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Merge pull request #9 from Conaclos/working

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jvelilla
2014-07-08 17:25:35 +02:00
parent 0db02a8c52 20e704604a
commit de282948e6
33 changed files with 2005 additions and 1983 deletions
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4
library/extras/file/json_file_reader.e
View File

@@ -26,7 +26,9 @@ feature -- Access
create template_content.make_empty
l_file.read_stream (l_file.count)
l_last_string := l_file.last_string
check l_last_string /= Void end -- implied by postcondition of `l_file.read_stream'
check
l_last_string /= Void
end -- implied by postcondition of `l_file.read_stream'
template_content.append (l_last_string.string)
Result := template_content
l_file.close

10
library/extras/visitor/json_iterator.e
View File

@@ -1,11 +1,8 @@
note
description:
"JSON Iterator"
description: "JSON Iterator"
pattern: "Iterator visitor"
author: "Jocelyn Fiat"
license:"MIT (see http://www.opensource.org/licenses/mit-license.php)"
license: "MIT (see http://www.opensource.org/licenses/mit-license.php)"
date: "2013/08/01"
revision: "Revision 0.1"
@@ -13,6 +10,7 @@ deferred class
JSON_ITERATOR
inherit
JSON_VISITOR
feature -- Visitor Pattern
@@ -52,7 +50,7 @@ feature -- Visitor Pattern
end
end
visit_json_string (a_json_string: JSON_STRING)
visit_json_string (a_json_string: JSON_STRING)
-- Visit `a_json_string'.
do
end

30
library/extras/visitor/json_pretty_string_visitor.e
View File

@@ -6,11 +6,11 @@ class
JSON_PRETTY_STRING_VISITOR
inherit
JSON_VISITOR
create
make,
make_custom
make, make_custom
feature -- Initialization
@@ -26,7 +26,6 @@ feature -- Initialization
output := a_output
create indentation.make_empty
indentation_step := "%T"
object_count_inlining := a_object_count_inlining
array_count_inlining := a_array_count_inlining
end
@@ -34,7 +33,7 @@ feature -- Initialization
feature -- Access
output: STRING_32
-- JSON representation
-- JSON representation
indentation: like output
@@ -60,6 +59,7 @@ feature -- Access
end
object_count_inlining: INTEGER
array_count_inlining: INTEGER
feature -- Visitor Pattern
@@ -82,10 +82,7 @@ feature -- Visitor Pattern
until
l_json_array.off
loop
if
line_number > l_line or
l_multiple_lines
then
if line_number > l_line or l_multiple_lines then
new_line
end
value := l_json_array.item
@@ -96,10 +93,7 @@ feature -- Visitor Pattern
end
end
exdent
if
line_number > l_line or
l_json_array.count >= array_count_inlining
then
if line_number > l_line or l_json_array.count >= array_count_inlining then
new_line
end
output.append ("]")
@@ -140,10 +134,7 @@ feature -- Visitor Pattern
until
l_pairs.off
loop
if
line_number > l_line or
l_multiple_lines
then
if line_number > l_line or l_multiple_lines then
new_line
end
l_pairs.key_for_iteration.accept (Current)
@@ -155,16 +146,13 @@ feature -- Visitor Pattern
end
end
exdent
if
line_number > l_line or
l_pairs.count >= object_count_inlining
then
if line_number > l_line or l_pairs.count >= object_count_inlining then
new_line
end
output.append ("}")
end
visit_json_string (a_json_string: JSON_STRING)
visit_json_string (a_json_string: JSON_STRING)
-- Visit `a_json_string'.
do
output.append ("%"")

9
library/extras/visitor/json_visitor.e
View File

@@ -1,11 +1,8 @@
note
description:
"JSON Visitor"
description: "JSON Visitor"
pattern: "Visitor"
author: "Javier Velilla"
license:"MIT (see http://www.opensource.org/licenses/mit-license.php)"
license: "MIT (see http://www.opensource.org/licenses/mit-license.php)"
date: "2008/08/24"
revision: "Revision 0.1"
@@ -49,7 +46,7 @@ feature -- Visitor Pattern
deferred
end
visit_json_string (a_json_string: JSON_STRING)
visit_json_string (a_json_string: JSON_STRING)
-- Visit `a_json_string'.
require
a_json_string_not_void: a_json_string /= Void

14
library/extras/visitor/print_json_visitor.e
View File

@@ -8,9 +8,11 @@ class
PRINT_JSON_VISITOR
inherit
JSON_VISITOR
create make
create
make
feature -- Initialization
@@ -23,7 +25,7 @@ feature -- Initialization
feature -- Access
to_json: STRING
-- JSON representation
-- JSON representation
feature -- Visitor Pattern
@@ -33,7 +35,7 @@ feature -- Visitor Pattern
value: JSON_VALUE
l_json_array: ARRAYED_LIST [JSON_VALUE]
do
l_json_array:=a_json_array.array_representation
l_json_array := a_json_array.array_representation
to_json.append ("[")
from
l_json_array.start
@@ -44,7 +46,7 @@ feature -- Visitor Pattern
value.accept (Current)
l_json_array.forth
if not l_json_array.after then
to_json.append(",")
to_json.append (",")
end
end
to_json.append ("]")
@@ -71,7 +73,7 @@ feature -- Visitor Pattern
visit_json_object (a_json_object: JSON_OBJECT)
-- Visit `a_json_object'.
local
l_pairs: HASH_TABLE[JSON_VALUE,JSON_STRING]
l_pairs: HASH_TABLE [JSON_VALUE, JSON_STRING]
do
l_pairs := a_json_object.map_representation
to_json.append ("{")
@@ -91,7 +93,7 @@ feature -- Visitor Pattern
to_json.append ("}")
end
visit_json_string (a_json_string: JSON_STRING)
visit_json_string (a_json_string: JSON_STRING)
-- Visit `a_json_string'.
do
to_json.append ("%"")

