mirror of https://gitee.com/bigwinds/arangodb
134 lines
4.3 KiB
C
134 lines
4.3 KiB
C
////////////////////////////////////////////////////////////////////////////////
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/// @brief markers
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2004-2013 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "marker.h"
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// -----------------------------------------------------------------------------
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// --SECTION-- public functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup VocBase
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief returns the name for a marker
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////////////////////////////////////////////////////////////////////////////////
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char* TRI_NameMarker (TRI_df_marker_t const* marker) {
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switch (marker->_type) {
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case TRI_DOC_MARKER_KEY_DOCUMENT:
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return "document";
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case TRI_DOC_MARKER_KEY_EDGE:
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return "edge";
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case TRI_DOC_MARKER_KEY_DELETION:
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return "deletion";
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case TRI_DOC_MARKER_BEGIN_TRANSACTION:
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return "begin transaction";
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case TRI_DOC_MARKER_COMMIT_TRANSACTION:
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return "commit transaction";
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case TRI_DOC_MARKER_ABORT_TRANSACTION:
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return "abort transaction";
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case TRI_DOC_MARKER_PREPARE_TRANSACTION:
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return "prepare transaction";
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case TRI_DF_MARKER_HEADER:
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case TRI_COL_MARKER_HEADER:
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return "header";
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case TRI_DF_MARKER_FOOTER:
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return "footer";
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case TRI_DF_MARKER_ATTRIBUTE:
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return "attribute";
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case TRI_DF_MARKER_SHAPE:
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return "shape";
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case TRI_DOC_MARKER_DOCUMENT:
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case TRI_DOC_MARKER_EDGE:
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case TRI_DOC_MARKER_DELETION:
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return "deprecated";
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default:
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return "unused/unknown";
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief clones a marker
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////////////////////////////////////////////////////////////////////////////////
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void TRI_CloneMarker (TRI_df_marker_t* dst,
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TRI_df_marker_t const* src,
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TRI_voc_size_t copyLength,
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TRI_voc_size_t newSize) {
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TRI_ASSERT_MAINTAINER(src != NULL);
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TRI_ASSERT_MAINTAINER(dst != NULL);
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TRI_ASSERT_MAINTAINER(copyLength > 0);
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TRI_ASSERT_MAINTAINER(newSize > 0);
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memcpy(dst, src, copyLength);
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dst->_size = newSize;
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// these values will be set later, so wipe them
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dst->_crc = 0;
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dst->_tick = 0;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief initialises a marker with the most basic information
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////////////////////////////////////////////////////////////////////////////////
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void TRI_InitMarker (char* marker,
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TRI_df_marker_type_e type,
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TRI_voc_size_t size) {
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TRI_df_marker_t* df = (TRI_df_marker_t*) marker;
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TRI_ASSERT_MAINTAINER(marker != NULL);
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TRI_ASSERT_MAINTAINER(type > TRI_MARKER_MIN && type < TRI_MARKER_MAX);
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TRI_ASSERT_MAINTAINER(size > 0);
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// initialise the basic bytes
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memset(marker, 0, size);
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df->_size = size;
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df->_type = type;
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// not needed because of memset above
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// marker->_crc = 0;
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// marker->_tick = 0;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|/// @page\\|// --SECTION--\\|/// @\\}"
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// End:
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