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- # frozen_string_literal: true
-
- class SearchQueryParser < Parslet::Parser
- rule(:term) { match('[^\s":]').repeat(1).as(:term) }
- rule(:quote) { str('"') }
- rule(:colon) { str(':') }
- rule(:space) { match('\s').repeat(1) }
- rule(:operator) { (str('+') | str('-')).as(:operator) }
- rule(:prefix) { (term >> colon).as(:prefix) }
- rule(:shortcode) { (colon >> term >> colon.maybe).as(:shortcode) }
- rule(:phrase) { (quote >> (term >> space.maybe).repeat >> quote).as(:phrase) }
- rule(:clause) { (prefix.maybe >> operator.maybe >> (phrase | term | shortcode)).as(:clause) }
- rule(:query) { (clause >> space.maybe).repeat.as(:query) }
- root(:query)
- end
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