| <!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_jp.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>euc_jp.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">enum </span>EucJpPending { |
| <span class="prelude-val">None</span>, |
| Jis0208Lead(u8), |
| Jis0212Shift, |
| Jis0212Lead(u8), |
| HalfWidthKatakana, |
| } |
| |
| <span class="kw">impl </span>EucJpPending { |
| <span class="kw">fn </span>is_none(<span class="kw-2">&</span><span class="self">self</span>) -> bool { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| EucJpPending::None => <span class="bool-val">true</span>, |
| <span class="kw">_ </span>=> <span class="bool-val">false</span>, |
| } |
| } |
| |
| <span class="kw">fn </span>count(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="kw">match </span><span class="kw-2">*</span><span class="self">self </span>{ |
| EucJpPending::None => <span class="number">0</span>, |
| EucJpPending::Jis0208Lead(<span class="kw">_</span>) |
| | EucJpPending::Jis0212Shift |
| | EucJpPending::HalfWidthKatakana => <span class="number">1</span>, |
| EucJpPending::Jis0212Lead(<span class="kw">_</span>) => <span class="number">2</span>, |
| } |
| } |
| } |
| |
| <span class="kw">pub struct </span>EucJpDecoder { |
| pending: EucJpPending, |
| } |
| |
| <span class="kw">impl </span>EucJpDecoder { |
| <span class="kw">pub fn </span>new() -> VariantDecoder { |
| VariantDecoder::EucJp(EucJpDecoder { |
| pending: EucJpPending::None, |
| }) |
| } |
| |
| <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>.pending.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">if </span><span class="self">self</span>.pending.is_none() { <span class="number">0 </span>} <span class="kw">else </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">euc_jp_decoder_functions!</span>( |
| { |
| <span class="kw">let </span>trail_minus_offset = byte.wrapping_sub(<span class="number">0xA1</span>); |
| <span class="comment">// Fast-track Hiragana (60% according to Lunde) |
| // and Katakana (10% acconding to Lunde). |
| </span><span class="kw">if </span>jis0208_lead_minus_offset == <span class="number">0x03 </span>&& trail_minus_offset < <span class="number">0x53 </span>{ |
| <span class="comment">// Hiragana |
| </span>handle.write_upper_bmp(<span class="number">0x3041 </span>+ u16::from(trail_minus_offset)) |
| } <span class="kw">else if </span>jis0208_lead_minus_offset == <span class="number">0x04 </span>&& trail_minus_offset < <span class="number">0x56 </span>{ |
| <span class="comment">// Katakana |
| </span>handle.write_upper_bmp(<span class="number">0x30A1 </span>+ u16::from(trail_minus_offset)) |
| } <span class="kw">else if </span>trail_minus_offset > (<span class="number">0xFE </span>- <span class="number">0xA1</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="kw">let </span>pointer = mul_94(jis0208_lead_minus_offset) + usize::from(trail_minus_offset); |
| <span class="kw">let </span>level1_pointer = pointer.wrapping_sub(<span class="number">1410</span>); |
| <span class="kw">if </span>level1_pointer < JIS0208_LEVEL1_KANJI.len() { |
| handle.write_upper_bmp(JIS0208_LEVEL1_KANJI[level1_pointer]) |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>level2_pointer = pointer.wrapping_sub(<span class="number">4418</span>); |
| <span class="kw">if </span>level2_pointer < JIS0208_LEVEL2_AND_ADDITIONAL_KANJI.len() { |
| handle.write_upper_bmp(JIS0208_LEVEL2_AND_ADDITIONAL_KANJI[level2_pointer]) |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>ibm_pointer = pointer.wrapping_sub(<span class="number">8272</span>); |
| <span class="kw">if </span>ibm_pointer < IBM_KANJI.len() { |
| handle.write_upper_bmp(IBM_KANJI[ibm_pointer]) |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(bmp) = jis0208_symbol_decode(pointer) { |
| handle.write_bmp_excl_ascii(bmp) |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(bmp) = jis0208_range_decode(pointer) { |
| 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="comment">// If lead is between 0xA1 and 0xFE, inclusive, |
| // subtract 0xA1. |
| </span><span class="kw">let </span>jis0212_lead_minus_offset = lead.wrapping_sub(<span class="number">0xA1</span>); |