10
library/kernel/converters/json_arrayed_list_converter.e
View File

@@ -5,20 +5,22 @@ note
revision: "$Revision$"
file: "$HeadURL: $"
class JSON_ARRAYED_LIST_CONVERTER
class
JSON_ARRAYED_LIST_CONVERTER
inherit
JSON_LIST_CONVERTER
JSON_LIST_CONVERTER
redefine
object
end
create
make
make
feature -- Access
object: ARRAYED_LIST [detachable ANY]
object: ARRAYED_LIST [detachable ANY]
feature {NONE} -- Factory

32
library/kernel/converters/json_converter.e
View File

@@ -5,32 +5,34 @@ note
revision: "$Revision$"
file: "$HeadURL: $"
deferred class JSON_CONVERTER
deferred class
JSON_CONVERTER
inherit
SHARED_EJSON
SHARED_EJSON
feature -- Access
object: ANY
-- Eiffel object
deferred
end
object: ANY
-- Eiffel object
deferred
end
feature -- Conversion
from_json (j: attached like to_json): detachable like object
-- Convert from JSON value.
from_json (j: attached like to_json): detachable like object
-- Convert from JSON value.
-- Returns Void if unable to convert
deferred
end
deferred
end
to_json (o: like object): detachable JSON_VALUE
-- Convert to JSON value
deferred
end
to_json (o: like object): detachable JSON_VALUE
-- Convert to JSON value
deferred
end
invariant
has_eiffel_object: object /= Void -- An empty object must be created at creation time!
has_eiffel_object: object /= Void -- An empty object must be created at creation time!
end

110
library/kernel/converters/json_hash_table_converter.e
View File

@@ -1,76 +1,82 @@
note
description: "A JSON converter for HASH_TABLE [ANY, HASHABLE]"
author: "Paul Cohen"
description: "A JSON converter for HASH_TABLE [ANY, HASHABLE]"
author: "Paul Cohen"
date: "$Date: 2014-01-30 15:27:41 +0100 (jeu., 30 janv. 2014) $"
revision: "$Revision: 94128 $"
file: "$HeadURL: $"
file: "$HeadURL: $"
class JSON_HASH_TABLE_CONVERTER
class
JSON_HASH_TABLE_CONVERTER
inherit
JSON_CONVERTER
JSON_CONVERTER
create
make
make
feature {NONE} -- Initialization
make
do
create object.make (0)
end
make
do
create object.make (0)
end
feature -- Access
object: HASH_TABLE [ANY, HASHABLE]
object: HASH_TABLE [ANY, HASHABLE]
feature -- Conversion
from_json (j: attached like to_json): like object
do
create Result.make (j.count)
across
j as ic
loop
if attached json.object (ic.item, Void) as l_object then
from_json (j: attached like to_json): like object
do
create Result.make (j.count)
across
j as ic
loop
if attached json.object (ic.item, Void) as l_object then
if attached {HASHABLE} json.object (ic.key, Void) as h then
Result.put (l_object, h)
else
check key_is_hashable: False end
check
key_is_hashable: False
end
end
else
check object_attached: False end
end
end
end
else
check
object_attached: False
end
end
end
end
to_json (o: like object): detachable JSON_OBJECT
local
c: HASH_TABLE_ITERATION_CURSOR [ANY, HASHABLE]
js: JSON_STRING
failed: BOOLEAN
do
create Result.make
from
c := o.new_cursor
until
c.after
loop
if attached {JSON_STRING} json.value (c.key) as l_key then
js := l_key
else
create js.make_json (c.key.out)
end
if attached json.value (c.item) as jv then
Result.put (jv, js)
else
failed := True
end
c.forth
end
if failed then
Result := Void
end
end
to_json (o: like object): detachable JSON_OBJECT
local
c: HASH_TABLE_ITERATION_CURSOR [ANY, HASHABLE]
js: JSON_STRING
failed: BOOLEAN
do
create Result.make
from
c := o.new_cursor
until
c.after
loop
if attached {JSON_STRING} json.value (c.key) as l_key then
js := l_key
else
create js.make_json (c.key.out)
end
if attached json.value (c.item) as jv then
Result.put (jv, js)
else
failed := True
end
c.forth
end
if failed then
Result := Void
end
end
end -- class JSON_HASH_TABLE_CONVERTER

10
library/kernel/converters/json_linked_list_converter.e
View File

@@ -5,20 +5,22 @@ note
revision: "$Revision$"
file: "$HeadURL: $"
class JSON_LINKED_LIST_CONVERTER
class
JSON_LINKED_LIST_CONVERTER
inherit
JSON_LIST_CONVERTER
JSON_LIST_CONVERTER
redefine
object
end
create
make
make
feature -- Access
object: LINKED_LIST [detachable ANY]
object: LINKED_LIST [detachable ANY]
feature {NONE} -- Factory

