805 lines
25 KiB
Rust
805 lines
25 KiB
Rust
// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//
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// ignore-lexer-test FIXME #15679
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//! Operations on ASCII strings and characters
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#![experimental]
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use collections::Collection;
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use fmt;
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use iter::Iterator;
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use mem;
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use option::{Option, Some, None};
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use slice::{ImmutableSlice, MutableSlice, Slice};
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use str::{Str, StrSlice};
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use str;
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use string::String;
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use to_string::IntoStr;
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use vec::Vec;
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#[deprecated="this trait has been renamed to `AsciiExt`"]
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pub use self::AsciiExt as StrAsciiExt;
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#[deprecated="this trait has been renamed to `OwnedAsciiExt`"]
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pub use self::OwnedAsciiExt as OwnedStrAsciiExt;
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/// Datatype to hold one ascii character. It wraps a `u8`, with the highest bit always zero.
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#[deriving(Clone, PartialEq, PartialOrd, Ord, Eq, Hash)]
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pub struct Ascii { chr: u8 }
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impl Ascii {
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/// Converts an ascii character into a `u8`.
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#[inline]
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pub fn to_byte(self) -> u8 {
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self.chr
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}
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/// Converts an ascii character into a `char`.
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#[inline]
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pub fn to_char(self) -> char {
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self.chr as char
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}
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#[inline]
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#[allow(missing_doc)]
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#[deprecated="renamed to `to_lowercase`"]
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pub fn to_lower(self) -> Ascii {
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self.to_lowercase()
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}
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/// Convert to lowercase.
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#[inline]
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pub fn to_lowercase(self) -> Ascii {
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Ascii{chr: ASCII_LOWER_MAP[self.chr as uint]}
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}
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#[inline]
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#[allow(missing_doc)]
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#[deprecated="renamed to `to_uppercase`"]
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pub fn to_upper(self) -> Ascii {
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self.to_uppercase()
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}
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/// Convert to uppercase.
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#[inline]
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pub fn to_uppercase(self) -> Ascii {
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Ascii{chr: ASCII_UPPER_MAP[self.chr as uint]}
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}
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/// Compares two ascii characters of equality, ignoring case.
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#[inline]
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pub fn eq_ignore_case(self, other: Ascii) -> bool {
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ASCII_LOWER_MAP[self.chr as uint] == ASCII_LOWER_MAP[other.chr as uint]
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}
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// the following methods are like ctype, and the implementation is inspired by musl
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#[inline]
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#[allow(missing_doc)]
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#[deprecated="renamed to `is_alphabetic`"]
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pub fn is_alpha(&self) -> bool {
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self.is_alphabetic()
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}
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/// Check if the character is a letter (a-z, A-Z)
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#[inline]
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pub fn is_alphabetic(&self) -> bool {
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(self.chr >= 0x41 && self.chr <= 0x5A) || (self.chr >= 0x61 && self.chr <= 0x7A)
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}
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/// Check if the character is a number (0-9)
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#[inline]
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pub fn is_digit(&self) -> bool {
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self.chr >= 0x30 && self.chr <= 0x39
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}
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#[inline]
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#[allow(missing_doc)]
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#[deprecated="renamed to `is_alphanumeric`"]
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pub fn is_alnum(&self) -> bool {
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self.is_alphanumeric()
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}
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/// Check if the character is a letter or number
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#[inline]
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pub fn is_alphanumeric(&self) -> bool {
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self.is_alpha() || self.is_digit()
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}
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/// Check if the character is a space or horizontal tab
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#[inline]
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pub fn is_blank(&self) -> bool {
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self.chr == b' ' || self.chr == b'\t'
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}
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/// Check if the character is a control character
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#[inline]
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pub fn is_control(&self) -> bool {
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self.chr < 0x20 || self.chr == 0x7F
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}
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/// Checks if the character is printable (except space)
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#[inline]
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pub fn is_graph(&self) -> bool {
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(self.chr - 0x21) < 0x5E
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}
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/// Checks if the character is printable (including space)
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#[inline]
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pub fn is_print(&self) -> bool {
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(self.chr - 0x20) < 0x5F
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}
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#[inline]
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#[allow(missing_doc)]
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#[deprecated="renamed to `is_lowercase`"]
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pub fn is_lower(&self) -> bool {
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self.is_lowercase()
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}
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/// Checks if the character is lowercase
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#[inline]
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pub fn is_lowercase(&self) -> bool {
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(self.chr - b'a') < 26
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}
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#[inline]
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#[allow(missing_doc)]
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#[deprecated="renamed to `is_uppercase`"]
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pub fn is_upper(&self) -> bool {
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self.is_uppercase()
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}
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/// Checks if the character is uppercase
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#[inline]
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pub fn is_uppercase(&self) -> bool {
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(self.chr - b'A') < 26
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}
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/// Checks if the character is punctuation
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#[inline]
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pub fn is_punctuation(&self) -> bool {
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self.is_graph() && !self.is_alnum()
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}
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/// Checks if the character is a valid hex digit
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#[inline]
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pub fn is_hex(&self) -> bool {
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self.is_digit() || ((self.chr | 32u8) - b'a') < 6
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}
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}
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impl<'a> fmt::Show for Ascii {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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(self.chr as char).fmt(f)
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}
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}
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/// Trait for converting into an ascii type.
