diff options
Diffstat (limited to 'plugins/jetpack/modules/custom-css/csstidy/class.csstidy_optimise.php')
| -rw-r--r-- | plugins/jetpack/modules/custom-css/csstidy/class.csstidy_optimise.php | 943 |
1 files changed, 0 insertions, 943 deletions
diff --git a/plugins/jetpack/modules/custom-css/csstidy/class.csstidy_optimise.php b/plugins/jetpack/modules/custom-css/csstidy/class.csstidy_optimise.php deleted file mode 100644 index 5f4a3843..00000000 --- a/plugins/jetpack/modules/custom-css/csstidy/class.csstidy_optimise.php +++ /dev/null @@ -1,943 +0,0 @@ -<?php - -/** - * CSSTidy - CSS Parser and Optimiser - * - * CSS Optimising Class - * This class optimises CSS data generated by csstidy. - * - * Copyright 2005, 2006, 2007 Florian Schmitz - * - * This file is part of CSSTidy. - * - * CSSTidy is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation; either version 2.1 of the License, or - * (at your option) any later version. - * - * CSSTidy is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this program. If not, see <https://www.gnu.org/licenses/>. - * - * @license https://opensource.org/licenses/lgpl-license.php GNU Lesser General Public License - * @package csstidy - * @author Florian Schmitz (floele at gmail dot com) 2005-2007 - * @author Brett Zamir (brettz9 at yahoo dot com) 2007 - * @author Nikolay Matsievsky (speed at webo dot name) 2009-2010 - */ - -/** - * CSS Optimising Class - * - * This class optimises CSS data generated by csstidy. - * - * @package csstidy - * @author Florian Schmitz (floele at gmail dot com) 2005-2006 - * @version 1.0 - */ -class csstidy_optimise { - /** - * Constructor - * @param array $css contains the class csstidy - * @access private - * @version 1.0 - */ - function __construct(&$css) { - $this->parser = & $css; - $this->css = & $css->css; - $this->sub_value = & $css->sub_value; - $this->at = & $css->at; - $this->selector = & $css->selector; - $this->property = & $css->property; - $this->value = & $css->value; - } - - function csstidy_optimise(&$css) { - $this->__construct($css); - } - - /** - * Optimises $css after parsing - * @access public - * @version 1.0 - */ - function postparse() { - if ($this->parser->get_cfg('preserve_css')) { - return; - } - - if ($this->parser->get_cfg('merge_selectors') === 2) { - foreach ($this->css as $medium => $value) { - $this->merge_selectors($this->css[$medium]); - } - } - - if ($this->parser->get_cfg('discard_invalid_selectors')) { - foreach ($this->css as $medium => $value) { - $this->discard_invalid_selectors($this->css[$medium]); - } - } - - if ($this->parser->get_cfg('optimise_shorthands') > 0) { - foreach ($this->css as $medium => $value) { - foreach ($value as $selector => $value1) { - $this->css[$medium][$selector] = csstidy_optimise::merge_4value_shorthands($this->css[$medium][$selector]); - - if ($this->parser->get_cfg('optimise_shorthands') < 2) { - continue; - } - - $this->css[$medium][$selector] = csstidy_optimise::merge_font($this->css[$medium][$selector]); - - if ($this->parser->get_cfg('optimise_shorthands') < 3) { - continue; - } - - $this->css[$medium][$selector] = csstidy_optimise::merge_bg($this->css[$medium][$selector]); - if (empty($this->css[$medium][$selector])) { - unset($this->css[$medium][$selector]); - } - } - } - } - } - - /** - * Optimises values - * @access public - * @version 1.0 - */ - function value() { - $shorthands = & $GLOBALS['csstidy']['shorthands']; - - // optimise shorthand properties - if (isset($shorthands[$this->property])) { - $temp = csstidy_optimise::shorthand($this->value); // FIXME - move - if ($temp != $this->value) { - $this->parser->log('Optimised shorthand notation (' . $this->property . '): Changed "' . $this->value . '" to "' . $temp . '"', 'Information'); - } - $this->value = $temp; - } - - // Remove whitespace at ! important - if ($this->value != $this->compress_important($this->value)) { - $this->parser->log('Optimised !important', 'Information'); - } - } - - /** - * Optimises shorthands - * @access public - * @version 1.0 - */ - function shorthands() { - $shorthands = & $GLOBALS['csstidy']['shorthands']; - - if (!