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geos.c
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geos.c
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/***********************************************************************
*
* GEOS - Geometry Engine Open Source
* http://trac.osgeo.org/geos
*
* Copyright (C) 2010 Sandro Santilli <strk@kbt.io>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*
***********************************************************************/
/* PHP stuff */
#include "php.h"
#include "ext/standard/info.h" /* for php_info_... */
#include "Zend/zend_exceptions.h" /* for zend_throw_exception_object */
/* GEOS stuff */
#include "geos_c.h"
/* Own stuff */
#include "php_geos.h"
#include "arginfo.h"
static ZEND_DECLARE_MODULE_GLOBALS(geos);
static PHP_GINIT_FUNCTION(geos);
PHP_MINIT_FUNCTION(geos);
PHP_MSHUTDOWN_FUNCTION(geos);
PHP_RINIT_FUNCTION(geos);
PHP_RSHUTDOWN_FUNCTION(geos);
PHP_MINFO_FUNCTION(geos);
PHP_FUNCTION(GEOSVersion);
PHP_FUNCTION(GEOSPolygonize);
PHP_FUNCTION(GEOSLineMerge);
#ifdef HAVE_GEOS_SHARED_PATHS
PHP_FUNCTION(GEOSSharedPaths);
#endif
#ifdef HAVE_GEOS_RELATE_PATTERN_MATCH
PHP_FUNCTION(GEOSRelateMatch);
#endif
#if PHP_VERSION_ID < 50399
#define zend_function_entry function_entry
#endif
#if PHP_VERSION_ID >= 70000
# define GEOS_PHP_DTOR_OBJECT zend_object
# define zend_object_value zend_object *
# define zend_uint size_t
# define MAKE_STD_ZVAL(x) x = emalloc(sizeof(zval))
# define GEOS_PHP_RETURN_STRING(x) { RETVAL_STRING((x)); efree((x)); return; }
# define GEOS_PHP_RETURN_STRINGL(x,s) { RETVAL_STRINGL((x),(s)); efree((x)); return; }
# define GEOS_PHP_ADD_ASSOC_ARRAY(a,k,v) { add_assoc_string((a), (k), (v)); efree((v)); }
# define GEOS_PHP_ADD_ASSOC_ZVAL(a,k,v) { add_assoc_zval((a), (k), (v)); efree((v)); }
# define GEOS_PHP_HASH_GET_CUR_KEY(s,k,i) zend_hash_get_current_key((s), (k), (i))
# define GEOS_PHP_HASH_GET_CUR_DATA(h,d) ( d = zend_hash_get_current_data((h)) )
# define GEOS_PHP_ZVAL zval *
#else /* PHP_VERSION_ID < 70000 */
# define GEOS_PHP_DTOR_OBJECT void
# define GEOS_PHP_RETURN_STRING(x) RETURN_STRING((x),0)
# define GEOS_PHP_RETURN_STRINGL(x,s) RETURN_STRINGL((x),(s),0)
# define GEOS_PHP_ADD_ASSOC_ARRAY(a,k,v) add_assoc_string((a), (k), (v), 0)
# define GEOS_PHP_ADD_ASSOC_ZVAL(a,k,v) add_assoc_zval((a), (k), (v))
# define GEOS_PHP_HASH_GET_CUR_KEY(s,k,i) zend_hash_get_current_key((s), (k), (i), 0)
# define zend_string char
# define zend_long long
# define ZSTR_VAL(x) (x)
# define GEOS_PHP_HASH_GET_CUR_DATA(h,d) zend_hash_get_current_data((h),(void**)&(d))
# define GEOS_PHP_ZVAL zval **
#endif
static zend_function_entry geos_functions[] = {
PHP_FE(GEOSVersion, arginfo_GEOSVersion)
PHP_FE(GEOSPolygonize, arginfo_GEOSPolygonize)
PHP_FE(GEOSLineMerge, arginfo_GEOSLineMerge)
# ifdef HAVE_GEOS_SHARED_PATHS
PHP_FE(GEOSSharedPaths, arginfo_GEOSSharedPaths)
# endif
# ifdef HAVE_GEOS_RELATE_PATTERN_MATCH
PHP_FE(GEOSRelateMatch, arginfo_GEOSRelateMatch)
# endif
#ifdef PHP_FE_END
PHP_FE_END
#else
{NULL, NULL, NULL}
#endif
};
zend_module_entry geos_module_entry = {
STANDARD_MODULE_HEADER,
PHP_GEOS_EXTNAME,
geos_functions,
PHP_MINIT(geos), /* module init function */
PHP_MSHUTDOWN(geos), /* module shutdown function */
PHP_RINIT(geos), /* request init function */
PHP_RSHUTDOWN(geos), /* request shutdown function */
PHP_MINFO(geos), /* module info function */
PHP_GEOS_VERSION,
PHP_MODULE_GLOBALS(geos), /* globals descriptor */
PHP_GINIT(geos), /* globals ctor */
NULL, /* globals dtor */
NULL, /* post deactivate */
STANDARD_MODULE_PROPERTIES_EX
};
#ifdef COMPILE_DL_GEOS
ZEND_GET_MODULE(geos)
#endif
/* -- Utility functions ---------------------- */
static void noticeHandler(const char *fmt, ...)
