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/*! \file
* \brief
- * Declares option settings objects for basic option types.
+ * Declares option objects for basic option types.
*
* Together with options.h, this header forms the part of the public API
* that most classes will use to provide options.
*
- * \author Teemu Murtola <teemu.murtola@cbr.su.se>
+ * \author Teemu Murtola <teemu.murtola@gmail.com>
* \inpublicapi
* \ingroup module_options
*/
#include <string>
+#include "../utility/basedefinitions.h"
#include "../utility/gmxassert.h"
#include "abstractoption.h"
namespace gmx
{
+class BooleanOptionInfo;
+class BooleanOptionStorage;
+class IntegerOptionInfo;
class IntegerOptionStorage;
+class Int64OptionInfo;
+class Int64OptionStorage;
+class DoubleOptionInfo;
class DoubleOptionStorage;
+class FloatOptionInfo;
+class FloatOptionStorage;
+class StringOptionInfo;
class StringOptionStorage;
/*! \addtogroup module_options
*
* Example:
* \code
-bool bPBC;
-using gmx::BooleanOption;
-options.addOption(BooleanOption("pbc").store(&bPBC));
+ bool bPBC;
+ using gmx::BooleanOption;
+ options.addOption(BooleanOption("pbc").store(&bPBC));
* \endcode
*
* Public methods in this class do not throw.
class BooleanOption : public OptionTemplate<bool, BooleanOption>
{
public:
+ //! OptionInfo subclass corresponding to this option type.
+ typedef BooleanOptionInfo InfoType;
+
//! Initializes an option with the given name.
explicit BooleanOption(const char *name) : MyBase(name) {}
private:
//! Creates a BooleanOptionStorage object.
- virtual AbstractOptionStoragePointer createStorage() const;
+ virtual AbstractOptionStorage *createStorage(
+ const OptionManagerContainer &managers) const;
};
/*! \brief
*
* Examples:
* \code
-using gmx::IntegerOption;
-// Simple option
-int rcut = 0;
-options.addOption(IntegerOption("rcut").store(&rcut));
-// Vector-valued option
-int box[3] = {1, 1, 1}; // Default value
-options.addOption(IntegerOption("box").store(box).vector());
+ using gmx::IntegerOption;
+ // Simple option
+ int rcut = 0;
+ options.addOption(IntegerOption("rcut").store(&rcut));
+ // Vector-valued option
+ int box[3] = {1, 1, 1}; // Default value
+ options.addOption(IntegerOption("box").store(box).vector());
* \endcode
*
* Public methods in this class do not throw.
class IntegerOption : public OptionTemplate<int, IntegerOption>
{
public:
+ //! OptionInfo subclass corresponding to this option type.
+ typedef IntegerOptionInfo InfoType;
+
//! Initializes an option with the given name.
explicit IntegerOption(const char *name) : MyBase(name) {}
private:
//! Creates an IntegerOptionStorage object.
- virtual AbstractOptionStoragePointer createStorage() const;
+ virtual AbstractOptionStorage *createStorage(
+ const OptionManagerContainer &managers) const;
/*! \brief
* Needed to initialize IntegerOptionStorage from this class without
friend class IntegerOptionStorage;
};
+/*! \brief
+ * Specifies an option that provides 64-bit integer values.
+ *
+ * Public methods in this class do not throw.
+ *
+ * \see IntegerOption
+ *
+ * \inpublicapi
+ */
+class Int64Option : public OptionTemplate<gmx_int64_t, Int64Option>
+{
+ public:
+ //! OptionInfo subclass corresponding to this option type.
+ typedef Int64OptionInfo InfoType;
+
+ //! Initializes an option with the given name.
+ explicit Int64Option(const char *name) : MyBase(name) {}
+
+ private:
+ //! Creates an Int64OptionStorage object.
