Class: Raven::LineCache

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

Constant Summary collapse

CACHE = 
{}

Class Method Summary collapse

Class Method Details

.getline(path, n) ⇒ Object 



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# File 'lib/raven/linecache.rb', line 21

def getline(path, n)
  return nil if n < 1
  lines = getlines(path)
  return nil if lines == nil
  lines[n - 1]
end

.getlines(path) ⇒ Object 



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# File 'lib/raven/linecache.rb', line 13

def getlines(path)
  CACHE[path] ||= begin
    IO.readlines(path)
  rescue
    nil
  end
end

.is_valid_file(path) ⇒ Object 



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# File 'lib/raven/linecache.rb', line 8

def is_valid_file(path)
  lines = getlines(path)
  return lines != nil
end