source: ruby/branches/0.5/lib/open_ehr/assumed_library_types.rb

Last change on this file was 343, checked in by KOBAYASHI, Shinji, 14 years ago

ref #55
time calculation is difficult
File size: 15.2 KB
Line 
1# This module is related to the ticket #36
2require 'date'
3require 'time'
4
5module OpenEHR
6 module AssumedLibraryTypes
7 class Any < Object
8
9 end # of Any
10
11 class Interval < Any
12 attr_reader :lower, :upper
13
14 def initialize(args = {})
15 check_lower_upper(args[:lower], args[:upper])
16 self.lower_included = args[:lower_included]
17 self.upper_included = args[:upper_included]
18 end
19
20 def lower=(lower)
21 check_lower_upper(lower, @upper)
22 end
23
24 def upper=(upper)
25 check_lower_upper(@lower, upper)
26 end
27
28 def lower_included?
29 return @lower_included
30 end
31
32 def lower_included=(lower_included)
33 if (lower == nil) && (lower_included != nil)
34 raise ArgumentError, "lower is not set"
35 end
36 @lower_included = lower_included
37 end
38
39 def lower_unbounded?
40 return @lower.nil?
41 end
42
43 def upper_included?
44 return @upper_included
45 end
46
47 def upper_included=(upper_included)
48 if (@upper.nil?) && (upper_included != nil)
49 raise ArgumentError, "upper is not set"
50 end
51 @upper_included = upper_included
52 end
53
54 def upper_unbounded?
55 return @upper.nil?
56 end
57
58 def has?(value)
59 if ((@lower.nil?||@lower < value||((@lower_included == true) && (@lower == value)))&&
60 (@upper.nil?||value < @upper||((@upper_included == true) && (@upper == value))))
61 true
62 else
63 false
64 end
65 end
66
67 private
68
69 def check_lower_upper(lower, upper)
70 if lower.nil? && upper.nil?
71 raise ArgumentError, "Either lower or upper must be assigned"
72 end
73 unless (lower.nil? || upper.nil?)
74 if lower > upper
75 raise ArgumentError, "Upper must be larger than lower."
76 end
77 end
78 @lower = lower
79 @upper = upper
80 end
81 end # end of Interval
82
83 class TimeDefinitions < Any
84 DAYS_IN_LEAP_YEAR = 366
85 DAYS_IN_WEEK = 7
86 DAYS_IN_YEAR = 365
87 HOURS_IN_DAY = 24
88 MAX_DAYS_IN_MONTH = 31
89 MAX_DAYS_IN_YEAR = 366
90 MINUTES_IN_HOUR = 60
91 MONTH_IN_YEAR = 12
92 NOMINAL_DAYS_IN_MONTH = 30.42
93 NOMINAL_DAYS_IN_YEAR = 365.24
94 SECONDS_IN_MINUTE = 60
95
96 def self.valid_year?(year)
97 return !year.nil? && year >= 0
98 end
99
100 def self.valid_day?(y, m, d)
101 unless y.nil? || m.nil? || d.nil?
102 return Date.valid_date?(y,m,d)
103 end
104 if (y.nil?) || (m.nil? && !d.nil?)
105 return false
106 end
107 return self.valid_year?(y) && self.valid_month?(m)
108 end
109
110 def self.valid_hour?(h,m = nil, s = nil)
111 if h.nil?
112 return false
113 end
114 if !m.nil? and !valid_minute?(m)
115 return false
116 end
117 if !s.nil? and (!m.nil? and !valid_second?(s))
118 return false
119 end
120 (h >= 0 and h < HOURS_IN_DAY) or (h == HOURS_IN_DAY and m == 0 and s == 0)
121 end
122
123 def self.valid_minute?(mi)
124 mi >= 0 and mi < MINUTES_IN_HOUR
125 end
126
127 def self.valid_second?(s)
128 s >= 0 and s < SECONDS_IN_MINUTE
129 end
130
131 def self.valid_month?(mo)
132 mo >= 1 and mo <= MONTH_IN_YEAR
133 end
134 end # end of TimeDefinitions
135
136 module ISO8601DateModule
137 attr_reader :year, :month, :day
138
139 def year=(year)
140 unless ISO8601Date.valid_year?(year)
141 raise ArgumentError, "Year is not valid"
142 end
143 @year = year
144 end
145
146 def month=(month)
147 raise ArgumentError, "Month is not valid" unless month.nil? or ISO8601Date.valid_month?(month)
148 @month = month
149 end
150
151 def day=(day)
152
153 raise ArgumentError, "Day is not valid" unless day.nil? or ISO8601Date.valid_day?(@year, @month, day)
154 @day = day
155 end
156
157 def as_string
158 if (!@year.nil? and !@month.nil? and !@day.nil?)
159 Date.new(@year, @month, @day).to_s
160 elsif (!@year.nil? and !@month.nil? and @day.nil?)
161 Date.new(@year, @month).to_s[0,7]
162 elsif (!@year.nil? and @month.nil? and @day.nil?)
163 Date.new(@year).to_s[0,4]
164 end
165 end
166
167 def month_unknown?
168 @month.nil?
169 end
170
171 def day_unknown?
172 @day.nil?
173 end
174
175 def is_extended?
176 true
177 end
178
179 def is_partial?
180 month_unknown? or day_unknown?
181 end
182
183 protected
184 def leapyear?(year)
185 case
186 when year % 400 == 0: true
187 when year % 100 == 0: false
188 else year % 4 == 0
189 end
190 end
191 end
192
193 class ISO8601Date < TimeDefinitions
194 include ISO8601DateModule
195 def initialize(string)
196 /(\d{4})(?:-(\d{2})(?:-(\d{2})?)?)?/ =~ string
197 if $1.nil?
198 raise ArgumentError, 'data invalid'
199 else
200 self.year = $1.to_i
201 end
202 if $2.nil?
203 self.month = nil
204 else
205 self.month = $2.to_i
206 end
207 if $3.nil?
208 self.day = nil
209 else
210 self.day = $3.to_i
211 end
212 end
213
214 def self.valid_iso8601_date?(string)
215 begin
216 Date.parse(string)
217 rescue
218 return false
219 end
220 true
221 end
222 end # end of ISO8601_DATE
223
224 module ISO8601TimeModule
225 attr_reader :hour, :minute, :second, :fractional_second, :timezone
226
227 def hour=(hour)
228 unless ISO8601Time.valid_hour?(hour, @minute, @second)
229 raise ArgumentError, "hour is not valid"
230 end
231 @hour = hour
232 end
233
234 def minute_unknown?
235 @minute.nil?
236 end
237
238 def minute=(minute)
239 raise ArgumentError, "minute is not valid" if !minute.nil? and !ISO8601Time.valid_minute?(minute)
240 @minute = minute
241 end
242
243 def second_unknown?
244 @second.nil?
245 end
246
247 def second=(second)
248 raise ArgumentError, "minute not defined" if @minute.nil? and !second.nil?
249 raise ArgumentError, "second is not valid" if !second.nil? and !ISO8601Time.valid_second?(second)
250 @second = second
251 end
252
253 def fractional_second=(fractional_second)
254 raise ArgumentError, "minute not defined" if minute_unknown? and !fractional_second.nil?
255 raise ArgumentError, "second not defined" if second_unknown? and !fractional_second.nil?
256 if !fractional_second.nil? &&
257 (fractional_second < 0.0 || fractional_second >= 1.0)
258 raise ArgumentError, 'fractional second should be between 0.0 - 1.0'
259 end
260 @fractional_second = fractional_second
261 end
262
263 def has_fractional_second?
264 return !@fractional_second.nil?
265 end
266
267 def timezone=(timezone)
268 unless timezone.nil? or timezone == 'Z'
269 if /[+-](\d{2}):?(\d{2})/ =~ timezone
270 @timezone = timezone
271 else
272 raise ArgumentError, "timezone invalid"
273 end
274 else
275 @timezone = nil
276 end
277 end
278
279 def is_decimal_sign_comma?
280 false
281 end
282
283 def is_extended?
284 true
285 end
286
287 def is_partial?
288 second_unknown? or minute_unknown?
289 end
290
291 def as_string
292 s = sprintf("%02d", @hour)
293 if !@minute.nil?
294 s += ":" + sprintf("%02d",@minute)
295 if !@second.nil?
296 s += ":" + sprintf("%02d", @second)
297 if !@fractional_second.nil?
298 s += "." + @fractional_second.to_s[2..-1]
299 if !@timezone.nil?
300 s += @timezone
301 end
302 end
303 end
304 end
305 return s
306 end
307 end
308
309 class ISO8601Time < TimeDefinitions
310 include ISO8601TimeModule
311 def initialize(string)
312 /(\d{2}):?(\d{2})?(:?)(\d{2})?((\.|,)(\d+))?(Z|([+-](\d{2}):?(\d{2})))?/ =~ string
313 if $2.nil?
314 self.minute = nil
315 else
316 self.minute = $2.to_i
317 end
318 if $4.nil?
319 self.second = nil
320 else
321 self.second = $4.to_i
322 end
323 if $1.nil?
324 raise ArgumentError, 'data invalid'
325 else
326 self.hour = $1.to_i
327 end
328 if $7.nil?
329 self.fractional_second = nil
330 else
331 self.fractional_second = ("0." + $7).to_f
332 end
333 if $8.nil?
334 self.timezone = nil
335 else
336 self.timezone = $8
337 end
338 end
339
340 def self.valid_iso8601_time?(s)
341 if /^(\d{2}):?(\d{2})?(:?)(\d{2})?((\.|,)(\d+))?(Z|([+-](\d{2}):?(\d{2})))?$/ =~ s
342# ISO 8601 regular expression by H. Yuki
343# 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
344# (\d{4})(?:-(\d{2})(?:-(\d{2})(?:T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d))?)?(Z|([+-]\d{2}):(\d{2}))?)?)?)?
345 hh = $1; mm = $2; ss = $4; msec = $7; tz = $8
346 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)
347 return true
348 end
349 if hh.nil? or (hh.to_i < 0 or hh.to_i >= HOURS_IN_DAY)
350 return false
351 end
352 if !mm.nil?
353 if !self.valid_minute?(mm.to_i)
354 return false
355 end
356 end
357 if !ss.nil?
358 if !self.valid_second?(ss.to_i)
359 return false
360 end
361 end
362 if !tz.nil? and tz != "Z"
363 if /[+-](\d{2}):?(\d{2})/ =~ tz
364 h = $1; m = $2
365 if h.to_i < 0 or h.to_i >= HOURS_IN_DAY
366 return false
367 end
368 if m.to_i < 0 or m.to_i >= MINUTES_IN_HOUR
369 return false
370 end
371 end
372 end
373 return true
374 else
375 return false
376 end
377 end
378 end # end of ISO8601_TIME
379
380 module ISO8601DateTimeModule
381 include ISO8601DateModule, ISO8601TimeModule
382 def as_string
383 if (!@year.nil? and !@month.nil? and !@day.nil?)
384 s = Date.new(@year, @month, @day).to_s
385 elsif (!@year.nil? and !@month.nil? and @day.nil?)
386 return Date.new(@year, @month).to_s[0,7]
387 elsif (!@year.nil? and @month.nil? and @day.nil?)
388 return Date.new(@year).to_s[0,4]
389 end
390 unless hour.nil?
391 s += sprintf("T%02d", @hour)
392 unless @minute.nil?
393 s += ":" + sprintf("%02d",@minute)
394 unless @second.nil?
395 s += ":" + sprintf("%02d", @second)
396 unless @fractional_second.nil?
397 s += "." + @fractional_second.to_s[2..-1]
398 unless @timezone.nil?
399 s += @timezone
400 end
401 end
402 end
403 end
404 end
405 return s
406 end
407 end
408
409 class ISO8601DateTime < ISO8601Date
410 include ISO8601DateTimeModule
411 def initialize(string)
412 unless /(\d{4})(?:-(\d{2})(?:-(\d{2})(?:T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d+))?)?(Z|([+-]\d{2}):?(\d{2}))?)?)?)?/ =~ string
413 raise ArgumentError, 'format invalid'
414 else
415 self.year = $1.to_i
416 end
417 if $2.nil?
418 self.month = nil
419 else
420 self.month = $2.to_i
421 end
422 if $3.nil?
423 self.day = nil
424 else
425 self.day = $3.to_i
426 end
427 if $5.nil?
428 self.minute = nil
429 else
430 self.minute = $5.to_i
431 end
432 if $6.nil?
433 self.second = nil
434 else
435 self.second = $6.to_i
436 end
437 if $4.nil?
438 self.hour = nil
439 else
440 self.hour = $4.to_i
441 end
442 if $7.nil? or $7.empty?
443 self.fractional_second = nil
444 else
445 self.fractional_second = ("0."+$7).to_f
446 end
447 if $8.nil?
448 self.timezone = nil
449 else
450 self.timezone = $9+$10
451 end
452 end
453 end
454
455 class ISO8601Timezone
456 attr_accessor :sign, :hour, :minute
457
458 def initialize(string)
459 unless /(Z|(([+-])(\d{2}):?(\d{2})))/ =~ string
460 raise ArgumentError, 'invaild format'
461 end
462 if $1 == 'Z'
463 @sign, @hour, @minute = +1, 0, 0
464 else
465 @sign, @hour, @minute = ($3+'1').to_i, $4.to_i , $5.to_i
466 end
467 end
468
469 def is_gmt?
470 @sign == +1 and @hour == 0 and @minute == 0
471 end
472
473 def as_string
474 if @sign == +1
475 s = "+"
476 elsif @sign == -1
477 s = "-"
478 end
479 sprintf("%s%02d%02d", s, @hour, @minute)
480 end
481 end # end of ISO8601Timezone
482
483 module ISO8601DurationModule
484 attr_reader :years, :months, :weeks, :days
485 attr_reader :hours, :minutes, :seconds, :fractional_second
486
487 def years=(years)
488 unless years.nil? || years >= 0
489 raise ArgumentError, 'years must be above zero'
490 end
491 @years = years
492 end
493
494 def months=(months)
495 unless months.nil? || months >= 0
496 raise ArgumentError, 'months must be above zero'
497 end
498 @months = months
499 end
500
501 def weeks=(weeks)
502 unless weeks.nil? || weeks >= 0
503 raise ArgumentError, 'weeks must be above zero'
504 end
505 @weeks = weeks
506 end
507
508 def days=(days)
509 unless days.nil? || days >= 0
510 raise ArgumentError, 'days must be above zero'
511 end
512 @days = days
513 end
514
515 def hours=(hours)
516 unless hours.nil? || hours >= 0
517 raise ArgumentError, 'hours must be above zero'
518 end
519 @hours = hours
520 end
521
522 def minutes=(minutes)
523 unless minutes.nil? || minutes >= 0
524 raise ArgumentError, 'minutes must be above zero'
525 end
526 @minutes = minutes
527 end
528
529 def seconds=(seconds)
530 unless seconds.nil? || seconds >= 0
531 raise ArgumentError, 'seconds must be above zero'
532 end
533 @seconds = seconds
534 end
535
536 def fractional_second=(fractional_second)
537 unless fractional_second.nil? || (fractional_second >= 0 && fractional_second < 1.0)
538 raise ArgumentError, 'fractional_second must be between 0.0 and 1.0'
539 end
540 @fractional_second = fractional_second
541 end
542
543 def as_string
544 str = 'P'
545 unless @years.nil?
546 str += @years.to_s + 'Y'
547 end
548 unless @months.nil?
549 str += @months.to_s + 'M'
550 end
551 unless @weeks.nil?
552 str += @weeks.to_s + 'W'
553 end
554 unless @days.nil?
555 str += @days.to_s + 'D'
556 end
557 unless @hours.nil?
558 str += 'T' + @hours.to_s + 'H'
559 unless @minutes.nil?
560 str += @minutes.to_s + 'M'
561 unless @seconds.nil?
562 str += @seconds.to_s
563 unless @fractional_second.nil?
564 str += @fractional_second.to_s[1 .. -1]
565 end
566 str += 'S'
567 end
568 end
569 end
570 return str
571 end
572 end
573
574 class ISO8601Duration < TimeDefinitions
575 include ISO8601DurationModule
576 def initialize(str)
577 /^P((\d+)Y)?((\d+)M)?((\d+)W)?((\d)D)?(T((\d+)H)?((\d+)M)?((\d+)(\.\d+)?S)?)?$/ =~ str
578 self.years = $2.to_i
579 self.months = $4.to_i
580 self.weeks = $6.to_i
581 self.days = $8.to_i
582 self.hours = $11.to_i
583 self.minutes = $13.to_i
584 self.seconds = $15.to_i
585 unless $16.nil?
586 self.fractional_second = $16.to_f
587 end
588 end
589 end # end of ISO8601Duration
590 end # end of Assumed_Types
591end # end of OpenEHR
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