/** * @file llmaterialid.cpp * @brief Implementation of llmaterialid * @author Stinson@lindenlab.com * * $LicenseInfo:firstyear=2012&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2012, Linden Research, Inc. * * 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; * version 2.1 of the License only. * * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #include "linden_common.h" #include "llmaterialid.h" #include <string> #include "llformat.h" const LLMaterialID LLMaterialID::null; LLMaterialID::LLMaterialID() { clear(); } LLMaterialID::LLMaterialID(const LLSD& pMaterialID) { llassert(pMaterialID.isBinary()); parseFromBinary(pMaterialID.asBinary()); } LLMaterialID::LLMaterialID(const LLSD::Binary& pMaterialID) { parseFromBinary(pMaterialID); } LLMaterialID::LLMaterialID(const void* pMemory) { set(pMemory); } LLMaterialID::LLMaterialID(const LLMaterialID& pOtherMaterialID) { copyFromOtherMaterialID(pOtherMaterialID); } LLMaterialID::~LLMaterialID() { } bool LLMaterialID::operator == (const LLMaterialID& pOtherMaterialID) const { return (compareToOtherMaterialID(pOtherMaterialID) == 0); } bool LLMaterialID::operator != (const LLMaterialID& pOtherMaterialID) const { return (compareToOtherMaterialID(pOtherMaterialID) != 0); } bool LLMaterialID::operator < (const LLMaterialID& pOtherMaterialID) const { return (compareToOtherMaterialID(pOtherMaterialID) < 0); } bool LLMaterialID::operator <= (const LLMaterialID& pOtherMaterialID) const { return (compareToOtherMaterialID(pOtherMaterialID) <= 0); } bool LLMaterialID::operator > (const LLMaterialID& pOtherMaterialID) const { return (compareToOtherMaterialID(pOtherMaterialID) > 0); } bool LLMaterialID::operator >= (const LLMaterialID& pOtherMaterialID) const { return (compareToOtherMaterialID(pOtherMaterialID) >= 0); } LLMaterialID& LLMaterialID::operator = (const LLMaterialID& pOtherMaterialID) { copyFromOtherMaterialID(pOtherMaterialID); return (*this); } bool LLMaterialID::isNull() const { return (compareToOtherMaterialID(LLMaterialID::null) == 0); } const U8* LLMaterialID::get() const { return mID; } void LLMaterialID::set(const void* pMemory) { llassert(pMemory != NULL); // assumes that the required size of memory is available memcpy(mID, pMemory, MATERIAL_ID_SIZE * sizeof(U8)); } void LLMaterialID::clear() { memset(mID, 0, MATERIAL_ID_SIZE * sizeof(U8)); } LLSD LLMaterialID::asLLSD() const { LLSD::Binary materialIDBinary; materialIDBinary.resize(MATERIAL_ID_SIZE * sizeof(U8)); memcpy(materialIDBinary.data(), mID, MATERIAL_ID_SIZE * sizeof(U8)); LLSD materialID = materialIDBinary; return materialID; } std::string LLMaterialID::asString() const { std::string materialIDString; for (unsigned int i = 0U; i < static_cast<unsigned int>(MATERIAL_ID_SIZE / sizeof(U32)); ++i) { if (i != 0U) { materialIDString += "-"; } const U32 *value = reinterpret_cast<const U32*>(&get()[i * sizeof(U32)]); materialIDString += llformat("%08x", *value); } return materialIDString; } std::ostream& operator<<(std::ostream& s, const LLMaterialID &material_id) { s << material_id.asString(); return s; } void LLMaterialID::parseFromBinary (const LLSD::Binary& pMaterialID) { llassert(pMaterialID.size() == (MATERIAL_ID_SIZE * sizeof(U8))); memcpy(mID, &pMaterialID[0], MATERIAL_ID_SIZE * sizeof(U8)); } void LLMaterialID::copyFromOtherMaterialID(const LLMaterialID& pOtherMaterialID) { memcpy(mID, pOtherMaterialID.get(), MATERIAL_ID_SIZE * sizeof(U8)); } int LLMaterialID::compareToOtherMaterialID(const LLMaterialID& pOtherMaterialID) const { int retVal = 0; for (unsigned int i = 0U; (retVal == 0) && (i < static_cast<unsigned int>(MATERIAL_ID_SIZE / sizeof(U32))); ++i) { const U32 *thisValue = reinterpret_cast<const U32*>(&get()[i * sizeof(U32)]); const U32 *otherValue = reinterpret_cast<const U32*>(&pOtherMaterialID.get()[i * sizeof(U32)]); retVal = ((*thisValue < *otherValue) ? -1 : ((*thisValue > *otherValue) ? 1 : 0)); } return retVal; }