Restructure

emulator/include/args.h

@@ -0,0 +1,61 @@
+/*******************************************************************************
+ HARPtools by Chad D. Kersey, Summer 2011
+*******************************************************************************/
+#ifndef __ARGS_H
+#define __ARGS_H
+
+#include <iostream>
+#include <string>
+#include <sstream>
+#include <map>
+
+namespace HarpTools {
+  struct BadArg { BadArg(std::string s) : arg(s) {} std::string arg; };
+
+  class CommandLineArg {
+  public:
+    CommandLineArg(std::string s, std::string l, const char *helpText);
+    CommandLineArg(std::string l, const char *helpText);
+    virtual int read(int argc, char** argv) = 0;
+
+    static void readArgs(int argc, char **argv);
+    static void clearArgs();
+    static void showHelp(std::ostream &os);
+
+  private:
+    static std::string helpString;
+    static std::map<std::string, CommandLineArg *> longArgs;
+    static std::map<std::string, CommandLineArg *> shortArgs;
+  };
+
+  template <typename T> class CommandLineArgSetter : public CommandLineArg {
+  public:
+    CommandLineArgSetter(std::string s, std::string l, const char *ht, T &x) :
+      CommandLineArg(s, l, ht), x(x) {}
+    CommandLineArgSetter(std::string l, const char *ht, T &x) :
+      CommandLineArg(l, ht), x(x) {}
+
+    int read(int argc, char **argv) {
+      std::istringstream iss(argv[1]);
+      iss >> x;
+      return 1;
+    }
+  private:
+    T &x;
+  };
+
+  class CommandLineArgFlag : public CommandLineArg {
+  public:
+    CommandLineArgFlag(std::string s, std::string l, const char *ht, bool &x) :
+      CommandLineArg(s, l, ht), x(x) { x = false; }
+    CommandLineArgFlag(std::string l, const char *ht, bool &x) :
+      CommandLineArg(l, ht), x(x) { x = false; }
+
+    int read(int argc, char **argv) { x = true; return 0; }
+  private:
+    bool &x;
+  };
+  
+};
+
+#endif