<?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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