{
TSRMLS_FETCH();
char message[256];
va_list args;
va_start(args, fmt);
vsnprintf(message, sizeof(message) - 1, fmt, args);
va_end(args);
php_error_docref(NULL TSRMLS_CC, E_NOTICE, "%s", message);
}
static void errorHandler(const char *fmt, ...)
{
TSRMLS_FETCH();
char message[256];
va_list args;
va_start(args, fmt);
vsnprintf(message, sizeof(message) - 1, fmt, args);
va_end(args);
/* TODO: use a GEOSException ? */
zend_throw_exception_ex(zend_exception_get_default(TSRMLS_C),
1 TSRMLS_CC, "%s", message);
}
typedef struct Proxy_t {
#if PHP_VERSION_ID >= 70000
int id;
void* relay;
zend_object std;
#else
zend_object std;
void* relay;
#endif
} Proxy;
#if PHP_VERSION_ID >= 70000
static inline Proxy *php_geos_fetch_object(zend_object *obj) {
return (Proxy *)((char *) obj - XtOffsetOf(Proxy, std));
}
# define Z_GEOS_OBJ_P(zv) (Proxy *)((char *) (Z_OBJ_P(zv)) - XtOffsetOf(Proxy, std))
#else
# ifdef Z_OBJ
# define Z_GEOS_OBJ_P(zv) (Proxy*)Z_OBJ(*val TSRMLS_CC)
# else
# define Z_GEOS_OBJ_P(zv) (Proxy*)zend_object_store_get_object(val TSRMLS_CC)
# endif
#endif
static void
setRelay(zval* val, void* obj) {
TSRMLS_FETCH();
Proxy* proxy = Z_GEOS_OBJ_P(val);
proxy->relay = obj;
}
static inline void *
getRelay(zval* val, zend_class_entry* ce) {
TSRMLS_FETCH();
Proxy* proxy = Z_GEOS_OBJ_P(val);
if ( proxy->std.ce != ce ) {
php_error_docref(NULL TSRMLS_CC, E_ERROR,
#if PHP_VERSION_ID >= 70000
"Relay object is not an %s", ZSTR_VAL(ce->name));
#else
"Relay object is not an %s", ce->name);
#endif
}
if ( ! proxy->relay ) {
php_error_docref(NULL TSRMLS_CC, E_ERROR,
#if PHP_VERSION_ID >= 70000
"Relay object for object of type %s is not set", ZSTR_VAL(ce->name));
#else
"Relay object for object of type %s is not set", ce->name);
#endif
}
return proxy->relay;
}
static long getZvalAsLong(GEOS_PHP_ZVAL val)
{
long ret;
zval tmp;
#if PHP_VERSION_ID >= 70000
tmp = *val;
#else
tmp = **val;
#endif
zval_copy_ctor(&tmp);
convert_to_long(&tmp);
ret = Z_LVAL(tmp);
zval_dtor(&tmp);
return ret;
}
static long getZvalAsDouble(GEOS_PHP_ZVAL val)
{
double ret;
zval tmp;
#if PHP_VERSION_ID >= 70000
tmp = *val;
#else
tmp = **val;
#endif
zval_copy_ctor(&tmp);
convert_to_double(&tmp);
ret = Z_DVAL(tmp);
zval_dtor(&tmp);
return ret;
}
static zend_object_value
Gen_create_obj (zend_class_entry *type,
void (*dtor)(GEOS_PHP_DTOR_OBJECT *object TSRMLS_DC),
zend_object_handlers* handlers)
{
TSRMLS_FETCH();
#if PHP_VERSION_ID >= 70000
Proxy *obj = (Proxy *) ecalloc(1, sizeof(Proxy) + zend_object_properties_size(type));
zend_object_std_init(&obj->std, type TSRMLS_CC);
object_properties_init(&obj->std, type);
obj->std.handlers = handlers;
/* TODO: install the destructor ? (dtor) ! */
/* TODO: do not allocate a full Proxy if we're going to use an object */
return &obj->std;
#else /* PHP_VERSION_ID < 70000 */
zend_object_value retval;
Proxy *obj = (Proxy *)ecalloc(1, sizeof(Proxy));
obj->std.ce = type;
ALLOC_HASHTABLE(obj->std.properties);
zend_hash_init(obj->std.properties, 0, NULL, ZVAL_PTR_DTOR, 0);
#if PHP_VERSION_ID < 50399
zend_hash_copy(obj->std.properties, &type->default_properties,
(copy_ctor_func_t)zval_add_ref, NULL, sizeof(zval *));
