1 | module OpenEHR
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2 | module AM
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3 | module Archetype
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4 | module Assertion
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5 | class Assertion
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6 | attr_reader :expression, :tag
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7 | attr_accessor :string_expression, :variables
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8 |
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9 | def initialize(args = { })
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10 | self.expression = args[:expression]
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11 | self.tag = args[:tag]
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12 | self.string_expression = args[:string_expression]
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13 | self.variables = args[:variables]
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14 | end
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15 |
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16 | def expression=(expression)
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17 | if expression.nil? or expression.type.upcase != 'BOOLEAN'
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18 | raise ArgumentError, 'invalid expression'
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19 | end
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20 | @expression = expression
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21 | end
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22 |
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23 | def tag=(tag)
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24 | if !tag.nil? && tag.empty?
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25 | raise ArgumentError, 'tag should not be empty'
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26 | end
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27 | @tag = tag
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28 | end
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29 | end
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30 |
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31 | class ExprItem
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32 | attr_reader :type
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33 |
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34 | def initialize(args = { })
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35 | self.type = args[:type]
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36 | end
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37 |
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38 | def type=(type)
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39 | if type.nil? or type.empty?
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40 | raise ArgumentError, 'type is mandatory'
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41 | end
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42 | @type = type
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43 | end
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44 | end
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45 |
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46 | class ExprLeaf < ExprItem
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47 | attr_reader :item, :reference_type
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48 |
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49 | def initialize(args = { })
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50 | super
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51 | self.item = args[:item]
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52 | self.reference_type = args[:reference_type]
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53 | end
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54 |
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55 | def item=(item)
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56 | if item.nil?
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57 | raise ArgumentError, 'item is mandatory'
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58 | end
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59 | @item = item
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60 | end
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61 |
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62 | def reference_type=(reference_type)
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63 | if reference_type.nil?
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64 | raise ArgumentError, 'reference_type is mandatory'
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65 | end
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66 | @reference_type = reference_type
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67 | end
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68 | end
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69 |
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70 | class ExprOperator < ExprItem
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71 | attr_accessor :operator, :precedence_overridden
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72 |
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73 | def initialize(args = { })
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74 | super
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75 | self.operator = args[:operator]
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76 | self.precedence_overridden = args[:precedence_overridden]
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77 | end
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78 | end
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79 |
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80 | class ExprUnaryOperator < ExprOperator
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81 | attr_reader :operand
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82 |
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83 | def initialize(args = { })
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84 | super
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85 | self.operand = args[:operand]
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86 | end
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87 |
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88 | def operand=(operand)
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89 | if operand.nil?
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90 | raise ArgumentError, 'operand is mandatory'
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91 | end
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92 | @operand = operand
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93 | end
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94 | end
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95 |
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96 | class ExprBinaryOperator < ExprOperator
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97 | attr_reader :right_operand, :left_operand
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98 |
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99 | def initialize(args = { })
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100 | super
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101 | self.right_operand = args[:right_operand]
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102 | self.left_operand = args[:left_operand]
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103 | end
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104 |
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105 | def right_operand=(right_operand)
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106 | if right_operand.nil?
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107 | raise ArgumentError, 'right_operand is mandatory'
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108 | end
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109 | @right_operand = right_operand
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110 | end
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111 |
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112 | def left_operand=(left_operand)
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113 | if left_operand.nil?
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114 | raise ArgumentError, 'left_operand is mandatory'
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115 | end
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116 | @left_operand = left_operand
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117 | end
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118 | end
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119 |
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120 | class AssertionVariable
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121 | attr_reader :name, :definition
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122 |
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123 | def initialize(args = { })
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124 | self.name = args[:name]
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125 | self.definition = args[:definition]
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126 | end
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127 |
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128 | def name=(name)
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129 | if name.nil?
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130 | raise ArgumentError, 'name is mandatory'
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131 | end
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132 | @name = name
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133 | end
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134 |
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135 | def definition=(definition)
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136 | if definition.nil?
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137 | raise ArgumentError, 'definition is mandatory'
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138 | end
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139 | @definition = definition
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140 | end
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141 | end
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142 |
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143 | class OperatorKind
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144 | OP_EQ = 2001
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145 | OP_NE = 2002
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146 | OP_LE = 2003
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147 | OP_LT = 2004
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148 | OP_GE = 2005
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149 | OP_GT = 2006
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150 | OP_MATCHES = 2007
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151 |
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152 | OP_NOT = 2010
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153 | OP_AND = 2011
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154 | OP_OR = 2012
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155 | OP_XOR = 2013
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156 | OP_IMPLIES = 2014
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157 | OP_FOR_ALL = 2015
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158 | OP_EXISTS = 2016
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159 |
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160 | OP_PLUS = 2020
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161 | OP_MINUS = 2021
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162 | OP_MULTIPLY = 2022
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163 | OP_DIVIDE = 2023
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164 | OP_EXP = 2024
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165 |
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166 | attr_reader :value
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167 |
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168 | def initialize(args = { })
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169 | self.value = args[:value]
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170 | end
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171 |
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172 | def value=(value)
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173 | unless OperatorKind.valid_operator? value
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174 | raise ArgumentError, 'invalid value'
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175 | end
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176 | @value = value
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177 | end
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178 |
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179 | def self.valid_operator?(value)
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180 | if value >= OP_EQ && value <= OP_EXP
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181 | return true
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182 | else
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183 | return false
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184 | end
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185 | end
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186 | end
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187 | end # of Assetion
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188 | end # of Archtype
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189 | end #of AM
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190 | end # of OpenEHR
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