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-rw-r--r--text-utils/column.c918
1 files changed, 918 insertions, 0 deletions
diff --git a/text-utils/column.c b/text-utils/column.c
new file mode 100644
index 0000000..ba2acd1
--- /dev/null
+++ b/text-utils/column.c
@@ -0,0 +1,918 @@
+/*
+ * Copyright (c) 1989, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Copyright (C) 2017 Karel Zak <kzak@redhat.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+#include <ctype.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <getopt.h>
+
+#include "nls.h"
+#include "c.h"
+#include "widechar.h"
+#include "xalloc.h"
+#include "strutils.h"
+#include "closestream.h"
+#include "ttyutils.h"
+#include "strv.h"
+#include "optutils.h"
+#include "mbsalign.h"
+
+#include "libsmartcols.h"
+
+#define TABCHAR_CELLS 8
+
+enum {
+ COLUMN_MODE_FILLCOLS = 0,
+ COLUMN_MODE_FILLROWS,
+ COLUMN_MODE_TABLE,
+ COLUMN_MODE_SIMPLE
+};
+
+struct column_control {
+ int mode; /* COLUMN_MODE_* */
+ size_t termwidth;
+
+ struct libscols_table *tab;
+
+ char **tab_colnames; /* array with column names */
+ const char *tab_name; /* table name */
+ const char *tab_order; /* --table-order */
+
+ const char *tab_colright; /* --table-right */
+ const char *tab_coltrunc; /* --table-trunc */
+ const char *tab_colnoextrem; /* --table-noextreme */
+ const char *tab_colwrap; /* --table-wrap */
+ const char *tab_colhide; /* --table-hide */
+
+ const char *tree;
+ const char *tree_id;
+ const char *tree_parent;
+
+ wchar_t *input_separator;
+ const char *output_separator;
+
+ wchar_t **ents; /* input entries */
+ size_t nents; /* number of entries */
+ size_t maxlength; /* longest input record (line) */
+ size_t maxncols; /* maximal number of input columns */
+
+ unsigned int greedy :1,
+ json :1,
+ header_repeat :1,
+ keep_empty_lines :1, /* --keep-empty-lines */
+ tab_noheadings :1;
+};
+
+static size_t width(const wchar_t *str)
+{
+ size_t width = 0;
+
+ for (; *str != '\0'; str++) {
+#ifdef HAVE_WIDECHAR
+ int x = wcwidth(*str); /* don't use wcswidth(), need to ignore non-printable */
+ if (x > 0)
+ width += x;
+#else
+ if (isprint(*str))
+ width++;
+#endif
+ }
+ return width;
+}
+
+static wchar_t *mbs_to_wcs(const char *s)
+{
+#ifdef HAVE_WIDECHAR
+ ssize_t n;
+ wchar_t *wcs;
+
+ n = mbstowcs((wchar_t *)0, s, 0);
+ if (n < 0)
+ return NULL;
+ wcs = xcalloc((n + 1) * sizeof(wchar_t), 1);
+ n = mbstowcs(wcs, s, n + 1);
+ if (n < 0) {
+ free(wcs);
+ return NULL;
+ }
+ return wcs;
+#else
+ return xstrdup(s);
+#endif
+}
+
+static char *wcs_to_mbs(const wchar_t *s)
+{
+#ifdef HAVE_WIDECHAR
+ size_t n;
+ char *str;
+
+ n = wcstombs(NULL, s, 0);
+ if (n == (size_t) -1)
+ return NULL;
+
+ str = xcalloc(n + 1, 1);
+ if (wcstombs(str, s, n) == (size_t) -1) {
+ free(str);
+ return NULL;
+ }
+ return str;
+#else
+ return xstrdup(s);
+#endif
+}
+
+static wchar_t *local_wcstok(struct column_control const *const ctl, wchar_t *p,
+ wchar_t **state)
+{
+ wchar_t *result = NULL;
+
+ if (ctl->greedy)
+#ifdef HAVE_WIDECHAR
+ return wcstok(p, ctl->input_separator, state);
+#else
+ return strtok_r(p, ctl->input_separator, state);
+#endif
+ if (!p) {
+ if (!*state)
