/**
* @see ILess_Node
*/
public function compile(ILess_Environment $env, $arguments = null, $important = null)
{
if ($this->skip) {
return array();
}
if ($this->getOption('inline')) {
// FIXME: this section is marked as "todo" in less.js project
// see: lib/less/tree/import.js
// original comment: todo needs to reference css file not import
// $this->root is string here!
$contents = new ILess_Node_Anonymous($this->root, 0, new ILess_FileInfo(array('filename' => $this->importedFilename)), true);
return $this->features ? new ILess_Node_Media(array($contents), $this->features->value) : array($contents);
} elseif ($this->css) {
$features = $this->features ? $this->features->compile($env) : null;
$import = new ILess_Node_Import($this->compilePath($env), $features, $this->options, $this->index);
if (!$import->css && $import->hasError()) {
throw $import->getError();
}
return $import;
} else {
$ruleset = new ILess_Node_Ruleset(array(), $this->root ? $this->root->rules : array());
$ruleset->compileImports($env);
return $this->features ? new ILess_Node_Media($ruleset->rules, $this->features->value) : $ruleset->rules;
}
}
/**
* Compiles the node
*
* @param ILess_Environment $env
* @return boolean
*/
public function compile(ILess_Environment $env, $arguments = null, $important = null)
{
$a = $this->lvalue->compile($env);
$b = $this->rvalue->compile($env);
switch ($this->op) {
case 'and':
$result = $a && $b;
break;
case 'or':
$result = $a || $b;
break;
default:
if (self::methodExists($a, 'compare')) {
$result = $a->compare($b);
} elseif (self::methodExists($b, 'compare')) {
$result = $b->compare($a);
} else {
throw new ILess_Exception_Compiler('Unable to perform the comparison', $this->index, $env->currentFileInfo);
}
// FIXME: Operators has beed modified. its seems that there is a bug in less.js
// The operator "=>" is missing in case 0 and case 1
// Less.js version:
/*
switch (result) {
case -1: return op === '<' || op === '=<' || op === '<=';
case 0: return op === '=' || op === '>=' || op === '=<' || op === '<=';
case 1: return op === '>' || op === '>=';
}
*/
switch ($result) {
case -1:
$result = $this->op === '<' || $this->op === '=<' || $this->op === '<=';
break;
case 0:
$result = $this->op === '=' || $this->op === '>=' || $this->op === '=>' || $this->op === '=<' || $this->op === '<=';
break;
case 1:
$result = $this->op === '>' || $this->op === '>=' || $this->op === '=>';
break;
}
break;
}
return $this->negate ? !$result : $result;
}
/**
* Compiles the node
*
* @param ILess_Environment $env
* @return ILess_Node_Attribute
*/
public function compile(ILess_Environment $env, $arguments = null, $important = null)
{
return new ILess_Node_Attribute(self::methodExists($this->key, 'compile') ? $this->key->compile($env) : $this->key, $this->operator, self::methodExists($this->value, 'compile') ? $this->value->compile($env) : $this->value);
}
