mirror of
https://git.osgeo.org/gitea/postgis/postgis
synced 2024-10-25 09:32:46 +00:00
157 lines
3 KiB
C
157 lines
3 KiB
C
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "lwgeom_pg.h"
|
|
#include "liblwgeom.h"
|
|
|
|
char *lwcollection_summary(LWCOLLECTION *collection, int offset);
|
|
char *lwpoly_summary(LWPOLY *poly, int offset);
|
|
char *lwline_summary(LWLINE *line, int offset);
|
|
char *lwpoint_summary(LWPOINT *point, int offset);
|
|
|
|
char *
|
|
lwgeom_summary(LWGEOM *lwgeom, int offset)
|
|
{
|
|
char *result;
|
|
|
|
switch (TYPE_GETTYPE(lwgeom->type))
|
|
{
|
|
case POINTTYPE:
|
|
return lwpoint_summary((LWPOINT *)lwgeom, offset);
|
|
|
|
case LINETYPE:
|
|
return lwline_summary((LWLINE *)lwgeom, offset);
|
|
|
|
case POLYGONTYPE:
|
|
return lwpoly_summary((LWPOLY *)lwgeom, offset);
|
|
|
|
case MULTIPOINTTYPE:
|
|
case MULTILINETYPE:
|
|
case MULTIPOLYGONTYPE:
|
|
case COLLECTIONTYPE:
|
|
return lwcollection_summary((LWCOLLECTION *)lwgeom, offset);
|
|
default:
|
|
result = palloc(256);
|
|
sprintf(result, "Object is of unknown type: %d",
|
|
lwgeom->type);
|
|
return result;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Returns an alloced string containing summary for the LWGEOM object
|
|
*/
|
|
char *
|
|
lwpoint_summary(LWPOINT *point, int offset)
|
|
{
|
|
char *result;
|
|
char pad[offset+1];
|
|
|
|
memset(pad, ' ', offset);
|
|
pad[offset] = '\0';
|
|
|
|
result = lwalloc(128+offset);
|
|
|
|
sprintf(result, "%s%s[%s]\n",
|
|
pad, lwgeom_typename(TYPE_GETTYPE(point->type)),
|
|
lwgeom_typeflags(point->type));
|
|
return result;
|
|
}
|
|
|
|
char *
|
|
lwline_summary(LWLINE *line, int offset)
|
|
{
|
|
char *result;
|
|
char pad[offset+1];
|
|
|
|
memset(pad, ' ', offset);
|
|
pad[offset] = '\0';
|
|
|
|
result = lwalloc(128+offset);
|
|
|
|
sprintf(result, "%s%s[%s] with %d points\n",
|
|
pad, lwgeom_typename(TYPE_GETTYPE(line->type)),
|
|
lwgeom_typeflags(line->type),
|
|
line->points->npoints);
|
|
return result;
|
|
}
|
|
|
|
|
|
char *
|
|
lwcollection_summary(LWCOLLECTION *col, int offset)
|
|
{
|
|
size_t size = 128;
|
|
char *result;
|
|
char *tmp;
|
|
int i;
|
|
char pad[offset+1];
|
|
memset(pad, ' ', offset);
|
|
pad[offset] = '\0';
|
|
|
|
#ifdef PGIS_DEBUG_CALLS
|
|
lwnotice("lwcollection_summary called");
|
|
#endif
|
|
|
|
result = (char *)lwalloc(size);
|
|
|
|
sprintf(result, "%s%s[%s] with %d elements\n",
|
|
pad, lwgeom_typename(TYPE_GETTYPE(col->type)),
|
|
lwgeom_typeflags(col->type),
|
|
col->ngeoms);
|
|
|
|
for (i=0; i<col->ngeoms; i++)
|
|
{
|
|
tmp = lwgeom_summary(col->geoms[i], offset+2);
|
|
size += strlen(tmp)+1;
|
|
result = lwrealloc(result, size);
|
|
//lwnotice("Reallocated %d bytes for result", size);
|
|
strcat(result, tmp);
|
|
lwfree(tmp);
|
|
}
|
|
|
|
#ifdef PGIS_DEBUG_CALLS
|
|
lwnotice("lwcollection_summary returning");
|
|
#endif
|
|
|
|
return result;
|
|
}
|
|
|
|
char *
|
|
lwpoly_summary(LWPOLY *poly, int offset)
|
|
{
|
|
char tmp[256];
|
|
size_t size = 64*(poly->nrings+1)+128;
|
|
char *result;
|
|
int i;
|
|
char pad[offset+1];
|
|
memset(pad, ' ', offset);
|
|
pad[offset] = '\0';
|
|
|
|
#ifdef PGIS_DEBUG_CALLS
|
|
lwnotice("lwpoly_summary called");
|
|
#endif
|
|
|
|
result = lwalloc(size);
|
|
|
|
sprintf(result, "%s%s[%s] with %i rings\n",
|
|
pad, lwgeom_typename(TYPE_GETTYPE(poly->type)),
|
|
lwgeom_typeflags(poly->type),
|
|
poly->nrings);
|
|
|
|
for (i=0; i<poly->nrings;i++)
|
|
{
|
|
sprintf(tmp,"%s ring %i has %i points\n",
|
|
pad, i, poly->rings[i]->npoints);
|
|
strcat(result,tmp);
|
|
}
|
|
|
|
#ifdef PGIS_DEBUG_CALLS
|
|
lwnotice("lwpoly_summary returning");
|
|
#endif
|
|
|
|
return result;
|
|
}
|
|
|