From c7350fe933afb84e0cded4b9ed4af93c9279c868 Mon Sep 17 00:00:00 2001
From: vng <viktor.govako@gmail.com>
Date: Wed, 30 Sep 2015 13:19:01 +0300
Subject: [PATCH] [search] Fixed search for Apple-specific emoji variations.

---
 search/search_query.cpp | 18 ++++++++++++++++++
 search/search_query.hpp |  2 ++
 2 files changed, 20 insertions(+)

diff --git a/search/search_query.cpp b/search/search_query.cpp
index 28b64367fc..20eb6aac90 100644
--- a/search/search_query.cpp
+++ b/search/search_query.cpp
@@ -368,16 +368,34 @@ void Query::ForEachCategoryTypes(ToDo toDo) const
     {
       for (int j = 0; j < localesCount; ++j)
         m_pCategories->ForEachTypeByName(arrLocales[j], m_tokens[i], bind<void>(ref(toDo), i, _1));
+
+      ProcessEmojiIfNeeded(m_tokens[i], i, toDo);
     }
 
     if (!m_prefix.empty())
     {
       for (int j = 0; j < localesCount; ++j)
         m_pCategories->ForEachTypeByName(arrLocales[j], m_prefix, bind<void>(ref(toDo), tokensCount, _1));
+
+      ProcessEmojiIfNeeded(m_prefix, tokensCount, toDo);
     }
   }
 }
 
+template <class ToDo>
+void Query::ProcessEmojiIfNeeded(strings::UniString const & token, size_t ind, ToDo & toDo) const
+{
+  // Special process of 2 codepoints emoji (e.g. black guy on a bike).
+  // Only emoji synonyms can have one codepoint.
+  if (token.size() > 1)
+  {
+    static int8_t const enLocaleCode = CategoriesHolder::MapLocaleToInteger("en");
+
+    m_pCategories->ForEachTypeByName(enLocaleCode, strings::UniString(1, token[0]),
+                                     bind<void>(ref(toDo), ind, _1));
+  }
+}
+
 void Query::SetQuery(string const & query)
 {
   m_query = &query;
diff --git a/search/search_query.hpp b/search/search_query.hpp
index 10c45a6f76..1c4236859f 100644
--- a/search/search_query.hpp
+++ b/search/search_query.hpp
@@ -129,6 +129,8 @@ private:
 
   int GetCategoryLocales(int8_t (&arr) [3]) const;
   template <class ToDo> void ForEachCategoryTypes(ToDo toDo) const;
+  template <class ToDo> void ProcessEmojiIfNeeded(
+      strings::UniString const & token, size_t ind, ToDo & toDo) const;
 
   using TMWMVector = vector<shared_ptr<MwmInfo>>;
   using TOffsetsVector = map<MwmSet::MwmId, vector<uint32_t>>;