<?php

namespace PSX\Json;

use InvalidArgumentException;
use PSX\Record\Record;

/**
 * Document
 *
 * @author  Christoph Kappestein <christoph.kappestein@gmail.com>
 * @license http://www.apache.org/licenses/LICENSE-2.0
 * @link    http://phpsx.org
 */
class Document extends Record
{
    /**
     * Resolves the provided json pointer to an element in the document or
     * returns null if the element does not exist
     *
     * @param string $pointer
     * @return mixed|null
     */
    public function get($pointer)
    {
        $pointer = new Pointer($pointer);
        $data    = $pointer->evaluate($this->_properties);

        return $data;
    }

    /**
     * Checks whether this document is equal to the provided document
     *
     * @param mixed $document
     * @return bool
     */
    public function equals($document)
    {
        return Comparator::compare($this, $document);
    }

    /**
     * Executes patch operations on this document
     *
     * @param array $operations
     */
    public function patch(array $operations)
    {
        $patch = new Patch($operations);
        $data  = $patch->patch($this->_properties);

        $this->_properties = $data;
    }

    /**
     * Returns this document as json encoded string
     *
     * @return string
     */
    public function toString()
    {
        return Parser::encode($this->_properties);
    }

    /**
     * @param string $file
     * @return \PSX\Json\Document
     */
    public static function fromFile($file)
    {
        return self::fromJson(file_get_contents($file));
    }

    /**
     * @param string $json
     * @return \PSX\Json\Document
     */
    public static function fromJson($json)
    {
        if (empty($json)) {
            throw new InvalidArgumentException('Provided JSON string must not be empty');
        }

        return self::fromStdClass(Parser::decode($json));
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----ODMxNzk3Njc5NTgyMjY0NiA2NjM2NDI5ODA1Njk3ODk4IDgyNDUyNDIwMTExMzIzMjI=