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Completed
Push — master ( 265e68...8077c8 )
by Der Mundschenk
10s
created

Settings::set_hyphenation()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 2
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 0
Metric Value
dl 0
loc 2
rs 10
c 0
b 0
f 0
ccs 2
cts 2
cp 1
cc 1
eloc 1
nc 1
nop 1
crap 1
1
<?php
2
/**
3
 *  This file is part of PHP-Typography.
4
 *
5
 *  Copyright 2014-2017 Peter Putzer.
6
 *  Copyright 2009-2011 KINGdesk, LLC.
7
 *
8
 *  This program is free software; you can redistribute it and/or modify
9
 *  it under the terms of the GNU General Public License as published by
10
 *  the Free Software Foundation; either version 2 of the License, or
11
 *  (at your option) any later version.
12
 *
13
 *  This program is distributed in the hope that it will be useful,
14
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
 *  GNU General Public License for more details.
17
 *
18
 *  You should have received a copy of the GNU General Public License along
19
 *  with this program; if not, write to the Free Software Foundation, Inc.,
20
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21
 *
22
 *  ***
23
 *
24
 *  @package mundschenk-at/php-typography
25
 *  @license http://www.gnu.org/licenses/gpl-2.0.html
26
 */
27
28
namespace PHP_Typography;
29
30
use PHP_Typography\Settings\Dash_Style;
31
use PHP_Typography\Settings\Quote_Style;
32
use PHP_Typography\Settings\Quotes;
33
34
/**
35
 * Store settings for the PHP_Typography class.
36
 *
37
 * @author Peter Putzer <[email protected]>
38
 *
39
 * @since 4.0.0
40
 */
41
class Settings implements \ArrayAccess, \JsonSerializable {
42
43
	/**
44
	 * The current no-break narrow space character.
45
	 *
46
	 * @var string
47
	 */
48
	protected $no_break_narrow_space;
49
50
	/**
51
	 * Primary quote style.
52
	 *
53
	 * @var Quotes
54
	 */
55
	protected $primary_quote_style;
56
57
	/**
58
	 * Secondary quote style.
59
	 *
60
	 * @var Quotes
61
	 */
62
	protected $secondary_quote_style;
63
64
	/**
65
	 * A regex pattern for custom units (or the empty string).
66
	 *
67
	 * @var string
68
	 */
69
	protected $custom_units = '';
70
71
	/**
72
	 * A hashmap of settings for the various typographic options.
73
	 *
74
	 * @var array
75
	 */
76
	protected $data = [];
77
78
	/**
79
	 * The current dash style.
80
	 *
81
	 * @var Settings\Dashes
82
	 */
83
	protected $dash_style;
84
85
	/**
86
	 * Sets up a new Settings object.
87
	 *
88
	 * @since 6.0.0 If $set_defaults is `false`, the settings object is not fully
89
	 *              initialized unless `set_smart_quotes_primary`,
90
	 *              `set_smart_quotes_secondary`, `set_smart_dashes_style` and
91
	 *              `set_true_no_break_narrow_space` are called explicitly.
92
	 *
93
	 * @param bool $set_defaults If true, set default values for various properties. Defaults to true.
94
	 */
95 1
	public function __construct( $set_defaults = true ) {
96 1
		if ( $set_defaults ) {
97 1
			$this->set_defaults();
98
		}
99 1
	}
100
101
	/**
102
	 * Provides access to named settings (object syntax).
103
	 *
104
	 * @param string $key The settings key.
105
	 *
106
	 * @return mixed
107
	 */
108 1
	public function &__get( $key ) {
109 1
		return $this->data[ $key ];
110
	}
111
112
	/**
113
	 * Changes a named setting (object syntax).
114
	 *
115
	 * @param string $key   The settings key.
116
	 * @param mixed  $value The settings value.
117
	 */
118 1
	public function __set( $key, $value ) {
119 1
		$this->data[ $key ] = $value;
120 1
	}
121
122
	/**
123
	 * Checks if a named setting exists (object syntax).
124
	 *
125
	 * @param string $key The settings key.
126
	 */
127 1
	public function __isset( $key ) {
128 1
		return isset( $this->data[ $key ] );
129
	}
130
131
	/**
132
	 * Unsets a named setting.
133
	 *
134
	 * @param string $key The settings key.
135
	 */
136 1
	public function __unset( $key ) {
137 1
		unset( $this->data[ $key ] );
138 1
	}
139
140
	/**
141
	 * Changes a named setting (array syntax).
142
	 *
143
	 * @param string $offset The settings key.
144
	 * @param mixed  $value  The settings value.
145
	 */
146 1
	public function offsetSet( $offset, $value ) {
147 1
		if ( ! empty( $offset ) ) {
148 1
			$this->data[ $offset ] = $value;
149
		}
150 1
	}
151
152
	/**
153
	 * Checks if a named setting exists (array syntax).
154
	 *
155
	 * @param string $offset The settings key.
156
	 */
157 1
	public function offsetExists( $offset ) {
158 1
		return isset( $this->data[ $offset ] );
159
	}
160
161
	/**
162
	 * Unsets a named setting (array syntax).
163
	 *
164
	 * @param string $offset The settings key.
165
	 */
166 1
	public function offsetUnset( $offset ) {
167 1
		unset( $this->data[ $offset ] );
168 1
	}
169
170
	/**
171
	 * Provides access to named settings (array syntax).
172
	 *
173
	 * @param string $offset The settings key.