#else
object_properties_init(&(obj->std), type);
#endif
retval.handle = zend_objects_store_put(obj, NULL, dtor, NULL TSRMLS_CC);
retval.handlers = handlers;
return retval;
#endif /* PHP_VERSION_ID < 70000 */
}
/* -- class GEOSGeometry -------------------- */
PHP_METHOD(Geometry, __construct);
PHP_METHOD(Geometry, __toString);
PHP_METHOD(Geometry, project);
PHP_METHOD(Geometry, interpolate);
PHP_METHOD(Geometry, buffer);
#ifdef HAVE_GEOS_OFFSET_CURVE
PHP_METHOD(Geometry, offsetCurve);
#endif
PHP_METHOD(Geometry, envelope);
PHP_METHOD(Geometry, intersection);
PHP_METHOD(Geometry, convexHull);
PHP_METHOD(Geometry, difference);
PHP_METHOD(Geometry, symDifference);
PHP_METHOD(Geometry, boundary);
PHP_METHOD(Geometry, union); /* also does union cascaded */
PHP_METHOD(Geometry, pointOnSurface);
PHP_METHOD(Geometry, centroid);
PHP_METHOD(Geometry, relate);
#ifdef HAVE_GEOS_RELATE_BOUNDARY_NODE_RULE
PHP_METHOD(Geometry, relateBoundaryNodeRule);
#endif
PHP_METHOD(Geometry, simplify); /* also does topology-preserving */
PHP_METHOD(Geometry, normalize);
#ifdef HAVE_GEOS_GEOM_SET_PRECISION
PHP_METHOD(Geometry, setPrecision);
#endif
#ifdef HAVE_GEOS_GEOM_GET_PRECISION
PHP_METHOD(Geometry, getPrecision);
#endif
#ifdef HAVE_GEOS_GEOM_EXTRACT_UNIQUE_POINTS
PHP_METHOD(Geometry, extractUniquePoints);
#endif
PHP_METHOD(Geometry, disjoint);
PHP_METHOD(Geometry, touches);
PHP_METHOD(Geometry, intersects);
PHP_METHOD(Geometry, crosses);
PHP_METHOD(Geometry, within);
PHP_METHOD(Geometry, contains);
PHP_METHOD(Geometry, overlaps);
#ifdef HAVE_GEOS_COVERS
PHP_METHOD(Geometry, covers);
#endif
#ifdef HAVE_GEOS_COVERED_BY
PHP_METHOD(Geometry, coveredBy);
#endif
PHP_METHOD(Geometry, equals);
PHP_METHOD(Geometry, equalsExact);
PHP_METHOD(Geometry, isEmpty);
#ifdef HAVE_GEOS_IS_VALID_DETAIL
PHP_METHOD(Geometry, checkValidity);
#endif
PHP_METHOD(Geometry, isSimple);
PHP_METHOD(Geometry, isRing);
PHP_METHOD(Geometry, hasZ);
#ifdef HAVE_GEOS_IS_CLOSED
PHP_METHOD(Geometry, isClosed);
#endif
PHP_METHOD(Geometry, typeName);
PHP_METHOD(Geometry, typeId);
PHP_METHOD(Geometry, getSRID);
PHP_METHOD(Geometry, setSRID);
PHP_METHOD(Geometry, numGeometries);
PHP_METHOD(Geometry, geometryN);
PHP_METHOD(Geometry, numInteriorRings);
#ifdef HAVE_GEOS_GEOM_GET_NUM_POINTS
PHP_METHOD(Geometry, numPoints);
#endif
#ifdef HAVE_GEOS_GEOM_GET_X
PHP_METHOD(Geometry, getX);
#endif
#ifdef HAVE_GEOS_GEOM_GET_Y
PHP_METHOD(Geometry, getY);
#endif
PHP_METHOD(Geometry, interiorRingN);
PHP_METHOD(Geometry, exteriorRing);
PHP_METHOD(Geometry, numCoordinates);
PHP_METHOD(Geometry, dimension);
#ifdef HAVE_GEOS_GEOM_GET_COORDINATE_DIMENSION
PHP_METHOD(Geometry, coordinateDimension);
#endif
#ifdef HAVE_GEOS_GEOM_GET_POINT_N
PHP_METHOD(Geometry, pointN);
#endif
#ifdef HAVE_GEOS_GEOM_GET_START_POINT
PHP_METHOD(Geometry, startPoint);
#endif
#ifdef HAVE_GEOS_GEOM_GET_END_POINT
PHP_METHOD(Geometry, endPoint);
#endif
PHP_METHOD(Geometry, area);
PHP_METHOD(Geometry, length);
PHP_METHOD(Geometry, distance);
PHP_METHOD(Geometry, hausdorffDistance);
#ifdef HAVE_GEOS_SNAP
PHP_METHOD(Geometry, snapTo);
#endif
#ifdef HAVE_GEOS_NODE
PHP_METHOD(Geometry, node);
#endif
