Hi Martin, thanks i'll try it later! It would help if you could provide a Metacello configuration for it.
Cheers, Francisco On Sat, Jan 1, 2011 at 6:03 PM, <[email protected]> wrote: > I updated the Xtreams port (http://www.squeaksource.com/Xtreams) over the > holidays to catch up with the state on VW side. The primary changes are > updates/fixes of the positioning API and a cleanup/extension of the slicing > API. The slicers are replaced by much simpler #slicing setup and the > inverse, #stitching, was added (the updated documentation can be found in > the usual place: http://code.google.com/p/xtreams/wiki/Substreams). More > details on the changes below. > > Enjoy, > > Martin > > Positioning updates: > * ++/--/+=/-=/position: now return the argument instead of self > * they all also skip as far as they can raising Incomplete with the count > of the actual amount skipped > * this means that the positioning wrapper will advance as far forward as it > needs to satisfy the request, in case of -= it means it will advance all the > way to the end of the underlying stream. > * similarly asking a positioning wrapper for length or available will make > it advance to the end > * in the other direction, positioning wrapper can't skip past the beginning > of its buffer, so if the buffer window moves forward, so does the absolute > position; position 0 is always the beginning of the buffer, whereever it is > at any given moment > * also extended ++ and -- to call the other if the argument is negative (it > helps with implementation of the others) > > All read/write/positioning calls except put:/get/read: now consistently > return element counts so that one can use a computation as an argument and > then obtain the actual number in response. This simplifies common patterns > like: > actual := [ stream ++ (x max: y) ] on: Incomplete do: [ :ex | ex > count ]. > instead of: > actual := x max: y. > [ stream ++ actual ] on: Incomplete do: [ :ex | actual := ex count > ]. > > Slicing/Stitching updates: > Replacing all the -er: slicer creation methods with the new #slicing and > adding complementary #stitching. > * #slicing is sent to a substream "prototype" and clones it when next slice > is needed, e.g. > (stream limiting: 3) slicing > * #stitching is sent to a read stream of streams and makes it look like one > continuous stream > [ stream limiting: stream get ] reading stitching > * stitching replaces the experimental proto and concatentation streams > * ReadStream>>, is now implemented with stitching too > >
