Struct nu_protocol::Signature

source ·
pub struct Signature {
Show 14 fields pub name: String, pub usage: String, pub extra_usage: String, pub search_terms: Vec<String>, pub required_positional: Vec<PositionalArg>, pub optional_positional: Vec<PositionalArg>, pub rest_positional: Option<PositionalArg>, pub named: Vec<Flag>, pub input_output_types: Vec<(Type, Type)>, pub allow_variants_without_examples: bool, pub is_filter: bool, pub creates_scope: bool, pub allows_unknown_args: bool, pub category: Category,
}

Fields§

§name: String§usage: String§extra_usage: String§search_terms: Vec<String>§required_positional: Vec<PositionalArg>§optional_positional: Vec<PositionalArg>§rest_positional: Option<PositionalArg>§named: Vec<Flag>§input_output_types: Vec<(Type, Type)>§allow_variants_without_examples: bool§is_filter: bool§creates_scope: bool§allows_unknown_args: bool§category: Category

Implementations§

source§

impl Signature

source

pub fn new(name: impl Into<String>) -> Signature

source

pub fn get_input_type(&self) -> Type

source

pub fn get_output_type(&self) -> Type

source

pub fn add_help(self) -> Signature

source

pub fn build(name: impl Into<String>) -> Signature

source

pub fn usage(self, msg: impl Into<String>) -> Signature

Add a description to the signature

source

pub fn extra_usage(self, msg: impl Into<String>) -> Signature

Add an extra description to the signature

source

pub fn search_terms(self, terms: Vec<String>) -> Signature

Add search terms to the signature

source

pub fn update_from_command(self, command: &dyn Command) -> Signature

Update signature’s fields from a Command trait implementation

source

pub fn allows_unknown_args(self) -> Signature

Allow unknown signature parameters

source

pub fn required( self, name: impl Into<String>, shape: impl Into<SyntaxShape>, desc: impl Into<String>, ) -> Signature

Add a required positional argument to the signature

source

pub fn optional( self, name: impl Into<String>, shape: impl Into<SyntaxShape>, desc: impl Into<String>, ) -> Signature

Add an optional positional argument to the signature

source

pub fn rest( self, name: &str, shape: impl Into<SyntaxShape>, desc: impl Into<String>, ) -> Signature

source

pub fn operates_on_cell_paths(&self) -> bool

Is this command capable of operating on its input via cell paths?

source

pub fn named( self, name: impl Into<String>, shape: impl Into<SyntaxShape>, desc: impl Into<String>, short: Option<char>, ) -> Signature

Add an optional named flag argument to the signature

source

pub fn required_named( self, name: impl Into<String>, shape: impl Into<SyntaxShape>, desc: impl Into<String>, short: Option<char>, ) -> Signature

Add a required named flag argument to the signature

source

pub fn switch( self, name: impl Into<String>, desc: impl Into<String>, short: Option<char>, ) -> Signature

Add a switch to the signature

source

pub fn input_output_type(self, input_type: Type, output_type: Type) -> Signature

Changes the input type of the command signature

source

pub fn input_output_types( self, input_output_types: Vec<(Type, Type)>, ) -> Signature

Set the input-output type signature variants of the command

source

pub fn category(self, category: Category) -> Signature

Changes the signature category

source

pub fn creates_scope(self) -> Signature

Sets that signature will create a scope as it parses

source

pub fn allow_variants_without_examples(self, allow: bool) -> Signature

source

pub fn call_signature(&self) -> String

source

pub fn get_shorts(&self) -> Vec<char>

Get list of the short-hand flags

source

pub fn get_names(&self) -> Vec<&str>

Get list of the long-hand flags

source

pub fn get_positional(&self, position: usize) -> Option<PositionalArg>

source

pub fn num_positionals(&self) -> usize

source

pub fn num_positionals_after(&self, idx: usize) -> usize

source

pub fn get_long_flag(&self, name: &str) -> Option<Flag>

Find the matching long flag

source

pub fn get_short_flag(&self, short: char) -> Option<Flag>

Find the matching long flag

source

pub fn filter(self) -> Signature

Set the filter flag for the signature

source

pub fn predeclare(self) -> Box<dyn Command>

Create a placeholder implementation of Command as a way to predeclare a definition’s signature so other definitions can see it. This placeholder is later replaced with the full definition in a second pass of the parser.

