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  • src/UIElements/CommandLineUI/CommandLineParser.hpp

    rce7fdc re6c470  
    2424#include <map>
    2525
    26 namespace MoleCuilder {
    27   class Action;
    28   class OptionTrait;
    29 }
    30 class CommandLineParser_ActionRegistry_ConsistenyTest;
     26class Action;
     27class CommandLineParser_ActionRegistry_ConsistencyTest;
     28class OptionTrait;
    3129
    3230/** This class is a wrapper for boost::program_options.
    33  *
    34  * <h1> CommandLine Howto </h1>
    35  * <h2> Introduction </h2>
    36  *
    37  * The UIFactory is a base class for the User Interaction. There are three UI specializations:
    38  * Text, GUI and CommandLine. Accessing functionality via the CommandLine UI is explained here.
    39  *
    40  * First, an Action has to be written for the specific functionality. This Action should
    41  * be added in Actions/...Action in the respective subdirectory of the following types:
    42  *  -# Analysis: Analysis actions like evaluating pair correlation, bonds, ...
    43  *  -# Atom: adding, removing, manipulating atoms
    44  *  -# Cmd: specifying data bases, verbosity, ...
    45  *  -# Fragmentation: fragmenting a system, performing graph analysis, ...
    46  *  -# Molecule: adding, removing, manipulating molecules
    47  *  -# Parser: Parsing files (loading, saving)
    48  *  -# Tesselation: obtaining (non)convex surface of a molecule, embedding, ...
    49  *  -# World: Setting Box dimensions, default name of new molecules, ...
    50  *
    51  *  The CommandLineUIFactory is a specialization of the UIFactory for parsing command
    52  *  line parameters, generating and executing actions there from.
    53  *
    54  *  The idea of the CommandLineFactory is explained elsewhere, here we would like to give a
    55  *  receipe for creating new actions.
    56  *
    57  * <h3>Introducing new actions</h3>
    58  *
    59  * Let us now introduce what to do if a new action is to be implemented. Here, we use the
    60  * CommandLineVersionAction as an example.
    61  * This consists if basically three parts:
    62  * 1. Create the files, write the classes and make them compilable
    63  *   - Create new source and header files in one of the above subfolders in the Actions folder,
    64  *     e.g. create VersionAction.cpp and VersionAction.hpp in Actions/Cmd/
    65  *   - Give it a sensible class name, the convention is <type><what it does>Action,
    66  *     where <type> is basically the naming (written out) of the subdirectory,
    67  *     e.g. class CommandLineVersionAction.
    68  *   - Add the source and header file to the respective variables in molecuilder/src/Makefile.am,
    69  *     e.g. if you add a Cmd action the variables are CMDACTIONSOURCE and CMDACTIONHEADER,
    70  *     such that they get compiled.
    71  * 2. Add an instance to the CommandLineUIFactory, such that they are known to the UI.
    72  *   - Add the header file as an include to UIElements/CommandLineWindow.cpp, e.g.
    73  *     #include "Actions/Cmd/VersionAction.hpp"
    74  *   - Add an instance of your class to the specific populater-function in
    75  *     UIElements/CommandLineWindow.cpp, e.g. for the above Cmd action, add to populateCommandActions()
    76  *     add new CommandLineVersionAction().
    77  *     This will automatically register in the ActionRegistry.
    78  * 3. Give them an option name, short hand an description, such that they can be referenced from
    79  *    the command line.
    80  *   - think of a new key name, e.g. "version", which is the long form of the command parameter,
    81  *     i.e. --version).
    82  *   - add this key to every map of MapofActions, i.e. to
    83  *     - MapofActions::DescriptionMap: the description which appears as help and tooltip
    84  *     - MapofActions::ShortFormMap: the short form of the command parameter (e.g. -v)
    85  *     - MapofActions::ValueMap: the value the command parameter has (do not create if it does not need one)
    86  *   - If your action requires additional parameters, these need to be added in the same manner as in
    87  *     the list item above.
    88  *
    89  *  Don't forget to write the actual code. :)
    90  *
    91  * <h3>Writing an action</h3>
    92  *
    93  *  As you write a new action you may think in terms of the command line, i.e. you want to use this
    94  *  new functionality you add by calling molecuilder as: ./molecuilder --super-action foobar.txt, where
    95  *  the key of your new action would be "super-action". While this is fine, keep in mind, that your action
    96  *  should be useable for the other UI specializations as well, i.e. from the menu and the GUI. Therefore,
    97  *  -# Don't use cin to ask the user for input: Use Query...()!
    98  *  -# Rather don't use cout/cerrs, but either give Log() or eLog() or use QueryEmpty() if you want to give
    99  *     the user specific information what you ask of him.
    10031 *
    10132 */
     
    15384
    15485  // adds options to the parser
    155   void AddOptionToParser(const MoleCuilder::OptionTrait * const currentOption, po::options_description* OptionList);
     86  void AddOptionToParser(const OptionTrait * const currentOption, po::options_description* OptionList);
    15687
    15788  // creates a map from short forms to action tokens needed to parse command line
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