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-rw-r--r--contrib/perl5/lib/complete.pl120
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diff --git a/contrib/perl5/lib/complete.pl b/contrib/perl5/lib/complete.pl
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-;#
-#
-# This library is no longer being maintained, and is included for backward
-# compatibility with Perl 4 programs which may require it.
-#
-# In particular, this should not be used as an example of modern Perl
-# programming techniques.
-#
-# Suggested alternative: Term::Complete
-#
-;# @(#)complete.pl,v1.1 (me@anywhere.EBay.Sun.COM) 09/23/91
-;#
-;# Author: Wayne Thompson
-;#
-;# Description:
-;# This routine provides word completion.
-;# (TAB) attempts word completion.
-;# (^D) prints completion list.
-;# (These may be changed by setting $Complete'complete, etc.)
-;#
-;# Diagnostics:
-;# Bell when word completion fails.
-;#
-;# Dependencies:
-;# The tty driver is put into raw mode.
-;#
-;# Bugs:
-;#
-;# Usage:
-;# $input = &Complete('prompt_string', *completion_list);
-;# or
-;# $input = &Complete('prompt_string', @completion_list);
-;#
-
-CONFIG: {
- package Complete;
-
- $complete = "\004";
- $kill = "\025";
- $erase1 = "\177";
- $erase2 = "\010";
-}
-
-sub Complete {
- package Complete;
-
- local($prompt, @cmp_list, $return, @match, $l, $test, $cmp, $r);
- if ($_[1] =~ /^StB\0/) {
- ($prompt, *_) = @_;
- }
- else {
- $prompt = shift(@_);
- }
- @cmp_lst = sort(@_);
-
- system('stty raw -echo');
- LOOP: {
- print($prompt, $return);
- while (($_ = getc(STDIN)) ne "\r") {
- CASE: {
- # (TAB) attempt completion
- $_ eq "\t" && do {
- @match = grep(/^$return/, @cmp_lst);
- $l = length($test = shift(@match));
- unless ($#match < 0) {
- foreach $cmp (@match) {
- until (substr($cmp, 0, $l) eq substr($test, 0, $l)) {
- $l--;
- }
- }
- print("\a");
- }
- print($test = substr($test, $r, $l - $r));
- $r = length($return .= $test);
- last CASE;
- };
-
- # (^D) completion list
- $_ eq $complete && do {
- print(join("\r\n", '', grep(/^$return/, @cmp_lst)), "\r\n");
- redo LOOP;
- };
-
- # (^U) kill
- $_ eq $kill && do {
- if ($r) {
- undef $r;
- undef $return;
- print("\r\n");
- redo LOOP;
- }
- last CASE;
- };
-
- # (DEL) || (BS) erase
- ($_ eq $erase1 || $_ eq $erase2) && do {
- if($r) {
- print("\b \b");
- chop($return);
- $r--;
- }
- last CASE;
- };
-
- # printable char
- ord >= 32 && do {
- $return .= $_;
- $r++;
- print;
- last CASE;
- };
- }
- }
- }
- system('stty -raw echo');
- print("\n");
- $return;
-}
-
-1;
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