#ifdef HAVE_GEOS_DELAUNAY_TRIANGULATION
PHP_METHOD(Geometry, delaunayTriangulation);
#endif
#ifdef HAVE_GEOS_VORONOI_DIAGRAM
PHP_METHOD(Geometry, voronoiDiagram);
#endif
#ifdef HAVE_GEOS_CLIP_BY_RECT
PHP_METHOD(Geometry, clipByRect);
#endif
static zend_function_entry Geometry_methods[] = {
PHP_ME(Geometry, __construct, arginfo_Geometry_construct, 0)
PHP_ME(Geometry, __toString, arginfo_Geometry_toString, 0)
PHP_ME(Geometry, project, arginfo_Geometry_project, 0)
PHP_ME(Geometry, interpolate, arginfo_Geometry_interpolate, 0)
PHP_ME(Geometry, buffer, arginfo_Geometry_buffer, 0)
# ifdef HAVE_GEOS_OFFSET_CURVE
PHP_ME(Geometry, offsetCurve, arginfo_Geometry_offsetCurve, 0)
# endif
PHP_ME(Geometry, envelope, arginfo_Geometry_envelope, 0)
PHP_ME(Geometry, intersection, arginfo_Geometry_intersection, 0)
PHP_ME(Geometry, convexHull, arginfo_Geometry_convexHull, 0)
PHP_ME(Geometry, difference, arginfo_Geometry_difference, 0)
PHP_ME(Geometry, symDifference, arginfo_Geometry_symDifference, 0)
PHP_ME(Geometry, boundary, arginfo_Geometry_boundary, 0)
PHP_ME(Geometry, union, arginfo_Geometry_union, 0)
PHP_ME(Geometry, pointOnSurface, arginfo_Geometry_pointOnSurface, 0)
PHP_ME(Geometry, centroid, arginfo_Geometry_centroid, 0)
PHP_ME(Geometry, relate, arginfo_Geometry_relate, 0)
# ifdef HAVE_GEOS_RELATE_BOUNDARY_NODE_RULE
PHP_ME(Geometry, relateBoundaryNodeRule, arginfo_Geometry_relateBoundaryNodeRule, 0)
# endif
PHP_ME(Geometry, simplify, arginfo_Geometry_simplify, 0)
PHP_ME(Geometry, normalize, arginfo_Geometry_normalize, 0)
# ifdef HAVE_GEOS_GEOM_SET_PRECISION
PHP_ME(Geometry, setPrecision, arginfo_Geometry_setPrecision, 0)
# endif
# if HAVE_GEOS_GEOM_GET_PRECISION
PHP_ME(Geometry, getPrecision, arginfo_Geometry_getPrecision, 0)
# endif
# ifdef HAVE_GEOS_GEOM_EXTRACT_UNIQUE_POINTS
PHP_ME(Geometry, extractUniquePoints, arginfo_Geometry_extractUniquePoints, 0)
# endif
PHP_ME(Geometry, disjoint, arginfo_Geometry_disjoint, 0)
PHP_ME(Geometry, touches, arginfo_Geometry_touches, 0)
PHP_ME(Geometry, intersects, arginfo_Geometry_intersects, 0)
PHP_ME(Geometry, crosses, arginfo_Geometry_crosses, 0)
PHP_ME(Geometry, within, arginfo_Geometry_within, 0)
PHP_ME(Geometry, contains, arginfo_Geometry_contains, 0)
PHP_ME(Geometry, overlaps, arginfo_Geometry_overlaps, 0)
# ifdef HAVE_GEOS_COVERS
PHP_ME(Geometry, covers, arginfo_Geometry_covers, 0)
# endif
# ifdef HAVE_GEOS_COVERED_BY
PHP_ME(Geometry, coveredBy, arginfo_Geometry_coveredBy, 0)
# endif
PHP_ME(Geometry, equals, arginfo_Geometry_equals, 0)
PHP_ME(Geometry, equalsExact, arginfo_Geometry_equalsExact, 0)
PHP_ME(Geometry, isEmpty, arginfo_Geometry_isEmpty, 0)
# ifdef HAVE_GEOS_IS_VALID_DETAIL
PHP_ME(Geometry, checkValidity, arginfo_Geometry_checkValidity, 0)
# endif
PHP_ME(Geometry, isSimple, arginfo_Geometry_isSimple, 0)
PHP_ME(Geometry, isRing, arginfo_Geometry_isRing, 0)
PHP_ME(Geometry, hasZ, arginfo_Geometry_hasZ, 0)
# ifdef HAVE_GEOS_IS_CLOSED
PHP_ME(Geometry, isClosed, arginfo_Geometry_isClosed, 0)
# endif
PHP_ME(Geometry, typeName, arginfo_Geometry_typeName, 0)
PHP_ME(Geometry, typeId, arginfo_Geometry_typeId, 0)
PHP_ME(Geometry, getSRID, arginfo_Geometry_getSRID, 0)
