1 files changed, 0 insertions, 149 deletions
diff --git a/ruby_2_2/ext/psych/lib/psych/scalar_scanner.rb b/ruby_2_2/ext/psych/lib/psych/scalar_scanner.rb
deleted file mode 100644
index 93007902a7..0000000000
--- a/ruby_2_2/ext/psych/lib/psych/scalar_scanner.rb
+++ /dev/null
@@ -1,149 +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)?))?$/
-
-    # Taken from http://yaml.org/type/float.html
-    FLOAT = /^(?:[-+]?([0-9][0-9_,]*)?\.[0-9]*([eE][-+][0-9]+)?(?# base 10)
-              |[-+]?[0-9][0-9_,]*(:[0-5]?[0-9])+\.[0-9_]*(?# base 60)
-              |[-+]?\.(inf|Inf|INF)(?# infinity)
-              |\.(nan|NaN|NAN)(?# not a number))$/x
-
-    # Taken from http://yaml.org/type/int.html
-    INTEGER = /^(?:[-+]?0b[0-1_]+          (?# base 2)
-                  |[-+]?0[0-7_]+           (?# base 8)
-                  |[-+]?(?:0|[1-9][0-9_]*) (?# base 10)
-                  |[-+]?0x[0-9a-fA-F_]+    (?# base 16))$/x
-
-    attr_reader :class_loader
-
-    # Create a new scanner
-    def initialize class_loader
-      @string_cache = {}
-      @symbol_cache = {}
-      @class_loader = class_loader
-    end
-
-    # Tokenize +string+ returning the Ruby object
-    def tokenize string
-      return nil if string.empty?
-      return string if @string_cache.key?(string)
-      return @symbol_cache[string] if @symbol_cache.key?(string)
-
-      case string
-      # Check for a String type, being careful not to get caught by hash keys, hex values, and
-      # special floats (e.g., -.inf).
-      when /^[^\d\.:-]?[A-Za-z_\s!@#\$%\^&\*\(\)\{\}\<\>\|\/\\~;=]+/, /\n/
-        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)$/i
-          false
-        else
-          @string_cache[string] = true
-          string
-        end
-      when TIME
-        begin
-          parse_time string
-        rescue ArgumentError
-          string
-        end
-      when /^\d{4}-(?:1[012]|0\d|\d)-(?:[12]\d|3[01]|0\d|\d)$/
-        require 'date'
-        begin
-          class_loader.date.strptime(string, '%Y-%m-%d')
-        rescue ArgumentError
-          string
-        end
-      when /^\.inf$/i
-        Float::INFINITY
-      when /^-\.inf$/i
-        -Float::INFINITY
-      when /^\.nan$/i
-        Float::NAN
-      when /^:./
-        if string =~ /^:(["'])(.*)\1/
-          @symbol_cache[string] = class_loader.symbolize($2.sub(/^:/, ''))
-        else
-          @symbol_cache[string] = class_loader.symbolize(string.sub(/^:/, ''))
-        end
-      when /^[-+]?[0-9][0-9_]*(:[0-5]?[0-9])+$/
-        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_]*$/
-        i = 0
-        string.split(':').each_with_index do |n,e|
-          i += (n.to_f * 60 ** (e - 2).abs)
-        end
-        i
-      when FLOAT
-        if string =~ /\A[-+]?\.\Z/
-          @string_cache[string] = true
-          string
-        else
-          Float(string.gsub(/[,_]|\.$/, ''))
-        end
-      else
-        int = parse_int string.gsub(/[,_]/, '')
-        return int if int
-
-        @string_cache[string] = true
-        string
-      end
-    end
-
-    ###
-    # Parse and return an int from +string+
-    def parse_int string
-      return unless INTEGER === string
-      Integer(string)
-    end
-
-    ###
-    # Parse and return a Time from +string+
-    def parse_time string
-      klass = class_loader.load 'Time'
-
-      date, time = *(string.split(/[ tT]/, 2))
-      (yy, m, dd) = date.match(/^(-?\d{4})-(\d{1,2})-(\d{1,2})/).captures.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("0.#{md[2]}") : 0) * 1000000
-
-      time = klass.utc(yy, m, dd, hh, mm, ss, us)
-
-      return time if 'Z' == md[3]
-      return klass.at(time.to_i, us) unless md[3]
-
-      tz = md[3].match(/^([+\-]?\d{1,2})\:?(\d{1,2})?$/)[1..-1].compact.map { |digit| Integer(digit, 10) }
-      offset = tz.first * 3600
-
-      if offset < 0
-        offset -= ((tz[1] || 0) * 60)
-      else
-        offset += ((tz[1] || 0) * 60)
-      end
-
-      klass.at((time - offset).to_i, us)
-    end
-  end
-end