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, :size
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13 | def initialize(charset, language, size)
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14 | self.charset = charset
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15 | self.language = language
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16 | self.size = size
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17 | end
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18 |
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19 | def size=(size)
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20 | if size < 0
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21 | raise ArgumentError, "negative size"
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22 | end
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23 | @size = size
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24 | end
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25 |
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26 | def language=(language)
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27 | if language.nil? ||
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28 | !Locale::Info.language_code?(language.code_string)
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29 | raise ArgumentError, 'invalid language code'
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30 | end
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31 | @language = language
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32 | end
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33 |
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34 | def charset=(charset)
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35 | if charset.nil? || !charset_valid?(charset.code_string)
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36 | raise ArgumentError, 'invalid charset'
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37 | end
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38 | @charset = charset
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39 | end
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40 |
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41 | private
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42 | def size_positive
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43 | raise ArgumentError, "size must be positive" if size < 0
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44 | end
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45 |
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46 | def charset_valid?(charset)
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47 | result = false
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48 | open('rm/data_types/charset.lst') do |file|
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49 | while line = file.gets
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50 | if charset == line.chomp
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51 | result = true
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52 | break
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53 | end
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54 | end
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55 | end
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56 | return result
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57 | end
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58 | end
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59 |
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60 | # media type http://www.iana.org/assignments/media-types/text/
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61 | class DV_Multimedia < DV_Encapsulated
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62 | attr_reader :media_type
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63 | attr_accessor :uri, :data, :compression_algorithm,
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64 | :integrity_check, :integrity_check_algorithm, :alternate_text
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65 | def initialize(charset, language, size, media_type, uri=nil,
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66 | data=nil, compression_algorithm=nil,
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67 | integrity_check=nil, integrity_check_algorithm=nil,
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68 | alternate_text=nil)
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69 | super(charset, language, size)
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70 | self.media_type = media_type
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71 | @uri = uri
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72 | @data = data
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73 | @compression_algorithm = compression_algorithm
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74 | @integrity_check = integrity_check
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75 | @integrity_check_algorithm = integrity_check_algorithm
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76 | @alternate_text = alternate_text
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77 | end
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78 | def media_type=(media_type)
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79 | if media_type.code_string.nil?
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80 | raise ArgumentError, 'media_type should not be nil'
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81 | end
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82 | @media_type = media_type
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83 | end
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84 | end
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85 |
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86 | class DV_Parsable < DV_Encapsulated
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87 | attr_reader :value, :formalism
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88 | def initialize(charset, language, size, formalism, value)
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89 | super(charset, language, size)
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90 | self.formalism = formalism
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91 | self.value = value
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92 | end
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93 |
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94 | def value=(value)
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95 | raise ArgumentError, 'value must not be nil' if value.nil?
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96 | @value = value
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97 | end
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98 |
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99 | def formalism=(formalism)
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100 | if formalism.nil?
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101 | raise ArgumentError, "formalism must not be nil"
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102 | elsif formalism.empty?
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103 | raise ArgumentError, "formalism must nto be empty"
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104 | end
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105 | @formalism = formalism
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106 | end
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107 | end
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108 | end # of Encapsulated
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109 | end # of Data_Types
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110 | end # of RM
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111 | end # of OpenEHR
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