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/*****************************************************************************
*
* MODULE: Vector library
*
* AUTHOR(S): Radim Blazek
*
* PURPOSE: Lower level functions for reading/writing/manipulating vectors.
*
* COPYRIGHT: (C) 2001, 2012 by the GRASS Development Team
*
* This program is free software under the GNU General
* Public License (>=v2). Read the file COPYING that
* comes with GRASS for details.
*
*****************************************************************************/
#include <string.h>
#include <stdio.h>
#include <grass/vector.h>
#include <grass/glocale.h>
/*!
\brief Read external vector format file
\param dascii format file (frmt)
\param[out] finfo pointer to Format_info structure
\return format code
\return -1 on error
*/
int dig_read_frmt_ascii(FILE *dascii, struct Format_info *finfo)
{
char buff[2001], buf1[2001];
char *ptr;
int frmt = -1;
G_debug(3, "dig_read_frmt_ascii()");
/* read first line which must be FORMAT: */
if (G_getl2(buff, 2000, dascii)) {
G_chop(buff);
if (!(ptr = strchr(buff, ':'))) {
G_warning(_("Vector format not recognized: %s"), buff);
return -1;
}
strcpy(buf1, buff);
buf1[ptr - buff] = '\0';
ptr++; /* Search for the start of text */
while (*ptr == ' ')
ptr++;
if (G_strcasecmp(buf1, "FORMAT") == 0) {
#ifdef HAVE_OGR
if (G_strcasecmp(ptr, "ogr") == 0) {
frmt = GV_FORMAT_OGR;
}
#endif
#ifdef HAVE_POSTGRES
if (G_strcasecmp(ptr, "postgis") == 0) {
frmt = GV_FORMAT_POSTGIS;
}
#endif
}
}
if (frmt == -1) {
G_warning(_("Vector format not recognized: %s"), buff);
return -1;
}
/* init format info values */
#ifdef HAVE_OGR
G_zero(&(finfo->ogr), sizeof(struct Format_info_ogr));
#else
if (frmt == GV_FORMAT_OGR) {
G_warning(_("Vector format '%s' not supported"), ptr);
return -1;
}
#endif
#ifdef HAVE_POSTGRES
G_zero(&(finfo->pg), sizeof(struct Format_info_pg));
#else
if (frmt == GV_FORMAT_POSTGIS) {
G_warning(_("Vector format '%s' not supported"), ptr);
return -1;
}
#endif
while (G_getl2(buff, 2000, dascii)) {
G_chop(buff);
if (!(ptr = strchr(buff, ':'))) {
G_warning(_("Format definition is not correct: %s"), buff);
continue;
}
strcpy(buf1, buff);
buf1[ptr - buff] = '\0';
ptr++; /* Search for the start of text */
while (*ptr == ' ')
ptr++;
#ifdef HAVE_OGR
if (frmt == GV_FORMAT_OGR) {
if (G_strcasecmp(buf1, "DSN") == 0)
finfo->ogr.dsn = G_store(ptr);
if (G_strcasecmp(buf1, "LAYER") == 0)
finfo->ogr.layer_name = G_store(ptr);
if (G_strcasecmp(buf1, "WHERE") == 0)
finfo->ogr.where = G_store(ptr);
}
#endif
#ifdef HAVE_POSTGRES
if (frmt == GV_FORMAT_POSTGIS) {
if (G_strcasecmp(buf1, "CONNINFO") == 0)
finfo->pg.conninfo = G_store(ptr);
if (G_strcasecmp(buf1, "SCHEMA") == 0)
finfo->pg.schema_name = G_store(ptr);
if (G_strcasecmp(buf1, "TABLE") == 0)
finfo->pg.table_name = G_store(ptr);
if (G_strcasecmp(buf1, "FID") == 0)
finfo->pg.fid_column = G_store(ptr);
if (G_strcasecmp(buf1, "WHERE") == 0)
finfo->pg.where = G_store(ptr);
}
#endif
}
#ifdef HAVE_POSTGRES
/* if schema not defined, use 'public' */
if (frmt == GV_FORMAT_POSTGIS && !finfo->pg.schema_name) {
finfo->pg.schema_name = G_store("public");
}
/* if fid column not defined, use default value */
if (frmt == GV_FORMAT_POSTGIS && !finfo->pg.fid_column) {
finfo->pg.fid_column = G_store(GV_PG_FID_COLUMN);
}
#endif
return frmt;
}
/* Write vector format, currently does not work
* Parse also connection string.
*
* Returns: 0 OK
* -1 on error
*/
int dig_write_frmt_ascii(FILE *dascii UNUSED, struct Format_info *finfo UNUSED,
int format UNUSED)
{
G_debug(3, "dig_write_frmt_ascii()");
G_fatal_error("Format not supported by dig_write_frmt_ascii()");
return 0;
}
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