| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/encoding_rs-0.8.32/src/euc_kr.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>euc_kr.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../encoding_rs/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../encoding_rs/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="comment">// Copyright Mozilla Foundation. See the COPYRIGHT |
| // file at the top-level directory of this distribution. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // https://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| </span><span class="kw">use super</span>::<span class="kw-2">*</span>; |
| <span class="kw">use </span><span class="kw">crate</span>::data::<span class="kw-2">*</span>; |
| <span class="kw">use </span><span class="kw">crate</span>::handles::<span class="kw-2">*</span>; |
| <span class="kw">use </span><span class="kw">crate</span>::variant::<span class="kw-2">*</span>; |
| <span class="comment">// Rust 1.14.0 requires the following despite the asterisk above. |
| </span><span class="kw">use </span><span class="kw">super</span>::in_inclusive_range16; |
| <span class="kw">use </span><span class="kw">super</span>::in_range16; |
| |
| <span class="kw">pub struct </span>EucKrDecoder { |
| lead: <span class="prelude-ty">Option</span><u8>, |
| } |
| |
| <span class="kw">impl </span>EucKrDecoder { |
| <span class="kw">pub fn </span>new() -> VariantDecoder { |
| VariantDecoder::EucKr(EucKrDecoder { lead: <span class="prelude-val">None </span>}) |
| } |
| |
| <span class="kw">pub fn </span>in_neutral_state(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="self">self</span>.lead.is_none() |
| } |
| |
| <span class="kw">fn </span>plus_one_if_lead(<span class="kw-2">&</span><span class="self">self</span>, byte_length: usize) -> <span class="prelude-ty">Option</span><usize> { |
| byte_length.checked_add(<span class="kw">match </span><span class="self">self</span>.lead { |
| <span class="prelude-val">None </span>=> <span class="number">0</span>, |
| <span class="prelude-val">Some</span>(<span class="kw">_</span>) => <span class="number">1</span>, |
| }) |
| } |
| |
| <span class="kw">pub fn </span>max_utf16_buffer_length(<span class="kw-2">&</span><span class="self">self</span>, byte_length: usize) -> <span class="prelude-ty">Option</span><usize> { |
| <span class="self">self</span>.plus_one_if_lead(byte_length) |
| } |
| |
| <span class="kw">pub fn </span>max_utf8_buffer_length_without_replacement(<span class="kw-2">&</span><span class="self">self</span>, byte_length: usize) -> <span class="prelude-ty">Option</span><usize> { |
| <span class="comment">// worst case: 2 to 3 |
| </span><span class="kw">let </span>len = <span class="self">self</span>.plus_one_if_lead(byte_length); |
| checked_add(<span class="number">2</span>, checked_add_opt(len, checked_div(checked_add(<span class="number">1</span>, len), <span class="number">2</span>))) |
| } |
| |
| <span class="kw">pub fn </span>max_utf8_buffer_length(<span class="kw-2">&</span><span class="self">self</span>, byte_length: usize) -> <span class="prelude-ty">Option</span><usize> { |
| checked_mul(<span class="number">3</span>, <span class="self">self</span>.plus_one_if_lead(byte_length)) |
| } |
| |
| <span class="macro">ascii_compatible_two_byte_decoder_functions!</span>( |
| { |
| <span class="comment">// If lead is between 0x81 and 0xFE, inclusive, |
| // subtract offset 0x81. |
| </span><span class="kw">let </span>non_ascii_minus_offset = |
| non_ascii.wrapping_sub(<span class="number">0x81</span>); |
| <span class="kw">if </span>non_ascii_minus_offset > (<span class="number">0xFE </span>- <span class="number">0x81</span>) { |
| <span class="kw">return </span>(DecoderResult::Malformed(<span class="number">1</span>, <span class="number">0</span>), |
| source.consumed(), |
| handle.written()); |
| } |
| non_ascii_minus_offset |
| }, |
| { |
| <span class="kw">if </span>lead_minus_offset >= <span class="number">0x20 </span>{ |
| <span class="comment">// Not the extension range above KS X 1001 |
