<?php

namespace Cache\Adapter\Common;

/**
 * This trait provides common routines for safely encoding binary and non-UTF8 data in
 * JSON. This is needed for components that use JSON natively (currently, the MongoDB
 * adapter and EncryptedCachePool).
 *
 * @author Stephen Clouse <stephen.clouse@noaa.gov>
 */
trait JsonBinaryArmoring
{
    private static $ESCAPE_JSON_CHARACTERS = [
        "\x00",
        "\x01",
        "\x02",
        "\x03",
        "\x04",
        "\x05",
        "\x06",
        "\x07",
        "\x08",
        "\t",
        "\n",
        "\x0B",
        "\x0C",
        "\r",
        "\x0E",
        "\x0F",
        "\x10",
        "\x11",
        "\x12",
        "\x13",
        "\x14",
        "\x15",
        "\x16",
        "\x17",
        "\x18",
        "\x19",
        "\x1A",
        "\e",
        "\x1C",
        "\x1D",
        "\x1E",
        "\x1F",
    ];

    private static $ENCODED_JSON_CHARACTERS = [
        '\u0000',
        '\u0001',
        '\u0002',
        '\u0003',
        '\u0004',
        '\u0005',
        '\u0006',
        '\u0007',
        '\u0008',
        '\u0009',
        '\u000A',
        '\u000B',
        '\u000C',
        '\u000D',
        '\u000E',
        '\u000F',
        '\u0010',
        '\u0011',
        '\u0012',
        '\u0013',
        '\u0014',
        '\u0015',
        '\u0016',
        '\u0017',
        '\u0018',
        '\u0019',
        '\u001A',
        '\u001B',
        '\u001C',
        '\u001D',
        '\u001E',
        '\u001F',
    ];

    /**
     * Armor a value going into a JSON document.
     *
     * @param string $value
     *
     * @return string
     */
    protected static function jsonArmor($value)
    {
        return str_replace(
            static::$ESCAPE_JSON_CHARACTERS,
            static::$ENCODED_JSON_CHARACTERS,
            utf8_encode($value)
        );
    }

    /**
     * De-armor a value from a JSON document.
     *
     * @param string $value
     *
     * @return string
     */
    protected static function jsonDeArmor($value)
    {
        return utf8_decode(str_replace(
            static::$ENCODED_JSON_CHARACTERS,
            static::$ESCAPE_JSON_CHARACTERS,
            $value
        ));
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTgxNDA5Nzk1OTg3NTAwOCA2MTUyNjg0ODU3Mjg2NDQgMTA4OTI5MzUxMzIzNTgxNA==