174
	 *
175
	 * @return mixed
176
	 */
177 1
	public function offsetGet( $offset ) {
178 1
		return isset( $this->data[ $offset ] ) ? $this->data[ $offset ] : null;
179
	}
180
181
	/**
182
	 * Provides a JSON serialization of the settings.
183
	 *
184
	 * @return mixed
185
	 */
186 1
	public function jsonSerialize() {
187 1
		return \array_merge(
188 1
			$this->data,
189
			[
190 1
				'no_break_narrow_space' => $this->no_break_narrow_space,
191 1
				'primary_quotes'        => "{$this->primary_quote_style->open()}|{$this->primary_quote_style->close()}",
192 1
				'secondary_quotes'      => "{$this->secondary_quote_style->open()}|{$this->secondary_quote_style->close()}",
193 1
				'dash_style'            => "{$this->dash_style->interval_dash()}|{$this->dash_style->interval_space()}|{$this->dash_style->parenthetical_dash()}|{$this->dash_style->parenthetical_space()}",
194 1
				'custom_units'          => $this->custom_units,
195
			]
196
		);
197
	}
198
199
	/**
200
	 * Retrieves the current non-breaking narrow space character (either the
201
	 * regular non-breaking space &nbsp; or the the true non-breaking narrow space &#8239;).
202
	 *
203
	 * @return string
204
	 */
205 1
	public function no_break_narrow_space() {
206 1
		return $this->no_break_narrow_space;
207
	}
208
209
	/**
210
	 * Retrieves the primary (double) quote style.
211
	 *
212
	 * @return Quotes
213
	 */
214 1
	public function primary_quote_style() {
215 1
		return $this->primary_quote_style;
216
	}
217
218
	/**
219
	 * Retrieves the secondary (single) quote style.
220
	 *
221
	 * @return Quotes
222
	 */
223 1
	public function secondary_quote_style() {
224 1
		return $this->secondary_quote_style;
225
	}
226
227
	/**
228
	 * Retrieves the dash style.
229
	 *
230
	 * @return Settings\Dashes
231
	 */
232 1
	public function dash_style() {
233 1
		return $this->dash_style;
234
	}
235
236
	/**
237
	 * Retrieves the custom units pattern.
238
	 *
239
	 * @return string The pattern is suitable for inclusion into a regular expression.
240
	 */
241 1
	public function custom_units() {
242 1
		return $this->custom_units;
243
	}
244
245
	/**
246
	 * (Re)set various options to their default values.
247
	 */
248 1
	public function set_defaults() {
249
		// General attributes.
250 1
		$this->set_tags_to_ignore();
251 1
		$this->set_classes_to_ignore();
252 1
		$this->set_ids_to_ignore();
253
254
		// Smart characters.
255 1
		$this->set_smart_quotes();
256 1
		$this->set_smart_quotes_primary();
257 1
		$this->set_smart_quotes_secondary();
258 1
		$this->set_smart_quotes_exceptions();
259 1
		$this->set_smart_dashes();
260 1
		$this->set_smart_dashes_style();
261 1
		$this->set_smart_ellipses();
262 1
		$this->set_smart_diacritics();
263 1
		$this->set_diacritic_language();
264 1
		$this->set_diacritic_custom_replacements();
265 1
		$this->set_smart_marks();
266 1
		$this->set_smart_ordinal_suffix();
267 1
		$this->set_smart_math();
268 1
		$this->set_smart_fractions();
269 1
		$this->set_smart_exponents();
270
271
		// Smart spacing.
272 1
		$this->set_single_character_word_spacing();
273 1
		$this->set_fraction_spacing();
274 1
		$this->set_unit_spacing();
275 1
		$this->set_french_punctuation_spacing();
276 1
		$this->set_units();
277 1
		$this->set_dash_spacing();
278 1
		$this->set_dewidow();
279 1
		$this->set_max_dewidow_length();
280 1
		$this->set_max_dewidow_pull();
281 1
		$this->set_dewidow_word_number();
282 1
		$this->set_wrap_hard_hyphens();
283 1
		$this->set_url_wrap();
284 1
		$this->set_email_wrap();
285 1
		$this->set_min_after_url_wrap();
286 1
		$this->set_space_collapse();
287 1
		$this->set_true_no_break_narrow_space();
288
289
		// Character styling.
290 1
		$this->set_style_ampersands();
291 1
		$this->set_style_caps();
292 1
		$this->set_style_initial_quotes();
293 1
		$this->set_style_numbers();
294 1
		$this->set_style_hanging_punctuation();
295 1
		$this->set_initial_quote_tags();
296
297
		// Hyphenation.
298 1
		$this->set_hyphenation();
299 1
		$this->set_hyphenation_language();
300 1
		$this->set_min_length_hyphenation();
301 1
		$this->set_min_before_hyphenation();
302 1
		$this->set_min_after_hyphenation();
303 1
		$this->set_hyphenate_headings();
304 1
		$this->set_hyphenate_all_caps();
305 1
		$this->set_hyphenate_title_case();
306 1
		$this->set_hyphenate_compounds();
307 1
		$this->set_hyphenation_exceptions();
308
309
		// Parser error handling.
310 1
		$this->set_ignore_parser_errors();
311 1
	}
312
313
	/**
314
	 * Enable lenient parser error handling (HTML is "best guess" if enabled).
315
	 *
316
	 * @param bool $on Optional. Default false.
317
	 */
318 1
	public function set_ignore_parser_errors( $on = false ) {
319 1
		$this->data['parserErrorsIgnore'] = $on;
320 1
	}
321
322
	/**
323
	 * Sets an optional handler for parser errors. Invalid callbacks will be silently ignored.
324
	 *
325
	 * @since 6.0.0. callable type is enforced via typehinting.
326
	 *
327
	 * @param callable|null $handler Optional. A callable that takes an array of error strings as its parameter. Default null.
328
	 */
329 2
	public function set_parser_errors_handler( callable $handler = null ) {
330 2
		$this->data['parserErrorsHandler'] = $handler;
331 2
	}
332
333
	/**
334
	 * Enable usage of true "no-break narrow space" (&#8239;) instead of the normal no-break space (&nbsp;).
335
	 *
336
	 * @param bool $on Optional. Default false.
337
	 */
338 1
	public function set_true_no_break_narrow_space( $on = false ) {
339
340 1
		if ( $on ) {
341 1
			$this->no_break_narrow_space = U::NO_BREAK_NARROW_SPACE;
342
		} else {
343 1
			$this->no_break_narrow_space = U::NO_BREAK_SPACE;
344
		}
345 1
	}
346
347
	/**
348
	 * Sets tags for which the typography of their children will be left untouched.
349
	 *
350
	 * @param string|array $tags A comma separated list or an array of tag names.
351
	 */
352 1
	public function set_tags_to_ignore( $tags = [ 'code', 'head', 'kbd', 'object', 'option', 'pre', 'samp', 'script', 'noscript', 'noembed', 'select', 'style', 'textarea', 'title', 'var', 'math' ] ) {
353
		// Ensure that we pass only lower-case tag names to XPath.
354 1
		$tags = array_filter( array_map( 'strtolower', Strings::maybe_split_parameters( $tags ) ), 'ctype_alnum' );
355
356 1
		$this->data['ignoreTags'] = array_unique( array_merge( $tags, array_flip( DOM::inappropriate_tags() ) ) );
357 1
	}
358
359
	/**
360
	 * Sets classes for which the typography of their children will be left untouched.
361
	 *
362
	 * @param string|array $classes A comma separated list or an array of class names.
363
	 */
364 1
	public function set_classes_to_ignore( $classes = [ 'vcard', 'noTypo' ] ) {
365 1
		$this->data['ignoreClasses'] = Strings::maybe_split_parameters( $classes );
366 1
	}
367
368
	/**
369
	 * Sets IDs for which the typography of their children will be left untouched.
370
	 *
371
	 * @param string|array $ids A comma separated list or an array of tag names.
372
	 */
373 1
	public function set_ids_to_ignore( $ids = [] ) {
374 1
		$this->data['ignoreIDs'] = Strings::maybe_split_parameters( $ids );
375 1
	}
376
377
	/**
378
	 * Enables/disables typographic quotes.
379
	 *
380
	 * @param bool $on Optional. Default true.
381
	 */
382 1
	public function set_smart_quotes( $on = true ) {
383 1
		$this->data['smartQuotes'] = $on;
384 1
	}
385
386
	/**
387
	 * Sets the style for primary ('double') quotemarks.
388
	 *
389
	 * Allowed values for $style:
390
	 * "doubleCurled" => "&ldquo;foo&rdquo;",
391
	 * "doubleCurledReversed" => "&rdquo;foo&rdquo;",
392
	 * "doubleLow9" => "&bdquo;foo&rdquo;",
393
	 * "doubleLow9Reversed" => "&bdquo;foo&ldquo;",
394
	 * "singleCurled" => "&lsquo;foo&rsquo;",
395
	 * "singleCurledReversed" => "&rsquo;foo&rsquo;",
396
	 * "singleLow9" => "&sbquo;foo&rsquo;",
397
	 * "singleLow9Reversed" => "&sbquo;foo&lsquo;",
398
	 * "doubleGuillemetsFrench" => "&laquo;&nbsp;foo&nbsp;&raquo;",
399
	 * "doubleGuillemets" => "&laquo;foo&raquo;",
400
	 * "doubleGuillemetsReversed" => "&raquo;foo&laquo;",
401
	 * "singleGuillemets" => "&lsaquo;foo&rsaquo;",
402
	 * "singleGuillemetsReversed" => "&rsaquo;foo&lsaquo;",
403
	 * "cornerBrackets" => "&#x300c;foo&#x300d;",
404
	 * "whiteCornerBracket" => "&#x300e;foo&#x300f;"
405
	 *
406
	 * @param  Quotes|string $style Optional. A Quotes instance or a quote style constant. Defaults to 'doubleCurled'.
407
	 *
408
	 * @throws \DomainException Thrown if $style constant is invalid.
409
	 */
410 3
	public function set_smart_quotes_primary( $style = Quote_Style::DOUBLE_CURLED ) {
411 3
		$this->primary_quote_style = $this->get_quote_style( $style );
412 2
	}
413
414
	/**
415
	 * Sets the style for secondary ('single') quotemarks.
