settings['remove_bslash'] = true; $this->settings['compress_colors'] = true; $this->settings['compress_font-weight'] = true; $this->settings['lowercase_s'] = false; $this->settings['optimise_shorthands'] = 1; $this->settings['remove_last_;'] = false; $this->settings['case_properties'] = 1; $this->settings['sort_properties'] = false; $this->settings['sort_selectors'] = false; $this->settings['merge_selectors'] = 2; $this->settings['discard_invalid_properties'] = false; $this->settings['css_level'] = 'CSS2.1'; $this->settings['preserve_css'] = false; $this->settings['timestamp'] = false; $this->load_template('default'); $this->print = new csstidy_print($this); $this->optimise = new csstidy_optimise($this); } /** * Get the value of a setting. * @param string $setting * @access public * @return mixed * @version 1.0 */ function get_cfg($setting) { if(isset($this->settings[$setting])) { return $this->settings[$setting]; } return false; } /** * Set the value of a setting. * @param string $setting * @param mixed $value * @access public * @return bool * @version 1.0 */ function set_cfg($setting,$value) { if(isset($this->settings[$setting]) && $value !== '') { $this->settings[$setting] = $value; return true; } return false; } /** * Adds a token to $this->tokens * @param mixed $type * @param string $data * @param bool $do add a token even if preserve_css is off * @access private * @version 1.0 */ function _add_token($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 $line * @access private * @version 1.0 */ function log($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 $i * @access private * @return string * @version 1.2 */ function _unicode(&$string, &$i) { ++$i; $add = ''; $tokens =& $GLOBALS['csstidy']['tokens']; $replaced = false; while($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 != '\\' || !$this->get_cfg('remove_bslash') || strpos($tokens, $string{$i+1}) !== false) { return $add; } if($add == '\\') { $this->log('Removed unnecessary backslash','Information'); } return ''; } /** * 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 $content as filename if true * @access public * @version 1.1 * @see http://csstidy.sourceforge.net/templates.php */ function load_template($content, $from_file=true) { $predefined_templates =& $GLOBALS['csstidy']['predefined_templates']; if($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),''); } $content = str_replace("\r\n","\n",$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 $url * @access public * @version 1.0 */ function parse_from_url($url) { return $this->parse(@file_get_contents($url)); } /** * Checks if there is a token at the current position * @param string $string * @param integer $i * @access public * @version 1.11 */ function is_token(&$string, $i) { $tokens =& $GLOBALS['csstidy']['tokens']; return (strpos($tokens, $string{$i}) !== false && !csstidy::escaped($string,$i)); } /** * Parses CSS in $string. The code is saved as array in $this->css * @param string $string the CSS code * @access public * @return bool * @version 1.1 */ function parse($string) { // PHP bug? Settings need to be refreshed in PHP4 $this->print = new csstidy_print($this); $this->optimise = new csstidy_optimise($this); $all_properties =& $GLOBALS['csstidy']['all_properties']; $at_rules =& $GLOBALS['csstidy']['at_rules']; $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(csstidy::is_token($string,$i)) { if($string{$i} == '/' && @$string{$i+1} == '*') { $this->status = 'ic'; ++$i; $this->from = 'at'; } elseif($string{$i} == '{') { $this->status = 'is'; $this->_add_token(AT_START, $this->at); } elseif($string{$i} == ',') { $this->at = trim($this->at).','; } elseif($string{$i} == '\\') { $this->at .= $this->_unicode($string,$i); } } else { $lastpos = strlen($this->at)-1; if(!( (ctype_space($this->at{$lastpos}) || csstidy::is_token($this->at,$lastpos) && $this->at{$lastpos} == ',') && ctype_space($string{$i}))) { $this->at .= $string{$i}; } } break; /* Case in-selector */ case 'is': if(csstidy::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; $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}; $this->from = 'is'; } elseif($this->invalid_at && $string{$i} == ';') { $this->invalid_at = false; $this->status = 'is'; } elseif($string{$i} == '{') { $this->status = 'ip'; $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,$i); } // remove unnecessary universal selector, FS#147 else if(!($string{$i} == '*' && @in_array($string{$i+1}, array('.', '#', '[', ':')))) { $this->selector .= $string{$i}; } } else { $lastpos = strlen($this->selector)-1; if($lastpos == -1 || !( (ctype_space($this->selector{$lastpos}) || csstidy::is_token($this->selector,$lastpos) && $this->selector{$lastpos} == ',') && ctype_space($string{$i}))) { $this->selector .= $string{$i}; } } break; /* Case in-property */ case 'ip': if(csstidy::is_token($string,$i)) { if(($string{$i} == ':' || $string{$i} == '=') && $this->property != '') { $this->status = 'iv'; if(!$this->get_cfg('discard_invalid_properties') || csstidy::property_is_valid($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 = ''; $this->property = ''; } elseif($string{$i} == ';') { $this->property = ''; } elseif($string{$i} == '\\') { $this->property .