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pub trait AsciiCast<T> {
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/// Convert to an ascii type, fail on non-ASCII input.
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#[inline]
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fn to_ascii(&self) -> T {
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assert!(self.is_ascii());
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unsafe {self.to_ascii_nocheck()}
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}
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/// Convert to an ascii type, return None on non-ASCII input.
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#[inline]
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fn to_ascii_opt(&self) -> Option<T> {
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if self.is_ascii() {
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Some(unsafe { self.to_ascii_nocheck() })
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} else {
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None
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}
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}
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/// Convert to an ascii type, not doing any range asserts
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unsafe fn to_ascii_nocheck(&self) -> T;
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/// Check if convertible to ascii
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fn is_ascii(&self) -> bool;
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}
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impl<'a> AsciiCast<&'a[Ascii]> for &'a [u8] {
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#[inline]
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unsafe fn to_ascii_nocheck(&self) -> &'a[Ascii] {
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mem::transmute(*self)
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}
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#[inline]
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fn is_ascii(&self) -> bool {
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for b in self.iter() {
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if !b.is_ascii() { return false; }
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}
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true
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}
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}
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impl<'a> AsciiCast<&'a [Ascii]> for &'a str {
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#[inline]
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unsafe fn to_ascii_nocheck(&self) -> &'a [Ascii] {
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mem::transmute(*self)
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}
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#[inline]
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fn is_ascii(&self) -> bool {
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self.bytes().all(|b| b.is_ascii())
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}
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}
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impl AsciiCast<Ascii> for u8 {
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#[inline]
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unsafe fn to_ascii_nocheck(&self) -> Ascii {
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Ascii{ chr: *self }
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}
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#[inline]
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fn is_ascii(&self) -> bool {
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*self & 128 == 0u8
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}
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}
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impl AsciiCast<Ascii> for char {
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#[inline]
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unsafe fn to_ascii_nocheck(&self) -> Ascii {
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Ascii{ chr: *self as u8 }
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}
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#[inline]
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fn is_ascii(&self) -> bool {
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*self as u32 - ('\x7F' as u32 & *self as u32) == 0
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}
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}
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/// Trait for copyless casting to an ascii vector.
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pub trait OwnedAsciiCast {
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/// Check if convertible to ascii
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fn is_ascii(&self) -> bool;
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/// Take ownership and cast to an ascii vector. Fail on non-ASCII input.
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#[inline]
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fn into_ascii(self) -> Vec<Ascii> {
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assert!(self.is_ascii());
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unsafe {self.into_ascii_nocheck()}
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}
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/// Take ownership and cast to an ascii vector. Return None on non-ASCII input.
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#[inline]
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fn into_ascii_opt(self) -> Option<Vec<Ascii>> {
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if self.is_ascii() {
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Some(unsafe { self.into_ascii_nocheck() })
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} else {
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None
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}
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}
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/// Take ownership and cast to an ascii vector.
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/// Does not perform validation checks.