| </span><span class="kw">let </span>trail_minus_offset = |
| byte.wrapping_sub(<span class="number">0xA1</span>); |
| <span class="kw">if </span>trail_minus_offset <= (<span class="number">0xFE </span>- <span class="number">0xA1</span>) { |
| <span class="comment">// KS X 1001 |
| </span><span class="kw">let </span>ksx_pointer = mul_94(lead_minus_offset - <span class="number">0x20</span>) + trail_minus_offset <span class="kw">as </span>usize; |
| <span class="kw">let </span>hangul_pointer = ksx_pointer.wrapping_sub((<span class="number">0x2F </span>- <span class="number">0x20</span>) * <span class="number">94</span>); |
| <span class="kw">if </span>hangul_pointer < KSX1001_HANGUL.len() { |
| <span class="kw">let </span>upper_bmp = KSX1001_HANGUL[hangul_pointer]; |
| handle.write_upper_bmp(upper_bmp) |
| } <span class="kw">else if </span>ksx_pointer < KSX1001_SYMBOLS.len() { |
| <span class="kw">let </span>bmp = KSX1001_SYMBOLS[ksx_pointer]; |
| handle.write_bmp_excl_ascii(bmp) |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>hanja_pointer = ksx_pointer.wrapping_sub((<span class="number">0x49 </span>- <span class="number">0x20</span>) * <span class="number">94</span>); |
| <span class="kw">if </span>hanja_pointer < KSX1001_HANJA.len() { |
| <span class="kw">let </span>upper_bmp = KSX1001_HANJA[hanja_pointer]; |
| handle.write_upper_bmp(upper_bmp) |
| } <span class="kw">else if </span>(lead_minus_offset == <span class="number">0x27</span>) && ((trail_minus_offset <span class="kw">as </span>usize) < KSX1001_UPPERCASE.len()) { |
| <span class="kw">let </span>mid_bmp = KSX1001_UPPERCASE[trail_minus_offset <span class="kw">as </span>usize]; |
| <span class="kw">if </span>mid_bmp == <span class="number">0 </span>{ |
| <span class="kw">return </span>(DecoderResult::Malformed(<span class="number">2</span>, <span class="number">0</span>), |
| unread_handle_trail.consumed(), |
| handle.written()); |
| } |
| handle.write_mid_bmp(mid_bmp) |
| } <span class="kw">else if </span>(lead_minus_offset == <span class="number">0x28</span>) && ((trail_minus_offset <span class="kw">as </span>usize) < KSX1001_LOWERCASE.len()) { |
| <span class="kw">let </span>mid_bmp = KSX1001_LOWERCASE[trail_minus_offset <span class="kw">as </span>usize]; |
| handle.write_mid_bmp(mid_bmp) |
| } <span class="kw">else if </span>(lead_minus_offset == <span class="number">0x25</span>) && ((trail_minus_offset <span class="kw">as </span>usize) < KSX1001_BOX.len()) { |
| <span class="kw">let </span>upper_bmp = KSX1001_BOX[trail_minus_offset <span class="kw">as </span>usize]; |
| handle.write_upper_bmp(upper_bmp) |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>other_pointer = ksx_pointer.wrapping_sub(<span class="number">2 </span>* <span class="number">94</span>); |
| <span class="kw">if </span>other_pointer < <span class="number">0x039F </span>{ |
| <span class="kw">let </span>bmp = ksx1001_other_decode(other_pointer <span class="kw">as </span>u16); |
| <span class="comment">// ASCII range means unassigned |
| </span><span class="kw">if </span>bmp < <span class="number">0x80 </span>{ |
| <span class="kw">return </span>(DecoderResult::Malformed(<span class="number">2</span>, <span class="number">0</span>), |
| unread_handle_trail.consumed(), |
| handle.written()); |
| } |
| handle.write_bmp_excl_ascii(bmp) |
| } <span class="kw">else </span>{ |
| <span class="kw">return </span>(DecoderResult::Malformed(<span class="number">2</span>, <span class="number">0</span>), |
| unread_handle_trail.consumed(), |
| handle.written()); |
| } |
| } |
| } |
| } <span class="kw">else </span>{ |
| <span class="comment">// Extension range to the left of |
| // KS X 1001 |
| </span><span class="kw">let </span>left_lead = lead_minus_offset - <span class="number">0x20</span>; |
| <span class="kw">let </span>left_trail = <span class="kw">if </span>byte.wrapping_sub(<span class="number">0x40 </span>+ <span class="number">0x41</span>) < (<span class="number">0x60 </span>- <span class="number">0x40</span>) { |
| byte - (<span class="number">12 </span>+ <span class="number">0x41</span>) |
