--- /dev/null
+<?php
+
+/**
+ * CSSTidy - CSS Parser and Optimiser
+ *
+ * CSS Parser class
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ * @license http://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
+ * @author Cedric Morin (cedric at yterium dot com) 2010-2012
+ * @author Christopher Finke (cfinke at gmail.com) 2012
+ * @author Mark Scherer (remove $GLOBALS once and for all + PHP5.4 comp) 2012
+ */
+
+/**
+ * Defines ctype functions if required
+ * @todo make them methods of csstidy class
+ * @version 1.0
+ */
+if (!function_exists('ctype_space')) {
+ /* ctype_space Check for whitespace character(s) */
+ function ctype_space($text) {
+ return!preg_match("/[^\s\r\n\t\f]/", $text);
+ }
+
+}
+if (!function_exists('ctype_alpha')) {
+ /* ctype_alpha Check for alphabetic character(s) */
+ function ctype_alpha($text) {
+ return preg_match("/[a-zA-Z]/", $text);
+ }
+
+}
+
+/**
+ * Defines constants
+ * @todo //TODO: make them class constants of csstidy
+ */
+define('AT_START', 1);
+define('AT_END', 2);
+define('SEL_START', 3);
+define('SEL_END', 4);
+define('PROPERTY', 5);
+define('VALUE', 6);
+define('COMMENT', 7);
+define('DEFAULT_AT', 41);
+
+/**
+ * Contains a class for printing CSS code
+ *
+ * @version 1.0
+ */
+require('class.csstidy_print.php');
+
+/**
+ * Contains a class for optimising CSS code
+ *
+ * @version 1.0
+ */
+require('class.csstidy_optimise.php');
+
+/**
+ * CSS Parser class
+ *
+ * This class represents a CSS parser which reads CSS code and saves it in an array.
+ * In opposite to most other CSS parsers, it does not use regular expressions and
+ * thus has full CSS2 support and a higher reliability.
+ * Additional to that it applies some optimisations and fixes to the CSS code.
+ * An online version should be available here: http://cdburnerxp.se/cssparse/css_optimiser.php
+ * @package csstidy
+ * @author Florian Schmitz (floele at gmail dot com) 2005-2006
+ * @version 1.5.2
+ */
+class csstidy {
+
+ /**
+ * Saves the parsed CSS. This array is empty if preserve_css is on.
+ * @var array
+ * @access public
+ */
+ public $css = array();
+ /**
+ * Saves the parsed CSS (raw)
+ * @var array
+ * @access private
+ */
+ public $tokens = array();
+ /**
+ * Printer class
+ * @see csstidy_print
+ * @var object
+ * @access public
+ */
+ public $print;
+ /**
+ * Optimiser class
+ * @see csstidy_optimise
+ * @var object
+ * @access private
+ */
+ public $optimise;
+ /**
+ * Saves the CSS charset (@charset)
+ * @var string
+ * @access private
+ */
+ public $charset = '';
+ /**
+ * Saves all @import URLs
+ * @var array
+ * @access private
+ */
+ public $import = array();
+ /**
+ * Saves the namespace
+ * @var string
+ * @access private
+ */
+ public $namespace = '';
+ /**
+ * Contains the version of csstidy
+ * @var string
+ * @access private
+ */
+ public $version = '1.5.2';
+ /**
+ * Stores the settings
+ * @var array
+ * @access private
+ */
+ public $settings = array();
+ /**
+ * Saves the parser-status.
+ *
+ * Possible values:
+ * - is = in selector
+ * - ip = in property
+ * - iv = in value
+ * - instr = in string (started at " or ' or ( )
+ * - ic = in comment (ignore everything)
+ * - at = in @-block
+ *
+ * @var string
+ * @access private
+ */
+ public $status = 'is';
+ /**
+ * Saves the current at rule (@media)
+ * @var string
+ * @access private
+ */
+ public $at = '';
+ /**
+ * Saves the at rule for next selector (during @font-face or other @)
+ * @var string
+ * @access private
+ */
+ public $next_selector_at = '';
+
+ /**
+ * Saves the current selector
+ * @var string
+ * @access private
+ */
+ public $selector = '';
+ /**
+ * Saves the current property
+ * @var string
+ * @access private
+ */
+ public $property = '';
+ /**
+ * Saves the position of , in selectors
+ * @var array
+ * @access private
+ */
+ public $sel_separate = array();
+ /**
+ * Saves the current value
+ * @var string
+ * @access private
+ */
+ public $value = '';
+ /**
+ * Saves the current sub-value
+ *
+ * Example for a subvalue:
+ * background:url(foo.png) red no-repeat;
+ * "url(foo.png)", "red", and "no-repeat" are subvalues,
+ * seperated by whitespace
+ * @var string
+ * @access private
+ */
+ public $sub_value = '';
+ /**
+ * Array which saves all subvalues for a property.
