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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:30:35 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:30:35 +0000
commit378c18e5f024ac5a8aef4cb40d7c9aa9633d144c (patch)
tree44dfb6ca500d32cabd450649b322a42e70a30683 /libsmartcols/samples/wrap.c
parentInitial commit. (diff)
downloadutil-linux-upstream.tar.xz
util-linux-upstream.zip
Adding upstream version 2.38.1.upstream/2.38.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--libsmartcols/samples/wrap.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/libsmartcols/samples/wrap.c b/libsmartcols/samples/wrap.c
new file mode 100644
index 0000000..795bef7
--- /dev/null
+++ b/libsmartcols/samples/wrap.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2010-2014 Karel Zak <kzak@redhat.com>
+ *
+ * This file may be redistributed under the terms of the
+ * GNU Lesser General Public License.
+ */
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.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 "strutils.h"
+#include "xalloc.h"
+
+#include "libsmartcols.h"
+
+
+enum { COL_NAME, COL_DESC, COL_FOO, COL_LIKE, COL_TEXT };
+
+/* add columns to the @tb */
+static void setup_columns(struct libscols_table *tb)
+{
+ if (!scols_table_new_column(tb, "NAME", 0, SCOLS_FL_TREE))
+ goto fail;
+ if (!scols_table_new_column(tb, "DESC", 0, 0))
+ goto fail;
+ if (!scols_table_new_column(tb, "FOO", 0, SCOLS_FL_WRAP))
+ goto fail;
+ if (!scols_table_new_column(tb, "LIKE", 0, SCOLS_FL_RIGHT))
+ goto fail;
+ if (!scols_table_new_column(tb, "TEXT", 0, SCOLS_FL_WRAP))
+ goto fail;
+ return;
+fail:
+ scols_unref_table(tb);
+ err(EXIT_FAILURE, "failed to create output columns");
+}
+
+static char *gen_text(const char *prefix, const char *sub_prefix, char *buf, size_t sz)
+{
+ int x = snprintf(buf, sz, "%s-%s-", prefix, sub_prefix);
+
+ for ( ; (size_t)x < sz - 1; x++)
+ buf[x] = *prefix;
+
+ buf[x++] = 'x';
+ buf[x] = '\0';
+ return buf;
+}
+
+static struct libscols_line * add_line( struct libscols_table *tb,
+ struct libscols_line *parent,
+ const char *prefix)
+{
+ char buf[BUFSIZ];
+ struct libscols_line *ln = scols_table_new_line(tb, parent);
+ if (!ln)
+ err(EXIT_FAILURE, "failed to create output line");
+
+ if (scols_line_set_data(ln, COL_NAME, gen_text(prefix, "N", buf, 15)))
+ goto fail;
+ if (scols_line_set_data(ln, COL_DESC, gen_text(prefix, "D", buf, 10)))
+ goto fail;
+ if (scols_line_set_data(ln, COL_FOO, gen_text(prefix, "U", buf, 55)))
+ goto fail;
+ if (scols_line_set_data(ln, COL_LIKE, "1"))
+ goto fail;
+ if (scols_line_set_data(ln, COL_TEXT, gen_text(prefix, "T", buf, 50)))
+ goto fail;
+ return ln;
+fail:
+ scols_unref_table(tb);
+ err(EXIT_FAILURE, "failed to create output line");
+}
+
+int main(int argc, char *argv[])
+{
+ struct libscols_table *tb;
+ struct libscols_line *ln, *xln;
+
+ setlocale(LC_ALL, ""); /* just to have enable UTF8 chars */
+
+ scols_init_debug(0);
+
+ tb = scols_new_table();
+ if (!tb)
+ err(EXIT_FAILURE, "failed to create output table");
+
+ scols_table_enable_colors(tb, isatty(STDOUT_FILENO));
+ setup_columns(tb);
+
+ ln = add_line(tb, NULL, "A");
+ add_line(tb, ln, "aa");
+ add_line(tb, ln, "ab");
+
+ ln = add_line(tb, NULL, "B");
+ xln = add_line(tb, ln, "ba");
+ add_line(tb, xln, "baa");
+ add_line(tb, xln, "bab");
+ add_line(tb, ln, "bb");
+
+ scols_print_table(tb);
+ scols_unref_table(tb);
+ return EXIT_SUCCESS;
+}