111 lines
2.3 KiB
Python
111 lines
2.3 KiB
Python
#! /usr/bin/python
|
|
# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
|
|
# For use with Topaz Scripts Version 1.8
|
|
|
|
from __future__ import with_statement
|
|
import csv
|
|
import sys
|
|
import os
|
|
import getopt
|
|
from struct import pack
|
|
from struct import unpack
|
|
|
|
#
|
|
# Get a 7 bit encoded number from string
|
|
#
|
|
|
|
def readEncodedNumber(file):
|
|
flag = False
|
|
c = file.read(1)
|
|
if (len(c) == 0):
|
|
return None
|
|
data = ord(c)
|
|
|
|
if data == 0xFF:
|
|
flag = True
|
|
c = file.read(1)
|
|
if (len(c) == 0):
|
|
return None
|
|
data = ord(c)
|
|
|
|
if data >= 0x80:
|
|
datax = (data & 0x7F)
|
|
while data >= 0x80 :
|
|
c = file.read(1)
|
|
if (len(c) == 0):
|
|
return None
|
|
data = ord(c)
|
|
datax = (datax <<7) + (data & 0x7F)
|
|
data = datax
|
|
|
|
if flag:
|
|
data = -data
|
|
return data
|
|
|
|
#
|
|
# Encode a number in 7 bit format
|
|
#
|
|
|
|
def encodeNumber(number):
|
|
result = ""
|
|
negative = False
|
|
flag = 0
|
|
|
|
if number < 0 :
|
|
number = -number + 1
|
|
negative = True
|
|
|
|
while True:
|
|
byte = number & 0x7F
|
|
number = number >> 7
|
|
byte += flag
|
|
result += chr(byte)
|
|
flag = 0x80
|
|
if number == 0 : break
|
|
|
|
if negative:
|
|
result += chr(0xFF)
|
|
|
|
return result[::-1]
|
|
|
|
#
|
|
# Get a length prefixed string from the file
|
|
#
|
|
def lengthPrefixString(data):
|
|
return encodeNumber(len(data))+data
|
|
|
|
def readString(file):
|
|
stringLength = readEncodedNumber(file)
|
|
if (stringLength == None):
|
|
return None
|
|
sv = file.read(stringLength)
|
|
if (len(sv) != stringLength):
|
|
return ""
|
|
return unpack(str(stringLength)+"s",sv)[0]
|
|
|
|
|
|
|
|
def getMetaArray(metaFile):
|
|
# parse the meta file into a Python dictionary (associative array)
|
|
result = {}
|
|
fo = file(metaFile,'rb')
|
|
size = readEncodedNumber(fo)
|
|
for i in xrange(size):
|
|
temp = readString(fo)
|
|
result[temp] = readString(fo)
|
|
fo.close()
|
|
return result
|
|
|
|
|
|
|
|
def getMetaData(metaFile):
|
|
# parse the meta file
|
|
result = ''
|
|
fo = file(metaFile,'rb')
|
|
size = readEncodedNumber(fo)
|
|
for i in xrange(size):
|
|
result += readString(fo) + '|'
|
|
result += readString(fo) + '\n'
|
|
fo.close()
|
|
return result
|