416
	 *
417
	 * Allowed values for $style:
418
	 * "doubleCurled" => "&ldquo;foo&rdquo;",
419
	 * "doubleCurledReversed" => "&rdquo;foo&rdquo;",
420
	 * "doubleLow9" => "&bdquo;foo&rdquo;",
421
	 * "doubleLow9Reversed" => "&bdquo;foo&ldquo;",
422
	 * "singleCurled" => "&lsquo;foo&rsquo;",
423
	 * "singleCurledReversed" => "&rsquo;foo&rsquo;",
424
	 * "singleLow9" => "&sbquo;foo&rsquo;",
425
	 * "singleLow9Reversed" => "&sbquo;foo&lsquo;",
426
	 * "doubleGuillemetsFrench" => "&laquo;&nbsp;foo&nbsp;&raquo;",
427
	 * "doubleGuillemets" => "&laquo;foo&raquo;",
428
	 * "doubleGuillemetsReversed" => "&raquo;foo&laquo;",
429
	 * "singleGuillemets" => "&lsaquo;foo&rsaquo;",
430
	 * "singleGuillemetsReversed" => "&rsaquo;foo&lsaquo;",
431
	 * "cornerBrackets" => "&#x300c;foo&#x300d;",
432
	 * "whiteCornerBracket" => "&#x300e;foo&#x300f;"
433
	 *
434
	 * @param  Quotes|string $style Optional. A Quotes instance or a quote style constant. Defaults to 'singleCurled'.
435
	 *
436
	 * @throws \DomainException Thrown if $style constant is invalid.
437
	 */
438 3
	public function set_smart_quotes_secondary( $style = Quote_Style::SINGLE_CURLED ) {
439 3
		$this->secondary_quote_style = $this->get_quote_style( $style );
440 2
	}
441
442
	/**
443
	 * Retrieves a Quotes instance from a given style.
444
	 *
445
	 * @param  Quotes|string $style A Quotes instance or a quote style constant.
446
	 *
447
	 * @throws \DomainException Thrown if $style constant is invalid.
448
	 *
449
	 * @return Quotes
450
	 */
451 6
	protected function get_quote_style( $style ) {
452 6
		return $this->get_style( $style, Quotes::class, [ Quote_Style::class, 'get_styled_quotes' ], 'quote' );
453
	}
454
455
	/**
456
	 * Sets the list of exceptional words for smart quotes replacement. Mainly,
457
	 * this is used for contractions beginning with an apostrophe.
458
	 *
459
	 * @param string[] $exceptions Optional. An array of replacements indexed by the ”non-smart" form.
460
	 *                             Default a list of English words beginning with an apostrophy.
461
	 */
462 1
	public function set_smart_quotes_exceptions( $exceptions = [
463
		"'tain't"   => U::APOSTROPHE . 'tain' . U::APOSTROPHE . 't',
464
		"'twere"    => U::APOSTROPHE . 'twere',
465
		"'twas"     => U::APOSTROPHE . 'twas',
466
		"'tis"      => U::APOSTROPHE . 'tis',
467
		"'til"      => U::APOSTROPHE . 'til',
468
		"'bout"     => U::APOSTROPHE . 'bout',
469
		"'nuff"     => U::APOSTROPHE . 'nuff',
470
		"'round"    => U::APOSTROPHE . 'round',
471
		"'cause"    => U::APOSTROPHE . 'cause',
472
		"'splainin" => U::APOSTROPHE . 'splainin',
473
		"'em'"      => U::APOSTROPHE . 'em',
474
	] ) {
475 1
		$this->data['smartQuotesExceptions'] = [
476 1
			'patterns'     => \array_keys( $exceptions ),
477 1
			'replacements' => \array_values( $exceptions ),
478
		];
479 1
	}
480
481
	/**
482
	 * Retrieves an object from a given style.
483
	 *
484
	 * @param  object|string $style          A style object instance or a style constant.
485
	 * @param  string        $expected_class A class name.
486
	 * @param  callable      $get_style      A function that returns a style object from a given style constant.
487
	 * @param  string        $description    Style description for the exception message.
488
	 *
489
	 * @throws \DomainException Thrown if $style constant is invalid.
490
	 *
491
	 * @return object An instance of $expected_class.
492
	 */
493 9
	protected function get_style( $style, $expected_class, callable $get_style, $description ) {
494 9
		if ( $style instanceof $expected_class ) {
495 3
			$object = $style;
496
		} else {
497 6
			$object = $get_style( $style, $this );
498
		}
499
500 9
		if ( ! \is_object( $object ) || ! $object instanceof $expected_class ) {
501 3
			throw new \DomainException( "Invalid $description style $style." );
502
		}
503
504 6
		return $object;
505
	}
506
507
	/**
508
	 * Enables/disables replacement of "a--a" with En Dash " -- " and "---" with Em Dash.
509
	 *
510
	 * @param bool $on Optional. Default true.
511
	 */
512 1
	public function set_smart_dashes( $on = true ) {
513 1
		$this->data['smartDashes'] = $on;
514 1
	}
515
516
	/**
517
	 * Sets the typographical conventions used by smart_dashes.
518
	 *
519
	 * Allowed values for $style:
520
	 * - "traditionalUS"
521
	 * - "international"
522
	 *
523
	 * @param string|Settings\Dashes $style Optional. Default Dash_Style::TRADITIONAL_US.
524
	 *
525
	 * @throws \DomainException Thrown if $style constant is invalid.
526
	 */
527 3
	public function set_smart_dashes_style( $style = Dash_Style::TRADITIONAL_US ) {
528 3
		$this->dash_style = $this->get_style( $style, Settings\Dashes::class, [ Dash_Style::class, 'get_styled_dashes' ], 'dash' );
529 2
	}
530
531
	/**
532
	 * Enables/disables replacement of "..." with "…".
533
	 *
534
	 * @param bool $on Optional. Default true.
535
	 */
536 1
	public function set_smart_ellipses( $on = true ) {
537 1
		$this->data['smartEllipses'] = $on;
538 1
	}
539
540
	/**
541
	 * Enables/disables replacement "creme brulee" with "crème brûlée".
