Struct ariadne::Source

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pub struct Source<I: AsRef<str> = String> { /* private fields */ }
Expand description

A type representing a single source that may be referred to by Spans.

In most cases, a source is a single input file.

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impl<I: AsRef<str>> Source<I>

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pub fn text(&self) -> &str

Get the full text of this source file.

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impl<I: AsRef<str>> Source<I>

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pub fn len(&self) -> usize

Get the length of the total number of characters in the source.

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pub fn is_empty(&self) -> bool

Returns true if this source contains no characters.

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pub fn chars(&self) -> impl Iterator<Item = char> + '_

Return an iterator over the characters in the source.

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pub fn line(&self, idx: usize) -> Option<Line>

Get access to a specific, zero-indexed Line.

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pub fn lines(&self) -> impl ExactSizeIterator<Item = Line> + '_

Return an iterator over the Lines in this source.

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pub fn get_offset_line(&self, offset: usize) -> Option<(Line, usize, usize)>

Get the line that the given offset appears on, and the line/column numbers of the offset.

Note that the line/column numbers are zero-indexed.

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pub fn get_byte_line(&self, byte_offset: usize) -> Option<(Line, usize, usize)>

Get the line that the given byte offset appears on, and the line/byte column numbers of the offset.

Note that the line/column numbers are zero-indexed.

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pub fn get_line_range<S: Span>(&self, span: &S) -> Range<usize>

Get the range of lines that this span runs across.

The resulting range is guaranteed to contain valid line indices (i.e: those that can be used for Source::line).

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pub fn get_line_text(&self, line: Line) -> Option<&str>

Get the source text for a line, includes trailing whitespace and the newline

Trait Implementations§

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impl<I: AsRef<str>> Cache<()> for Source<I>

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type Storage = I

The type used to store the string data for this cache. Read more
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fn fetch(&mut self, _: &()) -> Result<&Source<I>, Box<dyn Debug + '_>>

Fetch the Source identified by the given ID, if possible.
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fn display(&self, _: &()) -> Option<Box<dyn Display>>

Display the given ID. as a single inline value. Read more
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impl<I: Clone + AsRef<str>> Clone for Source<I>

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fn clone(&self) -> Source<I>

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<I: Debug + AsRef<str>> Debug for Source<I>

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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<I: AsRef<str>> From<I> for Source<I>

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fn from(input: I) -> Self

Generate a Source from the given str.

Note that this function can be expensive for long strings. Use an implementor of Cache where possible.

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impl<I: Hash + AsRef<str>> Hash for Source<I>

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<I: PartialEq + AsRef<str>> PartialEq for Source<I>

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fn eq(&self, other: &Source<I>) -> bool

This method tests for self and other values to be equal, and is used by ==.
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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.
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impl<I: Eq + AsRef<str>> Eq for Source<I>

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impl<I: AsRef<str>> StructuralPartialEq for Source<I>

Auto Trait Implementations§

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impl<I> Freeze for Source<I>
where I: Freeze,

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impl<I> RefUnwindSafe for Source<I>
where I: RefUnwindSafe,

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impl<I> Send for Source<I>
where I: Send,

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impl<I> Sync for Source<I>
where I: Sync,

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impl<I> Unpin for Source<I>
where I: Unpin,

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impl<I> UnwindSafe for Source<I>
where I: UnwindSafe,

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> 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> Paint for T
where T: ?Sized,

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fn fg(&self, value: Color) -> Painted<&T>

Returns a styled value derived from self with the foreground set to value.

This method should be used rarely. Instead, prefer to use color-specific builder methods like red() and green(), which have the same functionality but are pithier.

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Set foreground color to white using fg():

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Returns self with the fg() set to Color::Primary.

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Returns self with the fg() set to Color::Fixed.

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Returns self with the fg() set to Color::Rgb.

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Returns self with the fg() set to Color::Black.

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Returns self with the fg() set to Color::Red.

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Returns self with the fg() set to Color::Green.

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Returns self with the fg() set to Color::Blue.

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Returns self with the fg() set to Color::Magenta.

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Returns self with the fg() set to Color::Cyan.

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Returns self with the fg() set to Color::BrightRed.

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Returns self with the fg() set to Color::BrightGreen.

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Returns self with the fg() set to Color::BrightYellow.

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Returns self with the fg() set to Color::BrightBlue.

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Returns self with the fg() set to Color::BrightMagenta.

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Returns self with the fg() set to Color::BrightWhite.

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Returns a styled value derived from self with the background set to value.

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Returns self with the bg() set to Color::Primary.

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