| } <span class="kw">else if </span>byte.wrapping_sub(<span class="number">0x20 </span>+ <span class="number">0x41</span>) < (<span class="number">0x3A </span>- <span class="number">0x20</span>) { |
| byte - (<span class="number">6 </span>+ <span class="number">0x41</span>) |
| } <span class="kw">else if </span>byte.wrapping_sub(<span class="number">0x41</span>) < <span class="number">0x1A </span>{ |
| byte - <span class="number">0x41 |
| </span>} <span class="kw">else </span>{ |
| <span class="kw">if </span>byte < <span class="number">0x80 </span>{ |
| <span class="kw">return </span>(DecoderResult::Malformed(<span class="number">1</span>, <span class="number">0</span>), |
| unread_handle_trail.unread(), |
| handle.written()); |
| } |
| <span class="kw">return </span>(DecoderResult::Malformed(<span class="number">2</span>, <span class="number">0</span>), |
| unread_handle_trail.consumed(), |
| handle.written()); |
| }; |
| <span class="kw">let </span>left_pointer = ((left_lead <span class="kw">as </span>usize) * (<span class="number">190 </span>- <span class="number">94 </span>- <span class="number">12</span>)) + left_trail <span class="kw">as </span>usize; |
| <span class="kw">if </span>left_pointer < (<span class="number">0x45 </span>- <span class="number">0x20</span>) * (<span class="number">190 </span>- <span class="number">94 </span>- <span class="number">12</span>) + <span class="number">0x12 </span>{ |
| <span class="kw">let </span>upper_bmp = cp949_left_hangul_decode(left_pointer <span class="kw">as </span>u16); |
| handle.write_upper_bmp(upper_bmp) |
| } <span class="kw">else </span>{ |
| <span class="kw">if </span>byte < <span class="number">0x80 </span>{ |
| <span class="kw">return </span>(DecoderResult::Malformed(<span class="number">1</span>, <span class="number">0</span>), |
| unread_handle_trail.unread(), |
| handle.written()); |
| } |
| <span class="kw">return </span>(DecoderResult::Malformed(<span class="number">2</span>, <span class="number">0</span>), |
| unread_handle_trail.consumed(), |
| handle.written()); |
| } |
| } |
| } <span class="kw">else </span>{ |
| <span class="comment">// Extension range above KS X 1001 |
| </span><span class="kw">let </span>top_trail = <span class="kw">if </span>byte.wrapping_sub(<span class="number">0x40 </span>+ <span class="number">0x41</span>) < (<span class="number">0xBE </span>- <span class="number">0x40</span>) { |
| byte - (<span class="number">12 </span>+ <span class="number">0x41</span>) |
| } <span class="kw">else if </span>byte.wrapping_sub(<span class="number">0x20 </span>+ <span class="number">0x41</span>) < (<span class="number">0x3A </span>- <span class="number">0x20</span>) { |
| byte - (<span class="number">6 </span>+ <span class="number">0x41</span>) |
| } <span class="kw">else if </span>byte.wrapping_sub(<span class="number">0x41</span>) < <span class="number">0x1A </span>{ |
| byte - <span class="number">0x41 |
| </span>} <span class="kw">else </span>{ |
| <span class="kw">if </span>byte < <span class="number">0x80 </span>{ |
| <span class="kw">return </span>(DecoderResult::Malformed(<span class="number">1</span>, <span class="number">0</span>), |
| unread_handle_trail.unread(), |
| handle.written()); |
| } |
| <span class="kw">return </span>(DecoderResult::Malformed(<span class="number">2</span>, <span class="number">0</span>), |
| unread_handle_trail.consumed(), |
| handle.written()); |
| }; |
| <span class="kw">let </span>top_pointer = ((lead_minus_offset <span class="kw">as </span>usize) * (<span class="number">190 </span>- <span class="number">12</span>)) + top_trail <span class="kw">as </span>usize; |
| <span class="kw">let </span>upper_bmp = cp949_top_hangul_decode(top_pointer <span class="kw">as </span>u16); |
| handle.write_upper_bmp(upper_bmp) |
| } |
| }, |
| <span class="self">self</span>, |
| non_ascii, |
| byte, |
| lead_minus_offset, |
| unread_handle_trail, |
| source, |
| handle, |
| <span class="lifetime">'outermost</span>, |
| copy_ascii_from_check_space_bmp, |
| check_space_bmp, |
| <span class="bool-val">true</span>); |
| } |
| |