PHP_ME(Geometry, setSRID, arginfo_Geometry_setSRID, 0)
PHP_ME(Geometry, numGeometries, arginfo_Geometry_numGeometries, 0)
PHP_ME(Geometry, geometryN, arginfo_Geometry_geometryN, 0)
PHP_ME(Geometry, numInteriorRings, arginfo_Geometry_numInteriorRings, 0)
# ifdef HAVE_GEOS_GEOM_GET_NUM_POINTS
PHP_ME(Geometry, numPoints, arginfo_Geometry_numPoints, 0)
# endif
# ifdef HAVE_GEOS_GEOM_GET_X
PHP_ME(Geometry, getX, arginfo_Geometry_getX, 0)
# endif
# ifdef HAVE_GEOS_GEOM_GET_Y
PHP_ME(Geometry, getY, arginfo_Geometry_getY, 0)
# endif
PHP_ME(Geometry, interiorRingN, arginfo_Geometry_interiorRingN, 0)
PHP_ME(Geometry, exteriorRing, arginfo_Geometry_exteriorRing, 0)
PHP_ME(Geometry, numCoordinates, arginfo_Geometry_numCoordinates, 0)
PHP_ME(Geometry, dimension, arginfo_Geometry_dimension, 0)
# ifdef HAVE_GEOS_GEOM_GET_COORDINATE_DIMENSION
PHP_ME(Geometry, coordinateDimension, arginfo_Geometry_coordinateDimension, 0)
# endif
# ifdef HAVE_GEOS_GEOM_GET_POINT_N
PHP_ME(Geometry, pointN, arginfo_Geometry_pointN, 0)
# endif
# ifdef HAVE_GEOS_GEOM_GET_START_POINT
PHP_ME(Geometry, startPoint, arginfo_Geometry_startPoint, 0)
# endif
# ifdef HAVE_GEOS_GEOM_GET_END_POINT
PHP_ME(Geometry, endPoint, arginfo_Geometry_endPoint, 0)
# endif
PHP_ME(Geometry, area, arginfo_Geometry_area, 0)
PHP_ME(Geometry, length, arginfo_Geometry_length, 0)
PHP_ME(Geometry, distance, arginfo_Geometry_distance, 0)
PHP_ME(Geometry, hausdorffDistance, arginfo_Geometry_hausdorffDistance, 0)
# if HAVE_GEOS_SNAP
PHP_ME(Geometry, snapTo, arginfo_Geometry_snapTo, 0)
# endif
# ifdef HAVE_GEOS_NODE
PHP_ME(Geometry, node, arginfo_Geometry_node, 0)
# endif
# ifdef HAVE_GEOS_DELAUNAY_TRIANGULATION
PHP_ME(Geometry, delaunayTriangulation, arginfo_Geometry_delaunayTriangulation, 0)
# endif
# ifdef HAVE_GEOS_VORONOI_DIAGRAM
PHP_ME(Geometry, voronoiDiagram, arginfo_Geometry_voronoiDiagram, 0)
# endif
# ifdef HAVE_GEOS_CLIP_BY_RECT
PHP_ME(Geometry, clipByRect, arginfo_Geometry_clipByRect, 0)
# endif
{NULL, NULL, NULL}
};
static zend_class_entry *Geometry_ce_ptr;
static zend_object_handlers Geometry_object_handlers;
/* Geometry serializer */
static GEOSWKBWriter* Geometry_serializer = 0;
static GEOSWKBWriter* getGeometrySerializer()
{
TSRMLS_FETCH();
if ( ! Geometry_serializer ) {
Geometry_serializer = GEOSWKBWriter_create_r(GEOS_G(handle));
GEOSWKBWriter_setIncludeSRID_r(GEOS_G(handle), Geometry_serializer, 1);
GEOSWKBWriter_setOutputDimension_r(GEOS_G(handle), Geometry_serializer, 3);
}
return Geometry_serializer;
}
static void delGeometrySerializer()
{
TSRMLS_FETCH();
if ( Geometry_serializer ) {
GEOSWKBWriter_destroy_r(GEOS_G(handle), Geometry_serializer);
}
}
/* Geometry deserializer */
static GEOSWKBReader* Geometry_deserializer = 0;
static GEOSWKBReader* getGeometryDeserializer()
{
TSRMLS_FETCH();
if ( ! Geometry_deserializer ) {
Geometry_deserializer = GEOSWKBReader_create_r(GEOS_G(handle));
}
return Geometry_deserializer;
}
static void delGeometryDeserializer()
{
TSRMLS_FETCH();
if ( Geometry_deserializer ) {
GEOSWKBReader_destroy_r(GEOS_G(handle), Geometry_deserializer);
}
}
/* Serializer function for GEOSGeometry */
