From 93f0a60e535c9e2254e85414fc5be07d4e55abc6 Mon Sep 17 00:00:00 2001
From: yhe <eflyjason@gmail.com>
Date: Tue, 5 Jul 2016 05:20:30 +0000
Subject: [PATCH] return if content dont contain Chinese and result don't
 contain special Pinyin character (e.g. yes3)

---
 lib/DDG/Goodie/ChineseToPinyin.pm | 8 ++++++++
 t/ChineseToPinyin.t               | 1 +
 2 files changed, 9 insertions(+)

diff --git a/lib/DDG/Goodie/ChineseToPinyin.pm b/lib/DDG/Goodie/ChineseToPinyin.pm
index 6c9eb650e..4c46e7492 100644
--- a/lib/DDG/Goodie/ChineseToPinyin.pm
+++ b/lib/DDG/Goodie/ChineseToPinyin.pm
@@ -97,6 +97,14 @@ handle remainder_lc => sub {
     my $result = $h2p->han2pinyin($spacedChineseString);
     $result = ConvertTone($result);
     
+    # if content dont contain Chinese
+    if(!(/[\p{Han}]/)){
+        # and result don't contain special Pinyin character
+        if ($result !~ m/[āáǎàēéěèīíǐìōóǒòūúǔùǜǘǚǜ]/) {
+            return;
+        }
+    }
+    
     return "Pinyin of $_ is \"$result\"",
         structured_answer => {
         data => {
diff --git a/t/ChineseToPinyin.t b/t/ChineseToPinyin.t
index 1ac38855b..0f637a19b 100644
--- a/t/ChineseToPinyin.t
+++ b/t/ChineseToPinyin.t
@@ -54,6 +54,7 @@ ddg_goodie_test(
     # Try to include some examples of queries on which it might
     # appear that your answer will trigger, but does not.
     'pinyin ' => undef,
+    'pinyin yes3' => undef,
     'pinyin how are you?' => undef,
     'pinyin zhōng guó' => undef,
 );