+ virtual AbstractOptionStorage *createStorage(
+ const OptionManagerContainer &managers) const;
+
+ /*! \brief
+ * Needed to initialize Int64OptionStorage from this class without
+ * otherwise unnecessary accessors.
+ */
+ friend class Int64OptionStorage;
+};
+
/*! \brief
* Specifies an option that provides floating-point (double) values.
*
class DoubleOption : public OptionTemplate<double, DoubleOption>
{
public:
+ //! OptionInfo subclass corresponding to this option type.
+ typedef DoubleOptionInfo InfoType;
+
//! Initializes an option with the given name.
- explicit DoubleOption(const char *name) : MyBase(name), _bTime(false)
+ explicit DoubleOption(const char *name) : MyBase(name), bTime_(false)
{
}
*
* By itself, this option does nothing. It marks the option as a time
* value such that TimeUnitManager::scaleTimeOptions() can process it.
- * In typical cases, Gromacs scales the time options just before
+ * In typical cases, \Gromacs scales the time options just before
* Options::finish() has been called, so the option value is only
* available after all option values have been processed.
* All values in the program are in ps (including any default value);
* user-provided values are scaled according to the time unit set in
* TimeUnitManager.
*/
- MyClass &timeValue() { _bTime = true; return me(); }
+ MyClass &timeValue() { bTime_ = true; return me(); }
private:
//! Creates a DoubleOptionStorage object.
- virtual AbstractOptionStoragePointer createStorage() const;
+ virtual AbstractOptionStorage *createStorage(
+ const OptionManagerContainer &managers) const;
- bool _bTime;
+ bool bTime_;
/*! \brief
* Needed to initialize DoubleOptionStorage from this class without
friend class DoubleOptionStorage;
};
+/*! \brief
+ * Specifies an option that provides floating-point (float) values.
+ *
+ * Public methods in this class do not throw.
+ *
+ * \see DoubleOption
+ *
+ * \inpublicapi
+ */
+class FloatOption : public OptionTemplate<float, FloatOption>
+{
+ public:
+ //! OptionInfo subclass corresponding to this option type.
+ typedef FloatOptionInfo InfoType;
+
+ //! Initializes an option with the given name.
+ explicit FloatOption(const char *name) : MyBase(name), bTime_(false)
+ {
+ }
+
+ //! \copydoc IntegerOption::vector()
+ MyClass &vector() { setVector(); return me(); }
+ //! \copydoc DoubleOption::timeValue()
+ MyClass &timeValue() { bTime_ = true; return me(); }
+
+ private:
+ //! Creates a FloatOptionStorage object.
+ virtual AbstractOptionStorage *createStorage(
+ const OptionManagerContainer &managers) const;
+
+ bool bTime_;
+
+ /*! \brief
+ * Needed to initialize FloatOptionStorage from this class without
+ * otherwise unnecessary accessors.
+ */
+ friend class FloatOptionStorage;
+};
+
/*! \brief
* Specifies an option that provides string values.
*
* Examples:
* \code
-using gmx::StringOption;
-// Simple option
-std::string str;
-options.addOption(StringOption("str").store(&str));
-// Option that only accepts predefined values
-const char * const allowed[] = { "atom", "residue", "molecule", NULL };
-std::string str;
-int type;
-options.addOption(StringOption("type").enumValue(allowed).store(&str)
- .storeEnumIndex(&type));
+ using gmx::StringOption;
+ // Simple option
+ std::string str;
+ options.addOption(StringOption("str").store(&str));
+ // Option that only accepts predefined values
+ const char * const allowed[] = { "atom", "residue", "molecule" };
+ std::string str;
+ int type;
+ options.addOption(StringOption("type").enumValue(allowed).store(&str)
+ .storeEnumIndex(&type));
* \endcode
*
* Public methods in this class do not throw.
class StringOption : public OptionTemplate<std::string, StringOption>
{
public:
+ //! OptionInfo subclass corresponding to this option type.