source

pub fn into_block_command(self, block_id: BlockId) -> Box<dyn Command>

Combines a signature and a block into a runnable block

source

pub fn formatted_flags(self) -> String

Trait Implementations§

source§

impl Clone for Signature

source§

fn clone(&self) -> Signature

Returns a copy of the value. Read more
1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
source§

impl Debug for Signature

source§

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
source§

impl<'de> Deserialize<'de> for Signature

source§

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
source§

impl PartialEq for Signature

source§

fn eq(&self, other: &Self) -> bool

This method tests for self and other values to be equal, and is used by ==.
1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
source§

impl Serialize for Signature

source§

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
source§

impl Eq for Signature

Auto Trait Implementations§

Blanket Implementations§

source§

impl<T> Any for T
where T: 'static + ?Sized,

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for T
where T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> CloneToUninit for T
where T: Clone,

source§

default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
source§

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

source§

fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
source§

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

source§

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T> IntoEither for T

source§

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
source§

impl<T> IntoSpanned for T

source§

fn into_spanned(self, span: Span) -> Spanned<T>

Wrap items together with a span into Spanned. Read more
source§

impl<D> OwoColorize for D

source§

fn fg<C>(&self) -> FgColorDisplay<'_, C, Self>
where C: Color,

Set the foreground color generically Read more
source§

fn bg<C>(&self) -> BgColorDisplay<'_, C, Self>
where C: Color,

Set the background color generically. Read more
source§

fn black(&self) -> FgColorDisplay<'_, Black, Self>

Change the foreground color to black
source§

fn on_black(&self) -> BgColorDisplay<'_, Black, Self>

Change the background color to black
source§

fn red(&self) -> FgColorDisplay<'_, Red, Self>

Change the foreground color to red
source§

fn on_red(&self) -> BgColorDisplay<'_, Red, Self>

Change the background color to red
source§

fn green(&self) -> FgColorDisplay<'_, Green, Self>

Change the foreground color to green
source§

fn on_green(&self) -> BgColorDisplay<'_, Green, Self>

Change the background color to green
source§

fn yellow(&self) -> FgColorDisplay<'_, Yellow, Self>

Change the foreground color to yellow
source§

fn on_yellow(&self) -> BgColorDisplay<'_, Yellow, Self>

Change the background color to yellow
source§

fn blue(&self) -> FgColorDisplay<'_, Blue, Self>

Change the foreground color to blue
source§

fn on_blue(&self) -> BgColorDisplay<'_, Blue, Self>

Change the background color to blue
source§

fn magenta(&self) -> FgColorDisplay<'_, Magenta, Self>

Change the foreground color to magenta
source§

fn on_magenta(&self) -> BgColorDisplay<'_, Magenta, Self>

Change the background color to magenta
source§

fn purple(&self) -> FgColorDisplay<'_, Magenta, Self>

Change the foreground color to purple
source§

fn on_purple(&self) -> BgColorDisplay<'_, Magenta, Self>

Change the background color to purple
source§

fn cyan(&self) -> FgColorDisplay<'_, Cyan, Self>

Change the foreground color to cyan
source§

fn on_cyan(&self) -> BgColorDisplay<'_, Cyan, Self>

Change the background color to cyan
source§

fn white(&self) -> FgColorDisplay<'_, White, Self>

Change the foreground color to white
source§

fn on_white(&self) -> BgColorDisplay<'_, White, Self>

Change the background color to white
source§

fn default_color(&self) -> FgColorDisplay<'_, Default, Self>

Change the foreground color to the terminal default
source§

fn on_default_color(&self) -> BgColorDisplay<'_, Default, Self>

Change the background color to the terminal default
source§

fn bright_black(&self) -> FgColorDisplay<'_, BrightBlack, Self>

Change the foreground color to bright black
source§

fn on_bright_black(&self) -> BgColorDisplay<'_, BrightBlack, Self>

Change the background color to bright black
source§

fn bright_red(&self) -> FgColorDisplay<'_, BrightRed, Self>

Change the foreground color to bright red
source§

fn on_bright_red(&self) -> BgColorDisplay<'_, BrightRed, Self>

Change the background color to bright red
