blob: 79fb8c045c4107f745da3663a12664b0b49acf31 [file] [log] [blame]
<?php
/**
* File containing the ezcDocumentEzXmlToDocbookLineHandler class.
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
* @package Document
* @version //autogen//
* @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved.
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
*/
/**
* Visit eZXml line elements.
*
* Line elements are used to enforce breakes inside text.
*
* @package Document
* @version //autogen//
*/
class ezcDocumentEzXmlToDocbookLineHandler extends ezcDocumentElementVisitorHandler
{
/**
* Handle a node.
*
* Handle / transform a given node, and return the result of the
* conversion.
*
* @param ezcDocumentElementVisitorConverter $converter
* @param DOMElement $node
* @param mixed $root
* @return mixed
*/
public function handle( ezcDocumentElementVisitorConverter $converter, DOMElement $node, $root )
{
$element = $root->ownerDocument->createElement( 'literallayout' );
$element->setAttribute( 'class', 'normal' );
$root->parentNode->appendChild( $element );
// Recurse
$converter->visitChildren( $node, $element );
// Aggregate additional line block elements
if ( $node->nextSibling &&
( ( ( $node->nextSibling->nodeType === XML_ELEMENT_NODE ) &&
( $node->nextSibling->tagName === 'line' ) ) ||
( ( $node->nextSibling->nodeType === XML_TEXT_NODE ) &&
( trim( $node->nextSibling->data ) === '' ) ) ) )
{
do {
if ( $node->nextSibling->nodeType === XML_ELEMENT_NODE )
{
$element->appendChild( new DOMText( "\n" ) );
$converter->visitChildren( $node->nextSibling, $element );
}
$node->parentNode->removeChild( $node->nextSibling );
} while ( $node->nextSibling &&
( ( ( $node->nextSibling->nodeType === XML_ELEMENT_NODE ) &&
( $node->nextSibling->tagName === 'line' ) ) ||
( ( $node->nextSibling->nodeType === XML_TEXT_NODE ) &&
( trim( $node->nextSibling->data ) === '' ) ) ) );
}
// If there are any siblings, put them into a new paragraph node,
// "below" the list node.
if ( $node->nextSibling )
{
$newParagraph = $node->ownerDocument->createElement( 'paragraph' );
do {
$newParagraph->appendChild( $node->nextSibling->cloneNode( true ) );
$node->parentNode->removeChild( $node->nextSibling );
} while ( $node->nextSibling );
$node->parentNode->parentNode->appendChild( $newParagraph );
}
return $root;
}
}
?>