +7,7 @@ use std::env; use std::fs::{File, OpenOptions}; use std::io::{Read, Write}; use std::path::Path; +use std::process; #[derive(Debug, Default, Deserialize, Serialize)] struct TextForm<'a> { @@ -25,6 +26,13 @@ struct Field<'a> { state: Option<bool>, } +fn print_usage(opts: &Options) { + print!( + "{}", + opts.usage("usage: formurapid [options] (--generate | --fill) PDF_FILE"), + ); +} + fn main() { let args: Vec<String> = env::args().collect(); @@ -35,7 +43,9 @@ fn main() { let opt_matches = opts.parse(&args[1..]).unwrap(); if opt_matches.free.is_empty() { - return; + print_usage(&opts); + + process::exit(exitcode::USAGE); } let form_path = Path::new(&opt_matches.free[0]); @@ -52,8 +62,6 @@ fn main() { form_path.with_file_name(output_file_name), &mut form, ); - - return; } else if opt_matches.opt_present("generate") { let ids_path = form_path.with_file_name( format!("{}-ids.pdf", form_file_prefix) @@ -64,6 +72,10 @@ fn main() { ids_path, &mut form, ); + } else { + print_usage(&opts); + + process::exit(exitcode::USAGE); } } |