libsmartcols: rewrite test code to tree(1)-like util

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2014-04-08 12:13:02 +02:00
parent 11fe0448a0
commit d9554c97e8
2 changed files with 192 additions and 116 deletions

View File

@ -394,7 +394,7 @@ void strtotimeval_or_err(const char *str, struct timeval *tv, const char *errmes
/*
* Converts stat->st_mode to ls(1)-like mode string. The size of "str" must
* be 10 bytes.
* be 11 bytes.
*/
void strmode(mode_t mode, char *str)
{

View File

@ -15,26 +15,171 @@
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <termios.h>
#include <ctype.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <getopt.h>
#include "c.h"
#include "nls.h"
#include "widechar.h"
#include "mbsalign.h"
#include "ttyutils.h"
#include "procutils.h"
#include "strutils.h"
#include "colors.h"
#include "libsmartcols.h"
enum { MYCOL_NAME, MYCOL_FOO, MYCOL_BAR, MYCOL_PATH };
static int add_children(struct libscols_table *tb,
struct libscols_line *ln, int fd);
enum { COL_MODE, COL_SIZE, COL_NAME };
static void set_columns(struct libscols_table *tb, int notree)
{
if (!scols_table_new_column(tb, "MODE", 0.3, 0))
goto fail;
if (!scols_table_new_column(tb, "SIZE", 5, SCOLS_FL_RIGHT))
goto fail;
if (!scols_table_new_column(tb, "NAME", 0.5,
(notree ? 0 : SCOLS_FL_TREE) | SCOLS_FL_NOEXTREMES))
goto fail;
return;
fail:
scols_unref_table(tb);
err(EXIT_FAILURE, "faild to create output columns");
}
static int add_line_from_stat(struct libscols_table *tb,
struct libscols_line *parent,
int parent_fd,
struct stat *st,
const char *name)
{
struct libscols_line *ln;
char modbuf[11], *p;
mode_t mode = st->st_mode;
int rc = 0;
ln = scols_table_new_line(tb, parent);
if (!ln)
err(EXIT_FAILURE, "failed to create output line");
/* MODE; local buffer, use scols_line_set_data() that calls strdup() */
strmode(mode, modbuf);
if (scols_line_set_data(ln, COL_MODE, modbuf))
goto fail;
/* SIZE; already allocated string, use scols_line_refer_data() */
p = size_to_human_string(0, st->st_size);
if (!p || scols_line_refer_data(ln, COL_SIZE, p))
goto fail;
/* NAME */
if (scols_line_set_data(ln, COL_NAME, name))
goto fail;
/* colors */
if (scols_table_colors_wanted(tb)) {
struct libscols_cell *ce = scols_line_get_cell(ln, COL_NAME);
if (S_ISDIR(mode))
scols_cell_set_color(ce, "blue");
else if (S_ISLNK(mode))
scols_cell_set_color(ce, "cyan");
else if (S_ISBLK(mode))
scols_cell_set_color(ce, "magenta");
else if ((mode & S_IXOTH) || (mode & S_IXGRP) || (mode & S_IXUSR))
scols_cell_set_color(ce, "green");
}
if (S_ISDIR(st->st_mode)) {
int fd;
if (parent_fd >= 0)
fd = openat(parent_fd, name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC);
else
fd = open(name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC);
if (fd >= 0) {
rc = add_children(tb, ln, fd);
close(fd);
}
}
return rc;
fail:
err(EXIT_FAILURE, "failed to create cell data");
return -1;
}
/* read all entrines from directory @fd */
static int add_children(struct libscols_table *tb,
struct libscols_line *ln,
int fd)
{
DIR *dir;
struct dirent *d;
