File: src/JSONPathToken.php

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File: src/JSONPathToken.php
Role: Class source
Content type: text/plain
Description: Class source
Class: PHP JSON Path
Query values from data structures like XPATH
Author: By
Last change:
Date: 10 months ago
Size: 1,777 bytes
 

Contents

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<?php

/**
 * JSONPath implementation for PHP.
 *
 * @license https://github.com/SoftCreatR/JSONPath/blob/main/LICENSE MIT License
 */

declare(strict_types=1);

namespace
Flow\JSONPath;

use function
class_exists;
use function
in_array;
use function
ucfirst;

class
JSONPathToken
{
   
/*
     * Tokens
     */
   
public const T_INDEX = 'index';
    public const
T_RECURSIVE = 'recursive';
    public const
T_QUERY_RESULT = 'queryResult';
    public const
T_QUERY_MATCH = 'queryMatch';
    public const
T_SLICE = 'slice';
    public const
T_INDEXES = 'indexes';

   
/**
     * @var string
     */
   
public $type;

    public
$value;

   
/**
     * @throws JSONPathException
     */
   
public function __construct(string $type, $value)
    {
       
$this->validateType($type);

       
$this->type = $type;
       
$this->value = $value;
    }

   
/**
     * @throws JSONPathException
     */
   
public function validateType(string $type): void
   
{
        if (!
in_array($type, static::getTypes(), true)) {
            throw new
JSONPathException('Invalid token: ' . $type);
        }
    }

    public static function
getTypes(): array
    {
        return [
            static::
T_INDEX,
            static::
T_RECURSIVE,
            static::
T_QUERY_RESULT,
            static::
T_QUERY_MATCH,
            static::
T_SLICE,
            static::
T_INDEXES,
        ];
    }

   
/**
     * @throws JSONPathException
     */
   
public function buildFilter(bool $options)
    {
       
$filterClass = 'Flow\\JSONPath\\Filters\\' . ucfirst($this->type) . 'Filter';

        if (!
class_exists($filterClass)) {
            throw new
JSONPathException("No filter class exists for token [{$this->type}]");
        }

        return new
$filterClass($this, $options);
    }
}

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