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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/**
* A wrapper class which causes Xml::encodeJsVar() and Xml::encodeJsCall() to
* interpret a given string as being a JavaScript expression, instead of string
* data.
*
* @par Example:
* @code
* Xml::encodeJsVar( new XmlJsCode( 'a + b' ) );
* @endcode
*
* This returns "a + b".
*
* @note As of 1.21, XmlJsCode objects cannot be nested inside objects or arrays. The sole
* exception is the $args argument to Xml::encodeJsCall() because Xml::encodeJsVar() is
* called for each individual element in that array. If you need to encode an object or array
* containing XmlJsCode objects, use XmlJsCode::encodeObject() to re-encode it first.
*
* @since 1.17
*/
class XmlJsCode {
public $value;
public function __construct( $value ) {
$this->value = $value;
}
/**
* Encode an object containing XmlJsCode objects.
*
* This takes an object or associative array where (some of) the values are XmlJsCode objects,
* and re-encodes it as a single XmlJsCode object.
*
* @since 1.33
* @param object|array $obj Object or associative array to encode
* @param bool $pretty If true, add non-significant whitespace to improve readability.
* @return XmlJsCode
*/
public static function encodeObject( $obj, $pretty = false ) {
$parts = [];
foreach ( $obj as $key => $value ) {
$parts[] =
( $pretty ? ' ' : '' ) .
Xml::encodeJsVar( $key, $pretty ) .
( $pretty ? ': ' : ':' ) .
Xml::encodeJsVar( $value, $pretty );
}
return new self(
'{' .
( $pretty ? "\n" : '' ) .
implode( $pretty ? ",\n" : ',', $parts ) .
( $pretty ? "\n" : '' ) .
'}'
);
}
}
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