Class: Querly::Analyzer

Inherits:
Object
  • Object
show all
Defined in:
lib/querly/analyzer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(taggings:) ⇒ Analyzer

Returns a new instance of Analyzer.



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# File 'lib/querly/analyzer.rb', line 7

def initialize(taggings:)
  @rules = []
  @scripts = []
  @taggings = taggings
end

Instance Attribute Details

#rules ⇒ Object (readonly)

Returns the value of attribute rules.



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# File 'lib/querly/analyzer.rb', line 3

def rules
  @rules
end

#scripts ⇒ Object (readonly)

Returns the value of attribute scripts.



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# File 'lib/querly/analyzer.rb', line 4

def scripts
  @scripts
end

#taggings ⇒ Object (readonly)

Returns the value of attribute taggings.



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# File 'lib/querly/analyzer.rb', line 5

def taggings
  @taggings
end

Instance Method Details

#applicable_rule?(tagging, rule) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/querly/analyzer.rb', line 46

def applicable_rule?(tagging, rule)
  if tagging && !rule.tags.empty?
    tagging.tags_set.any? {|set| set.subset?(rule.tags) }
  else
    true
  end
end

#each_subnode(node_pair) {|node_pair| ... } ⇒ Object

Yields:

  • (node_pair) 


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# File 'lib/querly/analyzer.rb', line 54

def each_subnode(node_pair, &block)
  return unless node_pair.node

  yield node_pair

  node_pair.children.each do |child|
    each_subnode child, &block
  end
end

#find(pattern) ⇒ Object 



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# File 'lib/querly/analyzer.rb', line 32

def find(pattern)
  scripts.each do |script|
    each_subnode script.root_pair do |node_pair|
      if test_pair(node_pair, pattern)
        yield script, node_pair
      end
    end
  end
end

#run ⇒ Object

yields(script, rule, node_pair)



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# File 'lib/querly/analyzer.rb', line 16

def run
  scripts.each do |script|
    tagging = taggings.find {|tagging| tagging.applicable?(script) }

    each_subnode script.root_pair do |node_pair|
      rules.each do |rule|
        if applicable_rule?(tagging, rule)
          if rule.patterns.any? {|pattern| test_pair(node_pair, pattern) }
            yield script, rule, node_pair
          end
        end
      end
    end
  end
end

#test_pair(node_pair, pattern) ⇒ Object 



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# File 'lib/querly/analyzer.rb', line 42

def test_pair(node_pair, pattern)
  pattern.expr =~ node_pair && pattern.test_kind(node_pair)
end