cvs: pear /XML_Tree Tree.php

cox Sun Aug 19 11:50:48 2001 EDT Modified files: /pear/XML_Tree Tree.php Log: Here it is Sebastian: - Added xml file to objects tree mapping - Extends the class from XML/Parser.xml - Renamed method "copy" to "clone" Index: pear/XML_Tree/Tree.php diff -u pear/XML_Tree/Tree.php:1.4 pear/XML_Tree/Tree.php:1.5 --- pear/XML_Tree/Tree.php:1.4 Thu Aug 16 06:02:54 2001 +++ pear/XML_Tree/Tree.php Sun Aug 19 11:50:47 2001 @@ -16,11 +16,14 @@ // | Authors: Sebastian Bergmann <sb@sebastian-bergmann.de> | // | Bernd Römer <berndr@bonn.edu> | // | Christian Kühn <ck@chkuehn.de> | +// | Tomas V.V.Cox <cox@idecnet.com> (tree mapping from xml file)| +// | | // +----------------------------------------------------------------------+ // -// $Id: Tree.php,v 1.4 2001/08/16 10:02:54 sebastian Exp $ +// $Id: Tree.php,v 1.5 2001/08/19 15:50:47 cox Exp $ // +require_once 'XML/Parser.php'; require_once 'XML/Tree/Node.php'; /** @@ -45,7 +48,8 @@ * @package XML_Tree * @version 1.0 16-Aug-2001 */ -class XML_Tree { +class XML_Tree extends XML_Parser +{ /** * File Handle * @@ -97,17 +101,82 @@ * @param string name of root element * @return object reference to root node */ - function &add_root($name) { + function &add_root($name) { $this->root = new XML_Tree_Node($name); return $this->root; } + /* + * Maps a xml file to a objects tree + * + * @return object The objects tree or an Pear error + */ + function &getTreeFromFile () + { + $this->folding = false; + $this->XML_Parser(null, 'event'); + $err = $this->setInputFile($this->filename); + if (PEAR::isError($err)) { + return $err; + } + $this->cdata = null; + $this->store_cdata = false; + $err = $this->parse(); + if (PEAR::isError($err)) { + return $err; + } + return $this->root; + } + + function StartHandler($xp, $elem, &$attribs) + { + // root elem + if (!isset($this->i)) { + $this->obj1 =& $this->add_root($elem); + $this->i = 2; + } else { + $obj_id = 'obj' . $this->i++; + $this->$obj_id =& new XML_Tree_Node($elem, null, $attribs); + } + $this->store_cdata = true; + return NULL; + } + + function EndHandler($xp, $elem) + { + $this->i--; + if ($this->i > 1) { + $obj_id = 'obj' . $this->i; + // recover the node created in StartHandler + $node =& $this->$obj_id; + $node->set_content($this->cdata); + $parent_id = 'obj' . ($this->i - 1); + $parent =& $this->$parent_id; + // attach the node to its parent node children array + $parent->children[] = $node; + } + $this->cdata = null; + $this->store_cdata = false; + return NULL; + } + + /* + * The xml character data handler + */ + function cdataHandler($xp, $data) + { + // only store data inside tags + if ($this->store_cdata) { + $this->cdata .= $data; + } + } + /** * Get a copy of this tree. * * @return object XML_Tree */ - function copy() { + function clone() { return $this; }