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mapgml.c
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/******************************************************************************
* $Id$
*
* Project: MapServer
* Purpose: shapeObj to GML output via MapServer queries.
* Author: Steve Lime and the MapServer team.
*
******************************************************************************
* Copyright (c) 1996-2005 Regents of the University of Minnesota.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of this Software or works derived from this Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#include "mapserver.h"
#include "maperror.h"
#include "mapows.h"
#include "mapgml.h"
#include "maptime.h"
/* Use only mapgml.c if WMS or WFS is available (with minor exceptions at end)*/
#if defined(USE_WMS_SVR) || defined (USE_WFS_SVR)
static int msGMLGeometryLookup(gmlGeometryListObj *geometryList, const char *type);
/*
** Functions that write the feature boundary geometry (i.e. a rectObj).
*/
/* GML 2.1.2 */
static int gmlWriteBounds_GML2(FILE *stream, rectObj *rect,
const char *srsname, const char *tab,
const char *pszTopPrefix)
{
char *srsname_encoded;
if(!stream) return(MS_FAILURE);
if(!rect) return(MS_FAILURE);
if(!tab) return(MS_FAILURE);
msIO_fprintf(stream, "%s<%s:boundedBy>\n", tab, pszTopPrefix);
if(srsname) {
srsname_encoded = msEncodeHTMLEntities(srsname);
msIO_fprintf(stream, "%s\t<gml:Box srsName=\"%s\">\n", tab, srsname_encoded);
msFree(srsname_encoded);
} else
msIO_fprintf(stream, "%s\t<gml:Box>\n", tab);
msIO_fprintf(stream, "%s\t\t<gml:coordinates>", tab);
msIO_fprintf(stream, "%.6f,%.6f %.6f,%.6f", rect->minx, rect->miny, rect->maxx, rect->maxy );
msIO_fprintf(stream, "</gml:coordinates>\n");
msIO_fprintf(stream, "%s\t</gml:Box>\n", tab);
msIO_fprintf(stream, "%s</%s:boundedBy>\n", tab, pszTopPrefix);
return MS_SUCCESS;
}
/* GML 3.1 or GML 3.2 (MapServer limits GML encoding to the level 0 profile) */
static int gmlWriteBounds_GML3(FILE *stream, rectObj *rect,
const char *srsname, const char *tab,
const char *pszTopPrefix)
{
char *srsname_encoded;
if(!stream) return(MS_FAILURE);
if(!rect) return(MS_FAILURE);
if(!tab) return(MS_FAILURE);
msIO_fprintf(stream, "%s<%s:boundedBy>\n", tab, pszTopPrefix);
if(srsname) {
srsname_encoded = msEncodeHTMLEntities(srsname);
msIO_fprintf(stream, "%s\t<gml:Envelope srsName=\"%s\">\n", tab, srsname_encoded);
msFree(srsname_encoded);
} else
msIO_fprintf(stream, "%s\t<gml:Envelope>\n", tab);
msIO_fprintf(stream, "%s\t\t<gml:lowerCorner>%.6f %.6f</gml:lowerCorner>\n", tab, rect->minx, rect->miny);
msIO_fprintf(stream, "%s\t\t<gml:upperCorner>%.6f %.6f</gml:upperCorner>\n", tab, rect->maxx, rect->maxy);
msIO_fprintf(stream, "%s\t</gml:Envelope>\n", tab);
msIO_fprintf(stream, "%s</%s:boundedBy>\n", tab, pszTopPrefix);
return MS_SUCCESS;
}
static void gmlStartGeometryContainer(FILE *stream, const char *name,
const char *namespace, const char *tab)
{
const char *tag_name=OWS_GML_DEFAULT_GEOMETRY_NAME;
if(name) tag_name = name;
if(namespace)
msIO_fprintf(stream, "%s<%s:%s>\n", tab, namespace, tag_name);
else
msIO_fprintf(stream, "%s<%s>\n", tab, tag_name);
}
static void gmlEndGeometryContainer(FILE *stream, const char *name,
const char *namespace, const char *tab)
{
const char *tag_name=OWS_GML_DEFAULT_GEOMETRY_NAME;
if(name) tag_name = name;
if(namespace)
msIO_fprintf(stream, "%s</%s:%s>\n", tab, namespace, tag_name);
else
msIO_fprintf(stream, "%s</%s>\n", tab, tag_name);
}
/* GML 2.1.2 */
static int gmlWriteGeometry_GML2(FILE *stream, gmlGeometryListObj *geometryList,
shapeObj *shape, const char *srsname,
const char *namespace, const char *tab,
int nSRSDimension, int geometry_precision)
{
int i, j, k;
int *innerlist, *outerlist=NULL, numouters;
char *srsname_encoded = NULL;
int geometry_aggregate_index, geometry_simple_index;
char *geometry_aggregate_name = NULL, *geometry_simple_name = NULL;
if(!stream) return(MS_FAILURE);
if(!shape) return(MS_FAILURE);
if(!tab) return(MS_FAILURE);
if(!geometryList) return(MS_FAILURE);
if(shape->numlines <= 0) return(MS_SUCCESS); /* empty shape, nothing to output */
if(srsname)
srsname_encoded = msEncodeHTMLEntities(srsname);
/* feature geometry */
switch(shape->type) {
case(MS_SHAPE_POINT):