+ * @var array
+ * @see sub_value
+ * @access private
+ */
+ public $sub_value_arr = array();
+ /**
+ * Saves the stack of characters that opened the current strings
+ * @var array
+ * @access private
+ */
+ public $str_char = array();
+ public $cur_string = array();
+ /**
+ * Status from which the parser switched to ic or instr
+ * @var array
+ * @access private
+ */
+ public $from = array();
+ /**
+ /**
+ * =true if in invalid at-rule
+ * @var bool
+ * @access private
+ */
+ public $invalid_at = false;
+ /**
+ * =true if something has been added to the current selector
+ * @var bool
+ * @access private
+ */
+ public $added = false;
+ /**
+ * Array which saves the message log
+ * @var array
+ * @access private
+ */
+ public $log = array();
+ /**
+ * Saves the line number
+ * @var integer
+ * @access private
+ */
+ public $line = 1;
+ /**
+ * Marks if we need to leave quotes for a string
+ * @var array
+ * @access private
+ */
+ public $quoted_string = array();
+
+ /**
+ * List of tokens
+ * @var string
+ */
+ public $tokens_list = "";
+
+ /**
+ * Various CSS Data for CSSTidy
+ * @var array
+ */
+ public $data = array();
+
+ /**
+ * Loads standard template and sets default settings
+ * @access private
+ * @version 1.3
+ */
+ public function __construct() {
+ $data = array();
+ include('data.inc.php');
+ $this->data = $data;
+
+ $this->settings['remove_bslash'] = true;
+ $this->settings['compress_colors'] = true;
+ $this->settings['compress_font-weight'] = true;
+ $this->settings['lowercase_s'] = false;
+ /*
+ 1 common shorthands optimization
+ 2 + font property optimization
+ 3 + background property optimization
+ */
+ $this->settings['optimise_shorthands'] = 1;
+ $this->settings['remove_last_;'] = true;
+ /* rewrite all properties with low case, better for later gzip OK, safe*/
+ $this->settings['case_properties'] = 1;
+ /* sort properties in alpabetic order, better for later gzip
+ * but can cause trouble in case of overiding same propertie or using hack
+ */
+ $this->settings['sort_properties'] = false;
+ /*
+ 1, 3, 5, etc -- enable sorting selectors inside @media: a{}b{}c{}
+ 2, 5, 8, etc -- enable sorting selectors inside one CSS declaration: a,b,c{}
+ preserve order by default cause it can break functionnality
+ */
+ $this->settings['sort_selectors'] = 0;
+ /* is dangeroues to be used: CSS is broken sometimes */
+ $this->settings['merge_selectors'] = 0;
+ /* preserve or not browser hacks */
+ $this->settings['discard_invalid_selectors'] = false;
+ $this->settings['discard_invalid_properties'] = false;
+ $this->settings['css_level'] = 'CSS3.0';
+ $this->settings['preserve_css'] = false;
+ $this->settings['timestamp'] = false;
+ $this->settings['template'] = ''; // say that propertie exist
+ $this->set_cfg('template','default'); // call load_template
+ $this->optimise = new csstidy_optimise($this);
+
+ $this->tokens_list = & $this->data['csstidy']['tokens'];
+ }
+
+ /**
+ * Get the value of a setting.
+ * @param string $setting
+ * @access public
+ * @return mixed
+ * @version 1.0
+ */
+ public function get_cfg($setting) {
+ if (isset($this->settings[$setting])) {
+ return $this->settings[$setting];
+ }
+ return false;
+ }
+
+ /**
+ * Load a template
+ * @param string $template used by set_cfg to load a template via a configuration setting
+ * @access private
+ * @version 1.4
+ */
+ public function _load_template($template) {
+ switch ($template) {
+ case 'default':
+ $this->load_template('default');
+ break;
+
+ case 'highest':
+ $this->load_template('highest_compression');
+ break;
+
+ case 'high':
+ $this->load_template('high_compression');
+ break;
+
+ case 'low':
+ $this->load_template('low_compression');
+ break;
+
+ default:
+ $this->load_template($template);
+ break;
+ }
+ }
+
+ /**
+ * Set the value of a setting.
