def parse_stream_header(h, ctxt, data):
stream_type, stream_attributes, stream_size, stream_name_size = struct.unpack(
win32_stream_id_format, data)
print(
"\nType:",
stream_type,
stream_types[stream_type],
"Attributes:",
stream_attributes,
"Size:",
stream_size,
"Name len:",
stream_name_size,
)
if stream_name_size > 0:
## ??? sdk says this size is in characters, but it appears to be number of bytes ???
bytes_read, stream_name_buf, ctxt = win32file.BackupRead(
h, stream_name_size, None, False, True, ctxt)
stream_name = pywintypes.UnicodeFromRaw(stream_name_buf[:])
else:
stream_name = "Unnamed"
print("Name:" + stream_name)
return (
ctxt,
stream_type,
stream_attributes,
stream_size,
stream_name_size,
stream_name,
)
def parseUString(data, start, limit):
i = start
while i < limit:
if data[i:i + 2] == '\000\000':
break
i = i + 2
szKey = pywintypes.UnicodeFromRaw(data[start:i])
i = i + 2
#print "szKey:", '"'+str(szKey)+'"', "(consumed", i-start, "bytes - to", i, ")"
return i, szKey
def get_item_text(hwnd, max_len=4):
while True:
# 创建char[]
buf = ctypes.create_string_buffer(max_len)
# 获取内容
if win32gui.SendMessage(hwnd, win32con.WM_GETTEXT, max_len // 2, buf) == 0:
return None
# 如果以0,0,0,0结尾，说明缓冲区够大
if (buf.raw[-4], buf.raw[-3], buf.raw[-2], buf.raw[-1]) == (0, 0, 0, 0):
# 转成utf-8
text = pywintypes.UnicodeFromRaw(buf.raw)
# 去掉末尾的0就能返回
return text.strip('\00')
# 否则把缓冲区扩大一倍重试
else:
max_len *= 2