$this->parser->get_cfg('optimise_shorthands') || $this->parser->get_cfg('preserve_css')) { - return; - } - - if ($this->property === 'font' && $this->parser->get_cfg('optimise_shorthands') > 1) { - $this->css[$this->at][$this->selector]['font']=''; - $this->parser->merge_css_blocks($this->at, $this->selector, csstidy_optimise::dissolve_short_font($this->value)); - } - if ($this->property === 'background' && $this->parser->get_cfg('optimise_shorthands') > 2) { - $this->css[$this->at][$this->selector]['background']=''; - $this->parser->merge_css_blocks($this->at, $this->selector, csstidy_optimise::dissolve_short_bg($this->value)); - } - if (isset($shorthands[$this->property])) { - $this->parser->merge_css_blocks($this->at, $this->selector, csstidy_optimise::dissolve_4value_shorthands($this->property, $this->value)); - if (is_array($shorthands[$this->property])) { - $this->css[$this->at][$this->selector][$this->property] = ''; - } - } - } - - /** - * Optimises a sub-value - * @access public - * @version 1.0 - */ - function subvalue() { - $replace_colors = & $GLOBALS['csstidy']['replace_colors']; - - $this->sub_value = trim($this->sub_value); - if ($this->sub_value == '') { // caution : '0' - return; - } - - $important = ''; - if (csstidy::is_important($this->sub_value)) { - $important = '!important'; - } - $this->sub_value = csstidy::gvw_important($this->sub_value); - - // Compress font-weight - if ($this->property === 'font-weight' && $this->parser->get_cfg('compress_font-weight')) { - if ($this->sub_value === 'bold') { - $this->sub_value = '700'; - $this->parser->log('Optimised font-weight: Changed "bold" to "700"', 'Information'); - } else if ($this->sub_value === 'normal') { - $this->sub_value = '400'; - $this->parser->log('Optimised font-weight: Changed "normal" to "400"', 'Information'); - } - } - - $temp = $this->compress_numbers($this->sub_value); - if (strcasecmp($temp, $this->sub_value) !== 0) { - if (strlen($temp) > strlen($this->sub_value)) { - $this->parser->log('Fixed invalid number: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Warning'); - } else { - $this->parser->log('Optimised number: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Information'); - } - $this->sub_value = $temp; - } - if ($this->parser->get_cfg('compress_colors')) { - $temp = $this->cut_color($this->sub_value); - if ($temp !== $this->sub_value) { - if (isset($replace_colors[$this->sub_value])) { - $this->parser->log('Fixed invalid color name: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Warning'); - } else { - $this->parser->log('Optimised color: Changed "' . $this->sub_value . '" to "' . $temp . '"', 'Information'); - } - $this->sub_value = $temp; - } - } - $this->sub_value .= $important; - } - - /** - * Compresses shorthand values. Example: margin:1px 1px 1px 1px -> margin:1px - * @param string $value - * @access public - * @return string - * @version 1.0 - */ - static function shorthand($value) { - $important = ''; - if (csstidy::is_important($value)) { - $values = csstidy::gvw_important($value); - $important = '!important'; - } - else - $values = $value; - - $values = explode(' ', $values); - switch (count($values)) { - case 4: - if ($values[0] == $values[1] && $values[0] == $values[2] && $values[0] == $values[3]) { - return $values[0] . $important; - } elseif ($values[1] == $values[3] && $values[0] == $values[2]) { - return $values[0] . ' ' . $values[1] . $important; - } elseif ($values[1] == $values[3]) { - return $values[0] . ' ' . $values[1] . ' ' . $values[2] . $important; - } - break; - - case 3: - if ($values[0] == $values[1] && $values[0] == $values[2]) { - return $values[0] . $important; - } elseif ($values[0] == $values[2]) { - return $values[0] . ' ' . $values[1] . $important; - } - break; - - case 2: - if ($values[0] == $values[1]) { - return $values[0] . $important; - } - break; - } - - return $value; - } - - /** - * Removes unnecessary whitespace in ! important - * @param string $string - * @return string - * @access public - * @version 1.1 - */ - function compress_important(&$string) { - if (csstidy::is_important($string)) { - $string = csstidy::gvw_important($string) . ' !important'; } - return $string; - } - - /** - * Color compression function. Converts all rgb() values to #-values and uses the short-form if possible. Also replaces 4 color names by #-values. - * @param string $color - * @return string - * @version 1.1 - */ - function cut_color($color) { - $replace_colors = & $GLOBALS['csstidy']['replace_colors']; - - // rgb(0,0,0) -> #000000 (or #000 in this case later) - if (strtolower(substr($color, 0, 4)) === 'rgb(') { - $color_tmp = substr($color, 4, strlen($color) - 5); - $color_tmp = explode(',', $color_tmp); - for ($i = 0; $i < count($color_tmp); $i++) { - $color_tmp[$i] = trim($color_tmp[$i]); - if (substr($color_tmp[$i], -1) === '%') { - $color_tmp[$i] = round((255 * $color_tmp[$i]) / 100); - } - if ($color_tmp[$i] > 255) - $color_tmp[$i] = 255; - } - $color = '#'; - for ($i = 0; $i < 3; $i++) { - if ($color_tmp[$i] < 16) { - $color .= '0' . dechex($color_tmp[$i]); - } else { - $color .= dechex($color_tmp[$i]); - } - } - } - - // Fix bad color names - if (isset($replace_colors[strtolower($color)])) { - $color = $replace_colors[strtolower($color)]; - } - - // #aabbcc -> #abc - if (strlen($color) == 7) { - $color_temp = strtolower($color); - if ($color_temp[0] === '#' && $color_temp[1] == $color_temp[2] && $color_temp[3] == $color_temp[4] && $color_temp[5] == $color_temp[6]) { - $color = '#' . $color[1] . $color[3] . $color[5]; - } - } - - switch (strtolower($color)) { - /* color name -> hex code */ - case 'black': return '#000'; - case 'fuchsia': return '#f0f'; - case 'white': return '#fff'; - case 'yellow': return '#ff0'; - - /* hex code -> color name */ - case '#800000': return 'maroon'; - case '#ffa500': return 'orange'; - case '#808000': return 'olive'; - case '#800080': return 'purple'; - case '#008000': return 'green'; - case '#000080': return 'navy'; - case '#008080': return 'teal'; - case '#c0c0c0': return 'silver'; - case '#808080': return 'gray'; - case '#f00': return 'red'; - } - - return $color; - } - - /** - * Compresses numbers (ie. 1.0 becomes 1 or 1.100 becomes 1.1 ) - * @param string $subvalue - * @return string - * @version 1.2 - */ - function compress_numbers($subvalue) { - $unit_values = & $GLOBALS['csstidy']['unit_values']; - $color_values = & $GLOBALS['csstidy']['color_values']; - - // for font:1em/1em sans-serif...; - if ($this->property === 'font') { - $temp = explode('/', $subvalue); - } else { - $temp = array($subvalue); - } - for ($l = 0; $l < count($temp); $l++) { - // if we are not dealing with a number at this point, do not optimise anything - $number = $this->AnalyseCssNumber($temp[$l]); - if ($number === false) { - return $subvalue; - } - - // Fix bad colors - if (in_array($this->property, $color_values)) { - if (strlen($temp[$l]) == 3 || strlen($temp[$l]) == 6) { - $temp[$l] = '#' . $temp[$l]; - } - else { - $temp[$l] = "0"; - } - continue; - } - - if (abs($number[0]) > 0) { - if ($number[1] == '' && in_array($this->property, $unit_values, true)) { - $number[1] = 'px'; - } - } else { - $number[1] = ''; - } - - $temp[$l] = $number[0] . $number[1]; - } - - return ((count($temp) > 1) ? $temp[0] . '/' . $temp[1] : $temp[0]); - } - - /** - * Checks if a given string is a CSS valid number. If it is, - * an array containing the value and unit is returned - * @param string $string - * @return array ('unit' if unit is found or '' if no unit exists, number value) or false if no number - */ - function AnalyseCssNumber($string) { - // most simple checks first - if (strlen($string) == 0 || ctype_alpha($string[0])) { - return false; - } - - $units = & $GLOBALS['csstidy']['units']; - $return = array(0, ''); - - $return[0] = (float) $string; - if (abs($return[0]) > 0 && abs($return[0]) < 1) { - // Removes the initial `0` from a decimal number, e.g., `0.7 => .7` or `-0.666 => -.666`. - if ( ! $this->parser->get_cfg( 'preserve_leading_zeros' ) ) { - if ( $return[0] < 0 ) { - $return[0] = '-' . ltrim( substr( $return[0], 1 ), '0' ); - } else { - $return[0] = ltrim( $return[0], '0' ); - } - } - } - - // Look for unit and split from value if exists - foreach ($units as $unit) { - $expectUnitAt = strlen($string) - strlen($unit); - if (!($unitInString = stristr($string, $unit))) { // mb_strpos() fails with "false" - continue; - } - $actualPosition = strpos($string, $unitInString); - if ($expectUnitAt === $actualPosition) { - $return[1] = $unit; - $string = substr($string, 0, - strlen($unit)); - break; - } - } - if (!is_numeric($string)) { - return false; - } - return $return; - } - - /** - * Merges selectors with same properties. Example: a{color:red} b{color:red} -> a,b{color:red} - * Very basic and has at least one bug. Hopefully there is a replacement soon. - * @param array $array - * @return array - * @access public - * @version 1.2 - */ - function merge_selectors(&$array) { - $css = $array; - foreach ($css as $key => $value) { - if (!isset($css[$key])) { - continue; - } - $newsel = ''; - - // Check if properties also exist in another selector - $keys = array(); - // PHP bug (?) without $css = $array; here - foreach ($css as $selector => $vali) { - if ($selector == $key) { - continue; - } - - if ($css[$key] === $vali) { - $keys[] = $selector; - } - } - - if (!empty($keys)) { - $newsel = $key; - unset($css[$key]); - foreach ($keys as $selector) { - unset($css[$selector]); - $newsel .= ',' . $selector; - } - $css[$newsel] = $value; - } - } - $array = $css; - } - - /** - * Removes invalid selectors and their corresponding rule-sets as - * defined by 4.1.7 in REC-CSS2. This is a very rudimentary check - * and should be replaced by a full-blown parsing algorithm or - * regular expression - * @version 1.4 - */ - function discard_invalid_selectors(&$array) { - $invalid = array('+' => true, '~' => true, ',' => true, '>' => true); - foreach ($array as $selector => $decls) { - $ok = true; - $selectors = array_map('trim', explode(',', $selector)); - foreach ($selectors as $s) { - $simple_selectors = preg_split('/\s*[+>~\s]\s*/', $s); - foreach ($simple_selectors as $ss) { - if ($ss === '') - $ok = false; - // could also check $ss for internal structure, - // but that probably would be too slow - } - } - if (!$ok) - unset($array[$selector]); - } - } - - /** - * Dissolves properties like padding:10px 10px 10px to padding-top:10px;padding-bottom:10px;... - * @param string $property - * @param string $value - * @return array - * @version 1.0 - * @see merge_4value_shorthands() - */ - static function dissolve_4value_shorthands($property, $value) { - $shorthands = & $GLOBALS['csstidy']['shorthands']; - if (!is_array($shorthands[$property])) { - $return[$property] = $value; - return $return; - } - - $important = ''; - if (csstidy::is_important($value)) { - $value = csstidy::gvw_important($value); - $important = '!important'; - } - $values = explode(' ', $value); - - - $return = array(); - if (count($values) == 4) { - for ($i = 0; $i < 4; $i++) { - $return[$shorthands[$property][$i]] = $values[$i] . $important; - } - } elseif (count($values) == 3) { - $return[$shorthands[$property][0]] = $values[0] . $important; - $return[$shorthands[$property][1]] = $values[1] . $important; - $return[$shorthands[$property][3]] = $values[1] . $important; - $return[$shorthands[$property][2]] = $values[2] . $important; - } elseif (count($values) == 2) { - for ($i = 0; $i < 4; $i++) { - $return[$shorthands[$property][$i]] = (($i % 2 != 0)) ? $values[1] . $important : $values[0] . $important; - } - } else { - for ($i = 0; $i < 4; $i++) { - $return[$shorthands[$property][$i]] = $values[0] . $important; - } - } - - return $return; - } - - /** - * Explodes a string as explode() does, however, not if $sep is escaped or within a string. - * @param string $sep seperator - * @param string $string - * @return array - * @version 1.0 - */ - static function explode_ws($sep, $string) { - $status = 'st'; - $to = ''; - - $output = array(); - $num = 0; - for ($i = 0, $len = strlen($string); $i < $len; $i++) { - switch ($status) { - case 'st': - if ($string[$i] == $sep && !csstidy::escaped($string, $i)) { - ++$num; - } elseif ($string[$i] === '"' || $string[$i] === '\'' || $string[$i] === '(' && !csstidy::escaped($string, $i)) { - $status = 'str'; - $to = ($string[$i] === '(') ? ')' : $string[$i]; - (isset($output[$num])) ? $output[$num] .