Class: Norikra::Query::ASTEventPropNode

Inherits:
ASTNode
  • Object
show all
Defined in:
lib/norikra/query/ast.rb

Overview

EVENT_PROP_EXPR

Instance Attribute Summary

Attributes inherited from ASTNode

#children, #name

Instance Method Summary collapse

Methods inherited from ASTNode

#child, #find, #initialize, #listup, #to_a

Constructor Details

This class inherits a constructor from Norikra::Query::ASTNode

Instance Method Details

#fields(default_target = nil, known_targets_aliases = []) ⇒ Object 



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# File 'lib/norikra/query/ast.rb', line 160

def fields(default_target=nil, known_targets_aliases=[])
  props = self.listup('EVENT_PROP_SIMPLE')
  if props.size > 1 # alias.fieldname or container_fieldname.key.$1
    if known_targets_aliases.include?(props[0].child.name)
      [ {:f => props[1..-1].map{|n| n.child.name}.join("."), :t => props[0].child.name} ]
    else
      [ {:f => props.map{|n| n.child.name}.join("."), :t => default_target} ]
    end
  else # fieldname (default target)
    [ {:f => props[0].child.name, :t => default_target } ]
  end
end

#nodetype?(*sym) ⇒ Boolean

“bbb” => [“EVENT_PROP_EXPR”, [“EVENT_PROP_SIMPLE”, “bbb”]] “fraud.aaa” => [“EVENT_PROP_EXPR”, [“EVENT_PROP_SIMPLE”, “fraud”], [“EVENT_PROP_SIMPLE”, “aaa”]] “size.$0.bytes” => [“EVENT_PROP_EXPR”, [“EVENT_PROP_SIMPLE”, “size”], [“EVENT_PROP_SIMPLE”, “$0”], [“EVENT_PROP_SIMPLE”, “bytes”]]

Returns:



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# File 'lib/norikra/query/ast.rb', line 156

def nodetype?(*sym)
  sym.include?(:prop) || sym.include?(:property)
end