geometry_simple_index = msGMLGeometryLookup(geometryList, "point");
geometry_aggregate_index = msGMLGeometryLookup(geometryList, "multipoint");
if(geometry_simple_index >= 0) geometry_simple_name = geometryList->geometries[geometry_simple_index].name;
if(geometry_aggregate_index >= 0) geometry_aggregate_name = geometryList->geometries[geometry_aggregate_index].name;
if((geometry_simple_index != -1 && shape->line[0].numpoints == 1 && shape->numlines == 1) ||
(geometry_simple_index != -1 && geometry_aggregate_index == -1) ||
(geometryList->numgeometries == 0 && shape->line[0].numpoints == 1 && shape->numlines == 1)) { /* write a Point(s) */
for(i=0; i<shape->numlines; i++) {
for(j=0; j<shape->line[i].numpoints; j++) {
gmlStartGeometryContainer(stream, geometry_simple_name, namespace, tab);
/* Point */
if(srsname_encoded)
msIO_fprintf(stream, "%s<gml:Point srsName=\"%s\">\n", tab, srsname_encoded);
else
msIO_fprintf(stream, "%s<gml:Point>\n", tab);
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%s <gml:coordinates>%.*f,%.*f,%.*f</gml:coordinates>\n",
tab, geometry_precision,shape->line[i].point[j].x, geometry_precision,shape->line[i].point[j].y, geometry_precision,shape->line[i].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%s <gml:coordinates>%.*f,%.*f</gml:coordinates>\n", tab, geometry_precision,shape->line[i].point[j].x, geometry_precision,shape->line[i].point[j].y);
msIO_fprintf(stream, "%s</gml:Point>\n", tab);
gmlEndGeometryContainer(stream, geometry_simple_name, namespace, tab);
}
}
} else if((geometry_aggregate_index != -1) || (geometryList->numgeometries == 0)) { /* write a MultiPoint */
gmlStartGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
/* MultiPoint */
if(srsname_encoded)
msIO_fprintf(stream, "%s<gml:MultiPoint srsName=\"%s\">\n", tab, srsname_encoded);
else
msIO_fprintf(stream, "%s<gml:MultiPoint>\n", tab);
for(i=0; i<shape->numlines; i++) {
for(j=0; j<shape->line[i].numpoints; j++) {
msIO_fprintf(stream, "%s <gml:pointMember>\n", tab);
msIO_fprintf(stream, "%s <gml:Point>\n", tab);
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%s <gml:coordinates>%.*f,%.*f,%.*f</gml:coordinates>\n",
tab, geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y,
geometry_precision, shape->line[i].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%s <gml:coordinates>%f,%f</gml:coordinates>\n", tab, shape->line[i].point[j].x, shape->line[i].point[j].y);
msIO_fprintf(stream, "%s </gml:Point>\n", tab);
msIO_fprintf(stream, "%s </gml:pointMember>\n", tab);
}
}
msIO_fprintf(stream, "%s</gml:MultiPoint>\n", tab);
gmlEndGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
} else {
msIO_fprintf(stream, "<!-- Warning: Cannot write geometry- no point/multipoint geometry defined. -->\n");
}
break;
case(MS_SHAPE_LINE):
geometry_simple_index = msGMLGeometryLookup(geometryList, "line");
geometry_aggregate_index = msGMLGeometryLookup(geometryList, "multiline");
if(geometry_simple_index >= 0) geometry_simple_name = geometryList->geometries[geometry_simple_index].name;
if(geometry_aggregate_index >= 0) geometry_aggregate_name = geometryList->geometries[geometry_aggregate_index].name;
if((geometry_simple_index != -1 && shape->numlines == 1) ||
(geometry_simple_index != -1 && geometry_aggregate_index == -1) ||
(geometryList->numgeometries == 0 && shape->numlines == 1)) { /* write a LineStrings(s) */
for(i=0; i<shape->numlines; i++) {
gmlStartGeometryContainer(stream, geometry_simple_name, namespace, tab);
/* LineString */
if(srsname_encoded)
msIO_fprintf(stream, "%s<gml:LineString srsName=\"%s\">\n", tab, srsname_encoded);
else
msIO_fprintf(stream, "%s<gml:LineString>\n", tab);
msIO_fprintf(stream, "%s <gml:coordinates>", tab);
for(j=0; j<shape->line[i].numpoints; j++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f,%.*f,%.*f ", geometry_precision,shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y,
geometry_precision, shape->line[i].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f,%.*f ", geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y);
}
msIO_fprintf(stream, "</gml:coordinates>\n");
msIO_fprintf(stream, "%s</gml:LineString>\n", tab);
gmlEndGeometryContainer(stream, geometry_simple_name, namespace, tab);
}
} else if(geometry_aggregate_index != -1 || (geometryList->numgeometries == 0)) { /* write a MultiCurve */
gmlStartGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
/* MultiLineString */
if(srsname_encoded)
msIO_fprintf(stream, "%s<gml:MultiLineString srsName=\"%s\">\n", tab, srsname_encoded);
else
msIO_fprintf(stream, "%s<gml:MultiLineString>\n", tab);
for(j=0; j<shape->numlines; j++) {
msIO_fprintf(stream, "%s <gml:lineStringMember>\n", tab); /* no srsname at this point */
msIO_fprintf(stream, "%s <gml:LineString>\n", tab); /* no srsname at this point */
msIO_fprintf(stream, "%s <gml:coordinates>", tab);
for(i=0; i<shape->line[j].numpoints; i++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f,%.*f,%.*f ", geometry_precision, shape->line[j].point[i].x, geometry_precision, shape->line[j].point[i].y,
geometry_precision, shape->line[j].point[i].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f,%.*f ", geometry_precision, shape->line[j].point[i].x, geometry_precision, shape->line[j].point[i].y);
}
msIO_fprintf(stream, "</gml:coordinates>\n");
msIO_fprintf(stream, "%s </gml:LineString>\n", tab);
msIO_fprintf(stream, "%s </gml:lineStringMember>\n", tab);
}
msIO_fprintf(stream, "%s</gml:MultiLineString>\n", tab);
gmlEndGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
} else {
msIO_fprintf(stream, "<!-- Warning: Cannot write geometry- no line/multiline geometry defined. -->\n");
}
break;
case(MS_SHAPE_POLYGON): /* this gets nasty, since our shapes are so flexible */
geometry_simple_index = msGMLGeometryLookup(geometryList, "polygon");
geometry_aggregate_index = msGMLGeometryLookup(geometryList, "multipolygon");
if(geometry_simple_index >= 0) geometry_simple_name = geometryList->geometries[geometry_simple_index].name;
if(geometry_aggregate_index >= 0) geometry_aggregate_name = geometryList->geometries[geometry_aggregate_index].name;
/* get a list of outter rings for this polygon */
outerlist = msGetOuterList(shape);
numouters = 0;
for(i=0; i<shape->numlines; i++)
if(outerlist[i] == MS_TRUE) numouters++;
if((geometry_simple_index != -1 && numouters == 1) ||
(geometry_simple_index != -1 && geometry_aggregate_index == -1) ||
(geometryList->numgeometries == 0 && shape->numlines == 1)) { /* write a Polygon(s) */
for(i=0; i<shape->numlines; i++) {
if(outerlist[i] == MS_FALSE) break; /* skip non-outer rings, each outer ring is a new polygon */
/* get a list of inner rings for this polygon */
innerlist = msGetInnerList(shape, i, outerlist);
gmlStartGeometryContainer(stream, geometry_simple_name, namespace, tab);
/* Polygon */
if(srsname_encoded)
msIO_fprintf(stream, "%s<gml:Polygon srsName=\"%s\">\n", tab, srsname_encoded);
else
msIO_fprintf(stream, "%s<gml:Polygon>\n", tab);
msIO_fprintf(stream, "%s <gml:outerBoundaryIs>\n", tab);
msIO_fprintf(stream, "%s <gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s <gml:coordinates>", tab);
for(j=0; j<shape->line[i].numpoints; j++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f,%.*f,%.*f ", geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y,
geometry_precision, shape->line[i].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f,%.*f ", geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y);
}
msIO_fprintf(stream, "</gml:coordinates>\n");
msIO_fprintf(stream, "%s </gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s </gml:outerBoundaryIs>\n", tab);
for(k=0; k<shape->numlines; k++) { /* now step through all the inner rings */
if(innerlist[k] == MS_TRUE) {
msIO_fprintf(stream, "%s <gml:innerBoundaryIs>\n", tab);
msIO_fprintf(stream, "%s <gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s <gml:coordinates>", tab);
for(j=0; j<shape->line[k].numpoints; j++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f,%.*f,%.*f ", geometry_precision,shape->line[k].point[j].x, geometry_precision,shape->line[k].point[j].y,
geometry_precision,shape->line[k].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f,%.*f ",geometry_precision, shape->line[k].point[j].x, geometry_precision,shape->line[k].point[j].y);
}
msIO_fprintf(stream, "</gml:coordinates>\n");
msIO_fprintf(stream, "%s </gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s </gml:innerBoundaryIs>\n", tab);
}
}
msIO_fprintf(stream, "%s</gml:Polygon>\n", tab);
free(innerlist);
gmlEndGeometryContainer(stream, geometry_simple_name, namespace, tab);
}
free(outerlist);
outerlist = NULL;
