Inheritance diagram for ILIAS\Refinery\String\CaseOfLabel:

Collaboration diagram for ILIAS\Refinery\String\CaseOfLabel:

Public Member Functions
	__construct (string $language_key, Factory $factory)
	CaseOfLabel constructor. More...

	transform ($from)
	@inheritDoc More...

	__invoke ($from)
	@inheritDoc More...

Public Member Functions inherited from ILIAS\Refinery\Transformation
	transform ($from)
	Perform the transformation. More...

	applyTo (Result $data)
	Perform the transformation and reify possible failures. More...

	__invoke ($from)
	Transformations should be callable. More...

Protected Member Functions
	buildPatterns (array $words)

	buildPattern (string $word)

	replaceHelper (array $result)

Protected Attributes
	$language_key

	$factory

	$not_capitalize

Detailed Description

Definition at line 24 of file CaseOfLabel.php.

Constructor & Destructor Documentation

◆ __construct()

ILIAS\Refinery\String\CaseOfLabel::__construct	(	string	$language_key,
		Factory	$factory
	)

CaseOfLabel constructor.

Parameters

string	$language_key
Factory	$factory

Definition at line 186 of file CaseOfLabel.php.

    {
        $this->language_key = $language_key;
        $this->factory = $factory;
    }

References ILIAS\Refinery\String\CaseOfLabel\$factory, and ILIAS\Refinery\String\CaseOfLabel\$language_key.

Member Function Documentation

◆ __invoke()

ILIAS\Refinery\String\CaseOfLabel::__invoke ( $from )

@inheritDoc

Implements ILIAS\Refinery\Transformation.

Definition at line 228 of file CaseOfLabel.php.

    {
        return $this->transform($from);
    }

References ILIAS\Refinery\String\CaseOfLabel\transform().

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◆ buildPattern()

ILIAS\Refinery\String\CaseOfLabel::buildPattern ( string $word )

protected

Parameters

string $word

Returns: string

Definition at line 254 of file CaseOfLabel.php.

                                                  : string
    {
        // Before the word muss be the start of the string or a space
        // After the word muss be the end of the string or a space
        // Ignore case to include the uppercase in the first step before
        return "/(\s|^)" . preg_quote($word) . "(\s|$)/i";
    }

Referenced by ILIAS\Refinery\String\CaseOfLabel\buildPatterns().

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◆ buildPatterns()

ILIAS\Refinery\String\CaseOfLabel::buildPatterns ( array $words )

protected

Parameters

array $words

Returns: array

Definition at line 239 of file CaseOfLabel.php.

                                                   : array
    {
        return array_reduce($words, function (array $patterns, string $word) : array {
            $patterns[$this->buildPattern($word)] = [ $this, "replaceHelper" ];
 
            return $patterns;
        }, []);
    }

References ILIAS\Refinery\String\CaseOfLabel\buildPattern().

Referenced by ILIAS\Refinery\String\CaseOfLabel\transform().

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◆ replaceHelper()

ILIAS\Refinery\String\CaseOfLabel::replaceHelper ( array $result )

protected

Parameters

array $result

Returns: string

Definition at line 268 of file CaseOfLabel.php.

                                                    : string
    {
        return strtolower($result[0] ?? "");
    }

References $result.

◆ transform()

ILIAS\Refinery\String\CaseOfLabel::transform ( $from )

@inheritDoc

Exceptions

LogicException

Implements ILIAS\Refinery\Transformation.

Definition at line 198 of file CaseOfLabel.php.

    {
        if (!is_string($from)) {
            throw new InvalidArgumentException(__METHOD__ . " the argument is not a string.");
        }
 
        if (empty($this->language_key)) {
            throw new LogicException("Please specify a language for the title capitalization");
        }
 
        if (!isset($this->not_capitalize[$this->language_key])) {
            throw new LogicException("Language " . $this->language_key . " is not supported for the title capitalization");
        }
 
        // First write the first letter of each word to uppercase
        $to = ucwords(strtolower($from));
 
        // Then replace all special words and write it again to lowercase
        $to = preg_replace_callback_array($this->buildPatterns($this->not_capitalize[$this->language_key]), $to);
 
        // Finally the first letter of the whole string muss be always uppercase
        $to = ucfirst($to);
 
        return $to;
    }