Class: TeeLogger::Filter::Recursive

Inherits:
FilterBase show all
Defined in:
lib/teelogger/filters/recursive.rb

Overview

The Recursive filter takes Hashes or Arrays, and recursively applies the other filters to their values.

Constant Summary collapse

FILTER_TYPES = 
[Enumerable]
WINDOW_SIZE = 
1

Instance Attribute Summary

Attributes inherited from FilterBase

#run_data

Instance Method Summary collapse

Methods inherited from FilterBase

#initialize

Constructor Details

This class inherits a constructor from TeeLogger::Filter::FilterBase

Instance Method Details

#process(*args) ⇒ Object 



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# File 'lib/teelogger/filters/recursive.rb', line 19

def process(*args)
  # For each argument, recurse processing. Note that due to the window
  # size of one, args is only an element long - but let's write this out
  # properly.
  processed_args = []

  args.each do |arg|
    # So we have an Enumerable, but we don't know whether it's Array-like
    # or Hash-like. We'll check whether it responds to ".keys", and then
    # treat it as a Hash.
    processed = nil
    if arg.respond_to? :keys
      processed = {}
      # Looks like a Hash, treat it like a Hash
      arg.each do |key, value|

        # If the key is a match, we'll just redact the entire value.
        redacted = false
        run_data[:words].each do |word|
          if word.match(key.to_s)
             processed[key] = ::TeeLogger::Filter::REDACTED_WORD
             redacted = true
             break
          end
        end

        # Otherwise, pass it through
        if not redacted
          processed[key] = run_data[:filters].apply_filters_internal(run_data, value)[0]
        end
      end
    else
      # Treat it like an Array
      processed = run_data[:filters].apply_filters_internal(run_data, *arg)
    end

    processed_args << processed
  end

  return processed_args
end