Completed
Branch master (6c7c3c)
by Joschi
02:33
created

ProfiledNamesFactory::consumeProfiledName()   A

Complexity

Conditions 4
Paths 3

Size

Total Lines 18
Code Lines 9

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 9
CRAP Score 4

Importance

Changes 0
Metric Value
dl 0
loc 18
ccs 9
cts 9
cp 1
rs 9.2
c 0
b 0
f 0
cc 4
eloc 9
nc 3
nop 2
crap 4
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<?php
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/**
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 * micrometa
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 *
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 * @category Jkphl
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 * @package Jkphl\Micrometa
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 * @subpackage Jkphl\Micrometa\Infrastructure
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 * @author Joschi Kuphal <[email protected]> / @jkphl
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 * @copyright Copyright © 2017 Joschi Kuphal <[email protected]> / @jkphl
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 * @license http://opensource.org/licenses/MIT The MIT License (MIT)
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 */
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/***********************************************************************************
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 *  The MIT License (MIT)
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 *
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 *  Copyright © 2017 Joschi Kuphal <[email protected]> / @jkphl
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 *
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 *  Permission is hereby granted, free of charge, to any person obtaining a copy of
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 *  this software and associated documentation files (the "Software"), to deal in
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 *  the Software without restriction, including without limitation the rights to
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 *  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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 *  the Software, and to permit persons to whom the Software is furnished to do so,
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 *  subject to the following conditions:
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 *
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 *  The above copyright notice and this permission notice shall be included in all
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 *  copies or substantial portions of the Software.
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 *
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 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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 *  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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 *  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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 *  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 ***********************************************************************************/
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namespace Jkphl\Micrometa\Infrastructure\Factory;
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use Jkphl\Micrometa\Infrastructure\Parser\ProfiledNamesList;
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use Jkphl\Micrometa\Ports\Exceptions\InvalidArgumentException;
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use Jkphl\Micrometa\Ports\Item\Item;
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use Jkphl\Micrometa\Ports\Item\ItemList;
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/**
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 * Profiled name factory
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 *
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 * @package Jkphl\Micrometa
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 * @subpackage Jkphl\Micrometa\Infrastructure
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 */
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class ProfiledNamesFactory
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{
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    /**
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     * Create a list of profiled names from method arguments
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     *
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     * The method takes an arbitrary number of arguments and tries to parse them as profiled names. Arguments
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     * may be strings, arrays or objects.
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     *
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     * String values are interpreted as names — with one exception: If the first two arguments are both strings,
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     * the second one is taken as profile IRI. Optionally following string arguments are taken as names again,
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     * assuming to share the same profile:
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     *
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     *      createFromArguments($name1 [, $profile])
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     *      createFromArguments($name1, $profile1, $name2, $profile2 ...)
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     *
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     * Arrays arguments are expected to have at least one argument which is taken as name. If present, the
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     * second argument is used as profile (otherwise an empty profile is assumed):
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     *
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     *      createFromArguments(array($name [, $profile]))
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     *
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     * Object values are expected to have a "name" and an optional "profile" property:
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     *
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     *      createFromArguments((object)array('name' => $name [, 'profile' => $profile]))
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     *
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     * When an array or object argument is consumed, the profile value will be used for any following string
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     * argument. You can "reset" the profile to another value by specifying another array or object value in
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     * this case.
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     *
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     *      createFromArguments(array($name1, $profile1), $name2, $name3 ...)
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     *
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     * @param array $args Arguments
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     * @return ProfiledNamesList Profiled names
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     * @see Item::isOfType()
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     * @see Item::getFirstProperty()
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     * @see ItemList::getFirstItem()
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     * @see ItemList::getItems()
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     */
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    public static function createFromArguments(array $args)
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    {
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        $profiledNames = [];
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        $profile = false;
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        // Consume and register all given names and profiles
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        while (count($args)) {
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            $profiledNames[] = self::consumeProfiledName($args, $profile);
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        }
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        return new ProfiledNamesList($profiledNames);
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    }
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    /**
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     * Create a single profiled name by argument consumption
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     *
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     * @param array $args Arguments
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     * @param string|boolean|null $profile Profile
