#!/usr/bin/python

# .-------------------------------------[ icedragon@quickfox.org ]--. #
# | getblock.py | DragonSpeak Block Retriever (c) 2006 by IceDragon | #
# |-----------------------------------------------------------------| #
# | This small script is particularly useful with decoded DSB files | #
# | and can display a DS block from within a file beginning at a    | #
# | specific line. The line numbers are given in 6/7 instructions   | #
# | in game.                                                        | #
# `-----------------------------------------------------------------' #

###--# Imports #--###
from sys import argv


###--# Setting Commandline Arguments #--###
if len(argv) < 3:
    print 'Syntax: %s <file> <block>' % argv[0]
    raise SystemExit

filename = argv[1]
block    = int( argv[2] )


###--# Parsing the DS file #--###
print '[+] Opening %s...' % filename
fd = open( filename, 'r' )

print '[+] Looking for block %d...' % block

line        = 0
block_print = False

while True:
    buffer = fd.readline()
    
    if buffer == '':
	print '[!] Reached end of file!'
	break
    else:
	buffer = buffer.rstrip()
	if buffer == '':
	    continue

    line += 1
    
    if line >= block:
	if block_print == False:
	    block_print = True
	else:
	    if buffer[:3] == '(0:':
		print '[+] End of block - aborting'
		break

    if block_print:
	print '    >', buffer

fd.close()

###--# END OF FILE #--###