1 | # WSDL4R - XMLSchema element definition for WSDL.
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2 | # Copyright (C) 2002, 2003, 2005 NAKAMURA, Hiroshi <[email protected]>.
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3 |
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4 | # This program is copyrighted free software by NAKAMURA, Hiroshi. You can
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5 | # redistribute it and/or modify it under the same terms of Ruby's license;
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6 | # either the dual license version in 2003, or any later version.
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7 |
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8 |
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9 | require 'wsdl/info'
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10 |
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11 |
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12 | module WSDL
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13 | module XMLSchema
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14 |
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15 |
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16 | class Element < Info
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17 | class << self
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18 | if RUBY_VERSION > "1.7.0"
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19 | def attr_reader_ref(symbol)
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20 | name = symbol.to_s
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21 | define_method(name) {
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22 | instance_variable_get("@#{name}") ||
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23 | (refelement ? refelement.__send__(name) : nil)
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24 | }
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25 | end
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26 | else
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27 | def attr_reader_ref(symbol)
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28 | name = symbol.to_s
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29 | module_eval <<-EOS
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30 | def #{name}
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31 | @#{name} || (refelement ? refelement.#{name} : nil)
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32 | end
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33 | EOS
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34 | end
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35 | end
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36 | end
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37 |
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38 | attr_writer :name # required
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39 | attr_writer :form
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40 | attr_writer :type
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41 | attr_writer :local_simpletype
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42 | attr_writer :local_complextype
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43 | attr_writer :constraint
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44 | attr_writer :maxoccurs
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45 | attr_writer :minoccurs
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46 | attr_writer :nillable
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47 |
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48 | attr_reader_ref :name
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49 | attr_reader_ref :form
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50 | attr_reader_ref :type
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51 | attr_reader_ref :local_simpletype
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52 | attr_reader_ref :local_complextype
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53 | attr_reader_ref :constraint
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54 | attr_reader_ref :maxoccurs
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55 | attr_reader_ref :minoccurs
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56 | attr_reader_ref :nillable
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57 |
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58 | attr_accessor :ref
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59 |
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60 | def initialize(name = nil, type = nil)
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61 | super()
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62 | @name = name
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63 | @form = nil
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64 | @type = type
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65 | @local_simpletype = @local_complextype = nil
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66 | @constraint = nil
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67 | @maxoccurs = '1'
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68 | @minoccurs = '1'
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69 | @nillable = nil
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70 | @ref = nil
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71 | @refelement = nil
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72 | end
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73 |
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74 | def refelement
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75 | @refelement ||= (@ref ? root.collect_elements[@ref] : nil)
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76 | end
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77 |
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78 | def targetnamespace
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79 | parent.targetnamespace
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80 | end
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81 |
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82 | def elementformdefault
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83 | parent.elementformdefault
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84 | end
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85 |
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86 | def elementform
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87 | self.form.nil? ? parent.elementformdefault : self.form
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88 | end
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89 |
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90 | def parse_element(element)
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91 | case element
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92 | when SimpleTypeName
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93 | @local_simpletype = SimpleType.new
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94 | @local_simpletype
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95 | when ComplexTypeName
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96 | @type = nil
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97 | @local_complextype = ComplexType.new
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98 | @local_complextype
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99 | when UniqueName
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100 | @constraint = Unique.new
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101 | @constraint
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102 | else
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103 | nil
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104 | end
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105 | end
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106 |
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107 | def parse_attr(attr, value)
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108 | case attr
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109 | when NameAttrName
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110 | # namespace may be nil
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111 | if directelement? or elementform == 'qualified'
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112 | @name = XSD::QName.new(targetnamespace, value.source)
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113 | else
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114 | @name = XSD::QName.new(nil, value.source)
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115 | end
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116 | when FormAttrName
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117 | @form = value.source
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118 | when TypeAttrName
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119 | @type = value
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120 | when RefAttrName
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121 | @ref = value
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122 | when MaxOccursAttrName
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123 | if parent.is_a?(All)
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124 | if value.source != '1'
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125 | raise Parser::AttrConstraintError.new(
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126 | "cannot parse #{value} for #{attr}")
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127 | end
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128 | end
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129 | @maxoccurs = value.source
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130 | when MinOccursAttrName
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131 | if parent.is_a?(All)
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132 | unless ['0', '1'].include?(value.source)
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133 | raise Parser::AttrConstraintError.new(
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134 | "cannot parse #{value} for #{attr}")
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135 | end
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136 | end
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137 | @minoccurs = value.source
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138 | when NillableAttrName
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139 | @nillable = (value.source == 'true')
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140 | else
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141 | nil
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142 | end
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143 | end
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144 |
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145 | private
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146 |
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147 | def directelement?
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148 | parent.is_a?(Schema)
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149 | end
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150 | end
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151 |
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152 |
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153 | end
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154 | end
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