+ return NULL;
+ p = *state;
+ }
+ result = p;
+#ifdef HAVE_WIDECHAR
+ p = wcspbrk(result, ctl->input_separator);
+#else
+ p = strpbrk(result, ctl->input_separator);
+#endif
+ if (!p)
+ *state = NULL;
+ else {
+ *p = '\0';
+ *state = p + 1;
+ }
+ return result;
+}
+
+static char **split_or_error(const char *str, const char *errmsg)
+{
+ char **res = strv_split(str, ",");
+ if (!res) {
+ if (errno == ENOMEM)
+ err_oom();
+ errx(EXIT_FAILURE, "%s: '%s'", errmsg, str);
+ }
+ return res;
+}
+
+static void init_table(struct column_control *ctl)
+{
+ scols_init_debug(0);
+
+ ctl->tab = scols_new_table();
+ if (!ctl->tab)
+ err(EXIT_FAILURE, _("failed to allocate output table"));
+
+ scols_table_set_column_separator(ctl->tab, ctl->output_separator);
+ if (ctl->json) {
+ scols_table_enable_json(ctl->tab, 1);
+ scols_table_set_name(ctl->tab, ctl->tab_name ? : "table");
+ } else
+ scols_table_enable_noencoding(ctl->tab, 1);
+
+ if (ctl->tab_colnames) {
+ char **name;
+
+ STRV_FOREACH(name, ctl->tab_colnames)
+ scols_table_new_column(ctl->tab, *name, 0, 0);
+ if (ctl->header_repeat)
+ scols_table_enable_header_repeat(ctl->tab, 1);
+ scols_table_enable_noheadings(ctl->tab, !!ctl->tab_noheadings);
+ } else
+ scols_table_enable_noheadings(ctl->tab, 1);
+}
+
+static struct libscols_column *string_to_column(struct column_control *ctl, const char *str)
+{
+ uint32_t colnum = 0;
+
+ if (isdigit_string(str))
+ colnum = strtou32_or_err(str, _("failed to parse column")) - 1;
+ else {
+ char **name;
+
+ STRV_FOREACH(name, ctl->tab_colnames) {
+ if (strcasecmp(*name, str) == 0)
+ break;
+ colnum++;
+ }
+ if (!name || !*name)
+ errx(EXIT_FAILURE, _("undefined column name '%s'"), str);
+ }
+
+ return scols_table_get_column(ctl->tab, colnum);
+}
+
+static struct libscols_column *get_last_visible_column(struct column_control *ctl)
+{
+ struct libscols_iter *itr;
+ struct libscols_column *cl, *last = NULL;
+
+ itr = scols_new_iter(SCOLS_ITER_FORWARD);
+ if (!itr)
+ err_oom();
+
+ while (scols_table_next_column(ctl->tab, itr, &cl) == 0) {
+ if (scols_column_get_flags(cl) & SCOLS_FL_HIDDEN)
+ continue;
+ last = cl;
+ }
+
+ scols_free_iter(itr);
+ return last;
+}
+
+static int column_set_flag(struct libscols_column *cl, int fl)
+{
+ int cur = scols_column_get_flags(cl);
+
+ return scols_column_set_flags(cl, cur | fl);
+}
+
+static void apply_columnflag_from_list(struct column_control *ctl, const char *list,
+ int flag, const char *errmsg)
+{
+ char **all;
+ char **one;
+ int unnamed = 0;
+ struct libscols_column *cl;
+
+ /* apply to all */
+ if (list && strcmp(list, "0") == 0) {
+ struct libscols_iter *itr;
+
+ itr = scols_new_iter(SCOLS_ITER_FORWARD);
+ if (!itr)
+ err_oom();
+
+ while (scols_table_next_column(ctl->tab, itr, &cl) == 0)
+ column_set_flag(cl, flag);
+ scols_free_iter(itr);
+ }
+
+ all = split_or_error(list, errmsg);
+
+ /* apply to columns specified by name */
+ STRV_FOREACH(one, all) {
+ if (flag == SCOLS_FL_HIDDEN && strcmp(*one, "-") == 0) {
+ unnamed = 1;
+ continue;
+ }
+ cl = string_to_column(ctl, *one);
+ if (cl)
+ column_set_flag(cl, flag);
+ }
+ strv_free(all);
+
+ /* apply flag to all columns without name */
