Enum TemplatePart

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pub enum TemplatePart {
    Lit(String),
    Var(String, String),
    Time(String),
    Lisp(String, String, Vec<(usize, usize)>),
    Cmd(Vec<TemplatePart>),
    Any(Vec<TemplatePart>),
}
Expand description

Parts that make up a Template. You can have literal strings, variables, time date format, command, or optional format with OPTIONAL_RENDER_CHAR.

TemplatePart::Lit = Literal Strings like "hi " in "hi {name}" TemplatePart::Var = Variable part like "name" in "hi {name}" and format specifier TemplatePart::Time = Date time format like "%F" in "Today: {%F}" TemplatePart::Cmd = Command like "echo world" in "hello $(echo world)" TemplatePart::Any = Optional format like "name?age" in "hello {name?age}"

TemplatePart::Cmd and TemplatePart::Any can in turn contain other TemplatePart inside them. Haven’t tested on nesting complex ones within each other though.

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Lit(String)

Literal string, keep them as they are

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Var(String, String)

Variable and format, uses the variable’s value in the rendered String

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Time(String)

DateTime format, use chrono::Local in the given format

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Lisp(String, String, Vec<(usize, usize)>)

Lisp expression to calculate with the transformer

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Cmd(Vec<TemplatePart>)

Shell Command, use the output of command in the rendered String

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Any(Vec<TemplatePart>)

Multiple variables or TemplateParts, use the first one that succeeds

Implementations§

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impl TemplatePart

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pub fn lit(part: &str) -> Self

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pub fn var(part: &str) -> Self

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pub fn lisp(part: &str) -> Self

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pub fn time(part: &str) -> Self

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pub fn maybe_var(part: &str) -> Self

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pub fn cmd(parts: Vec<TemplatePart>) -> Self

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pub fn parse_cmd(part: &str) -> Result<Self, RenderTemplateError>

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pub fn any(parts: Vec<TemplatePart>) -> Self

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pub fn maybe_any(part: &str) -> Self

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pub fn tokenize(templ: &str) -> Result<Vec<Self>, RenderTemplateError>

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

Trait Implementations§

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impl Clone for TemplatePart

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fn clone(&self) -> TemplatePart

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for TemplatePart

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

Formats the value using the given formatter. Read more
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impl Render for TemplatePart

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fn print(&self)

Visualize what has been parsed so it’s easier to debug

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fn render(&self, op: &RenderOptions) -> Result<String, Error>

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impl ToString for TemplatePart

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fn to_string(&self) -> String

Converts the given value to a String. Read more

Auto Trait Implementations§

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.