/home/kueuepay/public_html/vendor/symfony/routing/Loader/XmlFileLoader.php
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Routing\Loader;

use Symfony\Component\Config\Loader\FileLoader;
use Symfony\Component\Config\Resource\FileResource;
use Symfony\Component\Config\Util\XmlUtils;
use Symfony\Component\Routing\Loader\Configurator\Traits\HostTrait;
use Symfony\Component\Routing\Loader\Configurator\Traits\LocalizedRouteTrait;
use Symfony\Component\Routing\Loader\Configurator\Traits\PrefixTrait;
use Symfony\Component\Routing\RouteCollection;

/**
 * XmlFileLoader loads XML routing files.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Tobias Schultze <http://tobion.de>
 */
class XmlFileLoader extends FileLoader
{
    use HostTrait;
    use LocalizedRouteTrait;
    use PrefixTrait;

    public const NAMESPACE_URI = 'http://symfony.com/schema/routing';
    public const SCHEME_PATH = '/schema/routing/routing-1.0.xsd';

    /**
     * @throws \InvalidArgumentException when the file cannot be loaded or when the XML cannot be
     *                                   parsed because it does not validate against the scheme
     */
    public function load(mixed $file, string $type = null): RouteCollection
    {
        $path = $this->locator->locate($file);

        $xml = $this->loadFile($path);

        $collection = new RouteCollection();
        $collection->addResource(new FileResource($path));

        // process routes and imports
        foreach ($xml->documentElement->childNodes as $node) {
            if (!$node instanceof \DOMElement) {
                continue;
            }

            $this->parseNode($collection, $node, $path, $file);
        }

        return $collection;
    }

    /**
     * Parses a node from a loaded XML file.
     *
     * @throws \InvalidArgumentException When the XML is invalid
     */
    protected function parseNode(RouteCollection $collection, \DOMElement $node, string $path, string $file)
    {
        if (self::NAMESPACE_URI !== $node->namespaceURI) {
            return;
        }

        switch ($node->localName) {
            case 'route':
                $this->parseRoute($collection, $node, $path);
                break;
            case 'import':
                $this->parseImport($collection, $node, $path, $file);
                break;
            case 'when':
                if (!$this->env || $node->getAttribute('env') !== $this->env) {
                    break;
                }
                foreach ($node->childNodes as $node) {
                    if ($node instanceof \DOMElement) {
                        $this->parseNode($collection, $node, $path, $file);
                    }
                }
                break;
            default:
                throw new \InvalidArgumentException(sprintf('Unknown tag "%s" used in file "%s". Expected "route" or "import".', $node->localName, $path));
        }
    }

    /**
     * {@inheritdoc}
     */
    public function supports(mixed $resource, string $type = null): bool
    {
        return \is_string($resource) && 'xml' === pathinfo($resource, \PATHINFO_EXTENSION) && (!$type || 'xml' === $type);
    }

    /**
     * Parses a route and adds it to the RouteCollection.
     *
     * @throws \InvalidArgumentException When the XML is invalid
     */
    protected function parseRoute(RouteCollection $collection, \DOMElement $node, string $path)
    {
        if ('' === $id = $node->getAttribute('id')) {
            throw new \InvalidArgumentException(sprintf('The <route> element in file "%s" must have an "id" attribute.', $path));
        }

        if ('' !== $alias = $node->getAttribute('alias')) {
            $alias = $collection->addAlias($id, $alias);

            if ($deprecationInfo = $this->parseDeprecation($node, $path)) {
                $alias->setDeprecated($deprecationInfo['package'], $deprecationInfo['version'], $deprecationInfo['message']);
            }

            return;
        }

        $schemes = preg_split('/[\s,\|]++/', $node->getAttribute('schemes'), -1, \PREG_SPLIT_NO_EMPTY);
        $methods = preg_split('/[\s,\|]++/', $node->getAttribute('methods'), -1, \PREG_SPLIT_NO_EMPTY);

