summaryrefslogtreecommitdiff
path: root/gnu/dist/diffutils/src/ed.c
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/dist/diffutils/src/ed.c')
-rw-r--r--gnu/dist/diffutils/src/ed.c171
1 files changed, 0 insertions, 171 deletions
diff --git a/gnu/dist/diffutils/src/ed.c b/gnu/dist/diffutils/src/ed.c
deleted file mode 100644
index 42e47edbbb4..00000000000
--- a/gnu/dist/diffutils/src/ed.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/* $NetBSD: ed.c,v 1.1.1.1 2003/01/26 00:43:17 wiz Exp $ */
-
-/* Output routines for ed-script format.
-
- Copyright (C) 1988, 1989, 1991, 1992, 1993, 1995, 1998, 2001 Free
- Software Foundation, Inc.
-
- This file is part of GNU DIFF.
-
- GNU DIFF is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- GNU DIFF is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING.
- If not, write to the Free Software Foundation,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "diff.h"
-
-static void print_ed_hunk (struct change *);
-static void print_rcs_hunk (struct change *);
-static void pr_forward_ed_hunk (struct change *);
-
-/* Print our script as ed commands. */
-
-void
-print_ed_script (struct change *script)
-{
- print_script (script, find_reverse_change, print_ed_hunk);
-}
-
-/* Print a hunk of an ed diff */
-
-static void
-print_ed_hunk (struct change *hunk)
-{
- lin f0, l0, f1, l1;
- enum changes changes;
-
-#ifdef DEBUG
- debug_script (hunk);
-#endif
-
- /* Determine range of line numbers involved in each file. */
- changes = analyze_hunk (hunk, &f0, &l0, &f1, &l1);
- if (!changes)
- return;
-
- begin_output ();
-
- /* Print out the line number header for this hunk */
- print_number_range (',', &files[0], f0, l0);
- fprintf (outfile, "%c\n", change_letter[changes]);
-
- /* Print new/changed lines from second file, if needed */
- if (changes != OLD)
- {
- lin i;
- for (i = f1; i <= l1; i++)
- {
- if (files[1].linbuf[i][0] == '.' && files[1].linbuf[i][1] == '\n')
- {
- /* The file's line is just a dot, and it would exit
- insert mode. Precede the dot with another dot, exit
- insert mode, remove the extra dot, and then resume
- insert mode. */
- fprintf (outfile, "..\n.\ns/.//\na\n");
- }
- else
- print_1_line ("", &files[1].linbuf[i]);
- }
-
- fprintf (outfile, ".\n");
- }
-}
-
-/* Print change script in the style of ed commands,
- but print the changes in the order they appear in the input files,
- which means that the commands are not truly useful with ed. */
-
-void
-pr_forward_ed_script (struct change *script)
-{
- print_script (script, find_change, pr_forward_ed_hunk);
-}
-
-static void
-pr_forward_ed_hunk (struct change *hunk)
-{
- lin i, f0, l0, f1, l1;
-
- /* Determine range of line numbers involved in each file. */
- enum changes changes = analyze_hunk (hunk, &f0, &l0, &f1, &l1);
- if (!changes)
- return;
-
- begin_output ();
-
- fprintf (outfile, "%c", change_letter[changes]);
- print_number_range (' ', files, f0, l0);
- fprintf (outfile, "\n");
-
- /* If deletion only, print just the number range. */
-
- if (changes == OLD)
- return;
-
- /* For insertion (with or without deletion), print the number range
- and the lines from file 2. */
-
- for (i = f1; i <= l1; i++)
- print_1_line ("", &files[1].linbuf[i]);
-
- fprintf (outfile, ".\n");
-}
-
-/* Print in a format somewhat like ed commands
- except that each insert command states the number of lines it inserts.
- This format is used for RCS. */
-
-void
-print_rcs_script (struct change *script)
-{
- print_script (script, find_change, print_rcs_hunk);
-}
-
-/* Print a hunk of an RCS diff */
-
-static void
-print_rcs_hunk (struct change *hunk)
-{
- lin i, f0, l0, f1, l1;
- long tf0, tl0, tf1, tl1;
-
- /* Determine range of line numbers involved in each file. */
- enum changes changes = analyze_hunk (hunk, &f0, &l0, &f1, &l1);
- if (!changes)
- return;
-
- begin_output ();
-
- translate_range (&files[0], f0, l0, &tf0, &tl0);
-
- if (changes & OLD)
- {
- fprintf (outfile, "d");
- /* For deletion, print just the starting line number from file 0
- and the number of lines deleted. */
- fprintf (outfile, "%ld %ld\n", tf0, tf0 <= tl0 ? tl0 - tf0 + 1 : 1);
- }
-
- if (changes & NEW)
- {
- fprintf (outfile, "a");
-
- /* Take last-line-number from file 0 and # lines from file 1. */
- translate_range (&files[1], f1, l1, &tf1, &tl1);
- fprintf (outfile, "%ld %ld\n", tl0, tf1 <= tl1 ? tl1 - tf1 + 1 : 1);
-
- /* Print the inserted lines. */
- for (i = f1; i <= l1; i++)
- print_1_line ("", &files[1].linbuf[i]);
- }
-}