| <span class="kw">if </span>jis0212_lead_minus_offset > (<span class="number">0xFE </span>- <span class="number">0xA1</span>) { |
| <span class="kw">if </span>lead < <span class="number">0x80 </span>{ |
| <span class="kw">return </span>( |
| DecoderResult::Malformed(<span class="number">1</span>, <span class="number">0</span>), |
| unread_handle_jis0212.unread(), |
| handle.written(), |
| ); |
| } |
| <span class="kw">return </span>( |
| DecoderResult::Malformed(<span class="number">2</span>, <span class="number">0</span>), |
| unread_handle_jis0212.consumed(), |
| handle.written(), |
| ); |
| } |
| jis0212_lead_minus_offset |
| }, |
| { |
| <span class="comment">// If trail is between 0xA1 and 0xFE, inclusive, |
| // subtract 0xA1. |
| </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="kw">if </span>byte < <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.unread(), |
| handle.written(), |
| ); |
| } |
| <span class="kw">return </span>( |
| DecoderResult::Malformed(<span class="number">3</span>, <span class="number">0</span>), |
| unread_handle_trail.consumed(), |
| handle.written(), |
| ); |
| } |
| <span class="kw">let </span>pointer = mul_94(jis0212_lead_minus_offset) + usize::from(trail_minus_offset); |
| <span class="kw">let </span>pointer_minus_kanji = pointer.wrapping_sub(<span class="number">1410</span>); |
| <span class="kw">if </span>pointer_minus_kanji < JIS0212_KANJI.len() { |
| handle.write_upper_bmp(JIS0212_KANJI[pointer_minus_kanji]) |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(bmp) = jis0212_accented_decode(pointer) { |
| handle.write_bmp_excl_ascii(bmp) |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>pointer_minus_upper_cyrillic = pointer.wrapping_sub(<span class="number">597</span>); |
| <span class="kw">if </span>pointer_minus_upper_cyrillic <= (<span class="number">607 </span>- <span class="number">597</span>) { |
| handle.write_mid_bmp(<span class="number">0x0402 </span>+ pointer_minus_upper_cyrillic <span class="kw">as </span>u16) |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>pointer_minus_lower_cyrillic = pointer.wrapping_sub(<span class="number">645</span>); |
| <span class="kw">if </span>pointer_minus_lower_cyrillic <= (<span class="number">655 </span>- <span class="number">645</span>) { |
| handle.write_mid_bmp(<span class="number">0x0452 </span>+ pointer_minus_lower_cyrillic <span class="kw">as </span>u16) |
| } <span class="kw">else </span>{ |
| <span class="kw">return </span>( |
| DecoderResult::Malformed(<span class="number">3</span>, <span class="number">0</span>), |
| unread_handle_trail.consumed(), |
| handle.written(), |
| ); |
| } |
| } |
| } |
| }, |
| { |
| <span class="comment">// If trail is between 0xA1 and 0xDF, inclusive, |
| // subtract 0xA1 and map to half-width Katakana. |
| </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">0xDF </span>- <span class="number">0xA1</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(), |
| ); |
| } |
| handle.write_upper_bmp(<span class="number">0xFF61 </span>+ u16::from(trail_minus_offset)) |
| }, |
| <span class="self">self</span>, |
| non_ascii, |
| jis0208_lead_minus_offset, |
| byte, |
| unread_handle_trail, |
| jis0212_lead_minus_offset, |
| lead, |
| unread_handle_jis0212, |
| source, |
| handle |
| ); |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"fast-kanji-encode"</span>)] |
| #[inline(always)] |
| </span><span class="kw">fn </span>encode_kanji(bmp: u16) -> <span class="prelude-ty">Option</span><(u8, u8)> { |
| jis0208_kanji_euc_jp_encode(bmp) |
| } |
| |
| <span class="attribute">#[cfg(not(feature = <span class="string">"fast-kanji-encode"</span>))] |
| #[inline(always)] |
| </span><span class="kw">fn </span>encode_kanji(bmp: u16) -> <span class="prelude-ty">Option</span><(u8, u8)> { |
| <span class="kw">if </span><span class="number">0x4EDD </span>== bmp { |
| <span class="comment">// Ideograph on the symbol row! |
| </span><span class="prelude-val">Some</span>((<span class="number">0xA1</span>, <span class="number">0xB8</span>)) |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>((lead, trail)) = jis0208_level1_kanji_euc_jp_encode(bmp) { |
