diff options
Diffstat (limited to 'clap/src/args/any_arg.rs')
-rw-r--r-- | clap/src/args/any_arg.rs | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/clap/src/args/any_arg.rs b/clap/src/args/any_arg.rs new file mode 100644 index 0000000..eee5228 --- /dev/null +++ b/clap/src/args/any_arg.rs @@ -0,0 +1,74 @@ +// Std +use std::rc::Rc; +use std::fmt as std_fmt; +use std::ffi::{OsStr, OsString}; + +// Internal +use args::settings::ArgSettings; +use map::{self, VecMap}; +use INTERNAL_ERROR_MSG; + +#[doc(hidden)] +pub trait AnyArg<'n, 'e>: std_fmt::Display { + fn name(&self) -> &'n str; + fn overrides(&self) -> Option<&[&'e str]>; + fn aliases(&self) -> Option<Vec<&'e str>>; + fn requires(&self) -> Option<&[(Option<&'e str>, &'n str)]>; + fn blacklist(&self) -> Option<&[&'e str]>; + fn required_unless(&self) -> Option<&[&'e str]>; + fn is_set(&self, ArgSettings) -> bool; + fn set(&mut self, ArgSettings); + fn has_switch(&self) -> bool; + fn max_vals(&self) -> Option<u64>; + fn min_vals(&self) -> Option<u64>; + fn num_vals(&self) -> Option<u64>; + fn possible_vals(&self) -> Option<&[&'e str]>; + fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>>; + fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>>; + fn short(&self) -> Option<char>; + fn long(&self) -> Option<&'e str>; + fn val_delim(&self) -> Option<char>; + fn takes_value(&self) -> bool; + fn val_names(&self) -> Option<&VecMap<&'e str>>; + fn help(&self) -> Option<&'e str>; + fn long_help(&self) -> Option<&'e str>; + fn default_val(&self) -> Option<&'e OsStr>; + fn default_vals_ifs(&self) -> Option<map::Values<(&'n str, Option<&'e OsStr>, &'e OsStr)>>; + fn env<'s>(&'s self) -> Option<(&'n OsStr, Option<&'s OsString>)>; + fn longest_filter(&self) -> bool; + fn val_terminator(&self) -> Option<&'e str>; +} + +pub trait DispOrder { + fn disp_ord(&self) -> usize; +} + +impl<'n, 'e, 'z, T: ?Sized> AnyArg<'n, 'e> for &'z T where T: AnyArg<'n, 'e> + 'z { + fn name(&self) -> &'n str { (*self).name() } + fn overrides(&self) -> Option<&[&'e str]> { (*self).overrides() } + fn aliases(&self) -> Option<Vec<&'e str>> { (*self).aliases() } + fn requires(&self) -> Option<&[(Option<&'e str>, &'n str)]> { (*self).requires() } + fn blacklist(&self) -> Option<&[&'e str]> { (*self).blacklist() } + fn required_unless(&self) -> Option<&[&'e str]> { (*self).required_unless() } + fn is_set(&self, a: ArgSettings) -> bool { (*self).is_set(a) } + fn set(&mut self, _: ArgSettings) { panic!(INTERNAL_ERROR_MSG) } + fn has_switch(&self) -> bool { (*self).has_switch() } + fn max_vals(&self) -> Option<u64> { (*self).max_vals() } + fn min_vals(&self) -> Option<u64> { (*self).min_vals() } + fn num_vals(&self) -> Option<u64> { (*self).num_vals() } + fn possible_vals(&self) -> Option<&[&'e str]> { (*self).possible_vals() } + fn validator(&self) -> Option<&Rc<Fn(String) -> Result<(), String>>> { (*self).validator() } + fn validator_os(&self) -> Option<&Rc<Fn(&OsStr) -> Result<(), OsString>>> { (*self).validator_os() } + fn short(&self) -> Option<char> { (*self).short() } + fn long(&self) -> Option<&'e str> { (*self).long() } + fn val_delim(&self) -> Option<char> { (*self).val_delim() } + fn takes_value(&self) -> bool { (*self).takes_value() } + fn val_names(&self) -> Option<&VecMap<&'e str>> { (*self).val_names() } + fn help(&self) -> Option<&'e str> { (*self).help() } + fn long_help(&self) -> Option<&'e str> { (*self).long_help() } + fn default_val(&self) -> Option<&'e OsStr> { (*self).default_val() } + fn default_vals_ifs(&self) -> Option<map::Values<(&'n str, Option<&'e OsStr>, &'e OsStr)>> { (*self).default_vals_ifs() } + fn env<'s>(&'s self) -> Option<(&'n OsStr, Option<&'s OsString>)> { (*self).env() } + fn longest_filter(&self) -> bool { (*self).longest_filter() } + fn val_terminator(&self) -> Option<&'e str> { (*self).val_terminator() } +} |