108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
/****************************************************************************
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Copyright (c) 2006, Radon Labs GmbH
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Copyright (c) 2011-2013,WebJet Business Division,CYOU
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http://www.genesis-3d.com.cn
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "stdneb.h"
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#include "util/stringatom.h"
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#include "util/localstringatomtable.h"
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#include "util/globalstringatomtable.h"
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#include <string.h>
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namespace Util
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{
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//------------------------------------------------------------------------------
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/**
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*/
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void
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StringAtom::Setup(const char* str)
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{
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#if NEBULA3_ENABLE_THREADLOCAL_STRINGATOM_TABLES
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// first check our thread-local string atom table whether the string
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// is already registered there, this does not require any thread
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// synchronisation
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LocalStringAtomTable* localTable = LocalStringAtomTable::Instance();
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this->content = localTable->Find(str);
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if (0 != this->content)
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{
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// yep, the string is in the local table, we're done
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return;
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}
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#endif
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// the string wasn't in the local table (or thread-local tables are disabled),
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// so we need to check the global table, this involves thread synchronisation
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GlobalStringAtomTable* globalTable = GlobalStringAtomTable::Instance();
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globalTable->Lock();
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this->content = globalTable->Find(str);
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if (0 == this->content)
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{
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// hrmpf, string isn't in global table either yet, so add it...
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this->content = globalTable->Add(str);
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}
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globalTable->Unlock();
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#if NEBULA3_ENABLE_THREADLOCAL_STRINGATOM_TABLES
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// finally, add the new string to our local table as well, so the
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// next lookup from our thread of this string will be faster
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localTable->Add(this->content);
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#endif
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}
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//------------------------------------------------------------------------------
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/**
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Compare with raw string. Careful, slow!
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*/
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bool
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StringAtom::operator==(const char* rhs) const
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{
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if (0 == this->content)
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{
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return false;
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}
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else
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{
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return (0 == strcmp(this->content, rhs));
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}
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}
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//------------------------------------------------------------------------------
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/**
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Compare with raw string. Careful, slow!
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*/
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bool
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StringAtom::operator!=(const char* rhs) const
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{
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if (0 == this->content)
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{
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return false;
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}
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else
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{
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return (0 == strcmp(this->content, rhs));
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}
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}
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} // namespace Util
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