def __init__(self, pattern):
"""
Class constructor.
@type pattern: str
@param pattern:
Hexadecimal pattern matching with wildcards.
Hex patterns must be in this form::
"68 65 6c 6c 6f 20 77 6f 72 6c 64" # "hello world"
Spaces are optional. Capitalization of hex digits doesn't matter.
This is exactly equivalent to the previous example::
"68656C6C6F20776F726C64" # "hello world"
Wildcards are allowed, in the form of a C{?} sign in any hex digit::
"5? 5? c3" # pop register / pop register / ret
"b8 ?? ?? ?? ??" # mov eax, immediate value
"""
super(HexPattern, self).__init__(pattern)
if not HexInput.is_pattern(pattern):
raise ValueError("Invalid hexadecimal pattern: %r" % pattern)
self.length = HexInput.get_pattern_length(pattern)
self.compiled = re.compile(HexInput.pattern(pattern), re.DOTALL)
def __init__(self, pattern):
"""
Class constructor.
@type pattern: str
@param pattern:
Hexadecimal pattern matching with wildcards.
Hex patterns must be in this form::
"68 65 6c 6c 6f 20 77 6f 72 6c 64" # "hello world"
Spaces are optional. Capitalization of hex digits doesn't matter.
This is exactly equivalent to the previous example::
"68656C6C6F20776F726C64" # "hello world"
Wildcards are allowed, in the form of a C{?} sign in any hex digit::
"5? 5? c3" # pop register / pop register / ret
"b8 ?? ?? ?? ??" # mov eax, immediate value
"""
super(HexPattern, self).__init__(pattern)
if not HexInput.is_pattern(pattern):
raise ValueError("Invalid hexadecimal pattern: %r" % pattern)
self.length = HexInput.get_pattern_length(pattern)
self.compiled = re.compile( HexInput.pattern(pattern), re.DOTALL )