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unsafe fn into_ascii_nocheck(self) -> Vec<Ascii>;
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}
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impl OwnedAsciiCast for String {
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#[inline]
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fn is_ascii(&self) -> bool {
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self.as_slice().is_ascii()
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}
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#[inline]
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unsafe fn into_ascii_nocheck(self) -> Vec<Ascii> {
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let v: Vec<u8> = mem::transmute(self);
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v.into_ascii_nocheck()
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}
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}
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impl OwnedAsciiCast for Vec<u8> {
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#[inline]
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fn is_ascii(&self) -> bool {
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self.as_slice().is_ascii()
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}
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#[inline]
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unsafe fn into_ascii_nocheck(self) -> Vec<Ascii> {
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mem::transmute(self)
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}
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}
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/// Trait for converting an ascii type to a string. Needed to convert
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/// `&[Ascii]` to `&str`.
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pub trait AsciiStr {
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/// Convert to a string.
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fn as_str_ascii<'a>(&'a self) -> &'a str;
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/// Convert to vector representing a lower cased ascii string.
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fn to_lower(&self) -> Vec<Ascii>;
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/// Convert to vector representing a upper cased ascii string.
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fn to_upper(&self) -> Vec<Ascii>;
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/// Compares two Ascii strings ignoring case.
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fn eq_ignore_case(self, other: &[Ascii]) -> bool;
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}
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impl<'a> AsciiStr for &'a [Ascii] {
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#[inline]
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fn as_str_ascii<'a>(&'a self) -> &'a str {
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unsafe { mem::transmute(*self) }
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}
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#[inline]
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fn to_lower(&self) -> Vec<Ascii> {
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self.iter().map(|a| a.to_lower()).collect()
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}
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#[inline]
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fn to_upper(&self) -> Vec<Ascii> {
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self.iter().map(|a| a.to_upper()).collect()
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}
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#[inline]
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fn eq_ignore_case(self, other: &[Ascii]) -> bool {
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self.iter().zip(other.iter()).all(|(&a, &b)| a.eq_ignore_case(b))
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}
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}
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impl IntoStr for Vec<Ascii> {
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#[inline]
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fn into_string(self) -> String {
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unsafe {
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let s: &str = mem::transmute(self.as_slice());
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String::from_str(s)
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}
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}
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}
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/// Trait to convert to an owned byte vector by consuming self
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pub trait IntoBytes {
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/// Converts to an owned byte vector by consuming self
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fn into_bytes(self) -> Vec<u8>;
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}
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impl IntoBytes for Vec<Ascii> {
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fn into_bytes(self) -> Vec<u8> {
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unsafe { mem::transmute(self) }
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}
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}
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/// Extension methods for ASCII-subset only operations on owned strings
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pub trait OwnedAsciiExt {
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/// Convert the string to ASCII upper case:
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/// ASCII letters 'a' to 'z' are mapped to 'A' to 'Z',
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/// but non-ASCII letters are unchanged.
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fn into_ascii_upper(self) -> Self;
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/// Convert the string to ASCII lower case:
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/// ASCII letters 'A' to 'Z' are mapped to 'a' to 'z',
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/// but non-ASCII letters are unchanged.
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fn into_ascii_lower(self) -> Self;
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}
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/// Extension methods for ASCII-subset only operations on string slices
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pub trait AsciiExt<T> {
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/// Makes a copy of the string in ASCII upper case:
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/// ASCII letters 'a' to 'z' are mapped to 'A' to 'Z',
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/// but non-ASCII letters are unchanged.
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fn to_ascii_upper(&self) -> T;
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/// Makes a copy of the string in ASCII lower case:
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/// ASCII letters 'A' to 'Z' are mapped to 'a' to 'z',
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/// but non-ASCII letters are unchanged.
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fn to_ascii_lower(&self) -> T;
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/// Check that two strings are an ASCII case-insensitive match.
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/// Same as `to_ascii_lower(a) == to_ascii_lower(b)`,
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/// but without allocating and copying temporary strings.
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fn eq_ignore_ascii_case(&self, other: Self) -> bool;
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}
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impl<'a> AsciiExt<String> for &'a str {
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#[inline]
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fn to_ascii_upper(&self) -> String {
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// Vec<u8>::to_ascii_upper() preserves the UTF-8 invariant.
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unsafe { str::raw::from_utf8_owned(self.as_bytes().to_ascii_upper()) }
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}
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#[inline]
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fn to_ascii_lower(&self) -> String {
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// Vec<u8>::to_ascii_lower() preserves the UTF-8 invariant.