+ if (unnamed) {
+ struct libscols_iter *itr;
+
+ itr = scols_new_iter(SCOLS_ITER_FORWARD);
+ if (!itr)
+ err_oom();
+
+ while (scols_table_next_column(ctl->tab, itr, &cl) == 0) {
+ if (!scols_column_get_name(cl))
+ column_set_flag(cl, flag);
+ }
+ scols_free_iter(itr);
+ }
+}
+
+static void reorder_table(struct column_control *ctl)
+{
+ struct libscols_column **wanted, *last = NULL;
+ size_t i, count = 0;
+ size_t ncols = scols_table_get_ncols(ctl->tab);
+ char **order = split_or_error(ctl->tab_order, _("failed to parse --table-order list"));
+ char **one;
+
+ wanted = xcalloc(ncols, sizeof(struct libscols_column *));
+
+ STRV_FOREACH(one, order) {
+ struct libscols_column *cl = string_to_column(ctl, *one);
+ if (cl)
+ wanted[count++] = cl;
+ }
+
+ for (i = 0; i < count; i++) {
+ scols_table_move_column(ctl->tab, last, wanted[i]);
+ last = wanted[i];
+ }
+
+ free(wanted);
+ strv_free(order);
+}
+
+static void create_tree(struct column_control *ctl)
+{
+ struct libscols_column *cl_tree = string_to_column(ctl, ctl->tree);
+ struct libscols_column *cl_p = string_to_column(ctl, ctl->tree_parent);
+ struct libscols_column *cl_i = string_to_column(ctl, ctl->tree_id);
+ struct libscols_iter *itr_p, *itr_i;
+ struct libscols_line *ln_i;
+
+ if (!cl_p || !cl_i || !cl_tree)
+ return; /* silently ignore the tree request */
+
+ column_set_flag(cl_tree, SCOLS_FL_TREE);
+
+ itr_p = scols_new_iter(SCOLS_ITER_FORWARD);
+ itr_i = scols_new_iter(SCOLS_ITER_FORWARD);
+ if (!itr_p || !itr_i)
+ err_oom();
+
+ /* scan all lines for ID */
+ while (scols_table_next_line(ctl->tab, itr_i, &ln_i) == 0) {
+ struct libscols_line *ln;
+ struct libscols_cell *ce = scols_line_get_column_cell(ln_i, cl_i);
+ const char *id = ce ? scols_cell_get_data(ce) : NULL;
+
+ if (!id)
+ continue;
+
+ /* see if the ID is somewhere used in parent column */
+ scols_reset_iter(itr_p, SCOLS_ITER_FORWARD);
+ while (scols_table_next_line(ctl->tab, itr_p, &ln) == 0) {
+ const char *parent;
+
+ ce = scols_line_get_column_cell(ln, cl_p);
+ parent = ce ? scols_cell_get_data(ce) : NULL;
+
+ if (!parent)
+ continue;
+ if (strcmp(id, parent) != 0)
+ continue;
+ if (scols_line_is_ancestor(ln, ln_i))
+ continue;
+ scols_line_add_child(ln_i, ln);
+ }
+ }
+
+ scols_free_iter(itr_p);
+ scols_free_iter(itr_i);
+}
+
+static void modify_table(struct column_control *ctl)
+{
+ scols_table_set_termwidth(ctl->tab, ctl->termwidth);
+ scols_table_set_termforce(ctl->tab, SCOLS_TERMFORCE_ALWAYS);
+
+ if (ctl->tab_colright)
+ apply_columnflag_from_list(ctl, ctl->tab_colright,
+ SCOLS_FL_RIGHT, _("failed to parse --table-right list"));
+
+ if (ctl->tab_coltrunc)
+ apply_columnflag_from_list(ctl, ctl->tab_coltrunc,
+ SCOLS_FL_TRUNC , _("failed to parse --table-trunc list"));
+
+ if (ctl->tab_colnoextrem)
+ apply_columnflag_from_list(ctl, ctl->tab_colnoextrem,
+ SCOLS_FL_NOEXTREMES , _("failed to parse --table-noextreme list"));
+
+ if (ctl->tab_colwrap)
+ apply_columnflag_from_list(ctl, ctl->tab_colwrap,
+ SCOLS_FL_WRAP , _("failed to parse --table-wrap list"));
+
+ if (ctl->tab_colhide)
+ apply_columnflag_from_list(ctl, ctl->tab_colhide,
