def createFields(self):
yield UInt8(self, "version")
yield NullBits(self, "flags", 24)
yield UInt32(self, "count")
for i in xrange(self['count'].value):
yield Atom(self, "key[]")
def createFields(self):
yield UInt8(self, "version")
yield NullBits(self, "flags", 24)
yield UInt32(self, "count", description="Number of sync samples")
for i in xrange(self['count'].value):
yield UInt32(self, "sample_number[]")
def createFields(self):
yield String(self, "brand", 4, "Major brand")
yield UInt32(self, "version", "Version")
while not self.eof:
yield String(self, "compat_brand[]", 4, "Compatible brand")
def createFields(self):
yield UInt8(self, "version", "Version")
yield NullBits(self, "flags", 24)
yield UInt32(self, "size")
def parseGDIComment(parser):
yield UInt32(parser, "data_size")
size = parser["data_size"].value
if size:
yield RawBytes(parser, "data", size)
def parseExtCreatePen(parser):
yield UInt32(parser, "ihPen")
yield UInt32(parser, "offBmi")
yield UInt32(parser, "cbBmi")
yield UInt32(parser, "offBits")
yield UInt32(parser, "cbBits")
yield UInt32(parser, "pen_style")
yield UInt32(parser, "width")
yield UInt32(parser, "brush_style")
yield RGBA(parser, "color")
yield UInt32(parser, "hatch")
yield UInt32(parser, "nb_style")
for index in xrange(parser["nb_style"].value):
yield UInt32(parser, "style")
def createFields(self):
yield UInt32(self, "size")
self._size = (self['size'].value + 4) * 8
yield RawBytes(self, "raw[]", self['size'].value)
def parseBrushIndirect(parser):
yield UInt32(parser, "ihBrush")
yield UInt32(parser, "style")
yield RGBA(parser, "color")
yield Int32(parser, "hatch")
def createFields(self):
yield UInt32(self, "size")
self._size = (self['size'].value + 4) * 8
yield UInt16(self, "count")
for i in xrange(self['count'].value):
yield AVCHDMPLS_PlayItemMark(self, "chunk[]")
def createFields(self):
yield UInt32(self, "size")
self._size = (self['size'].value + 4) * 8
yield UInt16(self, "count")
for i in xrange(self['count'].value):
yield AVCHDPLEX_1_Chunk(self, "chunk[]")
def createFields(self):
yield UInt16(self, "unknown[]")
yield UInt16(self, "playitem_idx", "Index of the associated PlayItem")
yield UInt32(self, "mark_time", "Marker time in clip (units unknown)")
yield RawBytes(self, "unknown", 6)
def createFields(self):
yield Bits(self, "block_type", 3)
yield Bits(self, "block_size", 24)
self.uncompressed_size = self["block_size"].value
self.compression_level = self.root.compr_level
self.window_size = self.WINDOW_SIZE[self.compression_level]
self.block_type = self["block_type"].value
curlen = len(self.parent.uncompressed_data)
if self.block_type in (1, 2): # Verbatim or aligned offset block
if self.block_type == 2:
for i in xrange(8):
yield Bits(self, "aligned_len[]", 3)
aligned_tree = build_tree(
[self['aligned_len[%d]' % i].value for i in xrange(8)])
yield LZXPreTreeEncodedTree(self, "main_tree_start", 256)
yield LZXPreTreeEncodedTree(self, "main_tree_rest",
self.window_size * 8)
main_tree = build_tree(self["main_tree_start"].lengths +
self["main_tree_rest"].lengths)
yield LZXPreTreeEncodedTree(self, "length_tree", 249)
length_tree = build_tree(self["length_tree"].lengths)
current_decoded_size = 0
while current_decoded_size < self.uncompressed_size:
if (curlen + current_decoded_size) % 32768 == 0 and (
curlen + current_decoded_size) != 0:
padding = paddingSize(self.address + self.current_size, 16)
if padding:
yield PaddingBits(self, "padding[]", padding)
field = HuffmanCode(self, "main_code[]", main_tree)
if field.realvalue < 256:
field._description = "Literal value %r" % chr(
field.realvalue)
current_decoded_size += 1
self.parent.uncompressed_data += chr(field.realvalue)
yield field
continue
position_header, length_header = divmod(