dir = fdopendir(fd);
if (!dir)
return -errno;
while ((d = readdir(dir))) {
struct stat st;
if (strcmp(d->d_name, ".") == 0 || strcmp(d->d_name, "..") == 0)
continue;
if (fstatat(fd, d->d_name, &st, AT_SYMLINK_NOFOLLOW) != 0)
continue;
add_line_from_stat(tb, ln, fd, &st, d->d_name);
}
closedir(dir);
return 0;
}
static void add_lines(struct libscols_table *tb, const char *dirname)
{
struct stat st;
if (lstat(dirname, &st))
err(EXIT_FAILURE, "%s", dirname);
add_line_from_stat(tb, NULL, -1, &st, dirname);
}
static void __attribute__((__noreturn__)) usage(FILE *out)
{
fputs(USAGE_HEADER, out);
fprintf(out, _(" %s [options] [<dir> ...]\n"), program_invocation_short_name);
fputs(USAGE_OPTIONS, out);
fputs(_(" -i, --ascii use ascii characters only\n"), out);
fputs(_(" -l, --list use list format output\n"), out);
fputs(_(" -n, --noheadings don't print headings\n"), out);
fputs(_(" -p, --pairs use key=\"value\" output format\n"), out);
fputs(_(" -r, --raw use raw output format\n"), out);
fputs(USAGE_SEPARATOR, out);
fputs(USAGE_HELP, out);
fputs(USAGE_VERSION, out);
exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
}
int main(int argc, char *argv[])
{
struct libscols_table *tb;
struct libscols_column *cl;
int notree = 0, clone = 0, i, color = 0;
int c, notree = 0, clonetb = 0;
static const struct option longopts[] = {
{ "help", 0, 0, 'h' },
{ "noheadings", 0, 0, 'n' },
{ "list", 0, 0, 'l' },
{ "ascii", 0, 0, 'i' },
{ "raw", 0, 0, 'r' },
{ "pairs", 0, 0, 'p' },
{ "clone", 0, 0, 'C' },
{ NULL, 0, 0, 0 },
};
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
@ -44,120 +189,51 @@ int main(int argc, char *argv[])
tb = scols_new_table();
if (!tb)
err(EXIT_FAILURE, "table initialization failed");
err(EXIT_FAILURE, "faild to create output table");
if (argc == 2 && !strcmp(argv[1], "--help")) {
printf("%s [--max | --ascii | --raw | --export | --list | "
"--color | --colortree | --clone | --clonetree]\n",
program_invocation_short_name);
scols_unref_table(tb);
return EXIT_SUCCESS;
} else if (argc == 2 && !strcmp(argv[1], "--max")) {
scols_table_enable_maxout(tb, 1);
} else if (argc == 2 && !strcmp(argv[1], "--ascii")) {
scols_table_enable_ascii(tb, 1);
} else if (argc == 2 && !strcmp(argv[1], "--raw")) {
scols_table_enable_raw(tb, 1);
notree = 1;
} else if (argc == 2 && !strcmp(argv[1], "--export")) {
scols_table_enable_export(tb, 1);
notree = 1;
} else if (argc == 2 && !strcmp(argv[1], "--list")) {
notree = 1;
} else if (argc == 2 && !strcmp(argv[1], "--color")) {
notree = 1;
color = 1;
} else if (argc == 2 && !strcmp(argv[1], "--colortree")) {
notree = 0;
color = 1;
} else if (argc == 2 && !strcmp(argv[1], "--clone")) {
notree = 1;
clone = 1;
} else if (argc == 2 && !strcmp(argv[1], "--clonetree")) {
notree = 0;
clone = 1;
while((c = getopt_long(argc, argv, "nlirpC", longopts, NULL)) != -1) {
switch(c) {
case 'h':
usage(stdout);
break;
case 'l':
notree = 1;
break;
case 'n':
scols_table_enable_noheadings(tb, 1);
break;
case 'p':
scols_table_enable_export(tb, 1);
notree = 1;
break;
case 'i':
scols_table_enable_ascii(tb, 1);