| <span class="prelude-val">Some</span>((lead, trail)) |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(pos) = jis0208_level2_and_additional_kanji_encode(bmp) { |
| <span class="kw">let </span>lead = (pos / <span class="number">94</span>) + <span class="number">0xD0</span>; |
| <span class="kw">let </span>trail = (pos % <span class="number">94</span>) + <span class="number">0xA1</span>; |
| <span class="prelude-val">Some</span>((lead <span class="kw">as </span>u8, trail <span class="kw">as </span>u8)) |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(pos) = position(<span class="kw-2">&</span>IBM_KANJI[..], bmp) { |
| <span class="kw">let </span>lead = (pos / <span class="number">94</span>) + <span class="number">0xF9</span>; |
| <span class="kw">let </span>trail = (pos % <span class="number">94</span>) + <span class="number">0xA1</span>; |
| <span class="prelude-val">Some</span>((lead <span class="kw">as </span>u8, trail <span class="kw">as </span>u8)) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">None |
| </span>} |
| } |
| |
| <span class="kw">pub struct </span>EucJpEncoder; |
| |
| <span class="kw">impl </span>EucJpEncoder { |
| <span class="kw">pub fn </span>new(encoding: <span class="kw-2">&</span><span class="lifetime">'static </span>Encoding) -> Encoder { |
| Encoder::new(encoding, VariantEncoder::EucJp(EucJpEncoder)) |
| } |
| |
| <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="comment">// Lunde says 60% Hiragana, 30% Kanji, 10% Katakana |
| </span><span class="kw">let </span>bmp_minus_hiragana = bmp.wrapping_sub(<span class="number">0x3041</span>); |
| <span class="kw">if </span>bmp_minus_hiragana < <span class="number">0x53 </span>{ |
| handle.write_two(<span class="number">0xA4</span>, <span class="number">0xA1 </span>+ bmp_minus_hiragana <span class="kw">as </span>u8) |
| } <span class="kw">else if </span>in_inclusive_range16(bmp, <span class="number">0x4E00</span>, <span class="number">0x9FA0</span>) { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>((lead, trail)) = encode_kanji(bmp) { |
| handle.write_two(lead, 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">let </span>bmp_minus_katakana = bmp.wrapping_sub(<span class="number">0x30A1</span>); |
| <span class="kw">if </span>bmp_minus_katakana < <span class="number">0x56 </span>{ |
| handle.write_two(<span class="number">0xA5</span>, <span class="number">0xA1 </span>+ bmp_minus_katakana <span class="kw">as </span>u8) |
| } <span class="kw">else </span>{ |
| <span class="kw">let </span>bmp_minus_space = bmp.wrapping_sub(<span class="number">0x3000</span>); |
| <span class="kw">if </span>bmp_minus_space < <span class="number">3 </span>{ |
| <span class="comment">// fast-track common punctuation |
| </span>handle.write_two(<span class="number">0xA1</span>, <span class="number">0xA1 </span>+ bmp_minus_space <span class="kw">as </span>u8) |
| } <span class="kw">else if </span>bmp == <span class="number">0xA5 </span>{ |
| handle.write_one(<span class="number">0x5Cu8</span>) |
| } <span class="kw">else if </span>bmp == <span class="number">0x203E </span>{ |
| handle.write_one(<span class="number">0x7Eu8</span>) |
| } <span class="kw">else if </span>in_inclusive_range16(bmp, <span class="number">0xFF61</span>, <span class="number">0xFF9F</span>) { |
| handle.write_two(<span class="number">0x8Eu8</span>, (bmp - (<span class="number">0xFF61 </span>- <span class="number">0xA1</span>)) <span class="kw">as </span>u8) |
| } <span class="kw">else if </span>bmp == <span class="number">0x2212 </span>{ |
| handle.write_two(<span class="number">0xA1u8</span>, <span class="number">0xDDu8</span>) |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(pointer) = jis0208_range_encode(bmp) { |
| <span class="kw">let </span>lead = (pointer / <span class="number">94</span>) + <span class="number">0xA1</span>; |
| <span class="kw">let </span>trail = (pointer % <span class="number">94</span>) + <span class="number">0xA1</span>; |
| handle.write_two(lead <span class="kw">as </span>u8, trail <span class="kw">as </span>u8) |
| } <span class="kw">else if </span>in_inclusive_range16(bmp, <span class="number">0xFA0E</span>, <span class="number">0xFA2D</span>) |