+ * @param string $setting
+ * @param mixed $value
+ * @access public
+ * @return bool
+ * @version 1.0
+ */
+ public function set_cfg($setting, $value=null) {
+ if (is_array($setting) && $value === null) {
+ foreach ($setting as $setprop => $setval) {
+ $this->settings[$setprop] = $setval;
+ }
+ if (array_key_exists('template', $setting)) {
+ $this->_load_template($this->settings['template']);
+ }
+ return true;
+ } elseif (isset($this->settings[$setting]) && $value !== '') {
+ $this->settings[$setting] = $value;
+ if ($setting === 'template') {
+ $this->_load_template($this->settings['template']);
+ }
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Adds a token to $this->tokens
+ * @param mixed $type
+ * @param string $data
+ * @param bool $do add a token even if preserve_css is off
+ * @access private
+ * @version 1.0
+ */
+ public function _add_token($type, $data, $do = false) {
+ if ($this->get_cfg('preserve_css') || $do) {
+ $this->tokens[] = array($type, ($type == COMMENT) ? $data : trim($data));
+ }
+ }
+
+ /**
+ * Add a message to the message log
+ * @param string $message
+ * @param string $type
+ * @param integer $line
+ * @access private
+ * @version 1.0
+ */
+ public function log($message, $type, $line = -1) {
+ if ($line === -1) {
+ $line = $this->line;
+ }
+ $line = intval($line);
+ $add = array('m' => $message, 't' => $type);
+ if (!isset($this->log[$line]) || !in_array($add, $this->log[$line])) {
+ $this->log[$line][] = $add;
+ }
+ }
+
+ /**
+ * Parse unicode notations and find a replacement character
+ * @param string $string
+ * @param integer $i
+ * @access private
+ * @return string
+ * @version 1.2
+ */
+ public function _unicode(&$string, &$i) {
+ ++$i;
+ $add = '';
+ $replaced = false;
+
+ while ($i < strlen($string) && (ctype_xdigit($string{$i}) || ctype_space($string{$i})) && strlen($add) < 6) {
+ $add .= $string{$i};
+
+ if (ctype_space($string{$i})) {
+ break;
+ }
+ $i++;
+ }
+
+ if (hexdec($add) > 47 && hexdec($add) < 58 || hexdec($add) > 64 && hexdec($add) < 91 || hexdec($add) > 96 && hexdec($add) < 123) {
+ $this->log('Replaced unicode notation: Changed \\' . $add . ' to ' . chr(hexdec($add)), 'Information');
+ $add = chr(hexdec($add));
+ $replaced = true;
+ } else {
+ $add = trim('\\' . $add);
+ }
+
+ if (@ctype_xdigit($string{$i + 1}) && ctype_space($string{$i})
+ && !$replaced || !ctype_space($string{$i})) {
+ $i--;
+ }
+
+ if ($add !== '\\' || !$this->get_cfg('remove_bslash') || strpos($this->tokens_list, $string{$i + 1}) !== false) {
+ return $add;
+ }
+
+ if ($add === '\\') {
+ $this->log('Removed unnecessary backslash', 'Information');
+ }
+ return '';
+ }
+
+ /**
+ * Write formatted output to a file
+ * @param string $filename
+ * @param string $doctype when printing formatted, is a shorthand for the document type
+ * @param bool $externalcss when printing formatted, indicates whether styles to be attached internally or as an external stylesheet
+ * @param string $title when printing formatted, is the title to be added in the head of the document
+ * @param string $lang when printing formatted, gives a two-letter language code to be added to the output
+ * @access public
+ * @version 1.4
+ */
+ public function write_page($filename, $doctype='xhtml1.1', $externalcss=true, $title='', $lang='en') {
+ $this->write($filename, true);
+ }
+
+ /**
+ * Write plain output to a file
+ * @param string $filename
+ * @param bool $formatted whether to print formatted or not
+ * @param string $doctype when printing formatted, is a shorthand for the document type
+ * @param bool $externalcss when printing formatted, indicates whether styles to be attached internally or as an external stylesheet
+ * @param string $title when printing formatted, is the title to be added in the head of the document
+ * @param string $lang when printing formatted, gives a two-letter language code to be added to the output
+ * @param bool $pre_code whether to add pre and code tags around the code (for light HTML formatted templates)
+ * @access public
+ * @version 1.4
+ */
+ public function write($filename, $formatted=false, $doctype='xhtml1.1', $externalcss=true, $title='', $lang='en', $pre_code=true) {
+ $filename .= ( $formatted) ? '.xhtml' : '.css';
+
+ if (!is_dir('temp')) {
+ $madedir = mkdir('temp');
+ if (!$madedir) {
+ print 'Could not make directory "temp" in ' . dirname(__FILE__);
+ exit;
+ }
+ }
+ $handle = fopen('temp/' . $filename, 'w');
+ if ($handle) {
+ if (!$formatted) {
+ fwrite($handle, $this->print->plain());
+ } else {
+ fwrite($handle, $this->print->formatted_page($doctype, $externalcss, $title, $lang, $pre_code));
+ }
+ }
