1 | # This module is related to the ticket #36
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2 | require 'date'
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3 | require 'time'
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4 |
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5 | module OpenEHR
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6 | module Assumed_Library_Types
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7 | class Any < Object
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8 |
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9 | end # of Any
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10 | class Interval < Any
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11 | attr_reader :lower, :lower_included, :lower_unbounded
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12 | attr_reader :upper, :upper_included, :upper_unbounded
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13 | def initialize(lower, upper,
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14 | lower_included = nil, upper_included = nil)
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15 | check_lower_upper(lower, upper)
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16 | set_lower_included(lower_included)
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17 | set_upper_included(upper_included)
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18 | end
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19 |
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20 | def set_lower(lower)
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21 | check_lower_upper(lower, @upper)
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22 | end
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23 |
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24 | def set_upper(upper)
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25 | check_lower_upper(@lower, upper)
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26 | end
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27 |
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28 | def set_lower_included(lower_included)
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29 | if (lower == nil) && (lower_included != nil)
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30 | raise ArgumentError, "lower is not set"
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31 | end
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32 | @lower_included = lower_included
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33 | end
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34 |
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35 | def set_upper_included(upper_included)
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36 | @upper_included = upper_included
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37 | if (upper == nil) && (upper_included != nil)
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38 | raise ArgumentError, "upper is not set"
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39 | end
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40 | end
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41 |
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42 | def has?(value)
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43 | if ((@lower < value) && (value < @upper) ||
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44 | (@lower_included == true) && (@lower == value) ||
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45 | (@upper_included == true) && (@upper == value))
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46 | true
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47 | else
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48 | false
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49 | end
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50 | end
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51 |
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52 | private
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53 |
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54 | def check_lower_upper(lower, upper)
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55 | if (lower == nil) && (upper == nil)
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56 | raise ArgumentError, "Either lower or upper must be assigned"
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57 | end
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58 | if (lower == nil) && (upper != nil)
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59 | @lower_unbounded = true
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60 | elsif (lower != nil) && (upper == nil)
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61 | @upper_unbounded = true
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62 | elsif lower > upper
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63 | raise ArgumentError, "Upper must be larger than lower."
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64 | end
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65 | @lower = lower
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66 | @upper = upper
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67 | end
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68 | end # end of Interval
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69 |
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70 | class TIME_DEFINITIONS < Any
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71 | DAYS_IN_LEAP_YEAR = 366
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72 | DAYS_IN_WEEK = 7
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73 | DAYS_IN_YEAR = 365
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74 | HOURS_IN_DAY = 24
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75 | MAX_DAYS_IN_MONTH = 31
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76 | MAX_DAYS_IN_YEAR = 366
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77 | MINUTES_IN_HOUR = 60
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78 | MONTH_IN_YEAR = 12
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79 | NOMINAL_DAYS_IN_MONTH = 30.42
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80 | NOMINAL_DAYS_IN_YEAR = 365.24
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81 | SECONDS_IN_MINUTE = 60
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82 |
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83 | def self.valid_year?(year)
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84 | year >= 0
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85 | end
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86 |
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87 | def self.valid_day?(y, m, d)
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88 | Date.valid_date?(y,m,d) and valid_year? y
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89 | end
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90 |
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91 | def self.valid_hour?(h,m = nil, s = nil)
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92 | if !m.nil? and !valid_minute?(m)
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93 | return false
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94 | end
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95 | if !s.nil? and (!m.nil? and !valid_second?(s))
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96 | return false
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97 | end
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98 | (h >= 0 and h < HOURS_IN_DAY) or (h == HOURS_IN_DAY and m == 0 and s == 0)
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99 | end
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100 | def self.valid_minute?(mi)
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101 | mi >= 0 and mi < MINUTES_IN_HOUR
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102 | end
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103 | def self.valid_second?(s)
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104 | s >= 0 and s < SECONDS_IN_MINUTE
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105 | end
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106 | def self.valid_month?(mo)
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107 | mo >= 1 and mo <= MONTH_IN_YEAR
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108 | end
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109 | end # end of TIME_DEFINITIONS
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110 |
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111 | class ISO8601_DATE < TIME_DEFINITIONS
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112 | attr_reader :year, :month, :day
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113 | def initialize(year = nil, month = nil, day = nil)
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114 | @year = @month = @day = nil
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115 | if !year.nil?
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116 | self.year = year
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117 | end
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118 | if !month.nil?
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119 | self.month = month
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120 | end
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121 | if !day.nil?
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122 | self.day = day
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123 | end
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124 | end
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125 | def year=(year)
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126 | raise ArgumentError, "Year is not valid" if !ISO8601_DATE.valid_year?(year)
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127 | @year = year
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128 | end
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129 | def month=(month)
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130 | raise ArgumentError, "Month is not valid" if !ISO8601_DATE.valid_month?(month)
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131 | @month = month
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132 | end
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133 | def day=(day)
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134 | raise ArgumentError, "Day is not valid" if !ISO8601_DATE.valid_day?(@year, @month, day)
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135 | @day = day
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136 | end
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137 | def as_string
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138 | if (!@year.nil? and !@month.nil? and !@day.nil?)
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139 | Date.new(@year, @month, @day).to_s
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140 | elsif (!@year.nil? and !@month.nil? and @day.nil?)
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141 | Date.new(@year, @month).to_s[0,7]
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142 | elsif (!@year.nil? and @month.nil? and @day.nil?)
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143 | Date.new(@year).to_s[0,4]
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144 | end
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145 | end
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146 | def month_unknown?
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147 | @month.nil?
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148 | end
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149 | def day_unknown?
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150 | @day.nil?
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151 | end
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152 | def is_extended?
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153 | true
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154 | end
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155 | def is_partial?
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156 | month_unknown? or day_unknown?
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157 | end
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158 | def self.valid_iso8601_date?(string)
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159 | begin
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160 | Date.parse(string)
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161 | rescue
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162 | return false
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163 | end
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164 | true
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165 | end
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166 |
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167 | end # end of ISO8601_DATE
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168 |
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169 | class ISO8601_TIME < TIME_DEFINITIONS
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170 | attr_reader :hour, :minute, :second, :fractional_second, :timezone
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171 | def initialize(hh, mm = nil, ss = nil, msec = nil, tz = nil)
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172 | raise ArgumentError, "Not valid hour format" if !ISO8601_TIME.valid_hour?(hh,mm,ss)
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173 | @hour = hh; @minute = mm; @second = ss
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174 | @fractional_second = msec; @timezone = tz
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175 | end
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176 | def hour=(hour)
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177 | raise ArgumentError, "hour is not valid" if !ISO8601_TIME.valid_hour?(hour, @minute, @second)
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178 | @hour = hour
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179 | end
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180 | def minute_unknown?
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181 | @minute.nil?
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182 | end
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183 | def minute=(minute)
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184 | raise ArgumentError, "minute is not valid" if !minute.nil? and !ISO8601_TIME.valid_minute?(minute)
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185 | @minute = minute
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186 | end
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187 | def second_unknown?
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188 | @second.nil?
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189 | end
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190 | def second=(second)
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191 | raise ArgumentError, "minute not defined" if @minute.nil?
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192 | raise ArgumentError, "second is not valid" if !second.nil? and !ISO8601_TIME.valid_second?(second)
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193 | @second = second
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194 | end
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195 | def fractional_second=(fractional_second)
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196 | raise ArgumentError, "minute not defined" if minute_unknown?
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197 | raise ArgumentError, "second not defined" if second_unknown?
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198 | raise ArgumentError, "fractional second should be lower than 1.0" if fractional_second >= 1.0
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199 | @fractional_second = fractional_second
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200 | end
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201 | def has_fractional_second?
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202 | if @fractional_second.nil?
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203 | return false
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204 | else
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205 | return true
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206 | end
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207 | end
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208 | def is_decimal_sign_comma?
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209 | true
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210 | end
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211 | def is_extended?
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212 | true
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213 | end
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214 | def is_partial?
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215 | second_unknown? or minute_unknown?
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216 | end
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217 | def as_string
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218 | s = sprintf("%02d", @hour)
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219 | if !@minute.nil?
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220 | s += ":" + sprintf("%02d",@minute)
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221 | if !@second.nil?
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222 | s += ":" + sprintf("%02d", @second)
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223 | if !@fractional_second.nil?
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224 | s += "," + @fractional_second.to_s[2..-1]
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225 | if !@timezone.nil?
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226 | s += @timezone
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227 | end
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228 | end
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229 | end
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230 | end
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231 | s
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232 | end
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233 | def self.valid_iso8601_time?(s)
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234 | if /(\d{2}):?(\d{2})?(:?)(\d{2})?((\.|,)(\d+))?(Z|([+-](\d{2}):?(\d{2})))?/ =~ s
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235 | # ISO 8601 regular expression by H. Yuki
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236 | # http://digit.que.ne.jp/work/wiki.cgi?Perl%E3%83%A1%E3%83%A2%2FW3C%E5%BD%A2%E5%BC%8F%E3%81%AE%E6%97%A5%E6%99%82%E3%81%AE%E8%A7%A3%E6%9E%90
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237 | # (\d{4})(?:-(\d{2})(?:-(\d{2})(?:T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d))?)?(Z|([+-]\d{2}):(\d{2}))?)?)?)?
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238 | hh = $1; mm = $2; ss = $4; msec = $7; tz = $8
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239 | if hh.to_i == HOURS_IN_DAY and (mm.nil? or mm.to_i == 0) and (ss.nil? or ss.to_i == 0) and (msec.nil? or msec.to_i==0)
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240 | return true
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241 | end
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242 | if hh.nil? or (hh.to_i < 0 or hh.to_i >= HOURS_IN_DAY)
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243 | return false
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244 | end
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245 | if !mm.nil?
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246 | if !self.valid_minute?(mm.to_i)
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247 | return false
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248 | end
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249 | end
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250 | if !ss.nil?
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251 | if !self.valid_second?(ss.to_i)
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252 | return false
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253 | end
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254 | end
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255 | if !tz.nil? and tz != "Z"
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256 | if /[+-](\d{2}):?(\d{2})/ =~ tz
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257 | h = $1; m = $2
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258 | if h.to_i < 0 or h.to_i >= HOURS_IN_DAY
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259 | return false
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260 | end
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261 | if m.to_i < 0 or m.to_i >= MINUTES_IN_HOUR
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262 | return false
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263 | end
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264 | else
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265 | return false
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266 | end
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267 | end
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268 | return true
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269 | else
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270 | return false
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271 | end
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272 | end
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273 | end # end of ISO8601_TIME
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274 |
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275 | class ISO8601_TIMEZONE
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276 | attr_accessor :sign, :hour, :minute
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277 | def is_gmt?
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278 | @sign == "+1" and @hour == 0 and @minute == 0
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279 | end
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280 | def as_string
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281 | if @sign == "+1"
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282 | s = "+"
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283 | elsif @sign == "-1"
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284 | s = "-"
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285 | end
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286 | sprintf("Z%s%02d%02d", s, @hour, @minute)
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287 | end
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288 | end # end of ISO8601_TIMEZONE
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289 | end # end of Assumed_Types
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290 | end # end of OpenEHR
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