def to_string(self, indent=0):
"""
indent is the initial indentation of the serialized list, NOT the
extra indentation added at each recursion.
Using code should take into account that the last line is CR-LF
terminated, and so a split on CRLF will generate an extra blank line
"""
string = [] # a list of strings
spaces = SP.get_spaces(indent)
if self._bin_hash is None:
if self._hashtype == HashTypes.SHA1:
top = "%s%s %s/\n" % (spaces, SHA1_HEX_NONE, self.name)
elif self._hashtype == HashTypes.SHA2:
top = "%s%s %s/\n" % (spaces, SHA2_HEX_NONE, self.name)
elif self._hashtype == HashTypes.SHA3:
top = "%s%s %s/\n" % (spaces, SHA3_HEX_NONE, self.name)
else:
top = "%s%s %s/\n" % (spaces, self.hex_hash, self.name)
string.append(top) # <--- LEVEL 0 NODE
my_indent = indent + 1 # <--- LEVEL 1 NODE
for node in self.nodes:
if isinstance(node, MerkleLeaf):
string.append(node.to_string(my_indent))
else:
# recurse
string.append(node.to_string_not_top(my_indent))
return ''.join(string)
def to_string(self, indent=0):
if self._bin_hash is None:
if self._hashtype == HashTypes.SHA1:
hash_ = SHA1_HEX_NONE
elif self._hashtype == HashTypes.SHA2:
hash_ = SHA2_HEX_NONE
elif self._hashtype == HashTypes.SHA3:
hash_ = SHA3_HEX_NONE
else:
hash_ = self.hex_hash
string = "%s%s %s\n" % (SP.get_spaces(indent), hash_, self.name)
return string
def to_string_not_top(self, indent=0):
""" indent is the indentation to be used for the top node"""
string = [] # a list of strings
spaces = SP.get_spaces(indent)
if self._bin_hash is None:
if self._hashtype == HashTypes.SHA1:
top = "%s%s %s/\n" % (spaces, SHA1_HEX_NONE, self.name)
elif self._hashtype == HashTypes.SHA2:
top = "%s%s %s/\n" % (spaces, SHA2_HEX_NONE, self.name)
elif self._hashtype == HashTypes.SHA3:
top = "%s%s %s/\n" % (spaces, SHA3_HEX_NONE, self.name)
else:
top = "%s%s %s/\n" % (spaces, self.hex_hash, self.name)
string.append(top)
indent += 1 # <--- LEVEL 2+ NODE
for node in self.nodes:
if isinstance(node, MerkleLeaf):
string.append(node.to_string(indent))
else:
# recurse
string.append(node.to_string_not_top(indent))
return ''.join(string)