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mod constants {
pub const CJK_IDEOGRAPH_EXTENSION_C_FIRST: char = '𪜀';
pub const CJK_IDEOGRAPH_EXTENSION_C_LAST: char = '𫜴';
}
#[derive(Debug, Clone, Copy, Hash, PartialEq, Eq)]
pub enum CJKUnifiedIdeographsExtensionC {
CjkIdeographExtensionCFirst,
CjkIdeographExtensionCLast,
}
impl Into<char> for CJKUnifiedIdeographsExtensionC {
fn into(self) -> char {
use constants::*;
match self {
CJKUnifiedIdeographsExtensionC::CjkIdeographExtensionCFirst => CJK_IDEOGRAPH_EXTENSION_C_FIRST,
CJKUnifiedIdeographsExtensionC::CjkIdeographExtensionCLast => CJK_IDEOGRAPH_EXTENSION_C_LAST,
}
}
}
impl std::convert::TryFrom<char> for CJKUnifiedIdeographsExtensionC {
type Error = ();
fn try_from(c: char) -> Result<Self, Self::Error> {
use constants::*;
match c {
CJK_IDEOGRAPH_EXTENSION_C_FIRST => Ok(CJKUnifiedIdeographsExtensionC::CjkIdeographExtensionCFirst),
CJK_IDEOGRAPH_EXTENSION_C_LAST => Ok(CJKUnifiedIdeographsExtensionC::CjkIdeographExtensionCLast),
_ => Err(()),
}
}
}
impl Into<u32> for CJKUnifiedIdeographsExtensionC {
fn into(self) -> u32 {
let c: char = self.into();
let hex = c
.escape_unicode()
.to_string()
.replace("\\u{", "")
.replace("}", "");
u32::from_str_radix(&hex, 16).unwrap()
}
}
impl std::convert::TryFrom<u32> for CJKUnifiedIdeographsExtensionC {
type Error = ();
fn try_from(u: u32) -> Result<Self, Self::Error> {
if let Ok(c) = char::try_from(u) {
Self::try_from(c)
} else {
Err(())
}
}
}
impl Iterator for CJKUnifiedIdeographsExtensionC {
type Item = Self;
fn next(&mut self) -> Option<Self> {
let index: u32 = (*self).into();
use std::convert::TryFrom;
Self::try_from(index + 1).ok()
}
}
impl CJKUnifiedIdeographsExtensionC {
pub fn new() -> Self {
CJKUnifiedIdeographsExtensionC::CjkIdeographExtensionCFirst
}
pub fn name(&self) -> &str {
match self {
CJKUnifiedIdeographsExtensionC::CjkIdeographExtensionCFirst => "cjk ideograph extension c first",
CJKUnifiedIdeographsExtensionC::CjkIdeographExtensionCLast => "cjk ideograph extension c last",
}
}
}