Class: Puppet::Pops::Lookup::DataDigFunctionProvider Private

Inherits:
FunctionProvider show all
Defined in:
lib/puppet/pops/lookup/data_dig_function_provider.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Constant Summary collapse

TAG =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future. 

'data_dig'.freeze

Instance Attribute Summary

Attributes inherited from FunctionProvider

#function_name, #locations, #parent_data_provider

Instance Method Summary collapse

Methods inherited from FunctionProvider

#create_function_context, #function_context, #initialize, #module_name, #name, #options, #to_s

Methods included from DataProvider

ensure_types_initialized, #key_lookup, key_type, #lookup, #module_name, #name, #validate_data_hash, #validate_data_value, value_type

Constructor Details

This class inherits a constructor from Puppet::Pops::Lookup::FunctionProvider

Instance Method Details

#unchecked_key_lookup(key, lookup_invocation, merge) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Performs a lookup with the assumption that a recursive check has been made.

Parameters:

  • key (LookupKey) —

    The key to lookup

  • lookup_invocation (Invocation) —

    The current lookup invocation

  • merge (MergeStrategy, String, Hash{String => Object}, nil) —

    Merge strategy, merge strategy name, strategy and options hash, or nil (implies “first found”)

Returns:

  • (Object) —

    the found object



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# File 'lib/puppet/pops/lookup/data_dig_function_provider.rb', line 16

def unchecked_key_lookup(key, lookup_invocation, merge)
  segments = key.to_a
  lookup_invocation.with(:data_provider, self) do
    MergeStrategy.strategy(merge).lookup(locations, lookup_invocation) do |location|
      if location.nil?
        value = data_dig(key, segments, lookup_invocation, nil)
        lookup_invocation.report_found(key, validate_data_value(self, value))
        key.undig(value)
      else
        lookup_invocation.with(:location, location) do
          if location.exist?
            value = data_dig(key, segments, lookup_invocation, location.location)
            lookup_invocation.report_found(key, validate_data_value(self, value))
            key.undig(value)
          else
            lookup_invocation.report_path_not_found
            throw :no_such_key
          end
        end
      end
    end
  end
end