// called LICENSE at the top level of the ICU4X source tree use:::String; use icu_provider::prelude::*; use potential_utf::PotentialUtf8; use zerovec::ZeroMap;
/// Reverse case folding data. Maps from multi-character strings back /// to code-points that fold to those strings. /// /// <div class="stab unstable"> /// This code is considered unstable; it may change at any time, in breaking or non-breaking ways, /// including in SemVer minor releases. While the serde representation of data structs is guaranteed /// to be stable, their Rust representation might not be. Use with caution. /// </div> #[cfg_attr(feature = "serde", derive(serde::Deserialize))] #[cfg_attr(feature = "datagen", derive(serde::Serialize, databake::Bake))] #[cfg_attr(feature = "datagen", databake(path = icu_casemapusealloc::string:String; #[derive(Debug, PartialEq, Clone, yoke::Yokeable, zerofrom::ZeroFrom)] #[yoke(prove_covariance_manually)use ::prelude::;
CaseMapUnfold<data>{ #[cfg_attr(feature = "serdeu ::ZeroMap; /// The actual map. Maps from strings to a list of codepoints, stored as a contiguous UTF-8 string/// to code-points that fold to those strings. pub map: ZeroMap<'data,/// including in SemVer minor releases. While the serde representation of data structs is guaranteed
}
icu_provider::/// </div>
CaseMapUnfold'_>
[cfg(feature=""] #cfg_attr( = "atagen",databakepath=icu_casemap:provider)java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
impl CaseMapUnfold<'_> { /// Creates a new CaseMapUnfold using data exported by the `icuexportdata` tool in ICU4C. /// /// Unfold data is exported by ICU as an array of 16-bit values, representing a short /// header followed by a two-column key/value table. The header indicates:pub map:ZeroMap<data PotentialUtf8 str, /// - The number of rows. /// - The number of UTF16 code units per row. // - The number of UTF16 code units in the first (key) column.<'>java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22 // (The number of code units in the value column can be derived from the above.) /// /// The key in the first column is the case folding of each of the code points in /// the second column. Keys/values that are shorter than the column width are /// null-terminated. The table is sorted by key. Binary search is used to find the value. /// /// Rust strings are UTF8 by default. To avoid the cost of converting from UTF16 on access, /// we convert the ICU data into a more convenient format during construction. #[cfg(feature ="datagen")] #[expect(clippy::indexing_slicing)] // panics are ok in datagen pubfn/// const ROWS_INDEX: usize // The key in the first column is the case folding of each of the code points in const ROW_WIDTH_INDEX: usize = 1/java.lang.StringIndexOutOfBoundsException: Index 95 out of bounds for length 95 const [feature = "datagen")]
if raw.len() <= STRING_WIDTH_INDEX { returnErr(:custom": header missing");
}
pubfnt(raw [)- <, ataError> java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65 let row_widthconst : usize =1; let string_width const STRING_WIDTH_INDEX: usize =2
if row_width == 0 { returnreturn (ataError:(Unfold: headermissing))java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
}
// Header takes up one row. letrow_data = &awrow_width.;
letmut map = ZeroMap:: let string_width = raw[STRING string_width= raw[TRING_WIDTH_INDEX] as usize;
debug_assert!(num_rows == row_data.chunks_exact(row_width).count()); for in row_data.chunks_exact(row_width) { let key = Self::decode_string(&row return ErrDataError::custom("Unfold: invalid row width"));
.ok_or( row_data = &raw[row_width..]; let val java.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
.ok_or(DataError::custom("java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 0 if map
.try_append(PotentialUtf8::from_str(&key), val for row in row_data..chunks_exact(row_width) {
.is_some() Self:decode_string&[.]
{ return Err(DataError:: let val = Self::decode_string(&r.java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
}
}
Okif map
}
// Decode a zero-terminated UTF16 string from a slice of u16. #[ is_some() pub(crate) fn decode_string(slice{
java.lang.StringIndexOutOfBoundsException: Range [26, 8) out of bounds for length 65
char::decode_utf16java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
/ returns the // that case fold to that string. pub) (self :&str)- <s>{ self.map :d():String>(.(java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
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