mirror of https://gitee.com/bigwinds/arangodb
118 lines
4.0 KiB
C++
118 lines
4.0 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief V8 utility functions
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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 2004-2012 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 Dr. Frank Celler
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/// @author Copyright 2011-2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "v8-objects.h"
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#include "BasicsC/string-buffer.h"
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#include "Basics/StringUtils.h"
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#include "V8/v8-conv.h"
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using namespace std;
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using namespace triagens::basics;
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// -----------------------------------------------------------------------------
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// --SECTION-- CONVERSION FUNCTIONS
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// -----------------------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// --SECTION-- public functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup V8Conversions
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief converts identifier into a object reference
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////////////////////////////////////////////////////////////////////////////////
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v8::Handle<v8::Value> TRI_ObjectReference (TRI_voc_cid_t cid, TRI_voc_did_t did) {
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v8::HandleScope scope;
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TRI_string_buffer_t buffer;
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TRI_InitStringBuffer(&buffer, TRI_CORE_MEM_ZONE);
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TRI_AppendUInt64StringBuffer(&buffer, cid);
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TRI_AppendCharStringBuffer(&buffer, TRI_DOCUMENT_HANDLE_SEPARATOR_CHR);
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TRI_AppendUInt64StringBuffer(&buffer, did);
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v8::Handle<v8::String> ref = v8::String::New(buffer._buffer);
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TRI_AnnihilateStringBuffer(&buffer);
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return scope.Close(ref);
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief extratcs identifiers from a object reference
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////////////////////////////////////////////////////////////////////////////////
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bool TRI_IdentifiersObjectReference (v8::Handle<v8::Value> value, TRI_voc_cid_t& cid, TRI_voc_did_t& did) {
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bool error;
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cid = 0;
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did = 0;
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if (value->IsNumber() || value->IsNumberObject()) {
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did = (TRI_voc_did_t) TRI_ObjectToDouble(value, error);
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return ! error;
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}
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string v = TRI_ObjectToString(value);
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vector<string> doc = StringUtils::split(v, TRI_DOCUMENT_HANDLE_SEPARATOR_STR);
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switch (doc.size()) {
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case 1:
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did = StringUtils::uint64(doc[1]);
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return did != 0;
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case 2:
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cid = StringUtils::uint64(doc[0]);
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did = StringUtils::uint64(doc[1]);
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return cid != 0 && did != 0;
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default:
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return false;
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}
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return false;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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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\\|// --SECTION--\\|/// @\\}\\)"
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// End:
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