1 files changed, 23 insertions, 0 deletions
diff --git a/security/nss/nss-tool/common/argparse.cc b/security/nss/nss-tool/common/argparse.cc
new file mode 100644
index 0000000000..3b7c73891c
--- /dev/null
+++ b/security/nss/nss-tool/common/argparse.cc
@@ -0,0 +1,23 @@
+/* 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/. */
+
+#include "argparse.h"
+
+ArgParser::ArgParser(const std::vector<std::string>& arguments) {
+  for (size_t i = 0; i < arguments.size(); i++) {
+    std::string arg = arguments.at(i);
+    if (arg.find("--") == 0) {
+      // look for an option argument
+      if (i + 1 < arguments.size() && arguments.at(i + 1).find("--") != 0) {
+        programArgs_[arg] = arguments.at(i + 1);
+        i++;
+      } else {
+        programArgs_[arg] = "";
+      }
+    } else {
+      // positional argument (e.g. required argument)
+      positionalArgs_.push_back(arg);
+    }
+  }
+}