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-rw-r--r--vmime-master/src/vmime/utility/inputStreamByteBufferAdapter.cpp104
1 files changed, 104 insertions, 0 deletions
diff --git a/vmime-master/src/vmime/utility/inputStreamByteBufferAdapter.cpp b/vmime-master/src/vmime/utility/inputStreamByteBufferAdapter.cpp
new file mode 100644
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+++ b/vmime-master/src/vmime/utility/inputStreamByteBufferAdapter.cpp
@@ -0,0 +1,104 @@
+//
+// VMime library (http://www.vmime.org)
+// Copyright (C) 2002 Vincent Richard <vincent@vmime.org>
+//
+// 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, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// Linking this library statically or dynamically with other modules is making
+// a combined work based on this library. Thus, the terms and conditions of
+// the GNU General Public License cover the whole combination.
+//
+
+#include "vmime/utility/inputStreamByteBufferAdapter.hpp"
+
+
+namespace vmime {
+namespace utility {
+
+
+inputStreamByteBufferAdapter::inputStreamByteBufferAdapter(const byte_t* buffer, const size_t length)
+ : m_buffer(buffer),
+ m_length(length),
+ m_pos(0) {
+
+}
+
+
+bool inputStreamByteBufferAdapter::eof() const {
+
+ return m_pos >= m_length;
+}
+
+
+void inputStreamByteBufferAdapter::reset() {
+
+ m_pos = 0;
+}
+
+
+size_t inputStreamByteBufferAdapter::read(byte_t* const data, const size_t count) {
+
+ const size_t remaining = m_length - m_pos;
+
+ if (remaining < count) {
+
+ std::copy(m_buffer + m_pos, m_buffer + m_pos + remaining, data);
+ m_pos += remaining;
+
+ return remaining;
+
+ } else {
+
+ std::copy(m_buffer + m_pos, m_buffer + m_pos + count, data);
+ m_pos += count;
+
+ return count;
+ }
+}
+
+
+size_t inputStreamByteBufferAdapter::skip(const size_t count) {
+
+ const size_t remaining = m_length - m_pos;
+
+ if (remaining < count) {
+
+ m_pos += remaining;
+ return remaining;
+
+ } else {
+
+ m_pos += count;
+ return count;
+ }
+}
+
+
+size_t inputStreamByteBufferAdapter::getPosition() const {
+
+ return m_pos;
+}
+
+
+void inputStreamByteBufferAdapter::seek(const size_t pos) {
+
+ if (pos <= m_length) {
+ m_pos = pos;
+ }
+}
+
+
+} // utility
+} // vmime