        [$defaults, $requirements, $options, $condition, $paths, /* $prefixes */, $hosts] = $this->parseConfigs($node, $path);

        if (!$paths && '' === $node->getAttribute('path')) {
            throw new \InvalidArgumentException(sprintf('The <route> element in file "%s" must have a "path" attribute or <path> child nodes.', $path));
        }

        if ($paths && '' !== $node->getAttribute('path')) {
            throw new \InvalidArgumentException(sprintf('The <route> element in file "%s" must not have both a "path" attribute and <path> child nodes.', $path));
        }

        $routes = $this->createLocalizedRoute($collection, $id, $paths ?: $node->getAttribute('path'));
        $routes->addDefaults($defaults);
        $routes->addRequirements($requirements);
        $routes->addOptions($options);
        $routes->setSchemes($schemes);
        $routes->setMethods($methods);
        $routes->setCondition($condition);

        if (null !== $hosts) {
            $this->addHost($routes, $hosts);
        }
    }

    /**
     * Parses an import and adds the routes in the resource to the RouteCollection.
     *
     * @throws \InvalidArgumentException When the XML is invalid
     */
    protected function parseImport(RouteCollection $collection, \DOMElement $node, string $path, string $file)
    {
        if ('' === $resource = $node->getAttribute('resource')) {
            throw new \InvalidArgumentException(sprintf('The <import> element in file "%s" must have a "resource" attribute.', $path));
        }

        $type = $node->getAttribute('type');
        $prefix = $node->getAttribute('prefix');
        $schemes = $node->hasAttribute('schemes') ? preg_split('/[\s,\|]++/', $node->getAttribute('schemes'), -1, \PREG_SPLIT_NO_EMPTY) : null;
        $methods = $node->hasAttribute('methods') ? preg_split('/[\s,\|]++/', $node->getAttribute('methods'), -1, \PREG_SPLIT_NO_EMPTY) : null;
        $trailingSlashOnRoot = $node->hasAttribute('trailing-slash-on-root') ? XmlUtils::phpize($node->getAttribute('trailing-slash-on-root')) : true;
        $namePrefix = $node->getAttribute('name-prefix') ?: null;

        [$defaults, $requirements, $options, $condition, /* $paths */, $prefixes, $hosts] = $this->parseConfigs($node, $path);

        if ('' !== $prefix && $prefixes) {
            throw new \InvalidArgumentException(sprintf('The <route> element in file "%s" must not have both a "prefix" attribute and <prefix> child nodes.', $path));
        }

        $exclude = [];
        foreach ($node->childNodes as $child) {
            if ($child instanceof \DOMElement && $child->localName === $exclude && self::NAMESPACE_URI === $child->namespaceURI) {
                $exclude[] = $child->nodeValue;
            }
        }

        if ($node->hasAttribute('exclude')) {
            if ($exclude) {
                throw new \InvalidArgumentException('You cannot use both the attribute "exclude" and <exclude> tags at the same time.');
            }
            $exclude = [$node->getAttribute('exclude')];
        }

        $this->setCurrentDir(\dirname($path));

        /** @var RouteCollection[] $imported */
        $imported = $this->import($resource, '' !== $type ? $type : null, false, $file, $exclude) ?: [];

        if (!\is_array($imported)) {
            $imported = [$imported];
        }

        foreach ($imported as $subCollection) {
            $this->addPrefix($subCollection, $prefixes ?: $prefix, $trailingSlashOnRoot);

            if (null !== $hosts) {
                $this->addHost($subCollection, $hosts);
            }

            if (null !== $condition) {
                $subCollection->setCondition($condition);
            }
            if (null !== $schemes) {
                $subCollection->setSchemes($schemes);
            }
            if (null !== $methods) {
                $subCollection->setMethods($methods);
            }
            if (null !== $namePrefix) {
                $subCollection->addNamePrefix($namePrefix);
            }
            $subCollection->addDefaults($defaults);
            $subCollection->addRequirements($requirements);
            $subCollection->addOptions($options);

            $collection->addCollection($subCollection);
        }
    }

    /**
     * @throws \InvalidArgumentException When loading of XML file fails because of syntax errors
     *                                   or when the XML structure is not as expected by the scheme -
     *                                   see validate()
     */
    protected function loadFile(string $file): \DOMDocument
    {
        return XmlUtils::loadFile($file, __DIR__.static::SCHEME_PATH);
    }