source§

fn bright_green(&self) -> FgColorDisplay<'_, BrightGreen, Self>

Change the foreground color to bright green
source§

fn on_bright_green(&self) -> BgColorDisplay<'_, BrightGreen, Self>

Change the background color to bright green
source§

fn bright_yellow(&self) -> FgColorDisplay<'_, BrightYellow, Self>

Change the foreground color to bright yellow
source§

fn on_bright_yellow(&self) -> BgColorDisplay<'_, BrightYellow, Self>

Change the background color to bright yellow
source§

fn bright_blue(&self) -> FgColorDisplay<'_, BrightBlue, Self>

Change the foreground color to bright blue
source§

fn on_bright_blue(&self) -> BgColorDisplay<'_, BrightBlue, Self>

Change the background color to bright blue
source§

fn bright_magenta(&self) -> FgColorDisplay<'_, BrightMagenta, Self>

Change the foreground color to bright magenta
source§

fn on_bright_magenta(&self) -> BgColorDisplay<'_, BrightMagenta, Self>

Change the background color to bright magenta
source§

fn bright_purple(&self) -> FgColorDisplay<'_, BrightMagenta, Self>

Change the foreground color to bright purple
source§

fn on_bright_purple(&self) -> BgColorDisplay<'_, BrightMagenta, Self>

Change the background color to bright purple
source§

fn bright_cyan(&self) -> FgColorDisplay<'_, BrightCyan, Self>

Change the foreground color to bright cyan
source§

fn on_bright_cyan(&self) -> BgColorDisplay<'_, BrightCyan, Self>

Change the background color to bright cyan
source§

fn bright_white(&self) -> FgColorDisplay<'_, BrightWhite, Self>

Change the foreground color to bright white
source§

fn on_bright_white(&self) -> BgColorDisplay<'_, BrightWhite, Self>

Change the background color to bright white
source§

fn bold(&self) -> BoldDisplay<'_, Self>

Make the text bold
source§

fn dimmed(&self) -> DimDisplay<'_, Self>

Make the text dim
source§

fn italic(&self) -> ItalicDisplay<'_, Self>

Make the text italicized
source§

fn underline(&self) -> UnderlineDisplay<'_, Self>

Make the text italicized
Make the text blink
Make the text blink (but fast!)
source§

fn reversed(&self) -> ReversedDisplay<'_, Self>

Swap the foreground and background colors
source§

fn hidden(&self) -> HiddenDisplay<'_, Self>

Hide the text
source§

fn strikethrough(&self) -> StrikeThroughDisplay<'_, Self>

Cross out the text
source§

fn color<Color>(&self, color: Color) -> FgDynColorDisplay<'_, Color, Self>
where Color: DynColor,

Set the foreground color at runtime. Only use if you do not know which color will be used at compile-time. If the color is constant, use either OwoColorize::fg or a color-specific method, such as OwoColorize::green, Read more
source§

fn on_color<Color>(&self, color: Color) -> BgDynColorDisplay<'_, Color, Self>
where Color: DynColor,

Set the background color at runtime. Only use if you do not know what color to use at compile-time. If the color is constant, use either OwoColorize::bg or a color-specific method, such as OwoColorize::on_yellow, Read more
source§

fn fg_rgb<const R: u8, const G: u8, const B: u8>( &self, ) -> FgColorDisplay<'_, CustomColor<R, G, B>, Self>

Set the foreground color to a specific RGB value.
source§

fn bg_rgb<const R: u8, const G: u8, const B: u8>( &self, ) -> BgColorDisplay<'_, CustomColor<R, G, B>, Self>

Set the background color to a specific RGB value.
source§

fn truecolor(&self, r: u8, g: u8, b: u8) -> FgDynColorDisplay<'_, Rgb, Self>

Sets the foreground color to an RGB value.
source§

fn on_truecolor(&self, r: u8, g: u8, b: u8) -> BgDynColorDisplay<'_, Rgb, Self>

Sets the background color to an RGB value.
source§

fn style(&self, style: Style) -> Styled<&Self>

Apply a runtime-determined style
source§

impl<T> Pointable for T

source§

const ALIGN: usize = _

The alignment of pointer.
§

type Init = T

The type for initializers.
source§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
source§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
source§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
source§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
source§

impl<T> Serialize for T
where T: Serialize + ?Sized,

source§

fn erased_serialize(&self, serializer: &mut dyn Serializer) -> Result<(), Error>

source§

fn do_erased_serialize( &self, serializer: &mut dyn Serializer, ) -> Result<(), ErrorImpl>

source§

impl<T> ToOwned for T
where T: Clone,

§

type Owned = T

The resulting type after obtaining ownership.
source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
source§

impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,