static int
Geometry_serialize(zval *object, unsigned char **buffer, zend_uint *buf_len,
zend_serialize_data *data TSRMLS_DC)
{
GEOSWKBWriter *serializer;
GEOSGeometry *geom;
char* ret;
size_t retsize;
serializer = getGeometrySerializer();
geom = (GEOSGeometry*)getRelay(object, Geometry_ce_ptr);
/* NOTE: we might be fine using binary here */
ret = (char*)GEOSWKBWriter_writeHEX_r(GEOS_G(handle), serializer, geom, &retsize);
/* we'll probably get an exception if ret is null */
if ( ! ret ) return FAILURE;
*buffer = (unsigned char*)estrndup(ret, retsize);
GEOSFree_r(GEOS_G(handle), ret);
*buf_len = retsize;
return SUCCESS;
}
static int
Geometry_deserialize(GEOS_PHP_ZVAL object, zend_class_entry *ce, const unsigned char *buf,
zend_uint buf_len, zend_unserialize_data *data TSRMLS_DC)
{
GEOSWKBReader* deserializer;
GEOSGeometry* geom;
deserializer = getGeometryDeserializer();
geom = GEOSWKBReader_readHEX_r(GEOS_G(handle), deserializer, buf, buf_len);
/* check zend_class_entry being what we expect! */
if ( ce != Geometry_ce_ptr ) {
php_error_docref(NULL TSRMLS_CC, E_ERROR,
"Geometry_deserialize called with unexpected zend_class_entry");
return FAILURE;
}
#if PHP_VERSION_ID >= 70000
object_init_ex(object, ce);
setRelay(object, geom);
#else
object_init_ex(*object, ce);
setRelay(*object, geom);
#endif
return SUCCESS;
}
/*
* Push components of the given geometry
* to the given array zval.
* Components geometries are cloned.
* NOTE: collection components are not descended into
*/
static void
dumpGeometry(GEOSGeometry* g, zval* array)
{
TSRMLS_FETCH();
int ngeoms, i;
ngeoms = GEOSGetNumGeometries_r(GEOS_G(handle), g);
for (i=0; i<ngeoms; ++i)
{
zval *tmp;
GEOSGeometry* cc;
const GEOSGeometry* c = GEOSGetGeometryN_r(GEOS_G(handle), g, i);
if ( ! c ) continue; /* should get an exception */
/* we _need_ to clone as this one is owned by 'g' */
cc = GEOSGeom_clone_r(GEOS_G(handle), c);
if ( ! cc ) continue; /* should get an exception */
MAKE_STD_ZVAL(tmp);
object_init_ex(tmp, Geometry_ce_ptr);
setRelay(tmp, cc);
add_next_index_zval(array, tmp);
#if PHP_VERSION_ID >= 70000
efree(tmp);
#endif
}
}
static void
Geometry_dtor (GEOS_PHP_DTOR_OBJECT *object TSRMLS_DC)
{
#if PHP_VERSION_ID < 70000
Proxy *obj = (Proxy *)object;
#else
Proxy *obj = php_geos_fetch_object(object);
#endif
GEOSGeom_destroy_r(GEOS_G(handle), (GEOSGeometry*)obj->relay);
#if PHP_VERSION_ID >= 70000
//zend_object_std_dtor(&obj->std);
#else
zend_hash_destroy(obj->std.properties);
FREE_HASHTABLE(obj->std.properties);
efree(obj);
#endif
}
static zend_object_value
Geometry_create_obj (zend_class_entry *type TSRMLS_DC)
{
return Gen_create_obj(type, Geometry_dtor, &Geometry_object_handlers);
}
PHP_METHOD(Geometry, __construct)
{
php_error_docref(NULL TSRMLS_CC, E_ERROR,
"GEOSGeometry can't be constructed using new, check WKTReader");
}
PHP_METHOD(Geometry, __toString)
{
GEOSGeometry *geom;
GEOSWKTWriter *writer;
char *wkt;
char *ret;
geom = (GEOSGeometry*)getRelay(getThis(), Geometry_ce_ptr);
writer = GEOSWKTWriter_create_r(GEOS_G(handle));
/* NOTE: if we get an exception before reaching
* GEOSWKTWriter_destory below we'll be leaking memory.
