-import unittest
from plomrogue.errors import ArgError
from plomrogue.mapping import YX
def __init__(self, game=None):
self.game = game
+ self.string_options = {}
def tokenize(self, msg):
"""Parse msg string into tokens.
"""Parse yx_string as yx_tuple, return result.
The range_ argument may be 'nonneg' (non-negative, including
- 0) or 'pos' (positive, excluding 0).
+ 0) or 'pos' (positive, excluding 0) or 'all'.
"""
def get_axis_position_from_argument(axis, token):
- if len(token) < 3 or token[:2] != axis + ':' or \
- not (token[2:].isdigit() or token[2] == '-'):
- raise ArgError('Non-int arg for ' + axis + ' position.')
- n = int(token[2:])
- if n < 1 and range_ == 'pos':
+ if token[:2] != axis + ':':
+ raise ArgError('invalid YX tuple formatting')
+ n_string = token[2:]
+ if n_string.strip() != n_string:
+ raise ArgError('invalid YX tuple formatting')
+ try:
+ n = int(n_string)
+ except ValueError:
+ raise ArgError('non-int value for ' + axis + ' position')
+ if range_ == 'all':
+ return n
+ if n < 1 and range == 'pos':
raise ArgError('Arg for ' + axis + ' position < 1.')
elif n < 0 and range_ == 'nonneg':
raise ArgError('Arg for ' + axis + ' position < 0.')
x = get_axis_position_from_argument('X', tokens[1])
return YX(y, x)
- def parse(self, msg):
+ def parse(self, msg, replace_newline=True):
"""Parse msg as call to function, return function with args tuple.
Respects function signature defined in function's .argtypes attribute.
+
+ Refuses messages with any but a small list of acceptable characters.
+
"""
+ import string
+ if replace_newline:
+ msg = msg.replace('\n', ' ') # Inserted by some tablet keyboards.
+ legal_chars = string.digits + string.ascii_letters +\
+ string.punctuation + ' ' + 'ÄäÖöÜüߧ' + 'éèáàô' + '–…'
+ for c in msg:
+ if not c in legal_chars:
+ raise ArgError('Command/message contains illegal character(s), '
+ 'may only contain ones of: %s' % legal_chars)
tokens = self.tokenize(msg)
if len(tokens) == 0:
return None, ()
tmpl_tokens = signature.split()
if len(tmpl_tokens) != len(args_tokens):
raise ArgError('Number of arguments (' + str(len(args_tokens)) +
- ') not expected number (' + str(len(tmpl_tokens))
- + ').')
+ ') not expected number (' + str(len(tmpl_tokens)) +
+ ').')
args = []
string_string = 'string'
for i in range(len(tmpl_tokens)):
if not arg.isdigit() or int(arg) < 1:
raise ArgError('Argument must be positive integer.')
args += [int(arg)]
+ elif tmpl == 'int':
+ try:
+ args += [int(arg)]
+ except ValueError:
+ raise ArgError('Argument must be integer.')
+ elif tmpl == 'bool':
+ if not arg.isdigit() or int(arg) not in (0, 1):
+ raise ArgError('Argument must be 0 or 1.')
+ args += [bool(int(arg))]
elif tmpl == 'char':
try:
ord(arg)
args += [self.parse_yx_tuple(arg, 'nonneg')]
elif tmpl == 'yx_tuple:pos':
args += [self.parse_yx_tuple(arg, 'pos')]
+ elif tmpl == 'yx_tuple':
+ args += [self.parse_yx_tuple(arg, 'all')]
elif tmpl == string_string:
args += [arg]
elif tmpl[:len(string_string) + 1] == string_string + ':':
- if not hasattr(self.game, 'get_string_options'):
- raise ArgError('No string option directory.')
string_option_type = tmpl[len(string_string) + 1:]
- options = self.game.get_string_options(string_option_type)
- if options is None:
- raise ArgError('Unknown string option type.')
+ if not string_option_type in self.string_options.keys():
+ raise ArgError('Unknown string option type: %s' % string_option_type)
+ options = self.string_options[string_option_type]
if arg not in options:
msg = 'Argument #%s must be one of: %s' % (i + 1, options)
raise ArgError(msg)