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Changeset 55718
- Timestamp:
- 05/03/2023 11:53:19 PM (3 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
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trunk/src/wp-includes/html-api/class-wp-html-tag-processor.php
r55706 r55718 40 40 * Example: 41 41 * ```php 42 * 43 * 44 * 45 * 42 * $tags = new WP_HTML_Tag_Processor( $html ); 43 * if ( $tags->next_tag( 'option' ) ) { 44 * $tags->set_attribute( 'selected', true ); 45 * } 46 46 * ``` 47 47 * … … 56 56 * If you want to _find whatever the next tag is_: 57 57 * ```php 58 * 58 * $tags->next_tag(); 59 59 * ``` 60 60 * … … 89 89 * Example: 90 90 * ```php 91 * // Paint up to the first five DIV or SPAN tags marked with the "jazzy" style. 92 * $remaining_count = 5; 93 * while ( $remaining_count > 0 && $tags->next_tag() ) { 94 * if ( 95 * ( 'DIV' === $tags->get_tag() || 'SPAN' === $tags->get_tag() ) && 96 * 'jazzy' === $tags->get_attribute( 'data-style' ) 97 * ) { 98 * $tags->add_class( 'theme-style-everest-jazz' ); 99 * $remaining_count--; 100 * } 91 * // Paint up to the first five DIV or SPAN tags marked with the "jazzy" style. 92 * $remaining_count = 5; 93 * while ( $remaining_count > 0 && $tags->next_tag() ) { 94 * if ( 95 * ( 'DIV' === $tags->get_tag() || 'SPAN' === $tags->get_tag() ) && 96 * 'jazzy' === $tags->get_attribute( 'data-style' ) 97 * ) { 98 * $tags->add_class( 'theme-style-everest-jazz' ); 99 * $remaining_count--; 101 100 * } 101 * } 102 102 * ``` 103 103 * … … 118 118 * Example: 119 119 * ```php 120 * 121 * 122 * 123 * 120 * if ( $tags->next_tag( array( 'class' => 'wp-group-block' ) ) ) { 121 * $tags->set_attribute( 'title', 'This groups the contained content.' ); 122 * $tags->remove_attribute( 'data-test-id' ); 123 * } 124 124 * ``` 125 125 * … … 143 143 * Example: 144 144 * ```php 145 * 146 * 147 * 148 * 149 * 150 * 151 * 152 * 153 * 154 * 155 * 156 * 157 * 158 * 159 * 160 * 161 * 162 * 163 * 164 * 165 * 166 * 167 * 145 * // from `<span>Yippee!</span>` 146 * // to `<span class="is-active">Yippee!</span>` 147 * $tags->add_class( 'is-active' ); 148 * 149 * // from `<span class="excited">Yippee!</span>` 150 * // to `<span class="excited is-active">Yippee!</span>` 151 * $tags->add_class( 'is-active' ); 152 * 153 * // from `<span class="is-active heavy-accent">Yippee!</span>` 154 * // to `<span class="is-active heavy-accent">Yippee!</span>` 155 * $tags->add_class( 'is-active' ); 156 * 157 * // from `<input type="text" class="is-active rugby not-disabled" length="24">` 158 * // to `<input type="text" class="is-active not-disabled" length="24"> 159 * $tags->remove_class( 'rugby' ); 160 * 161 * // from `<input type="text" class="rugby" length="24">` 162 * // to `<input type="text" length="24"> 163 * $tags->remove_class( 'rugby' ); 164 * 165 * // from `<input type="text" length="24">` 166 * // to `<input type="text" length="24"> 167 * $tags->remove_class( 'rugby' ); 168 168 * ``` 169 169 * … … 186 186 * 187 187 * ```php 188 * $total_todos = 0; 189 * while ( $p->next_tag( array( 'tag_name' => 'UL', 'class_name' => 'todo' ) ) ) { 190 * $p->set_bookmark( 'list-start' ); 191 * while ( $p->next_tag( array( 'tag_closers' => 'visit' ) ) ) { 192 * if ( 'UL' === $p->get_tag() && $p->is_tag_closer() ) { 193 * $p->set_bookmark( 'list-end' ); 194 * $p->seek( 'list-start' ); 195 * $p->set_attribute( 'data-contained-todos', (string) $total_todos ); 196 * $total_todos = 0; 197 * $p->seek( 'list-end' ); 198 * break; 199 * } 200 * 201 * if ( 'LI' === $p->get_tag() && ! $p->is_tag_closer() ) { 202 * $total_todos++; 203 * } 188 * $total_todos = 0; 189 * while ( $p->next_tag( array( 'tag_name' => 'UL', 'class_name' => 'todo' ) ) ) { 190 * $p->set_bookmark( 'list-start' ); 191 * while ( $p->next_tag( array( 'tag_closers' => 'visit' ) ) ) { 192 * if ( 'UL' === $p->get_tag() && $p->is_tag_closer() ) { 193 * $p->set_bookmark( 'list-end' ); 194 * $p->seek( 'list-start' ); 195 * $p->set_attribute( 'data-contained-todos', (string) $total_todos ); 196 * $total_todos = 0; 197 * $p->seek( 'list-end' ); 198 * break; 199 * } 200 * 201 * if ( 'LI' === $p->get_tag() && ! $p->is_tag_closer() ) { 202 * $total_todos++; 204 203 * } 205 204 * } 205 * } 206 206 * ``` 207 207 * … … 230 230 * HTML5 specifies that certain invalid content be