new stuff
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142
vendor/assimp/code/CApi/AssimpCExport.cpp
vendored
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142
vendor/assimp/code/CApi/AssimpCExport.cpp
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/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2026, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file AssimpCExport.cpp
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Assimp C export interface. See Exporter.cpp for some notes.
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*/
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#ifndef ASSIMP_BUILD_NO_EXPORT
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#include "CInterfaceIOWrapper.h"
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#include "Common/ScenePrivate.h"
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#include <assimp/SceneCombiner.h>
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#include <assimp/Exporter.hpp>
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using namespace Assimp;
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// ------------------------------------------------------------------------------------------------
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ASSIMP_API size_t aiGetExportFormatCount(void) {
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return Exporter().GetExportFormatCount();
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}
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// ------------------------------------------------------------------------------------------------
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ASSIMP_API const aiExportFormatDesc *aiGetExportFormatDescription(size_t index) {
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// Note: this is valid as the index always pertains to a built-in exporter,
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// for which the returned structure is guaranteed to be of static storage duration.
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Exporter exporter;
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const aiExportFormatDesc *orig(exporter.GetExportFormatDescription(index));
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if (nullptr == orig) {
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return nullptr;
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}
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aiExportFormatDesc *desc = new aiExportFormatDesc;
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desc->description = new char[strlen(orig->description) + 1]();
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::memcpy((char *)desc->description, orig->description, strlen(orig->description));
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desc->fileExtension = new char[strlen(orig->fileExtension) + 1]();
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::memcpy((char *)desc->fileExtension, orig->fileExtension, strlen(orig->fileExtension));
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desc->id = new char[strlen(orig->id) + 1]();
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::memcpy((char *)desc->id, orig->id, strlen(orig->id));
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return desc;
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}
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// ------------------------------------------------------------------------------------------------
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ASSIMP_API void aiReleaseExportFormatDescription(const aiExportFormatDesc *desc) {
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if (nullptr == desc) {
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return;
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}
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delete[] desc->description;
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delete[] desc->fileExtension;
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delete[] desc->id;
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delete desc;
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}
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// ------------------------------------------------------------------------------------------------
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ASSIMP_API void aiCopyScene(const aiScene *pIn, aiScene **pOut) {
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if (!pOut || !pIn) {
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return;
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}
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SceneCombiner::CopyScene(pOut, pIn, true);
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ScenePriv(*pOut)->mIsCopy = true;
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}
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// ------------------------------------------------------------------------------------------------
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ASSIMP_API void aiFreeScene(const C_STRUCT aiScene *pIn) {
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// note: aiReleaseImport() is also able to delete scene copies, but in addition
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// it also handles scenes with import metadata.
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delete pIn;
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}
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// ------------------------------------------------------------------------------------------------
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ASSIMP_API aiReturn aiExportScene(const aiScene *pScene, const char *pFormatId, const char *pFileName, unsigned int pPreprocessing) {
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return ::aiExportSceneEx(pScene, pFormatId, pFileName, nullptr, pPreprocessing);
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}
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// ------------------------------------------------------------------------------------------------
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ASSIMP_API aiReturn aiExportSceneEx(const aiScene *pScene, const char *pFormatId, const char *pFileName, aiFileIO *pIO, unsigned int pPreprocessing) {
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Exporter exp;
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if (pIO) {
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exp.SetIOHandler(new CIOSystemWrapper(pIO));
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}
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return exp.Export(pScene, pFormatId, pFileName, pPreprocessing);
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}
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// ------------------------------------------------------------------------------------------------
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ASSIMP_API const C_STRUCT aiExportDataBlob *aiExportSceneToBlob(const aiScene *pScene, const char *pFormatId, unsigned int pPreprocessing) {
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Exporter exp;
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if (!exp.ExportToBlob(pScene, pFormatId, pPreprocessing)) {
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return nullptr;
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}
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const aiExportDataBlob *blob = exp.GetOrphanedBlob();
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ai_assert(blob);
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return blob;
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}
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// ------------------------------------------------------------------------------------------------
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ASSIMP_API C_STRUCT void aiReleaseExportBlob(const aiExportDataBlob *pData) {
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delete pData;
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}
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#endif // !ASSIMP_BUILD_NO_EXPORT
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130
vendor/assimp/code/CApi/CInterfaceIOWrapper.cpp
vendored
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130
vendor/assimp/code/CApi/CInterfaceIOWrapper.cpp
vendored
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/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2026, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file aiFileIO -> IOSystem wrapper*/
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#include "CInterfaceIOWrapper.h"
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namespace Assimp {
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// ------------------------------------------------------------------------------------------------
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CIOStreamWrapper::~CIOStreamWrapper() {
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// Various places depend on this destructor to close the file
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if (mFile != nullptr) {
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mIO->mFileSystem->CloseProc(mIO->mFileSystem, mFile);
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}
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}
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// ------------------------------------------------------------------------------------------------
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size_t CIOStreamWrapper::Read(void *pvBuffer,
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size_t pSize,
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size_t pCount) {
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// need to typecast here as C has no void*
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return mFile->ReadProc(mFile, (char *)pvBuffer, pSize, pCount);
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}
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// ------------------------------------------------------------------------------------------------
