1 | # OpenEHR::RM::Data_Types::Encapsulated
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2 | # http://www.openehr.org/svn/specification/TAGS/Release-1.0.2/publishing/architecture/computable/UML/uml_start_view.html
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3 | # refs #51
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4 | require 'rubygems'
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5 | require 'locale/info'
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6 |
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7 | module OpenEHR
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8 | module RM
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9 | module Data_Types
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10 | module Encapsulated
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11 | class DV_Encapsulated < OpenEHR::RM::Data_Types::Basic::Data_Value
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12 | attr_reader :language, :charset
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13 | def initialize(charset, language)
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14 | self.charset = charset
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15 | self.language = language
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16 | end
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17 |
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18 | def size
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19 | raise NotImplementedError, "size method not implemented"
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20 | end
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21 |
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22 | def language=(language)
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23 | if language.nil? ||
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24 | !Locale::Info.language_code?(language.code_string)
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25 | raise ArgumentError, 'invalid language code'
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26 | end
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27 | @language = language
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28 | end
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29 |
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30 | def charset=(charset)
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31 | if charset.nil? || !charset_valid?(charset.code_string)
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32 | raise ArgumentError, 'invalid charset'
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33 | end
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34 | @charset = charset
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35 | end
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36 |
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37 | private
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38 | def size_positive
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39 | raise ArgumentError, "size must be positive" if size < 0
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40 | end
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41 |
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42 | def charset_valid?(charset)
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43 | result = false
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44 | open('rm/data_types/charset.lst') do |file|
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45 | while line = file.gets
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46 | if charset == line.chomp
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47 | result = true
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48 | break
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49 | end
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50 | end
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51 | end
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52 | return result
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53 | end
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54 | end
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55 |
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56 | class DV_Multimedia < DV_Encapsulated
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57 |
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58 | end
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59 |
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60 | class DV_Parsable < DV_Encapsulated
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61 | attr_reader :value, :formalism
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62 | def initialize(value, formalism, charset = nil, language = nil)
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63 | @value = value
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64 | size_positive
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65 | formalism_validity(formalism)
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66 | @formalism = formalism
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67 | @charset, @language = charset, language
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68 | end
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69 | def size
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70 | value.size
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71 | end
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72 | private
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73 | def formalism_validity(formalism)
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74 | if formalism.nil
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75 | raise ArgumentError, "formalism must not be nil"
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76 | elsif formalism.empty?
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77 | raise ArgumentError, "formalism must nto be empty"
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78 | end
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79 | end
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80 | end
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81 | end # of Encapsulated
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82 | end # of Data_Types
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83 | end # of RM
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84 | end # of OpenEHR
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