/home/kueuepay/public_html/vendor/composer/semver/src/VersionParser.php
<?php

/*
 * This file is part of composer/semver.
 *
 * (c) Composer <https://github.com/composer>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Composer\Semver;

use Composer\Semver\Constraint\ConstraintInterface;
use Composer\Semver\Constraint\MatchAllConstraint;
use Composer\Semver\Constraint\MultiConstraint;
use Composer\Semver\Constraint\Constraint;

/**
 * Version parser.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class VersionParser
{
    /**
     * Regex to match pre-release data (sort of).
     *
     * Due to backwards compatibility:
     *   - Instead of enforcing hyphen, an underscore, dot or nothing at all are also accepted.
     *   - Only stabilities as recognized by Composer are allowed to precede a numerical identifier.
     *   - Numerical-only pre-release identifiers are not supported, see tests.
     *
     *                        |--------------|
     * [major].[minor].[patch] -[pre-release] +[build-metadata]
     *
     * @var string
     */
    private static $modifierRegex = '[._-]?(?:(stable|beta|b|RC|alpha|a|patch|pl|p)((?:[.-]?\d+)*+)?)?([.-]?dev)?';

    /** @var string */
    private static $stabilitiesRegex = 'stable|RC|beta|alpha|dev';

    /**
     * Returns the stability of a version.
     *
     * @param string $version
     *
     * @return string
     * @phpstan-return 'stable'|'RC'|'beta'|'alpha'|'dev'
     */
    public static function parseStability($version)
    {
        $version = (string) preg_replace('{#.+$}', '', (string) $version);

        if (strpos($version, 'dev-') === 0 || '-dev' === substr($version, -4)) {
            return 'dev';
        }

        preg_match('{' . self::$modifierRegex . '(?:\+.*)?$}i', strtolower($version), $match);

        if (!empty($match[3])) {
            return 'dev';
        }

        if (!empty($match[1])) {
            if ('beta' === $match[1] || 'b' === $match[1]) {
                return 'beta';
            }
            if ('alpha' === $match[1] || 'a' === $match[1]) {
                return 'alpha';
            }
            if ('rc' === $match[1]) {
                return 'RC';
            }
        }

        return 'stable';
    }

    /**
     * @param string $stability
     *
     * @return string
     */
    public static function normalizeStability($stability)
    {
        $stability = strtolower((string) $stability);

        return $stability === 'rc' ? 'RC' : $stability;
    }

    /**
     * Normalizes a version string to be able to perform comparisons on it.
     *
     * @param string $version
     * @param ?string $fullVersion optional complete version string to give more context
     *
     * @throws \UnexpectedValueException
     *
     * @return string
     */
    public function normalize($version, $fullVersion = null)
    {
        $version = trim((string) $version);
        $origVersion = $version;
        if (null === $fullVersion) {
            $fullVersion = $version;
        }

        // strip off aliasing
        if (preg_match('{^([^,\s]++) ++as ++([^,\s]++)$}', $version, $match)) {
            $version = $match[1];
        }

        // strip off stability flag
        if (preg_match('{@(?:' . self::$stabilitiesRegex . ')$}i', $version, $match)) {
            $version = substr($version, 0, strlen($version) - strlen($match[0]));
        }

        // normalize master/trunk/default branches to dev-name for BC with 1.x as these used to be valid constraints
        if (\in_array($version, array('master', 'trunk', 'default'), true)) {
            $version = 'dev-' . $version;
        }

        // if requirement is branch-like, use full name
        if (stripos($version, 'dev-') === 0) {
            return 'dev-' . substr($version, 4);
        }

        // strip off build metadata
        if (preg_match('{^([^,\s+]++)\+[^\s]++$}', $version, $match)) {
            $version = $match[1];
        }

        // match classical versioning
        if (preg_match('{^v?(\d{1,5}+)(\.\d++)?(\.\d++)?(\.\d++)?' . self::$modifierRegex . '$}i', $version, $matches)) {
            $version = $matches[1]
                . (!empty($matches[2]) ? $matches[2] : '.0')
                . (!empty($matches[3]) ? $matches[3] : '.0')
                . (!empty($matches[4]) ? $matches[4] : '.0');
            $index = 5;
        // match date(time) based versioning
        } elseif (preg_match('{^v?(\d{4}(?:[.:-]?\d{2}){1,6}(?:[.:-]?\d{1,3}){0,2})' . self::$modifierRegex . '$}i', $version, $matches)) {
            $version = (string) preg_replace('{\D}', '.', $matches[1]);
            $index = 2;
        }

