src/gromacs/options/abstractoption.cpp

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  35 /*! \internal \file
  36  * \brief
  37  * Implements classes in abstractoption.h and abstractoptionstorage.h.
  38  *
  39  * \author Teemu Murtola <teemu.murtola@gmail.com>
  40  * \ingroup module_options
  41  */
  42 #include "gmxpre.h"
  43
  44 #include "abstractoption.h"
  45
  46 #include "gromacs/options/abstractoptionstorage.h"
  47 #include "gromacs/options/optionflags.h"
  48 #include "gromacs/utility/exceptions.h"
  49 #include "gromacs/utility/gmxassert.h"
  50 #include "gromacs/utility/variant.h"
  51
  52 #include "basicoptionstorage.h"
  53
  54 namespace gmx
  55 {
  56
  57 /********************************************************************
  58  * AbstractOptionStorage
  59  */
  60
  61 AbstractOptionStorage::AbstractOptionStorage(const AbstractOption &settings,
  62                                              OptionFlags           staticFlags)
  63     : flags_(settings.flags_ | staticFlags),
  64       storeIsSet_(settings.storeIsSet_),
  65       minValueCount_(settings.minValueCount_),
  66       maxValueCount_(settings.maxValueCount_),
  67       bInSet_(false), bSetValuesHadErrors_(false)
  68 {
  69     // Check that user has not provided incorrect values for vectors.
  70     if (hasFlag(efOption_Vector) && (minValueCount_ > 1 || maxValueCount_ < 1))
  71     {
  72         GMX_THROW(APIError("Inconsistent value counts for vector values"));
  73     }
  74
  75     if (settings.name_ != NULL)
  76     {
  77         name_  = settings.name_;
  78     }
  79     if (settings.descr_ != NULL)
  80     {
  81         descr_ = settings.descr_;
  82     }
  83     if (storeIsSet_ != NULL)
  84     {
  85         *storeIsSet_ = false;
  86     }
  87     setFlag(efOption_ClearOnNextSet);
  88 }
  89
  90 AbstractOptionStorage::~AbstractOptionStorage()
  91 {
  92 }
  93
  94 bool AbstractOptionStorage::isBoolean() const
  95 {
  96     return dynamic_cast<const BooleanOptionStorage *>(this) != NULL;
  97 }
  98
  99 void AbstractOptionStorage::startSource()
 100 {
 101     setFlag(efOption_ClearOnNextSet);
 102 }
 103
 104 void AbstractOptionStorage::startSet()
 105 {
 106     GMX_RELEASE_ASSERT(!bInSet_, "finishSet() not called");
 107     // The last condition takes care of the situation where multiple
 108     // sources are used, and a later source should be able to reassign
 109     // the value even though the option is already set.
 110     if (isSet() && !hasFlag(efOption_MultipleTimes)
 111         && !hasFlag(efOption_ClearOnNextSet))
 112     {
 113         GMX_THROW(InvalidInputError("Option specified multiple times"));
 114     }
 115     clearSet();
 116     bInSet_              = true;
 117     bSetValuesHadErrors_ = false;
 118 }
 119
 120 void AbstractOptionStorage::appendValue(const Variant &value)
 121 {
 122     GMX_RELEASE_ASSERT(bInSet_, "startSet() not called");
 123     try
 124     {
 125         convertValue(value);
 126     }
 127     catch (const std::exception &)
 128     {
 129         bSetValuesHadErrors_ = true;
 130         throw;
 131     }
 132 }
 133
 134 void AbstractOptionStorage::markAsSet()
 135 {
 136     setFlag(efOption_Set);
 137     if (storeIsSet_ != NULL)
 138     {
 139         *storeIsSet_ = true;
 140     }
 141 }
 142
 143 void AbstractOptionStorage::finishSet()
 144 {
 145     GMX_RELEASE_ASSERT(bInSet_, "startSet() not called");
 146     bInSet_ = false;
 147     // We mark the option as set even when there are errors to avoid additional
 148     // errors from required options not set.
 149     // TODO: There could be a separate flag for this purpose.
