move debug() to Screen class

diff --git a/bin/fcscs b/bin/fcscs
index 29499d2c82d7d65e95849348630d6704f0c84320..5b68c2b022a76f445db3f9c652a7f65e343d9bbb 100755 (executable)
--- a/bin/fcscs
+++ b/bin/fcscs
@@ -341,6 +341,23 @@ package Screen {
         $self->deinit;
         exit 1;
     }
+    sub debug {
+        my ($self, $module, @args) = @_;
+
+        return if not $self->{debug};
+
+        state $fh; # only open the file once per run
+        if (not defined $fh) {
+            # Ignore errors if the directory doesn't exist.
+            if (not open $fh, '>', "$ENV{HOME}/.config/fcscs/log") {
+                $fh = undef; # a failed open still writes a value to $fh
+                return;
+            }
+        }
+
+        say $fh "$module: @args";
+        return;
+    }
 
 
     sub prompt {
@@ -365,25 +382,6 @@ package Screen {
 
 # FUNCTIONS
 
-sub debug {
-    my ($config, $module, @args) = @_;
-
-    return if not $config->{setting}{debug};
-
-    state $fh; # only open the file once per run
-    if (not defined $fh) {
-        # Ignore errors if the directory doesn't exist.
-        if (not open $fh, '>', "$ENV{HOME}/.config/fcscs/log") {
-            $fh = undef; # a failed open still writes a value to $fh
-            return;
-        }
-    }
-
-    say $fh "$module: @args";
-    return;
-}
-
-
 sub prepare_input {
     my ($screen, $input_ref) = @_;
 
@@ -432,9 +430,9 @@ sub get_regex_matches {
 
 
 sub run_command {
-    my ($config, $cmd) = @_;
+    my ($screen, $config, $cmd) = @_;
 
-    debug $config, 'run_command', "running @{$cmd}";
+    $screen->debug('run_command', "running @{$cmd}");
 
     my $exit = do {
         # Perl's system() combined with a $SIG{__WARN__} which die()s has
@@ -474,9 +472,9 @@ sub run_command {
     return;
 }
 sub run_in_background {
-    my ($config, $sub) = @_;
+    my ($screen, $sub) = @_;
 
-    debug $config, 'run_in_background', "running $sub";
+    $screen->debug('run_in_background', "running $sub");
 
     my $pid = fork;
     defined $pid or die $!;
@@ -508,7 +506,7 @@ sub run_in_background {
 sub select_match {
     my ($name, $screen, $config, $input, $matches) = @_;
 
-    debug $config, 'select_match', 'started';
+    $screen->debug('select_match', 'started');
 
     return if @{$matches} == 0;
     # Don't return on initial run to give the user a chance to select another
@@ -572,7 +570,7 @@ sub select_match {
     foreach (@{$matches}) {
         return { match => $_ } if $_->{id} == $number;
     }
-    debug $config, 'select_match', 'no match selected';
+    $screen->debug('select_match', 'no match selected');
     return { match => undef };
 }
 
@@ -599,7 +597,7 @@ sub extend_match_regex_right {
 sub extend_match {
     my ($screen, $config, $input, $match) = @_;
 
-    debug $config, 'extend_match', 'started';
+    $screen->debug('extend_match', 'started');
 
     $screen->prompt(name => 'extend', value => undef);
     $screen->draw_prompt($config);
@@ -651,7 +649,7 @@ sub extend_match {
         $screen->refresh;
     }
 
-    debug $config, 'extend_match', 'done';
+    $screen->debug('extend_match', 'done');
 
     return { match => $match };
 }
@@ -660,7 +658,7 @@ sub extend_match {
 sub mapping_paste {
     my ($key, $screen, $config, $input) = @_;
 
-    debug $config, 'mapping_paste', 'started';
+    $screen->debug('mapping_paste', 'started');
 
     $config->{state}{handler} = $config->{handler}{paste};
 
@@ -673,7 +671,7 @@ sub mapping_paste {
 sub mapping_yank {
     my ($key, $screen, $config, $input) = @_;
 
-    debug $config, 'mapping_yank', 'started';
+    $screen->debug('mapping_yank', 'started');
 
     $config->{state}{handler} = $config->{handler}{yank};
 
@@ -704,7 +702,7 @@ The following normal modes are available:
 sub mapping_mode_path {
     my ($key, $screen, $config, $input) = @_;
 
-    debug $config, 'mapping_mode_path', 'started';
+    $screen->debug('mapping_mode_path', 'started');
 
     my @matches = get_regex_matches($input, $config->{regex}{path});
     return {
@@ -716,7 +714,7 @@ sub mapping_mode_path {
 sub mapping_mode_url {
     my ($key, $screen, $config, $input) = @_;
 
-    debug $config, 'mapping_mode_url', 'started';
+    $screen->debug('mapping_mode_url', 'started');
 
     my @matches = get_regex_matches($input, $config->{regex}{url});
     return {
@@ -763,7 +761,7 @@ characters (C<\S+>), just like in Vim.
 sub mapping_mode_search {
     my ($key, $screen, $config, $input) = @_;
 
-    debug $config, 'mapping_mode_search', 'started';
+    $screen->debug('mapping_mode_search', 'started');
 
     $screen->cursor(1);
 
@@ -831,7 +829,7 @@ sub mapping_quit {
 sub handler_yank {
     my ($screen, $config, $match) = @_;
 
-    debug $config, 'handler_yank', 'started';
+    $screen->debug('handler_yank', 'started');
 
     require File::Temp;
 
