6.6 update

Data/Scripts/001_Technical/002_RubyUtilities.rb

@@ -0,0 +1,142 @@
+#===============================================================================
+# class Object
+#===============================================================================
+class Object
+  alias full_inspect inspect unless method_defined?(:full_inspect)
+
+  def inspect
+    return "#<#{self.class}>"
+  end
+end
+
+#===============================================================================
+# class Class
+#===============================================================================
+class Class
+  def to_sym
+    return self.to_s.to_sym
+  end
+end
+
+#===============================================================================
+# class String
+#===============================================================================
+class String
+  def starts_with_vowel?
+    return ['a', 'e', 'i', 'o', 'u'].include?(self[0, 1].downcase)
+  end
+
+  def first(n = 1)
+    return self[0...n]
+  end
+
+  def last(n = 1)
+    return self[-n..-1] || self
+  end
+
+  def blank?
+    blank = true
+    s = self.scan(/./)
+    for l in s
+      blank = false if l != ""
+    end
+    return blank
+  end
+
+  def cut(bitmap, width)
+    string = self
+    width -= bitmap.text_size("...").width
+    string_width = 0
+    text = []
+    for char in string.scan(/./)
+      wdh = bitmap.text_size(char).width
+      next if (wdh + string_width) > width
+      string_width += wdh
+      text.push(char)
+    end
+    text.push("...") if text.length < string.length
+    new_string = ""
+    for char in text
+      new_string += char
+    end
+    return new_string
+  end
+end
+
+#===============================================================================
+# class Numeric
+#===============================================================================
+class Numeric
+  # Turns a number into a string formatted like 12,345,678.
+  def to_s_formatted
+    return self.to_s.reverse.gsub(/(\d{3})(?=\d)/, '\1,').reverse
+  end
+
+  def to_word
+    ret = [_INTL("zero"), _INTL("one"), _INTL("two"), _INTL("three"),
+           _INTL("four"), _INTL("five"), _INTL("six"), _INTL("seven"),
+           _INTL("eight"), _INTL("nine"), _INTL("ten"), _INTL("eleven"),
+           _INTL("twelve"), _INTL("thirteen"), _INTL("fourteen"), _INTL("fifteen"),
+           _INTL("sixteen"), _INTL("seventeen"), _INTL("eighteen"), _INTL("nineteen"),
+           _INTL("twenty")]
+    return ret[self] if self.is_a?(Integer) && self >= 0 && self <= ret.length
+    return self.to_s
+  end
+end
+
+#===============================================================================
+# class Array
+#===============================================================================
+class Array
+  def ^(other)   # xor of two arrays
+    return (self|other) - (self&other)
+  end
+
+  def swap(val1, val2)
+    index1 = self.index(val1)
+    index2 = self.index(val2)
+    self[index1] = val2
+    self[index2] = val1
+  end
+end
+
+#===============================================================================
+# module Enumerable
+#===============================================================================
+module Enumerable
+  def transform
+    ret = []
+    self.each { |item| ret.push(yield(item)) }
+    return ret
+  end
+end
+
+#===============================================================================
+# Kernel methods
+#===============================================================================
+def rand(*args)
+  Kernel.rand(*args)
+end
+
+class << Kernel
+  alias oldRand rand unless method_defined?(:oldRand)
+  def rand(a = nil, b = nil)
+    if a.is_a?(Range)
+      lo = a.min
+      hi = a.max
+      return lo + oldRand(hi - lo + 1)
+    elsif a.is_a?(Numeric)
+      if b.is_a?(Numeric)
+        return a + oldRand(b - a + 1)
+      else
+        return oldRand(a)
+      end
+    elsif a.nil?
+      return (b) ? oldRand(b) : oldRand(2)
+    end
+  end
+end
+
+def nil_or_empty?(string)
+  return string.nil? || !string.is_a?(String) || string.size == 0
+end