| <?php |
| /** |
| * File containing the ezcDocumentDocbookToHtmlSectionHandler 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// |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| */ |
| |
| /** |
| * Visit docbook sections |
| * |
| * Updates the docbook sections, which give us information about the depth |
| * in the document, and may also be reference targets. |
| * |
| * Also visits title elements, which are commonly the first element in sections |
| * and define section titles, which are converted to HTML header elements of |
| * the respective level of indentation |
| * |
| * @package Document |
| * @version //autogen// |
| */ |
| class ezcDocumentDocbookToHtmlSectionHandler extends ezcDocumentDocbookToHtmlBaseHandler |
| { |
| /** |
| * Current level of indentation in the docbook document. |
| * |
| * @var int |
| */ |
| protected $level = 0; |
| |
| /** |
| * 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 ) |
| { |
| if ( $node->tagName === 'title' ) |
| { |
| // Also set the document title from the first heading |
| if ( $this->level === 1 ) |
| { |
| $head = $this->getHead( $root ); |
| $title = $root->ownerDocument->createElement( 'title', htmlspecialchars( trim( $node->textContent ) ) ); |
| $head->appendChild( $title ); |
| } |
| |
| // Create common HTML headers |
| $header = $root->ownerDocument->createElement( 'h' . min( 6, $this->level ) ); |
| if ( $this->level >= 6 ) |
| { |
| $header->setAttribute( 'class', 'h' . $this->level ); |
| } |
| $root->appendChild( $header ); |
| |
| // Recurse |
| $converter->visitChildren( $node, $header ); |
| } |
| else |
| { |
| ++$this->level; |
| |
| // Set internal cross reference target if section has an ID assigned |
| if ( $node->hasAttribute( 'ID' ) ) |
| { |
| $target = $root->ownerDocument->createElement( 'a' ); |
| $target->setAttribute( 'name', $node->getAttribute( 'ID' ) ); |
| $root->appendChild( $target ); |
| } |
| |
| // Recurse |
| $converter->visitChildren( $node, $root ); |
| |
| // Reduce header level back to original state after recursion |
| --$this->level; |
| } |
| |
| return $root; |
| } |
| } |
| |
| ?> |