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move method from ByteString to module where it was used

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This commit is contained in:
Tim Neumann 2016-02-16 20:57:56 +01:00
parent 3af3926d63
commit 746f7dd29e
2 changed files with 65 additions and 65 deletions
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64
components/script/dom/bindings/str.rs
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@ -48,70 +48,6 @@ impl ByteString {
pub fn to_lower(&self) -> ByteString {
ByteString::new(self.0.to_ascii_lowercase())
}
/// Returns whether `self` is a `field-value`, as defined by
/// [RFC 2616](http://tools.ietf.org/html/rfc2616#page-32).
pub fn is_field_value(&self) -> bool {
// Classifications of characters necessary for the [CRLF] (SP|HT) rule
#[derive(PartialEq)]
enum PreviousCharacter {
Other,
CR,
LF,
SPHT, // SP or HT
}
let mut prev = PreviousCharacter::Other; // The previous character
self.0.iter().all(|&x| {
// http://tools.ietf.org/html/rfc2616#section-2.2
match x {
13 => { // CR
if prev == PreviousCharacter::Other || prev == PreviousCharacter::SPHT {
prev = PreviousCharacter::CR;
true
} else {
false
}
},
10 => { // LF
if prev == PreviousCharacter::CR {
prev = PreviousCharacter::LF;
true
} else {
false
}
},
32 => { // SP
if prev == PreviousCharacter::LF || prev == PreviousCharacter::SPHT {
prev = PreviousCharacter::SPHT;
true
} else if prev == PreviousCharacter::Other {
// Counts as an Other here, since it's not preceded by a CRLF
// SP is not a CTL, so it can be used anywhere
// though if used immediately after a CR the CR is invalid
// We don't change prev since it's already Other
true
} else {
false
}
},
9 => { // HT
if prev == PreviousCharacter::LF || prev == PreviousCharacter::SPHT {
prev = PreviousCharacter::SPHT;
true
} else {
false
}
},
0...31 | 127 => false, // CTLs
x if x > 127 => false, // non ASCII
_ if prev == PreviousCharacter::Other || prev == PreviousCharacter::SPHT => {
prev = PreviousCharacter::Other;
true
},
_ => false // Previous character was a CR/LF but not part of the [CRLF] (SP|HT) rule
}
})
}
}
impl Into<Vec<u8>> for ByteString {