Sha256: dc263c740828f4cd6ce7eb433adf46d023f1876b0c693bdf146799d8999142e7

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Size: 1.42 KB

Versions: 17

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Stored size: 1.42 KB

Contents

# encoding: utf-8
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/rpm/blob/master/LICENSE for complete details.

module NewRelic
  module Agent
    class RulesEngine
      class SegmentTermsRule
        SEGMENT_PLACEHOLDER               = '*'.freeze
        ADJACENT_PLACEHOLDERS_REGEX       = %r{((?:^|/)\*)(?:/\*)*}.freeze
        ADJACENT_PLACEHOLDERS_REPLACEMENT = '\1'.freeze

        attr_reader :prefix, :terms

        def initialize(options)
          @prefix          = options['prefix']
          @terms           = options['terms']
          @trim_range      = (@prefix.size..-1)
        end

        def terminal?
          true
        end

        def matches?(string)
          string.start_with?(@prefix)
        end

        def apply(string)
          rest          = string[@trim_range]
          leading_slash = rest.slice!(LEADING_SLASH_REGEX)

          segments = rest.split(SEGMENT_SEPARATOR)
          segments.map! { |s| @terms.include?(s) ? s : SEGMENT_PLACEHOLDER }
          transformed_suffix = collapse_adjacent_placeholder_segments(segments)

          "#{@prefix}#{leading_slash}#{transformed_suffix}"
        end

        def collapse_adjacent_placeholder_segments(segments)
          joined = segments.join(SEGMENT_SEPARATOR)
          joined.gsub!(ADJACENT_PLACEHOLDERS_REGEX, ADJACENT_PLACEHOLDERS_REPLACEMENT)
          joined
        end
      end
    end
  end
end

Version data entries

17 entries across 17 versions & 1 rubygems

Version Path
newrelic_rpm-3.14.2.312 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.14.1.311 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.14.0.305 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.13.2.302 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.13.1.300 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.13.0.299 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.12.1.298 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.12.0.288 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.11.2.286 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.11.1.284 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.11.0.283 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.10.0.279 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.9.9.275 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.9.8.273 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.9.7.266 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.9.6.257 lib/new_relic/agent/rules_engine/segment_terms_rule.rb
newrelic_rpm-3.9.5.251 lib/new_relic/agent/rules_engine/segment_terms_rule.rb