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-rw-r--r--vendor/tinystr/src/tinystr8.rs319
1 files changed, 0 insertions, 319 deletions
diff --git a/vendor/tinystr/src/tinystr8.rs b/vendor/tinystr/src/tinystr8.rs
deleted file mode 100644
index e121c519a..000000000
--- a/vendor/tinystr/src/tinystr8.rs
+++ /dev/null
@@ -1,319 +0,0 @@
-use std::cmp::Ordering;
-use std::convert::Into;
-use std::fmt;
-use std::num::NonZeroU64;
-use std::ops::Deref;
-use std::ptr::copy_nonoverlapping;
-use std::str::FromStr;
-
-use crate::Error;
-
-/// A tiny string that is from 1 to 8 non-NUL ASCII characters.
-///
-/// # Examples
-///
-/// ```
-/// use tinystr::TinyStr8;
-///
-/// let s1: TinyStr8 = "Testing".parse()
-/// .expect("Failed to parse.");
-///
-/// assert_eq!(s1, "Testing");
-/// assert!(s1.is_ascii_alphabetic());
-/// ```
-#[derive(Copy, Clone, PartialEq, Eq, Hash)]
-pub struct TinyStr8(NonZeroU64);
-
-impl TinyStr8 {
- /// Creates a TinyStr8 from a byte slice.
- ///
- /// # Examples
- ///
- /// ```
- /// use tinystr::TinyStr8;
- ///
- /// let s1 = TinyStr8::from_bytes("Testing".as_bytes())
- /// .expect("Failed to parse.");
- ///
- /// assert_eq!(s1, "Testing");
- /// ```
- #[inline(always)]
- pub fn from_bytes(bytes: &[u8]) -> Result<Self, Error> {
- let len = bytes.len();
- if len < 1 || len > 8 {
- return Err(Error::InvalidSize);
- }
- unsafe {
- let mut word: u64 = 0;
- copy_nonoverlapping(bytes.as_ptr(), &mut word as *mut u64 as *mut u8, len);
- let mask = 0x80808080_80808080u64 >> (8 * (8 - len));
- // TODO: could do this with #cfg(target_endian), but this is clearer and
- // more confidence-inspiring.
- let mask = u64::from_le(mask);
- if (word & mask) != 0 {
- return Err(Error::NonAscii);
- }
- if ((mask - word) & mask) != 0 {
- return Err(Error::InvalidNull);
- }
- Ok(Self(NonZeroU64::new_unchecked(word)))
- }
- }
-
- /// An unsafe constructor intended for cases where the consumer
- /// guarantees that the input is a little endian integer which
- /// is a correct representation of a `TinyStr8` string.
- ///
- /// # Examples
- ///
- /// ```
- /// use tinystr::TinyStr8;
- ///
- /// let s1: TinyStr8 = "Testing".parse()
- /// .expect("Failed to parse.");
- ///
- /// let num: u64 = s1.into();
- ///
- /// let s2 = unsafe { TinyStr8::new_unchecked(num) };
- ///
- /// assert_eq!(s1, s2);
- /// assert_eq!(s2.as_str(), "Testing");
- /// ```
- ///
- /// # Safety
- ///
- /// The method does not validate the `u64` to be properly encoded
- /// value for `TinyStr8`.
- /// The value can be retrieved via `Into<u64> for TinyStr8`.
- #[inline(always)]
- pub const unsafe fn new_unchecked(text: u64) -> Self {
- Self(NonZeroU64::new_unchecked(u64::from_le(text)))
- }
-
- /// Extracts a string slice containing the entire `TinyStr8`.
- ///
- /// # Examples
- ///
- /// ```
- /// use tinystr::TinyStr8;
- ///
- /// let s1: TinyStr8 = "Testing".parse()
- /// .expect("Failed to parse.");
- ///
- /// assert_eq!(s1.as_str(), "Testing");
- /// ```
- #[inline(always)]
- pub fn as_str(&self) -> &str {
- self.deref()
- }
-
- /// Checks if the value is composed of ASCII alphabetic characters:
- ///
- /// * U+0041 'A' ..= U+005A 'Z', or
- /// * U+0061 'a' ..= U+007A 'z'.
- ///
- /// # Examples
- ///
- /// ```
- /// use tinystr::TinyStr8;
- ///
- /// let s1: TinyStr8 = "Testing".parse()
- /// .expect("Failed to parse.");
- /// let s2: TinyStr8 = "Te3ting".parse()
- /// .expect("Failed to parse.");
- ///
- /// assert!(s1.is_ascii_alphabetic());
- /// assert!(!s2.is_ascii_alphabetic());
- /// ```
- pub fn is_ascii_alphabetic(self) -> bool {
- let word = self.0.get();
- let mask = (word + 0x7f7f7f7f_7f7f7f7f) & 0x80808080_80808080;
- let lower = word | 0x20202020_20202020;
- let alpha = !(lower + 0x1f1f1f1f_1f1f1f1f) | (lower + 0x05050505_05050505);
- (alpha & mask) == 0
- }
-
- /// Checks if the value is composed of ASCII alphanumeric characters:
- ///
- /// * U+0041 'A' ..= U+005A 'Z', or
- /// * U+0061 'a' ..= U+007A 'z', or
- /// * U+0030 '0' ..= U+0039 '9'.
