def save(self, writer=None):
if writer is None:
writer = BinaryIO()
start = writer.tell()
writer.write(self.magic)
sizeofs = writer.tell()
writer.writeUInt32(0)
writer.writeUInt16(self.num)
writer.writeUInt16(0)
for entry in self.entries:
writer.writeUInt32(entry.start)
writer.writeUInt32(entry.stop)
size = writer.tell() - start
with writer.seek(sizeofs):
writer.writeUInt32(size)
return writer
def save(self, writer=None):
if writer is None:
writer = BinaryIO()
start = writer.tell()
writer.write(self.magic)
writer.writeUInt16(self.endian)
writer.writeUInt16(self.version)
sizeofs = writer.tell()
writer.writeUInt32(0)
headersizeofs = writer.tell()
writer.writeUInt16(0)
writer.writeUInt16(self.numblocks)
size = writer.tell() - start
with writer.seek(headersizeofs):
writer.writeUInt16(size)
writer.writeUInt32(writer.tell() + 4 - start) # block[0] ofs
writer = self.tex.save(writer)
size = writer.tell() - start
with writer.seek(sizeofs):
writer.writeUInt32(size)
return writer
def save(self, writer=None):
writer = BinaryIO() # FIXME
blocks = {}
num = 0
for name in self.files:
match = re.match(
'^(?P<block>[0-9]+c?)_'
'(?P<idx>[0-9]{1,5})'
'(?P<flags>[A-O]*c)?'
'(?:\\[(?P<key>[0-9A-F]{1,4})\\])?$', name)
if not match:
raise ValueError(
'{0} is not a valid identifier+options'.format(name))
block_name = match.group('block')
if block_name not in blocks:
blocks[block_name] = {}
idx = int(match.group('idx'))
num = max(idx, num)
flags = match.group('flags')
try:
key = int(match.group('key'), 16)
except:
key = 0
blocks[block_name][idx] = (flags, key, self.files[name])
if self.version in game.GEN_IV:
if set(blocks.keys()) | {'0c', '0'} != {'0c', '0'}:
raise ValueError('Gen IV cannot have any blocks other than'
' 0 (and 0c). Got: {0}'.format(blocks.keys()))
blocks.pop('0c', None) # TODO: handle comment blocks
self.numblocks = 1
else:
self.numblocks = len(blocks)
# base_offset = self.size()
# if self.version > game.GEN_IV:
# base_offset += 4*self.numblocks
# base_offset += TableEntry.instance(self.version).size()*self.numblocks
self.num = num + 1
start = writer.tell()
writer = AtomicStruct.save(self, writer)
text_writer = BinaryIO()
text_offs = writer.tell() + 8 * self.num
prev_text_pos = 0
if self.version in game.GEN_IV:
for i, block_name in enumerate(blocks):
# if self.version > game.GEN_IV:
# text_offs += 4*self.numblocks+text_writer.tell()-prev_text_pos
# prev_text_pos = text_writer.tell()
for j in xrange(self.num):
try:
flags, key, text = blocks[block_name][j]
except KeyError:
flags = key = None
text = ''
string = []
cidx = 0
while cidx < len(text):
char = text[cidx]
cidx += 1
if char == '\\':
char = text[cidx]
cidx += 1
if char == 'x':
# n = int(text[cidx:cidx+2], 16)
n = rtable['\\x' + text[cidx:cidx + 2]]
cidx += 2
elif char == 'n':
n = 0xE000
elif char == 'r':
n = 0x25BC
elif char == 'f':
n = 0x25BD
elif char == 'u':
n = rtable['\\u' + text[cidx:cidx + 4]]
cidx += 4
elif char == '?':
n = int(text[cidx:cidx + 4], 16)
cidx += 4
else:
n = 1
string.append(n)
elif char == '\n':
string.append(0xE000)
elif char == '\r':
string.append(0x25BC)
elif char == '\f':
string.append(0x25BD)
elif char == 'V' and text[cidx:cidx + 3] == 'AR(':
eov = text.find(')', cidx + 3)
if eov == -1:
raise RuntimeError(
'Could not find end of VAR()')
args = []
for arg in text[cidx + 3:eov].split(','):
args.append(int(arg.strip(), 0))
cidx = eov + 1
string.append(0xFFFE)
string.append(args.pop(0))
string.append(len(args))
string.extend(args)
else:
string.append(rtable[char])
if flags and 'c' in flags:
string = compress(string, 15)
string.append(0xFFFF)
size = len(string)
text_writer.writeAlign(4)
state = (((self.seed * 0x2FD) & 0xFFFF) * (j + 1)) & 0xFFFF
key = state | state << 16
writer.writeUInt32(key ^ (text_offs + text_writer.tell()))
writer.writeUInt32(key ^ size)
key = (TEXT_KEY4_INIT * (j + 1)) & 0xFFFF
for char in string:
text_writer.writeUInt16(char ^ key)
key = (key + TEXT_KEY4_STEP) & 0xFFFF
# TODO: comments
writer.write(text_writer.getvalue())
else:
block = Editable()
block.uint32('size')
block.array('entries',
TableEntry(self.version).base_struct,
length=self.num)
block.freeze()
block_offset_pos = writer.tell()
for i in xrange(self.numblocks):
writer.writeUInt32(0)
for i, block_name in enumerate(blocks):
text_writer = BinaryIO()
block.save(text_writer)
for j, entry in enumerate(block.entries):
entry.offset = text_writer.tell()
try:
flags, key, text = blocks[block_name][j]
except KeyError:
flags = key = None
text = ''
string = []
cidx = 0
while cidx < len(text):
char = text[cidx]
cidx += 1
if char == '\\':
char = text[cidx]
cidx += 1
if char == 'x':
n = int(text[cidx:cidx + 2], 16)
cidx += 2
elif char == 'u' or char == '?':
n = int(text[cidx:cidx + 4], 16)
cidx += 4
elif char == 'n':
n = 0xFFFE
elif char == 'r':
string.append(0xF000)
string.append(0xBE01)
string.append(0)
continue
elif char == 'f':
string.append(0xF000)
string.append(0xBE00)
string.append(0)
continue
else:
n = 1
string.append(n)
elif char == '\n':
string.append(0xFFFE)
elif char == '\r':
string.append(0xF000)
string.append(0xBE01)
string.append(0)
elif char == '\f':
string.append(0xF000)
string.append(0xBE00)
string.append(0)
elif char == 'V' and text[cidx:cidx + 3] == 'AR(':
eov = text.find(')', cidx + 3)
if eov == -1:
raise RuntimeError(
'Could not find end of VAR()')
args = []
for arg in text[cidx + 3:eov].split(','):
args.append(int(arg.strip(), 0))
cidx = eov + 1
string.append(0xF000)
string.append(args.pop(0))
string.append(len(args))
string.extend(args)
else:
string.append(ord(char))
flag = 0
if flags:
for shift in range(16):
if chr(65 + shift) in flags:
flag |= 1 << shift
if 'c' in flags:
string = compress(string, 16)
if not key:
key = 0
string.append(0xFFFF)
encchars = []
while string:
char = string.pop() ^ key
key = ((key >> 3) | (key << 13)) & 0xFFFF
encchars.insert(0, char)
entry.charcount = len(encchars)
entry.flags = flag
for char in encchars:
text_writer.writeUInt16(char)
text_writer.writeAlign(4)
block.size = text_writer.tell()
with text_writer.seek(0):
block.save(text_writer)
block_offset = writer.tell() - start
with writer.seek(block_offset_pos + 4 * i):
writer.writeUInt32(block_offset)
writer.write(text_writer.getvalue())
self.filesize = writer.tell() - start
with writer.seek(start):
AtomicStruct.save(self, writer)
return writer