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unsafe { str::raw::from_utf8_owned(self.as_bytes().to_ascii_lower()) }
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}
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#[inline]
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fn eq_ignore_ascii_case(&self, other: &str) -> bool {
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self.as_bytes().eq_ignore_ascii_case(other.as_bytes())
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}
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}
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impl OwnedAsciiExt for String {
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#[inline]
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fn into_ascii_upper(self) -> String {
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// Vec<u8>::into_ascii_upper() preserves the UTF-8 invariant.
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unsafe { str::raw::from_utf8_owned(self.into_bytes().into_ascii_upper()) }
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}
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#[inline]
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fn into_ascii_lower(self) -> String {
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// Vec<u8>::into_ascii_lower() preserves the UTF-8 invariant.
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unsafe { str::raw::from_utf8_owned(self.into_bytes().into_ascii_lower()) }
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}
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}
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impl<'a> AsciiExt<Vec<u8>> for &'a [u8] {
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#[inline]
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fn to_ascii_upper(&self) -> Vec<u8> {
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self.iter().map(|&byte| ASCII_UPPER_MAP[byte as uint]).collect()
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}
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#[inline]
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fn to_ascii_lower(&self) -> Vec<u8> {
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self.iter().map(|&byte| ASCII_LOWER_MAP[byte as uint]).collect()
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}
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#[inline]
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fn eq_ignore_ascii_case(&self, other: &[u8]) -> bool {
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self.len() == other.len() &&
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self.iter().zip(other.iter()).all(
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|(byte_self, byte_other)| {
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ASCII_LOWER_MAP[*byte_self as uint] ==
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ASCII_LOWER_MAP[*byte_other as uint]
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})
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}
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}
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impl OwnedAsciiExt for Vec<u8> {
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#[inline]
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fn into_ascii_upper(mut self) -> Vec<u8> {
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for byte in self.mut_iter() {
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*byte = ASCII_UPPER_MAP[*byte as uint];
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}
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self
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}
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#[inline]
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fn into_ascii_lower(mut self) -> Vec<u8> {
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for byte in self.mut_iter() {
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*byte = ASCII_LOWER_MAP[*byte as uint];
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}
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self
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}
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}
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pub static ASCII_LOWER_MAP: [u8, ..256] = [
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
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b' ', b'!', b'"', b'#', b'$', b'%', b'&', b'\'',
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b'(', b')', b'*', b'+', b',', b'-', b'.', b'/',
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b'0', b'1', b'2', b'3', b'4', b'5', b'6', b'7',
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b'8', b'9', b':', b';', b'<', b'=', b'>', b'?',
