Add option file for the CLI compiler itself

1 files changed, 230 insertions, 0 deletions

diff --git a/cli/options.hxx b/cli/options.hxx
new file mode 100644
index 0000000..37ec251
--- /dev/null
+++ b/cli/options.hxx
@@ -0,0 +1,230 @@
+// This code was generated by CLI, a command line interface
+// compiler for C++.
+//
+
+#ifndef OPTIONS_HXX
+#define OPTIONS_HXX
+
+#include <iosfwd>
+#include <string>
+#include <exception>
+
+namespace cli
+{
+  class unknown_mode
+  {
+    public:enum value
+    {
+      skip,
+      stop,
+      fail
+    };
+
+    unknown_mode (value v)
+    : v_ (v) 
+    {
+    }
+
+    operator value () const 
+    {
+      return v_;
+    }
+
+    private:
+    value v_;
+  };
+
+  // Exceptions.
+  //
+
+  class exception: public std::exception
+  {
+    public:
+    virtual void
+    print (std::ostream&) const = 0;
+  };
+
+  inline std::ostream&
+  operator<< (std::ostream& os, const exception& e)
+  {
+    e.print (os);
+    return os;
+  }
+
+  class unknown_option: public exception
+  {
+    public:
+    virtual
+    ~unknown_option () throw ();
+
+    unknown_option (const std::string& option)
+    : option_ (option)
+    {
+    }
+
+    const std::string&
+    option () const
+    {
+      return option_;
+    }
+
+    virtual void
+    print (std::ostream&) const;
+
+    virtual const char*
+    what () const throw ();
+
+    private:
+    std::string option_;
+  };
+
+  class unknown_argument: public exception
+  {
+    public:
+    virtual
+    ~unknown_argument () throw ();
+
+    unknown_argument (const std::string& argument)
+    : argument_ (argument)
+    {
+    }
+
+    const std::string&
+    argument () const
+    {
+      return argument_;
+    }
+
+    virtual void
+    print (std::ostream&) const;
+
+    virtual const char*
+    what () const throw ();
+
+    private:
+    std::string argument_;
+  };
+
+  class missing_value: public exception
+  {
+    public:
+    virtual
+    ~missing_value () throw ();
+
+    missing_value (const std::string& option)
+    : option_ (option)
+    {
+    }
+
+    const std::string&
+    option () const
+    {
+      return option_;
+    }
+
+    virtual void
+    print (std::ostream&) const;
+
+    virtual const char*
+    what () const throw ();
+
+    private:
+    std::string option_;
+  };
+
+  class invalid_value: public exception
+  {
+    public:
+    virtual
+    ~invalid_value () throw ();
+
+    invalid_value (const std::string& option,
+                   const std::string& value)
+    : option_ (option),  value_ (value)
+    {
+    }
+
+    const std::string&
+    option () const
+    {
+      return option_;
+    }
+
+    const std::string&
+    value () const
+    {
+      return value_;
+    }
+
+    virtual void
+    print (std::ostream&) const;
+
+    virtual const char*
+    what () const throw ();
+
+    private:
+    std::string option_;
+    std::string value_;
+  };
+}
+
+#include <string>
+
+#include <vector>
+
+class options
+{
+  public:
+
+  options (int argc,
+           char** argv,
+           ::cli::unknown_mode option = ::cli::unknown_mode::fail,
+           ::cli::unknown_mode argument = ::cli::unknown_mode::stop);
+
+  options (int start,
+           int argc,
+           char** argv,
+           ::cli::unknown_mode option = ::cli::unknown_mode::fail,
+           ::cli::unknown_mode argument = ::cli::unknown_mode::stop);
+
+  options (int argc,
+           char** argv,
+           int& end,
+           ::cli::unknown_mode option = ::cli::unknown_mode::fail,
+           ::cli::unknown_mode argument = ::cli::unknown_mode::stop);
+
+  options (int start,
+           int argc,
+           char** argv,
+           int& end,
+           ::cli::unknown_mode option = ::cli::unknown_mode::fail,
+           ::cli::unknown_mode argument = ::cli::unknown_mode::stop);
+
+  // Option accessors.
+  //
+  public:
+
+  bool const&
+  help () const;
+
+  bool const&
+  version () const;
+
+  std::string const&
+  output_dir () const;
+
+  private:
+  int
+  _parse (int start,
+          int argc,
+          char** argv,
+          ::cli::unknown_mode option,
+          ::cli::unknown_mode argument);
+
+  public:
+  bool help_;
+  bool version_;
+  std::string output_dir_;
+};
+
+#endif // OPTIONS_HXX