1 /* This file is part of EdiTeX, an editor of mathematical
2 * expressions based on TeX syntax.
4 * Copyright (C) 2002-2003 Luca Padovani <lpadovan@cs.unibo.it>,
5 * 2003 Paolo Marinelli <pmarinel@cs.unibo.it>.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * For more information, please visit the project's home page
22 * http://helm.cs.unibo.it/editex/
23 * or send an email to <lpadovan@cs.unibo.it>
29 #include "TDocument.hh"
30 #include "CMathMLFactoryXSLT.hh"
31 #include "AMathMLConsumer.hh"
34 CMathMLFactoryXSLT::CMathMLFactoryXSLT(ALogger& l, const DOMX::XSLTStylesheet& s)
35 : AMathMLFactory(l), style(s)
37 DOM::DOMImplementation di;
39 result = di.createDocument(MATHML_NS_URI, "m:math", dt);
44 CMathMLFactoryXSLT::documentModified(TDocument& doc)
46 std::vector< std::pair<DOM::GdomeString, DOM::GdomeString> > dirtyId;
47 if (TNode dirty = doc.dirtyNode())
48 if (result.get_documentElement().hasAttribute("xref"))
49 dirtyId.push_back(std::make_pair(DOM::GdomeString("id"),
50 DOM::GdomeString("'" + std::string(dirty["id"]) + "'")));
51 DOM::Document res = style.apply(doc.document(), dirtyId);
53 //style.save(doc.document(), stdout);
55 if (DOM::Element wrapper = res.get_documentElement())
57 if (DOM::Element root = wrapper.get_firstChild())
58 if (DOM::Element oldRoot = result.get_documentElement().get_firstChild())
60 bool ok = subst(oldRoot, root.getAttribute("xref"), result.importNode(root, true));
66 result.get_documentElement().appendChild(result.importNode(root, true));
71 // Something wrong happened while applying the stylesheet.
72 DOM::Element root = result.get_documentElement();
73 DOM::Node p = root.get_firstChild();
75 DOM::Node next = p.get_nextSibling();
79 logger.error("The stylesheet produced an empty document");
82 //style.save(result, stdout);
86 CMathMLFactoryXSLT::documentModified(TDocument& doc)
88 DOM::Document res = style.apply(doc.document());
91 if (DOM::Element root = res.get_documentElement())
93 DOM::Element newRoot = root.get_firstChild();
96 if (DOM::Element oldSubRoot = result.get_documentElement().get_firstChild())
98 result.get_documentElement().replaceChild(result.importNode(newRoot, true), oldSubRoot);
102 result.get_documentElement().appendChild(result.importNode(newRoot, true));
107 // Something wrong happened while applying the stylesheet.
108 DOM::Element root = result.get_documentElement();
109 DOM::Node p = root.get_firstChild();
111 DOM::Node next = p.get_nextSibling();
115 logger.error("The stylesheet produced an empty document");
121 CMathMLFactoryXSLT::subst(const DOM::Element& e1, const DOM::GdomeString& id, const DOM::Element& e2)
125 if (e1.getAttribute("xref") == id)
127 DOM::Node parent = e1.get_parentNode();
129 parent.replaceChild(e2, e1);
134 DOM::Node p = e1.get_firstChild();
137 while (p && p.get_nodeType() != DOM::Node::ELEMENT_NODE) p = p.get_nextSibling();
139 if (subst(p, id, e2)) return true;
140 else p = p.get_nextSibling();