<?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:----MTc0MzU4MjEzMDgzNTY5IDczOTk3Mjk2NjkyNDY1ODMgOTM1MDk3NzAxNzAxNjA2Mw==