27 lines
755 B
Rust
27 lines
755 B
Rust
|
//! Functions to be used for clap::Arg::validator()
|
||
|
|
//! to validate arguments
|
||
|
|
|
||
|
|
use std::path::PathBuf;
|
||
|
|
use boolinator::Boolinator;
|
||
|
|
|
||
|
|
pub fn is_file(s: String) -> Result<(), String> {
|
||
|
|
PathBuf::from(s.clone()).is_file().as_result((), format!("Not a File: {}", s))
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn is_directory(s: String) -> Result<(), String> {
|
||
|
|
PathBuf::from(s.clone()).is_dir().as_result((), format!("Not a Directory: {}", s))
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn is_integer(s: String) -> Result<(), String> {
|
||
|
|
use std::str::FromStr;
|
||
|
|
|
||
|
|
let i : Result<i64, _> = FromStr::from_str(&s);
|
||
|
|
i.map(|_| ()).map_err(|_| format!("Not an integer: {}", s))
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn is_url(s: String) -> Result<(), String> {
|
||
|
|
use url::Url;
|
||
|
|
Url::parse(&s).map(|_| ()).map_err(|_| format!("Not a URL: {}", s))
|
||
|
|
}
|
||
|
|
|