jtag memory interface working

tools/argparse.hpp

@@ -0,0 +1,63 @@
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+class ArgParser {
+public:
+    struct StringOption {
+        std::string name;
+        std::string default_value;
+        std::string help;
+        bool required;
+    };
+
+    struct IntOption {
+        std::string name;
+        int default_value;
+        std::string help;
+        bool required;
+    };
+
+    explicit ArgParser(std::string program_name);
+
+    void addString(const std::string &name,
+                   const std::string &default_value,
+                   const std::string &help,
+                   bool required = false);
+
+    void addInt(const std::string &name,
+                int default_value,
+                const std::string &help,
+                bool required = false);
+
+    bool parse(int argc, char **argv, std::string *error);
+
+    bool has(const std::string &name) const;
+    std::string getString(const std::string &name) const;
+    int getInt(const std::string &name) const;
+
+    std::string helpText() const;
+
+private:
+    enum class OptionType {
+        kString,
+        kInt
+    };
+
+    struct OptionMeta {
+        OptionType type;
+        std::string help;
+        bool required;
+    };
+
+    std::string program_name_;
+    std::vector<std::string> order_;
+    std::unordered_map<std::string, OptionMeta> meta_;
+
+    std::unordered_map<std::string, std::string> string_values_;
+    std::unordered_map<std::string, int> int_values_;
+    std::unordered_map<std::string, bool> provided_;
+};