} else if(geometry_aggregate_index != -1 || (geometryList->numgeometries == 0)) { /* write a MultiPolygon */
gmlStartGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
/* MultiPolygon */
if(srsname_encoded)
msIO_fprintf(stream, "%s<gml:MultiPolygon srsName=\"%s\">\n", tab, srsname_encoded);
else
msIO_fprintf(stream, "%s<gml:MultiPolygon>\n", tab);
for(i=0; i<shape->numlines; i++) { /* step through the outer rings */
if(outerlist[i] == MS_TRUE) {
innerlist = msGetInnerList(shape, i, outerlist);
msIO_fprintf(stream, "%s<gml:polygonMember>\n", tab);
msIO_fprintf(stream, "%s <gml:Polygon>\n", tab);
msIO_fprintf(stream, "%s <gml:outerBoundaryIs>\n", tab);
msIO_fprintf(stream, "%s <gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s <gml:coordinates>", tab);
for(j=0; j<shape->line[i].numpoints; j++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f,%.*f,%.*f ", geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y,
geometry_precision, shape->line[i].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f,%.*f ", geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y);
}
msIO_fprintf(stream, "</gml:coordinates>\n");
msIO_fprintf(stream, "%s </gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s </gml:outerBoundaryIs>\n", tab);
for(k=0; k<shape->numlines; k++) { /* now step through all the inner rings */
if(innerlist[k] == MS_TRUE) {
msIO_fprintf(stream, "%s <gml:innerBoundaryIs>\n", tab);
msIO_fprintf(stream, "%s <gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s <gml:coordinates>", tab);
for(j=0; j<shape->line[k].numpoints; j++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f,%.*f,%.*f ", geometry_precision,shape->line[k].point[j].x, geometry_precision,shape->line[k].point[j].y,
geometry_precision,shape->line[k].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f,%.*f ", geometry_precision,shape->line[k].point[j].x, geometry_precision,shape->line[k].point[j].y);
}
msIO_fprintf(stream, "</gml:coordinates>\n");
msIO_fprintf(stream, "%s </gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s </gml:innerBoundaryIs>\n", tab);
}
}
msIO_fprintf(stream, "%s </gml:Polygon>\n", tab);
msIO_fprintf(stream, "%s</gml:polygonMember>\n", tab);
free(innerlist);
}
}
msIO_fprintf(stream, "%s</gml:MultiPolygon>\n", tab);
free(outerlist);
outerlist = NULL;
gmlEndGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
} else {
msIO_fprintf(stream, "<!-- Warning: Cannot write geometry- no polygon/multipolygon geometry defined. -->\n");
}
break;
default:
break;
}
/* clean-up */
msFree(srsname_encoded);
msFree(outerlist);
return(MS_SUCCESS);
}
static char* gmlCreateGeomId(OWSGMLVersion nGMLVersion, const char* pszFID, int* p_id)
{
char* pszGMLId;
if( nGMLVersion == OWS_GML32 )
{
pszGMLId = (char*) msSmallMalloc( strlen(pszFID) + 1 + strlen(" gml:id=\"\"") + 10 );
sprintf(pszGMLId, " gml:id=\"%s.%d\"", pszFID, *p_id);
(*p_id) ++;
}
else
pszGMLId = msStrdup("");
return pszGMLId;
}
/* GML 3.1 or GML 3.2 (MapServer limits GML encoding to the level 0 profile) */
static int gmlWriteGeometry_GML3(FILE *stream, gmlGeometryListObj *geometryList, shapeObj *shape,
const char *srsname, const char *namespace, const char *tab,
const char *pszFID, OWSGMLVersion nGMLVersion,
int nSRSDimension, int geometry_precision)
{
int i, j, k, id = 1;
int *innerlist, *outerlist=NULL, numouters;
char *srsname_encoded = NULL;
char* pszGMLId;
int geometry_aggregate_index, geometry_simple_index;
char *geometry_aggregate_name = NULL, *geometry_simple_name = NULL;
if(!stream) return(MS_FAILURE);
if(!shape) return(MS_FAILURE);
if(!tab) return(MS_FAILURE);
if(!geometryList) return(MS_FAILURE);
if(shape->numlines <= 0) return(MS_SUCCESS); /* empty shape, nothing to output */
if(srsname)
srsname_encoded = msEncodeHTMLEntities(srsname);
/* feature geometry */
switch(shape->type) {
case(MS_SHAPE_POINT):
geometry_simple_index = msGMLGeometryLookup(geometryList, "point");
geometry_aggregate_index = msGMLGeometryLookup(geometryList, "multipoint");
if(geometry_simple_index >= 0) geometry_simple_name = geometryList->geometries[geometry_simple_index].name;
if(geometry_aggregate_index >= 0) geometry_aggregate_name = geometryList->geometries[geometry_aggregate_index].name;
if((geometry_simple_index != -1 && shape->line[0].numpoints == 1 && shape->numlines == 1) ||