+ fclose($handle);
+ }
+
+ /**
+ * Loads a new template
+ * @param string $content either filename (if $from_file == true), content of a template file, "high_compression", "highest_compression", "low_compression", or "default"
+ * @param bool $from_file uses $content as filename if true
+ * @access public
+ * @version 1.1
+ * @see http://csstidy.sourceforge.net/templates.php
+ */
+ public function load_template($content, $from_file=true) {
+ $predefined_templates = & $this->data['csstidy']['predefined_templates'];
+ if ($content === 'high_compression' || $content === 'default' || $content === 'highest_compression' || $content === 'low_compression') {
+ $this->template = $predefined_templates[$content];
+ return;
+ }
+
+
+ if ($from_file) {
+ $content = strip_tags(file_get_contents($content), '<span>');
+ }
+ $content = str_replace("\r\n", "\n", $content); // Unify newlines (because the output also only uses \n)
+ $template = explode('|', $content);
+
+ for ($i = 0; $i < count($template); $i++) {
+ $this->template[$i] = $template[$i];
+ }
+ }
+
+ /**
+ * Starts parsing from URL
+ * @param string $url
+ * @access public
+ * @version 1.0
+ */
+ public function parse_from_url($url) {
+ return $this->parse(@file_get_contents($url));
+ }
+
+ /**
+ * Checks if there is a token at the current position
+ * @param string $string
+ * @param integer $i
+ * @access public
+ * @version 1.11
+ */
+ public function is_token(&$string, $i) {
+ return (strpos($this->tokens_list, $string{$i}) !== false && !$this->escaped($string, $i));
+ }
+
+ /**
+ * Parses CSS in $string. The code is saved as array in $this->css
+ * @param string $string the CSS code
+ * @access public
+ * @return bool
+ * @version 1.1
+ */
+ public function parse($string) {
+ // Temporarily set locale to en_US in order to handle floats properly
+ $old = @setlocale(LC_ALL, 0);
+ @setlocale(LC_ALL, 'C');
+
+ // PHP bug? Settings need to be refreshed in PHP4
+ $this->print = new csstidy_print($this);
+ $this->optimise = new csstidy_optimise($this);
+
+ $all_properties = & $this->data['csstidy']['all_properties'];
+ $at_rules = & $this->data['csstidy']['at_rules'];
+ $quoted_string_properties = & $this->data['csstidy']['quoted_string_properties'];
+
+ $this->css = array();
+ $this->print->input_css = $string;
+ $string = str_replace("\r\n", "\n", $string) . ' ';
+ $cur_comment = '';
+
+ for ($i = 0, $size = strlen($string); $i < $size; $i++) {
+ if ($string{$i} === "\n" || $string{$i} === "\r") {
+ ++$this->line;
+ }
+
+ switch ($this->status) {
+ /* Case in at-block */
+ case 'at':
+ if ($this->is_token($string, $i)) {
+ if ($string{$i} === '/' && @$string{$i + 1} === '*') {
+ $this->status = 'ic';
+ ++$i;
+ $this->from[] = 'at';
+ } elseif ($string{$i} === '{') {
+ $this->status = 'is';
+ $this->at = $this->css_new_media_section($this->at);
+ $this->_add_token(AT_START, $this->at);
+ } elseif ($string{$i} === ',') {
+ $this->at = trim($this->at) . ',';
+ } elseif ($string{$i} === '\\') {
+ $this->at .= $this->_unicode($string, $i);
+ }
+ // fix for complicated media, i.e @media screen and (-webkit-min-device-pixel-ratio:1.5)
+ elseif (in_array($string{$i}, array('(', ')', ':', '.'))) {
+ $this->at .= $string{$i};
+ }
+ } else {
+ $lastpos = strlen($this->at) - 1;
+ if (!( (ctype_space($this->at{$lastpos}) || $this->is_token($this->at, $lastpos) && $this->at{$lastpos} === ',') && ctype_space($string{$i}))) {
+ $this->at .= $string{$i};
+ }
+ }
+ break;
+
+ /* Case in-selector */
+ case 'is':
+ if ($this->is_token($string, $i)) {
+ if ($string{$i} === '/' && @$string{$i + 1} === '*' && trim($this->selector) == '') {
+ $this->status = 'ic';
+ ++$i;
+ $this->from[] = 'is';
+ } elseif ($string{$i} === '@' && trim($this->selector) == '') {
+ // Check for at-rule
+ $this->invalid_at = true;
+ foreach ($at_rules as $name => $type) {
+ if (!strcasecmp(substr($string, $i + 1, strlen($name)), $name)) {
+ ($type === 'at') ? $this->at = '@' . $name : $this->selector = '@' . $name;
+ if ($type === 'atis') {
+ $this->next_selector_at = ($this->next_selector_at?$this->next_selector_at:($this->at?$this->at:DEFAULT_AT));
+ $this->at = $this->css_new_media_section(' ');
+ $type = 'is';
+ }
+ $this->status = $type;
+ $i += strlen($name);
+ $this->invalid_at = false;
+ }
+ }
+
+ if ($this->invalid_at) {
+ $this->selector = '@';
+ $invalid_at_name = '';
+ for ($j = $i + 1; $j < $size; ++$j) {
+ if (!ctype_alpha($string{$j})) {
+ break;
+ }
+ $invalid_at_name .= $string{$j};
+ }
+ $this->log('Invalid @-rule: ' . $invalid_at_name . ' (removed)', 'Warning');
+ }
+ } elseif (($string{$i} === '"' || $string{$i} === "'")) {
