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list_gp.c
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list_gp.c
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/*!
\file list_gp.c
\brief Imagery Library - List group
(C) 2001-2008 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.
\author USA CERL
*/
#include <string.h>
#include <grass/imagery.h>
#include <grass/glocale.h>
/*!
* \brief Prints maps in a group (fancy version)
*
* \param group group name
* \param ref group reference (set with I_get_group_ref())
* \param fd where to print (typically stdout)
* \return 0
*/
int I_list_group(const char *group, const struct Ref *ref, FILE * fd)
{
char buf[80];
int i;
int len, tot_len;
int max;
if (ref->nfiles <= 0) {
fprintf(fd, _("group <%s> is empty\n"), group);
return 0;
}
max = 0;
for (i = 0; i < ref->nfiles; i++) {
sprintf(buf, "<%s@%s>", ref->file[i].name, ref->file[i].mapset);
len = strlen(buf) + 4;
if (len > max)
max = len;
}
fprintf(fd, _("group <%s> references the following raster maps\n"), group);
fprintf(fd, "-------------\n");
tot_len = 0;
for (i = 0; i < ref->nfiles; i++) {
sprintf(buf, "<%s@%s>", ref->file[i].name, ref->file[i].mapset);
tot_len += max;
if (tot_len > 78) {
fprintf(fd, "\n");
tot_len = max;
}
fprintf(fd, "%-*s", max, buf);
}
if (tot_len)
fprintf(fd, "\n");
fprintf(fd, "-------------\n");
return 0;
}
/*!
* \brief Prints maps in a group (simple version)
*
* Same as I_list_group(), but without all the fancy stuff.
* Prints one map per line in map@mapset form.
*
* \param ref group reference (set with I_get_group_ref())
* \param fd where to print (typically stdout)
* \return 0
*/
int I_list_group_simple(const struct Ref *ref, FILE * fd)
{
int i;
if (ref->nfiles <= 0)
return 0;
for (i = 0; i < ref->nfiles; i++)
fprintf(fd, "%s@%s\n", ref->file[i].name, ref->file[i].mapset);
return 0;
}