1 files changed, 100 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/XMLDocument.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/XMLDocument.cpp
new file mode 100644
index 00000000000..39973266a7c
--- /dev/null
+++ b/Build/source/texk/dvisvgm/dvisvgm-1.0.10/src/XMLDocument.cpp
@@ -0,0 +1,100 @@
+/*************************************************************************
+** XMLDocument.cpp                                                      **
+**                                                                      **
+** This file is part of dvisvgm -- the DVI to SVG converter             **
+** Copyright (C) 2005-2011 Martin Gieseking <martin.gieseking@uos.de>   **
+**                                                                      **
+** This program is free software; you can redistribute it and/or        **
+** modify it under the terms of the GNU General Public License as       **
+** published by the Free Software Foundation; either version 3 of       **
+** the License, or (at your option) any later version.                  **
+**                                                                      **
+** This program 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 General Public License for more details.                         **
+**                                                                      **
+** You should have received a copy of the GNU General Public License    **
+** along with this program; if not, see <http://www.gnu.org/licenses/>. **
+*************************************************************************/
+
+#include "macros.h"
+#include "XMLDocument.h"
+
+using namespace std;
+
+XMLDocument::XMLDocument (XMLElementNode *root)
+	: rootElement(root), emitted(false)
+{
+}
+
+
+XMLDocument::~XMLDocument () {
+	clear();
+}
+
+
+void XMLDocument::clear () {
+	delete rootElement;
+	rootElement = 0;
+	FORALL(nodes, list<XMLNode*>::iterator, i)
+		delete *i;
+	nodes.clear();
+}
+
+
+void XMLDocument::append (XMLNode *node) {
+	if (!node)
+		return;
+	XMLElementNode *newRoot = dynamic_cast<XMLElementNode*>(node);
+	if (newRoot) {             // there can only be one root element node in the document
+		delete rootElement;     // so if there is already one...
+		rootElement = newRoot;  // ...we replace it
+	}
+	else
+		nodes.push_back(node);
+}
+
+
+void XMLDocument::setRootNode (XMLElementNode *root) {
+	delete rootElement;
+	rootElement = root;
+}
+
+
+ostream& XMLDocument::write (ostream &os) const {
+	if (rootElement) { // no root element => no output
+		os << "<?xml version='1.0' encoding='ISO-8859-1'?>\n";
+		FORALL(nodes, list<XMLNode*>::const_iterator, i)
+			(*i)->write(os);
+		rootElement->write(os);
+	}
+	return os;
+}
+
+/** Writes a part of the XML document to the given output stream and removes
+ *  the completely written nodes. The output stops when a stop node is reached
+ *  (this node won't be printed at all). If a node was only partly emitted, i.e.
+ *  its child was the stop node, a further call of emit will continue the output.
+ *  @param[in] os stream to which the output is written
+ *  @param[in] stopElement node where emitting stops (if 0 the whole tree will be emitted)
+ *  @return true if node was completely emitted */
+bool XMLDocument::emit (ostream& os, XMLNode *stopNode) {
+	if (rootElement) {  // no root element => no output
+		if (!emitted) {
+			os << "<?xml version='1.0' encoding='ISO-8859-1'?>\n";
+			emitted = true;
+		}
+		FORALL(nodes, list<XMLNode*>::iterator, i) {
+			if ((*i)->emit(os, stopNode)) {
+				list<XMLNode*>::iterator it = i++;  // prevent i from being invalidated...
+				nodes.erase(it);              // ... by erase
+				--i;  // @@ what happens if i points to first child?
+			}
+			else
+				return false;
+		}
+		return rootElement->emit(os, stopNode);
+	}
+	return true;
+}