+ SCOLS_FL_HIDDEN , _("failed to parse --table-hide list"));
+
+ if (!ctl->tab_colnoextrem) {
+ struct libscols_column *cl = get_last_visible_column(ctl);
+ if (cl)
+ column_set_flag(cl, SCOLS_FL_NOEXTREMES);
+ }
+
+ if (ctl->tree)
+ create_tree(ctl);
+
+ /* This must be the last step! */
+ if (ctl->tab_order)
+ reorder_table(ctl);
+}
+
+
+static int add_line_to_table(struct column_control *ctl, wchar_t *wcs0)
+{
+ wchar_t *wcdata, *sv = NULL, *wcs = wcs0;
+ size_t n = 0, nchars = 0, skip = 0, len;
+ struct libscols_line *ln = NULL;
+
+ if (!ctl->tab)
+ init_table(ctl);
+
+ len = wcslen(wcs0);
+
+ do {
+ char *data;
+
+ if (ctl->maxncols && n + 1 == ctl->maxncols) {
+ if (nchars + skip < len)
+ wcdata = wcs0 + (nchars + skip);
+ else
+ wcdata = NULL;
+ } else {
+ wcdata = local_wcstok(ctl, wcs, &sv);
+
+ /* For the default separator ('greedy' mode) it uses
+ * strtok() and it skips leading white chars. In this
+ * case we need to remember size of the ignored white
+ * chars due to wcdata calculation in maxncols case */
+ if (wcdata && ctl->greedy
+ && n == 0 && nchars == 0 && wcdata > wcs)
+ skip = wcdata - wcs;
+ }
+
+ if (!wcdata)
+ break;
+ if (scols_table_get_ncols(ctl->tab) < n + 1) {
+ if (scols_table_is_json(ctl->tab))
+ errx(EXIT_FAILURE, _("line %zu: for JSON the name of the "
+ "column %zu is required"),
+ scols_table_get_nlines(ctl->tab) + 1,
+ n + 1);
+ scols_table_new_column(ctl->tab, NULL, 0, 0);
+ }
+ if (!ln) {
+ ln = scols_table_new_line(ctl->tab, NULL);
+ if (!ln)
+ err(EXIT_FAILURE, _("failed to allocate output line"));
+ }
+
+ nchars += wcslen(wcdata) + 1;
+
+ data = wcs_to_mbs(wcdata);
+ if (!data)
+ err(EXIT_FAILURE, _("failed to allocate output data"));
+ if (scols_line_refer_data(ln, n, data))
+ err(EXIT_FAILURE, _("failed to add output data"));
+ n++;
+ wcs = NULL;
+ if (ctl->maxncols && n == ctl->maxncols)
+ break;
+ } while (1);
+
+ return 0;
+}
+
+static int add_emptyline_to_table(struct column_control *ctl)
+{
+ if (!ctl->tab)
+ init_table(ctl);
+
+ if (!scols_table_new_line(ctl->tab, NULL))
+ err(EXIT_FAILURE, _("failed to allocate output line"));
+
+ return 0;
+}
+
+static void add_entry(struct column_control *ctl, size_t *maxents, wchar_t *wcs)
+{
+ if (ctl->nents <= *maxents) {
+ *maxents += 1000;
+ ctl->ents = xrealloc(ctl->ents, *maxents * sizeof(wchar_t *));
+ }
+ ctl->ents[ctl->nents] = wcs;
+ ctl->nents++;
+}
+
+static int read_input(struct column_control *ctl, FILE *fp)
+{
+ wchar_t *empty = NULL;
+ char *buf = NULL;
+ size_t bufsz = 0;
+ size_t maxents = 0;
+ int rc = 0;
+
+ /* Read input */
+ do {
+ char *str, *p;
+ wchar_t *wcs = NULL;
+ size_t len;
+
+ if (getline(&buf, &bufsz, fp) < 0) {
+ if (feof(fp))
+ break;
+ err(EXIT_FAILURE, _("read failed"));
+ }
+ str = (char *) skip_space(buf);
+ if (str) {
+ p = strchr(str, '\n');
+ if (p)
+ *p = '\0';
+ }
+ if (!str || !*str) {
+ if (ctl->keep_empty_lines) {
+ if (ctl->mode == COLUMN_MODE_TABLE) {
+ add_emptyline_to_table(ctl);
+ } else {
+ if (!empty)
+ empty = mbs_to_wcs("");
+ add_entry(ctl, &maxents, empty);
+ }
+ }
+ continue;
+ }
+
+ wcs = mbs_to_wcs(buf);
+ if (!wcs) {
+ /*
+ * Convert broken sequences to \x<hex> and continue.