(geometry_simple_index != -1 && geometry_aggregate_index == -1) ||
(geometryList->numgeometries == 0 && shape->line[0].numpoints == 1 && shape->numlines == 1)) { /* write a Point(s) */
for(i=0; i<shape->numlines; i++) {
for(j=0; j<shape->line[i].numpoints; j++) {
gmlStartGeometryContainer(stream, geometry_simple_name, namespace, tab);
/* Point */
pszGMLId = gmlCreateGeomId(nGMLVersion, pszFID, &id);
if(srsname_encoded)
msIO_fprintf(stream, "%s <gml:Point%s srsName=\"%s\">\n", tab, pszGMLId, srsname_encoded);
else
msIO_fprintf(stream, "%s <gml:Point%s>\n", tab, pszGMLId);
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%s <gml:pos srsDimension=\"3\">%.*f %.*f %.*f</gml:pos>\n", tab, geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y, geometry_precision, shape->line[i].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%s <gml:pos>%.*f %.*f</gml:pos>\n", tab, geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y);
msIO_fprintf(stream, "%s </gml:Point>\n", tab);
gmlEndGeometryContainer(stream, geometry_simple_name, namespace, tab);
msFree(pszGMLId);
}
}
} else if((geometry_aggregate_index != -1) || (geometryList->numgeometries == 0)) { /* write a MultiPoint */
pszGMLId = gmlCreateGeomId(nGMLVersion, pszFID, &id);
gmlStartGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
/* MultiPoint */
if(srsname_encoded)
msIO_fprintf(stream, "%s <gml:MultiPoint%s srsName=\"%s\">\n", tab, pszGMLId, srsname_encoded);
else
msIO_fprintf(stream, "%s <gml:MultiPoint%s>\n", tab, pszGMLId);
msFree(pszGMLId);
for(i=0; i<shape->numlines; i++) {
for(j=0; j<shape->line[i].numpoints; j++) {
msIO_fprintf(stream, "%s <gml:pointMember>\n", tab);
pszGMLId = gmlCreateGeomId(nGMLVersion, pszFID, &id);
msIO_fprintf(stream, "%s <gml:Point%s>\n", tab, pszGMLId);
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%s <gml:pos srsDimension=\"3\">%.*f %.*f %.*f</gml:pos>\n", tab, geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y, geometry_precision, shape->line[i].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%s <gml:pos>%.*f %.*f</gml:pos>\n", tab, geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y);
msIO_fprintf(stream, "%s </gml:Point>\n", tab);
msFree(pszGMLId);
msIO_fprintf(stream, "%s </gml:pointMember>\n", tab);
}
}
msIO_fprintf(stream, "%s </gml:MultiPoint>\n", tab);
gmlEndGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
} else {
msIO_fprintf(stream, "<!-- Warning: Cannot write geometry- no point/multipoint geometry defined. -->\n");
}
break;
case(MS_SHAPE_LINE):
geometry_simple_index = msGMLGeometryLookup(geometryList, "line");
geometry_aggregate_index = msGMLGeometryLookup(geometryList, "multiline");
if(geometry_simple_index >= 0) geometry_simple_name = geometryList->geometries[geometry_simple_index].name;
if(geometry_aggregate_index >= 0) geometry_aggregate_name = geometryList->geometries[geometry_aggregate_index].name;
if((geometry_simple_index != -1 && shape->numlines == 1) ||
(geometry_simple_index != -1 && geometry_aggregate_index == -1) ||
(geometryList->numgeometries == 0 && shape->numlines == 1)) { /* write a LineStrings(s) */
for(i=0; i<shape->numlines; i++) {
gmlStartGeometryContainer(stream, geometry_simple_name, namespace, tab);
/* LineString (should be Curve?) */
pszGMLId = gmlCreateGeomId(nGMLVersion, pszFID, &id);
if(srsname_encoded)
msIO_fprintf(stream, "%s <gml:LineString%s srsName=\"%s\">\n", tab, pszGMLId, srsname_encoded);
else
msIO_fprintf(stream, "%s <gml:LineString%s>\n", tab, pszGMLId);
msFree(pszGMLId);
msIO_fprintf(stream, "%s <gml:posList srsDimension=\"%d\">", tab, nSRSDimension);
for(j=0; j<shape->line[i].numpoints; j++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f %.*f %.*f ", geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y, geometry_precision, shape->line[i].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f %.*f ", geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y);
}
msIO_fprintf(stream, "</gml:posList>\n");
msIO_fprintf(stream, "%s </gml:LineString>\n", tab);
gmlEndGeometryContainer(stream, geometry_simple_name, namespace, tab);
}
} else if(geometry_aggregate_index != -1 || (geometryList->numgeometries == 0)) { /* write a MultiCurve */
gmlStartGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
/* MultiCurve */