| || bmp == <span class="number">0xF929 |
| </span>|| bmp == <span class="number">0xF9DC |
| </span>{ |
| <span class="comment">// Guaranteed to be found in IBM_KANJI |
| </span><span class="kw">let </span>pos = position(<span class="kw-2">&</span>IBM_KANJI[..], bmp).unwrap(); |
| <span class="kw">let </span>lead = (pos / <span class="number">94</span>) + <span class="number">0xF9</span>; |
| <span class="kw">let </span>trail = (pos % <span class="number">94</span>) + <span class="number">0xA1</span>; |
| handle.write_two(lead <span class="kw">as </span>u8, trail <span class="kw">as </span>u8) |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(pointer) = ibm_symbol_encode(bmp) { |
| <span class="kw">let </span>lead = (pointer / <span class="number">94</span>) + <span class="number">0xA1</span>; |
| <span class="kw">let </span>trail = (pointer % <span class="number">94</span>) + <span class="number">0xA1</span>; |
| handle.write_two(lead <span class="kw">as </span>u8, trail <span class="kw">as </span>u8) |
| } <span class="kw">else if let </span><span class="prelude-val">Some</span>(pointer) = jis0208_symbol_encode(bmp) { |
| <span class="kw">let </span>lead = (pointer / <span class="number">94</span>) + <span class="number">0xA1</span>; |
| <span class="kw">let </span>trail = (pointer % <span class="number">94</span>) + <span class="number">0xA1</span>; |
| handle.write_two(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(), |
| ); |
| } |
| } |
| } |
| }, |
| bmp, |
| <span class="self">self</span>, |
| source, |
| handle, |
| copy_ascii_to_check_space_two, |
| check_space_two, |
| <span class="bool-val">false |
| </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_jp(bytes: <span class="kw-2">&</span>[u8], expect: <span class="kw-2">&</span>str) { |
| decode(EUC_JP, bytes, expect); |
| } |
| |
| <span class="kw">fn </span>encode_euc_jp(string: <span class="kw-2">&</span>str, expect: <span class="kw-2">&</span>[u8]) { |
| encode(EUC_JP, string, expect); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_euc_jp_decode() { |
| <span class="comment">// Empty |
| </span>decode_euc_jp(<span class="string">b""</span>, <span class="kw-2">&</span><span class="string">""</span>); |
| |
| <span class="comment">// ASCII |
| </span>decode_euc_jp(<span class="string">b"\x61\x62"</span>, <span class="string">"\u{0061}\u{0062}"</span>); |
| |
| <span class="comment">// Half-width |
| </span>decode_euc_jp(<span class="string">b"\x8E\xA1"</span>, <span class="string">"\u{FF61}"</span>); |
| decode_euc_jp(<span class="string">b"\x8E\xDF"</span>, <span class="string">"\u{FF9F}"</span>); |
| decode_euc_jp(<span class="string">b"\x8E\xA0"</span>, <span class="string">"\u{FFFD}"</span>); |
| decode_euc_jp(<span class="string">b"\x8E\xE0"</span>, <span class="string">"\u{FFFD}"</span>); |
| decode_euc_jp(<span class="string">b"\x8E\xFF"</span>, <span class="string">"\u{FFFD}"</span>); |
| decode_euc_jp(<span class="string">b"\x8E"</span>, <span class="string">"\u{FFFD}"</span>); |
| |
| <span class="comment">// JIS 0212 |
| </span>decode_euc_jp(<span class="string">b"\x8F\xA1\xA1"</span>, <span class="string">"\u{FFFD}"</span>); |
| decode_euc_jp(<span class="string">b"\x8F\xA2\xAF"</span>, <span class="string">"\u{02D8}"</span>); |
| decode_euc_jp(<span class="string">b"\x8F\xA2\xFF"</span>, <span class="string">"\u{FFFD}"</span>); |
| decode_euc_jp(<span class="string">b"\x8F\xA1"</span>, <span class="string">"\u{FFFD}"</span>); |
| decode_euc_jp(<span class="string">b"\x8F"</span>, <span class="string">"\u{FFFD}"</span>); |
| |
| <span class="comment">// JIS 0208 |
| </span>decode_euc_jp(<span class="string">b"\xA1\xA1"</span>, <span class="string">"\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\xA1\xA0"</span>, <span class="string">"\u{FFFD}"</span>); |
| decode_euc_jp(<span class="string">b"\xFC\xFE"</span>, <span class="string">"\u{FF02}"</span>); |
| decode_euc_jp(<span class="string">b"\xFE\xFE"</span>, <span class="string">"\u{FFFD}"</span>); |
| decode_euc_jp(<span class="string">b"\xA1"</span>, <span class="string">"\u{FFFD}"</span>); |
| |
| <span class="comment">// Bad leads |
