def load_from_string(text, package_context='', full_name='', short_name=''):
"""
Load message specification from a string.
@param text: .msg text
@type text: str
@param package_context: package name to use for the type name or
'' to use the local (relative) naming convention.
@type package_context: str
@return: Message specification
@rtype: L{MsgSpec}
@raise MsgSpecException: if syntax errors or other problems are detected in file
"""
types = []
names = []
constants = []
for orig_line in text.split('\n'):
l = orig_line.split(COMMENTCHAR)[0].strip() #strip comments
if not l:
continue #ignore empty lines
splits = [s for s in [x.strip() for x in l.split(" ")] if s] #split type/name, filter out empties
type_ = splits[0]
if not is_valid_msg_type(type_):
raise MsgSpecException("%s is not a legal message type"%type_)
if CONSTCHAR in l:
if not is_valid_constant_type(type_):
raise MsgSpecException("%s is not a legal constant type"%type_)
if type_ == 'string':
# strings contain anything to the right of the equals sign, there are no comments allowed
idx = orig_line.find(CONSTCHAR)
name = orig_line[orig_line.find(' ')+1:idx]
val = orig_line[idx+1:]
else:
splits = [x.strip() for x in ' '.join(splits[1:]).split(CONSTCHAR)] #resplit on '='
if len(splits) != 2:
raise MsgSpecException("Invalid declaration: %s"%l)
name = splits[0]
val = splits[1]
try:
val_converted = _convert_val(type_, val)
except Exception as e:
raise MsgSpecException("Invalid declaration: %s"%e)
constants.append(Constant(type_, name, val_converted, val.strip()))
else:
if len(splits) != 2:
raise MsgSpecException("Invalid declaration: %s"%l)
name = splits[1]
if not is_valid_msg_field_name(name):
raise MsgSpecException("%s is not a legal message field name"%name)
if package_context and not SEP in type_:
if not base_msg_type(type_) in RESERVED_TYPES:
#print "rewrite", type_, "to", "%s/%s"%(package_context, type_)
type_ = "%s/%s"%(package_context, type_)
types.append(type_)
names.append(name)
return MsgSpec(types, names, constants, text, full_name, short_name, package_context)
def load_from_string(text, package_context='', full_name='', short_name=''):
"""
Load message specification from a string.
@param text: .msg text
@type text: str
@param package_context: package name to use for the type name or
'' to use the local (relative) naming convention.
@type package_context: str
@return: Message specification
@rtype: L{MsgSpec}
@raise MsgSpecException: if syntax errors or other problems are detected in file
"""
types = []
names = []
constants = []
for orig_line in text.split('\n'):
l = orig_line.split(COMMENTCHAR)[0].strip() #strip comments
if not l:
continue #ignore empty lines
splits = [s for s in [x.strip() for x in l.split(" ")] if s] #split type/name, filter out empties
type_ = splits[0]
if not is_valid_msg_type(type_):
raise MsgSpecException("%s is not a legal message type"%type_)
if CONSTCHAR in l:
if not is_valid_constant_type(type_):
raise MsgSpecException("%s is not a legal constant type"%type_)
if type_ == 'string':
# strings contain anything to the right of the equals sign, there are no comments allowed
idx = orig_line.find(CONSTCHAR)
name = orig_line[orig_line.find(' ')+1:idx]
val = orig_line[idx+1:]
else:
splits = [x.strip() for x in ' '.join(splits[1:]).split(CONSTCHAR)] #resplit on '='
if len(splits) != 2:
raise MsgSpecException("Invalid declaration: %s"%l)
name = splits[0]
val = splits[1]
try:
val_converted = _convert_val(type_, val)
except Exception as e:
raise MsgSpecException("Invalid declaration: %s"%e)
constants.append(Constant(type_, name, val_converted, val.strip()))
else:
if len(splits) != 2:
raise MsgSpecException("Invalid declaration: %s"%l)
name = splits[1]
if not is_valid_msg_field_name(name):
raise MsgSpecException("%s is not a legal message field name"%name)
if package_context and not SEP in type_:
if not base_msg_type(type_) in RESERVED_TYPES:
#print "rewrite", type_, "to", "%s/%s"%(package_context, type_)
type_ = "%s/%s"%(package_context, type_)
types.append(type_)
names.append(name)
return MsgSpec(types, names, constants, text, full_name, short_name, package_context)