PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ parse_gml_mline()

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

Parse gml:MultiLineString (2.1.2, 3.1.1)

Definition at line 1703 of file lwgeom_in_gml.c.

1704 {
1705  gmlSrs srs;
1706  xmlNodePtr xa;
1707  LWGEOM *geom = NULL;
1708 
1709  if (is_xlink(xnode)) xnode = get_xlink_node(xnode);
1710  if (xnode == NULL)
1711  gml_lwpgerror("invalid GML representation", 30);
1712  if (xnode == NULL)
1713  gml_lwpgerror("invalid GML representation", 30);
1714 
1715  parse_gml_srs(xnode, &srs);
1716  if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1717  *root_srid = srs.srid;
1718 
1719  geom = (LWGEOM *)lwcollection_construct_empty(MULTILINETYPE, *root_srid, 1, 0);
1720 
1721  if (xnode->children == NULL)
1722  return geom;
1723 
1724  for (xa = xnode->children ; xa != NULL ; xa = xa->next)
1725  {
1726  /* MultiLineString/lineStringMember */
1727  if (xa->type != XML_ELEMENT_NODE) continue;
1728  if (!is_gml_namespace(xa, false)) continue;
1729  if (!is_gml_element(xa, "lineStringMember")) continue;
1730  if (xa->children != NULL)
1731  geom = (LWGEOM*)lwmline_add_lwline((LWMLINE*)geom,
1732  (LWLINE*)parse_gml(xa->children, hasz, root_srid));
1733  }
1734 
1735  return geom;
1736 }
#define MULTILINETYPE
Definition: liblwgeom.h:120
LWMLINE * lwmline_add_lwline(LWMLINE *mobj, const LWLINE *obj)
Definition: lwmline.c:46
LWCOLLECTION * lwcollection_construct_empty(uint8_t type, int32_t srid, char hasz, char hasm)
Definition: lwcollection.c:92
#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 void gml_lwpgerror(char *msg, __attribute__((__unused__)) int error_code)
Definition: lwgeom_in_gml.c:81
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(), lwmline_add_lwline(), MULTILINETYPE, parse_gml(), parse_gml_srs(), struct_gmlSrs::srid, and SRID_UNKNOWN.

Referenced by parse_gml().

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