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37 * Implements gmx::Options.
39 * \author Teemu Murtola <teemu.murtola@gmail.com>
40 * \ingroup module_options
46 #include "gromacs/options/abstractoption.h"
47 #include "gromacs/options/abstractoptionstorage.h"
48 #include "gromacs/utility/arrayref.h"
49 #include "gromacs/utility/exceptions.h"
50 #include "gromacs/utility/gmxassert.h"
51 #include "gromacs/utility/stringutil.h"
53 #include "options-impl.h"
58 /********************************************************************
62 IOptionManager::~IOptionManager()
66 /********************************************************************
70 IOptionsContainer::~IOptionsContainer()
74 /********************************************************************
78 Options::Impl::Impl(const char *name, const char * /*title*/)
79 : name_(name != NULL ? name : ""),
84 Options::Impl::~Impl()
88 Options *Options::Impl::findSubSection(const char *name) const
90 SubSectionList::const_iterator i;
91 for (i = subSections_.begin(); i != subSections_.end(); ++i)
93 if ((*i)->name() == name)
101 AbstractOptionStorage *Options::Impl::findOption(const char *name) const
103 OptionList::const_iterator i;
104 for (i = options_.begin(); i != options_.end(); ++i)
106 if ((*i)->name() == name)
114 void Options::Impl::startSource()
116 OptionList::const_iterator i;
117 for (i = options_.begin(); i != options_.end(); ++i)
119 AbstractOptionStorage &option = **i;
120 option.startSource();
122 SubSectionList::const_iterator j;
123 for (j = subSections_.begin(); j != subSections_.end(); ++j)
125 Options §ion = **j;
126 section.impl_->startSource();
130 /********************************************************************
134 Options::Options(const char *name, const char *title)
135 : impl_(new Impl(name, title))
143 const std::string &Options::name() const
149 void Options::addManager(IOptionManager *manager)
151 GMX_RELEASE_ASSERT(impl_->parent_ == NULL,
152 "Can only add a manager in a top-level Options object");
153 // This ensures that all options see the same set of managers.
154 GMX_RELEASE_ASSERT(impl_->options_.empty(),
155 "Can only add a manager before options");
156 // This check could be relaxed if we instead checked that the subsections
157 // do not have options.
158 GMX_RELEASE_ASSERT(impl_->subSections_.empty(),
159 "Can only add a manager before subsections");
160 impl_->managers_.add(manager);
163 void Options::addSubSection(Options *section)
165 // This is required, because managers are used from the root Options
166 // object, so they are only seen after the subsection has been added.
167 GMX_RELEASE_ASSERT(section->impl_->options_.empty(),
168 "Can only add a subsection before it has any options");
169 GMX_RELEASE_ASSERT(section->impl_->managers_.empty(),
170 "Can only have managers in a top-level Options object");
171 // Make sure that section is not already inserted somewhere.
172 GMX_RELEASE_ASSERT(section->impl_->parent_ == NULL,
173 "Cannot add as subsection twice");
174 // Make sure that there are no duplicate sections.
175 GMX_RELEASE_ASSERT(impl_->findSubSection(section->name().c_str()) == NULL,
176 "Duplicate subsection name");
177 impl_->subSections_.push_back(section);
178 section->impl_->parent_ = this;
181 OptionInfo *Options::addOption(const AbstractOption &settings)
183 Options::Impl *root = impl_.get();
184 while (root->parent_ != NULL)
186 root = root->parent_->impl_.get();
188 Impl::AbstractOptionStoragePointer option(settings.createStorage(root->managers_));
189 if (impl_->findOption(option->name().c_str()) != NULL)
191 GMX_THROW(APIError("Duplicate option: " + option->name()));
193 impl_->options_.push_back(move(option));
194 return &impl_->options_.back()->optionInfo();
197 bool Options::isSet(const char *name) const
199 AbstractOptionStorage *option = impl_->findOption(name);
200 return (option != NULL ? option->isSet() : false);
203 void Options::finish()
205 // TODO: Consider how to customize these error messages based on context.
206 ExceptionInitializer errors("Invalid input values");
207 Impl::OptionList::const_iterator i;
208 for (i = impl_->options_.begin(); i != impl_->options_.end(); ++i)
210 AbstractOptionStorage &option = **i;
215 catch (UserInputError &ex)
217 ex.prependContext("In option " + option.name());
218 errors.addCurrentExceptionAsNested();
221 Impl::SubSectionList::const_iterator j;
222 for (j = impl_->subSections_.begin(); j != impl_->subSections_.end(); ++j)
224 Options §ion = **j;
229 catch (const UserInputError &)
231 errors.addCurrentExceptionAsNested();
234 if (errors.hasNestedExceptions())
236 // TODO: This exception type may not always be appropriate.
237 GMX_THROW(InvalidInputError(errors));