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# sb_search.pl - search in your scrollback, scroll to a match
# Do /HELP SCROLLBACK for help
# Copyright (C) 2008 Wouter Coekaerts <wouter@coekaerts.be>, Emanuele Giaquinta <exg@irssi.org>
#
# This program 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 of the License, or
# (at your option) any later version.
#
# This program 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; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
use strict;
use Irssi;
use Irssi::TextUI;
use vars qw($VERSION %IRSSI);
$VERSION = '1.0';
%IRSSI = (
authors => 'Wouter Coekaerts, Emanuele Giaquinta',
contact => 'wouter@coekaerts.be, exg@irssi.org',
name => 'sb_search',
description => 'search in your scrollback, scroll to a match',
license => 'GPLv2 or later',
url => 'http://wouter.coekaerts.be/irssi/',
changed => '$LastChangedDate$',
);
sub cmd_help {
my ($args, $server, $witem) = @_;
if ($args =~ /^scrollback( search)? *$/i) {
Irssi::print ( <<SCRIPTHELP_EOF
SCROLLBACK SEARCH [-level <level>] [-regexp] [-case] [-word] [-forward] [-all] [<pattern>]
-level: only search for lines with the given level. see /help levels
-regexp: the pattern is a regular expression
-case: search case sensitive
-word: pattern must match to full words
-forward: search forwards (default is backwards)
-all: search in all windows
<pattern>: text to search for
SCRIPTHELP_EOF
,MSGLEVEL_CLIENTCRAP);
}
}
sub cmd_sb_search ($$$) {
my ($args, $server, $witem) = @_;
### handle options
my ($options, $pattern) = Irssi::command_parse_options('scrollback search', $args);
my $level;
if (defined($options->{level})) {
$level = $options->{level};
$level =~ y/,/ /;
$level = Irssi::combine_level(0, $level);
} else {
return if (!$pattern);
$level = MSGLEVEL_ALL;
}
my $regex;
if ($pattern) {
my $flags = defined($options->{case}) ? '' : '(?i)';
my $b = defined($options->{word}) ? '\b' : '';
if (defined($options->{regexp})) {
$regex = qr/$flags$b$pattern$b/;
} else {
$regex = qr/$flags$b\Q$pattern\E$b/;
}
}
my $forward = defined($options->{forward});
my $all = defined($options->{all});
### determine window(s) to search in
my $current_win = ref $witem ? $witem->window() : Irssi::active_win();
my @windows;
if ($all) {
# cycle backward or forwards over all windows starting from current
# for example, searching backward through 5 windows, with window 3 active: search order is 3,2,1,5,4
# if we're searching forward: 3,4,5,1,2
my $order = $forward ? 1 : -1;
@windows = sort {$order * ($a->{refnum} cmp $b->{refnum})} Irssi::windows();
my @before_windows = grep {($_->{refnum} cmp $current_win->{refnum}) == $order} @windows;
my @after_windows = grep {($_->{refnum} cmp $current_win->{refnum}) == -$order} @windows;
@windows = ($current_win, @before_windows, @after_windows);
} else {
@windows = ($current_win);
}
### do the search
foreach my $win (@windows) {
my $view = $win->view;
## determine line to start from
my $line;
if ($all && $win != $current_win) {
if ($forward) { # first line
$line = $view->get_lines;
} else { # last line
$line = $view->{startline};
while ($line->next) {
$line = $line->next
}
}
} else { # line after or before first visible line
$line = $forward ? $view->{startline}->next : $view->{startline}->prev;
}
## loop over the lines
while (defined $line) {
my $line_level = $line->{info}{level};
if ($line_level & $level && $line->get_text(0) =~ $regex) {
$view->scroll_line($line);
if ($all) {
Irssi::command('window goto ' . $win->{refnum});
}
return;
}
$line = $forward ? $line->next : $line->prev;
}
}
}
Irssi::command_bind('scrollback search', \&cmd_sb_search);
Irssi::command_bind_last('help', \&cmd_help);
Irssi::command_set_options('scrollback search', '-level regexp case word forward all');