| 1 |
<?php |
| 2 |
/** |
| 3 |
* CSSTidy Optimising PHP Class |
| 4 |
* |
| 5 |
* @package TablePress |
| 6 |
* @subpackage CSS |
| 7 |
* @author Florian Schmitz, Brett Zamir, Nikolay Matsievsky, Cedric Morin, Christopher Finke, Mark Scherer, Tobias Bäthge |
| 8 |
* @since 1.0.0 |
| 9 |
*/ |
| 10 |
|
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// Prohibit direct script loading. |
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defined( 'ABSPATH' ) || die( 'No direct script access allowed!' ); |
| 13 |
|
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/** |
| 15 |
* CSSTidy - CSS Parser and Optimiser |
| 16 |
* |
| 17 |
* CSS Optimising Class |
| 18 |
* This class optimises CSS data generated by CSSTidy. |
| 19 |
* |
| 20 |
* Copyright 2005, 2006, 2007 Florian Schmitz |
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* |
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* This file is part of CSSTidy. |
| 23 |
* |
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* CSSTidy is free software; you can redistribute it and/or modify |
| 25 |
* it under the terms of the GNU Lesser General Public License as published by |
| 26 |
* the Free Software Foundation; either version 2.1 of the License, or |
| 27 |
* (at your option) any later version. |
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* |
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* CSSTidy is distributed in the hope that it will be useful, |
| 30 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 31 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
| 35 |
* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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* |
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* @license https://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License |
| 38 |
* @package CSSTidy |
| 39 |
* @author Florian Schmitz (floele at gmail dot com) 2005-2007 |
| 40 |
* @author Brett Zamir (brettz9 at yahoo dot com) 2007 |
| 41 |
* @author Nikolay Matsievsky (speed at webo dot name) 2009-2010 |
| 42 |
* @author Cedric Morin (cedric at yterium dot com) 2010-2012 |
| 43 |
*/ |
| 44 |
|
| 45 |
/** |
| 46 |
* CSS Optimising Class |
| 47 |
* |
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* This class optimises CSS data generated by CSSTidy. |
| 49 |
* |
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* @package CSSTidy |
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* @author Florian Schmitz (floele at gmail dot com) 2005-2006 |
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* @version 1.0 |
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*/ |
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class TablePress_CSSTidy_optimise { |
| 55 |
|
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/** |
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* CSSTidy instance. |
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* |
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* @since 1.0.0 |
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* @var CSSTidy |
| 61 |
*/ |
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public $parser; |
| 63 |
|
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/** |
| 65 |
* The parsed CSS. |
| 66 |
* |
| 67 |
* @since 1.0.0 |
| 68 |
* @var array |
| 69 |
*/ |
| 70 |
public $css = array(); |
| 71 |
|
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/** |
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* The current sub-value. |
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* |
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* @since 1.0.0 |
| 76 |
* @var string |
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*/ |
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public $sub_value = ''; |
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|
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/** |
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* The current at rule (@media). |
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* |
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* @since 1.0.0 |
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* @var string |
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*/ |
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public $at = ''; |
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|
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/** |
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* The current selector. |
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* |
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* @since 1.0.0 |
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* @var string |
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*/ |
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public $selector = ''; |
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|
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/** |
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* The current property. |
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* |
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* @since 1.0.0 |
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* @var string |
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*/ |
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public $property = ''; |
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|
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/** |
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* The current value. |
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* |
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* @since 1.0.0 |
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* @var string |
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*/ |
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public $value = ''; |
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|
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/** |
| 113 |
* Constructor. |
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* |
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* @since 1.0.0 |
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* |
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* @param CSSTidy $css Instance of the CSSTidy class. |
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*/ |
| 119 |
public function __construct( $css ) { |
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$this->parser = $css; |
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$this->css = &$css->css; |
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$this->sub_value = &$css->sub_value; |
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$this->at = &$css->at; |
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$this->selector = &$css->selector; |
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$this->property = &$css->property; |
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$this->value = &$css->value; |
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} |
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|
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/** |
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* Optimises $css after parsing. |
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* |
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* @since 1.0.0 |
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*/ |
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public function postparse() { |
| 135 |
if ( $this->parser->get_cfg( 'preserve_css' ) ) { |
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return; |
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} |
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|
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if ( 2 === (int) $this->parser->get_cfg( 'merge_selectors' ) ) { |
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foreach ( $this->css as $medium => $value ) { |
| 141 |
if ( is_array( $value ) ) { |
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$this->merge_selectors( $this->css[ $medium ] ); |
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} |
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} |
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} |
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|
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if ( $this->parser->get_cfg( 'discard_invalid_selectors' ) ) { |
| 148 |
foreach ( $this->css as $medium => $value ) { |
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if ( is_array( $value ) ) { |
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$this->discard_invalid_selectors( $this->css[ $medium ] ); |
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} |
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} |
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} |
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|
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if ( $this->parser->get_cfg( 'optimise_shorthands' ) > 0 ) { |
| 156 |
foreach ( $this->css as $medium => $value ) { |
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if ( is_array( $value ) ) { |
| 158 |
foreach ( $value as $selector => $value1 ) { |
| 159 |
$this->css[ $medium ][ $selector ] = $this->merge_4value_shorthands( $this->css[ $medium ][ $selector ] ); |
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|
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if ( $this->parser->get_cfg( 'optimise_shorthands' ) < 2 ) { |
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continue; |
| 163 |
} |
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|
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$this->css[ $medium ][ $selector ] = $this->merge_font( $this->css[ $medium ][ $selector ] ); |
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|
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if ( $this->parser->get_cfg( 'optimise_shorthands' ) < 3 ) { |
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continue; |
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} |
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|
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$this->css[ $medium ][ $selector ] = $this->merge_bg( $this->css[ $medium ][ $selector ] ); |
| 172 |
if ( empty( $this->css[ $medium ][ $selector ] ) ) { |
| 173 |
unset( $this->css[ $medium ][ $selector ] ); |
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} |
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} |
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} |
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} |
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} |
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} |
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|
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/** |
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* Optimises values |
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* |
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* @since 1.0.0 |
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*/ |
| 186 |
public function value() { |
| 187 |
$shorthands = &$this->parser->data['csstidy']['shorthands']; |
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|
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// Optimise shorthand properties. |
| 190 |
if ( isset( $shorthands[ $this->property ] ) && $this->parser->get_cfg( 'optimise_shorthands' ) > 0 ) { |
| 191 |
$temp = $this->shorthand( $this->value ); // FIXME - move |
| 192 |
if ( $temp !== $this->value ) { |
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$this->parser->log( 'Optimised shorthand notation (' . $this->property . '): Changed "' . $this->value . '" to "' . $temp . '"', 'Information' ); |
| 194 |
} |
| 195 |
$this->value = $temp; |
| 196 |
} |
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|
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// Remove whitespace at !important |
| 199 |
if ( $this->value !== $this->compress_important( $this->value ) ) { |
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$this->parser->log( 'Optimised !important', 'Information' ); |
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} |
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} |
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|
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/** |
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* Optimises shorthands. |