* One fix could be storing the object in a refcounted
* zval.
*/
# ifdef HAVE_GEOS_WKT_WRITER_SET_TRIM
GEOSWKTWriter_setTrim_r(GEOS_G(handle), writer, 1);
# endif
wkt = GEOSWKTWriter_write_r(GEOS_G(handle), writer, geom);
/* we'll probably get an exception if wkt is null */
if ( ! wkt ) RETURN_NULL();
GEOSWKTWriter_destroy_r(GEOS_G(handle), writer);
ret = estrdup(wkt);
GEOSFree_r(GEOS_G(handle), wkt);
GEOS_PHP_RETURN_STRING(ret);
}
PHP_METHOD(Geometry, project)
{
GEOSGeometry *this;
GEOSGeometry *other;
zval *zobj;
zend_bool normalized = 0;
double ret;
this = (GEOSGeometry*)getRelay(getThis(), Geometry_ce_ptr);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "o|b", &zobj,
&normalized) == FAILURE) {
RETURN_NULL();
}
other = getRelay(zobj, Geometry_ce_ptr);
if ( normalized ) {
ret = GEOSProjectNormalized_r(GEOS_G(handle), this, other);
} else {
ret = GEOSProject_r(GEOS_G(handle), this, other);
}
if ( ret < 0 ) RETURN_NULL(); /* should get an exception first */
RETURN_DOUBLE(ret);
}
PHP_METHOD(Geometry, interpolate)
{
GEOSGeometry *this;
double dist;
GEOSGeometry *ret;
zend_bool normalized = 0;
this = (GEOSGeometry*)getRelay(getThis(), Geometry_ce_ptr);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "d|b",
&dist, &normalized) == FAILURE) {
RETURN_NULL();
}
if ( normalized ) {
ret = GEOSInterpolateNormalized_r(GEOS_G(handle), this, dist);
} else {
ret = GEOSInterpolate_r(GEOS_G(handle), this, dist);
}
if ( ! ret ) RETURN_NULL(); /* should get an exception first */
/* return_value is a zval */
object_init_ex(return_value, Geometry_ce_ptr);
setRelay(return_value, ret);
}
/**
* GEOSGeometry::buffer(dist, [<styleArray>])
*
* styleArray keys supported:
* 'quad_segs'
* Type: int
* Number of segments used to approximate
* a quarter circle (defaults to 8).
* 'endcap'
* Type: long
* Endcap style (defaults to GEOSBUF_CAP_ROUND)
* 'join'
* Type: long
* Join style (defaults to GEOSBUF_JOIN_ROUND)
* 'mitre_limit'
* Type: double
* mitre ratio limit (only affects joins with GEOSBUF_JOIN_MITRE style)
* 'miter_limit' is also accepted as a synonym for 'mitre_limit'.
* 'single_sided'
* Type: bool
* If true buffer lines only on one side, so that the input line
* will be a portion of the boundary of the returned polygon.
* Only applies to lineal input. Defaults to false.
