42 lines
1.0 KiB
Rust
42 lines
1.0 KiB
Rust
use crate::{
|
|
opt::{ActiveOpt, OptKind},
|
|
Command,
|
|
};
|
|
|
|
pub struct Context {
|
|
opts: Vec<ActiveOpt>,
|
|
cmd: Command,
|
|
}
|
|
|
|
impl Context {
|
|
pub(crate) fn new(cmd: Command, opts: Vec<ActiveOpt>) -> Self {
|
|
Self { opts, cmd }
|
|
}
|
|
|
|
/// Checks for the existance of a flag
|
|
pub fn flag(&self, name: &str) -> bool {
|
|
self.opts
|
|
.iter()
|
|
.any(|o| o.definition.name == name && matches!(o.definition.kind, OptKind::Flag))
|
|
}
|
|
|
|
/// Returns the value of an option if one exists
|
|
pub fn get_string(&self, name: &str) -> Option<String> {
|
|
self.opts
|
|
.iter()
|
|
.find_map(|o| {
|
|
if o.definition.name == name {
|
|
Some(o.raw_value.first().cloned())
|
|
} else {
|
|
None
|
|
}
|
|
})
|
|
.flatten()
|
|
}
|
|
|
|
/// Can be used to display the automatic help message for the current command.
|
|
pub fn display_help(&self) {
|
|
crate::command::print_command_help(&self.cmd, &vec![])
|
|
}
|
|
}
|