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size_t CIOStreamWrapper::Write(const void *pvBuffer,
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size_t pSize,
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size_t pCount) {
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// need to typecast here as C has no void*
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return mFile->WriteProc(mFile, (const char *)pvBuffer, pSize, pCount);
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}
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// ------------------------------------------------------------------------------------------------
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aiReturn CIOStreamWrapper::Seek(size_t pOffset,
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aiOrigin pOrigin) {
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return mFile->SeekProc(mFile, pOffset, pOrigin);
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}
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// ------------------------------------------------------------------------------------------------
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size_t CIOStreamWrapper::Tell() const {
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return mFile->TellProc(mFile);
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}
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// ------------------------------------------------------------------------------------------------
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size_t CIOStreamWrapper::FileSize() const {
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return mFile->FileSizeProc(mFile);
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}
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// ------------------------------------------------------------------------------------------------
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void CIOStreamWrapper::Flush() {
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return mFile->FlushProc(mFile);
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}
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// ------------------------------------------------------------------------------------------------
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// Custom IOStream implementation for the C-API
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bool CIOSystemWrapper::Exists(const char *pFile) const {
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aiFile *p = mFileSystem->OpenProc(mFileSystem, pFile, "rb");
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if (p) {
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mFileSystem->CloseProc(mFileSystem, p);
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return true;
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}
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return false;
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}
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// ...................................................................
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char CIOSystemWrapper::getOsSeparator() const {
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#ifndef _WIN32
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return '/';
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#else
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return '\\';
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#endif
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}
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// ...................................................................
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IOStream *CIOSystemWrapper::Open(const char *pFile, const char *pMode) {
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aiFile *p = mFileSystem->OpenProc(mFileSystem, pFile, pMode);
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if (!p) {
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return nullptr;
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}
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return new CIOStreamWrapper(p, this);
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}
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// ...................................................................
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void CIOSystemWrapper::Close(IOStream *pFile) {
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if (!pFile) {
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return;
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}
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delete pFile;
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}
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} // namespace Assimp
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105
vendor/assimp/code/CApi/CInterfaceIOWrapper.h
vendored
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105
vendor/assimp/code/CApi/CInterfaceIOWrapper.h
vendored
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@ -0,0 +1,105 @@
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/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2026, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the following
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conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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---------------------------------------------------------------------------
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*/
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/** @file aiFileIO -> IOSystem wrapper*/
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#ifndef AI_CIOSYSTEM_H_INCLUDED
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#define AI_CIOSYSTEM_H_INCLUDED
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#include <assimp/cfileio.h>
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#include <assimp/IOStream.hpp>
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#include <assimp/IOSystem.hpp>
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#include <assimp/ai_assert.h>
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namespace Assimp {
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class CIOSystemWrapper;
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// ------------------------------------------------------------------------------------------------
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/// @brief Custom IOStream implementation for the C-API-
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// ------------------------------------------------------------------------------------------------
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class CIOStreamWrapper final : public IOStream {
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public:
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explicit CIOStreamWrapper(aiFile *pFile, CIOSystemWrapper *io);
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~CIOStreamWrapper() override;
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size_t Read(void *pvBuffer, size_t pSize, size_t pCount) override;
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size_t Write(const void *pvBuffer, size_t pSize, size_t pCount) override;
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aiReturn Seek(size_t pOffset, aiOrigin pOrigin) override;
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size_t Tell(void) const override;
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size_t FileSize() const override;
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void Flush() override;
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private:
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aiFile *mFile;
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CIOSystemWrapper *mIO;
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};
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inline CIOStreamWrapper::CIOStreamWrapper(aiFile *pFile, CIOSystemWrapper *io) :
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mFile(pFile),
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mIO(io) {
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ai_assert(io != nullptr);
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}
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// ------------------------------------------------------------------------------------------------
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/// @brief Custom IO-System wrapper implementation for the C-API.
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// ------------------------------------------------------------------------------------------------
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class CIOSystemWrapper final : public IOSystem {
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friend class CIOStreamWrapper;
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public:
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explicit CIOSystemWrapper(aiFileIO *pFile);
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~CIOSystemWrapper() override = default;
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bool Exists(const char *pFile) const override;
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char getOsSeparator() const override;
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IOStream *Open(const char *pFile, const char *pMode = "rb") override;
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void Close(IOStream *pFile) override;
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private:
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aiFileIO *mFileSystem;
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};
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inline CIOSystemWrapper::CIOSystemWrapper(aiFileIO *pFile) : mFileSystem(pFile) {
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ai_assert(pFile != nullptr);
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}
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} // namespace Assimp
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#endif // AI_CIOSYSTEM_H_INCLUDED
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