pub(crate) enum DecoderLifeCycle {
    AtStart,
    AtUtf8Start,
    AtUtf16BeStart,
    AtUtf16LeStart,
    SeenUtf8First,
    SeenUtf8Second,
    SeenUtf16BeFirst,
    SeenUtf16LeFirst,
    ConvertingWithPendingBB,
    Converting,
    Finished,
}
Expand description

Tracks the life cycle of a decoder from BOM sniffing to conversion to end.

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AtStart

The decoder has seen no input yet.

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AtUtf8Start

The decoder has seen no input yet but expects UTF-8.

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AtUtf16BeStart

The decoder has seen no input yet but expects UTF-16BE.

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AtUtf16LeStart

The decoder has seen no input yet but expects UTF-16LE.

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SeenUtf8First

The decoder has seen EF.

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SeenUtf8Second

The decoder has seen EF, BB.

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SeenUtf16BeFirst

The decoder has seen FE.

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SeenUtf16LeFirst

The decoder has seen FF.

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ConvertingWithPendingBB

Saw EF, BB but not BF, there was a buffer boundary after BB and the underlying decoder reported EF as an error, so we need to remember to push BB before the next buffer.

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Converting

No longer looking for a BOM and EOF not yet seen.

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Finished

EOF has been seen.

Trait Implementations§

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impl Clone for DecoderLifeCycle

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fn clone(&self) -> DecoderLifeCycle

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 DecoderLifeCycle

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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 PartialEq<DecoderLifeCycle> for DecoderLifeCycle

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fn eq(&self, other: &DecoderLifeCycle) -> 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 Copy for DecoderLifeCycle

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impl StructuralPartialEq for DecoderLifeCycle

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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.