pszGMLId = gmlCreateGeomId(nGMLVersion, pszFID, &id);
if(srsname_encoded)
msIO_fprintf(stream, "%s <gml:MultiCurve%s srsName=\"%s\">\n", tab, pszGMLId, srsname_encoded);
else
msIO_fprintf(stream, "%s <gml:MultiCurve%s>\n", tab, pszGMLId);
msFree(pszGMLId);
for(i=0; i<shape->numlines; i++) {
msIO_fprintf(stream, "%s <gml:curveMember>\n", tab);
pszGMLId = gmlCreateGeomId(nGMLVersion, pszFID, &id);
msIO_fprintf(stream, "%s <gml:LineString%s>\n", tab, pszGMLId); /* no srsname at this point */
msFree(pszGMLId);
msIO_fprintf(stream, "%s <gml:posList srsDimension=\"%d\">", tab, nSRSDimension);
for(j=0; j<shape->line[i].numpoints; j++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f %.*f %.*f ", geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y, geometry_precision, shape->line[i].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f %.*f ", geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y);
}
msIO_fprintf(stream, "</gml:posList>\n");
msIO_fprintf(stream, "%s </gml:LineString>\n", tab);
msIO_fprintf(stream, "%s </gml:curveMember>\n", tab);
}
msIO_fprintf(stream, "%s </gml:MultiCurve>\n", tab);
gmlEndGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
} else {
msIO_fprintf(stream, "<!-- Warning: Cannot write geometry- no line/multiline geometry defined. -->\n");
}
break;
case(MS_SHAPE_POLYGON): /* this gets nasty, since our shapes are so flexible */
geometry_simple_index = msGMLGeometryLookup(geometryList, "polygon");
geometry_aggregate_index = msGMLGeometryLookup(geometryList, "multipolygon");
if(geometry_simple_index >= 0) geometry_simple_name = geometryList->geometries[geometry_simple_index].name;
if(geometry_aggregate_index >= 0) geometry_aggregate_name = geometryList->geometries[geometry_aggregate_index].name;
/* get a list of outter rings for this polygon */
outerlist = msGetOuterList(shape);
numouters = 0;
for(i=0; i<shape->numlines; i++)
if(outerlist[i] == MS_TRUE) numouters++;
if((geometry_simple_index != -1 && numouters == 1) ||
(geometry_simple_index != -1 && geometry_aggregate_index == -1) ||
(geometryList->numgeometries == 0 && shape->numlines == 1)) { /* write a Polygon(s) */
for(i=0; i<shape->numlines; i++) {
if(outerlist[i] == MS_FALSE) break; /* skip non-outer rings, each outer ring is a new polygon */
/* get a list of inner rings for this polygon */
innerlist = msGetInnerList(shape, i, outerlist);
gmlStartGeometryContainer(stream, geometry_simple_name, namespace, tab);
pszGMLId = gmlCreateGeomId(nGMLVersion, pszFID, &id);
/* Polygon (should be Surface?) */
if(srsname_encoded)
msIO_fprintf(stream, "%s <gml:Polygon%s srsName=\"%s\">\n", tab, pszGMLId, srsname_encoded);
else
msIO_fprintf(stream, "%s <gml:Polygon%s>\n", tab, pszGMLId);
msFree(pszGMLId);
msIO_fprintf(stream, "%s <gml:exterior>\n", tab);
msIO_fprintf(stream, "%s <gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s <gml:posList srsDimension=\"%d\">", tab, nSRSDimension);
for(j=0; j<shape->line[i].numpoints; j++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f %.*f %.*f ", geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y, geometry_precision, shape->line[i].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f %.*f ", geometry_precision, shape->line[i].point[j].x, geometry_precision, shape->line[i].point[j].y);
}
msIO_fprintf(stream, "</gml:posList>\n");
msIO_fprintf(stream, "%s </gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s </gml:exterior>\n", tab);
for(k=0; k<shape->numlines; k++) { /* now step through all the inner rings */
if(innerlist[k] == MS_TRUE) {
msIO_fprintf(stream, "%s <gml:interior>\n", tab);
msIO_fprintf(stream, "%s <gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s <gml:posList srsDimension=\"%d\">", tab, nSRSDimension);
for(j=0; j<shape->line[k].numpoints; j++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f %.*f %.*f ", geometry_precision,shape->line[k].point[j].x, geometry_precision,shape->line[k].point[j].y, geometry_precision,shape->line[k].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f %.*f ", geometry_precision,shape->line[k].point[j].x, geometry_precision,shape->line[k].point[j].y);
}
msIO_fprintf(stream, "</gml:posList>\n");
msIO_fprintf(stream, "%s </gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s </gml:interior>\n", tab);
}
}
msIO_fprintf(stream, "%s </gml:Polygon>\n", tab);