542
	 *
543
	 * @param bool $on Optional. Default true.
544
	 */
545 1
	public function set_smart_diacritics( $on = true ) {
546 1
		$this->data['smartDiacritics'] = $on;
547 1
	}
548
549
	/**
550
	 * Sets the language used for diacritics replacements.
551
	 *
552
	 * @param string $lang Has to correspond to a filename in 'diacritics'. Optional. Default 'en-US'.
553
	 */
554 1
	public function set_diacritic_language( $lang = 'en-US' ) {
555 1
		if ( isset( $this->data['diacriticLanguage'] ) && $this->data['diacriticLanguage'] === $lang ) {
556 1
			return;
557
		}
558
559 1
		$this->data['diacriticLanguage'] = $lang;
560 1
		$language_file_name              = \dirname( __FILE__ ) . '/diacritics/' . $lang . '.json';
561
562 1
		if ( \file_exists( $language_file_name ) ) {
563 1
			$diacritics_file              = \json_decode( \file_get_contents( $language_file_name ), true );
564 1
			$this->data['diacriticWords'] = $diacritics_file['diacritic_words'];
565
		} else {
566 1
			unset( $this->data['diacriticWords'] );
567
		}
568
569 1
		$this->update_diacritics_replacement_arrays();
570 1
	}
571
572
	/**
573
	 * Sets up custom diacritics replacements.
574
	 *
575
	 * @param string|array $custom_replacements An array formatted [needle=>replacement, needle=>replacement...],
576
	 *                                          or a string formatted `"needle"=>"replacement","needle"=>"replacement",...
577
	 */
578 5
	public function set_diacritic_custom_replacements( $custom_replacements = [] ) {
579 5
		if ( ! \is_array( $custom_replacements ) ) {
580 2
			$custom_replacements = $this->parse_diacritics_replacement_string( $custom_replacements );
581
		}
582
583
		$this->data['diacriticCustomReplacements'] = self::array_map_assoc( function( $key, $replacement ) {
584 5
			$key         = \strip_tags( \trim( $key ) );
585 5
			$replacement = \strip_tags( \trim( $replacement ) );
586
587 5
			if ( ! empty( $key ) && ! empty( $replacement ) ) {
588 3
				return [ $key => $replacement ];
589
			} else {
590 2
				return [];
591
			}
592 5
		}, $custom_replacements );
593
594 5
		$this->update_diacritics_replacement_arrays();
595 5
	}
596
597
	/**
598
	 * Parses a custom diacritics replacement string into an array.
599
	 *
600
	 * @param string $custom_replacements A string formatted `"needle"=>"replacement","needle"=>"replacement",...
601
	 *
602
	 * @return array
603
	 */
604 2
	private function parse_diacritics_replacement_string( $custom_replacements ) {
605
		return self::array_map_assoc( function( $key, $replacement ) {
606
			// Account for single and double quotes in keys ...
607 2
			if ( \preg_match( '/("|\')((?:(?!\1).)+)(?:\1\s*=>)/', $replacement, $match ) ) {
608 2
				$key = $match[2];
609
			}
610
611
			// ... and values.
612 2
			if ( \preg_match( '/(?:=>\s*("|\'))((?:(?!\1).)+)(?:\1)/', $replacement, $match ) ) {
613 2
				$replacement = $match[2];
614
			}
615
616 2
			return [ $key => $replacement ];
617 2
		}, /** RE correct. @scrutinizer ignore-type */ \preg_split( '/,/', $custom_replacements, -1, PREG_SPLIT_NO_EMPTY ) );
618
	}
619
620
	/**
621
	 * Provides an array_map implementation with control over resulting array's keys.
622
	 *
623
	 * Based on https://gist.github.com/jasand-pereza/84ecec7907f003564584.
624
	 *
625
	 * @since 6.0.0
626
	 *
627
	 * @param  callable $callback A callback function that needs to return [ $key => $value ] pairs.
628
	 * @param  array    $array    The array.
629
	 *
630
	 * @return array
631
	 */
632 2
	protected static function array_map_assoc( callable $callback, array $array ) {
633 2
		$new = [];
634
635 2
		foreach ( $array as $k => $v ) {
636 2
			$u = $callback( $k, $v );
637
638 2
			if ( ! empty( $u ) ) {
639 2
				$new[ \key( $u ) ] = \current( $u );
640
			}
641
		}
642
643 2
		return $new;
644
	}
645
646
	/**
647
	 * Update the pattern and replacement arrays in $settings['diacriticReplacement'].
648
	 *
649
	 * Should be called whenever a new diacritics replacement language is selected or
650
	 * when the custom replacements are updated.
651
	 */
652 6
	private function update_diacritics_replacement_arrays() {
653 6
		$patterns     = [];
654 6
		$replacements = [];
655
656 6
		if ( ! empty( $this->data['diacriticCustomReplacements'] ) ) {
657 3
			$this->parse_diacritics_rules( $this->data['diacriticCustomReplacements'], $patterns, $replacements );
658
		}
659 6
		if ( ! empty( $this->data['diacriticWords'] ) ) {
660 1
			$this->parse_diacritics_rules( $this->data['diacriticWords'], $patterns, $replacements );
661
		}
662
663 6
		$this->data['diacriticReplacement'] = [
664 6
			'patterns'     => $patterns,
665 6
			'replacements' => $replacements,
666
		];
667 6
	}
668
669
	/**
670
	 * Parse an array of diacritics rules.