        // add version modifiers if a version was matched
        if (isset($index)) {
            if (!empty($matches[$index])) {
                if ('stable' === $matches[$index]) {
                    return $version;
                }
                $version .= '-' . $this->expandStability($matches[$index]) . (isset($matches[$index + 1]) && '' !== $matches[$index + 1] ? ltrim($matches[$index + 1], '.-') : '');
            }

            if (!empty($matches[$index + 2])) {
                $version .= '-dev';
            }

            return $version;
        }

        // match dev branches
        if (preg_match('{(.*?)[.-]?dev$}i', $version, $match)) {
            try {
                $normalized = $this->normalizeBranch($match[1]);
                // a branch ending with -dev is only valid if it is numeric
                // if it gets prefixed with dev- it means the branch name should
                // have had a dev- prefix already when passed to normalize
                if (strpos($normalized, 'dev-') === false) {
                    return $normalized;
                }
            } catch (\Exception $e) {
            }
        }

        $extraMessage = '';
        if (preg_match('{ +as +' . preg_quote($version) . '(?:@(?:'.self::$stabilitiesRegex.'))?$}', $fullVersion)) {
            $extraMessage = ' in "' . $fullVersion . '", the alias must be an exact version';
        } elseif (preg_match('{^' . preg_quote($version) . '(?:@(?:'.self::$stabilitiesRegex.'))? +as +}', $fullVersion)) {
            $extraMessage = ' in "' . $fullVersion . '", the alias source must be an exact version, if it is a branch name you should prefix it with dev-';
        }

        throw new \UnexpectedValueException('Invalid version string "' . $origVersion . '"' . $extraMessage);
    }

    /**
     * Extract numeric prefix from alias, if it is in numeric format, suitable for version comparison.
     *
     * @param string $branch Branch name (e.g. 2.1.x-dev)
     *
     * @return string|false Numeric prefix if present (e.g. 2.1.) or false
     */
    public function parseNumericAliasPrefix($branch)
    {
        if (preg_match('{^(?P<version>(\d++\\.)*\d++)(?:\.x)?-dev$}i', (string) $branch, $matches)) {
            return $matches['version'] . '.';
        }

        return false;
    }

    /**
     * Normalizes a branch name to be able to perform comparisons on it.
     *
     * @param string $name
     *
     * @return string
     */
    public function normalizeBranch($name)
    {
        $name = trim((string) $name);

        if (preg_match('{^v?(\d++)(\.(?:\d++|[xX*]))?(\.(?:\d++|[xX*]))?(\.(?:\d++|[xX*]))?$}i', $name, $matches)) {
            $version = '';
            for ($i = 1; $i < 5; ++$i) {
                $version .= isset($matches[$i]) ? str_replace(array('*', 'X'), 'x', $matches[$i]) : '.x';
            }

            return str_replace('x', '9999999', $version) . '-dev';
        }

        return 'dev-' . $name;
    }

    /**
     * Normalizes a default branch name (i.e. master on git) to 9999999-dev.
     *
     * @param string $name
     *
     * @return string
     *
     * @deprecated No need to use this anymore in theory, Composer 2 does not normalize any branch names to 9999999-dev anymore
     */
    public function normalizeDefaultBranch($name)
    {
        if ($name === 'dev-master' || $name === 'dev-default' || $name === 'dev-trunk') {
            return '9999999-dev';
        }

        return (string) $name;
    }

    /**
     * Parses a constraint string into MultiConstraint and/or Constraint objects.
     *
     * @param string $constraints
     *
     * @return ConstraintInterface
     */
    public function parseConstraints($constraints)
    {
        $prettyConstraint = (string) $constraints;

        $orConstraints = preg_split('{\s*\|\|?\s*}', trim((string) $constraints));
        if (false === $orConstraints) {
            throw new \RuntimeException('Failed to preg_split string: '.$constraints);
        }
        $orGroups = array();

        foreach ($orConstraints as $orConstraint) {
            $andConstraints = preg_split('{(?<!^|as|[=>< ,]) *(?<!-)[, ](?!-) *(?!,|as|$)}', $orConstraint);
            if (false === $andConstraints) {
                throw new \RuntimeException('Failed to preg_split string: '.$orConstraint);
            }
            if (\count($andConstraints) > 1) {
                $constraintObjects = array();
                foreach ($andConstraints as $andConstraint) {
                    foreach ($this->parseConstraint($andConstraint) as $parsedAndConstraint) {
                        $constraintObjects[] = $parsedAndConstraint;
                    }
                }
            } else {
                $constraintObjects = $this->parseConstraint($andConstraints[0]);
            }

            if (1 === \count($constraintObjects)) {
                $constraint = $constraintObjects[0];
            } else {
                $constraint = new MultiConstraint($constraintObjects);
            }