field.realvalue - 256, 8)
info = self.POSITION_SLOTS[position_header]
if info[2] == 0:
if info[0] == 0:
position = self.parent.r0
field._description = "Position Slot %i, Position [R0] (%i)" % (
position_header, position)
elif info[0] == 1:
position = self.parent.r1
self.parent.r1 = self.parent.r0
self.parent.r0 = position
field._description = "Position Slot %i, Position [R1] (%i)" % (
position_header, position)
elif info[0] == 2:
position = self.parent.r2
self.parent.r2 = self.parent.r0
self.parent.r0 = position
field._description = "Position Slot %i, Position [R2] (%i)" % (
position_header, position)
else:
position = info[0] - 2
self.parent.r2 = self.parent.r1
self.parent.r1 = self.parent.r0
self.parent.r0 = position
field._description = "Position Slot %i, Position %i" % (
position_header, position)
else:
field._description = "Position Slot %i, Positions %i to %i" % (
position_header, info[0] - 2, info[1] - 2)
if length_header == 7:
field._description += ", Length Values 9 and up"
yield field
length_field = HuffmanCode(self, "length_code[]",
length_tree)
length = length_field.realvalue + 9
length_field._description = "Length Code %i, total length %i" % (
length_field.realvalue, length)
yield length_field
else:
field._description += ", Length Value %i (Huffman Code %i)" % (
length_header + 2, field.value)
yield field
length = length_header + 2
if info[2]:
if self.block_type == 1 or info[2] < 3: # verbatim
extrafield = Bits(
self,
"position_extra[%s" % field.name.split('[')[1],
info[2])
position = extrafield.value + info[0] - 2
extrafield._description = "Position Extra Bits (%i), total position %i" % (
extrafield.value, position)
yield extrafield
else: # aligned offset
position = info[0] - 2
if info[2] > 3:
extrafield = Bits(
self, "position_verbatim[%s" %
field.name.split('[')[1], info[2] - 3)
position += extrafield.value * 8
extrafield._description = "Position Verbatim Bits (%i), added position %i" % (
extrafield.value, extrafield.value * 8)
yield extrafield
if info[2] >= 3:
extrafield = HuffmanCode(
self, "position_aligned[%s" %
field.name.split('[')[1], aligned_tree)
position += extrafield.realvalue
extrafield._description = "Position Aligned Bits (%i), total position %i" % (
extrafield.realvalue, position)
yield extrafield
self.parent.r2 = self.parent.r1
self.parent.r1 = self.parent.r0
self.parent.r0 = position
self.parent.uncompressed_data = extend_data(
self.parent.uncompressed_data, length, position)
current_decoded_size += length
elif self.block_type == 3: # Uncompressed block
padding = paddingSize(self.address + self.current_size, 16)
if padding:
yield PaddingBits(self, "padding[]", padding)
else:
yield PaddingBits(self, "padding[]", 16)
self.endian = LITTLE_ENDIAN
yield UInt32(self, "r[]", "New value of R0")
yield UInt32(self, "r[]", "New value of R1")
yield UInt32(self, "r[]", "New value of R2")
self.parent.r0 = self["r[0]"].value
self.parent.r1 = self["r[1]"].value
self.parent.r2 = self["r[2]"].value
yield RawBytes(self, "data", self.uncompressed_size)
self.parent.uncompressed_data += self["data"].value
if self["block_size"].value % 2:
yield PaddingBits(self, "padding", 8)
else:
raise ParserError("Unknown block type %d!" % self.block_type)
def createFields(self):
yield CPIndex(self,
"attribute_name_index",
"Attribute name",
target_types="Utf8")
yield UInt32(self, "attribute_length", "Length of the attribute")
attr_name = str(self["attribute_name_index"].get_cp_entry())
# ConstantValue_attribute {
# u2 attribute_name_index;
# u4 attribute_length;
# u2 constantvalue_index;
# }
if attr_name == "ConstantValue":
if self["attribute_length"].value != 2:
raise ParserError("Java: Invalid attribute %s length (%s)" \
% (self.path, self["attribute_length"].value))
yield CPIndex(self,
"constantvalue_index",
target_types=("Long", "Float", "Double", "Integer",
"String"))
# Code_attribute {
# u2 attribute_name_index;
# u4 attribute_length;
# u2 max_stack;
# u2 max_locals;
# u4 code_length;
# u1 code[code_length];
# u2 exception_table_length;
# { u2 start_pc;
# u2 end_pc;
# u2 handler_pc;
# u2 catch_type;
# } exception_table[exception_table_length];
# u2 attributes_count;
# attribute_info attributes[attributes_count];
# }
elif attr_name == "Code":
yield UInt16(self, "max_stack")
yield UInt16(self, "max_locals")
yield UInt32(self, "code_length")
if self["code_length"].value > 0:
yield RawBytes(self, "code", self["code_length"].value)
yield UInt16(self, "exception_table_length")
if self["exception_table_length"].value > 0:
yield FieldArray(self, "exception_table", ExceptionTableEntry,
self["exception_table_length"].value)
yield UInt16(self, "attributes_count")
if self["attributes_count"].value > 0:
yield FieldArray(self, "attributes", AttributeInfo,
self["attributes_count"].value)
# Exceptions_attribute {
# u2 attribute_name_index;
# u4 attribute_length;
# u2 number_of_exceptions;
# u2 exception_index_table[number_of_exceptions];
# }
elif (attr_name == "Exceptions"):
yield UInt16(self, "number_of_exceptions")
yield FieldArray(self,
"exception_index_table",
CPIndex,
self["number_of_exceptions"].value,
target_types="Class")
assert self["attribute_length"].value == \
2 + self["number_of_exceptions"].value * 2
# InnerClasses_attribute {
# u2 attribute_name_index;
# u4 attribute_length;
# u2 number_of_classes;
# { u2 inner_class_info_index;
# u2 outer_class_info_index;
# u2 inner_name_index;
# u2 inner_class_access_flags;
# } classes[number_of_classes];
# }
elif (attr_name == "InnerClasses"):
yield UInt16(self, "number_of_classes")
if self["number_of_classes"].value > 0:
yield FieldArray(self, "classes", InnerClassesEntry,
self["number_of_classes"].value)
assert self["attribute_length"].value == \
2 + self["number_of_classes"].value * 8
# Synthetic_attribute {
# u2 attribute_name_index;
# u4 attribute_length;
# }
elif (attr_name == "Synthetic"):
assert self["attribute_length"].value == 0
# SourceFile_attribute {
# u2 attribute_name_index;
# u4 attribute_length;
# u2 sourcefile_index;
# }
elif (attr_name == "SourceFile"):
assert self["attribute_length"].value == 2
yield CPIndex(self, "sourcefile_index", target_types="Utf8")
# LineNumberTable_attribute {
# u2 attribute_name_index;
# u4 attribute_length;
# u2 line_number_table_length;
# { u2 start_pc;
# u2 line_number;
# } line_number_table[line_number_table_length];
# }
elif (attr_name == "LineNumberTable"):
yield UInt16(self, "line_number_table_length")
if self["line_number_table_length"].value > 0:
yield FieldArray(self, "line_number_table",
LineNumberTableEntry,
self["line_number_table_length"].value)
assert self["attribute_length"].value == \
2 + self["line_number_table_length"].value * 4
# LocalVariableTable_attribute {
# u2 attribute_name_index;
# u4 attribute_length;
# u2 local_variable_table_length;
# { u2 start_pc;
# u2 length;
# u2 name_index;
# u2 descriptor_index;
# u2 index;
# } local_variable_table[local_variable_table_length];
# }
elif (attr_name == "LocalVariableTable"):
yield UInt16(self, "local_variable_table_length")
if self["local_variable_table_length"].value > 0:
yield FieldArray(self, "local_variable_table",
LocalVariableTableEntry,
self["local_variable_table_length"].value)
assert self["attribute_length"].value == \
2 + self["local_variable_table_length"].value * 10
# Deprecated_attribute {
# u2 attribute_name_index;
# u4 attribute_length;
# }
elif (attr_name == "Deprecated"):