free(innerlist);
gmlEndGeometryContainer(stream, geometry_simple_name, namespace, tab);
}
free(outerlist);
outerlist = NULL;
} else if(geometry_aggregate_index != -1 || (geometryList->numgeometries == 0)) { /* write a MultiSurface */
gmlStartGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
pszGMLId = gmlCreateGeomId(nGMLVersion, pszFID, &id);
/* MultiSurface */
if(srsname_encoded)
msIO_fprintf(stream, "%s <gml:MultiSurface%s srsName=\"%s\">\n", tab, pszGMLId, srsname_encoded);
else
msIO_fprintf(stream, "%s <gml:MultiSurface%s>\n", tab, pszGMLId);
msFree(pszGMLId);
for(i=0; i<shape->numlines; i++) { /* step through the outer rings */
if(outerlist[i] == MS_TRUE) {
msIO_fprintf(stream, "%s <gml:surfaceMember>\n", tab);
/* get a list of inner rings for this polygon */
innerlist = msGetInnerList(shape, i, outerlist);
pszGMLId = gmlCreateGeomId(nGMLVersion, pszFID, &id);
msIO_fprintf(stream, "%s <gml:Polygon%s>\n", tab, pszGMLId);
msFree(pszGMLId);
msIO_fprintf(stream, "%s <gml:exterior>\n", tab);
msIO_fprintf(stream, "%s <gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s <gml:posList srsDimension=\"%d\">", tab, nSRSDimension);
for(j=0; j<shape->line[i].numpoints; j++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f %.*f %.*f ", geometry_precision,shape->line[i].point[j].x, geometry_precision,shape->line[i].point[j].y, geometry_precision,shape->line[i].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f %.*f ", geometry_precision,shape->line[i].point[j].x, geometry_precision,shape->line[i].point[j].y);
}
msIO_fprintf(stream, "</gml:posList>\n");
msIO_fprintf(stream, "%s </gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s </gml:exterior>\n", tab);
for(k=0; k<shape->numlines; k++) { /* now step through all the inner rings */
if(innerlist[k] == MS_TRUE) {
msIO_fprintf(stream, "%s <gml:interior>\n", tab);
msIO_fprintf(stream, "%s <gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s <gml:posList srsDimension=\"%d\">", tab, nSRSDimension);
for(j=0; j<shape->line[k].numpoints; j++)
{
if( nSRSDimension == 3 )
msIO_fprintf(stream, "%.*f %.*f %.*f ", geometry_precision, shape->line[k].point[j].x, geometry_precision,shape->line[k].point[j].y, geometry_precision,shape->line[k].point[j].z);
else
/* fall-through */
msIO_fprintf(stream, "%.*f %.*f ", geometry_precision,shape->line[k].point[j].x, geometry_precision,shape->line[k].point[j].y);
}
msIO_fprintf(stream, "</gml:posList>\n");
msIO_fprintf(stream, "%s </gml:LinearRing>\n", tab);
msIO_fprintf(stream, "%s </gml:interior>\n", tab);
}
}
msIO_fprintf(stream, "%s </gml:Polygon>\n", tab);
free(innerlist);
msIO_fprintf(stream, "%s </gml:surfaceMember>\n", tab);
}
}
msIO_fprintf(stream, "%s </gml:MultiSurface>\n", tab);
free(outerlist);
outerlist = NULL;
gmlEndGeometryContainer(stream, geometry_aggregate_name, namespace, tab);
} else {
msIO_fprintf(stream, "<!-- Warning: Cannot write geometry- no polygon/multipolygon geometry defined. -->\n");
}
break;
default:
break;
}
/* clean-up */
msFree(outerlist);
msFree(srsname_encoded);
return(MS_SUCCESS);
}
/*
** Wrappers for the format specific encoding functions.
*/
static int gmlWriteBounds(FILE *stream, OWSGMLVersion format, rectObj *rect,
const char *srsname, const char *tab,
const char *pszTopPrefix)
{
switch(format) {
case(OWS_GML2):
return gmlWriteBounds_GML2(stream, rect, srsname, tab, pszTopPrefix);
break;
case(OWS_GML3):
case(OWS_GML32):
return gmlWriteBounds_GML3(stream, rect, srsname, tab, pszTopPrefix);
break;
default:
msSetError(MS_IOERR, "Unsupported GML format.", "gmlWriteBounds()");
}
return(MS_FAILURE);
}
static int gmlWriteGeometry(FILE *stream, gmlGeometryListObj *geometryList,
OWSGMLVersion format, shapeObj *shape,
const char *srsname, const char *namespace,
const char *tab, const char* pszFID, int nSRSDimension, int geometry_precision)
{
switch(format) {
case(OWS_GML2):
return gmlWriteGeometry_GML2(stream, geometryList, shape, srsname, namespace, tab, nSRSDimension, geometry_precision);
break;
case(OWS_GML3):
case(OWS_GML32):
return gmlWriteGeometry_GML3(stream, geometryList, shape, srsname, namespace, tab, pszFID, format, nSRSDimension, geometry_precision);
break;
default:
msSetError(MS_IOERR, "Unsupported GML format.", "gmlWriteGeometry()");
}
return(MS_FAILURE);
