diff options
Diffstat (limited to 'gnu/dist/diffutils/src/ed.c')
| -rw-r--r-- | gnu/dist/diffutils/src/ed.c | 171 |
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]); - } -} |