+ $this->cur_string[] = $string{$i};
+ $this->status = 'instr';
+ $this->str_char[] = $string{$i};
+ $this->from[] = 'is';
+ /* fixing CSS3 attribute selectors, i.e. a[href$=".mp3" */
+ $this->quoted_string[] = ($string{$i - 1} === '=' );
+ } elseif ($this->invalid_at && $string{$i} === ';') {
+ $this->invalid_at = false;
+ $this->status = 'is';
+ if ($this->next_selector_at) {
+ $this->at = $this->css_new_media_section($this->next_selector_at);
+ $this->next_selector_at = '';
+ }
+ } elseif ($string{$i} === '{') {
+ $this->status = 'ip';
+ if ($this->at == '') {
+ $this->at = $this->css_new_media_section(DEFAULT_AT);
+ }
+ $this->selector = $this->css_new_selector($this->at,$this->selector);
+ $this->_add_token(SEL_START, $this->selector);
+ $this->added = false;
+ } elseif ($string{$i} === '}') {
+ $this->_add_token(AT_END, $this->at);
+ $this->at = '';
+ $this->selector = '';
+ $this->sel_separate = array();
+ } elseif ($string{$i} === ',') {
+ $this->selector = trim($this->selector) . ',';
+ $this->sel_separate[] = strlen($this->selector);
+ } elseif ($string{$i} === '\\') {
+ $this->selector .= $this->_unicode($string, $i);
+ } elseif ($string{$i} === '*' && @in_array($string{$i + 1}, array('.', '#', '[', ':'))) {
+ // remove unnecessary universal selector, FS#147
+ } else {
+ $this->selector .= $string{$i};
+ }
+ } else {
+ $lastpos = strlen($this->selector) - 1;
+ if ($lastpos == -1 || !( (ctype_space($this->selector{$lastpos}) || $this->is_token($this->selector, $lastpos) && $this->selector{$lastpos} === ',') && ctype_space($string{$i}))) {
+ $this->selector .= $string{$i};
+ }
+ }
+ break;
+
+ /* Case in-property */
+ case 'ip':
+ if ($this->is_token($string, $i)) {
+ if (($string{$i} === ':' || $string{$i} === '=') && $this->property != '') {
+ $this->status = 'iv';
+ if (!$this->get_cfg('discard_invalid_properties') || $this->property_is_valid($this->property)) {
+ $this->property = $this->css_new_property($this->at,$this->selector,$this->property);
+ $this->_add_token(PROPERTY, $this->property);
+ }
+ } elseif ($string{$i} === '/' && @$string{$i + 1} === '*' && $this->property == '') {
+ $this->status = 'ic';
+ ++$i;
+ $this->from[] = 'ip';
+ } elseif ($string{$i} === '}') {
+ $this->explode_selectors();
+ $this->status = 'is';
+ $this->invalid_at = false;
+ $this->_add_token(SEL_END, $this->selector);
+ $this->selector = '';
+ $this->property = '';
+ if ($this->next_selector_at) {
+ $this->at = $this->css_new_media_section($this->next_selector_at);
+ $this->next_selector_at = '';
+ }
+ } elseif ($string{$i} === ';') {
+ $this->property = '';
+ } elseif ($string{$i} === '\\') {
+ $this->property .= $this->_unicode($string, $i);
+ }
+ // else this is dumb IE a hack, keep it
+ // including //
+ elseif (($this->property === '' && !ctype_space($string{$i}))
+ || ($this->property === '/' || $string{$i} === '/')) {
+ $this->property .= $string{$i};
+ }
+ } elseif (!ctype_space($string{$i})) {
+ $this->property .= $string{$i};
+ }
+ break;
+
+ /* Case in-value */
+ case 'iv':
+ $pn = (($string{$i} === "\n" || $string{$i} === "\r") && $this->property_is_next($string, $i + 1) || $i == strlen($string) - 1);
+ if ($this->is_token($string, $i) || $pn) {
+ if ($string{$i} === '/' && @$string{$i + 1} === '*') {
+ $this->status = 'ic';
+ ++$i;
+ $this->from[] = 'iv';
+ } elseif (($string{$i} === '"' || $string{$i} === "'" || $string{$i} === '(')) {
+ $this->cur_string[] = $string{$i};
+ $this->str_char[] = ($string{$i} === '(') ? ')' : $string{$i};
+ $this->status = 'instr';
+ $this->from[] = 'iv';
+ $this->quoted_string[] = in_array(strtolower($this->property), $quoted_string_properties);
+ } elseif ($string{$i} === ',') {
+ $this->sub_value = trim($this->sub_value) . ',';
+ } elseif ($string{$i} === '\\') {
+ $this->sub_value .= $this->_unicode($string, $i);
+ } elseif ($string{$i} === ';' || $pn) {
+ if ($this->selector{0} === '@' && isset($at_rules[substr($this->selector, 1)]) && $at_rules[substr($this->selector, 1)] === 'iv') {
+ /* Add quotes to charset, import, namespace */
+ $this->sub_value_arr[] = trim($this->sub_value);
+
+ $this->status = 'is';
+
+ switch ($this->selector) {
+ case '@charset': $this->charset = '"'.$this->sub_value_arr[0].'"';
+ break;
+ case '@namespace': $this->namespace = implode(' ', $this->sub_value_arr);
+ break;
+ case '@import': $this->import[] = implode(' ', $this->sub_value_arr);
+ break;
+ }
+
+ $this->sub_value_arr = array();
+ $this->sub_value = '';
+ $this->selector = '';
+ $this->sel_separate = array();
+ } else {
+ $this->status = 'ip';
+ }
+ } elseif ($string{$i} !== '}') {
+ $this->sub_value .= $string{$i};
+ }
+ if (($string{$i} === '}' || $string{$i} === ';' || $pn) && !empty($this->selector)) {
+ if ($this->at == '') {
+ $this->at = $this->css_new_media_section(DEFAULT_AT);
+ }
+
+ // case settings
+ if ($this->get_cfg('lowercase_s')) {
+ $this->selector = strtolower($this->selector);
+ }
+ $this->property = strtolower($this->property);
+
+ $this->optimise->subvalue();
+ if ($this->sub_value != '') {
+ $this->sub_value_arr[] = $this->sub_value;
+ $this->sub_value = '';
+ }
+
+ $this->value = '';
+ while (count($this->sub_value_arr)) {
+ $sub = array_shift($this->sub_value_arr);
+ if (strstr($this->selector, 'font-face')) {
+ $sub = $this->quote_font_format($sub);
+ }
+
+ if ($sub != '')
+ $this->value .= ((!strlen($this->value) || substr($this->value,-1,1) === ',')?'':' ').$sub;
+ }
+
+ $this->optimise->value();
+
+ $valid = $this->property_is_valid($this->property);
+ if ((!$this->invalid_at || $this->get_cfg('preserve_css')) && (!$this->get_cfg('discard_invalid_properties') || $valid)) {
+ $this->css_add_property($this->at, $this->selector, $this->property, $this->value);
+ $this->_add_token(VALUE, $this->value);
+ $this->optimise->shorthands();
+ }
+ if (!$valid) {
+ if ($this->get_cfg('discard_invalid_properties')) {
+ $this->log('Removed invalid property: ' . $this->property, 'Warning');
+ } else {
+ $this->log('Invalid property in ' . strtoupper($this->get_cfg('css_level')) . ': ' . $this->property, 'Warning');
+ }
+ }
+
+ $this->property = '';
+ $this->sub_value_arr = array();
+ $this->value = '';
+ }
+ if ($string{$i} === '}') {
+ $this->explode_selectors();
+ $this->_add_token(SEL_END, $this->selector);
+ $this->status = 'is';
+ $this->invalid_at = false;
+ $this->selector = '';
+ if ($this->next_selector_at) {
+ $this->at = $this->css_new_media_section($this->next_selector_at);
+ $this->next_selector_at = '';
+ }
+ }
+ } elseif (!$pn) {
+ $this->sub_value .= $string{$i};
+
+ if (ctype_space($string{$i})) {
+ $this->optimise->subvalue();
+ if ($this->sub_value != '') {
+ $this->sub_value_arr[] = $this->sub_value;
+ $this->sub_value = '';
+ }
+ }
+ }
+ break;
+
+ /* Case in string */
+ case 'instr':
+ $_str_char = $this->str_char[count($this->str_char)-1];
+ $_cur_string = $this->cur_string[count($this->cur_string)-1];
+ $_quoted_string = $this->quoted_string[count($this->quoted_string)-1];
+ $temp_add = $string{$i};
+
+ // Add another string to the stack. Strings can't be nested inside of quotes, only parentheses, but
+ // parentheticals can be nested more than once.
+ if ($_str_char === ")" && ($string{$i} === "(" || $string{$i} === '"' || $string{$i} === '\'') && !$this->escaped($string, $i)) {
+ $this->cur_string[] = $string{$i};
+ $this->str_char[] = $string{$i} === '(' ? ')' : $string{$i};
+ $this->from[] = 'instr';
+ $this->quoted_string[] = ($_str_char === ')' && $string{$i} !== '(' && trim($_cur_string)==='(')?$_quoted_string:!($string{$i} === '(');
+ continue;
+ }
+
+ if ($_str_char !== ")" && ($string{$i} === "\n" || $string{$i} === "\r") && !($string{$i - 1} === '\\' && !$this->escaped($string, $i - 1))) {
+ $temp_add = "\\A";
+ $this->log('Fixed incorrect newline in string', 'Warning');
+ }
+
+ $_cur_string .= $temp_add;
+
+ if ($string{$i} === $_str_char && !$this->escaped($string, $i)) {
+ $this->status = array_pop($this->from);
+
+ if (!preg_match('|[' . implode('', $this->data['csstidy']['whitespace']) . ']|uis', $_cur_string) && $this->property !== 'content') {
+ if (!$_quoted_string) {
+ if ($_str_char !== ')') {
+ // Convert properties like
+ // font-family: 'Arial';
+ // to
+ // font-family: Arial;
+ // or
+ // url("abc")
+ // to
+ // url(abc)
+ $_cur_string = substr($_cur_string, 1, -1);
+ }
+ } else {
+ $_quoted_string = false;
+ }
+ }
+
+ array_pop($this->cur_string);
+ array_pop($this->quoted_string);
+ array_pop($this->str_char);
+
+ if ($_str_char === ')') {
+ $_cur_string = '(' . trim(substr($_cur_string, 1, -1)) . ')';
+ }
+
+ if ($this->status === 'iv') {
+ if (!$_quoted_string) {
+ if (strpos($_cur_string,',') !== false)
+ // we can on only remove space next to ','
+ $_cur_string = implode(',', array_map('trim', explode(',',$_cur_string)));
+ // and multiple spaces (too expensive)
+ if (strpos($_cur_string, ' ') !== false)
+ $_cur_string = preg_replace(",\s+,", ' ', $_cur_string);
+ }
+ $this->sub_value .= $_cur_string;
+ } elseif ($this->status === 'is') {
+ $this->selector .= $_cur_string;
+ } elseif ($this->status === 'instr') {
+ $this->cur_string[count($this->cur_string)-1] .= $_cur_string;
+ }
+ } else {
+ $this->cur_string[count($this->cur_string)-1] = $_cur_string;
+ }
+ break;
+
+ /* Case in-comment */
+ case 'ic':
