parse_gml_coord()

static POINTARRAY* parse_gml_coord ( xmlNodePtr  xnode, bool *  hasz  )

static

Parse gml:coord.

Definition at line 726 of file lwgeom_in_gml.c.

{
        xmlNodePtr xyz;
        POINTARRAY *dpa;
        bool x,y,z;
        xmlChar *c;
        POINT4D p = {0};
 
        /* HasZ?, !HasM, 1 Point */
        dpa = ptarray_construct_empty(1, 0, 1);
 
        x = y = z = false;
        for (xyz = xnode->children ; xyz != NULL ; xyz = xyz->next)
        {
                if (xyz->type != XML_ELEMENT_NODE) continue;
                if (!is_gml_namespace(xyz, false)) continue;
 
                if (is_gml_element(xyz, "X"))
                {
                        if (x) gml_lwpgerror("invalid GML representation", 21);
                        c = xmlNodeGetContent(xyz);
                        p.x = parse_gml_double((char *) c, true, true);
                        x = true;
                        xmlFree(c);
                }
                else  if (is_gml_element(xyz, "Y"))
                {
                        if (y) gml_lwpgerror("invalid GML representation", 22);
                        c = xmlNodeGetContent(xyz);
                        p.y = parse_gml_double((char *) c, true, true);
                        y = true;
                        xmlFree(c);
                }
                else if (is_gml_element(xyz, "Z"))
                {
                        if (z) gml_lwpgerror("invalid GML representation", 23);
                        c = xmlNodeGetContent(xyz);
                        p.z = parse_gml_double((char *) c, true, true);
                        z = true;
                        xmlFree(c);
                }
        }
        /* Check dimension consistency */
        if (!x || !y) gml_lwpgerror("invalid GML representation", 24);
        if (!z) *hasz = false;
 
        ptarray_append_point(dpa, &p, LW_FALSE);
 
        return dpa; /* ptarray_clone_deep(dpa); */
}

References gml_lwpgerror(), is_gml_element(), is_gml_namespace(), LW_FALSE, parse_gml_double(), ptarray_append_point(), ptarray_construct_empty(), POINT4D::x, pixval::x, POINT4D::y, pixval::y, and POINT4D::z.

Referenced by parse_gml_data().

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