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<?php |
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namespace ValueFormatters; |
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use DataValues\DecimalValue; |
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use InvalidArgumentException; |
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/** |
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* Formatter for decimal values |
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* |
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* @since 0.1 |
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* |
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* @license GPL-2.0-or-later |
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* @author Daniel Kinzler |
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*/ |
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class DecimalFormatter implements ValueFormatter { |
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/** |
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* Option key for forcing the sign to be included in the |
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* formatter's output even if it's "+". The value must |
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* be a boolean. |
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*/ |
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public const OPT_FORCE_SIGN = 'forceSign'; |
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/** |
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* @var FormatterOptions |
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*/ |
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private $options; |
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/** |
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* @var NumberLocalizer |
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*/ |
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private $localizer; |
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/** |
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* @param FormatterOptions|null $options |
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* @param NumberLocalizer|null $localizer |
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*/ |
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public function __construct( FormatterOptions $options = null, NumberLocalizer $localizer = null ) { |
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$this->options = $options ?: new FormatterOptions(); |
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$this->options->defaultOption( ValueFormatter::OPT_LANG, 'en' ); |
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$this->options->defaultOption( self::OPT_FORCE_SIGN, false ); |
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$this->localizer = $localizer ?: new BasicNumberLocalizer(); |
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} |
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/** |
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* @see ValueFormatter::format |
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* |
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* @param DecimalValue $dataValue |
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* |
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* @throws InvalidArgumentException |
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* @return string Text |
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*/ |
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public function format( $dataValue ) { |
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if ( !( $dataValue instanceof DecimalValue ) ) { |
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throw new InvalidArgumentException( 'Data value type mismatch. Expected a DecimalValue.' ); |
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} |
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// TODO: Implement optional rounding/padding |
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$decimal = $dataValue->getValue(); |
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if ( !$this->options->getOption( self::OPT_FORCE_SIGN ) ) { |
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// strip leading + |
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$decimal = ltrim( $decimal, '+' ); |
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} |
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// apply number localization |
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$decimal = $this->localizer->localizeNumber( $decimal ); |
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return $decimal; |
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} |
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} |
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wmde /
Number
