From d30b4d66828b31823af1885d48a07825b4b570ee Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Wed, 10 Jul 2013 02:23:13 -0400
Subject: autocomplete for commands (fixes #18)

---
 lib/Reply/Plugin.pm                       |  8 ++++++++
 lib/Reply/Plugin/Autocomplete/Commands.pm | 19 +++++++++++++++++++
 lib/Reply/Plugin/Autocomplete/Keywords.pm |  1 +
 lib/Reply/Plugin/Autocomplete/Packages.pm |  1 +
 4 files changed, 29 insertions(+)
 create mode 100644 lib/Reply/Plugin/Autocomplete/Commands.pm

diff --git a/lib/Reply/Plugin.pm b/lib/Reply/Plugin.pm
index ed3efbb..f17b135 100644
--- a/lib/Reply/Plugin.pm
+++ b/lib/Reply/Plugin.pm
@@ -3,6 +3,8 @@ use strict;
 use warnings;
 # ABSTRACT: base class for Reply plugins
 
+use Reply::Util 'methods';
+
 =head1 SYNOPSIS
 
   package Reply::Plugin::Foo;
@@ -183,6 +185,12 @@ sub publish {
     $self->{publisher}->(@_);
 }
 
+sub commands {
+    my $self = shift;
+
+    return map { s/^command_//; $_ } grep { /^command_/ } methods($self);
+}
+
 =for Pod::Coverage
   new
 
diff --git a/lib/Reply/Plugin/Autocomplete/Commands.pm b/lib/Reply/Plugin/Autocomplete/Commands.pm
new file mode 100644
index 0000000..ec86208
--- /dev/null
+++ b/lib/Reply/Plugin/Autocomplete/Commands.pm
@@ -0,0 +1,19 @@
+package Reply::Plugin::Autocomplete::Commands;
+use strict;
+use warnings;
+
+use base 'Reply::Plugin';
+
+sub tab_handler {
+    my $self = shift;
+    my ($line) = @_;
+
+    my ($prefix) = $line =~ /^#(.*)/;
+    return unless defined $prefix;
+
+    my @commands = $self->publish('commands');
+
+    return map { "#$_" } sort grep { index($_, $prefix) == 0 } @commands;
+}
+
+1;
diff --git a/lib/Reply/Plugin/Autocomplete/Keywords.pm b/lib/Reply/Plugin/Autocomplete/Keywords.pm
index 9e22ae4..ee863d1 100644
--- a/lib/Reply/Plugin/Autocomplete/Keywords.pm
+++ b/lib/Reply/Plugin/Autocomplete/Keywords.pm
@@ -25,6 +25,7 @@ sub tab_handler {
 
     my ($before, $last_word) = $line =~ /(.*?)(\w+)$/;
     return unless $last_word;
+    return if $before =~ /^#/; # command
     return if $before =~ /::$/; # Package::function call
     return if $before =~ /->\s*$/; # method call
     return if $before =~ /[\$\@\%\&\*]\s*$/;
diff --git a/lib/Reply/Plugin/Autocomplete/Packages.pm b/lib/Reply/Plugin/Autocomplete/Packages.pm
index 91306c4..c2bb6a0 100644
--- a/lib/Reply/Plugin/Autocomplete/Packages.pm
+++ b/lib/Reply/Plugin/Autocomplete/Packages.pm
@@ -29,6 +29,7 @@ sub tab_handler {
     # $module_name_rx does not permit trailing ::
     my ($before, $package_fragment) = $line =~ /(.*?)(${module_name_rx}:?:?)$/;
     return unless $package_fragment;
+    return if $before =~ /^#/; # command
     return if $before =~ /->\s*$/; # method call
     return if $before =~ /[\$\@\%\&\*]\s*$/;
 
-- 
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