| 1 | /*
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| 2 | * Action_impl_header.hpp
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| 3 | *
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| 4 | * Created on: Aug 25, 2010
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| 5 | * Author: heber
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| 6 | */
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| 7 |
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| 8 | #include <boost/preprocessor/cat.hpp>
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| 9 | #include <boost/preprocessor/comparison/equal.hpp>
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| 10 | #include <boost/preprocessor/comparison/not_equal.hpp>
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| 11 | #include <boost/preprocessor/control/if.hpp>
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| 12 | #include <boost/preprocessor/debug/assert.hpp>
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| 13 | #include <boost/preprocessor/iteration/local.hpp>
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| 14 | #include <boost/preprocessor/punctuation/comma_if.hpp>
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| 15 | #include <boost/preprocessor/repetition/repeat.hpp>
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| 16 | #include <boost/preprocessor/seq/elem.hpp>
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| 17 | #include <boost/preprocessor/seq/push_back.hpp>
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| 18 | #include <boost/preprocessor/seq/seq.hpp>
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| 19 | #include <boost/preprocessor/seq/size.hpp>
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| 20 | #include <boost/preprocessor/seq/transform.hpp>
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| 21 |
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| 22 | // some derived names
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| 23 | #define ACTION BOOST_PP_CAT(CATEGORY, BOOST_PP_CAT(ACTIONNAME, Action))
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| 24 | #define COMMAND BOOST_PP_CAT(CATEGORY, ACTIONNAME)
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| 25 | #define STATE BOOST_PP_CAT(CATEGORY, BOOST_PP_CAT(ACTIONNAME, State))
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| 26 | #define PARAMS BOOST_PP_CAT(CATEGORY, BOOST_PP_CAT(ACTIONNAME, Parameters))
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| 27 | #define PARAMSDOT BOOST_PP_CAT(CATEGORY, BOOST_PP_CAT(ACTIONNAME, Parameters))
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| 28 |
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| 29 | // check if no lists given
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| 30 | #ifndef types
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| 31 | #define MAXNOTOKENS 0
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| 32 | #else
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| 33 | #define MAXNOTOKENS BOOST_PP_SEQ_SIZE(types)
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| 34 | #endif
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| 35 |
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| 36 | // check user has given name and category
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| 37 | #ifndef CATEGORY
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| 38 | ERROR: No "CATEGORY" defined in: __FILE__
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| 39 | #endif
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| 40 |
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| 41 | #ifndef ACTIONNAME
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| 42 | ERROR: No "ACTIONNAME" defined in: __FILE__
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| 43 | #endif
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| 44 |
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| 45 | // calculate numbers and check whether all have same size
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| 46 | #ifdef tokens
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| 47 | BOOST_PP_ASSERT_MSG(BOOST_PP_EQUAL(MAXNOTOKENS, BOOST_PP_SEQ_SIZE(tokens)),\
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| 48 | ERROR: There are not the same number of "tokens" and "types" in: __FILE__ \
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| 49 | )
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| 50 | #endif
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| 51 | #ifdef references
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| 52 | BOOST_PP_ASSERT_MSG(BOOST_PP_EQUAL(MAXNOTOKENS, BOOST_PP_SEQ_SIZE(references)),\
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| 53 | ERROR: There are not the same number of "tokens" and "references" in: __FILE__ \
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| 54 | )
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| 55 | #endif
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| 56 |
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| 57 | // print a list of type ref followed by a separator, i.e. "int i;"
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| 58 | #define type_print(z,n,separator) \
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| 59 | BOOST_PP_SEQ_ELEM(n, types) \
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| 60 | BOOST_PP_SEQ_ELEM(n, references)\
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| 61 | separator
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| 62 |
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| 63 | // print a list of type ref followed, i.e. "int i, double position"
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| 64 | #define type_list(z,n,unused) \
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| 65 | BOOST_PP_COMMA_IF(n)\
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| 66 | BOOST_PP_SEQ_ELEM(n, types) \
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| 67 | BOOST_PP_SEQ_ELEM(n, references)
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| 68 |
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| 69 | // prints dialog->query calls for types with tokens
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| 70 | #define dialog_print(z,n,unused) \
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| 71 | dialog->query<\
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| 72 | BOOST_PP_SEQ_ELEM(n, types)\
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| 73 | >(\
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| 74 | BOOST_PP_SEQ_ELEM(n, tokens)\
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| 75 | , ValueStorage::getInstance().getDescription(\
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| 76 | BOOST_PP_SEQ_ELEM(n, tokens)\
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| 77 | ));
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| 78 |
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| 79 | // prints set/queryCurrentValue (command) for references and tokens
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| 80 | #define value_print(z,n,command) \
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| 81 | ValueStorage::getInstance(). command (\
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| 82 | BOOST_PP_SEQ_ELEM(n, tokens)\
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| 83 | , \
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| 84 | params.\
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| 85 | BOOST_PP_SEQ_ELEM(n, references)\
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| 86 | );
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| 87 |
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| 88 | #if BOOST_PP_NOT_EQUAL(MAXNOTOKENS,0)
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| 89 | #define COMMANDFULL \
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| 90 | void COMMAND( \
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| 91 | BOOST_PP_REPEAT(MAXNOTOKENS, type_list, ~) \
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| 92 | )
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| 93 | # else
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| 94 | #define COMMANDFULL void COMMAND()
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| 95 | #endif
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| 96 |
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| 97 | COMMANDFULL;
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| 98 |
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| 99 | class ACTION : public Action {
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| 100 | friend COMMANDFULL;
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| 101 | public:
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| 102 | ACTION();
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| 103 | virtual ~ACTION();
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| 104 |
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| 105 | bool canUndo();
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| 106 | bool shouldUndo();
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| 107 |
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| 108 | virtual const std::string getName();
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| 109 |
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| 110 | struct PARAMS : ActionParameters {
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| 111 | #if BOOST_PP_NOT_EQUAL(MAXNOTOKENS,0)
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| 112 | #define BOOST_PP_LOCAL_MACRO(n) type_print(~, n, ;)
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| 113 | #define BOOST_PP_LOCAL_LIMITS (0, MAXNOTOKENS-1)
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| 114 | #include BOOST_PP_LOCAL_ITERATE()
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| 115 | #undef BOOST_PP_LOCAL_MACRO
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| 116 | #undef BOOST_PP_LOCAL_LIMITS
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| 117 | #endif
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| 118 | } params;
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| 119 |
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| 120 | protected:
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| 121 | virtual Dialog * fillDialog(Dialog*);
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| 122 | private:
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| 123 | virtual void getParametersfromValueStorage();
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| 124 | virtual Action::state_ptr performCall();
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| 125 | virtual Action::state_ptr performUndo(Action::state_ptr);
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| 126 | virtual Action::state_ptr performRedo(Action::state_ptr);
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| 127 |
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| 128 | static const char NAME[];
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| 129 | };
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| 130 |
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| 131 | #undef types
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| 132 | #undef tokens
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| 133 | #undef references
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| 134 | #undef MAXNOTOKENS
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| 135 |
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| 136 | #undef ACTION
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| 137 | #undef ACTIONNAME
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| 138 | #undef CATEGORY
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| 139 | #undef COMMAND
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| 140 | #undef COMMANDFULL
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| 141 | #undef PARAMS
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| 142 | #undef STATE
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| 143 | #undef TOKEN
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