93 lines
2.2 KiB
Plaintext
93 lines
2.2 KiB
Plaintext
note
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description: "A JSON converter for HASH_TABLE [ANY, HASHABLE]"
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author: "Paul Cohen"
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date: "$Date$"
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revision: "$Revision$"
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file: "$HeadURL: $"
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class JSON_HASH_TABLE_CONVERTER
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inherit
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JSON_CONVERTER
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create
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make
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feature {NONE} -- Initialization
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make
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do
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create object.make (0)
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end
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feature -- Access
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object: HASH_TABLE [ANY, HASHABLE]
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feature -- Conversion
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from_json (j: attached like to_json): like object
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local
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keys: ARRAY [JSON_STRING]
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i: INTEGER
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h: detachable HASHABLE
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jv: detachable JSON_VALUE
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a: detachable ANY
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do
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keys := j.current_keys
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create Result.make (keys.count)
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from
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i := 1
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until
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i > keys.count
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loop
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h ?= json.object (keys [i], Void)
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check h /= Void end
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jv := j.item (keys [i])
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if jv /= Void then
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a := json.object (jv, Void)
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if a /= Void then
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Result.put (a, h)
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else
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check a_attached: a /= Void end
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end
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else
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check j_has_item: False end
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end
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i := i + 1
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end
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end
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to_json (o: like object): detachable JSON_OBJECT
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local
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c: HASH_TABLE_ITERATION_CURSOR [ANY, HASHABLE]
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js: JSON_STRING
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jv: detachable JSON_VALUE
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failed: BOOLEAN
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do
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create Result.make
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from
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c := o.new_cursor
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until
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c.after
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loop
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if attached {JSON_STRING} json.value (c.key) as l_key then
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js := l_key
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else
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create js.make_json (c.key.out)
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end
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jv := json.value (c.item)
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if jv /= Void then
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Result.put (jv, js)
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else
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failed := True
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end
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c.forth
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end
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if failed then
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Result := Void
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end
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end
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end -- class JSON_HASH_TABLE_CONVERTER
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