/**
*
* validate css selector
* @param array $token
*/
public function validateSelector($token)
{
$tokens = $this->getInstance("Fl_Css_SelectorToken", $token['value'])->run();
$maxSelectorLevel = intval($this->options['selector_max_level']);
foreach ($tokens as $selectorItem) {
if ($maxSelectorLevel && count($selectorItem) > $maxSelectorLevel) {
$selector = Fl_Css_Static::selectorTokenToText($selectorItem);
$this->addMessage('selector `' . $selector['text'] . '` level can not max ' . $maxSelectorLevel, 'selector_max_level', array('line' => $token['line'] + $selector['line'], 'col' => $selector['col']));
}
foreach ($selectorItem as $item) {
if ($item['type'] === FL_TOKEN_CSS_SELECTOR_CLASS) {
if (!preg_match($this->options['class_pattern'], $item['value'])) {
$this->addMessage('`' . $item['value'] . '` is not valid', 'class_pattern', array('line' => $token['line'] + $item['line'], 'col' => $item['col']));
}
} else {
if ($item['type'] === FL_TOKEN_CSS_SELECTOR_ID) {
if (!preg_match($this->options['id_pattern'], $item['value'])) {
$this->addMessage('`' . $item['value'] . '` is not valid', 'id_pattern', array('line' => $token['line'] + $item['line'], 'col' => $item['col']));
}
}
}
}
}
}
/**
*
* get key frames
* @param array $t
*/
public function getKeyFrames($token = array())
{
$result = array();
while (true) {
$t = $this->tokenInstance->getNextToken();
if (empty($t) || $t['type'] === FL_TOKEN_CSS_BRACES_TWO_END) {
break;
}
if ($t['type'] !== FL_TOKEN_CSS_BRACES_TWO_START) {
$result[] = $t;
}
}
$text = Fl_Css_Static::selectorTokenToText($result, false);
preg_match($this->keyFramesPattern, $token['value'], $matches);
$type = $matches[1];
if (empty($type)) {
$type = 'w3c';
}
$name = strtolower($matches[2]);
if (isset($this->keyframesList[$name])) {
return $token['value'] . '{' . $text . '}';
}
$output = '';
if (in_array($type, $this->completeAttrs['keyframes'])) {
$output = $token['value'] . '{' . $text . '}';
}
$this->keyframesList[$name] = true;
$extTypes = array();
$searchText = substr($this->text, $token['pos']);
foreach ($this->completeAttrs['keyframes'] as $item) {
if (!$this->options[$item] || $item == $type) {
continue;
}
if ($item == 'w3c') {
$pattern = '/@keyframes\\s+' . $name . '/ies';
} else {
$pattern = '/@\\-' . $item . '\\-keyframes\\s+' . $name . '/ies';
}
//这里为了方便直接通过正则向后匹配
if (preg_match($pattern, $searchText)) {
continue;
}
$instance = $this->getInstance("Fl_Css_AutoComplete", $text);
$options = array('w3c' => false, 'webkit' => false, 'moz' => false, 'ms' => false, 'o' => false, 'opacity' => false, 'keyframes' => true);
$options[$item] = true;
if ($item == 'ms') {
$options['opacity'] = true;
}
$return = $instance->run($options);
if ($item == 'w3c') {
$output .= '@keyframes ' . $name;
} else {
$output .= '@-' . $item . '-keyframes ' . $name;
}
$output .= '{' . $return . '}';
}
return $output;
}
/**
*
* collection selector
* @param array $token
* @param int $selectorPos
*/
public function collectionSelector($token, $selectorPos = 0)
{
$attrs = $this->getSelectorProperties();
if ($this->options['remove_empty_selector'] && empty($attrs)) {
return true;
}
$detail = array('attrs' => $attrs, 'score' => 0, 'equal' => array(), 'pos' => $selectorPos++);
$result = $this->getInstance('Fl_Css_SelectorToken', $token['value'])->run();
if ($this->removeUnusedClass) {
$removeResult = array();
foreach ($result as $item) {
$last = $item[count($item) - 1];
if ($last['type'] === FL_TOKEN_CSS_SELECTOR_CLASS) {
$classValue = substr($last['value'], 1);
if (in_array($classValue, $this->useClassList)) {
$removeResult[] = $item;
}
} else {
$removeResult[] = $item;
}
}
if (empty($removeResult)) {
return true;
}
$result = $removeResult;
}
if (count($result) === 1) {
//only a tag
if (!$this->inKeyframes && count($result[0]) === 1 && $result[0][0]['type'] === FL_TOKEN_CSS_SELECTOR_TYPE) {
$value = strtolower($result[0][0]['value']);
$se = array_merge($detail, array("selector" => $value, "score" => 1));
if (!isset($this->tagMultis[$value])) {
if (isset($this->selectors[$value])) {
$attrs = Fl_Css_Static::mergeProperties($this->selectors[$value]['attrs'], $attrs);
$this->selectors[$value]['attrs'] = $attrs;
} else {
/*$this->selectors = array_merge ( array (
$value => $se
), $this->selectors );*/
$this->selectors[$value] = $se;
}
} else {
$this->selectors[$value . "%" . $selectorPos++] = $se;
}
} else {
$selector = Fl_Css_Static::selectorTokenToText($result[0], false);
$detail['selector'] = $selector;
$detail['score'] = Fl_Css_Static::getSelectorSpecificity($result[0], true);
$this->selectors[$selector . "%" . $selectorPos++] = $detail;
}
} else {
$every = true;
$sts = array();
foreach ($result as $item) {
if (count($item) === 1 && $item[0]['type'] === FL_TOKEN_CSS_SELECTOR_TYPE) {
$sts[strtolower($item[0]['value'])] = 1;
} else {
$every = false;
}
}
$selectors = array();
$score = -1;
$same = true;
foreach ($result as $item) {
$selectors[] = Fl_Css_Static::selectorTokenToText($item, false);
$s = Fl_Css_Static::getSelectorSpecificity($item, true);
if ($score != -1 && $score !== $s) {
$same = false;
}
if ($score === -1) {
$score = $s;
}
}
$selector = join(",", $selectors);
if ($every) {
if (isset($this->selectors[$selector])) {
$attrs = Fl_Css_Static::mergeProperties($this->selectors[$selector]['attrs'], $attrs);
$this->selectors[$selector]['attrs'] = $attrs;
} else {
$detail['selector'] = array_shift($selectors);
$detail['score'] = 1;
$detail['same_score'] = true;
$detail['equal'] = $selectors;
/*$this->selectors = array_merge ( array (
$selector => $detail
), $this->selectors );*/
$this->selectors[$selector] = $detail;
}
} else {
$this->tagMultis = array_merge($this->tagMultis, $sts);
$detail['selector'] = array_shift($selectors);
$detail['equal'] = $selectors;
$detail['same_score'] = $same;
$detail['score'] = $score;
$this->selectors[$selector . "%" . $selectorPos++] = $detail;
}
}
}
/**
*
* moz hack里的css直接返回
* @param array $token
*/
public function getMozHack($token = array())
{
$tokens = array();
$result = $token['value'];
while (true) {
$token = $this->tokenInstance->getNextToken();
if (empty($token)) {
break;
}
$tokens[] = $token;
if ($token['type'] === FL_TOKEN_CSS_BRACES_TWO_END) {
break;
}
}
$result .= Fl_Css_Static::selectorTokenToText($tokens, false);
return array('ie6' => '', 'css3' => $result);
}