| <span class="kw">fn </span>ksx1001_encode_misc(bmp: u16) -> <span class="prelude-ty">Option</span><(usize, usize)> { |
| <span class="kw">if </span>in_inclusive_range16(bmp, <span class="number">0x3000</span>, <span class="number">0x3015</span>) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(pos) = position(<span class="kw-2">&</span>KSX1001_SYMBOLS[..(<span class="number">0xAB </span>- <span class="number">0x60</span>)], bmp) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>((<span class="number">0xA1</span>, pos + <span class="number">0xA1</span>)); |
| } |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(other_pointer) = ksx1001_other_encode(bmp) { |
| <span class="kw">let </span>other_lead = ((other_pointer <span class="kw">as </span>usize) / <span class="number">94</span>) + (<span class="number">0x81 </span>+ <span class="number">0x22</span>); |
| <span class="kw">let </span>other_trail = ((other_pointer <span class="kw">as </span>usize) % <span class="number">94</span>) + <span class="number">0xA1</span>; |
| <span class="kw">return </span><span class="prelude-val">Some</span>((other_lead, other_trail)); |
| } |
| <span class="kw">if </span>in_range16(bmp, <span class="number">0x00AA</span>, <span class="number">0x0168</span>) { |
| <span class="comment">// Latin |
| </span><span class="kw">if let </span><span class="prelude-val">Some</span>(pos) = position(<span class="kw-2">&</span>KSX1001_LOWERCASE[..], bmp) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>((<span class="number">0x81 </span>+ <span class="number">0x28</span>, <span class="number">0xA1 </span>+ pos)); |
| } |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(pos) = position(<span class="kw-2">&</span>KSX1001_UPPERCASE[..], bmp) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>((<span class="number">0x81 </span>+ <span class="number">0x27</span>, <span class="number">0xA1 </span>+ pos)); |
| } |
| } <span class="kw">else if </span>in_range16(bmp, <span class="number">0x2500</span>, <span class="number">0x254C</span>) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(pos) = position(<span class="kw-2">&</span>KSX1001_BOX[..], bmp) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>((<span class="number">0x81 </span>+ <span class="number">0x25</span>, <span class="number">0xA1 </span>+ pos)); |
| } |
| } |
| <span class="kw">if </span>in_inclusive_range16(bmp, <span class="number">0x2015</span>, <span class="number">0x266D</span>) |
| || in_inclusive_range16(bmp, <span class="number">0x321C</span>, <span class="number">0x33D8</span>) |
| || in_inclusive_range16(bmp, <span class="number">0xFF3C</span>, <span class="number">0xFFE5</span>) |
| || in_inclusive_range16(bmp, <span class="number">0x00A1</span>, <span class="number">0x00F7</span>) |
| || in_inclusive_range16(bmp, <span class="number">0x02C7</span>, <span class="number">0x02DD</span>) |
| { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(pos) = position(<span class="kw-2">&</span>KSX1001_SYMBOLS[<span class="number">3</span>..], bmp) { |
| <span class="kw">if </span>pos < (<span class="number">94 </span>- <span class="number">3</span>) { |
| <span class="kw">return </span><span class="prelude-val">Some</span>((<span class="number">0xA1</span>, pos + <span class="number">0xA1 </span>+ <span class="number">3</span>)); |
| } |
| <span class="kw">return </span><span class="prelude-val">Some</span>((<span class="number">0xA2</span>, pos - (<span class="number">94 </span>- <span class="number">3</span>) + <span class="number">0xA1</span>)); |
| } |
| } |
| <span class="prelude-val">None |
| </span>} |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"fast-hangul-encode"</span>))] |
| #[inline(always)] |
| </span><span class="kw">fn </span>ksx1001_encode_hangul(bmp: u16, <span class="kw">_</span>: u16) -> (u8, u8) { |
| <span class="kw">match </span>KSX1001_HANGUL.binary_search(<span class="kw-2">&</span>bmp) { |
| <span class="prelude-val">Ok</span>(ksx_hangul_pointer) => { |
| <span class="kw">let </span>ksx_hangul_lead = (ksx_hangul_pointer / <span class="number">94</span>) + (<span class="number">0x81 </span>+ <span class="number">0x2F</span>); |
