included targetrdf

targetrdf/param.hh

@@ -0,0 +1,53 @@
+//
+// Source code for the paper
+// 
+// D. Heck and T. Schloemer and O. Deussen, "Blue Noise Sampling with
+// Controlled Aliasing", ACM Trans. Graph., 2013, in press
+//
+// Copyright (C) 2012,2013 Daniel Heck and Thomas Schloemer
+//
+#ifndef PARAM_HH_INCLUDED
+#define PARAM_HH_INCLUDED
+
+#include <exception>
+#include <string>
+#include <vector>
+
+// Command line parsing. Parameters can be specified on the command 
+// line in one of the following forms:
+//
+//  --param value
+//  --param=value
+//  param=value
+
+struct Param {
+    std::string name;
+    std::string value;
+    bool set;                   // was specified on command line
+    bool used;                  // was queried by program
+};
+
+class ParamList {
+    std::vector<Param> list;
+public:
+    ParamList();
+
+    Param *Define(const std::string &key, const std::string &dflt);
+    void Parse(int argc, char **argv, std::vector<std::string> &remaining);
+
+    float GetFloat(const std::string &key);
+    float GetFloat(const std::string &key, float dflt);
+    int GetInt(const std::string &key, int dflt = 0);
+    std::string GetString(const std::string &key, std::string dflt = "");
+    bool GetBool(const std::string &key, bool dflt = false);
+
+    const Param *UnusedOption() const;
+
+    void Print() const;
+private:
+    Param *Set(const std::string &key, const std::string &val);
+    Param *Find(const std::string &key);
+    Param *Insert(const std::string &key);
+};
+
+#endif