public function test3()
{
$this->getFlInstance();
$tokens = $this->getTokens('3.text');
$tokens = $tokens[0];
$score = Fl_Css_Static::getSelectorSpecificity($tokens);
//print_r($score);
}
/**
*
* 获取选择器的属性
*/
public function getSelectorProperties()
{
$attr = $value = '';
$attrs = array();
$hasColon = false;
$hasTpl = false;
while (true) {
$token = $this->tokenInstance->getNextToken();
if (empty($token)) {
break;
}
if ($token['type'] === FL_TOKEN_CSS_PROPERTY) {
$attr = $token['value'];
} elseif ($token['type'] === FL_TOKEN_CSS_COLON) {
$hasColon = true;
} elseif ($token['type'] === FL_TOKEN_CSS_VALUE) {
$value = $token['value'];
} elseif ($token['type'] === FL_TOKEN_TPL) {
if ($hasColon) {
$value .= $token['value'];
} else {
$attr .= $token['value'];
}
$hasTpl = true;
} elseif ($token['type'] === FL_TOKEN_CSS_HACK) {
$attrs[] = array('property' => '', 'value' => $token['value'], 'type' => FL_TOKEN_CSS_HACK);
} elseif ($token['type'] === FL_TOKEN_CSS_SEMICOLON || $token['type'] === FL_TOKEN_CSS_BRACES_ONE_END) {
if ($hasTpl || $this->containTpl($attr)) {
$attrs[] = array('property' => $attr, 'value' => $value, 'type' => FL_TOKEN_TPL);
} else {
if (!empty($attr) || !empty($value)) {
$propertyDetail = Fl_Css_Static::getPropertyDetail($attr);
$valueDetail = Fl_Css_Static::getValueDetail($value);
$detail = $propertyDetail + $valueDetail;
$attrs[] = $detail;
}
}
$hasTpl = $hasColon = false;
$attr = $value = '';
}
if ($token['type'] === FL_TOKEN_CSS_BRACES_ONE_END) {
break;
}
}
return $attrs;
}
/**
*
* beautify
* @param array $ast
*/
public function beautifyAst($ast, $parentType = '')
{
$result = '';
$first = true;
foreach ($ast as $item) {
if (!$first) {
$result = rtrim($result, FL_NEWLINE) . FL_NEWLINE;
}
$hasComment = false;
if (count($item['value']['commentBefore'])) {
$hasComment = true;
}
$comment = $this->beautifyComment($item['value']);
if ($comment['remove']) {
$result = rtrim($result, FL_NEWLINE);
}
$result .= $comment['value'];
//
if ($item['type'] === FL_TOKEN_HTML_TAG_END) {
continue;
}
if ($first) {
$first = false;
}
$indent = $newline = false;
if ($item['type'] === FL_TOKEN_HTML_TAG) {
$count = count($item['children']);
if ($count > 1) {
$indent = true;
$newline = true;
} elseif ($count === 1) {
$c = $item['children'][$count - 1];
if ($c['type'] !== FL_TOKEN_HTML_TEXT) {
$indent = true;
$newline = true;
}
}
} else {
if (count($ast) > 1) {
$newline = true;
}
if ($item['type'] === FL_TOKEN_HTML_DOCTYPE || $item['type'] === FL_TOKEN_HTML_SINGLE_TAG) {
$newline = true;
}
if ($item['type'] === FL_TOKEN_HTML_STYLE_TAG || $item['type'] === FL_TOKEN_HTML_SCRIPT_TAG) {
$newline = true;
$indent = true;
}
}
if ($item['type'] !== FL_TOKEN_HTML_TEXT) {
$result .= $this->getIndentString();
} else {
if (count($ast) > 1) {
$result .= $this->getIndentString();
}
}
if ($parentType === FL_TOKEN_HTML_STYLE_TAG) {
Fl::loadClass("Fl_Css_Static");
$value = Fl_Css_Static::getStyleDetail($item['value']['value']);
if ($value['prefix']) {
$result .= $value['prefix'] . FL_NEWLINE;
}
$result .= $this->beautify_special($value['value'], 'css');
if ($value['suffix']) {
$result .= FL_NEWLINE . $value['suffix'] . FL_NEWLINE;
}
} elseif ($parentType === FL_TOKEN_HTML_SCRIPT_TAG) {
$result .= $this->beautify_special($item['value']['value'], 'js');
} else {
$result .= $item['value']['value'];
}
if ($newline) {