| <span class="kw">let </span>ksx_hangul_trail = (ksx_hangul_pointer % <span class="number">94</span>) + <span class="number">0xA1</span>; |
| (ksx_hangul_lead <span class="kw">as </span>u8, ksx_hangul_trail <span class="kw">as </span>u8) |
| } |
| <span class="prelude-val">Err</span>(<span class="kw">_</span>) => { |
| <span class="kw">let </span>(lead, cp949_trail) = <span class="kw">if </span>bmp < <span class="number">0xC8A5 </span>{ |
| <span class="comment">// Above KS X 1001 |
| </span><span class="kw">let </span>top_pointer = cp949_top_hangul_encode(bmp) <span class="kw">as </span>usize; |
| <span class="kw">let </span>top_lead = (top_pointer / (<span class="number">190 </span>- <span class="number">12</span>)) + <span class="number">0x81</span>; |
| <span class="kw">let </span>top_trail = top_pointer % (<span class="number">190 </span>- <span class="number">12</span>); |
| (top_lead <span class="kw">as </span>u8, top_trail <span class="kw">as </span>u8) |
| } <span class="kw">else </span>{ |
| <span class="comment">// To the left of KS X 1001 |
| </span><span class="kw">let </span>left_pointer = cp949_left_hangul_encode(bmp) <span class="kw">as </span>usize; |
| <span class="kw">let </span>left_lead = (left_pointer / (<span class="number">190 </span>- <span class="number">94 </span>- <span class="number">12</span>)) + (<span class="number">0x81 </span>+ <span class="number">0x20</span>); |
| <span class="kw">let </span>left_trail = left_pointer % (<span class="number">190 </span>- <span class="number">94 </span>- <span class="number">12</span>); |
| (left_lead <span class="kw">as </span>u8, left_trail <span class="kw">as </span>u8) |
| }; |
| <span class="kw">let </span>offset = <span class="kw">if </span>cp949_trail >= (<span class="number">0x40 </span>- <span class="number">12</span>) { |
| <span class="number">0x41 </span>+ <span class="number">12 |
| </span>} <span class="kw">else if </span>cp949_trail >= (<span class="number">0x20 </span>- <span class="number">6</span>) { |
| <span class="number">0x41 </span>+ <span class="number">6 |
| </span>} <span class="kw">else </span>{ |
| <span class="number">0x41 |
| </span>}; |
| (lead <span class="kw">as </span>u8, (cp949_trail + offset) <span class="kw">as </span>u8) |
| } |
| } |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"fast-hangul-encode"</span>)] |
| #[inline(always)] |
| </span><span class="kw">fn </span>ksx1001_encode_hangul(<span class="kw">_</span>: u16, bmp_minus_hangul_start: u16) -> (u8, u8) { |
| cp949_hangul_encode(bmp_minus_hangul_start) |
| } |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"fast-hanja-encode"</span>))] |
| #[inline(always)] |
| </span><span class="kw">fn </span>ksx1001_encode_hanja(bmp: u16) -> <span class="prelude-ty">Option</span><(u8, u8)> { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(hanja_pointer) = position(<span class="kw-2">&</span>KSX1001_HANJA[..], bmp) { |
| <span class="kw">let </span>hanja_lead = (hanja_pointer / <span class="number">94</span>) + (<span class="number">0x81 </span>+ <span class="number">0x49</span>); |
| <span class="kw">let </span>hanja_trail = (hanja_pointer % <span class="number">94</span>) + <span class="number">0xA1</span>; |
| <span class="prelude-val">Some</span>((hanja_lead <span class="kw">as </span>u8, hanja_trail <span class="kw">as </span>u8)) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">None |
| </span>} |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"fast-hanja-encode"</span>)] |
| #[inline(always)] |
| </span><span class="kw">fn </span>ksx1001_encode_hanja(bmp: u16) -> <span class="prelude-ty">Option</span><(u8, u8)> { |
| <span class="kw">if </span>bmp < <span class="number">0xF900 </span>{ |
| ksx1001_unified_hangul_encode(bmp) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Some</span>(ksx1001_compatibility_hangul_encode(bmp)) |
| } |
| } |
| |
| <span class="kw">pub struct </span>EucKrEncoder; |
| |
| <span class="kw">impl </span>EucKrEncoder { |