 150     markAsSet();
 151     if (!bSetValuesHadErrors_)
 152     {
 153         // TODO: Correct handling of the efOption_ClearOnNextSet requires
 154         // processSet() and/or convertValue() to check it internally.
 155         // OptionStorageTemplate takes care of it, but it's error-prone if
 156         // a custom option is implemented that doesn't use it.
 157         processSet();
 158     }
 159     bSetValuesHadErrors_ = false;
 160     clearFlag(efOption_ClearOnNextSet);
 161     clearSet();
 162 }
 163
 164 void AbstractOptionStorage::finish()
 165 {
 166     GMX_RELEASE_ASSERT(!bInSet_, "finishSet() not called");
 167     processAll();
 168     if (isRequired() && !(isSet() || hasFlag(efOption_ExplicitDefaultValue)))
 169     {
 170         GMX_THROW(InvalidInputError("Option is required, but not set"));
 171     }
 172 }
 173
 174 void AbstractOptionStorage::setMinValueCount(int count)
 175 {
 176     GMX_RELEASE_ASSERT(!hasFlag(efOption_MultipleTimes),
 177                        "setMinValueCount() not supported with efOption_MultipleTimes");
 178     GMX_RELEASE_ASSERT(count >= 0, "Invalid value count");
 179     minValueCount_ = count;
 180     if (isSet() && !hasFlag(efOption_DontCheckMinimumCount)
 181         && valueCount() < minValueCount_)
 182     {
 183         GMX_THROW(InvalidInputError("Too few values"));
 184     }
 185 }
 186
 187 void AbstractOptionStorage::setMaxValueCount(int count)
 188 {
 189     GMX_RELEASE_ASSERT(!hasFlag(efOption_MultipleTimes),
 190                        "setMaxValueCount() not supported with efOption_MultipleTimes");
 191     GMX_RELEASE_ASSERT(count >= -1, "Invalid value count");
 192     maxValueCount_ = count;
 193     if (isSet() && maxValueCount_ >= 0 && valueCount() > maxValueCount_)
 194     {
 195         GMX_THROW(InvalidInputError("Too many values"));
 196     }
 197 }
 198
 199 /********************************************************************
 200  * OptionInfo
 201  */
 202
 203 /*! \cond libapi */
 204 OptionInfo::OptionInfo(AbstractOptionStorage *option)
 205     : option_(*option)
 206 {
 207 }
 208 //! \endcond
 209
 210 OptionInfo::~OptionInfo()
 211 {
 212 }
 213
 214 bool OptionInfo::isSet() const
 215 {
 216     return option().isSet();
 217 }
 218
 219 bool OptionInfo::isHidden() const
 220 {
 221     return option().isHidden();
 222 }
 223
 224 bool OptionInfo::isRequired() const
 225 {
 226     return option().isRequired();
 227 }
 228
 229 int OptionInfo::minValueCount() const
 230 {
 231     if (option().defaultValueIfSetExists())
 232     {
 233         return 0;
 234     }
 235     return option().minValueCount();
 236 }
 237
 238 int OptionInfo::maxValueCount() const
 239 {
 240     return option().maxValueCount();
 241 }
 242
 243 const std::string &OptionInfo::name() const
 244 {
 245     return option().name();
 246 }
 247
 248 std::string OptionInfo::type() const
 249 {
 250     return option().typeString();
 251 }
 252
 253 std::string OptionInfo::formatDescription() const
 254 {
 255     std::string description(option().description());
 256     std::string extraDescription(option().formatExtraDescription());
 257     if (!extraDescription.empty())
 258     {
 259         description.append(extraDescription);
 260     }
 261     return description;
 262 }
 263
 264 std::vector<Variant> OptionInfo::defaultValues() const
 265 {
 266     return option().defaultValues();
 267 }
 268
 269 std::vector<std::string> OptionInfo::defaultValuesAsStrings() const
 270 {
 271     return option().defaultValuesAsStrings();
 272 }
 273
 274 std::vector<Variant> OptionInfo::normalizeValues(const std::vector<Variant> &values) const
 275 {
 276     return option().normalizeValues(values);
 277 }
 278
 279 } // namespace gmx