1 files changed, 126 insertions, 0 deletions
diff --git a/sci-libs/libspatialindex/svn/trunk/src/storagemanager/.svn/text-base/MemoryStorageManager.cc.svn-base b/sci-libs/libspatialindex/svn/trunk/src/storagemanager/.svn/text-base/MemoryStorageManager.cc.svn-base
new file mode 100644
index 000000000..24ef0e04b
--- /dev/null
+++ b/sci-libs/libspatialindex/svn/trunk/src/storagemanager/.svn/text-base/MemoryStorageManager.cc.svn-base
@@ -0,0 +1,126 @@
+// Spatial Index Library
+//
+// Copyright (C) 2002 Navel Ltd.
+//
+// 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
+//
+//  Email:
+//    mhadji@gmail.com
+
+#include <stdexcept>
+#include <cstring>
+
+#include "../spatialindex/SpatialIndexImpl.h"
+#include "MemoryStorageManager.h"
+
+using namespace SpatialIndex;
+using namespace SpatialIndex::StorageManager;
+
+SpatialIndex::IStorageManager* SpatialIndex::StorageManager::returnMemoryStorageManager(Tools::PropertySet& ps)
+{
+	IStorageManager* sm = new MemoryStorageManager(ps);
+	return sm;
+}
+
+SpatialIndex::IStorageManager* SpatialIndex::StorageManager::createNewMemoryStorageManager()
+{
+	Tools::PropertySet ps;
+	return returnMemoryStorageManager(ps);
+}
+
+MemoryStorageManager::MemoryStorageManager(Tools::PropertySet& ps)
+{
+}
+
+MemoryStorageManager::~MemoryStorageManager()
+{
+	for (std::vector<Entry*>::iterator it = m_buffer.begin(); it != m_buffer.end(); ++it) delete *it;
+}
+
+void MemoryStorageManager::loadByteArray(const id_type page, uint32_t& len, byte** data)
+{
+	Entry* e;
+	try
+	{
+		e = m_buffer.at(page);
+		if (e == 0) throw InvalidPageException(page);
+	}
+	catch (std::out_of_range)
+	{
+		throw InvalidPageException(page);
+	}
+
+	len = e->m_length;
+	*data = new byte[len];
+
+	memcpy(*data, e->m_pData, len);
+}
+
+void MemoryStorageManager::storeByteArray(id_type& page, const uint32_t len, const byte* const data)
+{
+	if (page == NewPage)
+	{
+		Entry* e = new Entry(len, data);
+
+		if (m_emptyPages.empty())
+		{
+			m_buffer.push_back(e);
+			page = m_buffer.size() - 1;
+		}
+		else
+		{
+			page = m_emptyPages.top(); m_emptyPages.pop();
+			m_buffer[page] = e;
+		}
+	}
+	else
+	{
+		Entry* e_old;
+		try
+		{
+			e_old = m_buffer.at(page);
+			if (e_old == 0) throw InvalidPageException(page);
+		}
+		catch (std::out_of_range)
+		{
+			throw InvalidPageException(page);
+		}
+
+		Entry* e = new Entry(len, data);
+
+		delete e_old;
+		m_buffer[page] = e;
+	}
+}
+
+void MemoryStorageManager::deleteByteArray(const id_type page)
+{
+	Entry* e;
+	try
+	{
+		e = m_buffer.at(page);
+		if (e == 0) throw InvalidPageException(page);
+	}
+	catch (std::out_of_range)
+	{
+		throw InvalidPageException(page);
+	}
+
+	m_buffer[page] = 0;
+	m_emptyPages.push(page);
+
+	delete e;
+}
+