+ if ($string{$i} === '*' && $string{$i + 1} === '/') {
+ $this->status = array_pop($this->from);
+ $i++;
+ $this->_add_token(COMMENT, $cur_comment);
+ $cur_comment = '';
+ } else {
+ $cur_comment .= $string{$i};
+ }
+ break;
+ }
+ }
+
+ $this->optimise->postparse();
+
+ $this->print->_reset();
+
+ @setlocale(LC_ALL, $old); // Set locale back to original setting
+
+ return!(empty($this->css) && empty($this->import) && empty($this->charset) && empty($this->tokens) && empty($this->namespace));
+ }
+
+
+ /**
+ * format() in font-face needs quoted values for somes browser (FF at least)
+ *
+ * @param $value
+ * @return string
+ */
+ public function quote_font_format($value) {
+ if (strncmp($value,'format',6) == 0) {
+ $p = strpos($value,')',7);
+ $end = substr($value,$p);
+ $format_strings = $this->parse_string_list(substr($value, 7, $p-7));
+ if (!$format_strings) {
+ $value = '';
+ } else {
+ $value = 'format(';
+
+ foreach ($format_strings as $format_string) {
+ $value .= '"' . str_replace('"', '\\"', $format_string) . '",';
+ }
+
+ $value = substr($value, 0, -1) . $end;
+ }
+ }
+ return $value;
+ }
+
+ /**
+ * Explodes selectors
+ * @access private
+ * @version 1.0
+ */
+ public function explode_selectors() {
+ // Explode multiple selectors
+ if ($this->get_cfg('merge_selectors') === 1) {
+ $new_sels = array();
+ $lastpos = 0;
+ $this->sel_separate[] = strlen($this->selector);
+ foreach ($this->sel_separate as $num => $pos) {
+ if ($num == count($this->sel_separate) - 1) {
+ $pos += 1;
+ }
+
+ $new_sels[] = substr($this->selector, $lastpos, $pos - $lastpos - 1);
+ $lastpos = $pos;
+ }
+
+ if (count($new_sels) > 1) {
+ foreach ($new_sels as $selector) {
+ if (isset($this->css[$this->at][$this->selector])) {
+ $this->merge_css_blocks($this->at, $selector, $this->css[$this->at][$this->selector]);
+ }
+ }
+ unset($this->css[$this->at][$this->selector]);
+ }
+ }
+ $this->sel_separate = array();
+ }
+
+ /**
+ * Checks if a character is escaped (and returns true if it is)
+ * @param string $string
+ * @param integer $pos
+ * @access public
+ * @return bool
+ * @version 1.02
+ */
+ static function escaped(&$string, $pos) {
+ return!(@($string{$pos - 1} !== '\\') || csstidy::escaped($string, $pos - 1));
+ }
+
+ /**
+ * Adds a property with value to the existing CSS code
+ * @param string $media
+ * @param string $selector
+ * @param string $property
+ * @param string $new_val
+ * @access private
+ * @version 1.2
+ */
+ public function css_add_property($media, $selector, $property, $new_val) {
+ if ($this->get_cfg('preserve_css') || trim($new_val) == '') {
+ return;
+ }
+
+ $this->added = true;
+ if (isset($this->css[$media][$selector][$property])) {
+ if (($this->is_important($this->css[$media][$selector][$property]) && $this->is_important($new_val)) || !$this->is_important($this->css[$media][$selector][$property])) {
+ $this->css[$media][$selector][$property] = trim($new_val);
+ }
+ } else {
+ $this->css[$media][$selector][$property] = trim($new_val);
+ }
+ }
+
+ /**
+ * Start a new media section.
+ * Check if the media is not already known,
+ * else rename it with extra spaces
+ * to avoid merging
+ *
+ * @param string $media
+ * @return string
+ */
+ public function css_new_media_section($media) {
+ if ($this->get_cfg('preserve_css')) {
+ return $media;
+ }
+
+ // if the last @media is the same as this
+ // keep it
+ if (!$this->css || !is_array($this->css) || empty($this->css)) {
+ return $media;
+ }
+ end($this->css);
+ list($at,) = each($this->css);
+ if ($at == $media) {
+ return $media;
+ }
+ while (isset($this->css[$media]))
+ if (is_numeric($media))
+ $media++;
+ else
+ $media .= ' ';
+ return $media;
+ }
+
+ /**
+ * Start a new selector.
+ * If already referenced in this media section,
+ * rename it with extra space to avoid merging
+ * except if merging is required,
+ * or last selector is the same (merge siblings)
+ *
+ * never merge @font-face
+ *
+ * @param string $media
+ * @param string $selector
+ * @return string
+ */
+ public function css_new_selector($media,$selector) {
+ if ($this->get_cfg('preserve_css')) {
+ return $selector;
+ }
+ $selector = trim($selector);
+ if (strncmp($selector,'@font-face',10)!=0) {
+ if ($this->settings['merge_selectors'] != false)
+ return $selector;
+
+ if (!$this->css || !isset($this->css[$media]) || !$this->css[$media])
+ return $selector;
+
+ // if last is the same, keep it
+ end($this->css[$media]);
+ list($sel,) = each($this->css[$media]);
+ if ($sel == $selector) {
+ return $selector;
+ }
+ }
+
+ while (isset($this->css[$media][$selector]))
+ $selector .= ' ';
+ return $selector;
+ }
+
+ /**
+ * Start a new propertie.