transformed into different forms 231 231 * for display, such as removing null bytes from an input document and replacing 232 * invalid characters with the Unicode replacement character U+FFFD �. Where errors232 * invalid characters with the Unicode replacement character `U+FFFD`. Where errors 233 233 * or transformations exist within the HTML5 specification, the Tag Processor leaves 234 234 * those invalid inputs untouched, passing them through to the final browser to handle. … … 388 388 * Example: 389 389 * ```php 390 * 391 * 392 * 393 * 394 * 395 * 396 * 397 * 398 * 399 * 400 * 401 * 402 * 403 * 404 * 405 * 406 * 390 * // supposing the parser is working through this content 391 * // and stops after recognizing the `id` attribute 392 * // <div id="test-4" class=outline title="data:text/plain;base64=asdk3nk1j3fo8"> 393 * // ^ parsing will continue from this point 394 * $this->attributes = array( 395 * 'id' => new WP_HTML_Attribute_Match( 'id', null, 6, 17 ) 396 * ); 397 * 398 * // when picking up parsing again, or when asking to find the 399 * // `class` attribute we will continue and add to this array 400 * $this->attributes = array( 401 * 'id' => new WP_HTML_Attribute_Match( 'id', null, 6, 17 ), 402 * 'class' => new WP_HTML_Attribute_Match( 'class', 'outline', 18, 32 ) 403 * ); 404 * 405 * // Note that only the `class` attribute value is stored in the index. 406 * // That's because it is the only value used by this class at the moment. 407 407 * ``` 408 408 * … … 425 425 * Example: 426 426 * ```php 427 * 428 * 429 * 430 * 431 * 432 * 427 * // Add the `wp-block-group` class, remove the `wp-group` class. 428 * $classname_updates = array( 429 * // Indexed by a comparable class name 430 * 'wp-block-group' => WP_HTML_Tag_Processor::ADD_CLASS, 431 * 'wp-group' => WP_HTML_Tag_Processor::REMOVE_CLASS 432 * ); 433 433 * ``` 434 434 * … … 479 479 * Example: 480 480 * ```php 481 * 482 * 483 * 484 * 485 * 486 * 487 * 488 * 489 * 490 * 481 * // Replace an attribute stored with a new value, indices 482 * // sourced from the lazily-parsed HTML recognizer. 483 * $start = $attributes['src']->start; 484 * $end = $attributes['src']->end; 485 * $modifications[] = new WP_HTML_Text_Replacement( $start, $end, $new_value ); 486 * 487 * // Correspondingly, something like this will appear in this array. 488 * $lexical_updates = array( 489 * WP_HTML_Text_Replacement( 14, 28, 'https://my-site.my-domain/wp-content/uploads/2014/08/kittens.jpg' ) 490 * ); 491 491 * ``` 492 492 * … … 1662 1662 * Example: 1663 1663 * ```php 1664 * 1665 * 1666 * 1667 * 1668 * 1669 * 1670 * 1671 * 1664 * $p = new WP_HTML_Tag_Processor( '<div enabled class="test" data-test-id="14">Test</div>' ); 1665 * $p->next_tag( array( 'class_name' => 'test' ) ) === true; 1666 * $p->get_attribute( 'data-test-id' ) === '14'; 1667 * $p->get_attribute( 'enabled' ) === true; 1668 * $p->get_attribute( 'aria-label' ) === null; 1669 * 1670 * $p->next_tag() === false; 1671 * $p->get_attribute( 'class' ) === null; 1672 1672 * ``` 1673 1673 * … … 1745 1745 * Example: 1746 1746 * ```php 1747 * 1748 * 1749 * 1750 * 1751 * 1752 * 1747 * $p = new WP_HTML_Tag_Processor( '<div data-ENABLED class="test" DATA-test-id="14">Test</div>' ); 1748 * $p->next_tag( array( 'class_name' => 'test' ) ) === true; 1749 * $p->get_attribute_names_with_prefix( 'data-' ) === array( 'data-enabled', 'data-test-id' ); 1750 * 1751 * $p->next_tag() === false; 1752 * $p->get_attribute_names_with_prefix( 'data-' ) === null; 1753 1753 * ``` 1754 1754 * … … 1779 1779 * Example: 1780 1780 * ```php 1781 * 1782 * 1783 * 1784 * 1785 * 1786 * 1781 * $p = new WP_HTML_Tag_Processor( '<DIV CLASS="test">Test</DIV>' ); 1782 * $p->next_tag() === true; 1783 * $p->get_tag() === 'DIV'; 1784 * 1785 * $p->next_tag() === false; 1786 * $p->get_tag() === null; 1787 1787 * ``` 1788 1788 * … … 1831 1831 * Example: 1832 1832 * ```php 1833 * 1834 * 1835 * 1836 * 1837 * 1838 * 1833 * $p = new WP_HTML_Tag_Processor( '<div></div>' ); 1834 * $p->next_tag( array( 'tag_name' => 'div', 'tag_closers' => 'visit' ) ); 1835 * $p->is_tag_closer() === false; 1836 * 1837 * $p->next_tag( array( 'tag_name' => 'div', 'tag_closers' => 'visit' ) ); 1838 * $p->is_tag_closer() === true; 1839 1839 * ``` 1840 1840 *
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