= $string[$i] : $output[$num] = $string[$i]; - } else { - (isset($output[$num])) ? $output[$num] .= $string[$i] : $output[$num] = $string[$i]; - } - break; - - case 'str': - if ($string[$i] == $to && !csstidy::escaped($string, $i)) { - $status = 'st'; - } - (isset($output[$num])) ? $output[$num] .= $string[$i] : $output[$num] = $string[$i]; - break; - } - } - - if (isset($output[0])) { - return $output; - } else { - return array($output); - } - } - - /** - * Merges Shorthand properties again, the opposite of dissolve_4value_shorthands() - * @param array $array - * @return array - * @version 1.2 - * @see dissolve_4value_shorthands() - */ - static function merge_4value_shorthands($array) { - $return = $array; - $shorthands = & $GLOBALS['csstidy']['shorthands']; - - foreach ($shorthands as $key => $value) { - if (isset($array[$value[0]]) && isset($array[$value[1]]) - && isset($array[$value[2]]) && isset($array[$value[3]]) && $value !== 0) { - $return[$key] = ''; - - $important = ''; - for ($i = 0; $i < 4; $i++) { - $val = $array[$value[$i]]; - if (csstidy::is_important($val)) { - $important = '!important'; - $return[$key] .= csstidy::gvw_important($val) . ' '; - } else { - $return[$key] .= $val . ' '; - } - unset($return[$value[$i]]); - } - $return[$key] = csstidy_optimise::shorthand(trim($return[$key] . $important)); - } - } - return $return; - } - - /** - * Dissolve background property - * @param string $str_value - * @return array - * @version 1.0 - * @see merge_bg() - * @todo full CSS 3 compliance - */ - static function dissolve_short_bg($str_value) { - $have = array(); - // don't try to explose background gradient ! - if (stripos($str_value, "gradient(")!==FALSE) - return array('background'=>$str_value); - - $background_prop_default = & $GLOBALS['csstidy']['background_prop_default']; - $repeat = array('repeat', 'repeat-x', 'repeat-y', 'no-repeat', 'space'); - $attachment = array('scroll', 'fixed', 'local'); - $clip = array('border', 'padding'); - $origin = array('border', 'padding', 'content'); - $pos = array('top', 'center', 'bottom', 'left', 'right'); - $important = ''; - $return = array('background-image' => null, 'background-size' => null, 'background-repeat' => null, 'background-position' => null, 'background-attachment' => null, 'background-clip' => null, 'background-origin' => null, 'background-color' => null); - - if (csstidy::is_important($str_value)) { - $important = ' !important'; - $str_value = csstidy::gvw_important($str_value); - } - - $str_value = csstidy_optimise::explode_ws(',', $str_value); - for ($i = 0; $i < count($str_value); $i++) { - $have['clip'] = false; - $have['pos'] = false; - $have['color'] = false; - $have['bg'] = false; - - if (is_array($str_value[$i])) { - $str_value[$i] = $str_value[$i][0]; - } - $str_value[$i] = csstidy_optimise::explode_ws(' ', trim($str_value[$i])); - - for ($j = 0; $j < count($str_value[$i]); $j++) { - if ($have['bg'] === false && (substr($str_value[$i][$j], 0, 4) === 'url(' || $str_value[$i][$j] === 'none')) { - $return['background-image'] .= $str_value[$i][$j] . ','; - $have['bg'] = true; - } elseif (in_array($str_value[$i][$j], $repeat, true)) { - $return['background-repeat'] .= $str_value[$i][$j] . ','; - } elseif (in_array($str_value[$i][$j], $attachment, true)) { - $return['background-attachment'] .= $str_value[$i][$j] . ','; - } elseif (in_array($str_value[$i][$j], $clip, true) && !$have['clip']) { - $return['background-clip'] .= $str_value[$i][$j] . ','; - $have['clip'] = true; - } elseif (in_array($str_value[$i][$j], $origin, true)) { - $return['background-origin'] .= $str_value[$i][$j] . ','; - } elseif ($str_value[$i][$j][0] === '(') { - $return['background-size'] .= substr($str_value[$i][$j], 1, -1) . ','; - } elseif (in_array($str_value[$i][$j], $pos, true) || is_numeric($str_value[$i][$j][0]) || $str_value[$i][$j][0] === null || $str_value[$i][$j][0] === '-' || $str_value[$i][$j][0] === '.') { - $return['background-position'] .