+ */
+ size_t tmpsz = 0;
+ char *tmp = mbs_invalid_encode(buf, &tmpsz);
+
+ if (!tmp)
+ err(EXIT_FAILURE, _("read failed"));
+ wcs = mbs_to_wcs(tmp);
+ free(tmp);
+ }
+
+ switch (ctl->mode) {
+ case COLUMN_MODE_TABLE:
+ rc = add_line_to_table(ctl, wcs);
+ free(wcs);
+ break;
+
+ case COLUMN_MODE_FILLCOLS:
+ case COLUMN_MODE_FILLROWS:
+ add_entry(ctl, &maxents, wcs);
+ len = width(wcs);
+ if (ctl->maxlength < len)
+ ctl->maxlength = len;
+ break;
+ default:
+ free(wcs);
+ break;
+ }
+ } while (rc == 0);
+
+ return rc;
+}
+
+
+static void columnate_fillrows(struct column_control *ctl)
+{
+ size_t chcnt, col, cnt, endcol, numcols;
+ wchar_t **lp;
+
+ ctl->maxlength = (ctl->maxlength + TABCHAR_CELLS) & ~(TABCHAR_CELLS - 1);
+ numcols = ctl->termwidth / ctl->maxlength;
+ endcol = ctl->maxlength;
+ for (chcnt = col = 0, lp = ctl->ents; /* nothing */; ++lp) {
+ fputws(*lp, stdout);
+ chcnt += width(*lp);
+ if (!--ctl->nents)
+ break;
+ if (++col == numcols) {
+ chcnt = col = 0;
+ endcol = ctl->maxlength;
+ putwchar('\n');
+ } else {
+ while ((cnt = ((chcnt + TABCHAR_CELLS) & ~(TABCHAR_CELLS - 1))) <= endcol) {
+ putwchar('\t');
+ chcnt = cnt;
+ }
+ endcol += ctl->maxlength;
+ }
+ }
+ if (chcnt)
+ putwchar('\n');
+}
+
+static void columnate_fillcols(struct column_control *ctl)
+{
+ size_t base, chcnt, cnt, col, endcol, numcols, numrows, row;
+
+ ctl->maxlength = (ctl->maxlength + TABCHAR_CELLS) & ~(TABCHAR_CELLS - 1);
+ numcols = ctl->termwidth / ctl->maxlength;
+ if (!numcols)
+ numcols = 1;
+ numrows = ctl->nents / numcols;
+ if (ctl->nents % numcols)
+ ++numrows;
+
+ for (row = 0; row < numrows; ++row) {
+ endcol = ctl->maxlength;
+ for (base = row, chcnt = col = 0; col < numcols; ++col) {
+ fputws(ctl->ents[base], stdout);
+ chcnt += width(ctl->ents[base]);
+ if ((base += numrows) >= ctl->nents)
+ break;
+ while ((cnt = ((chcnt + TABCHAR_CELLS) & ~(TABCHAR_CELLS - 1))) <= endcol) {
+ putwchar('\t');
+ chcnt = cnt;
+ }
+ endcol += ctl->maxlength;
+ }
+ putwchar('\n');
+ }
+}
+
+static void simple_print(struct column_control *ctl)
+{
+ int cnt;
+ wchar_t **lp;
+
+ for (cnt = ctl->nents, lp = ctl->ents; cnt--; ++lp) {
+ fputws(*lp, stdout);
+ putwchar('\n');
+ }
+}
+
+static void __attribute__((__noreturn__)) usage(void)
+{
+ FILE *out = stdout;
+
+ fputs(USAGE_HEADER, out);
+ fprintf(out, _(" %s [options] [<file>...]\n"), program_invocation_short_name);
+
+ fputs(USAGE_SEPARATOR, out);
+ fputs(_("Columnate lists.\n"), out);
+
+ fputs(USAGE_OPTIONS, out);
+ fputs(_(" -t, --table create a table\n"), out);
+ fputs(_(" -n, --table-name <name> table name for JSON output\n"), out);
+ fputs(_(" -O, --table-order <columns> specify order of output columns\n"), out);
+ fputs(_(" -N, --table-columns <names> comma separated columns names\n"), out);
+ fputs(_(" -l, --table-columns-limit <num> maximal number of input columns\n"), out);
+ fputs(_(" -E, --table-noextreme <columns> don't count long text from the columns to column width\n"), out);
+ fputs(_(" -d, --table-noheadings don't print header\n"), out);
+ fputs(_(" -e, --table-header-repeat repeat header for each page\n"), out);
+ fputs(_(" -H, --table-hide <columns> don't print the columns\n"), out);
+ fputs(_(" -R, --table-right <columns> right align text in these columns\n"), out);
+ fputs(_(" -T, --table-truncate <columns> truncate text in the columns when necessary\n"), out);
+ fputs(_(" -W, --table-wrap <columns> wrap text in the columns when necessary\n"), out);
+ fputs(_(" -L, --keep-empty-lines don't ignore empty lines\n"), out);
+ fputs(_(" -J, --json use JSON output format for table\n"), out);
+
+ fputs(USAGE_SEPARATOR, out);
+ fputs(_(" -r, --tree <column> column to use tree-like output for the table\n"), out);
+ fputs(_(" -i, --tree-id <column> line ID to specify child-parent relation\n"), out);
+ fputs(_(" -p, --tree-parent <column> parent to specify child-parent relation\n"), out);
+
+ fputs(USAGE_SEPARATOR, out);
+ fputs(_(" -c, --output-width <width> width of output in number of characters\n"), out);
+ fputs(_(" -o, --output-separator <string> columns separator for table output (default is two spaces)\n"), out);
+ fputs(_(" -s, --separator <string> possible table delimiters\n"), out);
+ fputs(_(" -x, --fillrows fill rows before columns\n"), out);
+
+
+ fputs(USAGE_SEPARATOR, out);
+ printf(USAGE_HELP_OPTIONS(34));
+ printf(USAGE_MAN_TAIL("column(1)"));
+
+ exit(EXIT_SUCCESS);
+}
+
+int main(int argc, char **argv)
+{
+ struct column_control ctl = {
+ .mode = COLUMN_MODE_FILLCOLS,
+ .greedy = 1,
+ .termwidth = (size_t) -1
+ };
+
+ int c;
+ unsigned int eval = 0; /* exit value */
+
+ static const struct option longopts[] =
+ {
+ { "columns", required_argument, NULL, 'c' }, /* deprecated */
+ { "fillrows", no_argument, NULL, 'x' },
+ { "help", no_argument, NULL, 'h' },
+ { "json", no_argument, NULL, 'J' },
+ { "keep-empty-lines", no_argument, NULL, 'L' },
+ { "output-separator", required_argument, NULL, 'o' },
+ { "output-width", required_argument, NULL, 'c' },
+ { "separator", required_argument, NULL, 's' },
+ { "table", no_argument, NULL, 't' },
+ { "table-columns", required_argument, NULL, 'N' },
+ { "table-columns-limit", required_argument, NULL, 'l' },
+ { "table-hide", required_argument, NULL, 'H' },
+ { "table-name", required_argument, NULL, 'n' },
+ { "table-noextreme", required_argument, NULL, 'E' },
+ { "table-noheadings", no_argument, NULL, 'd' },
+ { "table-order", required_argument, NULL, 'O' },
+ { "table-right", required_argument, NULL, 'R' },
+ { "table-truncate", required_argument, NULL, 'T' },
+ { "table-wrap", required_argument, NULL, 'W' },
+ { "table-empty-lines", no_argument, NULL, 'L' }, /* deprecated */
+ { "table-header-repeat", no_argument, NULL, 'e' },
+ { "tree", required_argument, NULL, 'r' },
+ { "tree-id", required_argument, NULL, 'i' },
+ { "tree-parent", required_argument, NULL, 'p' },
+ { "version", no_argument, NULL, 'V' },
+ { NULL, 0, NULL, 0 },
+ };
+ static const ul_excl_t excl[] = { /* rows and cols in ASCII order */
+ { 'J','x' },
+ { 't','x' },
+ { 0 }
+ };
+ int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT;
+
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+ close_stdout_atexit();
+
+ ctl.output_separator = " ";
+ ctl.input_separator = mbs_to_wcs("\t ");
+
+ while ((c = getopt_long(argc, argv, "c:dE:eH:hi:Jl:LN:n:O:o:p:R:r:s:T:tVW:x", longopts, NULL)) != -1) {
