[−][src]Struct mime_4::Value
A parameter value section of a MediaType
or MediaRange
.
Except for the charset
parameter, parameters are compared case-sensitive.
Implementations
impl<'a> Value<'a>
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pub fn as_str_repr(&self) -> &'a str
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Returns the underlying representation.
The underlying representation differs from the content, as it can contain quotes surrounding the content and quoted-pairs, even if non of them are necessary to represent the content.
For example the representation r#""a\"\ b""#
corresponds
to the content r#""a" b"#
. Another semantically equivalent
(i.e. with the same content) representation is r#""a\" b""
Example
let mime = r#"text/plain; param="abc def""#.parse::<mime::MediaType>().unwrap(); let param = mime.param("param").unwrap(); assert_eq!(param.as_str_repr(), r#""abc def""#);
pub fn to_content(&self) -> Cow<'a, str>
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Returns the content of this instance.
It differs to the representation in that it will remove the quotation marks from the quoted string and will "unquote" quoted pairs.
If the underlying representation is a quoted string containing
quoted-pairs Cow::Owned
is returned.
If the underlying representation is a quoted-string without
quoted-pairs Cow::Borrowed
is returned as normal
str slicing can be used to strip the surrounding double quoted.
If the underlying representation is not a quoted-string
Cow::Borrowed
is returned, too.
Example
let raw_mime = r#"text/plain; p1="char is \""; p2="simple"; p3=simple2"#; let mime = raw_mime.parse::<mime::MediaType>().unwrap(); let param1 = mime.param("p1").unwrap(); let expected = r#"char is ""#; assert_eq!(param1.to_content(), expected); let param2 = mime.param("p2").unwrap(); assert_eq!(param2.to_content(), "simple"); let param3 = mime.param("p3").unwrap(); assert_eq!(param3.to_content(), "simple2");
Trait Implementations
impl<'a> Clone for Value<'a>
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impl<'a> Copy for Value<'a>
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impl<'a> Debug for Value<'a>
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impl<'a> Display for Value<'a>
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impl<'a, 'b> PartialEq<&'b str> for Value<'a>
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fn eq(&self, other: &&'b str) -> bool
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#[must_use]pub fn ne(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialEq<Value<'b>> for Value<'a>
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fn eq(&self, other: &Value<'b>) -> bool
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#[must_use]pub fn ne(&self, other: &Rhs) -> bool
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impl<'a> PartialEq<str> for Value<'a>
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Auto Trait Implementations
impl<'a> RefUnwindSafe for Value<'a>
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impl<'a> Send for Value<'a>
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impl<'a> Sync for Value<'a>
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impl<'a> Unpin for Value<'a>
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impl<'a> UnwindSafe for Value<'a>
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Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,