1 files changed, 58 insertions, 0 deletions
diff --git a/compiler/pepper-csv2vec/src/pepper-csv2vec.cpp b/compiler/pepper-csv2vec/src/pepper-csv2vec.cpp
new file mode 100644
index 000000000..8b56ec883
--- /dev/null
+++ b/compiler/pepper-csv2vec/src/pepper-csv2vec.cpp
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "pepper/csv2vec.h"
+
+#include <algorithm>
+#include <sstream>
+#include <cassert>
+
+namespace pepper
+{
+
+template <> std::vector<std::string> csv_to_vector(const std::string &str)
+{
+  std::vector<std::string> ret;
+  std::istringstream is(str);
+  for (std::string item; std::getline(is, item, ',');)
+  {
+    ret.push_back(item);
+  }
+  return ret;
+}
+
+// TODO merge std::string and int32_t type
+
+template <> std::vector<int32_t> csv_to_vector(const std::string &str)
+{
+  std::vector<int32_t> ret;
+  std::istringstream is(str);
+  for (int32_t i; is >> i;)
+  {
+    assert(i != ',');
+    ret.push_back(i);
+    if (is.peek() == ',')
+      is.ignore();
+  }
+  return ret;
+}
+
+template <> bool is_one_of(const std::string &item, const std::vector<std::string> &items)
+{
+  return std::find(items.begin(), items.end(), item) != items.end();
+}
+
+} // namespace pepper