Experiments/Generator/src/app/Extentions/Extentions.boo

   1 namespace Generator.Extentions
   2
   3 import System.IO
   4 import System.Text.RegularExpressions
   5
   6 # String class extention
   7 def ToCapital(self as string) as string:
   8         return self[:1].ToUpper() + self[1:].ToLower()
   9 def ToTitle(self as string) as string:
  10         return join(word.ToCapital() for word in self.Split(char(' ')))
  11 def ToCamel(self as string) as string:
  12         name = Regex.Replace(self, "(_|\\s)([a-z])", { m as Match | return m.Groups[2].ToString().ToUpper() })
  13         return name[:1].ToUpper() + name[1:]
  14 def ToClassName(self as string) as string:
  15         return self.ToCamel()
  16 def ToVarName(self as string) as string:
  17         name = self.ToCapital()
  18         return name[:1].ToLower() + name[1:]
  19 def ToHumanName(self as string) as string:
  20         return /[A-Z]/.Replace(self, ' $0').Trim().ToCapital()
  21 def ToPlural(self as string) as string:
  22         return Inflector.Instance.ToPlural(self)
  23 def ToSingular(self as string) as string:
  24         return Inflector.Instance.ToSingular(self)
  25 def ToFileName(self as string) as string:
  26         # All lower case for compatibility
  27         return /_/.Replace(self, '').Trim().ToLower()
  28 def ToPath(self as string) as string:
  29         sep = Path.DirectorySeparatorChar.ToString()
  30         return self.Replace("/", sep).Replace("\\", sep)
  31
  32 # Integer class extention
  33 def Times(self as int, c as callable(int)):
  34         for i in range(self):
  35                 c(i+1)
  36 def ToOrdinal(self as int):
  37         # Adapted from http://api.rubyonrails.com/classes/Inflector.html#M000814
  38         if self % 100 in range(11, 14):
  39                 return "${self}th"
  40         else:
  41                 if self % 10 == 1:
  42                         return "${self}st"
  43                 if self % 10 == 2:
  44                         return "${self}nd"
  45                 if self % 10 == 3:
  46                         return "${self}rd"
  47                 else:
  48                         return "${self}th"
  49
  50 # Lists extentions
  51 def Each(self as System.Collections.IEnumerable, action as callable(object)):
  52         for item in self:
  53                 action(item)
  54
  55 # Date and time extentions
  56 def Ago(self as System.TimeSpan) as System.DateTime:
  57         return System.DateTime.Now.Subtract(self)
  58
  59 def FromNow(self as System.TimeSpan) as System.DateTime:
  60         return System.DateTime.Now.Add(self)
  61