| </span>decode_euc_jp(<span class="string">b"\xFF\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\xA0\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x80\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x81\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x82\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x83\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x84\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x85\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x86\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x87\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x88\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x89\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x8A\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x8B\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x8C\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| decode_euc_jp(<span class="string">b"\x8D\xA1\xA1"</span>, <span class="string">"\u{FFFD}\u{3000}"</span>); |
| |
| <span class="comment">// Bad ASCII trail |
| </span>decode_euc_jp(<span class="string">b"\xA1\x40"</span>, <span class="string">"\u{FFFD}\u{0040}"</span>); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_euc_jp_encode() { |
| <span class="comment">// Empty |
| </span>encode_euc_jp(<span class="string">""</span>, <span class="string">b""</span>); |
| |
| <span class="comment">// ASCII |
| </span>encode_euc_jp(<span class="string">"\u{0061}\u{0062}"</span>, <span class="string">b"\x61\x62"</span>); |
| |
| <span class="comment">// Exceptional code points |
| </span>encode_euc_jp(<span class="string">"\u{00A5}"</span>, <span class="string">b"\x5C"</span>); |
| encode_euc_jp(<span class="string">"\u{203E}"</span>, <span class="string">b"\x7E"</span>); |
| encode_euc_jp(<span class="string">"\u{2212}"</span>, <span class="string">b"\xA1\xDD"</span>); |
| |
| <span class="comment">// Half-width |
| </span>encode_euc_jp(<span class="string">"\u{FF61}"</span>, <span class="string">b"\x8E\xA1"</span>); |
| encode_euc_jp(<span class="string">"\u{FF9F}"</span>, <span class="string">b"\x8E\xDF"</span>); |
| |
| <span class="comment">// JIS 0212 |
| </span>encode_euc_jp(<span class="string">"\u{02D8}"</span>, <span class="string">b"&#728;"</span>); |
| |
| <span class="comment">// JIS 0208 |
| </span>encode_euc_jp(<span class="string">"\u{3000}"</span>, <span class="string">b"\xA1\xA1"</span>); |
| encode_euc_jp(<span class="string">"\u{FF02}"</span>, <span class="string">b"\xFC\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_jis0208_decode_all() { |
| <span class="kw">let </span>input = <span class="macro">include_bytes!</span>(<span class="string">"test_data/jis0208_in.txt"</span>); |
| <span class="kw">let </span>expectation = <span class="macro">include_str!</span>(<span class="string">"test_data/jis0208_in_ref.txt"</span>); |
| <span class="kw">let </span>(cow, had_errors) = EUC_JP.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_jis0208_encode_all() { |
| <span class="kw">let </span>input = <span class="macro">include_str!</span>(<span class="string">"test_data/jis0208_out.txt"</span>); |
| <span class="kw">let </span>expectation = <span class="macro">include_bytes!</span>(<span class="string">"test_data/jis0208_out_ref.txt"</span>); |
| <span class="kw">let </span>(cow, encoding, had_errors) = EUC_JP.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_JP); |
| <span class="macro">assert_eq!</span>(<span class="kw-2">&</span>cow[..], <span class="kw-2">&</span>expectation[..]); |
| } |
| |
| <span class="attribute">#[test] |
| #[cfg_attr(miri, ignore)] </span><span class="comment">// Miri is too slow |
| </span><span class="kw">fn </span>test_jis0212_decode_all() { |
| <span class="kw">let </span>input = <span class="macro">include_bytes!</span>(<span class="string">"test_data/jis0212_in.txt"</span>); |
| <span class="kw">let </span>expectation = <span class="macro">include_str!</span>(<span class="string">"test_data/jis0212_in_ref.txt"</span>); |
| <span class="kw">let </span>(cow, had_errors) = EUC_JP.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); |
| } |
| } |
| </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> |
