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<?php
/**
* Rule
*
* @package Less
* @subpackage tree
*/
class Less_Tree_Rule extends Less_Tree{
public $name;
public $value;
public $important;
public $merge;
public $index;
public $inline;
public $variable;
public $currentFileInfo;
public $type = 'Rule';
/**
* @param string $important
*/
public function __construct($name, $value = null, $important = null, $merge = null, $index = null, $currentFileInfo = null, $inline = false){
$this->name = $name;
$this->value = ($value instanceof Less_Tree_Value || $value instanceof Less_Tree_Ruleset) ? $value : new Less_Tree_Value(array($value));
$this->important = $important ? ' ' . trim($important) : '';
$this->merge = $merge;
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
$this->inline = $inline;
$this->variable = ( is_string($name) && $name[0] === '@');
}
public function accept($visitor) {
$this->value = $visitor->visitObj( $this->value );
}
/**
* @see Less_Tree::genCSS
*/
public function genCSS( $output ){
$output->add( $this->name . Less_Environment::$_outputMap[': '], $this->currentFileInfo, $this->index);
try{
$this->value->genCSS( $output);
}catch( Less_Exception_Parser $e ){
$e->index = $this->index;
$e->currentFile = $this->currentFileInfo;
throw $e;
}
$output->add( $this->important . (($this->inline || (Less_Environment::$lastRule && Less_Parser::$options['compress'])) ? "" : ";"), $this->currentFileInfo, $this->index);
}
public function compile ($env){
$name = $this->name;
if( is_array($name) ){
// expand 'primitive' name directly to get
// things faster (~10% for benchmark.less):
if( count($name) === 1 && $name[0] instanceof Less_Tree_Keyword ){
$name = $name[0]->value;
}else{
$name = $this->CompileName($env,$name);
}
}
$strictMathBypass = Less_Parser::$options['strictMath'];
if( $name === "font" && !Less_Parser::$options['strictMath'] ){
Less_Parser::$options['strictMath'] = true;
}
try {
$evaldValue = $this->value->compile($env);
if( !$this->variable && $evaldValue->type === "DetachedRuleset") {
throw new Less_Exception_Compiler("Rulesets cannot be evaluated on a property.", null, $this->index, $this->currentFileInfo);
}
if( Less_Environment::$mixin_stack ){
$return = new Less_Tree_Rule($name, $evaldValue, $this->important, $this->merge, $this->index, $this->currentFileInfo, $this->inline);
}else{
$this->name = $name;
$this->value = $evaldValue;
$return = $this;
}
}catch( Less_Exception_Parser $e ){
if( !is_numeric($e->index) ){
$e->index = $this->index;
$e->currentFile = $this->currentFileInfo;
}
throw $e;
}
Less_Parser::$options['strictMath'] = $strictMathBypass;
return $return;
}
public function CompileName( $env, $name ){
$output = new Less_Output();
foreach($name as $n){
$n->compile($env)->genCSS($output);
}
return $output->toString();
}
public function makeImportant(){
return new Less_Tree_Rule($this->name, $this->value, '!important', $this->merge, $this->index, $this->currentFileInfo, $this->inline);
}
}
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