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* |
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* @since 1.0.0 |
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*/ |
| 209 |
public function shorthands() { |
| 210 |
$shorthands = &$this->parser->data['csstidy']['shorthands']; |
| 211 |
|
| 212 |
if ( ! $this->parser->get_cfg( 'optimise_shorthands' ) || $this->parser->get_cfg( 'preserve_css' ) ) { |
| 213 |
return; |
| 214 |
} |
| 215 |
|
| 216 |
if ( 'font' === $this->property && $this->parser->get_cfg( 'optimise_shorthands' ) > 1 ) { |
| 217 |
$this->css[ $this->at ][ $this->selector ]['font'] = ''; |
| 218 |
$this->parser->merge_css_blocks( $this->at, $this->selector, $this->dissolve_short_font( $this->value ) ); |
| 219 |
} |
| 220 |
if ( 'background' === $this->property && $this->parser->get_cfg( 'optimise_shorthands' ) > 2 ) { |
| 221 |
$this->css[ $this->at ][ $this->selector ]['background'] = ''; |
| 222 |
$this->parser->merge_css_blocks( $this->at, $this->selector, $this->dissolve_short_bg( $this->value ) ); |
| 223 |
} |
| 224 |
if ( isset( $shorthands[ $this->property ] ) ) { |
| 225 |
$this->parser->merge_css_blocks( $this->at, $this->selector, $this->dissolve_4value_shorthands( $this->property, $this->value ) ); |
| 226 |
if ( is_array( $shorthands[ $this->property ] ) ) { |
| 227 |
$this->css[ $this->at ][ $this->selector ][ $this->property ] = ''; |
| 228 |
} |
| 229 |
} |
| 230 |
} |
| 231 |
|
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/** |
| 233 |
* Optimises a sub-value. |
| 234 |
* |
| 235 |
* @since 1.0.0 |
| 236 |
*/ |
| 237 |
public function subvalue() { |
| 238 |
$replace_colors = &$this->parser->data['csstidy']['replace_colors']; |
| 239 |
|
| 240 |
$this->sub_value = trim( $this->sub_value ); |
| 241 |
if ( '' === $this->sub_value ) { // caution : '0' |
| 242 |
return; |
| 243 |
} |
| 244 |
|
| 245 |
$important = ''; |
| 246 |
if ( $this->parser->is_important( $this->sub_value ) ) { |
| 247 |
$important = ' !important'; |
| 248 |
} |
| 249 |
$this->sub_value = $this->parser->gvw_important( $this->sub_value ); |
| 250 |
|
| 251 |
// Compress font-weight. |
| 252 |
if ( 'font-weight' === $this->property && $this->parser->get_cfg( 'compress_font-weight' ) ) { |
| 253 |
if ( 'bold' === $this->sub_value ) { |
| 254 |
$this->sub_value = '700'; |
| 255 |
$this->parser->log( 'Optimised font-weight: Changed "bold" to "700"', 'Information' ); |
| 256 |
} elseif ( 'normal' === $this->sub_value ) { |
| 257 |
$this->sub_value = '400'; |
| 258 |
$this->parser->log( 'Optimised font-weight: Changed "normal" to "400"', 'Information' ); |
| 259 |
} |
| 260 |
} |
| 261 |
|
| 262 |
$temp = $this->compress_numbers( $this->sub_value ); |
| 263 |
if ( 0 !== strcasecmp( $temp, $this->sub_value ) ) { |
| 264 |
if ( strlen( $temp ) > strlen( $this->sub_value ) ) { |
| 265 |
$this->parser->log( 'Fixed invalid number: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Warning' ); |
| 266 |
} else { |
| 267 |
$this->parser->log( 'Optimised number: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Information' ); |
| 268 |
} |
| 269 |
$this->sub_value = $temp; |
| 270 |
} |
| 271 |
if ( $this->parser->get_cfg( 'compress_colors' ) ) { |
| 272 |
$temp = $this->cut_color( $this->sub_value ); |
| 273 |
if ( $temp !== $this->sub_value ) { |
| 274 |
if ( isset( $replace_colors[ $this->sub_value ] ) ) { |
| 275 |
$this->parser->log( 'Fixed invalid color name: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Warning' ); |
| 276 |
} else { |
| 277 |
$this->parser->log( 'Optimised color: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Information' ); |
| 278 |
} |
| 279 |
$this->sub_value = $temp; |
| 280 |
} |
| 281 |
} |
| 282 |
$this->sub_value .= $important; |
| 283 |
} |
| 284 |
|
| 285 |
/** |
| 286 |
* Compresses shorthand values. |
| 287 |
* |
| 288 |
* Example: `margin: 1px 1px 1px 1px` will become `margin: 1px`. |
| 289 |
* |
| 290 |
* @since 1.0.0 |
| 291 |
* |
| 292 |
* @param string $value Shorthand value. |
| 293 |
* @return string Compressed value. |
| 294 |
*/ |
| 295 |
public function shorthand( $value ) { |
| 296 |
$important = ''; |
| 297 |
if ( $this->parser->is_important( $value ) ) { |
| 298 |
$values = $this->parser->gvw_important( $value ); |
| 299 |
$important = ' !important'; |
| 300 |
} else { |
| 301 |
$values = $value; |
| 302 |
} |
| 303 |
|
| 304 |
$values = explode( ' ', $values ); |
| 305 |
switch ( count( $values ) ) { |
| 306 |
case 4: |
| 307 |
if ( $values[0] === $values[1] && $values[0] === $values[2] && $values[0] === $values[3] ) { |
| 308 |
return $values[0] . $important; |
| 309 |
} elseif ( $values[1] === $values[3] && $values[0] === $values[2] ) { |
| 310 |
return $values[0] . ' ' . $values[1] . $important; |
| 311 |
} elseif ( $values[1] === $values[3] ) { |
| 312 |
return $values[0] . ' ' . $values[1] . ' ' . $values[2] . $important; |
| 313 |
} |
| 314 |
break; |
| 315 |
case 3: |
| 316 |
if ( $values[0] === $values[1] && $values[0] === $values[2] ) { |
| 317 |
return $values[0] . $important; |
| 318 |
} elseif ( $values[0] === $values[2] ) { |
| 319 |
return $values[0] . ' ' . $values[1] . $important; |
| 320 |
} |
| 321 |
break; |
| 322 |
case 2: |
| 323 |
if ( $values[0] === $values[1] ) { |
| 324 |
return $values[0] . $important; |
| 325 |
} |
| 326 |
break; |
| 327 |
} |
| 328 |
|
| 329 |
return $value; |
| 330 |
} |
| 331 |
|
| 332 |
/** |
| 333 |
* Removes unnecessary whitespace in ! important. |
| 334 |
* |
| 335 |
* @since 1.0.0 |
| 336 |
* |
| 337 |
* @param string $string String. |
| 338 |
* @return string Cleaned string. |
| 339 |
*/ |
| 340 |
public function compress_important( &$string ) { |
| 341 |
if ( $this->parser->is_important( $string ) ) { |
| 342 |
$string = $this->parser->gvw_important( $string ) . ' !important'; |
| 343 |
} |
| 344 |
return $string; |
| 345 |
} |
| 346 |
|
| 347 |
/** |
| 348 |
* Color compression function. Converts all rgb() values to #-values and uses the short-form if possible. Also replaces 4 color names by #-values. |
| 349 |
* |
| 350 |
* @since 1.0.0 |
| 351 |
* |
| 352 |
* @param string $color Color value. |
| 353 |
* @return string Compressed color. |
| 354 |
*/ |
| 355 |
public function cut_color( $color ) { |
| 356 |
$replace_colors = &$this->parser->data['csstidy']['replace_colors']; |
| 357 |
|
| 358 |
// If it's a string, don't touch! |
| 359 |
if ( 0 === strncmp( $color, "'", 1 ) || 0 === strncmp( $color, '"', 1 ) ) { |
| 360 |
return $color; |
| 361 |
} |
| 362 |
|
| 363 |
// Complex gradient expressions |
| 364 |
if ( false !== strpos( $color, '(' ) && 0 !== strncmp( $color, 'rgb(', 4 ) ) { |
| 365 |
// Don't touch properties within MSIE filters, those are to sensitive. |
| 366 |
if ( false !== stripos( $color, 'progid:' ) ) { |
| 367 |
return $color; |
| 368 |
} |
| 369 |
preg_match_all( ',rgb\([^)]+\),i', $color, $matches, PREG_SET_ORDER ); |
| 370 |
if ( count( $matches ) ) { |
| 371 |
foreach ( $matches as $m ) { |
| 372 |
$color = str_replace( $m[0], $this->cut_color( $m[0] ), $color ); |
| 373 |
} |
| 374 |
} |
| 375 |
preg_match_all( ',#[0-9a-f]{6}(?=[^0-9a-f]),i', $color, $matches, PREG_SET_ORDER ); |
| 376 |
if ( count( $matches ) ) { |
| 377 |
foreach ( $matches as $m ) { |
| 378 |
$color = str_replace( $m[0], $this->cut_color( $m[0] ), $color ); |
| 379 |
} |
| 380 |
} |
| 381 |
return $color; |
| 382 |
} |
| 383 |
|
| 384 |
// rgb(0,0,0) -> #000000 (or #000 in this case later) |
| 385 |
if ( 0 === strncasecmp( $color, 'rgb(', 4 ) ) { |
| 386 |
$color_tmp = substr( $color, 4, strlen( $color ) - 5 ); |
| 387 |
$color_tmp = explode( ',', $color_tmp ); |
| 388 |
for ( $i = 0; $i < count( $color_tmp ); $i++ ) { |
| 389 |
$color_tmp[ $i ] = trim( $color_tmp[ $i ] ); |
| 390 |
if ( '%' === substr( $color_tmp[ $i ], -1 ) ) { |
| 391 |
$color_tmp[ $i ] = round( ( 255 * $color_tmp[ $i ] ) / 100 ); |
| 392 |
} |
| 393 |
if ( $color_tmp[ $i ] > 255 ) { |
| 394 |
$color_tmp[ $i ] = 255; |
| 395 |
} |
| 396 |
} |
| 397 |
$color = '#'; |
| 398 |
for ( $i = 0; $i < 3; $i++ ) { |
| 399 |
if ( $color_tmp[ $i ] < 16 ) { |
| 400 |
$color .= '0' . dechex( $color_tmp[ $i ] ); |
| 401 |
} else { |
| 402 |
$color .= dechex( $color_tmp[ $i ] ); |
| 403 |
} |
| 404 |
} |
| 405 |
} |
| 406 |
|
| 407 |
// Fix bad color names. |
| 408 |
if ( isset( $replace_colors[ strtolower( $color ) ] ) ) { |
| 409 |
$color = $replace_colors[ strtolower( $color ) ]; |
| 410 |
} |
| 411 |
|
| 412 |
// #aabbcc -> #abc |
| 413 |
if ( 7 === strlen( $color ) ) { |
| 414 |
$color_temp = strtolower( $color ); |
| 415 |
if ( '#' === $color_temp[0] && $color_temp[1] === $color_temp[2] && $color_temp[3] === $color_temp[4] && $color_temp[5] === $color_temp[6] ) { |
| 416 |
$color = '#' . $color[1] . $color[3] . $color[5]; |
| 417 |
} |
| 418 |
} |
| 419 |
|
| 420 |
switch ( strtolower( $color ) ) { |
| 421 |
/* color name -> hex code */ |
| 422 |
case 'black': |
| 423 |
return '#000'; |
| 424 |
case 'fuchsia': |
| 425 |
return '#f0f'; |
| 426 |
case 'white': |
| 427 |
return '#fff'; |
| 428 |
case 'yellow': |
| 429 |
return '#ff0'; |
| 430 |
|
| 431 |
/* hex code -> color name */ |
| 432 |
case '#800000': |
| 433 |
return 'maroon'; |
| 434 |
case '#ffa500': |
| 435 |
return 'orange'; |
| 436 |
case '#808000': |
| 437 |
return 'olive'; |
| 438 |
case '#800080': |
| 439 |
return 'purple'; |
| 440 |
case '#008000': |
| 441 |
return 'green'; |
| 442 |
case '#000080': |
| 443 |
return 'navy'; |
| 444 |
case '#008080': |
| 445 |
return 'teal'; |
| 446 |
case '#c0c0c0': |
| 447 |
return 'silver'; |
| 448 |
case '#808080': |
| 449 |
return 'gray'; |
| 450 |
case '#f00': |
| 451 |
return 'red'; |
| 452 |
} |
| 453 |
|
| 454 |
return $color; |
| 455 |
} |
| 456 |
|
| 457 |
/** |
| 458 |
* Compresses numbers (ie. 1.0 becomes 1 or 1.100 becomes 1.1). |
| 459 |
* |
| 460 |
* @since 1.0.0 |
| 461 |
* |
| 462 |
* @param string $subvalue Value. |
| 463 |
* @return string Compressed value. |
| 464 |
*/ |
| 465 |
public function compress_numbers( $subvalue ) { |
| 466 |
$unit_values = &$this->parser->data['csstidy']['unit_values']; |
| 467 |
$color_values = &$this->parser->data['csstidy']['color_values']; |
| 468 |
|
| 469 |
// for font:1em/1em sans-serif...; |
| 470 |
if ( 'font' === $this->property ) { |
| 471 |
$temp = explode( '/', $subvalue ); |
| 472 |
} else { |
| 473 |
$temp = array( $subvalue ); |
| 474 |
} |
| 475 |
|
| 476 |
for ( $l = 0; $l < count( $temp ); $l++ ) { |
| 477 |
// If we are not dealing with a number at this point, do not optimize anything. |
| 478 |
$number = $this->AnalyseCssNumber( $temp[ $l ] ); |
| 479 |
if ( false === $number ) { |
| 480 |
return $subvalue; |
| 481 |
} |
| 482 |
|
| 483 |
// Fix bad colors. |
| 484 |
if ( in_array( $this->property, $color_values ) ) { |
| 485 |
if ( 3 === strlen( $temp[ $l ] ) || 6 === strlen( $temp[ $l ] ) ) { |
| 486 |
$temp[ $l ] = '#' . $temp[ $l ]; |
| 487 |
} else { |
| 488 |
$temp[ $l ] = '0'; |
| 489 |
} |
| 490 |
continue; |
| 491 |
} |
| 492 |
|
| 493 |
if ( abs( $number[0] ) > 0 ) { |
| 494 |
if ( '' === $number[1] && in_array( $this->property, $unit_values, true ) ) { |
| 495 |
$number[1] = 'px'; |
| 496 |
} |
| 497 |
} elseif ( 's' !== $number[1] && 'ms' !== $number[1] ) { |
| 498 |
$number[1] = ''; |
| 499 |
} |
| 500 |
|
| 501 |
$temp[ $l ] = $number[0] . $number[1]; |
| 502 |
} |
| 503 |
|
| 504 |
return ( count( $temp ) > 1 ) ? $temp[0] . '/' . $temp[1] : $temp[0]; |
| 505 |
} |
| 506 |
|
| 507 |
/** |
| 508 |
* Checks if a given string is a CSS valid number. If it is, an array containing the value and unit is returned. |
| 509 |
* |
| 510 |
* @since 1.0.0 |
| 511 |
* |
| 512 |
* @param string $string String. |
| 513 |
* @return array ('unit' if unit is found or '' if no unit exists, number value) or false if no number. |
| 514 |
*/ |
| 515 |
public function analyseCssNumber( $string ) { |
| 516 |
// most simple checks first |
| 517 |
if ( 0 === strlen( $string ) || ctype_alpha( $string[0] ) ) { |
| 518 |
return false; |
| 519 |
} |
| 520 |
|
| 521 |
$units = &$this->parser->data['csstidy']['units']; |
| 522 |
$return = array( 0, '' ); |
| 523 |
|
| 524 |
$return[0] = floatval( $string ); |
| 525 |
if ( abs( $return[0] ) > 0 && abs( $return[0] ) < 1 ) { |
| 526 |
if ( $return[0] < 0 ) { |
| 527 |
$return[0] = '-' . ltrim( substr( $return[0], 1 ), '0' ); |
| 528 |
} else { |
| 529 |
$return[0] = ltrim( $return[0], '0' ); |
| 530 |
} |
| 531 |
} |
| 532 |
|
| 533 |
// Look for unit and split from value if exists |
