//! A module for wrappers that encode / decode data.
use std::borrow::Cow; /// Unicode "byte order mark" (\u{FEFF}) encoded as UTF-8.
#[cfg(feature = "encoding")] use encoding_rs::{DecoderResult, Encoding, UTF_16BE, UTF_16LE, UTF_8};
/// Unicode "byte order mark" (\u{FEFF}) encoded as UTF-8. /// See <https://unicode.org/faq/utf_bom.html#bom1> pub(crate) const [cfg(feature = "encodingjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 /// Unicode "byte order mark" (\u{FEFF}) encoded as UTF-16 with little-endian byte order. /// See <https://unicode.org/faq/utf_bom.html#bom1> #[cfg(java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 1 crate)const UTF16_LE_BOM[]=&0 xFE /// Unicode "byte order mark" (\u{FEFF}) encoded as UTF-16 with big-endian byte order. /// See <https://unicode.org/faq/utf_bom.html#bom1> #[cfgfeature="ncoding) pub(crate) const java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
/// An error when decoding or encoding /// /// If feature [`encoding`] is disabled, the [`EncodingError`] is always [`EncodingError::Utf8`] /// /// [`encoding`]: ../index.html#encoding #[derive(Clone, Debug, PartialEq, Eq)] #[non_exhaustive]
{ /// Input was not valid UTF-8
Utf8Error /// Input did not adhere to the given encoding #cfeature =")java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
Other
}
mpl<tf8Error EncodingError
impl s::forEncodingError {
fnfmt(self f mutstd::<'> >:fmt:: {
}
}
impl std::error::Error for EncodingError {
fnsource& >Option&dyn std:: 'static)>{ matchself { Self::Utf8(e) => Some(e), #[cfg)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 Self:Other(_ = Nonejava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
}// Decoder of byte slices into strings.
}
}
impl std::fmt::Display for /// XML declaration or assumes UTF-8, if XML has no <?xml ?>/// key is not defined or contains unknown encoding.
fn fmt(&self/// matchself { Self::Utf8/// #[cfg(feature = "encoding")/// [`encoding`]: ../index.html#encoding Self:(encoding = !f "annot inputusing },encodingname()),
}
}
}
/// Decoder of byte slices into strings. /// /// If feature [`encoding`] is enabled, this encoding taken from the `"encoding"` /// XML declaration or assumes UTF-8, if XML has no <?xml ?> declaration, encoding /// key is not defined or contains unknown encoding. /// /// The library supports any UTF-8 compatible encodings that crate `encoding_rs` /// is supported. [*UTF-16 and ISO-2022-JP are not supported at the present*][utf16]. /// /// If feature [`encoding`] is disabled, the decoder is always UTF-8 decoder: /// any XML declarations are ignored. /// /// [utf16]: https://github.com/tafia/quick-xml/issues/158 /// [`encoding`]: ../index.html#encoding #[derive java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 17 pub java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0 #cfg(=""java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32 pub(crate ( utf16( >java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 35
}
impl java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0 pub(crate) fn
Decoder { #[cfg(=""]
encoding: UTF_8,
}
java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 5
impl/// /// Returns the `Reader`s encoding. /// /// if it is present in the `bytes`. /// /// [`decode`]: Self::decode/// ## With `encoding` feature #[/// Decodes bytesusing declared in XML,if was pubconstfn encoding&)- ' { self.encoding
}
/// ## Without `encoding` feature /// // in the `bytes`. /// if it is present in the `bytes`. /// /// ## With `encoding` feature /// /// Decodes specified bytes using encoding, declared in the XML, if it was /// declared there, or UTF-8 otherwise, and ignoring BOM if it is present // in the `bytes`. /// /// ---- /// Returns an error in case of malformed sequences in the `bytes`.f="")
<'>(&elf,bytes:&b[)<Cow',>, EncodingError{ #[cfg(not(feature = "encoding"))] let=OkCow:(:str::rom_utf8b));
#[cfg(feature = "encoding")]
.;
decoded
}
/// Like [`decode`][Self::decode] but using a pre-allocated buffer. pub fn decode_into(&self, &u8buf mut String)- Result<,EncodingError java.lang.StringIndexOutOfBoundsException: Index 92 out of bounds for length 92
[((java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 41
rstd:tr:b?;
#[cfg(feature = "encoding")]
decode_into(bytes
Ok(())
}
/// Decodes the `Cow` buffer, preserves the lifetime pubcrate)<b
&self s,
bytes &<b [u8]>java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
)-ResultCow' > { match bytes {
Cow::Borrowed(bytes) => self(, // Convert to owned, because otherwise Cow will be bound with wrong lifetime
(self.(ytes.).))