671
	 *
672
	 * @param array $diacritics_rules The rules ( $word => $replacement ).
673
	 * @param array $patterns         Resulting patterns. Passed by reference.
674
	 * @param array $replacements     Resulting replacements. Passed by reference.
675
	 */
676 4
	private function parse_diacritics_rules( array $diacritics_rules, array &$patterns, array &$replacements ) {
677
678 4
		foreach ( $diacritics_rules as $needle => $replacement ) {
679 4
			$patterns[]              = '/\b(?<!\w[' . U::NO_BREAK_SPACE . U::SOFT_HYPHEN . '])' . $needle . '\b(?![' . U::NO_BREAK_SPACE . U::SOFT_HYPHEN . ']\w)/u';
680 4
			$replacements[ $needle ] = $replacement;
681
		}
682 4
	}
683
684
	/**
685
	 * Enables/disables replacement of (r) (c) (tm) (sm) (p) (R) (C) (TM) (SM) (P) with ® © ™ ℠ ℗.
686
	 *
687
	 * @param bool $on Optional. Default true.
688
	 */
689 1
	public function set_smart_marks( $on = true ) {
690 1
		$this->data['smartMarks'] = $on;
691 1
	}
692
693
	/**
694
	 * Enables/disables proper mathematical symbols.
695
	 *
696
	 * @param bool $on Optional. Default true.
697
	 */
698 1
	public function set_smart_math( $on = true ) {
699 1
		$this->data['smartMath'] = $on;
700 1
	}
701
702
	/**
703
	 * Enables/disables replacement of 2^2 with 2<sup>2</sup>
704
	 *
705
	 * @param bool $on Optional. Default true.
706
	 */
707 1
	public function set_smart_exponents( $on = true ) {
708 1
		$this->data['smartExponents'] = $on;
709 1
	}
710
711
	/**
712
	 * Enables/disables replacement of 1/4 with <sup>1</sup>&#8260;<sub>4</sub>.
713
	 *
714
	 * @param bool $on Optional. Default true.
715
	 */
716 1
	public function set_smart_fractions( $on = true ) {
717 1
		$this->data['smartFractions'] = $on;
718 1
	}
719
720
	/**
721
	 * Enables/disables replacement of 1st with 1<sup>st</sup>.
722
	 *
723
	 * @param bool $on Optional. Default true.
724
	 */
725 1
	public function set_smart_ordinal_suffix( $on = true ) {
726 1
		$this->data['smartOrdinalSuffix'] = $on;
727 1
	}
728
729
	/**
730
	 * Enables/disables forcing single character words to next line with the insertion of &nbsp;.
731
	 *
732
	 * @param bool $on Optional. Default true.
733
	 */
734 1
	public function set_single_character_word_spacing( $on = true ) {
735 1
		$this->data['singleCharacterWordSpacing'] = $on;
736 1
	}
737
738
	/**
739
	 * Enables/disables fraction spacing.
740
	 *
741
	 * @param bool $on Optional. Default true.
742
	 */
743 1
	public function set_fraction_spacing( $on = true ) {
744 1
		$this->data['fractionSpacing'] = $on;
745 1
	}
746
747
	/**
748
	 * Enables/disables keeping units and values together with the insertion of &nbsp;.
749
	 *
750
	 * @param bool $on Optional. Default true.
751
	 */
752 1
	public function set_unit_spacing( $on = true ) {
753 1
		$this->data['unitSpacing'] = $on;
754 1
	}
755
756
	/**
757
	 * Enables/disables numbered abbreviations like "ISO 9000" together with the insertion of &nbsp;.
758
	 *
759
	 * @param bool $on Optional. Default true.
760
	 */
761 1
	public function set_numbered_abbreviation_spacing( $on = true ) {
762 1
		$this->data['numberedAbbreviationSpacing'] = $on;
763 1
	}
764
765
	/**
766
	 * Enables/disables extra whitespace before certain punction marks, as is the French custom.
767
	 *
768
	 * @since 6.0.0 The default value is now `false`.`
769
	 *
770
	 * @param bool $on Optional. Default false.
771
	 */
772 1
	public function set_french_punctuation_spacing( $on = false ) {
773 1
		$this->data['frenchPunctuationSpacing'] = $on;
774 1
	}
775
776
	/**
777
	 * Sets the list of units to keep together with their values.
778
	 *
779
	 * @param string|array $units A comma separated list or an array of units.
780
	 */
781 1
	public function set_units( $units = [] ) {
782 1
		$this->data['units'] = Strings::maybe_split_parameters( $units );
783 1
		$this->update_unit_pattern( $this->data['units'] );
784 1
	}
785
786
	/**
787
	 * Update components and pattern for matching both standard and custom units.
788
	 *
789
	 * @param array $units An array of unit names.
790
	 */
791 1
	private function update_unit_pattern( array $units ) {
792
		// Update components & regex pattern.
793 1
		foreach ( $units as $index => $unit ) {
794
			// Escape special chars.
795 1
			$units[ $index ] = \preg_replace( '#([\[\\\^\$\.\|\?\*\+\(\)\{\}])#', '\\\\$1', $unit );
796
		}
797 1
		$this->custom_units  = \implode( '|', $units );
798 1
		$this->custom_units .= ( $this->custom_units ) ? '|' : '';
799 1
	}
800
801
	/**
802
	 * Enables/disables wrapping of Em and En dashes are in thin spaces.
803
	 *
804
	 * @param bool $on Optional. Default true.