            $orGroups[] = $constraint;
        }

        $parsedConstraint = MultiConstraint::create($orGroups, false);

        $parsedConstraint->setPrettyString($prettyConstraint);

        return $parsedConstraint;
    }

    /**
     * @param string $constraint
     *
     * @throws \UnexpectedValueException
     *
     * @return array
     *
     * @phpstan-return non-empty-array<ConstraintInterface>
     */
    private function parseConstraint($constraint)
    {
        // strip off aliasing
        if (preg_match('{^([^,\s]++) ++as ++([^,\s]++)$}', $constraint, $match)) {
            $constraint = $match[1];
        }

        // strip @stability flags, and keep it for later use
        if (preg_match('{^([^,\s]*?)@(' . self::$stabilitiesRegex . ')$}i', $constraint, $match)) {
            $constraint = '' !== $match[1] ? $match[1] : '*';
            if ($match[2] !== 'stable') {
                $stabilityModifier = $match[2];
            }
        }

        // get rid of #refs as those are used by composer only
        if (preg_match('{^(dev-[^,\s@]+?|[^,\s@]+?\.x-dev)#.+$}i', $constraint, $match)) {
            $constraint = $match[1];
        }

        if (preg_match('{^(v)?[xX*](\.[xX*])*$}i', $constraint, $match)) {
            if (!empty($match[1]) || !empty($match[2])) {
                return array(new Constraint('>=', '0.0.0.0-dev'));
            }

            return array(new MatchAllConstraint());
        }

        $versionRegex = 'v?(\d++)(?:\.(\d++))?(?:\.(\d++))?(?:\.(\d++))?(?:' . self::$modifierRegex . '|\.([xX*][.-]?dev))(?:\+[^\s]+)?';

        // Tilde Range
        //
        // Like wildcard constraints, unsuffixed tilde constraints say that they must be greater than the previous
        // version, to ensure that unstable instances of the current version are allowed. However, if a stability
        // suffix is added to the constraint, then a >= match on the current version is used instead.
        if (preg_match('{^~>?' . $versionRegex . '$}i', $constraint, $matches)) {
            if (strpos($constraint, '~>') === 0) {
                throw new \UnexpectedValueException(
                    'Could not parse version constraint ' . $constraint . ': ' .
                    'Invalid operator "~>", you probably meant to use the "~" operator'
                );
            }

            // Work out which position in the version we are operating at
            if (isset($matches[4]) && '' !== $matches[4] && null !== $matches[4]) {
                $position = 4;
            } elseif (isset($matches[3]) && '' !== $matches[3] && null !== $matches[3]) {
                $position = 3;
            } elseif (isset($matches[2]) && '' !== $matches[2] && null !== $matches[2]) {
                $position = 2;
            } else {
                $position = 1;
            }

            // when matching 2.x-dev or 3.0.x-dev we have to shift the second or third number, despite no second/third number matching above
            if (!empty($matches[8])) {
                $position++;
            }

            // Calculate the stability suffix
            $stabilitySuffix = '';
            if (empty($matches[5]) && empty($matches[7]) && empty($matches[8])) {
                $stabilitySuffix .= '-dev';
            }

            $lowVersion = $this->normalize(substr($constraint . $stabilitySuffix, 1));
            $lowerBound = new Constraint('>=', $lowVersion);

            // For upper bound, we increment the position of one more significance,
            // but highPosition = 0 would be illegal
            $highPosition = max(1, $position - 1);
            $highVersion = $this->manipulateVersionString($matches, $highPosition, 1) . '-dev';
            $upperBound = new Constraint('<', $highVersion);

            return array(
                $lowerBound,
                $upperBound,
            );
        }

        // Caret Range
        //
        // Allows changes that do not modify the left-most non-zero digit in the [major, minor, patch] tuple.
        // In other words, this allows patch and minor updates for versions 1.0.0 and above, patch updates for
        // versions 0.X >=0.1.0, and no updates for versions 0.0.X
        if (preg_match('{^\^' . $versionRegex . '($)}i', $constraint, $matches)) {
            // Work out which position in the version we are operating at
            if ('0' !== $matches[1] || '' === $matches[2] || null === $matches[2]) {
                $position = 1;
            } elseif ('0' !== $matches[2] || '' === $matches[3] || null === $matches[3]) {
                $position = 2;
            } else {
                $position = 3;
            }