| 534 |
foreach ( $units as $unit ) { |
| 535 |
$expectUnitAt = strlen( $string ) - strlen( $unit ); |
| 536 |
if ( ! ( $unitInString = stristr( $string, $unit ) ) ) { // mb_strpos() fails with "false" |
| 537 |
continue; |
| 538 |
} |
| 539 |
$actualPosition = strpos( $string, $unitInString ); |
| 540 |
if ( $expectUnitAt === $actualPosition ) { |
| 541 |
$return[1] = $unit; |
| 542 |
$string = substr( $string, 0, - strlen( $unit ) ); |
| 543 |
break; |
| 544 |
} |
| 545 |
} |
| 546 |
if ( ! is_numeric( $string ) ) { |
| 547 |
return false; |
| 548 |
} |
| 549 |
return $return; |
| 550 |
} |
| 551 |
|
| 552 |
/** |
| 553 |
* Merges selectors with same properties. Example: a{color:red} b{color:red} -> a,b{color:red} |
| 554 |
* Very basic and has at least one bug. Hopefully there is a replacement soon. |
| 555 |
* |
| 556 |
* @since 1.0.0 |
| 557 |
* |
| 558 |
* @param array $array |
| 559 |
* @return array |
| 560 |
*/ |
| 561 |
public function merge_selectors( array &$array ) { |
| 562 |
$css = $array; |
| 563 |
foreach ( $css as $key => $value ) { |
| 564 |
if ( ! isset( $css[ $key ] ) ) { |
| 565 |
continue; |
| 566 |
} |
| 567 |
|
| 568 |
// Check if properties also exist in another selector. |
| 569 |
$keys = array(); |
| 570 |
// PHP bug (?) without $css = $array; here |
| 571 |
foreach ( $css as $selector => $vali ) { |
| 572 |
if ( $selector === $key ) { |
| 573 |
continue; |
| 574 |
} |
| 575 |
|
| 576 |
if ( $css[ $key ] === $vali ) { |
| 577 |
$keys[] = $selector; |
| 578 |
} |
| 579 |
} |
| 580 |
|
| 581 |
if ( ! empty( $keys ) ) { |
| 582 |
$newsel = $key; |
| 583 |
unset( $css[ $key ] ); |
| 584 |
foreach ( $keys as $selector ) { |
| 585 |
unset( $css[ $selector ] ); |
| 586 |
$newsel .= ',' . $selector; |
| 587 |
} |
| 588 |
$css[ $newsel ] = $value; |
| 589 |
} |
| 590 |
} |
| 591 |
$array = $css; |
| 592 |
} |
| 593 |
|
| 594 |
/** |
| 595 |
* Removes invalid selectors and their corresponding rule-sets as |
| 596 |
* defined by 4.1.7 in REC-CSS2. This is a very rudimentary check |
| 597 |
* and should be replaced by a full-blown parsing algorithm or |
| 598 |
* regular expression. |
| 599 |
* |
| 600 |
* @since 1.0.0 |
| 601 |
* |
| 602 |
* @param [type] $array [description] |
| 603 |
*/ |
| 604 |
public function discard_invalid_selectors( &$array ) { |
| 605 |
foreach ( $array as $selector => $decls ) { |
| 606 |
$ok = true; |
| 607 |
$selectors = array_map( 'trim', explode( ',', $selector ) ); |
| 608 |
foreach ( $selectors as $s ) { |
| 609 |
$simple_selectors = preg_split( '/\s*[+>~\s]\s*/', $s ); |
| 610 |
foreach ( $simple_selectors as $ss ) { |
| 611 |
if ( '' === $ss ) { |
| 612 |
$ok = false; |
| 613 |
} |
| 614 |
// could also check $ss for internal structure, |
| 615 |
// but that probably would be too slow |
| 616 |
} |
| 617 |
} |
| 618 |
if ( ! $ok ) { |
| 619 |
unset( $array[ $selector ] ); |
| 620 |
} |
| 621 |
} |
| 622 |
} |
| 623 |
|
| 624 |
/** |
| 625 |
* Dissolves properties like padding:10px 10px 10px to padding-top:10px;padding-bottom:10px;... |
| 626 |
* |
| 627 |
* @since 1.0.0 |
| 628 |
* |
| 629 |
* @param string $property [description] |
| 630 |
* @param string $value [description] |
| 631 |
* |
| 632 |
* @return [type] [description] |
| 633 |
*/ |
| 634 |
public function dissolve_4value_shorthands( $property, $value ) { |
| 635 |
$return = array(); |
| 636 |
|
| 637 |
$shorthands = &$this->parser->data['csstidy']['shorthands']; |
| 638 |
if ( ! is_array( $shorthands[ $property ] ) ) { |
| 639 |
$return[ $property ] = $value; |
| 640 |
return $return; |
| 641 |
} |
| 642 |
|
| 643 |
$important = ''; |
| 644 |
if ( $this->parser->is_important( $value ) ) { |
| 645 |
$value = $this->parser->gvw_important( $value ); |
| 646 |
$important = ' !important'; |
| 647 |
} |
| 648 |
$values = explode( ' ', $value ); |
| 649 |
|
| 650 |
if ( 4 === count( $values ) ) { |
| 651 |
for ( $i = 0; $i < 4; $i++ ) { |
| 652 |
$return[ $shorthands[ $property ][ $i ] ] = $values[ $i ] . $important; |
| 653 |
} |
| 654 |
} elseif ( 3 === count( $values ) ) { |
| 655 |
$return[ $shorthands[ $property ][0] ] = $values[0] . $important; |
| 656 |
$return[ $shorthands[ $property ][1] ] = $values[1] . $important; |
| 657 |
$return[ $shorthands[ $property ][3] ] = $values[1] . $important; |
| 658 |
$return[ $shorthands[ $property ][2] ] = $values[2] . $important; |
| 659 |
} elseif ( 2 === count( $values ) ) { |
| 660 |
for ( $i = 0; $i < 4; $i++ ) { |
| 661 |
$return[ $shorthands[ $property ][ $i ] ] = ( 0 !== $i % 2 ) ? $values[1] . $important : $values[0] . $important; |
| 662 |
} |
| 663 |
} else { |
| 664 |
for ( $i = 0; $i < 4; $i++ ) { |
| 665 |
$return[ $shorthands[ $property ][ $i ] ] = $values[0] . $important; |
| 666 |
} |
| 667 |
} |
| 668 |
|
| 669 |
return $return; |
| 670 |
} |
| 671 |
|
| 672 |
/** |
| 673 |
* Explodes a string as explode() does, however, not if $sep is escaped or within a string. |
| 674 |
* |
| 675 |
* @since 1.0.0 |
| 676 |
* |
| 677 |
* @param string $sep Separator. |
| 678 |
* @param string $string String. |
| 679 |
* @return array |
| 680 |
*/ |
| 681 |
public function explode_ws( $sep, $string ) { |
| 682 |
$status = 'st'; |
| 683 |
$to = ''; |
| 684 |
|
| 685 |
$output = array(); |
| 686 |
$num = 0; |
| 687 |
for ( $i = 0, $len = strlen( $string ); $i < $len; $i++ ) { |
| 688 |
switch ( $status ) { |
| 689 |
case 'st': |
| 690 |
if ( $string[ $i ] === $sep && ! $this->parser->escaped( $string, $i ) ) { |
| 691 |
++$num; |
| 692 |
} elseif ( '"' === $string[ $i ] || "'" === $string[ $i ] || '(' === $string[ $i ] && ! $this->parser->escaped( $string, $i ) ) { |
| 693 |
$status = 'str'; |
| 694 |
$to = ( '(' === $string[ $i ] ) ? ')' : $string[ $i ]; |
| 695 |
( isset( $output[ $num ] ) ) ? $output[ $num ] .= $string[ $i ] : $output[ $num ] = $string[ $i ]; |
| 696 |
} else { |
| 697 |
( isset( $output[ $num ] ) ) ? $output[ $num ] .= $string[ $i ] : $output[ $num ] = $string[ $i ]; |
| 698 |
} |
| 699 |
break; |
| 700 |
|
| 701 |
case 'str': |
| 702 |
if ( $string[ $i ] === $to && ! $this->parser->escaped( $string, $i ) ) { |
| 703 |
$status = 'st'; |
| 704 |
} |
| 705 |
( isset( $output[ $num ] ) ) ? $output[ $num ] .= $string[ $i ] : $output[ $num ] = $string[ $i ]; |
