Sha256: 4fc7e729c812e77d74321d0817ed7b93de1ba0f0f6224433b36ecfa39373fca7
Contents?: true
Size: 879 Bytes
Versions: 9
Compression:
Stored size: 879 Bytes
Contents
# encoding: utf-8
module Dusen
class Syntax
def initialize
@scopers = {}
end
def learn_field(field, &scoper)
field = field.to_s
@scopers[field] = scoper
end
def learn_unknown_field(&unknown_scoper)
@unknown_scoper = unknown_scoper
end
def search(root_scope, query)
scope = root_scope
query = parse(query) if query.is_a?(String)
query = query.condensed
query.each do |token|
scoper = @scopers[token.field] || unknown_scoper
scope = scoper.call(scope, token.value)
end
scope
end
def fields
@scopers
end
def parse(query)
Parser.parse(query)
end
private
DEFAULT_UNKNOWN_SCOPER = lambda do |scope, *args|
scope.where('1=2')
end
def unknown_scoper
@unknown_scoper || DEFAULT_UNKNOWN_SCOPER
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems