1 | #ifndef UIBUILD |
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2 | #define UIBUILD |
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3 | |
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4 | #include <itpp/itbase.h> |
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5 | #include "stat/libBM.h" |
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6 | #include "libconfig/libconfig.h++" |
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7 | |
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8 | namespace bdm { |
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9 | |
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10 | using namespace libconfig; |
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11 | using namespace std; |
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12 | |
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13 | #define CHECK_UITYPE(S,Type) it_assert_debug(S.getType()==Setting::Type, string("Wrong input path \"")+string(S.getPath())+string("\"")); |
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14 | #define UIREGISTER(UI) UI* UI##_global_instance = new UI(); |
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15 | |
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16 | ////////// GLOBAL VAriables |
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17 | |
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18 | class UIbuilder; |
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19 | //! Internal structure mapping strings to UIBuilder objects |
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20 | typedef map<const string, const UIbuilder*> UImap; |
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21 | extern UImap __uimap__; |
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22 | |
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23 | class UIFile : public Config { |
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24 | public: |
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25 | UIFile ( const char * fname ) :Config() { |
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26 | try{Config::readFile ( fname );} |
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27 | catch ( ParseException& P ) { |
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28 | char msg[200]; |
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29 | sprintf ( msg,"Error in file %s on line %d.", fname, P.getLine() ); |
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30 | it_error ( msg ); |
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31 | } |
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32 | catch ( FileIOException f ) {it_error ( "File " + string ( fname ) + " not found" );} |
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33 | } |
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34 | }; |
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35 | |
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36 | /*!\brief Builds computational object from a UserInfo structure |
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37 | |
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38 | Return value is a pointer to the created object (memory management issue?) |
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39 | */ |
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40 | class UIbuilder { |
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41 | protected: |
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42 | const vec getvec ( Setting& S ) const { |
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43 | CHECK_UITYPE ( S,TypeArray ); |
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44 | vec tmp; |
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45 | tmp.set_size ( S.getLength() ); |
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46 | for ( int i=0;i<S.getLength();i++ ) { |
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47 | switch ( S[i].getType() ) { |
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48 | case Setting::TypeFloat : |
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49 | tmp[i]=double ( S[i] );break; |
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50 | case Setting::TypeInt : |
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51 | tmp[i]=int ( S[i] );break; |
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52 | case Setting::TypeBoolean : |
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53 | tmp[i]=bool ( S[i] );break; |
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54 | default: it_error ( "libconfig error?" ); |
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55 | } |
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56 | } |
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57 | return tmp; |
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58 | }; |
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59 | const vec getivec ( Setting& S ) const { |
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60 | CHECK_UITYPE ( S,TypeArray ); |
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61 | vec tmp; |
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62 | tmp.set_size ( S.getLength() ); |
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63 | for ( int i=0;i<S.getLength();i++ ) { |
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64 | switch ( S[i].getType() ) { |
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65 | case Setting::TypeFloat : |
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66 | tmp[i]=double ( S[i] );break; |
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67 | case Setting::TypeInt : |
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68 | tmp[i]=int ( S[i] );break; |
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69 | case Setting::TypeBoolean : |
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70 | tmp[i]=bool ( S[i] );break; |
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71 | default: it_error ( "libconfig error?" ); |
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72 | } |
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73 | } |
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74 | return tmp; |
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75 | }; |
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76 | public: |
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77 | //!Constructor needs to be run only once macro UIREGISTER |
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78 | UIbuilder ( const string &typ ) {__uimap__.insert ( make_pair ( typ,this ) );} |
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79 | //! Function building the computational object |
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80 | virtual bdmroot* build ( Setting &S ) const =0; |
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81 | }; |
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82 | |
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83 | class UIexternal:public UIbuilder { |
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84 | public: |
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85 | UIexternal() :UIbuilder ( "external" ) {} |
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86 | bdmroot* build ( Setting &S ) const; |
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87 | }; |
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88 | |
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89 | class UIinternal:public UIbuilder { |
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90 | public: |
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91 | UIinternal() :UIbuilder ( "internal" ) {} |
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92 | bdmroot* build ( Setting &S ) const; |
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93 | }; |
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94 | |
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95 | //! [Debugging] Print values in current S to cout |
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96 | void UI_DBG ( Setting &S, const string &spc ); |
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97 | |
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98 | //! Prototype of a UI builder. Return value is by the second argument since it type checking via \c dynamic_cast. |
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99 | template<class T> |
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100 | void UIbuild ( Setting &S, T* &ret ) { |
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101 | CHECK_UITYPE ( S,TypeGroup ); |
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102 | // Check if field "type" is present, if not it is not a valid UI |
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103 | it_assert_debug ( S.exists ( "type" ), string ( S.getPath() ) +" is not a valid UI!" ); |
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104 | |
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105 | const string typ=S["type"]; |
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106 | // Find "type" in list of registred UI builders |
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107 | UImap::const_iterator iter = __uimap__.find ( typ ); |
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108 | if ( iter == __uimap__.end() ) { |
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109 | it_error ( "UI of type \"" + typ + "\" is not registered!" ); |
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110 | } |
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111 | |
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112 | //BUILD the result |
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113 | try { |
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114 | ret = dynamic_cast<T*> ( iter->second->build ( S ) ); |
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115 | } |
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116 | catch ( SettingTypeException e ) { |
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117 | UI_DBG(S,""); |
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118 | it_error ( "Setting " +string ( e.getPath() ) +" is of incorrect Type" );} |
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119 | catch ( SettingNotFoundException e ) { |
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120 | UI_DBG(S,""); |
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121 | it_error ( "Setting " + string ( e.getPath() ) +" was not found" );} |
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122 | }; |
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123 | |
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124 | //! Auxiliary function allowing recursivity in S (too complex, remove?) |
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125 | template<class T> |
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126 | void UIcall ( Setting &S, void ( *func ) ( Setting&, T ), T Tmp ) { |
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127 | CHECK_UITYPE ( S,TypeGroup ); |
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128 | // Check if field "type" is present, if not it is not a valid UI |
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129 | it_assert_debug ( S.exists ( "type" ), string ( S.getPath() ) +" is not a valid UI!" ); |
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130 | |
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131 | const string typ=S["type"]; |
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132 | if ( typ=="internal" ) { |
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133 | try { |
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134 | Setting* Stmp = &S; |
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135 | do {Stmp=& ( Stmp->getParent() );} |
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136 | while ( !Stmp->isRoot() ); |
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137 | Setting& intS=Stmp->lookup ( ( const char* ) S["path"] ); |
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138 | func ( intS, Tmp ); // <======== calling func |
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139 | return; |
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140 | } |
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141 | catch ( ... ) { |
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142 | it_error ( "Internal field " + string ( S.getPath() ) + " not valid" ); |
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143 | } |
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144 | } |
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145 | if ( typ=="external" ) { |
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146 | UIFile C(S["filename"]); |
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147 | try { |
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148 | func ( C.lookup ( ( const char* ) S["path"] ), Tmp ); |
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149 | } |
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150 | catch ( ... ) { |
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151 | it_error ( "External field " + string ( S.getPath() ) + " not valid" ); |
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152 | } |
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153 | return; |
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154 | } |
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155 | |
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156 | // v======================= calling final func |
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157 | func ( S, Tmp ); |
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158 | }; |
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159 | |
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160 | } |
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161 | #endif //UIBUILD |
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