Rufus::CronLine

    # File lib/rufus/sc/cronline.rb, line 48
48:     def initialize(line)
49: 
50:       super()
51: 
52:       @original = line
53: 
54:       items = line.split
55: 
56:       @timezone = (TZInfo::Timezone.get(items.last) rescue nil)
57:       items.pop if @timezone
58: 
59:       raise ArgumentError.new(
60:         "not a valid cronline : '#{line}'"
61:       ) unless items.length == 5 or items.length == 6
62: 
63:       offset = items.length - 5
64: 
65:       @seconds = offset == 1 ? parse_item(items[0], 0, 59) : [ 0 ]
66:       @minutes = parse_item(items[0 + offset], 0, 59)
67:       @hours = parse_item(items[1 + offset], 0, 24)
68:       @days = parse_item(items[2 + offset], 1, 31)
69:       @months = parse_item(items[3 + offset], 1, 12)
70:       @weekdays = parse_weekdays(items[4 + offset])
71:     end

    # File lib/rufus/sc/cronline.rb, line 75
75:     def matches?(time)
76: 
77:       time = Time.at(time) unless time.kind_of?(Time)
78: 
79:       time = @timezone.utc_to_local(time.getutc) if @timezone
80: 
81:       return false unless sub_match?(time.sec, @seconds)
82:       return false unless sub_match?(time.min, @minutes)
83:       return false unless sub_match?(time.hour, @hours)
84:       return false unless sub_match?(time.day, @days)
85:       return false unless sub_match?(time.month, @months)
86:       return false unless sub_match?(time.wday, @weekdays)
87:       true
88:     end

     # File lib/rufus/sc/cronline.rb, line 117
117:     def next_time(now=Time.now)
118: 
119:       time = @timezone ? @timezone.utc_to_local(now.getutc) : now
120: 
121:       time = time - time.usec * 1e-6 + 1
122:         # little adjustment before starting
123: 
124:       loop do
125: 
126:         unless date_match?(time)
127:           time += (24 - time.hour) * 3600 - time.min * 60 - time.sec
128:           next
129:         end
130:         unless sub_match?(time.hour, @hours)
131:           time += (60 - time.min) * 60 - time.sec
132:           next
133:         end
134:         unless sub_match?(time.min, @minutes)
135:           time += 60 - time.sec
136:           next
137:         end
138:         unless sub_match?(time.sec, @seconds)
139:           time += 1
140:           next
141:         end
142: 
143:         break
144:       end
145: 
146:       if @timezone
147:         time = @timezone.local_to_utc(time)
148:         time = time.getlocal unless now.utc?
149:       end
150: 
151:       time
152:     end

     # File lib/rufus/sc/cronline.rb, line 158
158:     def to_array
159: 
160:       [
161:         @seconds,
162:         @minutes,
163:         @hours,
164:         @days,
165:         @months,
166:         @weekdays,
167:         @timezone ? @timezone.name : nil
168:       ]
169:     end

     # File lib/rufus/sc/cronline.rb, line 258
258:     def date_match?(date)
259: 
260:       return false unless sub_match?(date.day, @days)
261:       return false unless sub_match?(date.month, @months)
262:       return false unless sub_match?(date.wday, @weekdays)
263:       true
264:     end

     # File lib/rufus/sc/cronline.rb, line 189
189:     def parse_item(item, min, max)
190: 
191:       return nil if item == '*'
192:       return parse_list(item, min, max) if item.index(',')
193:       return parse_range(item, min, max) if item.index('*') or item.index('-')
194: 
195:       i = Integer(item)
196: 
197:       i = min if i < min
198:       i = max if i > max
199: 
200:       [ i ]
201:     end

     # File lib/rufus/sc/cronline.rb, line 203
203:     def parse_list(item, min, max)
204: 
205:       item.split(',').inject([]) { |r, i|
206:         r.push(parse_range(i, min, max))
207:       }.flatten
208:     end

     # File lib/rufus/sc/cronline.rb, line 210
210:     def parse_range(item, min, max)
211: 
212:       i = item.index('-')
213:       j = item.index('/')
214: 
215:       return item.to_i if (not i and not j)
216: 
217:       inc = j ? Integer(item[j+1..1]) : 1
218: 
219:       istart = 1
220:       iend = 1
221: 
222:       if i
223: 
224:         istart = Integer(item[0..i - 1])
225: 
226:         if j
227:           iend = Integer(item[i + 1..j])
228:         else
229:           iend = Integer(item[i + 1..1])
230:         end
231: 
232:       else # case */x
233: 
234:         istart = min
235:         iend = max
236:       end
237: 
238:       istart = min if istart < min
239:       iend = max if iend > max
240: 
241:       result = []
242: 
243:       value = istart
244:       loop do
245:         result << value
246:         value = value + inc
247:         break if value > iend
248:       end
249: 
250:       result
251:     end

     # File lib/rufus/sc/cronline.rb, line 176
176:     def parse_weekdays(item)
177: 
178:       item = item.downcase
179: 
180:       WDS.each_with_index { |day, index| item = item.gsub(day, index.to_s) }
181: 
182:       r = parse_item(item, 0, 7)
183: 
184:       r.is_a?(Array) ?
185:         r.collect { |e| e == 7 ? 0 : e }.uniq :
186:         r
187:     end

     # File lib/rufus/sc/cronline.rb, line 253
253:     def sub_match?(value, values)
254: 
255:       values.nil? || values.include?(value)
256:     end