[248] | 1 | #include "libconfig/libconfig.h++" |
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[243] | 2 | #include <itpp/itbase.h> |
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| 3 | |
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| 4 | #ifndef UIBUILD |
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| 5 | #define UIBUILD |
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| 6 | |
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| 7 | using namespace libconfig; |
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| 8 | using namespace itpp; |
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[246] | 9 | using namespace std; |
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| 10 | |
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| 11 | #define CHECK_UITYPE(S,Type) it_assert_debug(S.getType()==Setting::Type, string("Wrong input path \"")+string(S.getPath())+string("\"")); |
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| 12 | #define UIREGISTER(UI) UI* UI##_global_instance = new UI(); |
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| 13 | |
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| 14 | ////////// GLOBAL VAriables |
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| 15 | |
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| 16 | class UIbuilder; |
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| 17 | //! Internal structure mapping strings to UIBuilder objects |
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| 18 | typedef map<const string, const UIbuilder*> UImap; |
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| 19 | extern UImap __uimap__; |
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| 20 | |
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| 21 | class UIFile : public Config{ |
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[243] | 22 | public: |
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[246] | 23 | UIFile(const char * fname):Config(){ |
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| 24 | try{Config::readFile(fname);} |
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| 25 | catch (ParseException& P) { |
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| 26 | char msg[200]; |
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| 27 | sprintf(msg,"Error in file %s on line %d.", fname, P.getLine()); |
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| 28 | it_error(msg); |
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| 29 | } |
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| 30 | catch (FileIOException f) {it_error("File " + string(fname) + " not found");} |
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| 31 | } |
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| 32 | }; |
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| 33 | |
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| 34 | /*!\brief Builds computational object from a UserInfo structure |
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| 35 | |
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| 36 | Return value is a pointer to the created object (memory management issue?) |
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| 37 | */ |
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| 38 | class UIbuilder { |
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| 39 | protected: |
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| 40 | static const UIbuilder* theinstance; |
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| 41 | vec getvec ( Setting& S ) { |
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| 42 | CHECK_UITYPE(S,TypeArray); |
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| 43 | vec tmp; |
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| 44 | tmp.set_size ( S.getLength() ); |
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| 45 | for ( int i=0;i<S.getLength();i++ ) { |
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| 46 | switch (S[i].getType()) { |
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| 47 | case Setting::TypeFloat : |
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| 48 | tmp[i]=double(S[i]);break; |
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| 49 | case Setting::TypeInt : |
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| 50 | tmp[i]=int(S[i]);break; |
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| 51 | case Setting::TypeBoolean : |
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| 52 | tmp[i]=bool(S[i]);break; |
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| 53 | default: it_error("libconfig error?"); |
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| 54 | } |
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[243] | 55 | } |
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[246] | 56 | return tmp; |
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| 57 | }; |
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| 58 | vec getivec ( Setting& S ) { |
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| 59 | CHECK_UITYPE(S,TypeArray); |
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| 60 | vec tmp; |
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| 61 | tmp.set_size ( S.getLength() ); |
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| 62 | for ( int i=0;i<S.getLength();i++ ) { |
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| 63 | switch (S[i].getType()) { |
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| 64 | case Setting::TypeFloat : |
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| 65 | tmp[i]=double(S[i]);break; |
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| 66 | case Setting::TypeInt : |
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| 67 | tmp[i]=int(S[i]);break; |
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| 68 | case Setting::TypeBoolean : |
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| 69 | tmp[i]=bool(S[i]);break; |
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| 70 | default: it_error("libconfig error?"); |
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| 71 | } |
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| 72 | } |
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| 73 | return tmp; |
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| 74 | }; |
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| 75 | public: |
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| 76 | UIbuilder(const string &typ){__uimap__.insert(make_pair(typ,this));} |
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[248] | 77 | virtual void build(Setting &S, void** result) const =0; |
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[246] | 78 | }; |
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[243] | 79 | |
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[246] | 80 | class UIexternal:public UIbuilder{ |
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| 81 | public: |
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| 82 | UIexternal():UIbuilder("external"){} |
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| 83 | void build(Setting &S, void** result) const; |
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| 84 | }; |
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| 85 | |
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| 86 | class UIinternal:public UIbuilder{ |
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| 87 | public: |
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| 88 | UIinternal():UIbuilder("internal"){} |
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| 89 | void build(Setting &S, void** result) const; |
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| 90 | }; |
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| 91 | |
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[248] | 92 | //! Prototype of a UI builder. Return value is by the second argument since it allows some type of type checking. |
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[246] | 93 | template<class T> |
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| 94 | void UIbuild(Setting &S, T** ret){ |
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| 95 | CHECK_UITYPE(S,TypeGroup); |
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| 96 | T* tmp; |
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[248] | 97 | // Check if field "type" is present, if not it is not a valid UI |
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[246] | 98 | it_assert_debug(S.exists("type"), string(S.getPath())+" is not a valid UI!"); |
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| 99 | |
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| 100 | const string typ=S["type"]; |
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[248] | 101 | // Find "type" in list of registred UI builders |
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[246] | 102 | UImap::const_iterator iter = __uimap__.find( typ ); |
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| 103 | if( iter == __uimap__.end()) { |
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| 104 | it_error("UI of type \"" + typ + "\" is not registered!"); |
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| 105 | } |
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[248] | 106 | else { |
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| 107 | const UIbuilder* is= iter->second; |
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| 108 | //BUILD the result |
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| 109 | is->build(S,reinterpret_cast<void**>(&tmp)); |
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| 110 | } |
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[246] | 111 | // make assignment |
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| 112 | *ret=tmp; |
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| 113 | }; |
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| 114 | |
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| 115 | |
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| 116 | Setting& UILoad(const char* fname); |
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| 117 | |
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[243] | 118 | #endif UIBUILD |
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