hooke/liboutlet.py

   1 '''
   2 Basic outlet object
   3
   4 Copyright (C) 2008 Alberto Gomez-Casado (University of Twente).
   5
   6 This program is released under the GNU General Public License version 2.
   7 '''
   8
   9 import re
  10
  11
  12 class Outlet(object):
  13
  14     def __init__(self):
  15         self.buffer=[]
  16         #relations is still unused
  17         self.relations=[]
  18
  19     def push(self, args):
  20         #queue new entry
  21         self.buffer.append(args)
  22
  23     def pop(self):
  24         #delete last entry
  25         return self.buffer.pop();
  26
  27     def printbuf(self):
  28         j=1;
  29         for i in self.buffer:
  30             print j, i
  31             j=j+1
  32
  33     def delete(self, number):
  34         #delete entry matching given index
  35         if len(self.buffer)>int(number)-1 and int(number)>0:
  36             self.buffer.pop(int(number)-1)
  37
  38     def empty(self):
  39         self.buffer=[]
  40
  41     def read_last(self):
  42         return self.buffer[len(self.buffer)-1]
  43
  44     def read_first(self):
  45         return self.buffer[0]
  46
  47     def read_type(self,dtype):
  48         #returns entries matching a given type (force, distance, point...)
  49         aux=[]
  50         index=0
  51         if dtype=='all':
  52                 return self.buffer
  53         for i in self.buffer:
  54                 if re.match(dtype+'*',i):
  55                         aux.append(i)
  56         return aux