assert self["attribute_length"].value == 0
# Unkown attribute type. They are allowed by the JVM specs, but we
# can't say much about them...
elif self["attribute_length"].value > 0:
yield RawBytes(self, "info", self["attribute_length"].value)
def createFields(self):
yield UInt32(self, "start")
yield UInt32(self, "end")
def createFields(self):
yield UInt32(self, "size")
self._size = (self['size'].value + 4) * 8
yield RawBytes(self, "unknown[]", 40)
yield AVCHDTimestamp(self, "last_modified")
yield RawBytes(self, "unknown[]", self._size // 8 - 52)
def createValue(self):
return 1 == UInt32.createValue(self)
def createFields(self):
yield textHandler(UInt32(self, "rva"), hexadecimal)
yield filesizeHandler(UInt32(self, "size"))
yield UInt32(self, "codepage")
yield NullBytes(self, "reserved", 4)
def parsePoint16array(parser):
yield RECT32(parser, "bounds")
yield UInt32(parser, "count")
for index in xrange(parser["count"].value):
yield Point16(parser, "point[]")
def createFields(self):
yield UInt32(self, "name")
yield Bits(self, "offset", 31)
yield Bit(self, "is_name")
def parseICMMode(parser):
yield UInt32(parser, "icm_mode")
def createFields(self):
yield Enum(UInt32(self, "type"), self.TYPE_DESC)
yield Bits(self, "offset", 31)
yield Bit(self, "is_subdir")
def createFields(self):
while not self.eof:
yield UInt32(self, "track_id[]", "Referenced track ID")
def createFields(self):
yield Header(self, "header")
yield UInt32(self, "prev_size[]", "Size of previous chunk")
while not self.eof:
yield Chunk(self, "chunk[]")
yield UInt32(self, "prev_size[]", "Size of previous chunk")
def createFields(self):
yield UInt8(self, "version", "Version")
yield NullBits(self, "flags", 24)
yield UInt32(self, "sequence_number")
def createFields(self):
yield UInt32(self, "version", "Either 2 or 3")
while self.current_size < self.size:
yield SystemEntry(self, "entry[]")
def createFields(self):
yield UInt32(self, "size")
yield UInt32(self, "index")
yield Atom(self, "value")
def createFields(self):
yield textHandler(UInt32(self, "unknown[]", "0x01FE"), hexadecimal)
yield textHandler(UInt32(self, "unknown[]", "0x0"), hexadecimal)
yield filesizeHandler(UInt64(self, "file_size"))
yield textHandler(UInt32(self, "unknown[]", "0x0"), hexadecimal)
yield textHandler(UInt32(self, "unknown[]", "0x0"), hexadecimal)
def createFields(self):
yield UInt8(self, "version")
yield NullBits(self, "flags", 24)
yield UInt32(self, "count", description="Total entries in table")
for i in xrange(self['count'].value):
yield SampleEntry(self, "sample_entry[]")
def createFields(self):
yield String(self, "magic", 4, "ITSP", charset="ASCII")
yield UInt32(self, "version", "Version (=1)")
yield filesizeHandler(
UInt32(self, "size",
"Length (in bytes) of the directory header (84)"))
yield UInt32(self, "unknown[]", "(=10)")
yield filesizeHandler(
UInt32(self, "block_size", "Directory block size"))
yield UInt32(self, "density", "Density of quickref section, usually 2")
yield UInt32(self, "index_depth", "Depth of the index tree")
yield Int32(self, "nb_dir", "Chunk number of root index chunk")
yield UInt32(self, "first_pmgl",
"Chunk number of first PMGL (listing) chunk")
yield UInt32(self, "last_pmgl",
"Chunk number of last PMGL (listing) chunk")
yield Int32(self, "unknown[]", "-1")
yield UInt32(self, "nb_dir_chunk",
"Number of directory chunks (total)")
yield Enum(UInt32(self, "lang_id", "Windows language ID"), LANGUAGE_ID)
yield GUID(self, "system_uuid",
"{5D02926A-212E-11D0-9DF9-00A0C922E6EC}")
yield filesizeHandler(UInt32(self, "size2", "Same value than size"))
yield Int32(self, "unknown[]", "-1")
yield Int32(self, "unknown[]", "-1")
yield Int32(self, "unknown[]", "-1")
def createFields(self):
yield UInt32(self, "num_blocks")
yield UInt32(self, "len")
def parseObjectID32(parser):
yield textHandler(UInt32(parser, "object_id"), hexadecimal)
def __init__(self, parent, name, description=None):
UInt32.__init__(self, parent, name, description)
def __init__(self, parent, name):
UInt32.__init__(self, parent, name)
