Class: Lambchop::Utils

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

Class Method Summary collapse

Class Method Details

.camelize(obj) ⇒ Object 



46
47
48
 
# File 'lib/lambchop/utils.rb', line 46

def camelize(obj)
  obj.to_s.gsub(/(?:\A|_)([a-z])/) { $1.upcase }
end

.debug? ⇒ Boolean

Returns:

  • (Boolean) 


50
51
52
 
# File 'lib/lambchop/utils.rb', line 50

def debug?
  ENV['DEBUG'] == '1'
end

.open_source(location) ⇒ Object 



23
24
25
26
27
28
29
30
31
32
 
# File 'lib/lambchop/utils.rb', line 23

def open_source(location)
  open(location) do |f|
    Zip::InputStream.open(f) do |zis|
      while entry = zis.get_next_entry
        next if entry.name =~ %r|\Anode_modules/|
        yield(entry.name, entry.get_input_stream.read)
      end
    end
  end
end

.parse_magic_comment(src) ⇒ Object 



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
# File 'lib/lambchop/utils.rb', line 7

def parse_magic_comment(src)
  ss = StringScanner.new(src)

  unless ss.scan(%r|\A\s*/\*|)
    raise 'Cannot find magic comment'
  end

  unless comment = ss.scan_until(%r|\*/|)
    raise 'Cannot find magic comment'
  end

  comment.sub!(%r|\*/\z|, '')

  [YAML.load(comment), ss.rest.sub(/\A\n/, '')]
end

.remove_shebang(src) ⇒ Object 



3
4
5
 
# File 'lib/lambchop/utils.rb', line 3

def remove_shebang(src)
  src.sub(/\A#![^\n]*\n/, '')
end

.with_error_logging ⇒ Object 



34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/lambchop/utils.rb', line 34

def with_error_logging
  begin
    yield
  rescue => e
    if debug?
      raise e
    else
      $stdout.puts("[ERROR] #{e.message}")
    end
  end
end