= $str_value[$i][$j]; - if (!$have['pos']) - $return['background-position'] .= ' '; else - $return['background-position'].= ','; - $have['pos'] = true; - } - elseif (!$have['color']) { - $return['background-color'] .= $str_value[$i][$j] . ','; - $have['color'] = true; - } - } - } - - foreach ($background_prop_default as $bg_prop => $default_value) { - if ($return[$bg_prop] !== null) { - $return[$bg_prop] = substr($return[$bg_prop], 0, -1) . $important; - } - else - $return[$bg_prop] = $default_value . $important; - } - return $return; - } - - /** - * Merges all background properties - * @param array $input_css - * @return array - * @version 1.0 - * @see dissolve_short_bg() - * @todo full CSS 3 compliance - */ - static function merge_bg($input_css) { - $background_prop_default = & $GLOBALS['csstidy']['background_prop_default']; - // Max number of background images. CSS3 not yet fully implemented - $number_of_values = @max(count(csstidy_optimise::explode_ws(',', $input_css['background-image'])), count(csstidy_optimise::explode_ws(',', $input_css['background-color'])), 1); - // Array with background images to check if BG image exists - $bg_img_array = @csstidy_optimise::explode_ws(',', csstidy::gvw_important($input_css['background-image'])); - $new_bg_value = ''; - $important = ''; - - // if background properties is here and not empty, don't try anything - if (isset($input_css['background']) AND $input_css['background']) - return $input_css; - - for ($i = 0; $i < $number_of_values; $i++) { - foreach ($background_prop_default as $bg_property => $default_value) { - // Skip if property does not exist - if (!isset($input_css[$bg_property])) { - continue; - } - - $cur_value = $input_css[$bg_property]; - // skip all optimisation if gradient() somewhere - if (stripos($cur_value, "gradient(")!==FALSE) - return $input_css; - - // Skip some properties if there is no background image - if ((!isset($bg_img_array[$i]) || $bg_img_array[$i] === 'none') - && ($bg_property === 'background-size' || $bg_property === 'background-position' - || $bg_property === 'background-attachment' || $bg_property === 'background-repeat')) { - continue; - } - - // Remove !important - if (csstidy::is_important($cur_value)) { - $important = ' !important'; - $cur_value = csstidy::gvw_important($cur_value); - } - - // Do not add default values - if ($cur_value === $default_value) { - continue; - } - - $temp = csstidy_optimise::explode_ws(',', $cur_value); - - if (isset($temp[$i])) { - if ($bg_property === 'background-size') { - $new_bg_value .= '(' . $temp[$i] . ') '; - } else { - $new_bg_value .= $temp[$i] . ' '; - } - } - } - - $new_bg_value = trim($new_bg_value); - if ($i != $number_of_values - 1) - $new_bg_value .= ','; - } - - // Delete all background-properties - foreach ($background_prop_default as $bg_property => $default_value) { - unset($input_css[$bg_property]); - } - - // Add new background property - if ($new_bg_value !== '') - $input_css['background'] = $new_bg_value . $important; - elseif(isset ($input_css['background'])) - $input_css['background'] = 'none'; - - return $input_css; - } - - /** - * Dissolve font property - * @param string $str_value - * @return array - * @version 1.3 - * @see merge_font() - */ - static function dissolve_short_font($str_value) { - $have = array(); - $font_prop_default = & $GLOBALS['csstidy']['font_prop_default']; - $font_weight = array('normal', 'bold', 'bolder', 'lighter', 100, 200, 300, 400, 500, 600, 700, 800, 900); - $font_variant = array('normal', 'small-caps'); - $font_style = array('normal', 'italic', 'oblique'); - $important = ''; - $return = array('font-style' => null, 'font-variant' => null, 'font-weight' => null, 'font-size' => null, 'line-height' => null, 'font-family' => null); - - if (csstidy::is_important($str_value)) { - $important = '!important'; - $str_value = csstidy::gvw_important($str_value); - } - - $have['style'] = false; - $have['variant'] = false; - $have['weight'] = false; - $have['size'] = false; - // Detects if font-family