Class: Katalyst::Tables::Collection::Query::Parser

Inherits:
Object
  • Object
show all
Defined in:
app/models/concerns/katalyst/tables/collection/query/parser.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(collection) ⇒ Parser

Returns a new instance of Parser.



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# File 'app/models/concerns/katalyst/tables/collection/query/parser.rb', line 12

def initialize(collection)
  @collection = collection
  @tagged = {}
  @untagged = []
end

Instance Attribute Details

#collection ⇒ Object (readonly)

Returns the value of attribute collection.



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# File 'app/models/concerns/katalyst/tables/collection/query/parser.rb', line 10

def collection
  @collection
end

#query ⇒ Object

query [StringScanner]



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# File 'app/models/concerns/katalyst/tables/collection/query/parser.rb', line 9

def query
  @query
end

#tagged ⇒ Object (readonly)

Returns the value of attribute tagged.



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# File 'app/models/concerns/katalyst/tables/collection/query/parser.rb', line 10

def tagged
  @tagged
end

#untagged ⇒ Object (readonly)

Returns the value of attribute untagged.



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# File 'app/models/concerns/katalyst/tables/collection/query/parser.rb', line 10

def untagged
  @untagged
end

Instance Method Details

#parse(query) ⇒ Object

Parameters:

  • query (String) 


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# File 'app/models/concerns/katalyst/tables/collection/query/parser.rb', line 19

def parse(query)
  @query = StringScanner.new(query)

  until @query.eos?
    skip_whitespace

    # break to ensure we don't loop indefinitely on bad input
    break unless take_tagged || take_untagged
  end

  self
end

#token_at_position(position:) ⇒ Object 



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# File 'app/models/concerns/katalyst/tables/collection/query/parser.rb', line 32

def token_at_position(position:)
  tagged.values.detect { |v| v.range.cover?(position) } ||
    untagged.detect { |v| v.range.cover?(position) }
end