1 files changed, 78 insertions, 0 deletions
diff --git a/xmlreader/source/pad.cxx b/xmlreader/source/pad.cxx
new file mode 100644
index 000000000..ce45f805f
--- /dev/null
+++ b/xmlreader/source/pad.cxx
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+#include <sal/config.h>
+
+#include <cassert>
+
+#include <sal/types.h>
+#include <xmlreader/pad.hxx>
+#include <xmlreader/span.hxx>
+
+namespace xmlreader {
+
+void Pad::add(char const * begin, sal_Int32 length) {
+    assert(
+        begin != nullptr && length >= 0 && !(span_.is() && buffer_.getLength() != 0));
+    if (length != 0) {
+        flushSpan();
+        if (buffer_.isEmpty()) {
+            span_ = Span(begin, length);
+        } else {
+            buffer_.append(begin, length);
+        }
+    }
+}
+
+void Pad::addEphemeral(char const * begin, sal_Int32 length) {
+    assert(
+        begin != nullptr && length >= 0 && !(span_.is() && buffer_.getLength() != 0));
+    if (length != 0) {
+        flushSpan();
+        buffer_.append(begin, length);
+    }
+}
+
+void Pad::clear() {
+    assert(!(span_.is() && buffer_.getLength() != 0));
+    span_.clear();
+    buffer_.setLength(0);
+}
+
+Span Pad::get() const {
+    assert(!(span_.is() && buffer_.getLength() != 0));
+    if (span_.is()) {
+        return span_;
+    } else if (buffer_.isEmpty()) {
+        return Span("");
+    } else {
+        return Span(buffer_.getStr(), buffer_.getLength());
+    }
+}
+
+void Pad::flushSpan() {
+    if (span_.is()) {
+        buffer_.append(span_.begin, span_.length);
+        span_.clear();
+    }
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */