316 lines
8.1 KiB
Plaintext
316 lines
8.1 KiB
Plaintext
note
|
|
|
|
description: "[
|
|
An JSON_OBJECT represent an object in JSON.
|
|
An object is an unordered set of name/value pairs
|
|
|
|
Examples:
|
|
|
|
object
|
|
{}
|
|
{"key": "value"}
|
|
|
|
]"
|
|
author: "Javier Velilla"
|
|
date: "2008/08/24"
|
|
revision: "Revision 0.1"
|
|
license:"MIT (see http://www.opensource.org/licenses/mit-license.php)"
|
|
|
|
class
|
|
JSON_OBJECT
|
|
|
|
inherit
|
|
JSON_VALUE
|
|
|
|
TABLE_ITERABLE [JSON_VALUE, JSON_STRING]
|
|
|
|
create
|
|
make
|
|
|
|
feature {NONE} -- Initialization
|
|
|
|
make
|
|
-- Initialize
|
|
do
|
|
create object.make (10)
|
|
end
|
|
|
|
feature -- Change Element
|
|
|
|
put (value: detachable JSON_VALUE; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
require
|
|
key_not_present: not has_key (key)
|
|
local
|
|
l_value: like value
|
|
do
|
|
l_value := value
|
|
if l_value = Void then
|
|
create {JSON_NULL} l_value
|
|
end
|
|
object.extend (l_value, key)
|
|
end
|
|
|
|
put_string (value: READABLE_STRING_GENERAL; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
require
|
|
key_not_present: not has_key (key)
|
|
local
|
|
l_value: JSON_STRING
|
|
do
|
|
create l_value.make_json_from_string_32 (value.as_string_32)
|
|
put (l_value, key)
|
|
end
|
|
|
|
|
|
put_integer (value: INTEGER_64; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
require
|
|
key_not_present: not has_key (key)
|
|
local
|
|
l_value: JSON_NUMBER
|
|
do
|
|
create l_value.make_integer (value)
|
|
put (l_value, key)
|
|
end
|
|
|
|
put_natural (value: NATURAL_64; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
require
|
|
key_not_present: not has_key (key)
|
|
local
|
|
l_value: JSON_NUMBER
|
|
do
|
|
create l_value.make_natural (value)
|
|
put (l_value, key)
|
|
end
|
|
|
|
put_real (value: DOUBLE; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
require
|
|
key_not_present: not has_key (key)
|
|
local
|
|
l_value: JSON_NUMBER
|
|
do
|
|
create l_value.make_real (value)
|
|
put (l_value, key)
|
|
end
|
|
|
|
put_boolean (value: BOOLEAN; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
require
|
|
key_not_present: not has_key (key)
|
|
local
|
|
l_value: JSON_BOOLEAN
|
|
do
|
|
create l_value.make_boolean (value)
|
|
put (l_value, key)
|
|
end
|
|
|
|
replace (value: detachable JSON_VALUE; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
local
|
|
l_value: like value
|
|
do
|
|
l_value := value
|
|
if l_value = Void then
|
|
create {JSON_NULL} l_value
|
|
end
|
|
object.force (l_value, key)
|
|
end
|
|
|
|
replace_with_string (value: READABLE_STRING_GENERAL; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
local
|
|
l_value: JSON_STRING
|
|
do
|
|
create l_value.make_json_from_string_32 (value.as_string_32)
|
|
replace (l_value, key)
|
|
end
|
|
|
|
replace_with_integer (value: INTEGER_64; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
local
|
|
l_value: JSON_NUMBER
|
|
do
|
|
create l_value.make_integer (value)
|
|
replace (l_value, key)
|
|
end
|
|
|
|
replace_with_with_natural (value: NATURAL_64; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
local
|
|
l_value: JSON_NUMBER
|
|
do
|
|
create l_value.make_natural (value)
|
|
replace (l_value, key)
|
|
end
|
|
|
|
replace_with_real (value: DOUBLE; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
local
|
|
l_value: JSON_NUMBER
|
|
do
|
|
create l_value.make_real (value)
|
|
replace (l_value, key)
|
|
end
|
|
|
|
replace_with_boolean (value: BOOLEAN; key: JSON_STRING)
|
|
-- Assuming there is no item of key `key',
|
|
-- insert `value' with `key'.
|
|
local
|
|
l_value: JSON_BOOLEAN
|
|
do
|
|
create l_value.make_boolean (value)
|
|
replace (l_value, key)
|
|
end
|
|
|
|
remove (key: JSON_STRING)
|
|
-- Remove item indexed by `key' if any.
|
|
do
|
|
object.remove (key)
|
|
end
|
|
|
|
wipe_out
|
|
-- Reset all items to default values; reset status.
|
|
do
|
|
object.wipe_out
|
|
end
|
|
|
|
feature -- Access
|
|
|
|
has_key (key: JSON_STRING): BOOLEAN
|
|
-- has the JSON_OBJECT contains a specific key 'key'.
|
|
do
|
|
Result := object.has (key)
|
|
end
|
|
|
|
has_item (value: JSON_VALUE): BOOLEAN
|
|
-- has the JSON_OBJECT contain a specfic item 'value'
|
|
do
|
|
Result := object.has_item (value)
|
|
end
|
|
|
|
item (key: JSON_STRING): detachable JSON_VALUE
|
|
-- the json_value associated with a key.
|
|
do
|
|
Result := object.item (key)
|
|
end
|
|
|
|
current_keys: ARRAY [JSON_STRING]
|
|
-- array containing actually used keys
|
|
do
|
|
Result := object.current_keys
|
|
end
|
|
|
|
representation: STRING
|
|
local
|
|
t: HASH_TABLE [JSON_VALUE, JSON_STRING]
|
|
do
|
|
create Result.make (2)
|
|
Result.append_character ('{')
|
|
from
|
|
t := map_representation
|
|
t.start
|
|
until
|
|
t.after
|
|
loop
|
|
Result.append (t.key_for_iteration.representation)
|
|
Result.append_character (':')
|
|
Result.append (t.item_for_iteration.representation)
|
|
t.forth
|
|
if not t.after then
|
|
Result.append_character (',')
|
|
end
|
|
end
|
|
Result.append_character ('}')
|
|
end
|
|
|
|
feature -- Mesurement
|
|
|
|
count: INTEGER
|
|
-- Number of field
|
|
do
|
|
Result := object.count
|
|
end
|
|
|
|
feature -- Access
|
|
|
|
new_cursor: TABLE_ITERATION_CURSOR [JSON_VALUE, JSON_STRING]
|
|
-- Fresh cursor associated with current structure
|
|
do
|
|
Result := object.new_cursor
|
|
end
|
|
|
|
feature -- Status report
|
|
|
|
is_empty: BOOLEAN
|
|
-- Is empty object?
|
|
do
|
|
Result := object.is_empty
|
|
end
|
|
|
|
feature -- Visitor pattern
|
|
|
|
accept (a_visitor: JSON_VISITOR)
|
|
-- Accept `a_visitor'.
|
|
-- (Call `visit_json_object' procedure on `a_visitor'.)
|
|
do
|
|
a_visitor.visit_json_object (Current)
|
|
end
|
|
|
|
feature -- Conversion
|
|
|
|
map_representation: HASH_TABLE [JSON_VALUE, JSON_STRING]
|
|
--A representation that maps keys to values
|
|
do
|
|
Result := object
|
|
end
|
|
|
|
feature -- Report
|
|
|
|
hash_code: INTEGER
|
|
-- Hash code value
|
|
do
|
|
from
|
|
object.start
|
|
Result := object.out.hash_code
|
|
until
|
|
object.off
|
|
loop
|
|
Result := ((Result \\ 8388593) |<< 8) + object.item_for_iteration.hash_code
|
|
object.forth
|
|
end
|
|
-- Ensure it is a positive value.
|
|
Result := Result.hash_code
|
|
end
|
|
|
|
feature -- Status report
|
|
|
|
debug_output: STRING
|
|
-- String that should be displayed in debugger to represent `Current'.
|
|
do
|
|
Result := count.out + " item(s)"
|
|
end
|
|
|
|
feature {NONE} -- Implementation
|
|
|
|
object: HASH_TABLE [JSON_VALUE, JSON_STRING]
|
|
-- Value container
|
|
|
|
invariant
|
|
object_not_void: object /= Void
|
|
|
|
end
|