+ typedef StringOptionInfo InfoType;
+
//! Initializes an option with the given name.
explicit StringOption(const char *name)
- : MyBase(name), _enumValues(NULL), _defaultEnumIndex(-1),
- _enumIndexStore(NULL)
+ : MyBase(name), enumValues_(NULL), enumValuesCount_(0),
+ defaultEnumIndex_(-1), enumIndexStore_(NULL)
{
}
/*! \brief
* Sets the option to only accept one of a fixed set of strings.
*
- * \param[in] values Array of strings to accept, a NULL pointer
- * following the last string.
+ * \param[in] values Array of strings to accept.
*
* Also accepts prefixes of the strings; if a prefix matches more than
* one of the possible strings, the shortest one is used (in a tie, the
*
* The strings are copied once the option is created.
*/
- MyClass &enumValue(const char *const *values)
- { _enumValues = values; return me(); }
+ template <size_t count>
+ MyClass &enumValue(const char *const (&values)[count])
+ {
+ GMX_ASSERT(enumValues_ == NULL,
+ "Multiple sets of enumerated values specified");
+ enumValues_ = values;
+ enumValuesCount_ = count;
+ return me();
+ }
+ /*! \brief
+ * Sets the option to only accept one of a fixed set of strings.
+ *
+ * \param[in] values Array of strings to accept, with a NULL pointer
+ * following the last string.
+ *
+ * Works otherwise as the array version, but accepts a pointer to
+ * an array of undetermined length. The end of the array is indicated
+ * by a NULL pointer in the array.
+ *
+ * \see enumValue()
+ */
+ MyClass &enumValueFromNullTerminatedArray(const char *const *values)
+ {
+ GMX_ASSERT(enumValues_ == NULL,
+ "Multiple sets of enumerated values specified");
+ enumValues_ = values;
+ enumValuesCount_ = -1;
+ return me();
+ }
/*! \brief
* Sets the default value using an index into the enumeration table.
*
*/
MyClass &defaultEnumIndex(int index)
{
- GMX_RELEASE_ASSERT(index >= 0, "Invalid enumeration index");
- _defaultEnumIndex = index;
+ GMX_ASSERT(index >= 0, "Invalid enumeration index");
+ defaultEnumIndex_ = index;
return me();
}
/*! \brief
* The index (zero-based) of the selected value in the array \p values
* provided to enumValues() is written into \p *store after the
* option gets its value. If the option has not been provided,
- * and there is no default value, -1 is stored.
+ * and there is no default value, -1 is stored. If store(),
+ * storeVector() or defaultEnumIndex() is not present, the value in
+ * \p *store is kept as a default value, otherwise it is always
+ * overwritten.
*
* Cannot be specified without enumValue().
+ *
+ * \todo
+ * Implement this such that it is also possible to store the value
+ * directly into a real enum type.
*/
MyClass &storeEnumIndex(int *store)
- { _enumIndexStore = store; return me(); }
+ { enumIndexStore_ = store; return me(); }
private:
//! Creates a StringOptionStorage object.
- virtual AbstractOptionStoragePointer createStorage() const;
- virtual std::string createDescription() const;
+ virtual AbstractOptionStorage *createStorage(
+ const OptionManagerContainer &managers) const;
- const char *const *_enumValues;
- int _defaultEnumIndex;
- int *_enumIndexStore;
+ const char *const *enumValues_;
+ int enumValuesCount_;
+ int defaultEnumIndex_;
+ int *enumIndexStore_;
/*! \brief
* Needed to initialize StringOptionStorage from this class without
friend class StringOptionStorage;
};
+/*! \brief
+ * Wrapper class for accessing boolean option information.
+ *
+ * \inpublicapi
+ */
+class BooleanOptionInfo : public OptionInfo
+{
+ public:
+ //! Creates an option info object for the given option.
+ explicit BooleanOptionInfo(BooleanOptionStorage *option);
+
+ //! Returns the default value for this option.