*/
PHP_METHOD(Geometry, buffer)
{
GEOSGeometry *this;
double dist;
GEOSGeometry *ret;
GEOSBufferParams *params;
static const double default_mitreLimit = 5.0;
static const int default_endCapStyle = GEOSBUF_CAP_ROUND;
static const int default_joinStyle = GEOSBUF_JOIN_ROUND;
static const int default_quadSegs = 8;
long int quadSegs = default_quadSegs;
long int endCapStyle = default_endCapStyle;
long int joinStyle = default_joinStyle;
double mitreLimit = default_mitreLimit;
long singleSided = 0;
zval *style_val = NULL;
GEOS_PHP_ZVAL data;
HashTable *style;
zend_string *key;
zend_ulong index;
this = (GEOSGeometry*)getRelay(getThis(), Geometry_ce_ptr);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "d|a",
&dist, &style_val) == FAILURE) {
RETURN_NULL();
}
params = GEOSBufferParams_create_r(GEOS_G(handle));
if ( style_val )
{
style = HASH_OF(style_val);
while(GEOS_PHP_HASH_GET_CUR_KEY(style, &key, &index)
== HASH_KEY_IS_STRING)
{
if(!strcmp(ZSTR_VAL(key), "quad_segs"))
{
GEOS_PHP_HASH_GET_CUR_DATA(style, data);
quadSegs = getZvalAsLong(data);
GEOSBufferParams_setQuadrantSegments_r(GEOS_G(handle), params, quadSegs);
}
else if(!strcmp(ZSTR_VAL(key), "endcap"))
{
GEOS_PHP_HASH_GET_CUR_DATA(style, data);
endCapStyle = getZvalAsLong(data);
GEOSBufferParams_setEndCapStyle_r(GEOS_G(handle), params, endCapStyle);
}
else if(!strcmp(ZSTR_VAL(key), "join"))
{
GEOS_PHP_HASH_GET_CUR_DATA(style, data);
joinStyle = getZvalAsLong(data);
GEOSBufferParams_setJoinStyle_r(GEOS_G(handle), params, joinStyle);
}
else if(!strcmp(ZSTR_VAL(key), "mitre_limit"))
{
GEOS_PHP_HASH_GET_CUR_DATA(style, data);
mitreLimit = getZvalAsDouble(data);
GEOSBufferParams_setMitreLimit_r(GEOS_G(handle), params, mitreLimit);
}
else if(!strcmp(ZSTR_VAL(key), "single_sided"))
{
GEOS_PHP_HASH_GET_CUR_DATA(style, data);
singleSided = getZvalAsLong(data);
GEOSBufferParams_setSingleSided_r(GEOS_G(handle), params, singleSided);
}
zend_hash_move_forward(style);
}
}
ret = GEOSBufferWithParams_r(GEOS_G(handle), this, params, dist);
GEOSBufferParams_destroy_r(GEOS_G(handle), params);
if ( ! ret ) RETURN_NULL(); /* should get an exception first */
/* return_value is a zval */
object_init_ex(return_value, Geometry_ce_ptr);
setRelay(return_value, ret);
}
/**
* GEOSGeometry::offsetCurve(dist, [<styleArray>])
*
* styleArray keys supported:
* 'quad_segs'
* Type: int
* Number of segments used to approximate
* a quarter circle (defaults to 8).
* 'join'
* Type: long
* Join style (defaults to GEOSBUF_JOIN_ROUND)
* 'mitre_limit'
* Type: double
* mitre ratio limit (only affects joins with GEOSBUF_JOIN_MITRE style)
* 'miter_limit' is also accepted as a synonym for 'mitre_limit'.
*/
#ifdef HAVE_GEOS_OFFSET_CURVE
PHP_METHOD(Geometry, offsetCurve)
{
GEOSGeometry *this;
double dist;
GEOSGeometry *ret;
static const double default_mitreLimit = 5.0;
static const int default_joinStyle = GEOSBUF_JOIN_ROUND;
static const int default_quadSegs = 8;
long int quadSegs = default_quadSegs;
long int joinStyle = default_joinStyle;
double mitreLimit = default_mitreLimit;
zval *style_val = NULL;
GEOS_PHP_ZVAL data;
HashTable *style;
zend_string *key;
zend_ulong index;
this = (GEOSGeometry*)getRelay(getThis(), Geometry_ce_ptr);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "d|a",
&dist, &style_val) == FAILURE) {
RETURN_NULL();
}
if ( style_val )
{
style = HASH_OF(style_val);
while(GEOS_PHP_HASH_GET_CUR_KEY(style, &key, &index)
== HASH_KEY_IS_STRING)
{
if(!strcmp(ZSTR_VAL(key), "quad_segs"))
{
GEOS_PHP_HASH_GET_CUR_DATA(style, data);
quadSegs = getZvalAsLong(data);
}
else if(!strcmp(ZSTR_VAL(key), "join"))
{
GEOS_PHP_HASH_GET_CUR_DATA(style, data);
joinStyle = getZvalAsLong(data);
}
else if(!strcmp(ZSTR_VAL(key), "mitre_limit"))
{