1 files changed, 0 insertions, 90 deletions
diff --git a/lib/psych/scalar_scanner.rb b/lib/psych/scalar_scanner.rb
deleted file mode 100644
index bee88de419..0000000000
--- a/lib/psych/scalar_scanner.rb
+++ /dev/null
@@ -1,90 +0,0 @@
-require 'strscan'
-
-module Psych
-  ###
-  # Scan scalars for built in types
-  class ScalarScanner
-    # Taken from http://yaml.org/type/timestamp.html
-    TIME = /^\d{4}-\d{1,2}-\d{1,2}([Tt]|\s+)\d{1,2}:\d\d:\d\d(\.\d*)?(\s*Z|[-+]\d{1,2}(:\d\d)?)?/
-
-    # Create a new scanner
-    def initialize
-      @string_cache = {}
-    end
-
-    # Tokenize +string+ returning the ruby object
-    def tokenize string
-      return nil if string.empty?
-      return string if @string_cache.key?(string)
-
-      case string
-      when /^[A-Za-z~]/
-        if string.length > 5
-          @string_cache[string] = true
-          return string
-        end
-
-        case string
-        when /^[^ytonf~]/i
-          @string_cache[string] = true
-          string
-        when '~', /^null$/i
-          nil
-        when /^(yes|true|on)$/i
-          true
-        when /^(no|false|off)$/i
-          false
-        else
-          @string_cache[string] = true
-          string
-        end
-      when TIME
-        date, time = *(string.split(/[ tT]/, 2))
-        (yy, m, dd) = date.split('-').map { |x| x.to_i }
-        md = time.match(/(\d+:\d+:\d+)(\.\d*)?\s*(Z|[-+]\d+(:\d\d)?)?/)
-
-        (hh, mm, ss) = md[1].split(':').map { |x| x.to_i }
-        us = (md[2] ? Rational(md[2].sub(/^\./, '0.')) : 0) * 1000000
-
-        time = Time.utc(yy, m, dd, hh, mm, ss, us)
-
-        return time if 'Z' == md[3]
-
-        tz = md[3] ? Integer(md[3].split(':').first.sub(/([-+])0/, '\1')) : 0
-        Time.at((time - (tz * 3600)).to_i, us)
-      when /^\d{4}-\d{1,2}-\d{1,2}$/
-        require 'date'
-        Date.strptime(string, '%Y-%m-%d')
-      when /^\.inf$/i
-        1 / 0.0
-      when /^-\.inf$/i
-        -1 / 0.0
-      when /^\.nan$/i
-        0.0 / 0.0
-      when /^:./
-        if string =~ /^:(["'])(.*)\1/
-          $2.sub(/^:/, '').to_sym
-        else
-          string.sub(/^:/, '').to_sym
-        end
-      when /^[-+]?[1-9][0-9_]*(:[0-5]?[0-9])+$/
-        i = 0
-        string.split(':').each_with_index do |n,e|
-          i += (n.to_i * 60 ** (e - 2).abs)
-        end
-        i
-      when /^[-+]?[0-9][0-9_]*(:[0-5]?[0-9])+\.[0-9_]*$/
-        i = 0
-        string.split(':').each_with_index do |n,e|
-          i += (n.to_f * 60 ** (e - 2).abs)
-        end
-        i
-      else
-        return Integer(string.gsub(/[,_]/, '')) rescue ArgumentError
-        return Float(string.gsub(/[,_]/, '')) rescue ArgumentError
-        @string_cache[string] = true
-        string
-      end
-    end
-  end
-end