| 706 |
break; |
| 707 |
} |
| 708 |
} |
| 709 |
|
| 710 |
if ( isset( $output[0] ) ) { |
| 711 |
return $output; |
| 712 |
} else { |
| 713 |
return array( $output ); |
| 714 |
} |
| 715 |
} |
| 716 |
|
| 717 |
/** |
| 718 |
* Merges Shorthand properties again, the opposite of dissolve_4value_shorthands(). |
| 719 |
* |
| 720 |
* @since 1.0.0 |
| 721 |
* |
| 722 |
* @param [type] $array [description] |
| 723 |
* @return [type] [description] |
| 724 |
*/ |
| 725 |
public function merge_4value_shorthands( $array ) { |
| 726 |
$return = $array; |
| 727 |
$shorthands = &$this->parser->data['csstidy']['shorthands']; |
| 728 |
|
| 729 |
foreach ( $shorthands as $key => $value ) { |
| 730 |
if ( isset( $array[ $value[0] ] ) && isset( $array[ $value[1] ] ) |
| 731 |
&& isset( $array[ $value[2] ] ) && isset( $array[ $value[3] ] ) && 0 !== $value ) { |
| 732 |
$return[ $key ] = ''; |
| 733 |
|
| 734 |
$important = ''; |
| 735 |
for ( $i = 0; $i < 4; $i++ ) { |
| 736 |
$val = $array[ $value[ $i ] ]; |
| 737 |
if ( $this->parser->is_important( $val ) ) { |
| 738 |
$important = ' !important'; |
| 739 |
$return[ $key ] .= $this->parser->gvw_important( $val ) . ' '; |
| 740 |
} else { |
| 741 |
$return[ $key ] .= $val . ' '; |
| 742 |
} |
| 743 |
unset( $return[ $value[ $i ] ] ); |
| 744 |
} |
| 745 |
$return[ $key ] = $this->shorthand( trim( $return[ $key ] . $important ) ); |
| 746 |
} |
| 747 |
} |
| 748 |
return $return; |
| 749 |
} |
| 750 |
|
| 751 |
/** |
| 752 |
* Dissolve background property. |
| 753 |
* |
| 754 |
* @TODO Full CSS3 compliance. |
| 755 |
* |
| 756 |
* @since 1.0.0 |
| 757 |
* |
| 758 |
* @param string $str_value String value. |
| 759 |
* @return array Array. |
| 760 |
*/ |
| 761 |
public function dissolve_short_bg( $str_value ) { |
| 762 |
// Don't try to explose background gradient! |
| 763 |
if ( false !== stripos( $str_value, 'gradient(' ) ) { |
| 764 |
return array( 'background' => $str_value ); |
| 765 |
} |
| 766 |
|
| 767 |
$background_prop_default = &$this->parser->data['csstidy']['background_prop_default']; |
| 768 |
$repeat = array( 'repeat', 'repeat-x', 'repeat-y', 'no-repeat', 'space' ); |
| 769 |
$attachment = array( 'scroll', 'fixed', 'local' ); |
| 770 |
$clip = array( 'border', 'padding' ); |
| 771 |
$origin = array( 'border', 'padding', 'content' ); |
| 772 |
$pos = array( 'top', 'center', 'bottom', 'left', 'right' ); |
| 773 |
$important = ''; |
| 774 |
$return = array( |
| 775 |
'background-image' => null, |
| 776 |
'background-size' => null, |
| 777 |
'background-repeat' => null, |
| 778 |
'background-position' => null, |
| 779 |
'background-attachment' => null, |
| 780 |
'background-clip' => null, |
| 781 |
'background-origin' => null, |
| 782 |
'background-color' => null, |
| 783 |
); |
| 784 |
|
| 785 |
if ( $this->parser->is_important( $str_value ) ) { |
| 786 |
$important = ' !important'; |
| 787 |
$str_value = $this->parser->gvw_important( $str_value ); |
| 788 |
} |
| 789 |
|
| 790 |
$have = array(); |
| 791 |
$str_value = $this->explode_ws( ',', $str_value ); |
| 792 |
for ( $i = 0; $i < count( $str_value ); $i++ ) { |
| 793 |
$have['clip'] = false; |
| 794 |
$have['pos'] = false; |
| 795 |
$have['color'] = false; |
| 796 |
$have['bg'] = false; |
| 797 |
|
| 798 |
if ( is_array( $str_value[ $i ] ) ) { |
| 799 |
$str_value[ $i ] = $str_value[ $i ][0]; |
| 800 |
} |
| 801 |
$str_value[ $i ] = $this->explode_ws( ' ', trim( $str_value[ $i ] ) ); |
| 802 |
|
| 803 |
for ( $j = 0; $j < count( $str_value[ $i ] ); $j++ ) { |
| 804 |
if ( false === $have['bg'] && ( 'url(' === substr( $str_value[ $i ][ $j ], 0, 4 ) || 'none' === $str_value[ $i ][ $j ] ) ) { |
| 805 |
$return['background-image'] .= $str_value[ $i ][ $j ] . ','; |
| 806 |
$have['bg'] = true; |
| 807 |
} elseif ( in_array( $str_value[ $i ][ $j ], $repeat, true ) ) { |
| 808 |
$return['background-repeat'] .= $str_value[ $i ][ $j ] . ','; |
| 809 |
} elseif ( in_array( $str_value[ $i ][ $j ], $attachment, true ) ) { |
| 810 |
$return['background-attachment'] .= $str_value[ $i ][ $j ] . ','; |
| 811 |
} elseif ( in_array( $str_value[ $i ][ $j ], $clip, true ) && ! $have['clip'] ) { |
| 812 |
$return['background-clip'] .= $str_value[ $i ][ $j ] . ','; |
| 813 |
$have['clip'] = true; |
| 814 |
} elseif ( in_array( $str_value[ $i ][ $j ], $origin, true ) ) { |
| 815 |
$return['background-origin'] .= $str_value[ $i ][ $j ] . ','; |
| 816 |
} elseif ( '(' === $str_value[ $i ][ $j ][0] ) { |
| 817 |
$return['background-size'] .= substr( $str_value[ $i ][ $j ], 1, -1 ) . ','; |
| 818 |
} elseif ( in_array( $str_value[ $i ][ $j ], $pos, true ) || is_numeric( $str_value[ $i ][ $j ][0] ) || null === $str_value[ $i ][ $j ][0] || '-' === $str_value[ $i ][ $j ][0] || '.' === $str_value[ $i ][ $j ][0] ) { |
| 819 |
$return['background-position'] .= $str_value[ $i ][ $j ]; |
| 820 |
if ( ! $have['pos'] ) { |
| 821 |
$return['background-position'] .= ' '; |
| 822 |
} else { |
| 823 |
$return['background-position'] .= ','; |
| 824 |
} |
| 825 |
$have['pos'] = true; |
| 826 |
} elseif ( ! $have['color'] ) { |
| 827 |
$return['background-color'] .= $str_value[ $i ][ $j ] . ','; |
| 828 |
$have['color'] = true; |
| 829 |
} |
| 830 |
} |
| 831 |
} |
| 832 |
|
| 833 |
foreach ( $background_prop_default as $bg_prop => $default_value ) { |
| 834 |
if ( null !== $return[ $bg_prop ] ) { |
| 835 |
$return[ $bg_prop ] = substr( $return[ $bg_prop ], 0, -1 ) . $important; |
| 836 |
} else { |
| 837 |
$return[ $bg_prop ] = $default_value . $important; |
| 838 |
} |
| 839 |
} |
| 840 |
return $return; |
| 841 |
} |
| 842 |
|
| 843 |
/** |
| 844 |
* Merges all background properties. |
| 845 |
* |
| 846 |
* @TODO Full CSS3 compliance. |
| 847 |
* |
| 848 |
* @since 1.0.0 |
| 849 |
* |
| 850 |
* @param array $input_css CSS. |
| 851 |
* @return array Array. |
| 852 |
*/ |
| 853 |
public function merge_bg( array $input_css ) { |
| 854 |
$background_prop_default = &$this->parser->data['csstidy']['background_prop_default']; |
| 855 |
// Max number of background images. CSS3 not yet fully implemented. |
| 856 |
$number_of_values = @max( count( $this->explode_ws( ',', $input_css['background-image'] ) ), count( $this->explode_ws( ',', $input_css['background-color'] ) ), 1 ); |
| 857 |