}
/*
** GML specific metadata handling functions.
*/
int msItemInGroups(const char *name, gmlGroupListObj *groupList)
{
int i, j;
gmlGroupObj *group;
if(!groupList) return MS_FALSE; /* no groups */
for(i=0; i<groupList->numgroups; i++) {
group = &(groupList->groups[i]);
for(j=0; j<group->numitems; j++) {
if(strcasecmp(name, group->items[j]) == 0) return MS_TRUE;
}
}
return MS_FALSE;
}
static int msGMLGeometryLookup(gmlGeometryListObj *geometryList, const char *type)
{
int i;
if(!geometryList || !type) return -1; /* nothing to look for */
for(i=0; i<geometryList->numgeometries; i++)
if(geometryList->geometries[i].type && (strcasecmp(geometryList->geometries[i].type, type) == 0))
return i;
if( geometryList->numgeometries == 1 && geometryList->geometries[0].type == NULL )
return 0;
return -1; /* not found */
}
gmlGeometryListObj *msGMLGetGeometries(layerObj *layer, const char *metadata_namespaces, int bWithDefaultGeom)
{
int i;
const char *value=NULL;
char tag[64];
char **names=NULL;
int numnames=0;
gmlGeometryListObj *geometryList=NULL;
gmlGeometryObj *geometry=NULL;
/* allocate memory and initialize the item collection */
geometryList = (gmlGeometryListObj *) malloc(sizeof(gmlGeometryListObj));
MS_CHECK_ALLOC(geometryList, sizeof(gmlGeometryListObj), NULL) ;
geometryList->geometries = NULL;
geometryList->numgeometries = 0;
if((value = msOWSLookupMetadata(&(layer->metadata), metadata_namespaces, "geometries")) != NULL) {
names = msStringSplit(value, ',', &numnames);
/* allocation an array of gmlGeometryObj's */
geometryList->numgeometries = numnames;
geometryList->geometries = (gmlGeometryObj *) malloc(sizeof(gmlGeometryObj)*geometryList->numgeometries);
if (geometryList->geometries == NULL) {
msSetError(MS_MEMERR, "Out of memory allocating %u bytes.\n", "msGMLGetGeometries()",
(unsigned int)(sizeof(gmlGeometryObj)*geometryList->numgeometries));
free(geometryList);
return NULL;
}
for(i=0; i<geometryList->numgeometries; i++) {
geometry = &(geometryList->geometries[i]);
geometry->name = msStrdup(names[i]); /* initialize a few things */
geometry->type = NULL;
geometry->occurmin = 0;
geometry->occurmax = 1;
snprintf(tag, 64, "%s_type", names[i]);
if((value = msOWSLookupMetadata(&(layer->metadata), metadata_namespaces, tag)) != NULL)
geometry->type = msStrdup(value); /* TODO: validate input value */
snprintf(tag, 64, "%s_occurances", names[i]);
if((value = msOWSLookupMetadata(&(layer->metadata), metadata_namespaces, tag)) != NULL) {
char **occur;
int numoccur;
occur = msStringSplit(value, ',', &numoccur);
if(numoccur == 2) { /* continue (TODO: throw an error if != 2) */
geometry->occurmin = atof(occur[0]);
if(strcasecmp(occur[1], "UNBOUNDED") == 0)
geometry->occurmax = OWS_GML_OCCUR_UNBOUNDED;
else
geometry->occurmax = atof(occur[1]);
}
msFreeCharArray(occur,numoccur);
}
}
msFreeCharArray(names, numnames);
}
else if( bWithDefaultGeom ) {
geometryList->numgeometries = 1;
geometryList->geometries = (gmlGeometryObj *) calloc(1, sizeof(gmlGeometryObj));
geometryList->geometries[0].name = msStrdup(OWS_GML_DEFAULT_GEOMETRY_NAME);
geometryList->geometries[0].type = NULL;
geometryList->geometries[0].occurmin = 0;
geometryList->geometries[0].occurmax = 1;
}
return geometryList;
}
void msGMLFreeGeometries(gmlGeometryListObj *geometryList)
{
int i;
if(!geometryList) return;
for(i=0; i<geometryList->numgeometries; i++) {
msFree(geometryList->geometries[i].name);
msFree(geometryList->geometries[i].type);
}
free(geometryList->geometries);
free(geometryList);
}
static void msGMLWriteItem(FILE *stream, gmlItemObj *item,
const char *value, const char *namespace,
const char *tab,
OWSGMLVersion outputformat,
const char *pszFID)
{
char *encoded_value = NULL, *tag_name;
int add_namespace = MS_TRUE;
char gmlid[256];
gmlid[0] = 0;
if(!stream || !item) return;
if(!item->visible) return;
if(!namespace) add_namespace = MS_FALSE;
if(item->alias)
tag_name = item->alias;
else
tag_name = item->name;
if(strchr(tag_name, ':') != NULL) add_namespace = MS_FALSE;
if( item->type && (EQUAL(item->type, "Date") ||
EQUAL(item->type, "DateTime") ||
EQUAL(item->type, "Time")) ) {
struct tm tm;