+ bool defaultValue() const;
+
+ private:
+ const BooleanOptionStorage &option() const;
+};
+
+/*! \brief
+ * Wrapper class for accessing integer option information.
+ *
+ * \inpublicapi
+ */
+class IntegerOptionInfo : public OptionInfo
+{
+ public:
+ //! Creates an option info object for the given option.
+ explicit IntegerOptionInfo(IntegerOptionStorage *option);
+};
+
+/*! \brief
+ * Wrapper class for accessing 64-bit integer option information.
+ *
+ * \inpublicapi
+ */
+class Int64OptionInfo : public OptionInfo
+{
+ public:
+ //! Creates an option info object for the given option.
+ explicit Int64OptionInfo(Int64OptionStorage *option);
+};
+
+/*! \brief
+ * Wrapper class for accessing floating-point option information.
+ *
+ * \inpublicapi
+ */
+class DoubleOptionInfo : public OptionInfo
+{
+ public:
+ //! Creates an option info object for the given option.
+ explicit DoubleOptionInfo(DoubleOptionStorage *option);
+
+ //! Whether the option specifies a time value.
+ bool isTime() const;
+
+ /*! \brief
+ * Sets a scale factor for user-provided values.
+ *
+ * Any user-provided value is scaled by the provided factor.
+ * Programmatically set default values are not scaled.
+ * If called multiple times, later calls override the previously set
+ * value. In other words, the scaling is not cumulative.
+ */
+ void setScaleFactor(double factor);
+
+ private:
+ DoubleOptionStorage &option();
+ const DoubleOptionStorage &option() const;
+};
+
+/*! \brief
+ * Wrapper class for accessing floating-point option information.
+ *
+ * \inpublicapi
+ */
+class FloatOptionInfo : public OptionInfo
+{
+ public:
+ //! Creates an option info object for the given option.
+ explicit FloatOptionInfo(FloatOptionStorage *option);
+
+ //! Whether the option specifies a time value.
+ bool isTime() const;
+
+ //! \copydoc DoubleOptionInfo::setScaleFactor()
+ void setScaleFactor(double factor);
+
+ private:
+ FloatOptionStorage &option();
+ const FloatOptionStorage &option() const;
+};
+
+/*! \brief
+ * Wrapper class for accessing string option information.
+ *
+ * \inpublicapi
+ */
+class StringOptionInfo : public OptionInfo
+{
+ public:
+ //! Creates an option info object for the given option.
+ explicit StringOptionInfo(StringOptionStorage *option);
+
+ /*! \brief
+ * Whether this option accepts an enumerated set of values.
+ *
+ * Returns true if StringOption::enumValues() was used when creating
+ * this option.
+ */
+ bool isEnumerated() const;
+ /*! \brief
+ * Returns the set of allowed values for this option.
+ *
+ * Returns an empty vector if isEnumerated() returns false.
+ */
+ const std::vector<std::string> &allowedValues() const;
+
+ private:
+ StringOptionStorage &option();
+ const StringOptionStorage &option() const;
+};
+
+/*! \typedef RealOption
+ * \brief
+ * Typedef for either DoubleOption or FloatOption, depending on precision.
+ *
+ * Generally, new would be better using DoubleOption, but this is provided for
+ * cases where the output value needs to be of type `real` for some reason.
+ */
+/*! \typedef RealOptionInfo
+ * \brief
+ * Typedef for either DoubleOptionInfo or FloatOptionInfo, depending on precision.
+ *
+ * Generally, new would be better using DoubleOption, but this is provided for
+ * cases where the output value needs to be of type `real` for some reason.
+ */
+#ifdef GMX_DOUBLE
+typedef DoubleOption RealOption;
+typedef DoubleOptionInfo RealOptionInfo;
+#else
+typedef FloatOption RealOption;
+typedef FloatOptionInfo RealOptionInfo;
+#endif
+
/*!\}*/
} // namespace gmx