TextConverter: Sorted static trigger words into to and from categories (#4490)

* TextConverter: Sorted static trigger words into to and from categories

* TextConverter: Moved to and from trigger words out of handle

Author: tossj

lib/DDG/Goodie/TextConverter.pm

@@ -35,6 +35,14 @@ my @merged_triggers = (@single_triggers, @triggers);
 my $triggers_re = join "|", @merged_triggers;
 my $generics_re = join "|", @generics;
 
+# for static language based triggers e.g. 'base64 decode'
+# these words mean we want to go from the type in the query to text
+my @from_words = ('decoder', 'decode', 'converter', 'translator');
+my $from_words_re = join '|', @from_words;
+# these words mean we want to go from text to the type in the query
+my @to_words = ('encode', 'encoder', 'translation', 'translate', 'convert', 'conversion');
+my $to_words_re = join '|', @to_words;
+
 for my $trig (@triggers) {
     push @lang_triggers, map { "$trig $_" } @generics;
 }
@@ -89,7 +97,11 @@ handle query_lc => sub {
     # check to see if query is a static language based trigger
     # eg. binary converter, hex encoder
     if(grep(/^$query$/, @lang_triggers)) {
-        $to_type = get_type_information($query);
+        if ($query =~ /${from_words_re}/gi) {
+            $from_type = get_type_information($query);
+        } elsif ($query =~ /${to_words_re}/gi) {
+            $to_type = get_type_information($query);            
+        }
 
         return '',
             structured_answer => {

t/TextConverter.t

@@ -50,22 +50,22 @@ ddg_goodie_test(
 
     'binary converter' => test_zci(
         '', structured_answer => build_structured_answer({
-            from_type => '',
-            to_type => 'binary'
+            from_type => 'binary',
+            to_type => ''
         })
     ),
 
     'hex converter' => test_zci(
         '', structured_answer => build_structured_answer({
-            from_type => '',
-            to_type => 'hexadecimal'
+            from_type => 'hexadecimal',
+            to_type => ''
         })
     ),
 
     'ascii converter' => test_zci(
         '', structured_answer => build_structured_answer({
-            from_type => '',
-            to_type => 'text'
+            from_type => 'text',
+            to_type => ''
         })
     ),
 
@@ -83,6 +83,27 @@ ddg_goodie_test(
         })
     ),
 
+    'base64 decoder' => test_zci(
+        '', structured_answer => build_structured_answer({
+            from_type => 'base64',
+            to_type => ''
+        })
+    ),
+
+    'hex translator' => test_zci(
+        '', structured_answer => build_structured_answer({
+            from_type => 'hexadecimal',
+            to_type => ''
+        })
+    ),
+
+    'binary translation' => test_zci(
+        '', structured_answer => build_structured_answer({
+            from_type => '',
+            to_type => 'binary'
+        })
+    ),
+
     ##
     ## 2. LANGUAGE BASED QUERIES
     ##