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b'@',
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b'a', b'b', b'c', b'd', b'e', b'f', b'g',
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b'h', b'i', b'j', b'k', b'l', b'm', b'n', b'o',
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b'p', b'q', b'r', b's', b't', b'u', b'v', b'w',
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b'x', b'y', b'z',
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b'[', b'\\', b']', b'^', b'_',
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b'`', b'a', b'b', b'c', b'd', b'e', b'f', b'g',
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b'h', b'i', b'j', b'k', b'l', b'm', b'n', b'o',
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b'p', b'q', b'r', b's', b't', b'u', b'v', b'w',
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b'x', b'y', b'z', b'{', b'|', b'}', b'~', 0x7f,
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0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
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0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
|
||
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
|
||
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
|
||
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
|
||
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
|
||
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
|
||
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
|
||
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
|
||
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
|
||
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
|
||
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
|
||
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
|
||
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
|
||
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
|
||
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
|
||
];
|
||
|
||
pub static ASCII_UPPER_MAP: [u8, ..256] = [
|
||
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
||
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
|
||
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
|
||
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
|
||
b' ', b'!', b'"', b'#', b'$', b'%', b'&', b'\'',
|
||
b'(', b')', b'*', b'+', b',', b'-', b'.', b'/',
|
||
b'0', b'1', b'2', b'3', b'4', b'5', b'6', b'7',
|
||
b'8', b'9', b':', b';', b'<', b'=', b'>', b'?',
|
||
b'@', b'A', b'B', b'C', b'D', b'E', b'F', b'G',
|
||
b'H', b'I', b'J', b'K', b'L', b'M', b'N', b'O',
|
||
b'P', b'Q', b'R', b'S', b'T', b'U', b'V', b'W',
|
||
b'X', b'Y', b'Z', b'[', b'\\', b']', b'^', b'_',
|
||
b'`',
|
||
|
||
b'A', b'B', b'C', b'D', b'E', b'F', b'G',
|
||
b'H', b'I', b'J', b'K', b'L', b'M', b'N', b'O',
|
||
b'P', b'Q', b'R', b'S', b'T', b'U', b'V', b'W',
|
||
b'X', b'Y', b'Z',
|
||
|
||
b'{', b'|', b'}', b'~', 0x7f,
|
||
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
|
||
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
|
||
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
|
||
0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
|
||
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
|
||
0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
|
||
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
|
||
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
|
||
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
|
||
0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
|
||
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
|
||
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
|
||
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
|
||
0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
|
||
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
|
||
0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
|
||
];
|
||
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use prelude::*;
|
||
use super::*;
|
||
use char::from_u32;
|
||
use vec::Vec;
|
||
use str::StrSlice;
|
||
|
||
macro_rules! v2ascii (
|
||
( [$($e:expr),*]) => (&[$(Ascii{chr:$e}),*]);
|
||
(&[$($e:expr),*]) => (&[$(Ascii{chr:$e}),*]);
|
||
)
|
||
|
||
macro_rules! vec2ascii (
|
||
($($e:expr),*) => (Vec::from_slice([$(Ascii{chr:$e}),*]));
|
||
)
|
||
|
||
#[test]
|
||
fn test_ascii() {
|
||
assert_eq!(65u8.to_ascii().to_byte(), 65u8);
|
||
assert_eq!(65u8.to_ascii().to_char(), 'A');
|
||
assert_eq!('A'.to_ascii().to_char(), 'A');
|
||
assert_eq!('A'.to_ascii().to_byte(), 65u8);
|
||
|
||
assert_eq!('A'.to_ascii().to_lower().to_char(), 'a');
|
||
assert_eq!('Z'.to_ascii().to_lower().to_char(), 'z');
|
||
assert_eq!('a'.to_ascii().to_upper().to_char(), 'A');
|
||
assert_eq!('z'.to_ascii().to_upper().to_char(), 'Z');
|
||
|
||
assert_eq!('@'.to_ascii().to_lower().to_char(), '@');
|
||
assert_eq!('['.to_ascii().to_lower().to_char(), '[');
|
||
