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38 * Implements supporting routines for gmx::ICommandLineOptionsModule.
40 * \author Teemu Murtola <teemu.murtola@gmail.com>
41 * \ingroup module_commandline
45 #include "cmdlineoptionsmodule.h"
50 #include "gromacs/commandline/cmdlinehelpwriter.h"
51 #include "gromacs/commandline/cmdlinemodulemanager.h"
52 #include "gromacs/commandline/cmdlineparser.h"
53 #include "gromacs/options/behaviorcollection.h"
54 #include "gromacs/options/filenameoptionmanager.h"
55 #include "gromacs/options/ioptionsbehavior.h"
56 #include "gromacs/options/options.h"
57 #include "gromacs/utility/arrayref.h"
58 #include "gromacs/utility/gmxassert.h"
59 #include "gromacs/utility/stringutil.h"
67 /********************************************************************
68 * CommandLineOptionsModuleSettings
71 class CommandLineOptionsModuleSettings : public ICommandLineOptionsModuleSettings
74 explicit CommandLineOptionsModuleSettings(OptionsBehaviorCollection* behaviors) :
75 behaviors_(*behaviors)
79 const std::string& helpText() const { return helpText_; }
81 ArrayRef<const std::string> bugText() const { return bugText_; }
83 void setHelpText(const ArrayRef<const char* const>& help) override
85 helpText_ = joinStrings(help, "\n");
88 void setBugText(const ArrayRef<const char* const>& bug) override
90 bugText_ = std::vector<std::string>(bug.begin(), bug.end());
92 void addOptionsBehavior(const OptionsBehaviorPointer& behavior) override
94 behaviors_.addBehavior(behavior);
98 std::string helpText_;
99 std::vector<std::string> bugText_;
100 OptionsBehaviorCollection& behaviors_;
103 /********************************************************************
104 * CommandLineOptionsModule
107 class CommandLineOptionsModule : public ICommandLineModule
110 //! Shorthand for the factory function pointer type.
111 typedef ICommandLineOptionsModule::FactoryMethod FactoryMethod;
113 CommandLineOptionsModule(const char* name, const char* description, FactoryMethod factory) :
115 description_(description),
116 factory_(std::move(factory))
119 CommandLineOptionsModule(const char* name, const char* description, ICommandLineOptionsModulePointer module) :
121 description_(description),
122 module_(std::move(module))
125 const char* name() const override { return name_; }
126 const char* shortDescription() const override { return description_; }
128 void init(CommandLineModuleSettings* settings) override;
129 int run(int argc, char* argv[]) override;
130 void writeHelp(const CommandLineHelpContext& context) const override;
133 void parseOptions(int argc, char* argv[]);
136 const char* description_;
137 FactoryMethod factory_;
138 ICommandLineOptionsModulePointer module_;
141 void CommandLineOptionsModule::init(CommandLineModuleSettings* settings)
145 GMX_RELEASE_ASSERT(factory_ != nullptr, "Neither factory nor module provided");
146 module_ = factory_();
148 module_->init(settings);
151 int CommandLineOptionsModule::run(int argc, char* argv[])
153 GMX_RELEASE_ASSERT(module_, "init() has not been called");
154 parseOptions(argc, argv);
155 return module_->run();
158 void CommandLineOptionsModule::writeHelp(const CommandLineHelpContext& context) const
160 ICommandLineOptionsModulePointer moduleGuard;
161 ICommandLineOptionsModule* module = module_.get();
164 GMX_RELEASE_ASSERT(factory_ != nullptr, "Neither factory nor module provided");
165 moduleGuard = factory_();
166 module = moduleGuard.get();
169 OptionsBehaviorCollection behaviors(&options);
170 CommandLineOptionsModuleSettings settings(&behaviors);
171 module->initOptions(&options, &settings);
172 CommandLineHelpWriter(options)
173 .setHelpText(settings.helpText())
174 .setKnownIssues(settings.bugText())
178 void CommandLineOptionsModule::parseOptions(int argc, char* argv[])
180 FileNameOptionManager fileoptManager;
183 options.addManager(&fileoptManager);
185 OptionsBehaviorCollection behaviors(&options);
186 CommandLineOptionsModuleSettings settings(&behaviors);
187 module_->initOptions(&options, &settings);
189 CommandLineParser parser(&options);
190 parser.parse(&argc, argv);
191 behaviors.optionsFinishing();
194 module_->optionsFinished();
195 behaviors.optionsFinished();
200 /********************************************************************
201 * ICommandLineOptionsModuleSettings
204 ICommandLineOptionsModuleSettings::~ICommandLineOptionsModuleSettings() {}
206 /********************************************************************
207 * ICommandLineOptionsModule
210 ICommandLineOptionsModule::~ICommandLineOptionsModule() {}
213 std::unique_ptr<ICommandLineModule> ICommandLineOptionsModule::createModule(const char* name,
214 const char* description,
215 ICommandLineOptionsModulePointer module)
217 return std::unique_ptr<ICommandLineModule>(
218 new CommandLineOptionsModule(name, description, std::move(module)));
222 int ICommandLineOptionsModule::runAsMain(int argc,
225 const char* description,
226 FactoryMethod factory)
228 CommandLineOptionsModule module(name, description, std::move(factory));
229 return CommandLineModuleManager::runAsMainSingleModule(argc, argv, &module);
233 void ICommandLineOptionsModule::registerModuleFactory(CommandLineModuleManager* manager,
235 const char* description,
236 FactoryMethod factory)
238 CommandLineModulePointer module(new CommandLineOptionsModule(name, description, std::move(factory)));
239 manager->addModule(std::move(module));
243 void ICommandLineOptionsModule::registerModuleDirect(CommandLineModuleManager* manager,
245 const char* description,
246 ICommandLineOptionsModulePointer module)
248 CommandLineModulePointer wrapperModule(createModule(name, description, std::move(module)));
249 manager->addModule(std::move(wrapperModule));