    /**
     * Parses the config elements (default, requirement, option).
     *
     * @throws \InvalidArgumentException When the XML is invalid
     */
    private function parseConfigs(\DOMElement $node, string $path): array
    {
        $defaults = [];
        $requirements = [];
        $options = [];
        $condition = null;
        $prefixes = [];
        $paths = [];
        $hosts = [];

        /** @var \DOMElement $n */
        foreach ($node->getElementsByTagNameNS(self::NAMESPACE_URI, '*') as $n) {
            if ($node !== $n->parentNode) {
                continue;
            }

            switch ($n->localName) {
                case 'path':
                    $paths[$n->getAttribute('locale')] = trim($n->textContent);
                    break;
                case 'host':
                    $hosts[$n->getAttribute('locale')] = trim($n->textContent);
                    break;
                case 'prefix':
                    $prefixes[$n->getAttribute('locale')] = trim($n->textContent);
                    break;
                case 'default':
                    if ($this->isElementValueNull($n)) {
                        $defaults[$n->getAttribute('key')] = null;
                    } else {
                        $defaults[$n->getAttribute('key')] = $this->parseDefaultsConfig($n, $path);
                    }

                    break;
                case 'requirement':
                    $requirements[$n->getAttribute('key')] = trim($n->textContent);
                    break;
                case 'option':
                    $options[$n->getAttribute('key')] = XmlUtils::phpize(trim($n->textContent));
                    break;
                case 'condition':
                    $condition = trim($n->textContent);
                    break;
                default:
                    throw new \InvalidArgumentException(sprintf('Unknown tag "%s" used in file "%s". Expected "default", "requirement", "option" or "condition".', $n->localName, $path));
            }
        }

        if ($controller = $node->getAttribute('controller')) {
            if (isset($defaults['_controller'])) {
                $name = $node->hasAttribute('id') ? sprintf('"%s".', $node->getAttribute('id')) : sprintf('the "%s" tag.', $node->tagName);

                throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify both the "controller" attribute and the defaults key "_controller" for ', $path).$name);
            }

            $defaults['_controller'] = $controller;
        }
        if ($node->hasAttribute('locale')) {
            $defaults['_locale'] = $node->getAttribute('locale');
        }
        if ($node->hasAttribute('format')) {
            $defaults['_format'] = $node->getAttribute('format');
        }
        if ($node->hasAttribute('utf8')) {
            $options['utf8'] = XmlUtils::phpize($node->getAttribute('utf8'));
        }
        if ($stateless = $node->getAttribute('stateless')) {
            if (isset($defaults['_stateless'])) {
                $name = $node->hasAttribute('id') ? sprintf('"%s".', $node->getAttribute('id')) : sprintf('the "%s" tag.', $node->tagName);

                throw new \InvalidArgumentException(sprintf('The routing file "%s" must not specify both the "stateless" attribute and the defaults key "_stateless" for ', $path).$name);
            }

            $defaults['_stateless'] = XmlUtils::phpize($stateless);
        }

        if (!$hosts) {
            $hosts = $node->hasAttribute('host') ? $node->getAttribute('host') : null;
        }

        return [$defaults, $requirements, $options, $condition, $paths, $prefixes, $hosts];
    }

    /**
     * Parses the "default" elements.
     */
    private function parseDefaultsConfig(\DOMElement $element, string $path): array|bool|float|int|string|null
    {
        if ($this->isElementValueNull($element)) {
            return null;
        }

        // Check for existing element nodes in the default element. There can
        // only be a single element inside a default element. So this element
        // (if one was found) can safely be returned.
        foreach ($element->childNodes as $child) {
            if (!$child instanceof \DOMElement) {
                continue;
            }

            if (self::NAMESPACE_URI !== $child->namespaceURI) {
                continue;
            }

            return $this->parseDefaultNode($child, $path);
        }

        // If the default element doesn't contain a nested "bool", "int", "float",
        // "string", "list", or "map" element, the element contents will be treated
        // as the string value of the associated default option.
        return trim($element->textContent);
    }