86
library/kernel/converters/json_list_converter.e
View File

@@ -1,25 +1,27 @@
note
description: "A JSON converter for LIST [ANY]"
author: "Paul Cohen"
date: "$Date$"
revision: "$Revision$"
file: "$HeadURL: $"
description: "A JSON converter for LIST [ANY]"
author: "Paul Cohen"
date: "$Date$"
revision: "$Revision$"
file: "$HeadURL: $"
deferred class JSON_LIST_CONVERTER
deferred class
JSON_LIST_CONVERTER
inherit
JSON_CONVERTER
JSON_CONVERTER
feature {NONE} -- Initialization
make
make
do
object := new_object (0)
end
end
feature -- Access
object: LIST [detachable ANY]
object: LIST [detachable ANY]
feature {NONE} -- Factory
@@ -31,44 +33,44 @@ feature {NONE} -- Factory
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
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]
jv: detachable JSON_VALUE
to_json (o: like object): detachable JSON_ARRAY
local
c: ITERATION_CURSOR [detachable ANY]
jv: detachable JSON_VALUE
failed: BOOLEAN
do
create Result.make_array
from
c := o.new_cursor
until
c.after
loop
jv := json.value (c.item)
if jv /= Void then
Result.add (jv)
else
do
create Result.make_array
from
c := o.new_cursor
until
c.after
loop
jv := json.value (c.item)
if jv /= Void then
Result.add (jv)
else
failed := True
end
end
c.forth
end
end
if failed then
Result := Void
end
end
end
end -- class JSON_ARRAYED_LIST_CONVERTER

20
library/kernel/ejson.e
View File

@@ -5,9 +5,11 @@ note
revision: "$Revision$"
file: "$HeadURL: $"
class EJSON
class
EJSON
inherit
EXCEPTIONS
feature -- Access
@@ -19,9 +21,9 @@ feature -- Access
i: INTEGER
ja: JSON_ARRAY
do
-- Try to convert from basic Eiffel types. Note that we check with
-- `conforms_to' since the client may have subclassed the base class
-- that these basic types are derived from.
-- Try to convert from basic Eiffel types. Note that we check with
-- `conforms_to' since the client may have subclassed the base class
-- that these basic types are derived from.
if an_object = Void then
create {JSON_NULL} Result
elseif attached {BOOLEAN} an_object as b then
@@ -56,7 +58,9 @@ feature -- Access
if attached value (a @ i) as v then
ja.add (v)
else
check value_attached: False end
check
value_attached: False
end
end
i := i + 1
end
@@ -65,15 +69,13 @@ feature -- Access
create {JSON_STRING} Result.make_json (c8.out)
elseif attached {CHARACTER_32} an_object as c32 then
create {JSON_STRING} Result.make_json (c32.out)
elseif attached {STRING_8} an_object as s8 then
create {JSON_STRING} Result.make_json (s8)
elseif attached {STRING_32} an_object as s32 then
create {JSON_STRING} Result.make_json_from_string_32 (s32)
end
if Result = Void then
-- Now check the converters
-- Now check the converters
if an_object /= Void and then attached converter_for (an_object) as jc then
Result := jc.to_json (an_object)
else
@@ -84,7 +86,7 @@ feature -- Access
object (a_value: detachable JSON_VALUE; base_class: detachable STRING): detachable ANY
-- Eiffel object from JSON value. If `base_class' /= Void an eiffel
-- object based on `base_class' will be returned. Raises an "eJSON
-- object based on `base_class' will be returned. Raises an "eJSON
-- exception" if unable to convert value.
local
i: INTEGER

230
library/kernel/json_array.e
View File

@@ -1,75 +1,75 @@
note
description: "[
JSON_ARRAY represent an array in JSON.
An array in JSON is an ordered set of names.
Examples
array
[]
[elements]
]"
author: "Javier Velilla"
date: "2008/08/24"
revision: "Revision 0.1"
description: "[
JSON_ARRAY represent an array in JSON.
An array in JSON is an ordered set of names.
Examples
array
[]
[elements]
]"
author: "Javier Velilla"
date: "2008/08/24"
revision: "Revision 0.1"
class
JSON_ARRAY
JSON_ARRAY
inherit
JSON_VALUE
JSON_VALUE
ITERABLE [JSON_VALUE]
DEBUG_OUTPUT
create
make_array
make_array
feature {NONE} -- Initialization
make_array
-- Initialize JSON Array
do
create values.make (10)
end
make_array
-- Initialize JSON Array
do
create values.make (10)
end
feature -- Access
i_th alias "[]" (i: INTEGER): JSON_VALUE
-- Item at `i'-th position
require
is_valid_index: valid_index (i)
do
Result := values.i_th (i)
end
i_th alias "[]" (i: INTEGER): JSON_VALUE
-- Item at `i'-th position
require
is_valid_index: valid_index (i)
do
Result := values.i_th (i)
end
representation: STRING
local
i: INTEGER
do
Result := "["
from
i := 1
until
i > count
loop
Result.append (i_th (i).representation)
i := i + 1
if i <= count then
Result.append_character (',')
end
end
Result.append_character (']')
end
representation: STRING
local
i: INTEGER
do
Result := "["
from
i := 1
until
i > count
loop
Result.append (i_th (i).representation)
i := i + 1
if i <= count then
Result.append_character (',')
end
end
Result.append_character (']')
end
feature -- Visitor pattern
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_json_array' procedure on `a_visitor'.)
do
a_visitor.visit_json_array (Current)
end
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_json_array' procedure on `a_visitor'.)
do
a_visitor.visit_json_array (Current)
end
feature -- Access
@@ -81,98 +81,96 @@ feature -- Access
feature -- Mesurement
count: INTEGER
-- Number of items.
do
Result := values.count
end
count: INTEGER
-- Number of items.
do
Result := values.count
end
feature -- Status report
valid_index (i: INTEGER): BOOLEAN
-- Is `i' a valid index?
do
Result := (1 <= i) and (i <= count)
end
valid_index (i: INTEGER): BOOLEAN
-- Is `i' a valid index?
do
Result := (1 <= i) and (i <= count)
end
feature -- Change Element
put_front (v: JSON_VALUE)
require
v_not_void: v /= Void
do
values.put_front (v)
ensure
has_new_value: old values.count + 1 = values.count and
values.first = v
end
require
v_not_void: v /= Void
do
values.put_front (v)
ensure
has_new_value: old values.count + 1 = values.count and values.first = v
end
add, extend (v: JSON_VALUE)
require
v_not_void: v /= Void
do
values.extend (v)
ensure
has_new_value: old values.count + 1 = values.count and
values.has (v)
end
add, extend (v: JSON_VALUE)
require
v_not_void: v /= Void
do
values.extend (v)
ensure
has_new_value: old values.count + 1 = values.count and values.has (v)
end
prune_all (v: JSON_VALUE)
-- Remove all occurrences of `v'.
require
v_not_void: v /= Void
do
values.prune_all (v)
ensure
not_has_new_value: not values.has (v)
end
require
v_not_void: v /= Void
do
values.prune_all (v)
ensure
not_has_new_value: not values.has (v)
end
wipe_out
-- Remove all items.
do
values.wipe_out
end
do
values.wipe_out
end
feature -- Report
hash_code: INTEGER
-- Hash code value
do
from
values.start
Result := values.item.hash_code
until
values.off
loop
Result:= ((Result \\ 8388593) |<< 8) + values.item.hash_code
values.forth
end
Result := Result \\ values.count
end
hash_code: INTEGER
-- Hash code value
do
from
values.start
Result := values.item.hash_code
until
values.off
loop
Result := ((Result \\ 8388593) |<< 8) + values.item.hash_code
values.forth
end
Result := Result \\ values.count
end
feature -- Conversion
array_representation: ARRAYED_LIST [JSON_VALUE]
-- Representation as a sequences of values
-- be careful, modifying the return object may have impact on the original JSON_ARRAY object
do
Result := values
end
array_representation: ARRAYED_LIST [JSON_VALUE]
-- Representation as a sequences of values
-- be careful, modifying the return object may have impact on the original JSON_ARRAY object
do
Result := values
end
feature -- Status report
debug_output: STRING
-- String that should be displayed in debugger to represent `Current'.
do
Result := count.out + " item(s)"
end
debug_output: STRING
-- String that should be displayed in debugger to represent `Current'.
do
Result := count.out + " item(s)"
end
feature {NONE} -- Implementation
values: ARRAYED_LIST [JSON_VALUE]
-- Value container
values: ARRAYED_LIST [JSON_VALUE]
-- Value container
invariant
value_not_void: values /= Void
value_not_void: values /= Void
end

79
library/kernel/json_boolean.e
View File

@@ -1,61 +1,62 @@
note
description: "JSON Truth values"
author: "Javier Velilla"
date: "2008/08/24"
revision: "Revision 0.1"
description: "JSON Truth values"
author: "Javier Velilla"
date: "2008/08/24"
revision: "Revision 0.1"
class
JSON_BOOLEAN
JSON_BOOLEAN
inherit
JSON_VALUE
JSON_VALUE
create
make_boolean
make_boolean
feature {NONE} -- Initialization
make_boolean (an_item: BOOLEAN)
--Initialize.
do
item := an_item
end
make_boolean (an_item: BOOLEAN)
--Initialize.
do
item := an_item
end
feature -- Access
item: BOOLEAN
-- Content
item: BOOLEAN
-- Content
hash_code: INTEGER
-- Hash code value
do
Result := item.hash_code
end
hash_code: INTEGER
-- Hash code value
do
Result := item.hash_code
end
representation: STRING
do
if item then
Result := "true"
else
Result := "false"
end
end
representation: STRING
do
if item then
Result := "true"
else
Result := "false"
end
end
feature -- Visitor pattern
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_json_boolean' procedure on `a_visitor'.)
do
a_visitor.visit_json_boolean (Current)
end
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_json_boolean' procedure on `a_visitor'.)
do
a_visitor.visit_json_boolean (Current)
end
feature -- Status report
debug_output: STRING
-- String that should be displayed in debugger to represent `Current'.
do
Result := item.out
end
debug_output: STRING
-- String that should be displayed in debugger to represent `Current'.
do
Result := item.out
end
end

59
library/kernel/json_null.e
View File

@@ -1,47 +1,48 @@
note
description: "JSON Null Values"
author: "Javier Velilla"
date: "2008/08/24"
revision: "Revision 0.1"
description: "JSON Null Values"
author: "Javier Velilla"
date: "2008/08/24"
revision: "Revision 0.1"
class
JSON_NULL
JSON_NULL
inherit
JSON_VALUE
JSON_VALUE
feature --Access
hash_code: INTEGER
-- Hash code value
do
Result := null_value.hash_code
end
hash_code: INTEGER
-- Hash code value
do
Result := null_value.hash_code
end
representation: STRING
do
Result := "null"
end
representation: STRING
do
Result := "null"
end
feature -- Visitor pattern
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_element_a' procedure on `a_visitor'.)
do
a_visitor.visit_json_null (Current)
end
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_element_a' procedure on `a_visitor'.)
do
a_visitor.visit_json_null (Current)
end
feature -- Status report
debug_output: STRING
-- String that should be displayed in debugger to represent `Current'.
do
Result := null_value
end
debug_output: STRING
-- String that should be displayed in debugger to represent `Current'.
do
Result := null_value
end
feature {NONE}-- Implementation
feature {NONE} -- Implementation
null_value: STRING = "null"
null_value: STRING = "null"
end

132
library/kernel/json_number.e
View File

@@ -1,99 +1,99 @@
note
description: "JSON Numbers, octal and hexadecimal formats are not used."
author: "Javier Velilla"
date: "2008/08/24"
revision: "Revision 0.1"
license:"MIT (see http://www.opensource.org/licenses/mit-license.php)"
description: "JSON Numbers, octal and hexadecimal formats are not used."
author: "Javier Velilla"
date: "2008/08/24"
revision: "Revision 0.1"
license: "MIT (see http://www.opensource.org/licenses/mit-license.php)"
class
JSON_NUMBER
JSON_NUMBER
inherit
JSON_VALUE
redefine
is_equal
end
JSON_VALUE
redefine
is_equal
end
create
make_integer,
make_natural,
make_real
make_integer, make_natural, make_real
feature {NONE} -- initialization
make_integer (an_argument: INTEGER_64)
-- Initialize an instance of JSON_NUMBER from the integer value of `an_argument'.
do
item := an_argument.out
numeric_type := INTEGER_TYPE
end
make_integer (an_argument: INTEGER_64)
-- Initialize an instance of JSON_NUMBER from the integer value of `an_argument'.
do
item := an_argument.out
numeric_type := INTEGER_TYPE
end
make_natural (an_argument: NATURAL_64)
-- Initialize an instance of JSON_NUMBER from the unsigned integer value of `an_argument'.
do
item := an_argument.out
numeric_type := NATURAL_TYPE
end
make_natural (an_argument: NATURAL_64)
-- Initialize an instance of JSON_NUMBER from the unsigned integer value of `an_argument'.
do
item := an_argument.out
numeric_type := NATURAL_TYPE
end
make_real (an_argument: DOUBLE)
-- Initialize an instance of JSON_NUMBER from the floating point value of `an_argument'.
do
item := an_argument.out
numeric_type := DOUBLE_TYPE
end
make_real (an_argument: DOUBLE)
-- Initialize an instance of JSON_NUMBER from the floating point value of `an_argument'.
do
item := an_argument.out
numeric_type := DOUBLE_TYPE
end
feature -- Access
item: STRING
-- Content
item: STRING
-- Content
hash_code: INTEGER
--Hash code value
do
Result := item.hash_code
end
hash_code: INTEGER
--Hash code value
do
Result := item.hash_code
end
representation: STRING
do
Result := item
end
representation: STRING
do
Result := item
end
feature -- Visitor pattern
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_json_number' procedure on `a_visitor'.)
do
a_visitor.visit_json_number (Current)
end
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_json_number' procedure on `a_visitor'.)
do
a_visitor.visit_json_number (Current)
end
feature -- Status
is_equal (other: like Current): BOOLEAN
-- Is `other' attached to an object of the same type
-- as current object and identical to it?
do
Result := item.is_equal (other.item)
end
is_equal (other: like Current): BOOLEAN
-- Is `other' attached to an object of the same type
-- as current object and identical to it?
do
Result := item.is_equal (other.item)
end
feature -- Status report
debug_output: STRING
-- String that should be displayed in debugger to represent `Current'.
do
Result := item
end
debug_output: STRING
-- String that should be displayed in debugger to represent `Current'.
do
Result := item
end
feature -- Implementation
INTEGER_TYPE: INTEGER = 1
DOUBLE_TYPE: INTEGER = 2
NATURAL_TYPE: INTEGER = 3
INTEGER_TYPE: INTEGER = 1
numeric_type: INTEGER
DOUBLE_TYPE: INTEGER = 2
NATURAL_TYPE: INTEGER = 3
numeric_type: INTEGER
invariant
item_not_void: item /= Void
item_not_void: item /= Void
end

458
library/kernel/json_object.e
View File

@@ -1,182 +1,180 @@
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)"
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
JSON_OBJECT
inherit
JSON_VALUE
TABLE_ITERABLE [JSON_VALUE, JSON_STRING]
JSON_VALUE
DEBUG_OUTPUT
TABLE_ITERABLE [JSON_VALUE, JSON_STRING]
DEBUG_OUTPUT
create
make
make
feature {NONE} -- Initialization
make
-- Initialize
do
create object.make (10)
end
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 (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_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_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_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_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
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 (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_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_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_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_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
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.
@@ -185,59 +183,59 @@ feature -- Change Element
end
wipe_out
-- Reset all items to default values; reset status.
-- 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_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
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
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
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
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
@@ -265,53 +263,53 @@ feature -- Status report
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
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
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
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
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
object: HASH_TABLE [JSON_VALUE, JSON_STRING]
-- Value container
invariant
object_not_void: object /= Void
object_not_void: object /= Void
end

283
library/kernel/json_string.e
View File

@@ -1,30 +1,26 @@
note
description: "[
A JSON_STRING represent a string in JSON.
A string is a collection of zero or more Unicodes characters, wrapped in double
quotes, using blackslash espaces.
]"
author: "Javier Velilla"
date: "2008/08/24"
revision: "Revision 0.1"
license:"MIT (see http://www.opensource.org/licenses/mit-license.php)"
description: "[
A JSON_STRING represent a string in JSON.
A string is a collection of zero or more Unicodes characters, wrapped in double
quotes, using blackslash espaces.
]"
author: "Javier Velilla"
date: "2008/08/24"
revision: "Revision 0.1"
license: "MIT (see http://www.opensource.org/licenses/mit-license.php)"
class
JSON_STRING
JSON_STRING
inherit
JSON_VALUE
redefine
is_equal
end
JSON_VALUE
redefine
is_equal
end
create
make_json,
make_json_from_string_32,
make_with_escaped_json
make_json, make_json_from_string_32, make_with_escaped_json
convert
make_json ({READABLE_STRING_8, STRING_8, IMMUTABLE_STRING_8}),
@@ -32,34 +28,34 @@ convert
feature {NONE} -- Initialization
make_json (s: READABLE_STRING_8)
-- Initialize.
require
item_not_void: s /= Void
do
make_with_escaped_json (escaped_json_string (s))
end
make_json (s: READABLE_STRING_8)
-- Initialize.
require
item_not_void: s /= Void
do
make_with_escaped_json (escaped_json_string (s))
end
make_json_from_string_32 (s: READABLE_STRING_32)
-- Initialize from STRING_32 `s'.
require
item_not_void: s /= Void
do
make_with_escaped_json (escaped_json_string_32 (s))
end
make_json_from_string_32 (s: READABLE_STRING_32)
-- Initialize from STRING_32 `s'.
require
item_not_void: s /= Void
do
make_with_escaped_json (escaped_json_string_32 (s))
end
make_with_escaped_json (s: READABLE_STRING_8)
-- Initialize with an_item already escaped
require
item_not_void: s /= Void
do
item := s
end
make_with_escaped_json (s: READABLE_STRING_8)
-- Initialize with an_item already escaped
require
item_not_void: s /= Void
do
item := s
end
feature -- Access
item: STRING
-- Contents with escaped entities if any
item: STRING
-- Contents with escaped entities if any
feature -- Conversion
@@ -86,14 +82,14 @@ feature -- Conversion
unescape_to_string_32 (Result)
end
representation: STRING
representation: STRING
-- String representation of `item' with escaped entities if any
do
create Result.make (item.count + 2)
Result.append_character ('%"')
Result.append (item)
Result.append_character ('%"')
end
do
create Result.make (item.count + 2)
Result.append_character ('%"')
Result.append (item)
Result.append_character ('%"')
end
unescape_to_string_8 (a_output: STRING_8)
-- Unescape string `item' into `a_output'.
@@ -105,11 +101,15 @@ feature -- Conversion
do
s := item
n := s.count
from i := 1 until i > n loop
c := s[i]
from
i := 1
until
i > n
loop
c := s [i]
if c = '\' then
if i < n then
inspect s[i+1]
inspect s [i + 1]
when '\' then
a_output.append_character ('\')
i := i + 2
@@ -132,7 +132,7 @@ feature -- Conversion
a_output.append_character ('%T')
i := i + 2
when 'u' then
--| Leave Unicode \uXXXX unescaped
--| Leave Unicode \uXXXX unescaped
a_output.append_character ('\')
i := i + 1
else
@@ -153,7 +153,7 @@ feature -- Conversion
unescape_to_string_32 (a_output: STRING_32)
-- Unescape string `item' into `a_output' string 32.
--| some encoders uses UTF-8 , and not the recommended pure json encoding
--| thus, let's support the UTF-8 encoding during decoding.
--| thus, let's support the UTF-8 encoding during decoding.
local
s: READABLE_STRING_8
i, n: INTEGER
@@ -163,11 +163,15 @@ feature -- Conversion
do
s := item
n := s.count
from i := 1 until i > n loop
from
i := 1
until
i > n
loop
ch := s.item (i)
if ch = '\' then
if i < n then
inspect s[i+1]
inspect s [i + 1]
when '\' then
a_output.append_character ('\')
i := i + 2
@@ -207,37 +211,27 @@ feature -- Conversion
c := ch.natural_32_code
if c <= 0x7F then
-- 0xxxxxxx
check ch = c.to_character_32 end
check
ch = c.to_character_32
end
a_output.append_character (ch)
elseif c <= 0xDF then
-- 110xxxxx 10xxxxxx
i := i + 1
if i <= n then
a_output.append_code (
((c & 0x1F) |<< 6) |
(s.code (i) & 0x3F)
)
a_output.append_code (((c & 0x1F) |<< 6) | (s.code (i) & 0x3F))
end
elseif c <= 0xEF then
-- 1110xxxx 10xxxxxx 10xxxxxx
i := i + 2
if i <= n then
a_output.append_code (
((c & 0xF) |<< 12) |
((s.code (i - 1) & 0x3F) |<< 6) |
(s.code (i) & 0x3F)
)
a_output.append_code (((c & 0xF) |<< 12) | ((s.code (i - 1) & 0x3F) |<< 6) | (s.code (i) & 0x3F))
end
elseif c <= 0xF7 then
-- 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
i := i + 3
if i <= n then
a_output.append_code (
((c & 0x7) |<< 18) |
((s.code (i - 2) & 0x3F) |<< 12) |
((s.code (i - 1) & 0x3F) |<< 6) |
(s.code (i) & 0x3F)
)
a_output.append_code (((c & 0x7) |<< 18) | ((s.code (i - 2) & 0x3F) |<< 12) | ((s.code (i - 1) & 0x3F) |<< 6) | (s.code (i) & 0x3F))
end
end
i := i + 1
@@ -247,52 +241,52 @@ feature -- Conversion
feature -- Visitor pattern
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_json_string' procedure on `a_visitor'.)
do
a_visitor.visit_json_string (Current)
end
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_json_string' procedure on `a_visitor'.)
do
a_visitor.visit_json_string (Current)
end
feature -- Comparison
is_equal (other: like Current): BOOLEAN
-- Is JSON_STRING made of same character sequence as `other'
-- (possibly with a different capacity)?
do
Result := item.same_string (other.item)
end
is_equal (other: like Current): BOOLEAN
-- Is JSON_STRING made of same character sequence as `other'
-- (possibly with a different capacity)?
do
Result := item.same_string (other.item)
end
feature -- Change Element
append (a_string: STRING)
-- Add a_string
require
a_string_not_void: a_string /= Void
do
item.append_string (a_string)
end
append (a_string: STRING)
-- Add a_string
require
a_string_not_void: a_string /= Void
do
item.append_string (a_string)
end
feature -- Status report
hash_code: INTEGER
-- Hash code value
do
Result := item.hash_code
end
hash_code: INTEGER
-- Hash code value
do
Result := item.hash_code
end
feature -- Status report
debug_output: STRING
-- String that should be displayed in debugger to represent `Current'.
do
Result := item
end
debug_output: STRING
-- String that should be displayed in debugger to represent `Current'.
do
Result := item
end
feature {NONE} -- Implementation
is_hexadecimal (s: READABLE_STRING_8): BOOLEAN
-- Is `s' an hexadecimal value?
-- Is `s' an hexadecimal value?
local
i: INTEGER
do
@@ -302,7 +296,7 @@ feature {NONE} -- Implementation
until
i > s.count or not Result
loop
Result := s[i].is_hexa_digit
Result := s [i].is_hexa_digit
i := i + 1
end
end
@@ -317,13 +311,11 @@ feature {NONE} -- Implementation
char: CHARACTER
do
nb := s.count
if nb >= 2 and then s.item (2) = 'x' then
i := 3
else
i := 1
end
from
until
i > nb
@@ -339,26 +331,37 @@ feature {NONE} -- Implementation
end
end
escaped_json_string (s: READABLE_STRING_8): STRING_8
-- JSON string with '"' and '\' characters escaped
require
s_not_void: s /= Void
escaped_json_string (s: READABLE_STRING_8): STRING_8
-- JSON string with '"' and '\' characters escaped
require
s_not_void: s /= Void
local
i, n: INTEGER
c: CHARACTER_8
do
n := s.count
create Result.make (n + n // 10)
from i := 1 until i > n loop
from
i := 1
until
i > n
loop
c := s.item (i)
inspect c
when '%"' then Result.append_string ("\%"")
when '\' then Result.append_string ("\\")
when '%B' then Result.append_string ("\b")
when '%F' then Result.append_string ("\f")
when '%N' then Result.append_string ("\n")
when '%R' then Result.append_string ("\r")
when '%T' then Result.append_string ("\t")
when '%"' then
Result.append_string ("\%"")
when '\' then
Result.append_string ("\\")
when '%B' then
Result.append_string ("\b")
when '%F' then
Result.append_string ("\f")
when '%N' then
Result.append_string ("\n")
when '%R' then
Result.append_string ("\r")
when '%T' then
Result.append_string ("\t")
else
Result.extend (c)
end
@@ -366,10 +369,10 @@ feature {NONE} -- Implementation
end
end
escaped_json_string_32 (s: READABLE_STRING_32): STRING_8
-- JSON string with '"' and '\' characters and Unicode escaped
require
s_not_void: s /= Void
escaped_json_string_32 (s: READABLE_STRING_32): STRING_8
-- JSON string with '"' and '\' characters and Unicode escaped
require
s_not_void: s /= Void
local
i, j, n: INTEGER
uc: CHARACTER_32
@@ -378,25 +381,36 @@ feature {NONE} -- Implementation
do
n := s.count
create Result.make (n + n // 10)
from i := 1 until i > n loop
from
i := 1
until
i > n
loop
uc := s.item (i)
if uc.is_character_8 then
c := uc.to_character_8
inspect c
when '%"' then Result.append_string ("\%"")
when '\' then Result.append_string ("\\")
when '%B' then Result.append_string ("\b")
when '%F' then Result.append_string ("\f")
when '%N' then Result.append_string ("\n")
when '%R' then Result.append_string ("\r")
when '%T' then Result.append_string ("\t")
when '%"' then
Result.append_string ("\%"")
when '\' then
Result.append_string ("\\")
when '%B' then
Result.append_string ("\b")
when '%F' then
Result.append_string ("\f")
when '%N' then
Result.append_string ("\n")
when '%R' then
Result.append_string ("\r")
when '%T' then
Result.append_string ("\t")
else
Result.extend (c)
end
else
Result.append ("\u")
h := uc.code.to_hex_string
-- Remove first 0 and keep 4 hexa digit
-- Remove first 0 and keep 4 hexa digit
from
j := 1
until
@@ -405,14 +419,15 @@ feature {NONE} -- Implementation
j := j + 1
end
h := h.substring (j, h.count)
from
until
h.count >= 4
loop
h.prepend_integer (0)
end
check h.count = 4 end
check
h.count = 4
end
Result.append (h)
end
i := i + 1
@@ -420,6 +435,6 @@ feature {NONE} -- Implementation
end
invariant
item_not_void: item /= Void
item_not_void: item /= Void
end

60
library/kernel/json_value.e
View File

@@ -1,43 +1,43 @@
note
description:"[
JSON_VALUE represent a value in JSON.
A value can be
* a string in double quotes
* a number
* boolean value(true, false )
* null
* an object
* an array
]"
author: "Javier Velilla"
date: "2008/05/19"
revision: "Revision 0.1"
license:"MIT (see http://www.opensource.org/licenses/mit-license.php)"
description: "[
JSON_VALUE represent a value in JSON.
A value can be
* a string in double quotes
* a number
* boolean value(true, false )
* null
* an object
* an array
]"
author: "Javier Velilla"
date: "2008/05/19"
revision: "Revision 0.1"
license: "MIT (see http://www.opensource.org/licenses/mit-license.php)"
deferred class
JSON_VALUE
JSON_VALUE
inherit
HASHABLE
DEBUG_OUTPUT
HASHABLE
DEBUG_OUTPUT
feature -- Access
representation: STRING
-- UTF-8 encoded Unicode string representation of Current
deferred
end
representation: STRING
-- UTF-8 encoded Unicode string representation of Current
deferred
end
feature -- Visitor pattern
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_*' procedure on `a_visitor'.)
require
a_visitor_not_void: a_visitor /= Void
deferred
end
accept (a_visitor: JSON_VISITOR)
-- Accept `a_visitor'.
-- (Call `visit_*' procedure on `a_visitor'.)
require
a_visitor_not_void: a_visitor /= Void
deferred
end
end