805
	 */
806 1
	public function set_dash_spacing( $on = true ) {
807 1
		$this->data['dashSpacing'] = $on;
808 1
	}
809
810
	/**
811
	 * Enables/disables removal of extra whitespace characters.
812
	 *
813
	 * @param bool $on Optional. Default true.
814
	 */
815 1
	public function set_space_collapse( $on = true ) {
816 1
		$this->data['spaceCollapse'] = $on;
817 1
	}
818
819
	/**
820
	 * Enables/disables widow handling.
821
	 *
822
	 * @param bool $on Optional. Default true.
823
	 */
824 1
	public function set_dewidow( $on = true ) {
825 1
		$this->data['dewidow'] = $on;
826 1
	}
827
828
	/**
829
	 * Sets the maximum length of widows that will be protected.
830
	 *
831
	 * @param int $length Defaults to 5. Trying to set the value to less than 2 resets the length to the default.
832
	 */
833 1
	public function set_max_dewidow_length( $length = 5 ) {
834 1
		$length = ( $length > 1 ) ? $length : 5;
835
836 1
		$this->data['dewidowMaxLength'] = $length;
837 1
	}
838
839
	/**
840
	 * Sets the maximum number of words considered for dewidowing.
841
	 *
842
	 * @param int $number Defaults to 1. Only 1, 2 and 3 are valid.
843
	 */
844 1
	public function set_dewidow_word_number( $number = 1 ) {
845 1
		$number = ( $number > 3 || $number < 1 ) ? 1 : $number;
846
847 1
		$this->data['dewidowWordNumber'] = $number;
848 1
	}
849
850
	/**
851
	 * Sets the maximum length of pulled text to keep widows company.
852
	 *
853
	 * @param int $length Defaults to 5. Trying to set the value to less than 2 resets the length to the default.
854
	 */
855 1
	public function set_max_dewidow_pull( $length = 5 ) {
856 1
		$length = ( $length > 1 ) ? $length : 5;
857
858 1
		$this->data['dewidowMaxPull'] = $length;
859 1
	}
860
861
	/**
862
	 * Enables/disables wrapping at internal hard hyphens with the insertion of a zero-width-space.
863
	 *
864
	 * @param bool $on Optional. Default true.
865
	 */
866 1
	public function set_wrap_hard_hyphens( $on = true ) {
867 1
		$this->data['hyphenHardWrap'] = $on;
868 1
	}
869
870
	/**
871
	 * Enables/disables wrapping of urls.
872
	 *
873
	 * @param bool $on Optional. Default true.
874
	 */
875 1
	public function set_url_wrap( $on = true ) {
876 1
		$this->data['urlWrap'] = $on;
877 1
	}
878
879
	/**
880
	 * Enables/disables wrapping of email addresses.
881
	 *
882
	 * @param bool $on Optional. Default true.
883
	 */
884 1
	public function set_email_wrap( $on = true ) {
885 1
		$this->data['emailWrap'] = $on;
886 1
	}
887
888
	/**
889
	 * Sets the minimum character requirement after an URL wrapping point.
890
	 *
891
	 * @param int $length Defaults to 5. Trying to set the value to less than 1 resets the length to the default.
892
	 */
893 1
	public function set_min_after_url_wrap( $length = 5 ) {
894 1
		$length = ( $length > 0 ) ? $length : 5;
895
896 1
		$this->data['urlMinAfterWrap'] = $length;
897 1
	}
898
899
	/**
900
	 * Enables/disables wrapping of ampersands in <span class="amp">.
901
	 *
902
	 * @param bool $on Optional. Default true.
903
	 */
904 1
	public function set_style_ampersands( $on = true ) {
905 1
		$this->data['styleAmpersands'] = $on;
906 1
	}
907
908
	/**
909
	 * Enables/disables wrapping caps in <span class="caps">.
910
	 *
911
	 * @param bool $on Optional. Default true.
912
	 */
913 1
	public function set_style_caps( $on = true ) {
914 1
		$this->data['styleCaps'] = $on;
915 1
	}
916
917
	/**
918
	 * Enables/disables wrapping of initial quotes in <span class="quo"> or <span class="dquo">.
919
	 *
920
	 * @param bool $on Optional. Default true.
921
	 */
922 1
	public function set_style_initial_quotes( $on = true ) {
923 1
		$this->data['styleInitialQuotes'] = $on;
924 1
	}
925
926
	/**
927
	 * Enables/disables wrapping of numbers in <span class="numbers">.
928
	 *
929
	 * @param bool $on Optional. Default true.
930
	 */
931 1
	public function set_style_numbers( $on = true ) {
932 1
		$this->data['styleNumbers'] = $on;
933 1
	}
934
935
	/**
936
	 * Enables/disables wrapping of punctiation and wide characters in <span class="pull-*">.
937
	 *
938
	 * @param bool $on Optional. Default true.
939
	 */
940 1
	public function set_style_hanging_punctuation( $on = true ) {
941 1
		$this->data['styleHangingPunctuation'] = $on;
942 1
	}
943
944
	/**
945
	 * Sets the list of tags where initial quotes and guillemets should be styled.
946
	 *
947
	 * @param string|array $tags A comma separated list or an array of tag names.
948
	 */
949 1
	public function set_initial_quote_tags( $tags = [ 'p', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'blockquote', 'li', 'dd', 'dt' ] ) {
950
		// Make array if handed a list of tags as a string.
