GRASS GIS 8 Programmer's Manual  8.4.0dev(2024)-c17eaff561
list_gp.c
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1 /*!
2  \file list_gp.c
3 
4  \brief Imagery Library - List group
5 
6  (C) 2001-2008 by the GRASS Development Team
7 
8  This program is free software under the GNU General Public License
9  (>=v2). Read the file COPYING that comes with GRASS for details.
10 
11  \author USA CERL
12  */
13 
14 #include <string.h>
15 #include <grass/imagery.h>
16 #include <grass/glocale.h>
17 
18 /*!
19  * \brief Prints maps in a group (fancy version)
20  *
21  * \param group group name
22  * \param ref group reference (set with I_get_group_ref())
23  * \param fd where to print (typically stdout)
24  * \return 0
25  */
26 int I_list_group(const char *group, const struct Ref *ref, FILE *fd)
27 {
28  char buf[80];
29  int i;
30  int len, tot_len;
31  int max;
32 
33  if (ref->nfiles <= 0) {
34  fprintf(fd, _("group <%s> is empty\n"), group);
35  return 0;
36  }
37  max = 0;
38  for (i = 0; i < ref->nfiles; i++) {
39  I__list_group_name_fit(buf, ref->file[i].name, ref->file[i].mapset);
40  len = strlen(buf) + 4;
41  if (len > max)
42  max = len;
43  }
44  fprintf(fd, _("group <%s> references the following raster maps\n"), group);
45  fprintf(fd, "-------------\n");
46  tot_len = 0;
47  for (i = 0; i < ref->nfiles; i++) {
48  I__list_group_name_fit(buf, ref->file[i].name, ref->file[i].mapset);
49  tot_len += max;
50  if (tot_len > 78) {
51  fprintf(fd, "\n");
52  tot_len = max;
53  }
54  fprintf(fd, "%-*s", max, buf);
55  }
56  if (tot_len)
57  fprintf(fd, "\n");
58  fprintf(fd, "-------------\n");
59 
60  return 0;
61 }
62 
63 /*!
64  * \brief Prints maps in a group (simple version)
65  *
66  * Same as I_list_group(), but without all the fancy stuff.
67  * Prints one map per line in map@mapset form.
68  *
69  * \param ref group reference (set with I_get_group_ref())
70  * \param fd where to print (typically stdout)
71  * \return 0
72  */
73 int I_list_group_simple(const struct Ref *ref, FILE *fd)
74 {
75  int i;
76 
77  if (ref->nfiles <= 0)
78  return 0;
79 
80  for (i = 0; i < ref->nfiles; i++)
81  fprintf(fd, "%s@%s\n", ref->file[i].name, ref->file[i].mapset);
82 
83  return 0;
84 }
85 
86 /*!
87  * \brief Formats map name to fit in a 80 column layout
88  *
89  * Results in a map name in the "<map@mapset>" form.
90  * If necessary truncates relevant part(s) and denotes
91  * with ellipsis, e.g. "<verylongmapname...@mapset>".
92  *
93  * \param[out] buf formatted map name
94  * \param name map name
95  * \param mapset mapset name
96  */
97 void I__list_group_name_fit(char *buf, const char *name, const char *mapset)
98 {
99  char *frmt;
100  char fr[32];
101  int name_length = (int)strlen(name);
102  int mapset_length = (int)strlen(mapset);
103 
104  if (name_length + mapset_length + 3 < 75) {
105  frmt = "<%s@%s>";
106  }
107  else if (name_length > 35 && mapset_length > 35) {
108  frmt = "<%.33s...@%.32s...>";
109  }
110  else if (name_length > 35) {
111  sprintf(fr, "<%%.%ds...@%%s>", 68 - mapset_length);
112  frmt = fr;
113  }
114  else {
115  sprintf(fr, "<%%s@%%.%ds...>", 68 - name_length);
116  frmt = fr;
117  }
118  snprintf(buf, 75, frmt, name, mapset);
119 }
#define max(x, y)
Definition: draw2.c:30
#define _(str)
Definition: glocale.h:10
void I__list_group_name_fit(char *buf, const char *name, const char *mapset)
Formats map name to fit in a 80 column layout.
Definition: list_gp.c:97
int I_list_group(const char *group, const struct Ref *ref, FILE *fd)
Prints maps in a group (fancy version)
Definition: list_gp.c:26
int I_list_group_simple(const struct Ref *ref, FILE *fd)
Prints maps in a group (simple version)
Definition: list_gp.c:73
const char * name
Definition: named_colr.c:6
char name[INAME_LEN]
Definition: imagery.h:20
char mapset[INAME_LEN]
Definition: imagery.h:21
Definition: imagery.h:24
int nfiles
Definition: imagery.h:25
struct Ref_Files * file
Definition: imagery.h:26