class Minidusen::Parser
Constants
- FIELD_QUERY
- TEXT_QUERY
Public Class Methods
parse(object)
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# File lib/minidusen/parser.rb, line 11 def parse(object) case object when Query object when String parse_string(object) when Array parse_array(object) else raise CannotParse, "Cannot parse #{object.inspect}" end end
Private Class Methods
extract_field_query_tokens(query_string, query)
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# File lib/minidusen/parser.rb, line 52 def extract_field_query_tokens(query_string, query) while query_string.sub!(FIELD_QUERY, '') field = $2 value = "#{$4}#{$6}" exclude = "#{$1}" == "-" options = { :field => field, :value => value, :exclude => exclude } query << Token.new(options) end end
extract_text_query_tokens(query_string, query)
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# File lib/minidusen/parser.rb, line 43 def extract_text_query_tokens(query_string, query) while query_string.sub!(TEXT_QUERY, '') value = "#{$2}#{$4}" exclude = "#{$1}#{$3}" == "-" options = { :field => 'text', :value => value, :exclude => exclude } query << Token.new(options) end end
parse_array(array)
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# File lib/minidusen/parser.rb, line 35 def parse_array(array) tokens = array.map { |string| string.is_a?(String) or raise CannotParse, "Cannot parse an array of #{string.class}" Token.new(:field => 'text', :value => string) } Query.new(tokens) end
parse_string(string)
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# File lib/minidusen/parser.rb, line 26 def parse_string(string) string = string.dup # we are going to delete substrings in-place string = string.encode('UTF-8', invalid: :replace, undef: :replace, replace: '') query = Query.new extract_field_query_tokens(string, query) extract_text_query_tokens(string, query) query end