list_subgp.c

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#include <string.h>
#include <grass/imagery.h>
#include <grass/glocale.h>

int I_list_subgroup(const char *group,
                    const char *subgroup, const struct Ref *ref, FILE * fd)
{
    char buf[80];
    int i;
    int len, tot_len;
    int max;

    if (ref->nfiles <= 0) {
        fprintf(fd, _("subgroup <%s> of group <%s> is empty\n"),
                subgroup, 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,
            _("subgroup <%s> of group <%s> references the following raster maps\n"),
            subgroup, 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;
}

/* same as above, but one map per line in map@mapset form */
int I_list_subgroup_simple(const struct Ref *ref, FILE * fd)
{
    return I_list_group_simple(ref, fd);
}