PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ parse_gml_mpoint()

static LWGEOM * parse_gml_mpoint ( xmlNodePtr  xnode,
bool *  hasz,
int *  root_srid 
)
static

Parse gml:MultiPoint (2.1.2, 3.1.1)

Definition at line 1607 of file lwgeom_in_gml.c.

1608{
1609 gmlSrs srs;
1610 xmlNodePtr xa, xb;
1611 LWGEOM *geom = NULL;
1612
1613 if (is_xlink(xnode)) xnode = get_xlink_node(xnode);
1614 if (xnode == NULL)
1615 gml_lwpgerror("invalid GML representation", 30);
1616
1617 parse_gml_srs(xnode, &srs);
1618 if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1619 *root_srid = srs.srid;
1620
1621 geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOINTTYPE, *root_srid, 1, 0);
1622
1623 if (xnode->children == NULL)
1624 return geom;
1625
1626 for (xa = xnode->children ; xa != NULL ; xa = xa->next)
1627 {
1628 /* MultiPoint/pointMember */
1629 if (xa->type != XML_ELEMENT_NODE) continue;
1630 if (!is_gml_namespace(xa, false)) continue;
1631 if (is_gml_element(xa, "pointMembers"))
1632 {
1633 for (xb = xa->children ; xb != NULL ; xb = xb->next)
1634 {
1636 (LWMPOINT*)geom,
1637 (LWPOINT*)parse_gml(xb, hasz, root_srid));
1638 }
1639 }
1640 else if (is_gml_element(xa, "pointMember"))
1641 {
1642 if (xa->children != NULL)
1643 geom = (LWGEOM*)lwmpoint_add_lwpoint((LWMPOINT*)geom,
1644 (LWPOINT*)parse_gml(xa->children, hasz, root_srid));
1645 }
1646 }
1647
1648 return geom;
1649}
LWMPOINT * lwmpoint_add_lwpoint(LWMPOINT *mobj, const LWPOINT *obj)
Definition lwmpoint.c:45
#define MULTIPOINTTYPE
Definition liblwgeom.h:105
LWCOLLECTION * lwcollection_construct_empty(uint8_t type, int32_t srid, char hasz, char hasm)
#define SRID_UNKNOWN
Unknown SRID value.
Definition liblwgeom.h:215
static xmlNodePtr get_xlink_node(xmlNodePtr xnode)
Return a xmlNodePtr on a node referenced by a XLink or NULL otherwise.
static bool is_xlink(xmlNodePtr node)
Return true if current node contains a simple XLink Return false otherwise.
static LWGEOM * parse_gml(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML.
static bool is_gml_namespace(xmlNodePtr xnode, bool is_strict)
Return false if current element namespace is not a GML one Return true otherwise.
static void parse_gml_srs(xmlNodePtr xnode, gmlSrs *srs)
Parse gml srsName attribute.
static void gml_lwpgerror(char *msg, __attribute__((__unused__)) int error_code)
static bool is_gml_element(xmlNodePtr xn, const char *gml_name)

References get_xlink_node(), gml_lwpgerror(), is_gml_element(), is_gml_namespace(), is_xlink(), lwcollection_construct_empty(), lwmpoint_add_lwpoint(), MULTIPOINTTYPE, parse_gml(), parse_gml_srs(), struct_gmlSrs::srid, and SRID_UNKNOWN.

Referenced by parse_gml().

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