$result .= FL_NEWLINE;
}
if ($indent) {
$this->indent++;
}
if (count($item['children'])) {
$type = $item['type'];
if ($type === FL_TOKEN_HTML_SCRIPT_TAG) {
$tagInfo = Fl_Html_Static::getScriptTagInfo($item['value']['value'], $this);
//虽然是script标签，但不一定是Js
if (!$tagInfo['script'] || $tagInfo['external']) {
$type = '';
}
}
$children = $this->beautifyAst($item['children'], $type);
if ($tagInfo['external'] && !strlen(trim($children))) {
$result = rtrim($result, FL_NEWLINE);
$newline = false;
$indent = 2;
} else {
$result .= $children;
}
}
$types = array(FL_TOKEN_HTML_TAG => 1, FL_TOKEN_HTML_SCRIPT_TAG => 1, FL_TOKEN_HTML_PRE_TAG => 1, FL_TOKEN_HTML_STYLE_TAG => 1, FL_TOKEN_HTML_TEXTAREA_TAG => 1);
$this->preToken = $item['value'];
if (isset($types[$item['type']])) {
if ($newline) {
$result = rtrim($result, FL_NEWLINE);
$result .= FL_NEWLINE;
}
if ($indent) {
$this->indent--;
if ($indent === true) {
$result .= $this->getIndentString();
}
}
if (!empty($item['end'])) {
$this->preToken = $item['end'];
$comment = $this->beautifyComment($item['end']);
$result .= rtrim($comment['value'], FL_NEWLINE);
}
$result .= '</' . $item['tag'] . '>';
}
}
return $result;
}
/**
*
* 获取@的详细类型
*/
public function getAtDetailType($result = '')
{
return $this->preTokenType = Fl_Css_Static::getAtDetailType($result, $this);
}
/**
*
* get such as :hover token
* @param string $char
*/
public function getPseudoClassToken($char)
{
$result = $char;
$this->getNextChar();
$parenthesesNum = 0;
while (!$this->isEof()) {
$char = $this->getCurrentChar();
if ($parenthesesNum === 0 && Fl_Css_Static::isSelectorCharUtil($char)) {
break;
} else {
if ($char === '(') {
$parenthesesNum++;
} else {
if ($char === ')') {
$parenthesesNum--;
} else {
if ($char === '"' || $char === "'") {
$char = $this->getQuoteText($char, true, true);
}
}
}
}
$result .= $char;
if (!$this->pendingNextChar) {
$this->getNextChar();
} else {
$this->pendingNextChar = false;
}
}
if ($parenthesesNum !== 0) {
$this->throwException('get Pseudo Class error');
}
return $result;
}
/**
*
* short padding,margin properties
* @param array $attrs
*/
public function shortProperties($attrs = array())
{
$attrs = Fl_Css_Static::combineProperty($attrs, 'padding', Fl_Css_Static::$paddingChildren);
$attrs = Fl_Css_Static::combineProperty($attrs, 'margin', Fl_Css_Static::$marginChildren);
return $attrs;
}
/**
*
* Calculating a selector's specificity
* see more: http://www.w3.org/TR/selectors/#specificity
* @param array $selectorTokens
*/
public static function getSelectorSpecificity($selectorTokens = array())
{
if (!is_array($selectorTokens)) {
$selectorTokens = self::getSelectorTokens($selectorTokens);
}
$score = array(0, 0, 0);
$notPattern = '/^\\:not\\(/ies';
foreach ($selectorTokens as $item) {
$type = $item['type'];
switch ($type) {
case FL_TOKEN_CSS_SELECTOR_ID:
$score[0]++;
break;
case FL_TOKEN_CSS_SELECTOR_TYPE:
case FL_TOKEN_CSS_SELECTOR_PSEUDO_ELEMENT:
$score[2]++;
break;
case FL_TOKEN_CSS_SELECTOR_CLASS:
case FL_TOKEN_CSS_SELECTOR_ATTRIBUTES:
$score[1]++;
break;
case FL_TOKEN_CSS_SELECTOR_PSEUDO_CLASS:
$value = $item['value'];
//:not(xxx)
if (preg_match($notPattern, $value)) {
$value = trim(preg_replace($notPattern, "", $value));
$value = substr($value, 0, strlen($value) - 1);
Fl::loadClass('Fl_Css_SelectorToken');
$instance = new Fl_Css_SelectorToken($value);
$tokens = $instance->run();
