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diff --git a/files/ru/web/guide/unicode_bidrectional_text_algorithm/index.html b/files/ru/web/guide/unicode_bidrectional_text_algorithm/index.html new file mode 100644 index 0000000000..d07516957c --- /dev/null +++ b/files/ru/web/guide/unicode_bidrectional_text_algorithm/index.html @@ -0,0 +1,144 @@ +--- +title: Алгоритм обработки текста двусторонней направленности (Юникод) +slug: Web/Guide/Unicode_Bidrectional_Text_Algorithm +tags: + - Алгоритм + - Локализация + - Руководство + - Юникод + - направление +translation_of: Web/Guide/Unicode_Bidrectional_Text_Algorithm +--- +<div>{{draft}}</div> + +<p><span class="seoSummary"><strong>Алгоритм обработки текста двусторонней направленности</strong> (Unicode® Bidirectional Algorithm или <strong>BiDi</strong> Algorithm) — раздел стандарта текста Unicode, описывающий в каком порядке раскладываются символы во время обработки страницы {{Glossary("агентом пользователя")}}.</span> +Этот алгоритм полезен при создании локализированного веб-контента.</p> + +<p class="summary">В руководстве рассказывается о том, как работает BiDi алгоритм и как его применить. Алгоритм непосредственно связан с {{Glossary("HTML")}} и {{Glossary("CSS")}}, при обработке которых определяется порядок и направление символов в тексте.</p> + +<h2 id="Основы">Основы</h2> + +<p>(Базовое направление, типы символов, и т.д.)</p> + +<h2 id="Алгоритм">Алгоритм</h2> + +<h3 id="Уровни_направленности_символов">Уровни направленности символов</h3> + +<h3 id="Directional_runs">Directional runs</h3> + +<p>(Что это, что такое базовое направление)</p> + +<h3 id="Символы_нейтральной_направленности">Символы нейтральной направленности</h3> + +<h2 id="Overriding_the_algorithm">Overriding the algorithm</h2> + +<p>Content about using HTML and CSS to override the default behavior of the algorithm; include info about isolating ranges etc.</p> + +<h3 id="Overiding_BiDi_using_Unicode_control_characters">Overiding BiDi using Unicode control characters</h3> + +<p>Unicode provides a number of special control characters that make it possible to control directionality of ranges of text. There are two sets of control characters; one set opens the override, and another restores the original directionality. You must always follow each opening character with an appropriate closing character.</p> + +<table class="standard-table"> + <caption>Initial Unicode BiDi algorithm control characters</caption> + <thead> + <tr> + <th scope="row">Character</th> + <th scope="col">Code point</th> + <th scope="col">HTML entity</th> + <th scope="col">Markup equivalent</th> + <th scope="col">Description</th> + </tr> + </thead> + <tbody> + <tr> + <th scope="row">Left-to-Right Isolate (LRI)</th> + <td>U+2066</td> + <td><code>&#x2066;</code></td> + <td><code>dir="ltr"</code></td> + <td>Sets the base direction to LTR, isolating the embedded content from the surrounding text</td> + </tr> + <tr> + <th scope="row">Right-to-Left Isolate (LRI)</th> + <td>U+2067</td> + <td><code>&#x2067;</code></td> + <td><code>dir="rtl"</code></td> + <td>Sets the base direction to RTL, isolating the embedded content from the surrounding text</td> + </tr> + <tr> + <th scope="row">First Strong Isolate (FSI)</th> + <td>U+2068</td> + <td><code>&#x2068;</code></td> + <td><code>dir="auto"</code></td> + <td>Isolates the content and sets the base direction according to the first strongly-typed directional character in the embedded content</td> + </tr> + <tr> + <th scope="row">Left-to-Right Embedding (LRE)</th> + <td>U+202A</td> + <td><code>&#x202A;</code></td> + <td><code>dir="ltr"</code></td> + <td>Sets the base direction to LTR but allows the embedded text to interact with the surrounding content; this risks the effect spilling over to the outer content</td> + </tr> + <tr> + <th scope="row">Right-to-Left Embedding (RLE)</th> + <td>U+202B</td> + <td><code>&#x202B;</code></td> + <td><code>dir="rtl"</code></td> + <td>Sets the base direction to RTL, but lets the embedded text interact with the surrounding content, risking spillover effects</td> + </tr> + <tr> + <th scope="row">Left-to-Right Override (LRO)</th> + <td>U+202D</td> + <td><code>&#x202D;</code></td> + <td><code><bdo dir="ltr"></code></td> + <td>Overrides the BiDi algorithm, displaying the characters in memory order, from left to right</td> + </tr> + <tr> + <th scope="row">Right-to-Left Override (RLO)</th> + <td>U+202E</td> + <td><code>&#x202E;</code></td> + <td><code><bdo dir="rtl"></code></td> + <td>Overrides the BiDi algorithm and displays the embedded characters in reverse memory order, from right to left</td> + </tr> + </tbody> +</table> + +<table class="standard-table"> + <caption>Closing Unicode BiDi algorithm control characters</caption> + <thead> + <tr> + <th scope="row">Character</th> + <th scope="col">Code point</th> + <th scope="col">HTML entity</th> + <th scope="col">Markup equivalent</th> + <th scope="col">Description</th> + </tr> + </thead> + <tbody> + <tr> + <th rowspan="2" scope="row">Pop Directional Formatting (PDF)</th> + <td rowspan="2">U+202C</td> + <td rowspan="2"><code>&#x202C;</code></td> + <td>Closing whatever opening tag used the {{htmlattrxref("dir")}} attribute</td> + <td>Used for RLE or LRE</td> + </tr> + <tr> + <td><code></bdo></code></td> + <td>Used for RLO or LRO</td> + </tr> + <tr> + <th scope="row">Pop Directional Isolate (PDI)</th> + <td>U+2069</td> + <td><code>&#x2069;</code></td> + <td>Closing whatever opening tag used the {{htmlattrxref("dir")}} attribute</td> + <td>Used for RLI, LRI, or FSI</td> + </tr> + </tbody> +</table> + +<h2 id="См._также">См. также</h2> + +<ul> + <li><a href="https://www.unicode.org/reports/tr9/">Соответствующий стандарт Юникод (Unicode® Standard Annex #9: Unicode Bidirectional Algorithm)</a></li> + <li><a href="https://www.w3.org/International/articles/inline-bidi-markup/uba-basics">W3C: Unicode Bidirectional Algorithm basics</a></li> + <li><a href="https://www.w3.org/International/questions/qa-bidi-unicode-controls">W3C Q&A: How to use Unicode controls for bidi text</a></li> +</ul> |