// Array with background images to check if BG image exists. |
| 858 |
$bg_img_array = @$this->explode_ws( ',', $this->parser->gvw_important( $input_css['background-image'] ) ); |
| 859 |
$new_bg_value = ''; |
| 860 |
$important = ''; |
| 861 |
|
| 862 |
// If background properties is here and not empty, don't try anything. |
| 863 |
if ( isset( $input_css['background'] ) && $input_css['background'] ) { |
| 864 |
return $input_css; |
| 865 |
} |
| 866 |
|
| 867 |
for ( $i = 0; $i < $number_of_values; $i++ ) { |
| 868 |
foreach ( $background_prop_default as $bg_property => $default_value ) { |
| 869 |
// Skip if property does not exist. |
| 870 |
if ( ! isset( $input_css[ $bg_property ] ) ) { |
| 871 |
continue; |
| 872 |
} |
| 873 |
|
| 874 |
$cur_value = $input_css[ $bg_property ]; |
| 875 |
// Skip all optimisation if gradient() somewhere. |
| 876 |
if ( false !== stripos( $cur_value, 'gradient(' ) ) { |
| 877 |
return $input_css; |
| 878 |
} |
| 879 |
|
| 880 |
// Skip some properties if there is no background image. |
| 881 |
if ( ( ! isset( $bg_img_array[ $i ] ) || 'none' === $bg_img_array[ $i ] ) |
| 882 |
&& ( 'background-size' === $bg_property || 'background-position' === $bg_property || 'background-attachment' === $bg_property || 'background-repeat' === $bg_property ) ) { |
| 883 |
continue; |
| 884 |
} |
| 885 |
|
| 886 |
// Remove !important. |
| 887 |
if ( $this->parser->is_important( $cur_value ) ) { |
| 888 |
$important = ' !important'; |
| 889 |
$cur_value = $this->parser->gvw_important( $cur_value ); |
| 890 |
} |
| 891 |
|
| 892 |
// Do not add default values. |
| 893 |
if ( $cur_value === $default_value ) { |
| 894 |
continue; |
| 895 |
} |
| 896 |
|
| 897 |
$temp = $this->explode_ws( ',', $cur_value ); |
| 898 |
|
| 899 |
if ( isset( $temp[ $i ] ) ) { |
| 900 |
if ( 'background-size' === $bg_property ) { |
| 901 |
$new_bg_value .= '(' . $temp[ $i ] . ') '; |
| 902 |
} else { |
| 903 |
$new_bg_value .= $temp[ $i ] . ' '; |
| 904 |
} |
| 905 |
} |
| 906 |
} |
| 907 |
|
| 908 |
$new_bg_value = trim( $new_bg_value ); |
| 909 |
if ( $i !== $number_of_values - 1 ) { |
| 910 |
$new_bg_value .= ','; |
| 911 |
} |
| 912 |
} |
| 913 |
|
| 914 |
// Delete all background properties. |
| 915 |
foreach ( $background_prop_default as $bg_property => $default_value ) { |
| 916 |
unset( $input_css[ $bg_property ] ); |
| 917 |
} |
| 918 |
|
| 919 |
// Add new background property. |
| 920 |
if ( '' !== $new_bg_value ) { |
| 921 |
$input_css['background'] = $new_bg_value . $important; |
| 922 |
} elseif ( isset( $input_css['background'] ) ) { |
| 923 |
$input_css['background'] = 'none'; |
| 924 |
} |
| 925 |
|
| 926 |
return $input_css; |
| 927 |
} |
| 928 |
|
| 929 |
/** |
| 930 |
* Dissolve font property. |
| 931 |
* |
| 932 |
* @since 1.0.0 |
| 933 |
* |
| 934 |
* @param [type] $str_value [description] |
| 935 |
* @return [type] [description] |
| 936 |
*/ |
| 937 |
public function dissolve_short_font( $str_value ) { |
| 938 |
$font_prop_default = &$this->parser->data['csstidy']['font_prop_default']; |
| 939 |
$font_weight = array( 'normal', 'bold', 'bolder', 'lighter', 100, 200, 300, 400, 500, 600, 700, 800, 900 ); |
| 940 |
$font_variant = array( 'normal', 'small-caps' ); |
| 941 |
$font_style = array( 'normal', 'italic', 'oblique' ); |
| 942 |
$important = ''; |
| 943 |
$return = array( |
| 944 |
'font-style' => null, |
| 945 |
'font-variant' => null, |
| 946 |
'font-weight' => null, |
| 947 |
'font-size' => null, |
| 948 |
'line-height' => null, |
| 949 |
'font-family' => null, |
| 950 |
); |
| 951 |
|
| 952 |
if ( $this->parser->is_important( $str_value ) ) { |
| 953 |
$important = ' !important'; |
| 954 |
$str_value = $this->parser->gvw_important( $str_value ); |
| 955 |
} |
| 956 |
|
| 957 |
$have = array(); |
| 958 |
$have['style'] = false; |
| 959 |
$have['variant'] = false; |
| 960 |
$have['weight'] = false; |
| 961 |
$have['size'] = false; |
| 962 |
// Detects if font-family consists of several words w/o quotes. |
| 963 |
$multiwords = false; |
| 964 |
|
| 965 |
// Workaround with multiple font-families. |
| 966 |
$str_value = $this->explode_ws( ',', trim( $str_value ) ); |
| 967 |
|
| 968 |
$str_value[0] = $this->explode_ws( ' ', trim( $str_value[0] ) ); |
| 969 |
|
| 970 |
for ( $j = 0; $j < count( $str_value[0] ); $j++ ) { |
| 971 |
if ( false === $have['weight'] && in_array( $str_value[0][ $j ], $font_weight ) ) { |
| 972 |
$return['font-weight'] = $str_value[0][ $j ]; |
| 973 |
$have['weight'] = true; |
| 974 |
} elseif ( false === $have['variant'] && in_array( $str_value[0][ $j ], $font_variant ) ) { |
| 975 |
$return['font-variant'] = $str_value[0][ $j ]; |
| 976 |
$have['variant'] = true; |
| 977 |
} elseif ( false === $have['style'] && in_array( $str_value[0][ $j ], $font_style ) ) { |
| 978 |
$return['font-style'] = $str_value[0][ $j ]; |
| 979 |
$have['style'] = true; |
| 980 |
} elseif ( false === $have['size'] && ( is_numeric( $str_value[0][ $j ][0] ) || null === $str_value[0][ $j ][0] || '.' === $str_value[0][ $j ][0] ) ) { |
| 981 |
$size = $this->explode_ws( '/', trim( $str_value[0][ $j ] ) ); |
| 982 |
$return['font-size'] = $size[0]; |
| 983 |
if ( isset( $size[1] ) ) { |
| 984 |
$return['line-height'] = $size[1]; |
| 985 |
} else { |
| 986 |
$return['line-height'] = ''; // Don't add 'normal'! |
| 987 |
} |
| 988 |
$have['size'] = true; |
| 989 |
} else { |
| 990 |
if ( isset( $return['font-family'] ) ) { |
| 991 |
$return['font-family'] .= ' ' . $str_value[0][ $j ]; |
| 992 |
$multiwords = true; |
| 993 |
} else { |
| 994 |
$return['font-family'] = $str_value[0][ $j ]; |
| 995 |
} |
| 996 |
} |
| 997 |
} |
| 998 |
// Add quotes if we have several words in font-family. |
| 999 |
if ( false !== $multiwords ) { |
| 1000 |
$return['font-family'] = '"' . $return['font-family'] . '"'; |
| 1001 |
} |
| 1002 |
$i = 1; |
| 1003 |
while ( isset( $str_value[ $i ] ) ) { |
| 1004 |
$return['font-family'] .= ',' . trim( $str_value[ $i ] ); |
| 1005 |
$i++; |
| 1006 |
} |
| 1007 |
|
| 1008 |
// Fix for font-size 100 and higher. |
| 1009 |
if ( false === $have['size'] && isset( $return['font-weight'] ) && is_numeric( $return['font-weight'][0] ) ) { |
| 1010 |
$return['font-size'] = $return['font-weight']; |
| 1011 |
