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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| //! A shim layer that allows querying certain info about `App`, | ||
| //! despite the corresponding fields being private. | ||
|
|
||
| use super::*; | ||
| use crate::INTERNAL_ERROR_MSG; | ||
|
|
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| #[allow(missing_debug_implementations)] | ||
| pub struct AppView<'app, 'help> { | ||
| id: Id, | ||
| name: &'app String, | ||
| bin_name: Option<&'app String>, | ||
| author: Option<&'help str>, | ||
| version: Option<&'help str>, | ||
| long_version: Option<&'help str>, | ||
| about: Option<&'help str>, | ||
| long_about: Option<&'help str>, | ||
| more_help: Option<&'help str>, | ||
| pre_help: Option<&'help str>, | ||
| aliases: Option<&'app Vec<(&'help str, bool)>>, // (name, visible) | ||
| usage_str: Option<&'help str>, | ||
| usage: Option<&'app String>, | ||
| help_str: Option<&'help str>, | ||
| disp_ord: usize, | ||
| term_w: Option<usize>, | ||
| max_w: Option<usize>, | ||
| template: Option<&'help str>, | ||
| settings: AppFlags, | ||
| g_settings: AppFlags, | ||
| args: &'app MKeyMap<'help>, | ||
| subcommands: &'app Vec<App<'help>>, | ||
| groups: &'app Vec<ArgGroup<'help>>, | ||
| help_headings: &'app Vec<Option<&'help str>>, | ||
| } | ||
|
|
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| impl<'app, 'help> AppView<'app, 'help> { | ||
| pub(crate) fn from_ref(app: &'app App<'help>) -> AppView<'app, 'help> { | ||
| AppView { | ||
| id: app.id, | ||
| name: &app.name, | ||
| bin_name: app.bin_name.as_ref(), | ||
| author: app.author, | ||
| version: app.version, | ||
| long_version: app.long_version, | ||
| about: app.about, | ||
| long_about: app.long_about, | ||
| more_help: app.more_help, | ||
| pre_help: app.pre_help, | ||
| aliases: app.aliases.as_ref(), | ||
| usage_str: app.usage_str, | ||
| usage: app.usage.as_ref(), | ||
| help_str: app.help_str, | ||
| disp_ord: app.disp_ord, | ||
| term_w: app.term_w, | ||
| max_w: app.max_w, | ||
| template: app.template, | ||
| settings: app.settings, | ||
| g_settings: app.g_settings, | ||
| args: &app.args, | ||
| subcommands: &app.subcommands, | ||
| groups: &app.groups, | ||
| help_headings: &app.help_headings, | ||
| } | ||
| } | ||
| } | ||
|
|
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| impl<'app, 'help: 'app> AppView<'app, 'help> { | ||
| /// The list of args the given arg conflicts with. | ||
| /// | ||
| /// # Panics | ||
| /// | ||
| /// If `arg` conflicts with some args `self` don't know about, | ||
| /// it will panic. | ||
| pub fn conflicts_with(&self, arg: &'app Arg<'_>) -> Vec<&'app Arg<'help>> { | ||
| arg.blacklist.as_ref().map_or(vec![], |conflict_ids| { | ||
| conflict_ids | ||
| .iter() | ||
| .map(|id| { | ||
| self.args | ||
| .args | ||
| .iter() | ||
| .find(|arg| arg.id == *id) | ||
| .expect(INTERNAL_ERROR_MSG) | ||
| }) | ||
| .collect() | ||
| }) | ||
| } | ||
|
|
||
| pub fn flags(&self) -> impl Iterator<Item = &Arg<'help>> { | ||
| self.args | ||
| .args | ||
| .iter() | ||
| .filter(|a| !a.is_set(ArgSettings::TakesValue) && !a.view().index().is_some()) | ||
| .filter(|a| !a.view().help_heading().is_some()) | ||
| } | ||
|
|
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| pub fn args(&'app self) -> impl Iterator<Item = &'app Arg<'help>> { | ||
| self.args.args.iter() | ||
| } | ||
|
|
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| // pub fn args_mut(&'app mut self) -> impl Iterator<Item = &'app mut Arg<'help>> { | ||
| // self.args.args.iter_mut() | ||
| // } | ||
| } |
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