| <span class="kw">pub fn </span>new(encoding: <span class="kw-2">&</span><span class="lifetime">'static </span>Encoding) -> Encoder { |
| Encoder::new(encoding, VariantEncoder::EucKr(EucKrEncoder)) |
| } |
| |
| <span class="kw">pub fn </span>max_buffer_length_from_utf16_without_replacement( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| u16_length: usize, |
| ) -> <span class="prelude-ty">Option</span><usize> { |
| u16_length.checked_mul(<span class="number">2</span>) |
| } |
| |
| <span class="kw">pub fn </span>max_buffer_length_from_utf8_without_replacement( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| byte_length: usize, |
| ) -> <span class="prelude-ty">Option</span><usize> { |
| byte_length.checked_add(<span class="number">1</span>) |
| } |
| |
| <span class="macro">ascii_compatible_bmp_encoder_functions!</span>( |
| { |
| <span class="kw">let </span>bmp_minus_hangul_start = bmp.wrapping_sub(<span class="number">0xAC00</span>); |
| <span class="kw">let </span>(lead, trail) = <span class="kw">if </span>bmp_minus_hangul_start < (<span class="number">0xD7A4 </span>- <span class="number">0xAC00</span>) { |
| <span class="comment">// Hangul |
| </span>ksx1001_encode_hangul(bmp, bmp_minus_hangul_start) |
| } <span class="kw">else if </span>in_range16(bmp, <span class="number">0x33DE</span>, <span class="number">0xFF01</span>) { |
| <span class="comment">// Vast range that includes no other |
| // mappables except Hangul (already |
| // processed) and Hanja. |
| // Narrow the range further to Unified and |
| // Compatibility ranges of Hanja. |
| </span><span class="kw">if </span>in_range16(bmp, <span class="number">0x4E00</span>, <span class="number">0x9F9D</span>) || in_range16(bmp, <span class="number">0xF900</span>, <span class="number">0xFA0C</span>) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>((hanja_lead, hanja_trail)) = ksx1001_encode_hanja(bmp) { |
| (hanja_lead, hanja_trail) |
| } <span class="kw">else </span>{ |
| <span class="kw">return </span>( |
| EncoderResult::unmappable_from_bmp(bmp), |
| source.consumed(), |
| handle.written(), |
| ); |
| } |
| } <span class="kw">else </span>{ |
| <span class="kw">return </span>( |
| EncoderResult::unmappable_from_bmp(bmp), |
| source.consumed(), |
| handle.written(), |
| ); |
| } |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>((lead, trail)) = ksx1001_encode_misc(bmp) { |
| (lead <span class="kw">as </span>u8, trail <span class="kw">as </span>u8) |
| } <span class="kw">else </span>{ |
| <span class="kw">return </span>( |
| EncoderResult::unmappable_from_bmp(bmp), |
| source.consumed(), |
| handle.written(), |
| ); |
| }; |
| handle.write_two(lead, trail) |
| }, |
| bmp, |
| <span class="self">self</span>, |
| source, |
| handle, |
| copy_ascii_to_check_space_two, |
| check_space_two, |
| <span class="bool-val">true |
| </span>); |
| } |
| |
| <span class="comment">// Any copyright to the test code below this comment is dedicated to the |
| // Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ |
| |
| </span><span class="attribute">#[cfg(all(test, feature = <span class="string">"alloc"</span>))] |
| </span><span class="kw">mod </span>tests { |
| <span class="kw">use </span><span class="kw">super</span>::<span class="kw">super</span>::testing::<span class="kw-2">*</span>; |
| <span class="kw">use </span><span class="kw">super</span>::<span class="kw">super</span>::<span class="kw-2">*</span>; |
| |
| <span class="kw">fn </span>decode_euc_kr(bytes: <span class="kw-2">&</span>[u8], expect: <span class="kw-2">&</span>str) { |
| decode(EUC_KR, bytes, expect); |
| } |
| |
| <span class="kw">fn </span>encode_euc_kr(string: <span class="kw-2">&</span>str, expect: <span class="kw-2">&</span>[u8]) { |
| encode(EUC_KR, string, expect); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_euc_kr_decode() { |
| <span class="comment">// Empty |
| </span>decode_euc_kr(<span class="string">b""</span>, <span class="kw-2">&</span><span class="string">""</span>); |
| |
| <span class="comment">// ASCII |
| </span>decode_euc_kr(<span class="string">b"\x61\x62"</span>, <span class="string">"\u{0061}\u{0062}"</span>); |