+ * If already references in this selector,
+ * rename it with extra space to avoid override
+ *
+ * @param string $media
+ * @param string $selector
+ * @param string $property
+ * @return string
+ */
+ public function css_new_property($media, $selector, $property) {
+ if ($this->get_cfg('preserve_css')) {
+ return $property;
+ }
+ if (!$this->css || !isset($this->css[$media][$selector]) || !$this->css[$media][$selector])
+ return $property;
+
+ while (isset($this->css[$media][$selector][$property]))
+ $property .= ' ';
+
+ return $property;
+ }
+
+ /**
+ * Adds CSS to an existing media/selector
+ * @param string $media
+ * @param string $selector
+ * @param array $css_add
+ * @access private
+ * @version 1.1
+ */
+ public function merge_css_blocks($media, $selector, $css_add) {
+ foreach ($css_add as $property => $value) {
+ $this->css_add_property($media, $selector, $property, $value, false);
+ }
+ }
+
+ /**
+ * Checks if $value is !important.
+ * @param string $value
+ * @return bool
+ * @access public
+ * @version 1.0
+ */
+ public function is_important(&$value) {
+ return (
+ strpos($value, '!') !== false // quick test
+ AND !strcasecmp(substr(str_replace($this->data['csstidy']['whitespace'], '', $value), -10, 10), '!important'));
+ }
+
+ /**
+ * Returns a value without !important
+ * @param string $value
+ * @return string
+ * @access public
+ * @version 1.0
+ */
+ public function gvw_important($value) {
+ if ($this->is_important($value)) {
+ $value = trim($value);
+ $value = substr($value, 0, -9);
+ $value = trim($value);
+ $value = substr($value, 0, -1);
+ $value = trim($value);
+ return $value;
+ }
+ return $value;
+ }
+
+ /**
+ * Checks if the next word in a string from pos is a CSS property
+ * @param string $istring
+ * @param integer $pos
+ * @return bool
+ * @access private
+ * @version 1.2
+ */
+ public function property_is_next($istring, $pos) {
+ $all_properties = & $this->data['csstidy']['all_properties'];
+ $istring = substr($istring, $pos, strlen($istring) - $pos);
+ $pos = strpos($istring, ':');
+ if ($pos === false) {
+ return false;
+ }
+ $istring = strtolower(trim(substr($istring, 0, $pos)));
+ if (isset($all_properties[$istring])) {
+ $this->log('Added semicolon to the end of declaration', 'Warning');
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Checks if a property is valid
+ * @param string $property
+ * @return bool;
+ * @access public
+ * @version 1.0
+ */
+ public function property_is_valid($property) {
+ if (in_array(trim($property), $this->data['csstidy']['multiple_properties'])) $property = trim($property);
+ $all_properties = & $this->data['csstidy']['all_properties'];
+ return (isset($all_properties[$property]) && strpos($all_properties[$property], strtoupper($this->get_cfg('css_level'))) !== false );
+ }
+
+ /**
+ * Accepts a list of strings (e.g., the argument to format() in a @font-face src property)
+ * and returns a list of the strings. Converts things like:
+ *
+ * format(abc) => format("abc")
+ * format(abc def) => format("abc","def")
+ * format(abc "def") => format("abc","def")
+ * format(abc, def, ghi) => format("abc","def","ghi")
+ * format("abc",'def') => format("abc","def")
+ * format("abc, def, ghi") => format("abc, def, ghi")
+ *
+ * @param string
+ * @return array
+ */
+
+ public function parse_string_list($value) {
+ $value = trim($value);
+
+ // Case: empty
+ if (!$value) return array();
+
+ $strings = array();
+
+ $in_str = false;
+ $current_string = '';
+
+ for ($i = 0, $_len = strlen($value); $i < $_len; $i++) {
+ if (($value{$i} === ',' || $value{$i} === ' ') && $in_str === true) {
+ $in_str = false;
+ $strings[] = $current_string;
+ $current_string = '';
+ } elseif ($value{$i} === '"' || $value{$i} === "'") {
+ if ($in_str === $value{$i}) {
+ $strings[] = $current_string;
+ $in_str = false;
+ $current_string = '';
+ continue;
+ } elseif (!$in_str) {
+ $in_str = $value{$i};
+ }
+ } else {
+ if ($in_str) {
+ $current_string .= $value{$i};
+ } else {
+ if (!preg_match("/[\s,]/", $value{$i})) {
+ $in_str = true;
+ $current_string = $value{$i};
+ }
+ }
+ }
+ }
+
+ if ($current_string) {
+ $strings[] = $current_string;
+ }
+
+ return $strings;
+ }
+}
dépôts / lhc / web / clavette_www.git / blobdiff