assert_eq!('`'.to_ascii().to_upper().to_char(), '`');
|
||
assert_eq!('{'.to_ascii().to_upper().to_char(), '{');
|
||
|
||
assert!('0'.to_ascii().is_digit());
|
||
assert!('9'.to_ascii().is_digit());
|
||
assert!(!'/'.to_ascii().is_digit());
|
||
assert!(!':'.to_ascii().is_digit());
|
||
|
||
assert!((0x1fu8).to_ascii().is_control());
|
||
assert!(!' '.to_ascii().is_control());
|
||
assert!((0x7fu8).to_ascii().is_control());
|
||
|
||
assert!("banana".chars().all(|c| c.is_ascii()));
|
||
assert!(!"ประเทศไทย中华Việt Nam".chars().all(|c| c.is_ascii()));
|
||
}
|
||
|
||
#[test]
|
||
fn test_ascii_vec() {
|
||
let test = &[40u8, 32u8, 59u8];
|
||
let b: &[_] = v2ascii!([40, 32, 59]);
|
||
assert_eq!(test.to_ascii(), b);
|
||
assert_eq!("( ;".to_ascii(), b);
|
||
let v = vec![40u8, 32u8, 59u8];
|
||
assert_eq!(v.as_slice().to_ascii(), b);
|
||
assert_eq!("( ;".to_string().as_slice().to_ascii(), b);
|
||
|
||
assert_eq!("abCDef&?#".to_ascii().to_lower().into_string(), "abcdef&?#".to_string());
|
||
assert_eq!("abCDef&?#".to_ascii().to_upper().into_string(), "ABCDEF&?#".to_string());
|
||
|
||
assert_eq!("".to_ascii().to_lower().into_string(), "".to_string());
|
||
assert_eq!("YMCA".to_ascii().to_lower().into_string(), "ymca".to_string());
|
||
assert_eq!("abcDEFxyz:.;".to_ascii().to_upper().into_string(), "ABCDEFXYZ:.;".to_string());
|
||
|
||
assert!("aBcDeF&?#".to_ascii().eq_ignore_case("AbCdEf&?#".to_ascii()));
|
||
|
||
assert!("".is_ascii());
|
||
assert!("a".is_ascii());
|
||
assert!(!"\u2009".is_ascii());
|
||
|
||
}
|
||
|
||
#[test]
|
||
fn test_ascii_vec_ng() {
|
||
assert_eq!("abCDef&?#".to_ascii().to_lower().into_string(), "abcdef&?#".to_string());
|
||
assert_eq!("abCDef&?#".to_ascii().to_upper().into_string(), "ABCDEF&?#".to_string());
|
||
assert_eq!("".to_ascii().to_lower().into_string(), "".to_string());
|
||
assert_eq!("YMCA".to_ascii().to_lower().into_string(), "ymca".to_string());
|
||
assert_eq!("abcDEFxyz:.;".to_ascii().to_upper().into_string(), "ABCDEFXYZ:.;".to_string());
|
||
}
|
||
|
||
#[test]
|
||
fn test_owned_ascii_vec() {
|
||
assert_eq!(("( ;".to_string()).into_ascii(), vec2ascii![40, 32, 59]);
|
||
assert_eq!((vec![40u8, 32u8, 59u8]).into_ascii(), vec2ascii![40, 32, 59]);
|
||
}
|
||
|
||
#[test]
|
||
fn test_ascii_as_str() {
|
||
let v = v2ascii!([40, 32, 59]);
|
||
assert_eq!(v.as_str_ascii(), "( ;");
|
||
}
|
||
|
||
#[test]
|
||
fn test_ascii_into_string() {
|
||
assert_eq!(vec2ascii![40, 32, 59].into_string(), "( ;".to_string());
|
||
assert_eq!(vec2ascii!(40, 32, 59).into_string(), "( ;".to_string());
|
||
}
|
||
|
||
#[test]
|
||
fn test_ascii_to_bytes() {
|
||
assert_eq!(vec2ascii![40, 32, 59].into_bytes(), vec![40u8, 32u8, 59u8]);
|
||
}
|
||
|
||
#[test] #[should_fail]
|
||
fn test_ascii_vec_fail_u8_slice() { (&[127u8, 128u8, 255u8]).to_ascii(); }
|
||
|
||
#[test] #[should_fail]
|
||
fn test_ascii_vec_fail_str_slice() { "zoä华".to_ascii(); }
|
||
|
||
#[test] #[should_fail]
|
||
fn test_ascii_fail_u8_slice() { 255u8.to_ascii(); }
|
||
|
||
#[test] #[should_fail]
|
||
fn test_ascii_fail_char_slice() { 'λ'.to_ascii(); }
|
||
|
||
#[test]
|
||
fn test_opt() {
|
||
assert_eq!(65u8.to_ascii_opt(), Some(Ascii { chr: 65u8 }));
|
||
assert_eq!(255u8.to_ascii_opt(), None);
|
||
|
||
assert_eq!('A'.to_ascii_opt(), Some(Ascii { chr: 65u8 }));
|
||
assert_eq!('λ'.to_ascii_opt(), None);
|
||
|
||
assert_eq!("zoä华".to_ascii_opt(), None);
|
||
|
||
let test1 = &[127u8, 128u8, 255u8];
|
||
assert_eq!((test1).to_ascii_opt(), None);
|
||
|
||
let v = [40u8, 32u8, 59u8];
|
||
let v2: &[_] = v2ascii!(&[40, 32, 59]);
|
||
assert_eq!(v.to_ascii_opt(), Some(v2));
|
||
let v = [127u8, 128u8, 255u8];
|
||
assert_eq!(v.to_ascii_opt(), None);
|
||
|
||
let v = "( ;";
|
||
assert_eq!(v.to_ascii_opt(), Some(v2));
|
||
assert_eq!("zoä华".to_ascii_opt(), None);
|
||
|
||
assert_eq!((vec![40u8, 32u8, 59u8]).into_ascii_opt(), Some(vec2ascii![40, 32, 59]));
|
||
assert_eq!((vec![127u8, 128u8, 255u8]).into_ascii_opt(), None);
|
||
|
||
assert_eq!(("( ;".to_string()).into_ascii_opt(), Some(vec2ascii![40, 32, 59]));
|
||
assert_eq!(("zoä华".to_string()).into_ascii_opt(), None);
|
||
}
|
||
|
||
#[test]
|
||
fn test_to_ascii_upper() {
|
||
assert_eq!("url()URL()uRl()ürl".to_ascii_upper(), "URL()URL()URL()üRL".to_string());
|
||
assert_eq!("hıKß".to_ascii_upper(), "HıKß".to_string());
|
||
|
||
let mut i = 0;
|
||
while i <= 500 {
|
||
let upper = if 'a' as u32 <= i && i <= 'z' as u32 { i + 'A' as u32 - 'a' as u32 }
|
||
else { i };
|
||
assert_eq!((from_u32(i).unwrap()).to_string().as_slice().to_ascii_upper(),
|
||
(from_u32(upper).unwrap()).to_string())
|
||
i += 1;
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn test_to_ascii_lower() {
|
||
assert_eq!("url()URL()uRl()Ürl".to_ascii_lower(), "url()url()url()Ürl".to_string());
|
||
// Dotted capital I, Kelvin sign, Sharp S.
