Class: Spider::QueryFuncs::Substr

Inherits:

UnaryFunction

• Object
• Function
• UnaryFunction
• Spider::QueryFuncs::Substr

Defined in:

lib/spiderfw/model/query_funcs.rb

Instance Attribute Summary

• #length ⇒ Object readonly

  Returns the value of attribute length.

• #start ⇒ Object readonly

  Returns the value of attribute start.

Attributes inherited from Function

#mapper_fields

Instance Method Summary

• #initialize(el, start, length = nil) ⇒ Substr constructor

  A new instance of Substr.

Methods inherited from UnaryFunction

#elements

Methods inherited from Function

#aggregate?, #as, #elements, func_name, #func_name, #has_aggregates?, inherited, #inner_elements, #inspect

Constructor Details

#initialize(el, start, length = nil) ⇒ Substr

Returns a new instance of Substr.

# File 'lib/spiderfw/model/query_funcs.rb', line 188

def initialize(el, start, length=nil)
    @el = el
    @start = start
    @length = length
end

Instance Attribute Details

#length ⇒ Object (readonly)

Returns the value of attribute length.

# File 'lib/spiderfw/model/query_funcs.rb', line 186

def length
  @length
end

#start ⇒ Object (readonly)

Returns the value of attribute start.

# File 'lib/spiderfw/model/query_funcs.rb', line 186

def start
  @start
end