forked from Mirrors/flatpak-builder
212 lines
5.6 KiB
C
212 lines
5.6 KiB
C
/*
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* Copyright © 2014 Red Hat, Inc
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Alexander Larsson <alexl@redhat.com>
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*/
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#include "config.h"
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#include "flatpak-table-printer.h"
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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typedef struct {
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char *text;
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int align;
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} Cell;
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static void
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free_cell (gpointer data)
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{
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Cell *cell = data;
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g_free (cell->text);
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g_free (cell);
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}
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struct FlatpakTablePrinter
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{
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GPtrArray *titles;
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GPtrArray *rows;
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GPtrArray *current;
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int n_columns;
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};
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FlatpakTablePrinter *
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flatpak_table_printer_new (void)
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{
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FlatpakTablePrinter *printer = g_new0 (FlatpakTablePrinter, 1);
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printer->titles = g_ptr_array_new_with_free_func (g_free);
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printer->rows = g_ptr_array_new_with_free_func ((GDestroyNotify) g_ptr_array_unref);
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printer->current = g_ptr_array_new_with_free_func (free_cell);
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return printer;
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}
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void
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flatpak_table_printer_free (FlatpakTablePrinter *printer)
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{
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g_ptr_array_free (printer->titles, TRUE);
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g_ptr_array_free (printer->rows, TRUE);
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g_ptr_array_free (printer->current, TRUE);
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g_free (printer);
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}
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void
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flatpak_table_printer_set_column_title (FlatpakTablePrinter *printer,
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int column,
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const char *text)
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{
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g_ptr_array_insert (printer->titles, column, g_strdup (text));
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}
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void
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flatpak_table_printer_add_aligned_column (FlatpakTablePrinter *printer,
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const char *text,
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int align)
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{
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Cell *cell = g_new (Cell, 1);
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cell->text = text ? g_strdup (text) : g_strdup ("");
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cell->align = align;
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g_ptr_array_add (printer->current, cell);
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}
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void
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flatpak_table_printer_add_column (FlatpakTablePrinter *printer,
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const char *text)
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{
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flatpak_table_printer_add_aligned_column (printer, text, -1);
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}
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void
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flatpak_table_printer_add_column_len (FlatpakTablePrinter *printer,
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const char *text,
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gsize len)
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{
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Cell *cell = g_new (Cell, 1);
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cell->text = text ? g_strndup (text, len) : g_strdup ("");
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cell->align = -1;
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g_ptr_array_add (printer->current, cell);
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}
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void
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flatpak_table_printer_append_with_comma (FlatpakTablePrinter *printer,
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const char *text)
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{
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Cell *cell;
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char *new;
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g_assert (printer->current->len > 0);
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cell = g_ptr_array_index (printer->current, printer->current->len - 1);
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if (cell->text[0] != 0)
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new = g_strconcat (cell->text, ",", text, NULL);
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else
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new = g_strdup (text);
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g_free (cell->text);
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cell->text = new;
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}
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void
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flatpak_table_printer_finish_row (FlatpakTablePrinter *printer)
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{
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if (printer->current->len == 0)
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return; /* Ignore empty rows */
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printer->n_columns = MAX (printer->n_columns, printer->current->len);
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g_ptr_array_add (printer->rows, printer->current);
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printer->current = g_ptr_array_new_with_free_func (free_cell);
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}
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void
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flatpak_table_printer_print (FlatpakTablePrinter *printer)
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{
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g_autofree int *widths = NULL;
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g_autofree int *lwidths = NULL;
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g_autofree int *rwidths = NULL;
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int i, j;
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if (printer->current->len != 0)
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flatpak_table_printer_finish_row (printer);
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widths = g_new0 (int, printer->n_columns);
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lwidths = g_new0 (int, printer->n_columns);
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rwidths = g_new0 (int, printer->n_columns);
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for (i = 0; i < printer->titles->len; i++)
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{
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char *title = g_ptr_array_index (printer->titles, i);
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if (title)
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widths[i] = MAX (widths[i], strlen (title));
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}
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for (i = 0; i < printer->rows->len; i++)
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{
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GPtrArray *row = g_ptr_array_index (printer->rows, i);
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for (j = 0; j < row->len; j++)
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{
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Cell *cell = g_ptr_array_index (row, j);
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int width;
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width = strlen (cell->text);
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widths[j] = MAX (widths[j], width);
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if (cell->align >= 0)
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{
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lwidths[j] = MAX (lwidths[j], cell->align);
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rwidths[j] = MAX (rwidths[j], width - cell->align);
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}
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}
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}
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if (isatty (STDOUT_FILENO) && printer->titles->len > 0)
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{
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g_print ("\x1b[1m"); /* bold on */
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for (i = 0; i < printer->titles->len; i++)
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{
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char *title = g_ptr_array_index (printer->titles, i);
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g_print ("%s%-*s", (i == 0) ? "" : " ", widths[i], title);
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}
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g_print ("\x1b[0m"); /* bold off */
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g_print ("\n");
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}
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for (i = 0; i < printer->rows->len; i++)
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{
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GPtrArray *row = g_ptr_array_index (printer->rows, i);
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for (j = 0; j < row->len; j++)
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{
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Cell *cell = g_ptr_array_index (row, j);
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if (cell->align < 0)
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g_print ("%s%-*s", (j == 0) ? "" : " ", widths[j], cell->text);
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else
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g_print ("%s%*s%-*s", (j == 0) ? "" : " ", lwidths[j] - cell->align, "", widths[j] - (lwidths[j] - cell->align), cell->text);
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}
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g_print ("\n");
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}
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}
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