Scalar.php

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<?php

/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */

// LICENSE AGREEMENT. If folded, press za here to unfold and read license {{{ 

// }}}

// dependencies {{{
require_once 'XML/RPC2/Exception.php';
require_once 'XML/RPC2/Backend/Php/Value.php';
// }}}

abstract class XML_RPC2_Backend_Php_Value_Scalar extends XML_RPC2_Backend_Php_Value
{
    
    // {{{ properties
    
    private $_scalarType = null;
    
    // }}}
    // {{{ setScalarType()

    protected function setScalarType($value) 
    {
        switch ($value) {
            case 'int':
            case 'i4':
            case 'boolean':
            case 'string':
            case 'double': 
            case 'dateTime.iso8601':
            case 'base64':
                $this->_scalarType = $value;
                break;
            default:
                throw new XML_RPC2_InvalidTypeException(sprintf('Type \'%s\' is not an XML-RPC scalar type', $value));
        }
    }
    
    // }}}
    // {{{ getScalarType()
    
    public function getScalarType() 
    {
        return $this->_scalarType;
    }
    
    // }}}
    // {{{ constructor

    public function __construct($scalarType, $nativeValue) 
    {
        $this->setScalarType($scalarType);
        $this->setNativeValue($nativeValue);
    }
    
    // }}}
    // {{{ createFromNative()
    
    public static function createFromNative($nativeValue, $explicitType = null)
    {
        if (is_null($explicitType)) {
            switch (gettype($nativeValue)) {
                case 'boolean':
                case 'integer':
                case 'double':
                case 'string':
                    $explicitType = gettype($nativeValue);
                    break;
                default:
                    throw new XML_RPC2_InvalidTypeEncodeException(sprintf('Impossible to encode scalar value \'%s\' from type \'%s\'. Native type is not a scalar XML_RPC type (boolean, integer, double, string)',
                        (string) $nativeValue,
                        gettype($nativeValue)));
            }
        }
        $explicitType = ucfirst(strtolower($explicitType));
        require_once(sprintf('XML/RPC2/Backend/Php/Value/%s.php', $explicitType));
        $explicitType = sprintf('XML_RPC2_Backend_Php_Value_%s', $explicitType);
        return new $explicitType($nativeValue);
    }
    
    // }}}
    // {{{ encode()
    
    public function encode() 
    {
        return '<' . $this->getScalarType() . '>' . $this->getNativeValue() . '</' . $this->getScalarType() . '>';
    }
    
    // }}}
    
}

?>