$notScore = Fl_Css_Static::getSelectorSpecificity($tokens[0]);
$score[0] += $notScore[0];
$score[1] += $notScore[1];
$score[2] += $notScore[2];
} else {
$score[1]++;
}
break;
}
}
return $score;
}
/**
*
* 背景图
* @param array $tokens
*/
public function updateBackgroundImageTokenType($tokens)
{
foreach ($tokens as &$token) {
$value = $token['value'];
$urlValue = Fl_Css_Static::isUrlValue($value);
if ($urlValue) {
//背景图
$token['type'] = 'background-image';
$token['clean_value'] = $urlValue;
}
}
return $tokens;
}
/**
*
* token值里可能含有color
* @param array $token
*/
public static function mayHasColor($token)
{
if ($token['type'] != FL_TOKEN_CSS_PROPERTY) {
return false;
}
$value = $token['value'];
$detail = Fl_Css_Static::getPropertyDetail($value);
$name = strtolower($detail['property']);
if (isset(Fl_Css_Static::$mayHasColorProperties[$name])) {
return true;
}
return false;
}
/**
*
* compress style
* @param array $token
*/
public function compressStyle($token)
{
if (!$this->options['compress_tag']) {
return $token['value'];
}
$info = Fl_Html_Static::splitSpecialValue($token['value'], 'style', $this);
$content = trim($info['content']);
if ($this->options['remove_empty_style'] && !$content) {
return '';
}
if ($this->options['compress_inline_css'] && $content) {
Fl::loadClass("Fl_Css_Static");
$value = Fl_Css_Static::getStyleDetail($content);
$containTpl = $this->containTpl($value['value']);
//自定义内联CSS压缩方法
if (!$containTpl && $this->cssCompressMethod) {
$content = call_user_func($this->cssCompressMethod, $value['value'], $this);
} else {
$content = $this->getInstance("Fl_Css_Compress", $value['value'])->run();
}
}
if ($this->options['remove_optional_attrs']) {
$tagInfo = $this->getInstance("Fl_Html_TagToken", $info['tag_start'])->run();
$tagInfo['lowerTag'] = strtolower($tagInfo['tag']);
$info['tag_start'] = $this->compressStartTag($tagInfo);
}
if ($this->options['merge_adjacent_css']) {
$endStyle = '</style>';
$outputLen = strlen($this->output);
$last = substr($this->output, $outputLen - 8);
if (strtolower($last) === $endStyle) {
$this->output = substr($this->output, 0, $outputLen - 8);
return $content . $info['tag_end'];
}
}
return $info['tag_start'] . $content . $info['tag_end'];
}
/**
*
* validate css property
* @param array $token
*/
public function validateProperty($token)
{
if (!$this->options['property_hack']) {
return true;
}
if (!Fl_Css_Static::checkPropertyPattern($token['value'])) {
return $this->addMessage("property `" . $token['value'] . "` is not valid", 'property_hack', $token);
}
if (strpos($token['value'], 'filter') !== false) {
return $this->addMessage("property `" . $token['value'] . "` is not valid", 'filter', $token);
}
}
/**
*
* beautify default token
* @param array $token
*/
public function beautifyDefault($token)
{
//for ;;;
if ($token['type'] === FL_TOKEN_CSS_SEMICOLON && $this->preToken['type'] === FL_TOKEN_CSS_SEMICOLON) {
return '';
}
if (isset($this->preToken['type'])) {
//for @ type
if ($token['type'] === FL_TOKEN_CSS_AT_KEYFRAMES || $token['type'] === FL_TOKEN_CSS_AT_MOZILLA) {
return FL_NEWLINE . $this->getIndentString() . $token['value'];
} else {
if (Fl_Css_Static::isAtType($token['type'])) {
return FL_NEWLINE . $token['value'];
}
}
}
if ($token['type'] === FL_TOKEN_CSS_HACK) {
return FL_NEWLINE . $this->getIndentString() . $token['value'];
}
return $token['value'];
}
