class Parse(object):
def __init__(self):
self._pen_style_list = ['b-', 'r-o', 'g-*']
self._draw = Drawing()
pass
def get_cur_x(self):
return self._draw.get_cur_x()
def get_cur_y(self):
return self._draw.get_cur_y()
def get_style(self):
return self._draw.get_stype()
def get_status(self):
return self._draw.get_status()
def show(self):
return self._draw.show()
def parse_one_line(self, line):
line2 = line = line.strip()
if line.find('#') != -1:
line2 = line[0:line.find('#')] # remove comments
words = line2.split()
if len(words) == 0:
return
if words[0] == 'P':
assert(len(words) == 2)
self._draw.set_style(self._pen_style_list[int(words[1])])
elif words[0] == 'D':
assert(len(words) == 1)
self._draw.pen_down()
elif words[0] == 'U':
assert(len(words) == 1)
self._draw.pen_up()
elif words[0] == 'W':
assert(len(words) == 2)
self._draw.line_left(int(words[1]))
elif words[0] == 'N':
assert(len(words) == 2)
self._draw.line_up(int(words[1]))
elif words[0] == 'E':
assert(len(words) == 2)
self._draw.line_right(int(words[1]))
elif words[0] == 'S':
assert(len(words) == 2)
self._draw.line_down(int(words[1]))
else:
print "Error: Un-supported Action!, in line \"" + line + "\""
assert(1)
