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YuruToot/app/lib/search_query_parser.rb
Eugen Rochko 70da6d6630
Fix accounts search by full/partial display name and others (#11580)
- Restrict followers counts to local users to minimize local advantage
- Fix emoji shortcodes causing error in search
- Fix search syntax parse errors not being caught
2019-08-16 13:00:30 +02:00

16 lines
688 B
Ruby

# 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