Class: ICalParseUtil

Inherits:
Object
  • Object
show all
Defined in:
lib/ical_parse_util.rb

Class Method Summary collapse

Class Method Details

.parse_date_value(s, tzid = 'UTC') ⇒ Object 



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# File 'lib/ical_parse_util.rb', line 11

def parse_date_value(s, tzid = 'UTC')
  timezone = java.util.TimeZone.get_time_zone(tzid || 'UTC')
  s ? JIcalParseUtil.parse_date_value(s, timezone) : nil
end

.parse_datetime(s, tzid = nil) ⇒ Object 



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# File 'lib/ical_parse_util.rb', line 70

def parse_datetime(s, tzid = nil)
  s =~ /(;TZID=([^\s]+))?:([^\s]+)/
  parse_jtime($3, $2 || tzid)
end

.parse_jtime(s, tzid = 'UTC') ⇒ Object 



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# File 'lib/ical_parse_util.rb', line 16

def parse_jtime(s, tzid = 'UTC')
  return nil unless s
  value = parse_date_value(s, tzid)
  case value
  when DateTimeValue
    JTime.from_date_time_value(value)
  when DateValue
    timezone = org.joda.time.DateTimeZone.forID(tzid)
    JTime.from_date_value(value, timezone)
  end
end

.parse_recurrence(s) ⇒ Object

Parse a recurrence block and returns DTSTART, DTEND, RRULE, EXRULE, RDATE, and EXDATE



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# File 'lib/ical_parse_util.rb', line 29

def parse_recurrence(s)
  result = {}
  
  # Strip out all the begin..end blocks
  s = s.gsub(/BEGIN.*END[^\s]+/m, '')
  
  s =~ /(DTSTART[^\s]+)/
  result[:dtstart] = $1 if $1
  
  s =~ /(DTEND[^\s]+)/
  result[:dtend] = $1 if $1
  
  s =~ /(RRULE[^\s]+)/
  result[:rrule] = $1 if $1
  
  s =~ /(EXRULE[^\s]+)/
  result[:exrule] = $1 if $1
  
  s =~ /(RDATE[^\s]+)/
  result[:rdate] = $1 if $1
  
  s =~ /(EXDATE[^\s]+)/
  result[:exdate] = $1 if $1
  
  result
end

.parse_recurrence_id(s, tzid = 'UTC') ⇒ Object

Parse a RECURRENCE-ID into a JTime. Various formats of this property are permitted, except for the “range” parameter

Raises:

  • (ArgumentError) 


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# File 'lib/ical_parse_util.rb', line 59

def parse_recurrence_id(s, tzid = 'UTC')
  raise ArgumentError, 'range parameter not supported' if s =~ /RANGE=/ 

  s =~ /TZID=([^:;]+)/
  tzid = $1 || tzid
  
  # Clean up ISO 8601 format and extra parameters
  s = s.gsub(/;[^:]+:|[\-:]/, '')
  parse_jtime(s, tzid)
end