@shapediver/sdk.sdtf-geometry/src/SdtfGeometryTypeReader.ts

Extension containing sdTF geometry types

import {
    ISdtfReadableContentComponent,
    ISdtfTypeReader,
    sdAssertUnreachable,
    SdtfError,
    SdtfGeometryTypeHintName,
} from '@shapediver/sdk.sdtf-core';
import { SdtfGeometryTypeValidator } from './SdtfGeometryTypeValidator';

export class SdtfGeometryTypeReader implements ISdtfTypeReader {
    private readonly validator = new SdtfGeometryTypeValidator();

    async readComponent(component: ISdtfReadableContentComponent): Promise<unknown> {
        const typeHint = component.typeHint?.name as SdtfGeometryTypeHintName;

        // Make sure that the component consists of valid data
        if (!this.validator.validateComponent(typeHint, component.value, component.accessor)) {
            throw new SdtfError(`Cannot read value of type '${typeHint}': Invalid component.`);
        }

        // All values of a geometry type are stored inside the JSON content.
        switch (typeHint) {
            case SdtfGeometryTypeHintName.GEOMETRY_ARC:
            case SdtfGeometryTypeHintName.GEOMETRY_BOUNDING_BOX:
            case SdtfGeometryTypeHintName.GEOMETRY_BOX:
            case SdtfGeometryTypeHintName.GEOMETRY_CIRCLE:
            case SdtfGeometryTypeHintName.GEOMETRY_COMPLEX:
            case SdtfGeometryTypeHintName.GEOMETRY_CONE:
            case SdtfGeometryTypeHintName.GEOMETRY_CYLINDER:
            case SdtfGeometryTypeHintName.GEOMETRY_ELLIPSE:
            case SdtfGeometryTypeHintName.GEOMETRY_INTERVAL:
            case SdtfGeometryTypeHintName.GEOMETRY_INTERVAL2:
            case SdtfGeometryTypeHintName.GEOMETRY_LINE:
            case SdtfGeometryTypeHintName.GEOMETRY_MATRIX:
            case SdtfGeometryTypeHintName.GEOMETRY_PLANE:
            case SdtfGeometryTypeHintName.GEOMETRY_POINT:
            case SdtfGeometryTypeHintName.GEOMETRY_POINT2D:
            case SdtfGeometryTypeHintName.GEOMETRY_POINT3D:
            case SdtfGeometryTypeHintName.GEOMETRY_POINT4D:
            case SdtfGeometryTypeHintName.GEOMETRY_POLYLINE:
            case SdtfGeometryTypeHintName.GEOMETRY_RAY:
            case SdtfGeometryTypeHintName.GEOMETRY_RECTANGLE:
            case SdtfGeometryTypeHintName.GEOMETRY_SPHERE:
            case SdtfGeometryTypeHintName.GEOMETRY_TORUS:
            case SdtfGeometryTypeHintName.GEOMETRY_TRANSFORM:
            case SdtfGeometryTypeHintName.GEOMETRY_TRANSFORM_LIST:
            case SdtfGeometryTypeHintName.GEOMETRY_VECTOR:
            case SdtfGeometryTypeHintName.GEOMETRY_VECTOR2D:
            case SdtfGeometryTypeHintName.GEOMETRY_VECTOR3D:
            case SdtfGeometryTypeHintName.GEOMETRY_VECTOR4D:
                return component.value;
            default:
                sdAssertUnreachable(typeHint);
        }
    }
}