Package Martel :: Module Expression :: Class Group
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Class Group

Expression --+
             |
            Group


Method Summary
  __init__(self, name, expression, attrs)
(name, expression)
  __str__(self)
the corresponding pattern string
  copy(self)
do a deep copy on this Expression tree
  features(self)
return a list of all features
  group_names(self)
the list of group names used by this Expression and its children
  _find_groups(self, tag)
return a list of all groups matching the given tag
  _modify_leaves(self, func)
internal function for manipulating the leaves of an expression
  _select_names(self, names)
internal function: do not use
    Inherited from Expression
  __add__(self, other)
returns an Expression to match this Expression then the other one
  __or__(self, other)
returns an Expression matching this Expression or (if that fails) the other one
  make_iterator(self, tag, debug_level)
create an iterator for this regexp; the 'tag' defines a record
  make_parser(self, debug_level)
create a SAX compliant parser for this regexp

Method Details

__init__(self, name, expression, attrs=None)
(Constructor)

(name, expression)

Create a group named 'name' which matches the given expression

__str__(self)
(Informal representation operator)

the corresponding pattern string
Overrides:
Martel.Expression.Expression.__str__

copy(self)

do a deep copy on this Expression tree
Overrides:
Martel.Expression.Expression.copy

features(self)

return a list of all features
Overrides:
Martel.Expression.Expression.features

group_names(self)

the list of group names used by this Expression and its children
Overrides:
Martel.Expression.Expression.group_names

_find_groups(self, tag)

return a list of all groups matching the given tag
Overrides:
Martel.Expression.Expression._find_groups

_modify_leaves(self, func)

internal function for manipulating the leaves of an expression

This really needs to be some sort of visit pattern, but I'm not sure the best way to do it. THIS METHOD MAY CHANGE.
Overrides:
Martel.Expression.Expression._modify_leaves (inherited documentation)

_select_names(self, names)

internal function: do not use
Overrides:
Martel.Expression.Expression._select_names

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