unset( $return['font-weight'] ); |
| 1012 |
} |
| 1013 |
|
| 1014 |
foreach ( $font_prop_default as $font_prop => $default_value ) { |
| 1015 |
if ( null !== $return[ $font_prop ] ) { |
| 1016 |
$return[ $font_prop ] = $return[ $font_prop ] . $important; |
| 1017 |
} else { |
| 1018 |
$return[ $font_prop ] = $default_value . $important; |
| 1019 |
} |
| 1020 |
} |
| 1021 |
return $return; |
| 1022 |
} |
| 1023 |
|
| 1024 |
/** |
| 1025 |
* Merges all fonts properties. |
| 1026 |
* |
| 1027 |
* @since 1.0.0 |
| 1028 |
* |
| 1029 |
* @param [type] $input_css [description] |
| 1030 |
* @return [type] [description] |
| 1031 |
*/ |
| 1032 |
public function merge_font( $input_css ) { |
| 1033 |
$font_prop_default = &$this->parser->data['csstidy']['font_prop_default']; |
| 1034 |
$new_font_value = ''; |
| 1035 |
$important = ''; |
| 1036 |
// Skip if no font-family and font-size set. |
| 1037 |
if ( isset( $input_css['font-family'] ) && isset( $input_css['font-size'] ) && 'inherit' !== $input_css['font-family'] ) { |
| 1038 |
// Fix several words in font-family - add quotes. |
| 1039 |
if ( isset( $input_css['font-family'] ) ) { |
| 1040 |
$families = explode( ',', $input_css['font-family'] ); |
| 1041 |
$result_families = array(); |
| 1042 |
foreach ( $families as $family ) { |
| 1043 |
$family = trim( $family ); |
| 1044 |
$len = strlen( $family ); |
| 1045 |
if ( strpos( $family, ' ' ) && |
| 1046 |
! ( ( '"' === $family[0] && '"' === $family[ $len - 1 ] ) || |
| 1047 |
( "'" === $family[0] && "'" === $family[ $len - 1 ] ) ) ) { |
| 1048 |
$family = '"' . $family . '"'; |
| 1049 |
} |
| 1050 |
$result_families[] = $family; |
| 1051 |
} |
| 1052 |
$input_css['font-family'] = implode( ',', $result_families ); |
| 1053 |
} |
| 1054 |
foreach ( $font_prop_default as $font_property => $default_value ) { |
| 1055 |
// Skip if property does not exist. |
| 1056 |
if ( ! isset( $input_css[ $font_property ] ) ) { |
| 1057 |
continue; |
| 1058 |
} |
| 1059 |
|
| 1060 |
$cur_value = $input_css[ $font_property ]; |
| 1061 |
|
| 1062 |
// Skip if default value is used. |
| 1063 |
if ( $cur_value === $default_value ) { |
| 1064 |
continue; |
| 1065 |
} |
| 1066 |
|
| 1067 |
// Remove !important. |
| 1068 |
if ( $this->parser->is_important( $cur_value ) ) { |
| 1069 |
$important = ' !important'; |
| 1070 |
$cur_value = $this->parser->gvw_important( $cur_value ); |
| 1071 |
} |
| 1072 |
|
| 1073 |
$new_font_value .= $cur_value; |
| 1074 |
// Add delimiter. |
| 1075 |
$new_font_value .= ( 'font-size' === $font_property && isset( $input_css['line-height'] ) ) ? '/' : ' '; |
| 1076 |
} |
| 1077 |
|
| 1078 |
$new_font_value = trim( $new_font_value ); |
| 1079 |
|
| 1080 |
// Delete all font properties. |
| 1081 |
foreach ( $font_prop_default as $font_property => $default_value ) { |
| 1082 |
if ( 'font' !== $font_property || ! $new_font_value ) { |
| 1083 |
unset( $input_css[ $font_property ] ); |
| 1084 |
} |
| 1085 |
} |
| 1086 |
|
| 1087 |
// Add new font property. |
| 1088 |
if ( '' !== $new_font_value ) { |
| 1089 |
$input_css['font'] = $new_font_value . $important; |
| 1090 |
} |
| 1091 |
} |
| 1092 |
|
| 1093 |
return $input_css; |
| 1094 |
} |
| 1095 |
|
| 1096 |
} // class TablePress_CSSTidy_optimise |
| 1097 |
|
| 1098 |
/** |
| 1099 |
* Sanitization class |
| 1100 |
*/ |
| 1101 |
class TablePress_CSSTidy_custom_sanitize extends TablePress_CSSTidy_optimise { |
| 1102 |
|
| 1103 |
/** |
| 1104 |
* [$props_w_urls description] |
| 1105 |
* |
| 1106 |
* @since 1.0.0 |
| 1107 |
* @var array |
| 1108 |
*/ |
| 1109 |
protected $props_w_urls = array( 'background', 'background-image', 'list-style', 'list-style-image' ); |
| 1110 |
|
| 1111 |
/** |
| 1112 |
* [$allowed_protocols description] |
| 1113 |
* |
| 1114 |
* @since 1.0.0 |
| 1115 |
* @var array |
| 1116 |
*/ |
| 1117 |
protected $allowed_protocols = array( 'http', 'https' ); |
| 1118 |
|
| 1119 |
/** |
| 1120 |
* [__construct description] |
| 1121 |
* |
| 1122 |
* @since 1.0.0 |
| 1123 |
* |
| 1124 |
* @param [type] $css [description] |
| 1125 |
*/ |
| 1126 |
public function __construct( $css ) { |
| 1127 |
return parent::__construct( $css ); |
| 1128 |
} |
| 1129 |
|
| 1130 |
/** |
| 1131 |
* [postparse description] |
| 1132 |
* |
| 1133 |
* @since 1.0.0 |
| 1134 |
* |
| 1135 |
* @return [type] [description] |
| 1136 |
*/ |
| 1137 |
public function postparse() { |
| 1138 |
if ( ! empty( $this->parser->import ) ) { |
| 1139 |
$this->parser->import = array(); |
| 1140 |
} |
| 1141 |
if ( ! empty( $this->parser->charset ) ) { |
| 1142 |
$this->parser->charset = array(); |
| 1143 |
} |
| 1144 |
|
| 1145 |
return parent::postparse(); |
| 1146 |
} |
| 1147 |
|
| 1148 |
/** |
| 1149 |
* [subvalue description] |
| 1150 |
* |
| 1151 |
* @since 1.0.0 |
| 1152 |
* |
| 1153 |
* @return [type] [description] |
| 1154 |
*/ |
| 1155 |
public function subvalue() { |
| 1156 |
$this->sub_value = trim( $this->sub_value ); |
| 1157 |
|
| 1158 |
// Send any urls through our filter |
| 1159 |
if ( preg_match( '!^\\s*url\\s*(?:\\(|\\\\0028)(.*)(?:\\)|\\\\0029).*$!Dis', $this->sub_value, $matches ) ) { |
| 1160 |
$this->sub_value = $this->clean_url( $matches[1] ); |
| 1161 |
} |
| 1162 |
|
| 1163 |
// Strip any expressions |
| 1164 |
if ( preg_match( '!^\\s*expression!Dis', $this->sub_value ) ) { |
| 1165 |
$this->sub_value = ''; |
| 1166 |
} |
| 1167 |
|
| 1168 |
return parent::subvalue(); |
| 1169 |
} |
| 1170 |
|
| 1171 |
/** |
| 1172 |
* [clean_url description] |
| 1173 |
* |
| 1174 |
* @since 1.0.0 |
| 1175 |
* |
| 1176 |
* @param [type] $url [description] |
| 1177 |
* @return [type] [description] |
| 1178 |
*/ |
| 1179 |
protected function clean_url( $url ) { |
| 1180 |
// Clean up the string. |
| 1181 |
$url = trim( $url, "'\"\r\n " ); |
| 1182 |
|
| 1183 |
// Check against whitelist for properties allowed to have URL values. |
| 1184 |
if ( ! in_array( $this->property, $this->props_w_urls ) ) { |
| 1185 |
return ''; |
| 1186 |
} |
| 1187 |
|
| 1188 |
$url = wp_kses_bad_protocol_once( $url, $this->allowed_protocols ); |
| 1189 |
|
| 1190 |
if ( empty( $url ) ) { |
| 1191 |
return ''; |
| 1192 |
} |
| 1193 |
|
| 1194 |
return "url('$url')"; |
| 1195 |
} |
| 1196 |
|
| 1197 |
} // class TablePress_CSSTidy_custom_sanitize |
| 1198 |
|
