113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
/*
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---------------------------------------------------------------------------
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Open Asset Import Library (assimp)
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---------------------------------------------------------------------------
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Copyright (c) 2006-2018, 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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#ifndef ASSIMP_BUILD_NO_STEPFILE_IMPORTER
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#include "StepFileImporter.h"
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#include "../../Importer/IFC/STEPFileReader.h"
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#include <assimp/importerdesc.h>
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#include <assimp/DefaultIOSystem.h>
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namespace Assimp {
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namespace STEP {
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static const aiImporterDesc desc = { "StepFile Importer",
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"",
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"",
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"",
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0,
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0,
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0,
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0,
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0,
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"stp" };
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StepFileImporter::StepFileImporter()
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: BaseImporter() {
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}
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StepFileImporter::~StepFileImporter() {
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}
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bool StepFileImporter::CanRead(const std::string& file, IOSystem* pIOHandler, bool checkSig) const {
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const std::string &extension = GetExtension(file);
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if ( extension == "stp" || extension == "step" ) {
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return true;
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} else if ((!extension.length() || checkSig) && pIOHandler) {
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const char* tokens[] = { "ISO-10303-21" };
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const bool found(SearchFileHeaderForToken(pIOHandler, file, tokens, 1));
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return found;
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}
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return false;
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}
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const aiImporterDesc *StepFileImporter::GetInfo() const {
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return &desc;
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}
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static const std::string mode = "rb";
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static const std::string StepFileSchema = "CONFIG_CONTROL_DESIGN";
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void StepFileImporter::InternReadFile(const std::string &file, aiScene* pScene, IOSystem* pIOHandler) {
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// Read file into memory
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std::shared_ptr<IOStream> fileStream(pIOHandler->Open(file, mode));
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if (!fileStream.get()) {
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throw DeadlyImportError("Failed to open file " + file + ".");
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}
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std::unique_ptr<STEP::DB> db(STEP::ReadFileHeader(fileStream));
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const STEP::HeaderInfo& head = static_cast<const STEP::DB&>(*db).GetHeader();
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if (!head.fileSchema.size() || head.fileSchema != StepFileSchema) {
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DeadlyImportError("Unrecognized file schema: " + head.fileSchema);
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}
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}
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} // Namespace STEP
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} // Namespace Assimp
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#endif // ASSIMP_BUILD_NO_STEPFILE_IMPORTER
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