+class FormatWrap (F.BaseFormatOperation):
+ """
+ ~<...~@>: wrap enclosed material in another formatting control string.
+
+ The argument is a formatting control. The enclosed material is split into
+ pieces separated by `~;' markers. The formatting control is performed, and
+ passed the list of pieces (as compiled formatting operations) in the
+ keyword argument `wrapped'.
+ """
+ def __init__(me, *args):
+ super(FormatWrap, me).__init__(*args)
+ pieces = []
+ while True:
+ piece, delim = F.collect_subformat('>;')
+ pieces.append(piece)
+ if delim.char == '>': break
+ me.pieces = pieces
+ def _format(me, atp, colonp):
+ op = F.compile(me.getarg.get())
+ with F.FORMAT.bind(argmap = dict(F.FORMAT.argmap, wrapped = me.pieces)):
+ op.format()
+FORMATOPS['<'] = FormatWrap
+