1 files changed, 30 insertions, 0 deletions
diff --git a/security/nss/nss-tool/common/argparse.h b/security/nss/nss-tool/common/argparse.h
new file mode 100644
index 000000000..8645d5aaa
--- /dev/null
+++ b/security/nss/nss-tool/common/argparse.h
@@ -0,0 +1,30 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef argparse_h__
+#define argparse_h__
+
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+class ArgParser {
+ public:
+  ArgParser(const std::vector<std::string>& arguments);
+
+  bool Has(std::string arg) const { return programArgs_.count(arg) > 0; }
+
+  std::string Get(std::string arg) const { return programArgs_.at(arg); }
+
+  size_t GetPositionalArgumentCount() const { return positionalArgs_.size(); }
+  std::string GetPositionalArgument(size_t pos) const {
+    return positionalArgs_.at(pos);
+  }
+
+ private:
+  std::unordered_map<std::string, std::string> programArgs_;
+  std::vector<std::string> positionalArgs_;
+};
+
+#endif  // argparse_h__