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from common import *
class U8(WiiArchive):
class U8Header(Struct):
__endian__ = Struct.BE
def __format__(self):
self.tag = Struct.string(4)
self.rootnode_offset = Struct.uint32
self.header_size = Struct.uint32
self.data_offset = Struct.uint32
self.zeroes = Struct.string(16)
class U8Node(Struct):
__endian__ = Struct.BE
def __format__(self):
self.type = Struct.uint16
self.name_offset = Struct.uint16
self.data_offset = Struct.uint32
self.size = Struct.uint32
def __init__(self):
self.files = []
def _dump(self):
header = self.U8Header()
rootnode = self.U8Node()
# constants
header.tag = "U\xAA8-"
header.rootnode_offset = 0x20
header.zeroes = "\x00" * 16
rootnode.type = 0x0100
nodes = []
strings = '\x00'
data = ''
for item, value in self.files:
node = self.U8Node()
recursion = item.count('/')
if(recursion < 0):
recursion = 0
name = item[item.rfind('/') + 1:]
node.name_offset = len(strings)
strings += name + '\x00'
if(value == None): # directory
node.type = 0x0100
node.data_offset = recursion
node.size = len(nodes) + 1
for one, two in self.files:
if(one[:len(item)] == item): # find nodes in the folder
node.size += 1
else: # file
node.type = 0x0000
node.data_offset = len(data)
#print "before: " + str(len(data))
data += value + ('\x00' * (align(len(value), 32) - len(value))) # 32 seems to work best for fuzzyness? I'm still really not sure
#print "after: " + str(len(data))
node.size = len(value)
#print "sz: " + str(len(value))
nodes.append(node)
header.header_size = ((len(nodes) + 1) * len(rootnode)) + len(strings)
header.data_offset = align(header.header_size + header.rootnode_offset, 64)
rootnode.size = len(nodes) + 1
for i in range(len(nodes)):
if(nodes[i].type == 0x0000):
nodes[i].data_offset += header.data_offset
fd = ''
fd += header.pack()
fd += rootnode.pack()
for node in nodes:
fd += node.pack()
fd += strings
fd += "\x00" * (header.data_offset - header.rootnode_offset - header.header_size)
fd += data
return fd
def _dumpDir(self, dir):
if(not os.path.isdir(dir)):
os.mkdir(dir)
old = os.getcwd()
os.chdir(dir)
for item, data in self.files:
if(data == None):
if(not os.path.isdir(item)):
os.mkdir(item)
else:
open(item, "wb").write(data)
os.chdir(old)
def _loadDir(self, dir):
try:
self._tmpPath += ''
except:
self._tmpPath = ''
old = os.getcwd()
os.chdir(dir)
entries = os.listdir(".")
for entry in entries:
if(os.path.isdir(entry)):
self.files.append((self._tmpPath + entry, None))
self._tmpPath += entry + '/'
self._loadDir(entry)
elif(os.path.isfile(entry)):
data = open(entry, "rb").read()
self.files.append((self._tmpPath + entry, data))
os.chdir(old)
self._tmpPath = self._tmpPath[:self._tmpPath.find('/') + 1]
def _load(self, data):
offset = 0
for i in range(len(data)):
header = self.U8Header()
header.unpack(data[offset:offset + len(header)])
if(header.tag == "U\xAA8-"):
break
data = data[1:]
offset += len(header)
offset = header.rootnode_offset
#print header.rootnode_offset
#print header.header_size
#print header.data_offset
rootnode = self.U8Node()
rootnode.unpack(data[offset:offset + len(rootnode)])
offset += len(rootnode)
nodes = []
for i in range(rootnode.size - 1):
node = self.U8Node()
node.unpack(data[offset:offset + len(node)])
offset += len(node)
nodes.append(node)
strings = data[offset:offset + header.data_offset - len(header) - (len(rootnode) * rootnode.size)]
offset += len(strings)
recursion = [rootnode.size]
recursiondir = []
counter = 0
for node in nodes:
counter += 1
name = strings[node.name_offset:].split('\0', 1)[0]
if(node.type == 0x0100): # folder
recursion.append(node.size)
recursiondir.append(name)
#assert len(recursion) == node.data_offset + 2 # haxx
self.files.append(('/'.join(recursiondir), None))
#print "Dir: " + name
elif(node.type == 0): # file
self.files.append(('/'.join(recursiondir) + '/' + name, data[node.data_offset:node.data_offset + node.size]))
offset += node.size
#print "File: " + name
else: # unknown type -- wtf?
pass
#print "Data Offset: " + str(node.data_offset)
#print "Size: " + str(node.size)
#print "Name Offset: " + str(node.name_offset)
#print ""
sz = recursion.pop()
if(sz != counter + 1):
recursion.append(sz)
else:
recursiondir.pop()
def __str__(self):
ret = ''
for key, value in self.files:
name = key[key.rfind('/') + 1:]
recursion = key.count('/')
ret += ' ' * recursion
if(value == None):
ret += '[' + name + ']'
else:
ret += name
ret += '\n'
return ret
def __getitem__(self, key):
for item, val in self.files:
if(item == key):
if(val != None):
return val
else:
ret = []
for item2, val2 in self.files:
if(item2.find(item) == 0):
ret.append(item2[len(item) + 1:])
return ret[1:]
raise KeyError
def __setitem__(self, key, val):
for i in range(len(self.files)):
if(self.files[i][0] == key):
self.files[i] = (self.files[i][0], val)
return
self.files.append((key, val))
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