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EWF/library/converter/json_list_converter.e

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note
description: "A JSON converter for LIST [ANY]"
author: "Paul Cohen"
date: "$Date$"
revision: "$Revision$"
file: "$HeadURL: $"
deferred class
JSON_LIST_CONVERTER
obsolete
"This JSON converter design has issues [Sept/2014]."
inherit
JSON_CONVERTER
feature {NONE} -- Initialization
make
do
object := new_object (0)
end
feature -- Access
object: LIST [detachable ANY]
feature {NONE} -- Factory
new_object (nb: INTEGER): like object
deferred
ensure
Result /= Void
end
feature -- Conversion
from_json (j: attached like to_json): detachable like object
local
i: INTEGER
do
Result := new_object (j.count)
from
i := 1
until
i > j.count
loop
Result.extend (json.object (j [i], Void))
i := i + 1
end
end
to_json (o: like object): detachable JSON_ARRAY
local
c: ITERATION_CURSOR [detachable ANY]
failed: BOOLEAN
do
create Result.make (o.count)
from
c := o.new_cursor
until
c.after
loop
if attached json.value (c.item) as jv then
Result.add (jv)
else
failed := True
end
c.forth
end
if failed then
Result := Void
end
end
note
copyright: "2010-2014, Javier Velilla and others https://github.com/eiffelhub/json."
license: "https://github.com/eiffelhub/json/blob/master/License.txt"
end -- class JSON_ARRAYED_LIST_CONVERTER