Class: JMESPath::TokenStream Private

Inherits:
Object
  • Object
show all
Defined in:
lib/jmespath/token_stream.rb

Overview

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.

API:

  • private

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(expression, tokens) ⇒ TokenStream

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.

Returns a new instance of TokenStream.

Parameters:

API:

  • private



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# File 'lib/jmespath/token_stream.rb', line 7

def initialize(expression, tokens)
  @expression = expression
  @tokens = tokens
  @token = nil
  @position = -1
  self.next
end

Instance Attribute Details

#expression ⇒ String<JMESPath> (readonly)

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.

Returns:

API:

  • private



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# File 'lib/jmespath/token_stream.rb', line 16

def expression
  @expression
end

#position ⇒ Integer (readonly)

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.

Returns:

API:

  • private



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# File 'lib/jmespath/token_stream.rb', line 22

def position
  @position
end

#token ⇒ Token (readonly)

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.

Returns:

API:

  • private



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# File 'lib/jmespath/token_stream.rb', line 19

def token
  @token
end

Instance Method Details

#inspect ⇒ 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.

API:

  • private



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# File 'lib/jmespath/token_stream.rb', line 35

def inspect
  str = []
  @tokens.each do |token|
    str << "%3d  %-15s %s" %
     [token.position, token.type, token.value.inspect]
  end
  str.join("\n")
end

#lookahead(count) ⇒ 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.

API:

  • private



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# File 'lib/jmespath/token_stream.rb', line 30

def lookahead(count)
  @tokens[@position + count] || Token::NULL_TOKEN
end

#next(options = {}) ⇒ 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.

Parameters:

  • (defaults to: {})

    a customizable set of options

Options Hash (options):

  • :match (Array<Symbol>) —

    Requires the next token to be one of the given symbols or an error is raised.

API:

  • private



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# File 'lib/jmespath/token_stream.rb', line 26

def next(options = {})
  validate_match(_next, options[:match])
end