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<?php |
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/** |
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* For licensing information, please see the LICENSE file accompanied with this file. |
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* |
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* @author Gerard van Helden <[email protected]> |
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* @copyright 2012 Gerard van Helden <http://melp.nl> |
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*/ |
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namespace Zicht\Tool\Script\Node\Task; |
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use Zicht\Tool\Script\Buffer; |
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use Zicht\Tool\Script\Node\Branch; |
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use Zicht\Tool\Util; |
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/** |
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* A node for the "args" section of a task |
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*/ |
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class ArgNode extends Branch |
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{ |
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public $multiple = false; |
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public $conditional = false; |
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/** |
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* Constructor. |
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* |
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* @param string $name |
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* @param \Zicht\Tool\Script\Node\Node $expr |
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* @param bool $conditional |
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*/ |
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public function __construct($name, $expr, $conditional) |
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{ |
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parent::__construct(); |
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$this->nodes[0] = $expr; |
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$this->name = $name; |
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if (substr($this->name, -2) === '[]') { |
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$this->multiple = true; |
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$this->name = substr($this->name, 0, -2); |
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} |
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$this->conditional = $conditional; |
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} |
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/** |
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* Compiles the arg node. |
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* |
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* @param \Zicht\Tool\Script\Buffer $buffer |
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* @return void |
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*/ |
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public function compile(Buffer $buffer) |
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{ |
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$name = explode('.', $this->name); |
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$phpName = Util::toPhp($name); |
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if ($this->conditional) { |
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if ($this->multiple) { |
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$buffer->writeln(sprintf('if ($z->isEmpty(%1$s) || array() === $z->get(%1$s)) {', $phpName))->indent(1); |
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} else { |
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$buffer->writeln(sprintf('if ($z->isEmpty(%s)) {', $phpName))->indent(1); |
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} |
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if (!$this->nodes[0]) { |
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$buffer->writeln( |
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sprintf( |
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'throw new \RuntimeException(\'required variable %s is not defined\');', |
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join('.', $name) |
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) |
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); |
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} |
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} |
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if ($this->nodes[0]) { |
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$buffer->write('$z->set(')->raw($phpName)->raw(', $z->value('); |
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if ($this->multiple) { |
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$buffer->raw('(array)('); |
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} |
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$this->nodes[0]->compile($buffer); |
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if ($this->multiple) { |
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$buffer->raw(')'); |
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} |
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$buffer->raw('));')->eol(); |
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} |
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if ($this->conditional) { |
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$buffer->indent(-1)->writeln('}'); |
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} |
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} |
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} |
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zicht /
z
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: