DivinerAtomizer.php
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	<?php

	/**
	* Generate @{class:DivinerAtom}s from source code.
	*/
	abstract class DivinerAtomizer {

	private $book;
	private $fileName;

	/**
	* If you make a significant change to an atomizer, you can bump this
	* version to drop all the old atom caches.
	*/
	public static function getAtomizerVersion() {
	return 1;
	}

	final public function atomize($file_name, $file_data) {
	$this->fileName = $file_name;
	return $this->executeAtomize($file_name, $file_data);
	}

	abstract protected function executeAtomize($file_name, $file_data);

	final public function setBook($book) {
	$this->book = $book;
	return $this;
	}

	final public function getBook() {
	return $this->book;
	}

	protected function newAtom($type) {
	return id(new DivinerAtom())
	->setBook($this->getBook())
	->setFile($this->fileName)
	->setType($type);
	}

	protected function newRef($type, $name, $book = null, $context = null) {
	$book = coalesce($book, $this->getBook());

	return id(new DivinerAtomRef())
	->setBook($book)
	->setContext($context)
	->setType($type)
	->setName($name);
	}

	}