- ///
- /// # Examples
- ///
- /// ```
- /// use tinystr::TinyStr8;
- ///
- /// let s1: TinyStr8 = "A15bing".parse()
- /// .expect("Failed to parse.");
- /// let s2: TinyStr8 = "[3@wing".parse()
- /// .expect("Failed to parse.");
- ///
- /// assert!(s1.is_ascii_alphanumeric());
- /// assert!(!s2.is_ascii_alphanumeric());
- /// ```
- pub fn is_ascii_alphanumeric(self) -> bool {
- let word = self.0.get();
- let mask = (word + 0x7f7f7f7f_7f7f7f7f) & 0x80808080_80808080;
- let numeric = !(word + 0x50505050_50505050) | (word + 0x46464646_46464646);
- let lower = word | 0x20202020_20202020;
- let alpha = !(lower + 0x1f1f1f1f_1f1f1f1f) | (lower + 0x05050505_05050505);
- (alpha & numeric & mask) == 0
- }
-
- /// Checks if the value is composed of ASCII decimal digits:
- ///
- /// * U+0030 '0' ..= U+0039 '9'.
- ///
- /// # Examples
- ///
- /// ```
- /// use tinystr::TinyStr8;
- ///
- /// let s1: TinyStr8 = "3121029".parse()
- /// .expect("Failed to parse.");
- /// let s2: TinyStr8 = "3d212d".parse()
- /// .expect("Failed to parse.");
- ///
- /// assert!(s1.is_ascii_numeric());
- /// assert!(!s2.is_ascii_numeric());
- /// ```
- pub fn is_ascii_numeric(self) -> bool {
- let word = self.0.get();
- let mask = (word + 0x7f7f7f7f_7f7f7f7f) & 0x80808080_80808080;
- let numeric = !(word + 0x50505050_50505050) | (word + 0x46464646_46464646);
- (numeric & mask) == 0
- }
-
- /// Converts this type to its ASCII lower case equivalent in-place.
- ///
- /// ASCII letters 'A' to 'Z' are mapped to 'a' to 'z', other characters are unchanged.
- ///
- /// # Examples
- ///
- /// ```
- /// use tinystr::TinyStr8;
- ///
- /// let s1: TinyStr8 = "TeS3ing".parse()
- /// .expect("Failed to parse.");
- ///
- /// assert_eq!(s1.to_ascii_lowercase(), "tes3ing");
- /// ```
- pub fn to_ascii_lowercase(self) -> Self {
- let word = self.0.get();
- let result = word
- | (((word + 0x3f3f3f3f_3f3f3f3f)
- & !(word + 0x25252525_25252525)
- & 0x80808080_80808080)
- >> 2);
- unsafe { Self(NonZeroU64::new_unchecked(result)) }
- }
-
- /// Converts this type to its ASCII title case equivalent in-place.
- ///
- /// First character, if is an ASCII letter 'a' to 'z' is mapped to 'A' to 'Z',
- /// other characters are unchanged.
- ///
- /// # Examples
- ///
- /// ```
- /// use tinystr::TinyStr8;
- ///
- /// let s1: TinyStr8 = "testing".parse()
- /// .expect("Failed to parse.");
- ///
- /// assert_eq!(s1.to_ascii_titlecase(), "Testing");
- /// ```
- pub fn to_ascii_titlecase(self) -> Self {
- let word = self.0.get().to_le();
- let mask =
- ((word + 0x3f3f3f3f_3f3f3f1f) & !(word + 0x25252525_25252505) & 0x80808080_80808080)
- >> 2;
- let result = (word | mask) & !(0x20 & mask);
- unsafe { Self(NonZeroU64::new_unchecked(u64::from_le(result))) }
- }
-
- /// Converts this type to its ASCII upper case equivalent in-place.
- ///
- /// ASCII letters 'a' to 'z' are mapped to 'A' to 'Z', other characters are unchanged.
- ///
- /// # Examples
- ///
- /// ```
- /// use tinystr::TinyStr8;
- ///
- /// let s1: TinyStr8 = "Tes3ing".parse()
- /// .expect("Failed to parse.");
- ///
- /// assert_eq!(s1.to_ascii_uppercase(), "TES3ING");
- /// ```
- pub fn to_ascii_uppercase(self) -> Self {
- let word = self.0.get();
- let result = word
- & !(((word + 0x1f1f1f1f_1f1f1f1f)
- & !(word + 0x05050505_05050505)
- & 0x80808080_80808080)
- >> 2);
- unsafe { Self(NonZeroU64::new_unchecked(result)) }
- }
-}
-
-impl fmt::Display for TinyStr8 {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- write!(f, "{}", self.deref())
- }
-}
-
-impl fmt::Debug for TinyStr8 {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- write!(f, "{:?}", self.deref())
- }
-}
-
-impl Deref for TinyStr8 {
- type Target = str;
-
- #[inline(always)]
- fn deref(&self) -> &str {
- // Again, could use #cfg to hand-roll a big-endian implementation.
- let word = self.0.get().to_le();
- let len = (8 - word.leading_zeros() / 8) as usize;
- unsafe {
- let slice = core::slice::from_raw_parts(&self.0 as *const _ as *const u8, len);
- std::str::from_utf8_unchecked(slice)
- }
- }
-}
-
-impl PartialEq<&str> for TinyStr8 {
- fn eq(&self, other: &&str) -> bool {
- self.deref() == *other
- }
-}
-
-impl PartialOrd for TinyStr8 {
- fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
- Some(self.cmp(other))
- }
-}
-
-impl Ord for TinyStr8 {
- fn cmp(&self, other: &Self) -> Ordering {
- self.0.get().to_be().cmp(&other.0.get().to_be())
- }
-}
-
-impl FromStr for TinyStr8 {
- type Err = Error;
-
- #[inline(always)]
- fn from_str(text: &str) -> Result<Self, Self::Err> {
- TinyStr8::from_bytes(text.as_bytes())
- }
-}
-
-impl Into<u64> for TinyStr8 {
- fn into(self) -> u64 {
- self.0.get().to_le()
- }
-}