= $this->_unicode($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(csstidy::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'; $this->from = 'iv'; } elseif($string{$i} == ',') { $this->sub_value = trim($this->sub_value).','; } elseif($string{$i} == '\\') { $this->sub_value .= $this->_unicode($string,$i); } elseif($string{$i} == ';' || $pn) { if(( isset($this->selector{0}) && $this->selector{0} == '@') && isset($at_rules[substr($this->selector,1)]) && $at_rules[substr($this->selector,1)] == 'iv') { $this->sub_value_arr[] = trim($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 == '') { $this->at = DEFAULT_AT; } // case settings if($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 = ''; } $this->value = implode(' ',$this->sub_value_arr); $this->selector = trim($this->selector); $this->optimise->value(); $valid = csstidy::property_is_valid($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; $this->selector = ''; } } elseif(!$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; $this->sub_value = ''; } } } break; /* Case in string */ case 'instr': if($this->str_char == ')' && ($string{$i} == '"' || $string{$i} == '\'') && !$this->str_in_str && !csstidy::escaped($string,$i)) { $this->str_in_str = true; } elseif($this->str_char == ')' && ($string{$i} == '"' || $string{$i} == '\'') && $this->str_in_str && !csstidy::escaped($string,$i)) { $this->str_in_str = false; } $temp_add = $string{$i}; // ...and no not-escaped backslash at the previous position if( ($string{$i} == "\n" || $string{$i} == "\r") && !($string{$i-1} == '\\' && !csstidy::escaped($string,$i-1)) ) { $temp_add = "\\A "; $this->log('Fixed incorrect newline in string','Warning'); } if (!($this->str_char == ')' && in_array($string{$i}, $GLOBALS['csstidy']['whitespace']) && !$this->str_in_str)) { $this->cur_string .= $temp_add; } if($string{$i} == $this->str_char && !csstidy::escaped($string,$i) && !$this->str_in_str) { $this->status = $this->from; if (!preg_match('|[' . implode('', $GLOBALS['csstidy']['whitespace']) . ']|uis', $this->cur_string) && $this->property != 'content') { if ($this->str_char == '"' || $this->str_char == '\'') { $this->cur_string = substr($this->cur_string, 1, -1); } else if (strlen($this->cur_string) > 3 && ($this->cur_string[1] == '"' || $this->cur_string[1] == '\'')) /* () */ { $this->cur_string = $this->cur_string[0] . substr($this->cur_string, 2, -2) . substr($this->cur_string, -1); } } if($this->from == 'iv') { $this->sub_value .= $this->cur_string; } elseif($this->from == 'is') { $this->selector .= $this->cur_string; } } break; /* Case in-comment */ case 'ic': if($string{$i} == '*' && $string{$i+1} == '/') { $this->status = $this->from; $i++; $this->_add_token(COMMENT, $cur_comment); $cur_comment = ''; } else { $cur_comment .= $string{$i}; } break; } } $this->optimise->postparse(); $this->print->_reset(); return !(empty($this->css) && empty($this->import) && empty($this->charset) && empty($this->tokens) && empty($this->namespace)); } /** * Explodes selectors * @access private * @version 1.0 */ 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) { $this->merge_css_blocks($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 $pos * @access public * @return bool * @version 1.02 */ function escaped(&$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 $new_val * @access private * @version 1.2 */ function css_add_property($media,$selector,$property,$new_val) { if($this->get_cfg('preserve_css') || trim($new_val) == '') { return; } $this->added = true; if(isset($this->css[$media][$selector][$property])) { if((csstidy::is_important($this->css[$media][$selector][$property]) && csstidy::is_important($new_val)) || !csstidy::is_important($this->css[$media][$selector][$property])) { unset($this->css[$media][$selector][$property]); $this->css[$media][$selector][$property] = trim($new_val); } } else { $this->css[$media][$selector][$property] = trim($new_val); } } /** * Adds CSS to an existing media/selector * @param string $media * @param string $selector * @param array $css_add * @access private * @version 1.1 */ function merge_css_blocks($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 $value * @return bool * @access public * @version 1.0 */ static function is_important(&$value) { return (!strcasecmp(substr(str_replace($GLOBALS['csstidy']['whitespace'],'',$value),-10,10),'!important')); } /** * Returns a value without !important * @param string $value * @return string * @access public * @version 1.0 */ static function gvw_important($value) { if(csstidy::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 $pos * @return bool * @access private * @version 1.2 */ function property_is_next($istring, $pos) { $all_properties =& $GLOBALS['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 $property * @return bool; * @access public * @version 1.0 */ function property_is_valid($property) { $all_properties =& $GLOBALS['csstidy']['all_properties']; return (isset($all_properties[$property]) && strpos($all_properties[$property],strtoupper($this->get_cfg('css_level'))) !== false ); } } ?>