115 lines
3.8 KiB
C++
115 lines
3.8 KiB
C++
/*
|
|
---------------------------------------------------------------------------
|
|
Open Asset Import Library (assimp)
|
|
---------------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2018, assimp team
|
|
|
|
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use of this software in source and binary forms,
|
|
with or without modification, are permitted provided that the following
|
|
conditions are met:
|
|
|
|
* Redistributions of source code must retain the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer in the documentation and/or other
|
|
materials provided with the distribution.
|
|
|
|
* Neither the name of the assimp team, nor the names of its
|
|
contributors may be used to endorse or promote products
|
|
derived from this software without specific prior
|
|
written permission of the assimp team.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
---------------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef ASSIMP_BUILD_NO_STEP_IMPORTER
|
|
|
|
#include "StepFileImporter.h"
|
|
#include "../../Importer/STEPParser/STEPFileReader.h"
|
|
#include <assimp/importerdesc.h>
|
|
#include <assimp/DefaultIOSystem.h>
|
|
|
|
namespace Assimp {
|
|
namespace StepFile {
|
|
|
|
using namespace STEP;
|
|
|
|
static const aiImporterDesc desc = { "StepFile Importer",
|
|
"",
|
|
"",
|
|
"",
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
"stp" };
|
|
|
|
StepFileImporter::StepFileImporter()
|
|
: BaseImporter() {
|
|
|
|
}
|
|
|
|
StepFileImporter::~StepFileImporter() {
|
|
|
|
}
|
|
|
|
bool StepFileImporter::CanRead(const std::string& file, IOSystem* pIOHandler, bool checkSig) const {
|
|
const std::string &extension = GetExtension(file);
|
|
if ( extension == "stp" || extension == "step" ) {
|
|
return true;
|
|
} else if ((!extension.length() || checkSig) && pIOHandler) {
|
|
const char* tokens[] = { "ISO-10303-21" };
|
|
const bool found(SearchFileHeaderForToken(pIOHandler, file, tokens, 1));
|
|
return found;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
const aiImporterDesc *StepFileImporter::GetInfo() const {
|
|
return &desc;
|
|
}
|
|
|
|
static const std::string mode = "rb";
|
|
static const std::string StepFileSchema = "CONFIG_CONTROL_DESIGN";
|
|
|
|
void StepFileImporter::InternReadFile(const std::string &file, aiScene* pScene, IOSystem* pIOHandler) {
|
|
// Read file into memory
|
|
std::shared_ptr<IOStream> fileStream(pIOHandler->Open(file, mode));
|
|
if (!fileStream.get()) {
|
|
throw DeadlyImportError("Failed to open file " + file + ".");
|
|
}
|
|
|
|
std::unique_ptr<STEP::DB> db(STEP::ReadFileHeader(fileStream));
|
|
const STEP::HeaderInfo& head = static_cast<const STEP::DB&>(*db).GetHeader();
|
|
if (!head.fileSchema.size() || head.fileSchema != StepFileSchema) {
|
|
DeadlyImportError("Unrecognized file schema: " + head.fileSchema);
|
|
}
|
|
}
|
|
|
|
} // Namespace StepFile
|
|
} // Namespace Assimp
|
|
|
|
#endif // ASSIMP_BUILD_NO_STEP_IMPORTER
|
|
|