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<?php
/**
* @private
*/
class Less_Tree_Quoted extends Less_Tree implements Less_Tree_HasValueProperty {
public $escaped;
/** @var string */
public $value;
public $quote;
public $index;
public $currentFileInfo;
public $variableRegex = '/@\{([\w-]+)\}/';
public $propRegex = '/\$\{([\w-]+)\}/';
/**
* @param string $str
*/
public function __construct( $str, $content = '', $escaped = true, $index = false, $currentFileInfo = null ) {
$this->escaped = $escaped;
$this->value = $content;
if ( $str ) {
$this->quote = $str[0];
}
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ) {
if ( !$this->escaped ) {
$output->add( $this->quote, $this->currentFileInfo, $this->index );
}
$output->add( $this->value );
if ( !$this->escaped ) {
$output->add( $this->quote );
}
}
/**
* @see less-3.13.1.js#Quoted.prototype.containsVariables
*/
public function containsVariables() {
return preg_match( $this->variableRegex, $this->value );
}
private function variableReplacement( $r, $env ) {
do {
$value = $r;
if ( preg_match_all( $this->variableRegex, $value, $matches ) ) {
foreach ( $matches[1] as $i => $match ) {
$v = new Less_Tree_Variable( '@' . $match, $this->index, $this->currentFileInfo );
$v = $v->compile( $env );
$v = ( $v instanceof self ) ? $v->value : $v->toCSS();
$r = str_replace( $matches[0][$i], $v, $r );
}
}
} while ( $r != $value );
return $r;
}
private function propertyReplacement( $r, $env ) {
do {
$value = $r;
if ( preg_match_all( $this->propRegex, $value, $matches ) ) {
foreach ( $matches[1] as $i => $match ) {
$v = new Less_Tree_Property( '$' . $match, $this->index, $this->currentFileInfo );
$v = $v->compile( $env );
$v = ( $v instanceof self ) ? $v->value : $v->toCSS();
$r = str_replace( $matches[0][$i], $v, $r );
}
}
} while ( $r != $value );
return $r;
}
public function compile( $env ) {
$value = $this->value;
$value = $this->variableReplacement( $value, $env );
$value = $this->propertyReplacement( $value, $env );
return new self( $this->quote . $value . $this->quote, $value, $this->escaped, $this->index, $this->currentFileInfo );
}
/**
* @param mixed $other
* @return int|null
* @see less-2.5.3.js#Quoted.prototype.compare
*/
public function compare( $other ) {
if ( $other instanceof self && !$this->escaped && !$other->escaped ) {
return Less_Tree::numericCompare( $this->value, $other->value );
} else {
return (
Less_Parser::is_method( $other, 'toCSS' )
&& $this->toCSS() === $other->toCSS()
) ? 0 : null;
}
}
}
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