/*
* This file is part of the GROMACS molecular simulation package.
*
- * Copyright (c) 2010,2011,2012, by the GROMACS development team, led by
- * David van der Spoel, Berk Hess, Erik Lindahl, and including many
- * others, as listed in the AUTHORS file in the top-level source
- * directory and at http://www.gromacs.org.
+ * Copyright (c) 2010,2011,2012,2014, by the GROMACS development team, led by
+ * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
+ * and including many others, as listed in the AUTHORS file in the
+ * top-level source directory and at http://www.gromacs.org.
*
* GROMACS is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
#include <string>
-#include "../utility/common.h"
-#include "../utility/gmxassert.h"
-
-#include "abstractoption.h"
+#include "gromacs/options/abstractoption.h"
+#include "gromacs/utility/common.h"
+#include "gromacs/utility/gmxassert.h"
namespace gmx
{
+template <typename T> class ConstArrayRef;
+
class AbstractOption;
class OptionsAssigner;
class OptionsIterator;
+/*! \brief
+ * Base class for option managers.
+ *
+ * This class is used as a marker for all classes that are used with
+ * Options::addManager(). It doesn't provide any methods, but only supports
+ * transporting these classes through the Options collection into the
+ * individual option implementation classes.
+ *
+ * The virtual destructor is present to make this class polymorphic, such that
+ * `dynamic_cast` can be used when retrieving a manager of a certain type for
+ * the individual options.
+ *
+ * \inlibraryapi
+ * \ingroup module_options
+ */
+class OptionManagerInterface
+{
+ protected:
+ virtual ~OptionManagerInterface();
+};
+
/*! \brief
* Collection of options.
*
options.addOption(StringOption("arg1").store(&arg1));
options.addOption(IntegerOption("arg2").store(&arg2));
return &options;
- * \endcode
+ \endcode
* The caller of that method can then use a parser implementation such as
* CommandLineParser to provide values for the options.
*
*
* \param[in] desc String to set as the description.
*
- * concatenateStrings() is useful for forming the input string.
+ * This overload is mainly useful if the description is very short.
+ * Currently this is mostly the case in unit testing.
*/
void setDescription(const std::string &desc);
- //int addBugs(int nbugs, const char *const *bugs);
+ /*! \brief
+ * Sets the full description of the option collection from string array.
+ *
+ * \param[in] descArray String array to set as the description.
+ *
+ * All strings in `descArray` are concatenated to form the description.
+ * Spaces are inserted between strings if they are missing.
+ *
+ * Example usage:
+ * \code
+ const char *const desc[] = {
+ "This is the description",
+ "for the options"
+ };
+
+ gmx::Options options(NULL, NULL);
+ options.setDescription(desc);
+ \endcode
+ *
+ * To use this overload, you must also include
+ * `gromacs/utility/arrayref.h`.
+ */
+ void setDescription(const ConstArrayRef<const char *> &descArray);
+
+ /*! \brief
+ * Adds an option manager.
+ *
+ * \param manager Manager to add.
+ * \throws std::bad_alloc if out of memory.
+ *
+ * Option managers are used by some types of options that require
+ * interaction between different option instances (e.g., selection
+ * options), or need to support globally set properties (e.g., a global
+ * default file prefix). Option objects can retrieve the pointer to
+ * their manager when they are created, and the caller can alter the
+ * behavior of the options through the manager.
+ * See the individual managers for details.
+ *
+ * Caller is responsible for memory management of \p manager.
+ * The Options object (and its contained options) only stores a
+ * reference to the object.
+ *
+ * This method cannot be called after adding options or subsections.
+ */
+ void addManager(OptionManagerInterface *manager);
/*! \brief
* Adds an option collection as a subsection of this collection.
* subsection. If an attempt is made to add two different subsections
* with the same name, this function asserts.
*
- * For certain functionality to work properly, no options should
- * be added to the subsection after it has been added to another
- * collection.
+ * \p section should not have any options added at the point this
+ * method is called.
*
* Only a pointer to the provided object is stored. The caller is
* responsible that the object exists for the lifetime of the