|
||
assert_eq!("HİKß".to_ascii_lower(), "hİKß".to_string());
|
||
|
||
let mut i = 0;
|
||
while i <= 500 {
|
||
let lower = if 'A' as u32 <= i && i <= 'Z' as u32 { i + 'a' as u32 - 'A' as u32 }
|
||
else { i };
|
||
assert_eq!((from_u32(i).unwrap()).to_string().as_slice().to_ascii_lower(),
|
||
(from_u32(lower).unwrap()).to_string())
|
||
i += 1;
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn test_into_ascii_upper() {
|
||
assert_eq!(("url()URL()uRl()ürl".to_string()).into_ascii_upper(),
|
||
"URL()URL()URL()üRL".to_string());
|
||
assert_eq!(("hıKß".to_string()).into_ascii_upper(), "HıKß".to_string());
|
||
|
||
let mut i = 0;
|
||
while i <= 500 {
|
||
let upper = if 'a' as u32 <= i && i <= 'z' as u32 { i + 'A' as u32 - 'a' as u32 }
|
||
else { i };
|
||
assert_eq!((from_u32(i).unwrap()).to_string().into_ascii_upper(),
|
||
(from_u32(upper).unwrap()).to_string())
|
||
i += 1;
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn test_into_ascii_lower() {
|
||
assert_eq!(("url()URL()uRl()Ürl".to_string()).into_ascii_lower(),
|
||
"url()url()url()Ürl".to_string());
|
||
// Dotted capital I, Kelvin sign, Sharp S.
|
||
assert_eq!(("HİKß".to_string()).into_ascii_lower(), "hİKß".to_string());
|
||
|
||
let mut i = 0;
|
||
while i <= 500 {
|
||
let lower = if 'A' as u32 <= i && i <= 'Z' as u32 { i + 'a' as u32 - 'A' as u32 }
|
||
else { i };
|
||
assert_eq!((from_u32(i).unwrap()).to_string().into_ascii_lower(),
|
||
(from_u32(lower).unwrap()).to_string())
|
||
i += 1;
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn test_eq_ignore_ascii_case() {
|
||
assert!("url()URL()uRl()Ürl".eq_ignore_ascii_case("url()url()url()Ürl"));
|
||
assert!(!"Ürl".eq_ignore_ascii_case("ürl"));
|
||
// Dotted capital I, Kelvin sign, Sharp S.
|
||
assert!("HİKß".eq_ignore_ascii_case("hİKß"));
|
||
assert!(!"İ".eq_ignore_ascii_case("i"));
|
||
assert!(!"K".eq_ignore_ascii_case("k"));
|
||
assert!(!"ß".eq_ignore_ascii_case("s"));
|
||
|
||
let mut i = 0;
|
||
while i <= 500 {
|
||
let c = i;
|
||
let lower = if 'A' as u32 <= c && c <= 'Z' as u32 { c + 'a' as u32 - 'A' as u32 }
|
||
else { c };
|
||
assert!((from_u32(i).unwrap()).to_string().as_slice().eq_ignore_ascii_case(
|
||
(from_u32(lower).unwrap()).to_string().as_slice()));
|
||
i += 1;
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn test_to_string() {
|
||
let s = Ascii{ chr: b't' }.to_string();
|
||
assert_eq!(s, "t".to_string());
|
||
}
|
||
|
||
#[test]
|
||
fn test_show() {
|
||
let c = Ascii { chr: b't' };
|
||
assert_eq!(format!("{}", c), "t".to_string());
|
||
}
|
||
}
|