951 1
		if ( ! \is_array( $tags ) ) {
952 1
			$tags = \preg_split( '/[^a-z0-9]+/', $tags, -1, PREG_SPLIT_NO_EMPTY );
953
		}
954
955
		// Store the tag array inverted (with the tagName as its index for faster lookup).
956 1
		$this->data['initialQuoteTags'] = \array_change_key_case( \array_flip( /** Array. @scrutinizer ignore-type */ $tags ), CASE_LOWER );
957 1
	}
958
959
	/**
960
	 * Enables/disables hyphenation.
961
	 *
962
	 * @param bool $on Optional. Default true.
963
	 */
964 1
	public function set_hyphenation( $on = true ) {
965 1
		$this->data['hyphenation'] = $on;
966 1
	}
967
968
	/**
969
	 * Sets the hyphenation pattern language.
970
	 *
971
	 * @param string $lang Has to correspond to a filename in 'lang'. Optional. Default 'en-US'.
972
	 */
973 8
	public function set_hyphenation_language( $lang = 'en-US' ) {
974 8
		if ( isset( $this->data['hyphenLanguage'] ) && $this->data['hyphenLanguage'] === $lang ) {
975 3
			return; // Bail out, no need to do anything.
976
		}
977
978 8
		$this->data['hyphenLanguage'] = $lang;
979 8
	}
980
981
	/**
982
	 * Sets the minimum length of a word that may be hyphenated.
983
	 *
984
	 * @param int $length Defaults to 5. Trying to set the value to less than 2 resets the length to the default.
985
	 */
986 1
	public function set_min_length_hyphenation( $length = 5 ) {
987 1
		$length = ( $length > 1 ) ? $length : 5;
988
989 1
		$this->data['hyphenMinLength'] = $length;
990 1
	}
991
992
	/**
993
	 * Sets the minimum character requirement before a hyphenation point.
994
	 *
995
	 * @param int $length Defaults to 3. Trying to set the value to less than 1 resets the length to the default.
996
	 */
997 1
	public function set_min_before_hyphenation( $length = 3 ) {
998 1
		$length = ( $length > 0 ) ? $length : 3;
999
1000 1
		$this->data['hyphenMinBefore'] = $length;
1001 1
	}
1002
1003
	/**
1004
	 * Sets the minimum character requirement after a hyphenation point.
1005
	 *
1006
	 * @param int $length Defaults to 2. Trying to set the value to less than 1 resets the length to the default.
1007
	 */
1008 1
	public function set_min_after_hyphenation( $length = 2 ) {
1009 1
		$length = ( $length > 0 ) ? $length : 2;
1010
1011 1
		$this->data['hyphenMinAfter'] = $length;
1012 1
	}
1013
1014
	/**
1015
	 * Enables/disables hyphenation of titles and headings.
1016
	 *
1017
	 * @param bool $on Optional. Default true.
1018
	 */
1019 1
	public function set_hyphenate_headings( $on = true ) {
1020 1
		$this->data['hyphenateTitle'] = $on;
1021 1
	}
1022
1023
	/**
1024
	 * Enables/disables hyphenation of words set completely in capital letters.
1025
	 *
1026
	 * @param bool $on Optional. Default true.
1027
	 */
1028 1
	public function set_hyphenate_all_caps( $on = true ) {
1029 1
		$this->data['hyphenateAllCaps'] = $on;
1030 1
	}
1031
1032
	/**
1033
	 * Enables/disables hyphenation of words starting with a capital letter.
1034
	 *
1035
	 * @param bool $on Optional. Default true.
1036
	 */
1037 1
	public function set_hyphenate_title_case( $on = true ) {
1038 1
		$this->data['hyphenateTitleCase'] = $on;
1039 1
	}
1040
1041
	/**
1042
	 * Enables/disables hyphenation of compound words (e.g. "editor-in-chief").
1043
	 *
1044
	 * @param bool $on Optional. Default true.
1045
	 */
1046 1
	public function set_hyphenate_compounds( $on = true ) {
1047 1
		$this->data['hyphenateCompounds'] = $on;
1048 1
	}
1049
1050
	/**
1051
	 * Sets custom word hyphenations.
1052
	 *
1053
	 * @param string|array $exceptions An array of words with all hyphenation points marked with a hard hyphen (or a string list of such words).
1054
	 *        In the latter case, only alphanumeric characters and hyphens are recognized. The default is empty.
1055
	 */
1056 2
	public function set_hyphenation_exceptions( $exceptions = [] ) {
1057 2
		$this->data['hyphenationCustomExceptions'] = Strings::maybe_split_parameters( $exceptions );
1058 2
	}
1059
1060
	/**
1061
	 * Retrieves a unique hash value for the current settings.
1062
	 *
1063
	 * @since 5.2.0 The new parameter $raw_output has been added.
1064
	 *
1065
	 * @param int  $max_length Optional. The maximum number of bytes returned (0 for unlimited). Default 16.
1066
	 * @param bool $raw_output Optional. Wether to return raw binary data for the hash. Default true.
1067
	 *
1068
	 * @return string A binary hash value for the current settings limited to $max_length.
1069
	 */
1070 1
	public function get_hash( $max_length = 16, $raw_output = true ) {
1071 1
		$hash = \md5( \json_encode( $this ), $raw_output );
1072
1073 1
		if ( $max_length < \strlen( $hash ) && $max_length > 0 ) {
1074 1
			$hash = \substr( $hash, 0, $max_length );
1075
		}
1076
1077 1
		return $hash;
1078
	}
1079
}
1080