+/* This file is part of EdiTeX, an editor of mathematical
+ * expressions based on TeX syntax.
+ *
+ * Copyright (C) 2002-2003 Luca Padovani <lpadovan@cs.unibo.it>,
+ * 2003 Paolo Marinelli <pmarinel@cs.unibo.it>.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * For more information, please visit the project's home page
+ * http://helm.cs.unibo.it/editex/
+ * or send an email to <lpadovan@cs.unibo.it>
+ */
#include "dom.hh"
#include "TNode.hh"
+#include "ALogger.hh"
#include "TDocument.hh"
#include "CMathMLFactoryXSLT.hh"
#include "AMathMLConsumer.hh"
+#include <cassert>
CMathMLFactoryXSLT::CMathMLFactoryXSLT(ALogger& l, const DOMX::XSLTStylesheet& s)
: AMathMLFactory(l), style(s)
result = di.createDocument(MATHML_NS_URI, "m:math", dt);
}
+#if 1
void
CMathMLFactoryXSLT::documentModified(TDocument& doc)
{
- cout << "passo di qui" << endl;
std::vector< std::pair<DOM::GdomeString, DOM::GdomeString> > dirtyId;
if (TNode dirty = doc.dirtyNode())
if (result.get_documentElement().hasAttribute("xref"))
DOM::GdomeString("'" + std::string(dirty["id"]) + "'")));
DOM::Document res = style.apply(doc.document(), dirtyId);
assert(res);
- style.save(doc.document(), stdout);
+ //style.save(doc.document(), stdout);
- DOM::Element root = res.get_documentElement();
- assert(root);
-
- if (result.get_documentElement().hasAttribute("xref"))
+ if (DOM::Element wrapper = res.get_documentElement())
{
- bool ok = subst(result.get_documentElement(), root.getAttribute("xref"), result.importNode(root, true));
- assert(ok);
+ if (DOM::Element root = wrapper.get_firstChild())
+ if (DOM::Element oldRoot = result.get_documentElement().get_firstChild())
+ {
+ bool ok = subst(oldRoot, root.getAttribute("xref"), result.importNode(root, true));
+ assert(ok);
+ doc.clearDirty();
+ }
+ else
+ {
+ result.get_documentElement().appendChild(result.importNode(root, true));
+ }
}
else
- result.replaceChild(result.importNode(root, true), result.get_documentElement());
+ {
+ // Something wrong happened while applying the stylesheet.
+ DOM::Element root = result.get_documentElement();
+ DOM::Node p = root.get_firstChild();
+ while (p) {
+ DOM::Node next = p.get_nextSibling();
+ root.removeChild(p);
+ p = next;
+ }
+ logger.error("The stylesheet produced an empty document");
+ }
+
+ //style.save(result, stdout);
+}
+#else
+void
+CMathMLFactoryXSLT::documentModified(TDocument& doc)
+{
+ DOM::Document res = style.apply(doc.document());
+ assert(res);
- style.save(result, stdout);
+ if (DOM::Element root = res.get_documentElement())
+ {
+ DOM::Element newRoot = root.get_firstChild();
+ assert(newRoot);
- doc.clearDirty();
+ if (DOM::Element oldSubRoot = result.get_documentElement().get_firstChild())
+ {
+ result.get_documentElement().replaceChild(result.importNode(newRoot, true), oldSubRoot);
+ }
+ else
+ {
+ result.get_documentElement().appendChild(result.importNode(newRoot, true));
+ }
+ }
+ else
+ {
+ // Something wrong happened while applying the stylesheet.
+ DOM::Element root = result.get_documentElement();
+ DOM::Node p = root.get_firstChild();
+ while (p) {
+ DOM::Node next = p.get_nextSibling();
+ root.removeChild(p);
+ p = next;
+ }
+ logger.error("The stylesheet produced an empty document");
+ }
}
+#endif
bool
CMathMLFactoryXSLT::subst(const DOM::Element& e1, const DOM::GdomeString& id, const DOM::Element& e2)