    /**
     * Recursively parses the value of a "default" element.
     *
     * @throws \InvalidArgumentException when the XML is invalid
     */
    private function parseDefaultNode(\DOMElement $node, string $path): array|bool|float|int|string|null
    {
        if ($this->isElementValueNull($node)) {
            return null;
        }

        switch ($node->localName) {
            case 'bool':
                return 'true' === trim($node->nodeValue) || '1' === trim($node->nodeValue);
            case 'int':
                return (int) trim($node->nodeValue);
            case 'float':
                return (float) trim($node->nodeValue);
            case 'string':
                return trim($node->nodeValue);
            case 'list':
                $list = [];

                foreach ($node->childNodes as $element) {
                    if (!$element instanceof \DOMElement) {
                        continue;
                    }

                    if (self::NAMESPACE_URI !== $element->namespaceURI) {
                        continue;
                    }

                    $list[] = $this->parseDefaultNode($element, $path);
                }

                return $list;
            case 'map':
                $map = [];

                foreach ($node->childNodes as $element) {
                    if (!$element instanceof \DOMElement) {
                        continue;
                    }

                    if (self::NAMESPACE_URI !== $element->namespaceURI) {
                        continue;
                    }

                    $map[$element->getAttribute('key')] = $this->parseDefaultNode($element, $path);
                }

                return $map;
            default:
                throw new \InvalidArgumentException(sprintf('Unknown tag "%s" used in file "%s". Expected "bool", "int", "float", "string", "list", or "map".', $node->localName, $path));
        }
    }

    private function isElementValueNull(\DOMElement $element): bool
    {
        $namespaceUri = 'http://www.w3.org/2001/XMLSchema-instance';

        if (!$element->hasAttributeNS($namespaceUri, 'nil')) {
            return false;
        }

        return 'true' === $element->getAttributeNS($namespaceUri, 'nil') || '1' === $element->getAttributeNS($namespaceUri, 'nil');
    }

    /**
     * Parses the deprecation elements.
     *
     * @throws \InvalidArgumentException When the XML is invalid
     */
    private function parseDeprecation(\DOMElement $node, string $path): array
    {
        $deprecatedNode = null;
        foreach ($node->childNodes as $child) {
            if (!$child instanceof \DOMElement || self::NAMESPACE_URI !== $child->namespaceURI) {
                continue;
            }
            if ('deprecated' !== $child->localName) {
                throw new \InvalidArgumentException(sprintf('Invalid child element "%s" defined for alias "%s" in "%s".', $child->localName, $node->getAttribute('id'), $path));
            }

            $deprecatedNode = $child;
        }

        if (null === $deprecatedNode) {
            return [];
        }

        if (!$deprecatedNode->hasAttribute('package')) {
            throw new \InvalidArgumentException(sprintf('The <deprecated> element in file "%s" must have a "package" attribute.', $path));
        }
        if (!$deprecatedNode->hasAttribute('version')) {
            throw new \InvalidArgumentException(sprintf('The <deprecated> element in file "%s" must have a "version" attribute.', $path));
        }

        return [
            'package' => $deprecatedNode->getAttribute('package'),
            'version' => $deprecatedNode->getAttribute('version'),
            'message' => trim($deprecatedNode->nodeValue),
        ];
    }
}
About
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About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

  • Simplifying Payments, One Tap at a Time.
  • Reinventing Your Wallet for Modern Convenience.
  • Smart Payments for a Effortless Lifestyle.
  • Experience the Ease of Tap and Pay.
  • Innovative Solutions for Your Daily Transactions.

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

faq-img

How do I register for NFC Pay?

Download the app and sign up using your email or phone number, then complete the verification process.

Is my payment information secure?

Yes, we use advanced encryption and security protocols to protect your payment details.

Can I add multiple cards to my NFC Pay wallet?

Absolutely, you can link multiple debit or credit cards to your wallet.

How do I transfer money to another user?

Go to the transfer section, select the recipient, enter the amount, and authorize the transfer.

What should I do if I forget my PIN?

Use the “Forgot PIN” feature in the app to reset it following the provided instructions.

How can I activate my merchant account?

Sign up for a merchant account through the app and follow the setup instructions to start accepting payments.

Can I track my payment status?

Yes, you can view and track your payment status in the account dashboard