Just in time processing on a character stream: Difference between revisions

=={{header|Python}}==

{{trans|D}}

<lang python>import sys

class UserInput:

def __init__(self,chunk):

self.formFeed = int(chunk[0])

self.lineFeed = int(chunk[1])

self.tab = int(chunk[2])

self.space = int(chunk[3])

def __str__(self):

return "(ff=%d; lf=%d; tb=%d; sp%d)" % (self.formFeed,self.lineFeed,self.tab,self.space)

def chunks(l,n):

for i in xrange(0, len(l), n):

yield l[i:i+n]

def getUserInput():

h = "0 18 0 0 0 68 0 1 0 100 0 32 0 114 0 45 0 38 0 26 0 16 0 21 0 17 0 59 0 11 "\

"0 29 0 102 0 0 0 10 0 50 0 39 0 42 0 33 0 50 0 46 0 54 0 76 0 47 0 84 2 28"

ha = h.split()

return [UserInput(chunk) for chunk in chunks(ha, 4)]

def decode(filename,uiList):

f = open(filename, "r")

text = f.read()

def decode2(ui):

f = 0

l = 0

t = 0

s = 0

for c in text:

if f == ui.formFeed and l == ui.lineFeed and t == ui.tab and s == ui.space:

if c == '!':

return False

sys.stdout.write(c)

return True

if c == '\u000c':

f=f+1

l=0

t=0

s=0

elif c == '\n':

l=l+1

t=0

s=0

elif c == '\t':

t=t+1

s=0

else:

s=s+1

return False

for ui in uiList:

if not decode2(ui):

break

print

##### Main #####

uiList = getUserInput()

decode("theRaven.txt", uiList)</lang>

{{out}}

<pre>Silence-Dogood.</pre>