Struct Regex

Source
pub struct Regex { /* private fields */ }
Expand description

A regular expression engine designed for use within the ad text editor.

This is a relatively naive implementation though it does have some optimisations and runs reasonably quickly. It is not at all designed to be robust against mallicious input and it does not attempt to support full PCRE syntax or functionality.

Implementations§

Source§

impl Regex

Source

pub fn compile(re: &str) -> Result<Self, Error>

Attempt to compile the given regular expression into its optimised VM opcode form.

This method handles pre-allocation of the memory required for running the VM so that the allocation cost is paid once up front rather than on each use of the Regex.

Source

pub fn compile_reverse(re: &str) -> Result<Self, Error>

Attempt to compile the given regular expression into its reversed optimised VM opcode form. This is used for searching backwards through an input stream.

This method handles pre-allocation of the memory required for running the VM so that the allocation cost is paid once up front rather than on each use of the Regex.

Source

pub fn match_str(&mut self, input: &str) -> Option<Match>

Attempt to match this Regex against a given &str input, returning the position of the match and all submatches if successful.

Source

pub fn match_str_all<'a, 'b>( &'a mut self, input: &'b str, ) -> MatchIter<'a, &'b str>

Iterate over all non-overlapping matches of this Regex for a given &str input.

Source

pub fn match_buffer_all<'a, 'b>( &'a mut self, b: &'b Buffer, ) -> MatchIter<'a, &'b GapBuffer>

Iterate over all non-overlapping matches of this Regex for a given Buffer input.

Source

pub fn match_iter<I>(&mut self, input: &mut I, sp: usize) -> Option<Match>
where I: Iterator<Item = (usize, char)>,

Attempt to match this Regex against an arbitrary iterator input, returning the position of the match and all submatches if successful.

Source

pub fn matches_str(&mut self, input: &str) -> bool

Determine whether or not this Regex matches the input &str without searching for the leftmost-longest match and associated submatch boundaries.

Source

pub fn matches_iter<I>(&mut self, input: &mut I, sp: usize) -> bool
where I: Iterator<Item = (usize, char)>,

Determine whether or not this Regex matches the input iterator without searching for the leftmost-longest match and associated submatch boundaries.

Trait Implementations§

Source§

impl Clone for Regex

Source§

fn clone(&self) -> Regex

Returns a duplicate 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 Regex

Source§

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

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

impl PartialEq for Regex

Source§

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
Source§

impl Eq for Regex

Source§

impl StructuralPartialEq for Regex

Auto Trait Implementations§

§

impl Freeze for Regex

§

impl RefUnwindSafe for Regex

§

impl !Send for Regex

§

impl !Sync for Regex

§

impl Unpin for Regex

§

impl UnwindSafe for Regex

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§

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
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> Instrument for T

Source§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
Source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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> ToOwned for T
where T: Clone,

Source§

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>,

Source§

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>,

Source§

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> WithSubscriber for T

Source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
Source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more