genesis-3d_engine/Engine/foundation/util/globalstringatomtable.cc

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/****************************************************************************
Copyright (c) 2009, Radon Labs GmbH
Copyright (c) 2011-2013,WebJet Business Division,CYOU
http://www.genesis-3d.com.cn
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "stdneb.h"
#include "util/globalstringatomtable.h"
namespace Util
{
__ImplementImageSingleton(Util::GlobalStringAtomTable);
//------------------------------------------------------------------------------
/**
*/
GlobalStringAtomTable::GlobalStringAtomTable()
{
__ConstructImageSingleton;
// setup the global string buffer
this->stringBuffer.Setup(NEBULA3_GLOBAL_STRINGBUFFER_CHUNKSIZE);
}
//------------------------------------------------------------------------------
/**
*/
GlobalStringAtomTable::~GlobalStringAtomTable()
{
this->critSect.Enter();
this->stringBuffer.Discard();
__DestructImageSingleton;
this->critSect.Leave();
}
//------------------------------------------------------------------------------
/**
*/
void
GlobalStringAtomTable::Lock()
{
this->critSect.Enter();
}
//------------------------------------------------------------------------------
/**
*/
void
GlobalStringAtomTable::Unlock()
{
this->critSect.Leave();
}
//------------------------------------------------------------------------------
/**
This adds a new string to the atom table and the global string buffer,
and returns the pointer to the string in the string buffer.
NOTE: you MUST call this method within Lock()/Unlock()!
*/
const char*
GlobalStringAtomTable::Add(const char* str)
{
StaticString sstr;
sstr.ptr = (char*)this->stringBuffer.AddString(str);
this->table.InsertSorted(sstr);
return sstr.ptr;
}
//------------------------------------------------------------------------------
/**
Debug method: get an array with all string in the table.
*/
GlobalStringAtomTable::DebugInfo
GlobalStringAtomTable::GetDebugInfo() const
{
this->critSect.Enter();
DebugInfo debugInfo;
debugInfo.strings.Reserve(this->table.Size());
debugInfo.chunkSize = NEBULA3_GLOBAL_STRINGBUFFER_CHUNKSIZE;
debugInfo.numChunks = this->stringBuffer.GetNumChunks();
debugInfo.allocSize = debugInfo.chunkSize * debugInfo.numChunks;
debugInfo.usedSize = 0;
debugInfo.growthEnabled = NEBULA3_ENABLE_GLOBAL_STRINGBUFFER_GROWTH;
IndexT i;
for (i = 0; i < table.Size(); i++)
{
const char* str = this->table[i].ptr;
debugInfo.strings.Append(this->table[i].ptr);
debugInfo.usedSize += strlen(str) + 1;
}
this->critSect.Leave();
return debugInfo;
}
} // namespace Util