| |
| decode_euc_kr(<span class="string">b"\x81\x41"</span>, <span class="string">"\u{AC02}"</span>); |
| decode_euc_kr(<span class="string">b"\x81\x5B"</span>, <span class="string">"\u{FFFD}\x5B"</span>); |
| decode_euc_kr(<span class="string">b"\xFD\xFE"</span>, <span class="string">"\u{8A70}"</span>); |
| decode_euc_kr(<span class="string">b"\xFE\x41"</span>, <span class="string">"\u{FFFD}\x41"</span>); |
| decode_euc_kr(<span class="string">b"\xFF\x41"</span>, <span class="string">"\u{FFFD}\x41"</span>); |
| decode_euc_kr(<span class="string">b"\x80\x41"</span>, <span class="string">"\u{FFFD}\x41"</span>); |
| decode_euc_kr(<span class="string">b"\xA1\xFF"</span>, <span class="string">"\u{FFFD}"</span>); |
| decode_euc_kr(<span class="string">b"\x81\xFF"</span>, <span class="string">"\u{FFFD}"</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_euc_kr_encode() { |
| <span class="comment">// Empty |
| </span>encode_euc_kr(<span class="string">""</span>, <span class="string">b""</span>); |
| |
| <span class="comment">// ASCII |
| </span>encode_euc_kr(<span class="string">"\u{0061}\u{0062}"</span>, <span class="string">b"\x61\x62"</span>); |
| |
| encode_euc_kr(<span class="string">"\u{AC02}"</span>, <span class="string">b"\x81\x41"</span>); |
| encode_euc_kr(<span class="string">"\u{8A70}"</span>, <span class="string">b"\xFD\xFE"</span>); |
| } |
| |
| <span class="attribute">#[test] |
| #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow |
| </span><span class="kw">fn </span>test_euc_kr_decode_all() { |
| <span class="kw">let </span>input = <span class="macro">include_bytes!</span>(<span class="string">"test_data/euc_kr_in.txt"</span>); |
| <span class="kw">let </span>expectation = <span class="macro">include_str!</span>(<span class="string">"test_data/euc_kr_in_ref.txt"</span>); |
| <span class="kw">let </span>(cow, had_errors) = EUC_KR.decode_without_bom_handling(input); |
| <span class="macro">assert!</span>(had_errors, <span class="string">"Should have had errors."</span>); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>cow[..], expectation); |
| } |
| |
| <span class="attribute">#[test] |
| #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow |
| </span><span class="kw">fn </span>test_euc_kr_encode_all() { |
| <span class="kw">let </span>input = <span class="macro">include_str!</span>(<span class="string">"test_data/euc_kr_out.txt"</span>); |
| <span class="kw">let </span>expectation = <span class="macro">include_bytes!</span>(<span class="string">"test_data/euc_kr_out_ref.txt"</span>); |
| <span class="kw">let </span>(cow, encoding, had_errors) = EUC_KR.encode(input); |
| <span class="macro">assert!</span>(!had_errors, <span class="string">"Should not have had errors."</span>); |
| <span class="macro">assert_eq!</span>(encoding, EUC_KR); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>cow[..], <span class="kw-2">&</span>expectation[..]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_euc_kr_encode_from_two_low_surrogates() { |
| <span class="kw">let </span>expectation = <span class="string">b"&#65533;&#65533;"</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>output = [<span class="number">0u8</span>; <span class="number">40</span>]; |
| <span class="kw">let </span><span class="kw-2">mut </span>encoder = EUC_KR.new_encoder(); |
| <span class="kw">let </span>(result, read, written, had_errors) = |
| encoder.encode_from_utf16(<span class="kw-2">&</span>[<span class="number">0xDC00u16</span>, <span class="number">0xDEDEu16</span>], <span class="kw-2">&mut </span>output[..], <span class="bool-val">true</span>); |
| <span class="macro">assert_eq!</span>(result, CoderResult::InputEmpty); |
| <span class="macro">assert_eq!</span>(read, <span class="number">2</span>); |
| <span class="macro">assert_eq!</span>(written, expectation.len()); |
| <span class="macro">assert!</span>(had_errors); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>output[..written], expectation); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="encoding_rs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |