/src/lib/iterator/internal/iterator_on_traversable.e
http://github.com/tybor/Liberty · Specman e · 80 lines · 42 code · 12 blank · 26 comment · 0 complexity · 34b38c3ada5fd4fbaf38674118cb6aed MD5 · raw file
- -- This file is part of a Liberty Eiffel library.
- -- See the full copyright at the end.
- --
- class ITERATOR_ON_TRAVERSABLE[E_]
- -- Please do not use this class directly. Look at `ITERATOR'.
- inherit
- ITERATOR[E_]
- create {ANY}
- make
- feature {}
- traversable: TRAVERSABLE[E_]
- -- The one to be traversed.
- item_index: INTEGER
- -- Memorize the current position.
- feature {ANY}
- make (t: like traversable)
- require
- t /= Void
- do
- traversable := t
- start
- ensure
- traversable = t
- end
- start
- do
- item_index := traversable.lower
- generation := iterable_generation
- end
- is_off: BOOLEAN
- do
- Result := not traversable.valid_index(item_index)
- end
- item: E_
- do
- Result := traversable.item(item_index)
- end
- next
- do
- item_index := item_index + 1
- end
- feature {ANY}
- iterable_generation: INTEGER
- do
- Result := traversable.generation
- end
- generation: INTEGER
- end -- class ITERATOR_ON_TRAVERSABLE
- --
- -- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
- --
- -- Permission is hereby granted, free of charge, to any person obtaining a copy
- -- of this software and associated documentation files (the "Software"), to deal
- -- in the Software without restriction, including without limitation the rights
- -- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- -- copies of the Software, and to permit persons to whom the Software is
- -- furnished to do so, subject to the following conditions:
- --
- -- The above copyright notice and this permission notice shall be included in
- -- all copies or substantial portions of the Software.
- --
- -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- -- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- -- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- -- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- -- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- -- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- -- THE SOFTWARE.