add split string to vector int

bin/main.cpp

@@ -45,9 +45,12 @@ int main(int argc, char *argv[])
 {
   {// ex: string::split_str
     std::string str { "asdf,qwer,zxcv" };
+    std::string str_int { "1 2 3" };
     hack::string::v_str v = hack::string::split_str(str, ',');
+    auto v_int = hack::string::split_stoi(str_int, ' ');
     hack::log log;
     for (const auto& c : v) log(c);
+    for (const auto& c : v_int) log(c);
 
     std::string str_2 { "qqq,aaa:eee,ggg" };
     hack::string::v_str v_2 = hack::string::split_str(str_2, ",:");

src/string/string.hpp

@@ -9,6 +9,7 @@
 namespace hack::string
 {
   using v_str = std::vector<std::string>;
+  using v_int_str = std::vector<int>;
 
   template<typename T>
   v_str split_str(const std::string& str, T t)
@@ -25,6 +26,26 @@ namespace hack::string
       end = str.find_first_of(t, begin);
     }
     v.emplace_back(str.substr(begin));
+
+    return v;
+  }
+
+  template<typename T>
+  v_int_str split_stoi(const std::string& str, T t)
+  {
+    v_int_str v;
+
+    std::string::size_type begin = 0;
+    std::string::size_type end = str.find_first_of(t);
+    
+    while(end != std::string::npos)
+    {
+      v.emplace_back(std::stoi(str.substr(begin, end - begin)));
+      begin = ++end;
+      end = str.find_first_of(t, begin);
+    }
+    v.emplace_back(std::stoi(str.substr(begin)));
+
     return v;
   }
 }

tests/string.cpp

@@ -14,3 +14,9 @@ TEST(split_str, check)
   ASSERT_EQ(hack::string::split_str("qqq,aaa:eee,sss", ":,"), v1);
 
 }
+
+TEST(split_stoi, check)
+{
+  std::vector<int> v { 1, 2, 3 };
+  ASSERT_EQ(hack::string::split_stoi("1 2 3", ' '), v);
+}