break;
case 'r':
scols_table_enable_raw(tb, 1);
notree = 1;
break;
case 'C':
clonetb = 1;
default:
usage(stderr);
}
}
cl = scols_table_new_column(tb, "NAME", 0.3, notree ? 0 : SCOLS_FL_TREE);
scols_table_enable_colors(tb, color);
scols_table_enable_colors(tb, 1);
set_columns(tb, notree);
if (color)
scols_column_set_color(cl, UL_COLOR_RED);
while (optind < argc)
add_lines(tb, argv[optind++]);
cl = scols_table_new_column(tb, "FOO", 0.3, SCOLS_FL_TRUNC);
if (color) {
struct libscols_cell *h = scols_column_get_header(cl);
scols_column_set_color(cl, UL_COLOR_BOLD_GREEN);
scols_cell_set_color(h, "green"); /* a human-readable string is also legal */
}
scols_table_new_column(tb, "BAR", 0.3, 0);
scols_table_new_column(tb, "PATH", 0.3, 0);
for (i = 0; i < 2; i++) {
struct libscols_line *ln = scols_table_new_line(tb, NULL);
struct libscols_line *pr, *root = ln;
scols_line_set_data(ln, MYCOL_NAME, "AAA");
scols_line_set_data(ln, MYCOL_FOO, "a-foo-foo");
scols_line_set_data(ln, MYCOL_BAR, "barBar-A");
scols_line_set_data(ln, MYCOL_PATH, "/mnt/AAA");
pr = ln = scols_table_new_line(tb, root);
scols_line_set_data(ln, MYCOL_NAME, "AAA.A");
scols_line_set_data(ln, MYCOL_FOO, "a.a-foo-foo");
scols_line_set_data(ln, MYCOL_BAR, "barBar-A.A");
scols_line_set_data(ln, MYCOL_PATH, "/mnt/AAA/A");
if (color)
scols_line_set_color(ln, UL_COLOR_BOLD_YELLOW);
ln = scols_table_new_line(tb, pr);
scols_line_set_data(ln, MYCOL_NAME, "AAA.A.AAA");
scols_line_set_data(ln, MYCOL_FOO, "a.a.a-foo-foo");
scols_line_set_data(ln, MYCOL_BAR, "barBar-A.A.A");
scols_line_set_data(ln, MYCOL_PATH, "/mnt/AAA/A/AAA");
ln = scols_table_new_line(tb, root);
scols_line_set_data(ln, MYCOL_NAME, "AAA.B");
scols_line_set_data(ln, MYCOL_FOO, "a.b-foo-foo");
scols_line_set_data(ln, MYCOL_BAR, "barBar-A.B");
scols_line_set_data(ln, MYCOL_PATH, "/mnt/AAA/B");
if (color)
scols_cell_set_color(scols_line_get_cell(ln, MYCOL_FOO),
UL_COLOR_MAGENTA);
ln = scols_table_new_line(tb, pr);
scols_line_set_data(ln, MYCOL_NAME, "AAA.A.BBB");
scols_line_set_data(ln, MYCOL_FOO, "a.a.b-foo-foo");
scols_line_set_data(ln, MYCOL_BAR, "barBar-A.A.BBB");
scols_line_set_data(ln, MYCOL_PATH, "/mnt/AAA/A/BBB");
ln = scols_table_new_line(tb, pr);
scols_line_set_data(ln, MYCOL_NAME, "AAA.A.CCC");
scols_line_set_data(ln, MYCOL_FOO, "a.a.c-foo-foo");
scols_line_set_data(ln, MYCOL_BAR, "barBar-A.A.CCC");
scols_line_set_data(ln, MYCOL_PATH, "/mnt/AAA/A/CCC");
ln = scols_table_new_line(tb, root);
scols_line_set_data(ln, MYCOL_NAME, "AAA.C");
scols_line_set_data(ln, MYCOL_FOO, "a.c-foo-foo");
scols_line_set_data(ln, MYCOL_BAR, "barBar-A.C");
scols_line_set_data(ln, MYCOL_PATH, "/mnt/AAA/C");
}
printf("\nColumns: %d, Lines: %d\n\n",
scols_table_get_ncols(tb),
scols_table_get_nlines(tb));
if (clone) {
if (clonetb) {
struct libscols_table *xtb = scols_copy_table(tb);
scols_print_table(xtb);
fputs("\n\n", stdout);
scols_unref_table(xtb);
}
scols_print_table(tb);
scols_print_table(xtb);
scols_unref_table(xtb);
} else
scols_print_table(tb);
scols_unref_table(tb);
return EXIT_SUCCESS;