consists of several words w/o quotes - $multiwords = false; - - // Workaround with multiple font-family - $str_value = csstidy_optimise::explode_ws(',', trim($str_value)); - - $str_value[0] = csstidy_optimise::explode_ws(' ', trim($str_value[0])); - - for ($j = 0; $j < count($str_value[0]); $j++) { - if ($have['weight'] === false && in_array($str_value[0][$j], $font_weight)) { - $return['font-weight'] = $str_value[0][$j]; - $have['weight'] = true; - } elseif ($have['variant'] === false && in_array($str_value[0][$j], $font_variant)) { - $return['font-variant'] = $str_value[0][$j]; - $have['variant'] = true; - } elseif ($have['style'] === false && in_array($str_value[0][$j], $font_style)) { - $return['font-style'] = $str_value[0][$j]; - $have['style'] = true; - } elseif ($have['size'] === false && (is_numeric($str_value[0][$j][0]) || $str_value[0][$j][0] === null || $str_value[0][$j][0] === '.')) { - $size = csstidy_optimise::explode_ws('/', trim($str_value[0][$j])); - $return['font-size'] = $size[0]; - if (isset($size[1])) { - $return['line-height'] = $size[1]; - } else { - $return['line-height'] = ''; // don't add 'normal' ! - } - $have['size'] = true; - } else { - if (isset($return['font-family'])) { - $return['font-family'] .= ' ' . $str_value[0][$j]; - $multiwords = true; - } else { - $return['font-family'] = $str_value[0][$j]; - } - } - } - // add quotes if we have several qords in font-family - if ($multiwords !== false) { - $return['font-family'] = '"' . $return['font-family'] . '"'; - } - $i = 1; - while (isset($str_value[$i])) { - $return['font-family'] .= ',' . trim($str_value[$i]); - $i++; - } - - // Fix for 100 and more font-size - if ($have['size'] === false && isset($return['font-weight']) && - is_numeric($return['font-weight'][0])) { - $return['font-size'] = $return['font-weight']; - unset($return['font-weight']); - } - - foreach ($font_prop_default as $font_prop => $default_value) { - if ($return[$font_prop] !== null) { - $return[$font_prop] = $return[$font_prop] . $important; - } - else - $return[$font_prop] = $default_value . $important; - } - return $return; - } - - /** - * Merges all fonts properties - * @param array $input_css - * @return array - * @version 1.3 - * @see dissolve_short_font() - */ - static function merge_font($input_css) { - $font_prop_default = & $GLOBALS['csstidy']['font_prop_default']; - $new_font_value = ''; - $important = ''; - // Skip if not font-family and font-size set - if (isset($input_css['font-family']) && isset($input_css['font-size'])) { - // fix several words in font-family - add quotes - if (isset($input_css['font-family'])) { - $families = explode(",", $input_css['font-family']); - $result_families = array(); - foreach ($families as $family) { - $family = trim($family); - $len = strlen($family); - if (strpos($family, " ") && - !(($family[0] == '"' && $family[$len - 1] == '"') || - ($family[0] == "'" && $family[$len - 1] == "'"))) { - $family = '"' . $family . '"'; - } - $result_families[] = $family; - } - $input_css['font-family'] = implode(",", $result_families); - } - foreach ($font_prop_default as $font_property => $default_value) { - - // Skip if property does not exist - if (!isset($input_css[$font_property])) { - continue; - } - - $cur_value = $input_css[$font_property]; - - // Skip if default value is used - if ($cur_value === $default_value) { - continue; - } - - // Remove !important - if (csstidy::is_important($cur_value)) { - $important = '!important'; - $cur_value = csstidy::gvw_important($cur_value); - } - - $new_font_value .= $cur_value; - // Add delimiter - $new_font_value .= ( $font_property === 'font-size' && - isset($input_css['line-height'])) ? '/' : ' '; - } - - $new_font_value = trim($new_font_value); - - // Delete all font-properties - foreach ($font_prop_default as $font_property => $default_value) { - if ($font_property!=='font' OR !$new_font_value) - unset($input_css[$font_property]); - } - - // Add new font property - if ($new_font_value !== '') { - $input_css['font'] = $new_font_value . $important; - } - } - - return $input_css; - } - -} |