Class: JSONP3::Selector

Inherits:

Object

• Object
• JSONP3::Selector

Defined in:

lib/json_p3/selector.rb

Overview

Base class for all JSONPath selectors

Direct Known Subclasses

FilterSelector, IndexSelector, NameSelector, SliceSelector, WildcardSelector

Instance Attribute Summary

• #token ⇒ Object readonly

  Returns the value of attribute token.

Instance Method Summary

• #initialize(env, token) ⇒ Selector constructor

  A new instance of Selector.

• #resolve(_node) ⇒ Array<JSONPathNode>

  Apply this selector to node.

• #resolve_enum(node) ⇒ Enumerable<JSONPathNode>

  Apply this selector to node.

• #singular? ⇒ Boolean

  Return true if this selector is a singular selector.

Constructor Details

#initialize(env, token) ⇒ Selector

Returns a new instance of Selector.

# File 'lib/json_p3/selector.rb', line 9

def initialize(env, token)
  @env = env
  @token = token
end

Instance Attribute Details

#token ⇒ Object (readonly)

Returns the value of attribute token.

# File 'lib/json_p3/selector.rb', line 7

def token
  @token
end

Instance Method Details

#resolve(_node) ⇒ Array<JSONPathNode>

Apply this selector to node.

Returns:

• (Array<JSONPathNode>)

# File 'lib/json_p3/selector.rb', line 16

def resolve(_node)
  raise "selectors must implement resolve(node)"
end

#resolve_enum(node) ⇒ Enumerable<JSONPathNode>

Apply this selector to node.

Returns:

• (Enumerable<JSONPathNode>)

# File 'lib/json_p3/selector.rb', line 22

def resolve_enum(node)
  resolve(node)
end

#singular? ⇒ Boolean

Return true if this selector is a singular selector.

Returns:

• (Boolean)

# File 'lib/json_p3/selector.rb', line 27

def singular?
  false
end