@@ -842,18 +840,18 @@ sub handler_yank {
     close $fh or die $!;
 
     if ($config->{setting}{multiplexer} eq 'screen') {
-        debug $config, 'handler_yank', 'using screen';
+        $screen->debug('handler_yank', 'using screen');
 
         # GNU screen displays an annoying "Slurping X characters into buffer".
         # Use 'msgwait 0' as a hack to disable it.
         my $msgwait = $config->{setting}{screen_msgwait};
-        run_command($config, ['screen', '-X', 'msgwait', 0]);
-        run_command($config, ['screen', '-X', 'readbuf', $tmp]);
-        run_command($config, ['screen', '-X', 'msgwait', $msgwait]);
+        run_command($screen, $config, ['screen', '-X', 'msgwait', 0]);
+        run_command($screen, $config, ['screen', '-X', 'readbuf', $tmp]);
+        run_command($screen, $config, ['screen', '-X', 'msgwait', $msgwait]);
     } elsif ($config->{setting}{multiplexer} eq 'tmux') {
-        debug $config, 'handler_yank', 'using tmux';
+        $screen->debug('handler_yank', 'using tmux');
 
-        run_command($config, ['tmux', 'load-buffer', $tmp]);
+        run_command($screen, $config, ['tmux', 'load-buffer', $tmp]);
     } else {
         die 'unsupported multiplexer';
     }
@@ -864,22 +862,22 @@ sub handler_yank {
 sub handler_paste {
     my ($screen, $config, $match) = @_;
 
-    debug $config, 'handler_paste', 'started';
+    $screen->debug('handler_paste', 'started');
 
     require Time::HiRes;
 
     my @cmd;
     if ($config->{setting}{multiplexer} eq 'screen') {
-        debug $config, 'handler_paste', 'using screen';
+        $screen->debug('handler_paste', 'using screen');
         @cmd = qw( screen -X paste . );
     } elsif ($config->{setting}{multiplexer} eq 'tmux') {
-        debug $config, 'handler_paste', 'using tmux';
+        $screen->debug('handler_paste', 'using tmux');
         @cmd = qw( tmux paste-buffer );
     } else {
         die 'unsupported multiplexer';
     }
 
-    run_in_background($config, sub {
+    run_in_background($screen, sub {
         # We need to get the data in the paste buffer before we can paste
         # it.
         handler_yank($screen, $config, $match);
@@ -887,21 +885,21 @@ sub handler_paste {
         # Sleep until we switch back to the current window.
         Time::HiRes::usleep($config->{setting}{paste_sleep});
 
-        run_command($config, \@cmd);
+        run_command($screen, $config, \@cmd);
     });
     return;
 }
 sub handler_url {
     my ($screen, $config, $match) = @_;
 
-    debug $config, 'handler_url', "opening $match->{value}";
+    $screen->debug('handler_url', "opening $match->{value}");
 
-    run_in_background($config, sub {
+    run_in_background($screen, sub {
         my @cmd = map { $screen->encode($_) } (
             @{$config->{setting}{browser}},
             $match->{value},
         );
-        run_command($config, \@cmd);
+        run_command($screen, $config, \@cmd);
     });
     return;
 }
@@ -1152,8 +1150,9 @@ Example:
         my ($screen, $config, $match) = @_;
 
         if ($match->{value} =~ m{^https://www.youtube.com/}) {
-            return run_in_background($config, sub {
-                run_command($config, ['youtube-dl-wrapper', $match->{value}]);
+            return run_in_background($screen, sub {
+                run_command($screen, $config,
+                            ['youtube-dl-wrapper', $match->{value}]);
             });
         }
         handler_url(@_);
@@ -1340,7 +1339,7 @@ eval {
     while (1) {
         if (not defined $mapping) {
             $key = $screen->getch unless defined $key;
-            debug \%config, 'input', "got key '$key'";
+            $screen->debug('input', "got key '$key'");
 
             $mapping = $config{mapping}{mode}{$key};
             $mapping = $config{mapping}{simple}{$key} unless defined $mapping;
@@ -1350,22 +1349,22 @@ eval {
             }
         }
 
-        debug \%config, 'input', 'running mapping';
+        $screen->debug('input', 'running mapping');
         my $result = $mapping->($key, $screen, \%config, $input);
         $mapping = undef;
 
 RESULT:
         if (defined $result->{quit}) {
-            debug \%config, 'input', 'quitting';
+            $screen->debug('input', 'quitting');
             last;
         }
         if (defined $result->{key}) {
             $key = $result->{key}; # lookup another mapping
-            debug \%config, 'input', "processing new key: '$key'";
+            $screen->debug('input', "processing new key: '$key'");
             next;
         }
         if (defined $result->{select}) {
-            debug \%config, 'input', 'selecting match';
+            $screen->debug('input', 'selecting match');
             my $tmp = $result;
             $result = select_match($result->{select},
                                 $screen, \%config, $input,
@@ -1375,7 +1374,7 @@ RESULT:
             goto RESULT; # reprocess special entries in result
         }
         if (defined $result->{extend}) {
-            debug \%config, 'input', 'extending match';
+            $screen->debug('input', 'extending match');
             $result = extend_match($screen, \%config, $input,
                                    $result->{match});
             goto RESULT; # reprocess special entries in result
@@ -1385,7 +1384,7 @@ RESULT:
                 $result->{match}{value} = $result->{match}{string};
             }
 
-            debug \%config, 'input', 'running handler';
+            $screen->debug('input', 'running handler');
 
             # Choose handler with falling priority.
             my @handlers = (