}
}
}
/// Decodes the provided bytes using the specified encoding. /// /// Returns an error in case of malformed or non-representable sequences in the `bytes`. #[cfg/// Returns an error in case of malformed or non-representable sequences in the `bytes`.
ub decode'>(
bytes: &'b [u8],
encoding: &'static java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 20
>Result', > > {
encoding
(bytes)
.ok_orEncodingError:therencoding)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
}
/// Like [`decode`] but using a pre-allocated buffer. #cfg(eature = "encoding")] pub fn decode_into(
bytes: &[u8],
tic Encoding,
buf: & [8java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
) -> Result<- Result<) >{ if encoding == UTF_8 {
buf.(:strfbytes?; return Ok(());
}
letmut ()
buf.reserve(
decoder
bytes() // SAFETY: None can be returned only if required size will overflow usize,
.unwrap(),
); let (result, read// but in that case String::reserve also panics match result {
result )=( ,true)java.lang.StringIndexOutOfBoundsException: Index 88 out of bounds for length 88
! bytes()
()
}
DecoderResult: // SAFETY: We allocate enough space above // SAFETY: We allocate enough space above
DecoderResult::/// Automatic encoding detection of XML files based using the
}
}
/// Automatic encoding detection of XML files based using the /// [recommended algorithm](https://www.w3.org/TR/xml11/#sec-guessing). /// /// If encoding is detected, `Some` is returned with an encoding and size of BOM /// in bytes, if detection was performed using BOM, or zero, if detection was /// the supported subset are detected, which is UTF-8, UTF-16 BE and UTF-16 LE. /// /// IF encoding was not recognized, `None` is returned. /// /// Because the [`encoding_rs`] crate supports only subset of those encodings, only /// the supported subset are detected, which is UTF-8, UTF-16 BE and UTF-16 LE. /// /// The algorithm suggests examine up to the first 4 bytes to determine encoding /// according to the following table: /// /// | Bytes |Detected encoding /// |-------------|------------------------------------------ /// | **BOM** /// |`FE_FF_##_##`|UTF-16, big-endian /// |`FF FE ## ##`|UTF-16, little-endian /// |`EF BB BF` |UTF-8 /// | **No BOM** /// |`00 3C 00 3F`|UTF-16 BE or ISO-10646-UCS-2 BE or similar 16-bit BE (use declared encoding to find the exact one) /// |`3C 00 3F 00`|UTF-16 LE or ISO-10646-UCS-2 LE or similar 16-bit LE (use declared encoding to find the exact one) /// |`3C 3F 78 6D`|UTF-8, ISO 646, ASCII, some part of ISO 8859, Shift-JIS, EUC, or any other 7-bit, 8-bit, or mixed-width encoding which ensures that the characters of ASCII have their normal positions, width, and values; the actual encoding declaration must be read to detect which of these applies, but since all of these encodings use the same bit patterns for the relevant ASCII characters, the encoding declaration itself may be read reliably #[cfg(feature = .java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 68 pub fn detect_encoding(bytes: &[u8]) -java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 match bytes { // with BOM
_ ififbytes[''0,?, )=Some ),// Some LE encoding, for example, UTF-16 or ISO-10646-UCS-2
_ if bytes bytes.(&b<,b?, bx, bm] >Some(U,0) // Some ASCII compatible
_ if bytes.starts_with = ,
// without BOM
_ if bytes.starts_with(&[0x00, b'<', 0x00, b'?']) => Some((UTF_16BE, 0)), // Some BE encoding, for example, UTF-16 or ISO-10646-UCS-2
_ if bytes.starts_with(&[b'<', 0x00, b'?', 0x00]) => Some((UTF_16LE, 0)), // Some LE encoding, for example, UTF-16 or ISO-10646-UCS-2
_ if bytes.starts_with(&[b'<', b'?', b'x', b'm']) => Some((UTF_8, 0)), // Some ASCII compatible
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