LWGEOM_getTYPE()

Datum LWGEOM_getTYPE

(

PG_FUNCTION_ARGS

)

Definition at line 116 of file lwgeom_ogc.c.

{
        GSERIALIZED *gser;
        text *text_ob;
        char *result;
        uint8_t type;
        static int maxtyplen = 20;
 
        gser = PG_GETARG_GSERIALIZED_P_SLICE(0, 0, gserialized_max_header_size());
        text_ob = palloc0(VARHDRSZ + maxtyplen);
        result = VARDATA(text_ob);
 
        type = gserialized_get_type(gser);
 
        if (type == POINTTYPE)
                strcpy(result,"POINT");
        else if (type == MULTIPOINTTYPE)
                strcpy(result,"MULTIPOINT");
        else if (type == LINETYPE)
                strcpy(result,"LINESTRING");
        else if (type == CIRCSTRINGTYPE)
                strcpy(result,"CIRCULARSTRING");
        else if (type == COMPOUNDTYPE)
                strcpy(result, "COMPOUNDCURVE");
        else if (type == MULTILINETYPE)
                strcpy(result,"MULTILINESTRING");
        else if (type == MULTICURVETYPE)
                strcpy(result, "MULTICURVE");
        else if (type == POLYGONTYPE)
                strcpy(result,"POLYGON");
        else if (type == TRIANGLETYPE)
                strcpy(result,"TRIANGLE");
        else if (type == CURVEPOLYTYPE)
                strcpy(result,"CURVEPOLYGON");
        else if (type == MULTIPOLYGONTYPE)
                strcpy(result,"MULTIPOLYGON");
        else if (type == MULTISURFACETYPE)
                strcpy(result, "MULTISURFACE");
        else if (type == COLLECTIONTYPE)
                strcpy(result,"GEOMETRYCOLLECTION");
        else if (type == POLYHEDRALSURFACETYPE)
                strcpy(result,"POLYHEDRALSURFACE");
        else if (type == TINTYPE)
                strcpy(result,"TIN");
        else
                strcpy(result,"UNKNOWN");
 
        if ( gserialized_has_m(gser) && ! gserialized_has_z(gser) )
                strcat(result, "M");
 
        SET_VARSIZE(text_ob, strlen(result) + VARHDRSZ); /* size of string */
 
        PG_FREE_IF_COPY(gser, 0);
 
        PG_RETURN_TEXT_P(text_ob);
}

References CIRCSTRINGTYPE, COLLECTIONTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, gserialized_get_type(), gserialized_has_m(), gserialized_has_z(), gserialized_max_header_size(), LINETYPE, MULTICURVETYPE, MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, MULTISURFACETYPE, POINTTYPE, POLYGONTYPE, POLYHEDRALSURFACETYPE, TINTYPE, and TRIANGLETYPE.

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