Add make_unique.hpp and split.hpp

2 files changed, 99 insertions, 0 deletions

diff --git a/src/utils/make_unique.hpp b/src/utils/make_unique.hpp
new file mode 100644
index 0000000..67964c8
--- /dev/null
+++ b/src/utils/make_unique.hpp
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2012 Nathan L. Binkert <nate@binkert.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __MAKE_UNIQUE_HH__
+#define __MAKE_UNIQUE_HH__
+
+#include <memory>
+
+namespace std {
+namespace detail {
+
+// helper to construct a non-array unique_ptr
+template <typename T>
+struct make_unique_helper {
+  typedef std::unique_ptr<T> unique_ptr;
+
+  template <typename... Args>
+  static inline unique_ptr make(Args&&... args) {
+    return unique_ptr(new T(std::forward<Args>(args)...));
+  }
+};
+
+// helper to construct an array unique_ptr
+template<typename T>
+struct make_unique_helper<T[]> {
+  typedef std::unique_ptr<T[]> unique_ptr;
+
+  template <typename... Args>
+  static inline unique_ptr make(Args&&... args) {
+    return unique_ptr(new T[sizeof...(Args)]{std::forward<Args>(args)...});
+}
+};
+
+// helper to construct an array unique_ptr with specified extent
+template<typename T, std::size_t N>
+struct make_unique_helper<T[N]> {
+  typedef std::unique_ptr<T[]> unique_ptr;
+
+  template <typename... Args>
+  static inline unique_ptr make(Args&&... args) {
+    static_assert(N >= sizeof...(Args),
+        "For make_unique<T[N]> N must be as largs as the number of arguments");
+    return unique_ptr(new T[N]{std::forward<Args>(args)...});
+  }
+
+#if __GNUC__ == 4 && __GNUC_MINOR__ <= 6
+  // G++ 4.6 has an ICE when you have no arguments
+  static inline unique_ptr make() {
+    return unique_ptr(new T[N]);
+  }
+#endif
+};
+
+
+} // namespace detail
+
+template <typename T, typename... Args>
+inline typename detail::make_unique_helper<T>::unique_ptr
+make_unique(Args&&... args) {
+  return detail::make_unique_helper<T>::make(std::forward<Args>(args)...);
+}
+
+}  // namespace std
+
+#endif  // __MAKE_UNIQUE_HH__
diff --git a/src/utils/split.hpp b/src/utils/split.hpp
new file mode 100644
index 0000000..0067131
--- /dev/null
+++ b/src/utils/split.hpp
@@ -0,0 +1,21 @@
+#ifndef SPLIT_INCLUDED
+# define SPLIT_INCLUDED
+
+#include <string>
+#include <sstream>
+#include <vector>
+
+namespace utils
+{
+  std::vector<std::string> split(const std::string &s, const char delim)
+  {
+    std::vector<std::string> ret;
+    std::stringstream ss(s);
+    std::string item;
+    while (std::getline(ss, item, delim))
+      ret.emplace_back(std::move(item));
+    return ret;
+  }
+}
+
+#endif // SPLIT_INCLUDED