PostGIS 3.0.6dev-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 1586 of file lwgeom_in_gml.c.

1587{
1588 gmlSrs srs;
1589 xmlNodePtr xa, xb;
1590 LWGEOM *geom = NULL;
1591
1592 if (is_xlink(xnode)) xnode = get_xlink_node(xnode);
1593
1594 parse_gml_srs(xnode, &srs);
1595 if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1596 *root_srid = srs.srid;
1597
1598 geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOINTTYPE, *root_srid, 1, 0);
1599
1600 if (xnode->children == NULL)
1601 return geom;
1602
1603 for (xa = xnode->children ; xa != NULL ; xa = xa->next)
1604 {
1605 /* MultiPoint/pointMember */
1606 if (xa->type != XML_ELEMENT_NODE) continue;
1607 if (!is_gml_namespace(xa, false)) continue;
1608 if (is_gml_element(xa, "pointMembers"))
1609 {
1610 for (xb = xa->children ; xb != NULL ; xb = xb->next)
1611 {
1613 (LWMPOINT*)geom,
1614 (LWPOINT*)parse_gml(xb, hasz, root_srid));
1615 }
1616 }
1617 else if (is_gml_element(xa, "pointMember"))
1618 {
1619 if (xa->children != NULL)
1620 geom = (LWGEOM*)lwmpoint_add_lwpoint((LWMPOINT*)geom,
1621 (LWPOINT*)parse_gml(xa->children, hasz, root_srid));
1622 }
1623 }
1624
1625 return geom;
1626}
LWMPOINT * lwmpoint_add_lwpoint(LWMPOINT *mobj, const LWPOINT *obj)
Definition lwmpoint.c:45
#define MULTIPOINTTYPE
Definition liblwgeom.h:119
LWCOLLECTION * lwcollection_construct_empty(uint8_t type, int32_t srid, char hasz, char hasm)
#define SRID_UNKNOWN
Unknown SRID value.
Definition liblwgeom.h:229
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 bool is_gml_element(xmlNodePtr xn, const char *gml_name)

References get_xlink_node(), 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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