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     * @return \stdClass Profiled name
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     */
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    protected static function consumeProfiledName(&$args, &$profile)
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    {
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        $profiledName = new \stdClass();
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        $profiledName->profile = $profile;
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        // Get the first argument
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        $arg = array_shift($args);
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        // If it's not a scalar argument
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        if (!is_scalar($arg)) {
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            return self::consumeNonScalarProfiledName($arg, $profile);
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        }
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        if (($profile === false) && is_string(current($args))) {
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            $profile = array_shift($args);
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        }
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        return self::createProfiledNameFromString(strval($arg), $profile);
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    }
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    /**
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     * Create a profiled name by consuming a non-scalar argument
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     *
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     * @param \stdClass|array $arg Argument
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     * @param string|boolean|null $profile Profile
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     * @return \stdClass Profiled name
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     */
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    protected static function consumeNonScalarProfiledName($arg, &$profile)
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    {
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        // If it's an object argument
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        if (is_object($arg)) {
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            return self::createProfiledNameFromObject($arg, $profile);
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        }
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        // Else: It must be an array
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        return self::createProfiledNameFromArray($arg, $profile);
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    }
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    /**
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     * Create a profiled name from an object argument
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     *
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     * @param \stdClass $arg Object argument
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     * @param string|boolean|null $profile Profile
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     * @return \stdClass Profiled name
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     * @throws InvalidArgumentException If the name is missing
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     */
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    protected static function createProfiledNameFromObject($arg, &$profile)
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    {
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        // If the name is invalid
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        if (!isset($arg->name)) {
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            throw new InvalidArgumentException(
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                InvalidArgumentException::INVALID_TYPE_PROPERTY_NAME_STR,
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                InvalidArgumentException::INVALID_TYPE_PROPERTY_NAME
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            );
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        }
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        if (isset($arg->profile)) {
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            $profile = trim($arg->profile) ?: null;
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        }
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        return self::createProfiledNameFromString($arg->name, $profile);
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    }
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    /**
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     * Create a profiled name from an array argument
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     *
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     * @param array $arg Array argument
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     * @param string|boolean|null $profile Profile
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     * @return \stdClass Profiled name
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     * @throws InvalidArgumentException If the array definition is invalid
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     */
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    protected static function createProfiledNameFromArray(array $arg, &$profile)
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    {
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        // If it's an associative array containing a "name" key
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        if (array_key_exists('name', $arg)) {
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            return self::createProfiledNameFromObject((object)$arg, $profile);
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        }
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        // If the argument has two items at least
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        if (count($arg) > 1) {
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            $name = array_shift($arg);
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            $profile = trim(array_shift($arg)) ?: null;
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            return self::createProfiledNameFromString($name, $profile);
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        }
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        throw new InvalidArgumentException(
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            InvalidArgumentException::INVALID_TYPE_PROPERTY_ARRAY_STR,
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            InvalidArgumentException::INVALID_TYPE_PROPERTY_ARRAY
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        );
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    }
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    /**
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     * Create a profiled name from string arguments
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     *
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     * @param string $name Name
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     * @param string|boolean|null $profile Profile
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     * @return \stdClass Profiled name
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     * @throws InvalidArgumentException If the name is invalid
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     */
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    protected static function createProfiledNameFromString($name, $profile)
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    {
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        // If the name is invalid
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        if (!strlen(trim($name))) {
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            throw new InvalidArgumentException(
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                InvalidArgumentException::INVALID_TYPE_PROPERTY_NAME_STR,
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                InvalidArgumentException::INVALID_TYPE_PROPERTY_NAME
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            );
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        }
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        return (object)[
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            'name' => trim($name),
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            'profile' => trim($profile) ?: null,
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        ];
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    }
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}
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