Class: JsonPath::Builder

Inherits:
Object
  • Object
show all
Defined in:
lib/json-path-builder/builder.rb

Overview

rubocop:disable Metrics/ClassLength

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent_path_context: nil) ⇒ Builder

Returns a new instance of Builder.



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# File 'lib/json-path-builder/builder.rb', line 9

def initialize(parent_path_context: nil)
  @parent_path_context = parent_path_context
  @path_context_collection = PathContextCollection.new(self)
end

Instance Attribute Details

#parent_path_context ⇒ Object (readonly)

Returns the value of attribute parent_path_context.



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# File 'lib/json-path-builder/builder.rb', line 4

def parent_path_context
  @parent_path_context
end

#path_context_collection ⇒ Object (readonly)

Returns the value of attribute path_context_collection.



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# File 'lib/json-path-builder/builder.rb', line 4

def path_context_collection
  @path_context_collection
end

Class Method Details

.build_for(path_contexts, &each_value_block) ⇒ Object 



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# File 'lib/json-path-builder/builder.rb', line 87

def build_for(path_contexts, &each_value_block)
  mapped_data = {}
  identity_proc = proc { |val| val }
  each_value_block = identity_proc unless each_value_block.is_a?(Proc)

  path_contexts.each do |path_context|
    path_context.with_prev_mapped_data(mapped_data)

    if path_context.unmatched_nested?
      set_mapped_value(mapped_data, key: path_context.to, value: get_fallback_value(path_context))
      next path_context
    end

    picked_value = value_at(path_context)
    transformed_value = get_transformed_value(picked_value, path_context)
    transformed_value = each_value_block.call(transformed_value, path_context)

    set_mapped_value(mapped_data, key: path_context.to, value: transformed_value)
  end
  mapped_data
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/json-path-builder/builder.rb', line 71

def build
  raise 'source data must be filled' if source_data.nil?

  build_for(source_data)
end

#build_for(data, &each_value_block) ⇒ Object 



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# File 'lib/json-path-builder/builder.rb', line 77

def build_for(data, &each_value_block)
  path_contexts = with_source_data(data).path_context_collection
  self.class.build_for(path_contexts, &each_value_block)
end

#from(json_path, to: nil, transform: nil, defaults: nil, fallback: nil, transform_with_builder: false) ⇒ Object

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# File 'lib/json-path-builder/builder.rb', line 27

def from(json_path, to: nil, transform: nil, defaults: nil, fallback: nil, transform_with_builder: false)
  @path_context_collection.add_path(json_path, self,
                                    iterable_data: false,
                                    to: to,
                                    transform: transform,
                                    use_builder: transform_with_builder,
                                    defaults: defaults,
                                    fallback_proc: fallback,
                                    skip_if_proc: nil)

  self
end

#from_each(json_path, to: nil, transform: nil, skip_if: nil, defaults: nil, fallback: nil, transform_with_builder: false) ⇒ Object

rubocop:disable Metrics/ParameterLists



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# File 'lib/json-path-builder/builder.rb', line 43

def from_each(json_path, to: nil, transform: nil, skip_if: nil, defaults: nil, fallback: nil,
              transform_with_builder: false)
  @path_context_collection.add_path(json_path, self,
                                    to: to,
                                    iterable_data: true,
                                    transform: transform,
                                    use_builder: transform_with_builder,
                                    defaults: defaults,
                                    fallback_proc: fallback,
                                    skip_if_proc: skip_if)

  self
end

#keys ⇒ Object 



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# File 'lib/json-path-builder/builder.rb', line 231

def keys
  path_context_collection.map(&:to)
end

#paths? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/json-path-builder/builder.rb', line 82

def paths?
  @path_context_collection.count.positive?
end

#with_source_data(data) ⇒ Object

rubocop:enable Metrics/ParameterLists



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# File 'lib/json-path-builder/builder.rb', line 59

def with_source_data(data)
  path_context_collection.with_source_data(data)

  self
end

#with_wrapped_data_class(klass) ⇒ Object 



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# File 'lib/json-path-builder/builder.rb', line 20

def with_wrapped_data_class(klass)
  path_context_collection.with_wrapped_data_class(klass)

  self
end

#within(json_path, &block) ⇒ Object 



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# File 'lib/json-path-builder/builder.rb', line 14

def within(json_path, &block)
  path_context_collection.within(json_path, &block)

  self
end

#without_from_paths!(from_paths_to_remove) ⇒ Object 



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# File 'lib/json-path-builder/builder.rb', line 65

def without_from_paths!(from_paths_to_remove)
  path_context_collection.reject_from_paths!(from_paths_to_remove)

  self
end