            // Calculate the stability suffix
            $stabilitySuffix = '';
            if (empty($matches[5]) && empty($matches[7]) && empty($matches[8])) {
                $stabilitySuffix .= '-dev';
            }

            $lowVersion = $this->normalize(substr($constraint . $stabilitySuffix, 1));
            $lowerBound = new Constraint('>=', $lowVersion);

            // For upper bound, we increment the position of one more significance,
            // but highPosition = 0 would be illegal
            $highVersion = $this->manipulateVersionString($matches, $position, 1) . '-dev';
            $upperBound = new Constraint('<', $highVersion);

            return array(
                $lowerBound,
                $upperBound,
            );
        }

        // X Range
        //
        // Any of X, x, or * may be used to "stand in" for one of the numeric values in the [major, minor, patch] tuple.
        // A partial version range is treated as an X-Range, so the special character is in fact optional.
        if (preg_match('{^v?(\d++)(?:\.(\d++))?(?:\.(\d++))?(?:\.[xX*])++$}', $constraint, $matches)) {
            if (isset($matches[3]) && '' !== $matches[3] && null !== $matches[3]) {
                $position = 3;
            } elseif (isset($matches[2]) && '' !== $matches[2] && null !== $matches[2]) {
                $position = 2;
            } else {
                $position = 1;
            }

            $lowVersion = $this->manipulateVersionString($matches, $position) . '-dev';
            $highVersion = $this->manipulateVersionString($matches, $position, 1) . '-dev';

            if ($lowVersion === '0.0.0.0-dev') {
                return array(new Constraint('<', $highVersion));
            }

            return array(
                new Constraint('>=', $lowVersion),
                new Constraint('<', $highVersion),
            );
        }

        // Hyphen Range
        //
        // Specifies an inclusive set. If a partial version is provided as the first version in the inclusive range,
        // then the missing pieces are replaced with zeroes. If a partial version is provided as the second version in
        // the inclusive range, then all versions that start with the supplied parts of the tuple are accepted, but
        // nothing that would be greater than the provided tuple parts.
        if (preg_match('{^(?P<from>' . $versionRegex . ') +- +(?P<to>' . $versionRegex . ')($)}i', $constraint, $matches)) {
            // Calculate the stability suffix
            $lowStabilitySuffix = '';
            if (empty($matches[6]) && empty($matches[8]) && empty($matches[9])) {
                $lowStabilitySuffix = '-dev';
            }

            $lowVersion = $this->normalize($matches['from']);
            $lowerBound = new Constraint('>=', $lowVersion . $lowStabilitySuffix);

            $empty = function ($x) {
                return ($x === 0 || $x === '0') ? false : empty($x);
            };

            if ((!$empty($matches[12]) && !$empty($matches[13])) || !empty($matches[15]) || !empty($matches[17]) || !empty($matches[18])) {
                $highVersion = $this->normalize($matches['to']);
                $upperBound = new Constraint('<=', $highVersion);
            } else {
                $highMatch = array('', $matches[11], $matches[12], $matches[13], $matches[14]);

                // validate to version
                $this->normalize($matches['to']);

                $highVersion = $this->manipulateVersionString($highMatch, $empty($matches[12]) ? 1 : 2, 1) . '-dev';
                $upperBound = new Constraint('<', $highVersion);
            }

            return array(
                $lowerBound,
                $upperBound,
            );
        }

        // Basic Comparators
        if (preg_match('{^(<>|!=|>=?|<=?|==?)?\s*(.*)}', $constraint, $matches)) {
            try {
                try {
                    $version = $this->normalize($matches[2]);
                } catch (\UnexpectedValueException $e) {
                    // recover from an invalid constraint like foobar-dev which should be dev-foobar
                    // except if the constraint uses a known operator, in which case it must be a parse error
                    if (substr($matches[2], -4) === '-dev' && preg_match('{^[0-9a-zA-Z-./]+$}', $matches[2])) {
                        $version = $this->normalize('dev-'.substr($matches[2], 0, -4));
                    } else {
                        throw $e;
                    }
                }

                $op = $matches[1] ?: '=';

                if ($op !== '==' && $op !== '=' && !empty($stabilityModifier) && self::parseStability($version) === 'stable') {
                    $version .= '-' . $stabilityModifier;
                } elseif ('<' === $op || '>=' === $op) {
                    if (!preg_match('/-' . self::$modifierRegex . '$/', strtolower($matches[2]))) {
                        if (strpos($matches[2], 'dev-') !== 0) {
                            $version .= '-dev';
                        }
                    }
                }

                return array(new Constraint($matches[1] ?: '=', $version));
            } catch (\Exception $e) {
            }
        }

