From: Simon Ruderich <simon@ruderich.org>
Date: Sat, 23 Jan 2016 23:04:02 +0000 (+0100)
Subject: make handlers configurable via $config{handler}{..}
X-Git-Url: https://ruderich.org/simon/gitweb/?p=fcscs%2Ffcscs.git;a=commitdiff_plain;h=34457d80b6c3dab5820e5e1306f8acf0ce77cd13

make handlers configurable via $config{handler}{..}
---

diff --git a/bin/fcscs b/bin/fcscs
index 25a5302..675b7f2 100755
--- a/bin/fcscs
+++ b/bin/fcscs
@@ -548,7 +548,7 @@ sub mapping_paste {
 
     debug $config, 'mapping_paste', 'started';
 
-    $config->{state}{handler} = \&handler_paste;
+    $config->{state}{handler} = $config->{handler}{paste};
 
     $screen->prompt(flags => 'P'); # paste
     $screen->draw_prompt($config);
@@ -561,7 +561,7 @@ sub mapping_yank {
 
     debug $config, 'mapping_yank', 'started';
 
-    $config->{state}{handler} = \&handler_yank;
+    $config->{state}{handler} = $config->{handler}{yank};
 
     $screen->prompt(flags => 'Y'); # yank
     $screen->draw_prompt($config);
@@ -580,7 +580,7 @@ sub mapping_mode_path {
     return {
         select  => 'path select',
         matches => \@matches,
-        handler => \&handler_yank,
+        handler => $config->{handler}{yank},
     };
 }
 sub mapping_mode_url {
@@ -592,7 +592,7 @@ sub mapping_mode_url {
     return {
         select  => 'url select',
         matches => \@matches,
-        handler => \&handler_url,
+        handler => $config->{handler}{url},
     };
 }
 
@@ -651,7 +651,7 @@ sub mapping_mode_search {
     return {
         select  => 'search',
         matches => \@last_matches,
-        handler => \&handler_yank,
+        handler => $config->{handler}{yank},
     };
 }
 
@@ -967,6 +967,45 @@ my %regex = (
     path => qr{(~?[a-zA-Z0-9_./-]*/[a-zA-Z0-9_./-]+)},
 );
 
+=head2 HANDLERS
+
+Handlers are used to perform actions on the selected string.
+
+The following handlers are available, defaults in parentheses.
+
+=over
+
+=item B<yank>  used to yank (copy) selection to paste buffer (C<\&handler_yank>)
+
+=item B<paste> used to paste selection into window (C<\&handler_paste>)
+
+=item B<url>   used to open URLs (e.g. in a browser) (C<\&handler_url>)
+
+=back
+
+Example:
+
+    # Download YouTube videos with a custom wrapper, handle all other URLs
+    # with the default URL handler.
+    $config{handler}{url} = sub {
+        my ($screen, $config, $match) = @_;
+
+        my $url = defined $match->{url} ? $match->{url} : $match->{string};
+        if ($url =~ m{^https://www.youtube.com/}) {
+            return run_in_background($config, sub {
+                run_command($config, ['youtube-dl-wrapper', $url]);
+            });
+        }
+        handler_url(@_);
+    };
+
+=cut
+my %handler = (
+    yank  => \&handler_yank,
+    paste => \&handler_paste,
+    url   => \&handler_url,
+);
+
 my %state = (
     initial => 1, # used by select_match() for 'initial_mode'
     handler => undef,
@@ -998,9 +1037,7 @@ Used as mappings, see L</MAPPINGS> above.
     handler_paste()
     handler_url()
 
-Used as handler to yank, paste selection or open URL in browser. They are
-either set by the matching mapping function (C<mapping_paste()>, etc.) or
-configured by the current mode.
+Used as handler to yank, paste selection or open URL in browser.
 
     get_regex_matches()
     select_match()
@@ -1055,6 +1092,7 @@ $config{mapping}{simple} = \%mapping_simple;
 $config{attribute}       = \%attribute;
 $config{setting}         = \%setting;
 $config{regex}           = \%regex;
+$config{handler}         = \%handler;
 $config{state}           = \%state;
 
 package Fcscs {
@@ -1176,7 +1214,7 @@ RESULT:
             debug \%config, 'input', 'running handler';
             my $handler = $config{state}{handler};                 # set by user
             $handler = $result->{handler} unless defined $handler; # set by mapping
-            $handler = \&handler_yank     unless defined $handler; # fallback
+            $handler = $config{handler}{yank} unless defined $handler; # fallback
             $handler->($screen, \%config, $result->{match});
             last;
         }