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Contents
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
# frozen_string_literal: true
module NewRelic
module Agent
module AttributeProcessing
module_function
EMPTY_HASH_STRING_LITERAL = '{}'.freeze
EMPTY_ARRAY_STRING_LITERAL = '[]'.freeze
def flatten_and_coerce(object, prefix = nil, result = {}, &blk)
if object.is_a?(Hash)
flatten_and_coerce_hash(object, prefix, result, &blk)
elsif object.is_a?(Array)
flatten_and_coerce_array(object, prefix, result, &blk)
elsif prefix
val = Coerce.scalar(object)
if blk
yield(prefix, val)
elsif !val.nil?
result[prefix] = val
end
else
NewRelic::Agent.logger.warn("Unexpected object: #{object.inspect} with nil prefix passed to NewRelic::Agent::AttributeProcessing.flatten_and_coerce")
end
result
end
def flatten_and_coerce_hash(hash, prefix, result, &blk)
if hash.empty?
if blk
yield(prefix, EMPTY_HASH_STRING_LITERAL)
else
result[prefix] = EMPTY_HASH_STRING_LITERAL
end
else
hash.each do |key, val|
next_prefix = prefix ? "#{prefix}.#{key}" : key.to_s
flatten_and_coerce(val, next_prefix, result, &blk)
end
end
end
def flatten_and_coerce_array(array, prefix, result, &blk)
if array.empty?
if blk
yield(prefix, EMPTY_ARRAY_STRING_LITERAL)
else
result[prefix] = EMPTY_ARRAY_STRING_LITERAL
end
else
array.each_with_index do |val, idx|
next_prefix = prefix ? "#{prefix}.#{idx}" : idx.to_s
flatten_and_coerce(val, next_prefix, result, &blk)
end
end
end
end
end
end
Version data entries
26 entries across 26 versions & 1 rubygems