lwcollection_allows_subtype()

int lwcollection_allows_subtype	(	int	collectiontype,
		int	subtype
	)

Check if subtype is allowed in collectiontype.

Definition at line 543 of file lwcollection.c.

References CIRCSTRINGTYPE, COLLECTIONTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, LINETYPE, LW_FALSE, LW_TRUE, MULTICURVETYPE, MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, MULTISURFACETYPE, POINTTYPE, POLYGONTYPE, POLYHEDRALSURFACETYPE, TINTYPE, and TRIANGLETYPE.

Referenced by lwcollection_add_lwgeom(), and lwcollection_from_gserialized_buffer().

{
        if ( collectiontype == COLLECTIONTYPE )
                return LW_TRUE;
        if ( collectiontype == MULTIPOINTTYPE &&
                subtype == POINTTYPE )
                return LW_TRUE;
        if ( collectiontype == MULTILINETYPE &&
                subtype == LINETYPE )
                return LW_TRUE;
        if ( collectiontype == MULTIPOLYGONTYPE &&
                subtype == POLYGONTYPE )
                return LW_TRUE;
        if ( collectiontype == COMPOUNDTYPE &&
                (subtype == LINETYPE || subtype == CIRCSTRINGTYPE) )
                return LW_TRUE;
        if ( collectiontype == CURVEPOLYTYPE &&
                (subtype == CIRCSTRINGTYPE || subtype == LINETYPE || subtype == COMPOUNDTYPE) )
                return LW_TRUE;
        if ( collectiontype == MULTICURVETYPE &&
                (subtype == CIRCSTRINGTYPE || subtype == LINETYPE || subtype == COMPOUNDTYPE) )
                return LW_TRUE;
        if ( collectiontype == MULTISURFACETYPE &&
                (subtype == POLYGONTYPE || subtype == CURVEPOLYTYPE) )
                return LW_TRUE;
        if ( collectiontype == POLYHEDRALSURFACETYPE &&
                subtype == POLYGONTYPE )
                return LW_TRUE;
        if ( collectiontype == TINTYPE &&
                subtype == TRIANGLETYPE )
                return LW_TRUE;

        /* Must be a bad combination! */
        return LW_FALSE;
}

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