Class: CwlogTail::Options

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

Constant Summary collapse

DEFAULT_INTERVAL = 
5
DEFAULT_PAGE_COUNT = 
3

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ Options

Returns a new instance of Options.



6
7
8
 
# File 'lib/cwlog_tail/options.rb', line 6

def initialize(argv)
  @argv = argv
end

Instance Method Details

#follow? ⇒ Boolean

Returns:

  • (Boolean) 


10
11
12
 
# File 'lib/cwlog_tail/options.rb', line 10

def follow?
  @argv.member?('-f') || @argv.member?('--follow')
end

#interval ⇒ Object 



24
25
26
27
28
29
30
31
32
 
# File 'lib/cwlog_tail/options.rb', line 24

def interval
  idx = @argv.index('--interval')
  return DEFAULT_INTERVAL unless idx

  interval = @argv[idx + 1].to_i
  return DEFAULT_INTERVAL if interval <= 0

  interval
end

#lines ⇒ Object 



14
15
16
17
18
19
20
21
22
 
# File 'lib/cwlog_tail/options.rb', line 14

def lines
  idx = @argv.index('-n') || @argv.index('--lines')
  return nil unless idx

  lines = @argv[idx + 1].to_i
  return nil if lines <= 0

  lines
end

#log_group ⇒ Object 



44
45
46
47
48
49
 
# File 'lib/cwlog_tail/options.rb', line 44

def log_group
  idx = @argv.index('--log_group')
  return nil unless idx

  @argv[idx + 1]
end

#log_stream ⇒ Object 



51
52
53
54
55
56
 
# File 'lib/cwlog_tail/options.rb', line 51

def log_stream
  idx = @argv.index('--log_stream')
  return nil unless idx

  @argv[idx + 1]
end

#page_count ⇒ Object 



34
35
36
37
38
39
40
41
42
 
# File 'lib/cwlog_tail/options.rb', line 34

def page_count
  idx = @argv.index('--page_count')
  return DEFAULT_PAGE_COUNT unless idx

  page_count = @argv[idx + 1].to_i
  return DEFAULT_PAGE_COUNT if page_count <= 0

  page_count
end

#version? ⇒ Boolean

Returns:

  • (Boolean) 


58
59
60
 
# File 'lib/cwlog_tail/options.rb', line 58

def version?
  @argv.member?('--version')
end