Method ColladaParser

code/AssetLib/Collada/ColladaParser.cpp:414–468

------------------------------------------------------------------------------------------------ Constructor to be privately used by Importer

// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
ColladaParser::ColladaParser(IOSystem *pIOHandler, const std::string &pFile) :
        mFileName(pFile),
        mRootNode(nullptr),
        mUnitSize(1.0f),
        mUpDirection(UP_Y),
        mFormat(FV_1_5_n) {
    if (nullptr == pIOHandler) {
        throw DeadlyImportError("IOSystem is nullptr.");
    }

    std::unique_ptr<IOStream> daeFile;
    std::unique_ptr<ZipArchiveIOSystem> zip_archive;

    // Determine type
    const std::string extension = BaseImporter::GetExtension(pFile);
    if (extension != "dae") {
        zip_archive = std::make_unique<ZipArchiveIOSystem>(pIOHandler, pFile);
    }

    if (zip_archive && zip_archive->isOpen()) {
        std::string dae_filename = ReadZaeManifest(*zip_archive);

        if (dae_filename.empty()) {
            throw DeadlyImportError("Invalid ZAE");
        }

        daeFile.reset(zip_archive->Open(dae_filename.c_str()));
        if (daeFile == nullptr) {
            throw DeadlyImportError("Invalid ZAE manifest: '", dae_filename, "' is missing");
        }
    } else {
        // attempt to open the file directly
        daeFile.reset(pIOHandler->Open(pFile));
        if (daeFile == nullptr) {
            throw DeadlyImportError("Failed to open file '", pFile, "'.");
        }
    }

    // generate a XML reader for it
    if (!mXmlParser.parse(daeFile.get())) {
        throw DeadlyImportError("Unable to read file, malformed XML");
    }
    // start reading
    const XmlNode node = mXmlParser.getRootNode();
    XmlNode colladaNode = node.child("COLLADA");
    if (colladaNode.empty()) {
        return;
    }

    // Read content and embedded textures
    ReadContents(colladaNode);
    if (zip_archive && zip_archive->isOpen()) {
        ReadEmbeddedTextures(*zip_archive);
    }
}

// ------------------------------------------------------------------------------------------------
// Destructor, private as well