+
+ err_exclusive_options(c, longopts, excl, excl_st);
+
+ switch(c) {
+ case 'c':
+ ctl.termwidth = strtou32_or_err(optarg, _("invalid columns argument"));
+ break;
+ case 'd':
+ ctl.tab_noheadings = 1;
+ break;
+ case 'E':
+ ctl.tab_colnoextrem = optarg;
+ break;
+ case 'e':
+ ctl.header_repeat = 1;
+ break;
+ case 'H':
+ ctl.tab_colhide = optarg;
+ break;
+ case 'i':
+ ctl.tree_id = optarg;
+ break;
+ case 'J':
+ ctl.json = 1;
+ ctl.mode = COLUMN_MODE_TABLE;
+ break;
+ case 'L':
+ ctl.keep_empty_lines = 1;
+ break;
+ case 'l':
+ ctl.maxncols = strtou32_or_err(optarg, _("invalid columns limit argument"));
+ if (ctl.maxncols == 0)
+ errx(EXIT_FAILURE, _("columns limit must be greater than zero"));
+ break;
+ case 'N':
+ ctl.tab_colnames = split_or_error(optarg, _("failed to parse column names"));
+ break;
+ case 'n':
+ ctl.tab_name = optarg;
+ break;
+ case 'O':
+ ctl.tab_order = optarg;
+ break;
+ case 'o':
+ ctl.output_separator = optarg;
+ break;
+ case 'p':
+ ctl.tree_parent = optarg;
+ break;
+ case 'R':
+ ctl.tab_colright = optarg;
+ break;
+ case 'r':
+ ctl.tree = optarg;
+ break;
+ case 's':
+ free(ctl.input_separator);
+ ctl.input_separator = mbs_to_wcs(optarg);
+ if (!ctl.input_separator)
+ err(EXIT_FAILURE, _("failed to use input separator"));
+ ctl.greedy = 0;
+ break;
+ case 'T':
+ ctl.tab_coltrunc = optarg;
+ break;
+ case 't':
+ ctl.mode = COLUMN_MODE_TABLE;
+ break;
+ case 'W':
+ ctl.tab_colwrap = optarg;
+ break;
+ case 'x':
+ ctl.mode = COLUMN_MODE_FILLROWS;
+ break;
+
+ case 'h':
+ usage();
+ case 'V':
+ print_version(EXIT_SUCCESS);
+ default:
+ errtryhelp(EXIT_FAILURE);
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (ctl.termwidth == (size_t) -1)
+ ctl.termwidth = get_terminal_width(80);
+
+ if (ctl.tree) {
+ ctl.mode = COLUMN_MODE_TABLE;
+ if (!ctl.tree_parent || !ctl.tree_id)
+ errx(EXIT_FAILURE, _("options --tree-id and --tree-parent are "
+ "required for tree formatting"));
+ }
+
+ if (ctl.mode != COLUMN_MODE_TABLE
+ && (ctl.tab_order || ctl.tab_name || ctl.tab_colwrap ||
+ ctl.tab_colhide || ctl.tab_coltrunc || ctl.tab_colnoextrem ||
+ ctl.tab_colright || ctl.tab_colnames))
+ errx(EXIT_FAILURE, _("option --table required for all --table-*"));
+
+ if (ctl.tab_colnames == NULL && ctl.json)
+ errx(EXIT_FAILURE, _("option --table-columns required for --json"));
+
+ if (!*argv)
+ eval += read_input(&ctl, stdin);
+ else
+ for (; *argv; ++argv) {
+ FILE *fp;
+
+ if ((fp = fopen(*argv, "r")) != NULL) {
+ eval += read_input(&ctl, fp);
+ fclose(fp);
+ } else {
+ warn("%s", *argv);
+ eval += EXIT_FAILURE;
+ }
+ }
+
+ if (ctl.mode != COLUMN_MODE_TABLE) {
+ if (!ctl.nents)
+ exit(eval);
+ if (ctl.maxlength >= ctl.termwidth)
+ ctl.mode = COLUMN_MODE_SIMPLE;
+ }
+
+ switch (ctl.mode) {
+ case COLUMN_MODE_TABLE:
+ if (ctl.tab && scols_table_get_nlines(ctl.tab)) {
+ modify_table(&ctl);
+ eval = scols_print_table(ctl.tab);
+ }
+ break;
+ case COLUMN_MODE_FILLCOLS:
+ columnate_fillcols(&ctl);
+ break;
+ case COLUMN_MODE_FILLROWS:
+ columnate_fillrows(&ctl);
+ break;
+ case COLUMN_MODE_SIMPLE:
+ simple_print(&ctl);
+ break;
+ }
+
+ return eval == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 18:59:38 +0000