        $message = 'Could not parse version constraint ' . $constraint;
        if (isset($e)) {
            $message .= ': ' . $e->getMessage();
        }

        throw new \UnexpectedValueException($message);
    }

    /**
     * Increment, decrement, or simply pad a version number.
     *
     * Support function for {@link parseConstraint()}
     *
     * @param array  $matches   Array with version parts in array indexes 1,2,3,4
     * @param int    $position  1,2,3,4 - which segment of the version to increment/decrement
     * @param int    $increment
     * @param string $pad       The string to pad version parts after $position
     *
     * @return string|null The new version
     *
     * @phpstan-param string[] $matches
     */
    private function manipulateVersionString(array $matches, $position, $increment = 0, $pad = '0')
    {
        for ($i = 4; $i > 0; --$i) {
            if ($i > $position) {
                $matches[$i] = $pad;
            } elseif ($i === $position && $increment) {
                $matches[$i] += $increment;
                // If $matches[$i] was 0, carry the decrement
                if ($matches[$i] < 0) {
                    $matches[$i] = $pad;
                    --$position;

                    // Return null on a carry overflow
                    if ($i === 1) {
                        return null;
                    }
                }
            }
        }

        return $matches[1] . '.' . $matches[2] . '.' . $matches[3] . '.' . $matches[4];
    }

    /**
     * Expand shorthand stability string to long version.
     *
     * @param string $stability
     *
     * @return string
     */
    private function expandStability($stability)
    {
        $stability = strtolower($stability);

        switch ($stability) {
            case 'a':
                return 'alpha';
            case 'b':
                return 'beta';
            case 'p':
            case 'pl':
                return 'patch';
            case 'rc':
                return 'RC';
            default:
                return $stability;
        }
    }
}
FAQ

FAQ

1. What is the Kueue Pay Payment Gateway?

The Kueue Pay Payment Gateway is an innovative technology that facilitates seamless and secure transactions between merchants and their customers. It enables businesses to accept debit and credit card payments both online and in physical stores.

2. How does the Kueue Pay Payment Gateway work?

The Kueue Pay Payment Gateway acts as a bridge between a merchant’s website or point-of-sale system and the payment processing network. It securely transmits payment information, authorizes transactions, and provides real-time status updates.

3. What is the advantage of using Kueue Pay’s Developer API?

The Kueue Pay Developer API empowers developers and entrepreneurs to integrate the Kueue Pay Payment Gateway directly into their websites or applications. This streamlines the payment process for customers and provides businesses with a customizable and efficient payment solution.

4. How can I access the Kueue Pay Developer API?

To access the Kueue Pay Developer API, you need to sign up for a developer account on our platform. Once registered, you’ll receive an API key that you can use to authenticate your API requests.

5. What types of transactions can I handle with the Kueue Pay Developer API?

The Kueue Pay Developer API allows you to initiate payments, check the status of payments, and process refunds. You can create a seamless payment experience for your customers while maintaining control over transaction management.

6. Is the Kueue Pay Developer API suitable for my business size and industry?

Yes, the Kueue Pay Developer API is designed to accommodate businesses of varying sizes and industries. Whether you’re a small online store or a large enterprise, our API can be tailored to fit your specific payment needs.

7. How user-friendly is the Kueue Pay Developer API integration process?

The Kueue Pay Developer API is designed with simplicity and ease of use in mind. Our comprehensive documentation, code samples, and developer support resources ensure a smooth integration process for any web platform.

8. Are there any fees associated with using the Kueue Pay Payment Gateway and API?

We offer competitive pricing plans for using the Kueue Pay Payment Gateway and Developer API. Details about fees and pricing tiers can be found on our developer portal.

9. Can I customize the payment experience for my customers using the Kueue Pay API?

Absolutely, the Kueue Pay Developer API offers customization options that allow you to tailor the payment experience to match your brand and user interface. You can create a seamless and cohesive payment journey for your customers.

10. What kind of support is available if I encounter issues during API integration?

We provide dedicated developer support to assist you with any issues or questions you may have during the API integration process. Reach out to our support team at developersupport@NFCPay.com for prompt assistance.

Remember, our goal is to empower your business with a robust and efficient payment solution. If you have any additional questions or concerns, feel free to explore our developer portal or contact our support team.