JsonDecodeStream\Exception\ParserException

Complexity

Total Complexity

9

Size/Duplication

Total Lines	46
Duplicated Lines	0 %

Test Coverage

Coverage

0%

Importance

Changes	2
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	unexpectedToken()	0	6	1
A	__construct()	0	6	3
A	expectedButGot()	0	7	2
A	unexpectedCollectorReturn()	0	11	3

<?php
declare(strict_types=1);

namespace JsonDecodeStream\Exception;

use JsonDecodeStream\Event;
use JsonDecodeStream\Token;

class ParserException extends JsonDecodeStreamException
{
    const CODE_INVALID_ARGUMENT = 1;
    const CODE_UNEXPECTED_VALUE = 2;

    const CODE_UNEXPECTED_TOKEN = 101;
    const CODE_EXPECTED_BUT_GOT = 102;

    public function __construct($message, int $code, int $lineNumber = null, int $charNumber = null)
    {
        if ($lineNumber !== null && $charNumber !== null) {
            $message .= " at $lineNumber:$charNumber";
        }
        parent::__construct($message, $code);
    }

    public static function unexpectedToken(Token $token)
    {
        return new static(
            sprintf('Unexpected token `%s`', $token->getId()),
            static::CODE_UNEXPECTED_TOKEN,
            $token->getLineNumber(), $token->getCharNumber()
        );
    }

    public static function expectedButGot(string $expected, Token $gotToken)
    {
        $got = ($gotToken->getValue() ? json_encode($gotToken->getValue()) : $gotToken->getId());
        return new static(
            sprintf('Expected `%s` but got `%s`', $expected, $got),
            static::CODE_EXPECTED_BUT_GOT,
            $gotToken->getLineNumber(), $gotToken->getCharNumber()
        );
    }

    public static function unexpectedCollectorReturn($yielded, Event $event)
    {
        if (is_array($yielded)) {
            $dumped = 'array of ' . count($yielded);
        } else if (is_object($yielded)) {
            $dumped = get_class($yielded);
        } else {
            $dumped = gettype($yielded);
        }
        return new static(
            'Wrong value returned from collector: ' . $dumped, $event->getLineNumber(), $event->getCharNumber()
        );
    }
}