Class: Dentaku::AST::StringFunctions::Contains

Inherits:

Base

• Object
• Node
• Function
• Base
• Dentaku::AST::StringFunctions::Contains

Defined in:

lib/dentaku/ast/functions/string_functions.rb

Constant Summary

Constants inherited from Function

Function::DIG

Class Method Summary

• .max_param_count ⇒ Object
• .min_param_count ⇒ Object

Instance Method Summary

• #initialize(*args) ⇒ Contains constructor

  A new instance of Contains.

• #type ⇒ Object
• #value(context = {}) ⇒ Object

Methods inherited from Base

#negative_argument_failure

Methods inherited from Function

#deferred_args, #dependencies, get, numeric, register, register_class, registry

Methods inherited from Node

arity, #dependencies, peek, precedence

Constructor Details

#initialize(*args) ⇒ Contains

Returns a new instance of Contains.

# File 'lib/dentaku/ast/functions/string_functions.rb', line 188

def initialize(*args)
  super
  @needle, @haystack = *args
end

Class Method Details

.max_param_count ⇒ Object

# File 'lib/dentaku/ast/functions/string_functions.rb', line 184

def self.max_param_count
  2
end

.min_param_count ⇒ Object

# File 'lib/dentaku/ast/functions/string_functions.rb', line 180

def self.min_param_count
  2
end

Instance Method Details

#type ⇒ Object

# File 'lib/dentaku/ast/functions/string_functions.rb', line 197

def type
  :logical
end

#value(context = {}) ⇒ Object

# File 'lib/dentaku/ast/functions/string_functions.rb', line 193

def value(context = {})
  @haystack.value(context).to_s.include? @needle.value(context).to_s
end