def __init__(self, path, traverser, engine):
self._traverser = traverser
self._engine = engine
# Parse path
compiledpath = []
currentpath = []
for element in str(path).strip().split('/'):
if not element:
raise engine.getCompilerError()(
'Path element may not be empty in %r' % path)
if element.startswith('?'):
if currentpath:
compiledpath.append(tuple(currentpath))
currentpath = []
if not _valid_name(element[1:]):
raise engine.getCompilerError()(
'Invalid variable name "%s"' % element[1:])
compiledpath.append(element[1:])
else:
match = namespace_re.match(element)
if match:
if currentpath:
compiledpath.append(tuple(currentpath))
currentpath = []
namespace, functionname = match.groups()
if not _valid_name(namespace):
raise engine.getCompilerError()(
'Invalid namespace name "%s"' % namespace)
try:
compiledpath.append(
self._engine.getFunctionNamespace(namespace))
except KeyError:
raise engine.getCompilerError()(
'Unknown namespace "%s"' % namespace)
currentpath.append(functionname)
else:
currentpath.append(element)
if currentpath:
compiledpath.append(tuple(currentpath))
first = compiledpath[0]
base = first[0]
if callable(first):
# check for initial function
raise engine.getCompilerError()(
'Namespace function specified in first subpath element')
elif isinstance(first, basestring):
# check for initial ?
raise engine.getCompilerError()(
'Dynamic name specified in first subpath element')
if base and not _valid_name(base):
raise engine.getCompilerError()(
'Invalid variable name "%s"' % element)
self._base = base
compiledpath[0] = first[1:]
self._compiled_path = tuple(compiledpath)
def __init__(self, path, traverser, engine):
self._traverser = traverser
self._engine = engine
# Parse path
compiledpath = []
currentpath = []
for element in str(path).strip().split('/'):
if not element:
raise engine.getCompilerError()(
'Path element may not be empty in %r' % path)
if element.startswith('?'):
if currentpath:
compiledpath.append(tuple(currentpath))
currentpath = []
if not _valid_name(element[1:]):
raise engine.getCompilerError()(
'Invalid variable name "%s"' % element[1:])
compiledpath.append(element[1:])
else:
match = namespace_re.match(element)
if match:
if currentpath:
compiledpath.append(tuple(currentpath))
currentpath = []
namespace, functionname = match.groups()
if not _valid_name(namespace):
raise engine.getCompilerError()(
'Invalid namespace name "%s"' % namespace)
try:
compiledpath.append(
self._engine.getFunctionNamespace(namespace))
except KeyError:
raise engine.getCompilerError()(
'Unknown namespace "%s"' % namespace)
currentpath.append(functionname)
else:
currentpath.append(element)
if currentpath:
compiledpath.append(tuple(currentpath))
first = compiledpath[0]
if callable(first):
# check for initial function
raise engine.getCompilerError()(
'Namespace function specified in first subpath element')
elif isinstance(first, six.string_types):
# check for initial ?
raise engine.getCompilerError()(
'Dynamic name specified in first subpath element')
base = first[0]
if base and not _valid_name(base):
raise engine.getCompilerError()('Invalid variable name "%s"' %
element)
self._base = base
compiledpath[0] = first[1:]
self._compiled_path = tuple(compiledpath)