Trim search query.

env/strings.cpp

@@ -5,10 +5,17 @@
 
 #include "../3rdparty/utf8proc/utf8proc.h"
 
+#include <boost/algorithm/string.hpp>
+
 
 namespace str
 {
 
+void Trim(string & s)
+{
+  boost::trim(s);
+}
+
 string MakeNormalizeAndLowerUtf8(string const & s)
 {
   int const count = static_cast<int>(s.size());

env/strings.hpp

@@ -14,6 +14,8 @@ template <class T> string ToString(T const & t)
   return ss.str();
 }
 
+void Trim(string & s);
+
 string MakeNormalizeAndLowerUtf8(string const & s);
 
 template <class IterT>

storage/storage.cpp

@@ -42,7 +42,10 @@ void Storage::QueryArticleInfo(string const & prefix, double lat, double lon)
 {
   m_lastQuery.clear();
 
-  if (prefix.empty())
+  string query = prefix;
+  str::Trim(query);
+
+  if (query.empty())
   {
     size_t const count = m_info.size();
     m_lastQuery.reserve(count);
@@ -57,7 +60,7 @@ void Storage::QueryArticleInfo(string const & prefix, double lat, double lon)
     // find range of articles by input query
     typedef vector<ArticleInfo>::iterator IterT;
     pair<IterT, IterT> range = equal_range(m_info.begin(), m_info.end(),
-                                           str::MakeNormalizeAndLowerUtf8(prefix),
+                                           str::MakeNormalizeAndLowerUtf8(query),
                                            ArticleInfo::LessPrefix());
 
     // filter duplicating redirects