no_comment

1 files changed, 80 insertions, 0 deletions

diff --git a/perl-install/interactive_stdio.pm b/perl-install/interactive_stdio.pm
new file mode 100644
index 000000000..40dcdbb7c
--- /dev/null
+++ b/perl-install/interactive_stdio.pm
@@ -0,0 +1,80 @@
+package interactive_stdio;
+
+use diagnostics;
+use strict;
+use vars qw(@ISA);
+
+@ISA = qw(interactive);
+
+use interactive;
+use common qw(:common);
+
+1;
+
+sub readln {
+    my $l = <STDIN>;
+    chomp $l;
+    $l;
+}
+
+sub check_it {
+    my ($i, $n) = @_;
+    $i =~ /^\s*\d+\s*$/ && 1 <= $i && $i <= $n    
+}
+
+sub ask_from_listW {
+    my ($o, $title, $messages, $list, $def) = @_;
+    my $i;
+    print map { "$_\n" } @$messages;
+
+    if (@$list < 10 && sum(map { length $_ } @$list) < 50) {
+	my @l;
+	do {
+	    if (defined $i) {
+		@l ? print _("Ambiguity (%s) be more precise\n", join(", ", @l)) :
+		     print _("Bad choice, try again\n");
+	    }
+	    @$list == 1 ? print @$list :
+	                  print join("/", @$list), _(" ? (default %s) ", $def);
+	    $i = readln() || $def;
+	    @l = grep { /^$i/ } @$list;
+	} until (@l == 1);
+	$l[0];
+    } else {
+	my $n = 0; foreach (@$list) { 
+	    $n++;
+	    $def eq $_ and $def = $n;
+	    print "$n: $_\n"; 
+	}
+	do {
+	    defined $i and print _("Bad choice, try again\n");
+	    print _("Your choice? (default %s) ", $def);
+	    $i = readln() || $def;
+	} until (check_it($i, $n));
+	$list->[$i - 1];
+    }
+}
+
+sub ask_many_from_listW {
+    my ($o, $title, $messages, $list, $default) = @_;
+    my @defaults;
+    print map { "$_\n" } @$messages;
+    my $n = 0; foreach (@$list) { 
+	$n++; 
+	print "$n: $_\n"; 
+	push @defaults, $n if $default->[$n - 1];
+    }
+    my $i;
+    TRY_AGAIN:
+    defined $i and print _("Bad choice, try again\n");
+    print _("Your choice? (default %s  enter `none' for none) ", join(',', @defaults));
+    $i = readln();
+    my @t = split ',', $i;
+    foreach (@t) { check_it($_, $n) or goto TRY_AGAIN }
+
+    my @rr = (0) x @$list;
+    $rr[$_ - 1] = 1 foreach @t;
+    @rr;
+}
+
+