161
library/kernel/scanner/json_parser.e
View File

@@ -1,5 +1,4 @@
note
description: "Parse serialized JSON data"
author: "jvelilla"
date: "2008/08/24"
@@ -9,7 +8,9 @@ class
JSON_PARSER
inherit
JSON_READER
JSON_TOKENS
create
@@ -62,18 +63,18 @@ feature -- Element change
feature -- Commands
parse_json: detachable JSON_VALUE
-- Parse JSON data `representation'
-- start ::= object | array
-- Parse JSON data `representation'
-- start ::= object | array
do
if is_valid_start_symbol then
Result := parse
if extra_elements then
is_parsed := False
end
else
is_parsed := False
report_error ("Syntax error unexpected token, expecting `{' or `['")
end
if is_valid_start_symbol then
Result := parse
if extra_elements then
is_parsed := False
end
else
is_parsed := False
report_error ("Syntax error unexpected token, expecting `{' or `['")
end
end
parse: detachable JSON_VALUE
@@ -92,7 +93,7 @@ feature -- Commands
when j_ARRAY_OPEN then
Result := parse_array
else
if c.is_digit or c = j_MINUS then
if c.is_digit or c = j_MINUS then
Result := parse_number
elseif is_null then
Result := create {JSON_NULL}
@@ -131,15 +132,19 @@ feature -- Commands
l_value: detachable JSON_VALUE
do
create Result.make
-- check if is an empty object {}
-- check if is an empty object {}
next
skip_white_spaces
if actual = j_OBJECT_CLOSE then
--is an empty object
--is an empty object
else
-- a complex object {"key" : "value"}
-- a complex object {"key" : "value"}
previous
from has_more := True until not has_more loop
from
has_more := True
until
not has_more
loop
next
skip_white_spaces
l_json_string := parse_string
@@ -153,7 +158,6 @@ feature -- Commands
report_error ("%N Input string is a not well formed JSON, expected: : found: " + actual.out)
has_more := False
end
l_value := parse
if is_parsed and then (l_value /= Void and l_json_string /= Void) then
Result.put (l_value, l_json_string)
@@ -168,7 +172,7 @@ feature -- Commands
end
else
has_more := False
-- explain the error
-- explain the error
end
end
end
@@ -241,11 +245,11 @@ feature -- Commands
c: like actual
do
create Result.make_array
--check if is an empty array []
--check if is an empty array []
next
skip_white_spaces
if actual = j_array_close then
--is an empty array
--is an empty array
else
previous
from
@@ -263,7 +267,7 @@ feature -- Commands
c := actual
if c = j_ARRAY_CLOSE then
flag := False
elseif c /= ',' then
elseif c /= ',' then
flag := False
is_parsed := False
report_error ("Array is not well formed JSON, found [" + c.out + " ]")
@@ -286,7 +290,6 @@ feature -- Commands
do
create sb.make_empty
sb.append_character (actual)
from
flag := True
until
@@ -294,16 +297,13 @@ feature -- Commands
loop
next
c := actual
if not has_next or is_close_token (c)
or c = ',' or c = '%N' or c = '%R'
then
if not has_next or is_close_token (c) or c = ',' or c = '%N' or c = '%R' then
flag := False
previous
else
sb.append_character (c)
end
end
if is_valid_number (sb) then
if sb.is_integer then
create Result.make_integer (sb.to_integer)
@@ -313,7 +313,7 @@ feature -- Commands
end
else
is_parsed := False
report_error ("Expected a number, found: [ " + sb + " ]")
report_error ("Expected a number, found: [ " + sb + " ]")
end
end
@@ -324,7 +324,7 @@ feature -- Commands
l_string: STRING
do
l_null := null_id
l_string := json_substring (index,index + l_null.count - 1)
l_string := json_substring (index, index + l_null.count - 1)
if l_string.is_equal (l_null) then
Result := True
end
@@ -350,7 +350,7 @@ feature -- Commands
l_string: STRING
do
l_true := true_id
l_string := json_substring (index,index + l_true.count - 1)
l_string := json_substring (index, index + l_true.count - 1)
if l_string.is_equal (l_true) then
Result := True
end
@@ -376,12 +376,12 @@ feature -- Commands
feature {NONE} -- Implementation
is_valid_number (a_number: STRING): BOOLEAN
-- is 'a_number' a valid number based on this regular expression
-- "-?(?: 0|[1-9]\d+)(?: \.\d+)?(?: [eE][+-]?\d+)?\b"?
-- is 'a_number' a valid number based on this regular expression
-- "-?(?: 0|[1-9]\d+)(?: \.\d+)?(?: [eE][+-]?\d+)?\b"?
local
s: detachable STRING
c: CHARACTER
i,n: INTEGER
i, n: INTEGER
do
create s.make_empty
n := a_number.count
@@ -390,34 +390,52 @@ feature {NONE} -- Implementation
else
Result := True
i := 1
--| "-?"
c := a_number[i]
--| "-?"
c := a_number [i]
if c = '-' then
s.extend (c); i := i + 1; c := a_number[i]
s.extend (c);
i := i + 1;
c := a_number [i]
end
--| "0|[1-9]\d*
--| "0|[1-9]\d*
if c.is_digit then
if c = '0' then
--| "0"
s.extend (c); i := i + 1; c := a_number[i]
--| "0"
s.extend (c);
i := i + 1;
c := a_number [i]
else
--| "[1-9]"
s.extend (c); i := i + 1; c := a_number[i]
--| "\d*"
from until i > n or not c.is_digit loop
s.extend (c); i := i + 1; c := a_number[i]
--| "[1-9]"
s.extend (c);
i := i + 1;
c := a_number [i]
--| "\d*"
from
until
i > n or not c.is_digit
loop
s.extend (c);
i := i + 1;
c := a_number [i]
end
end
end
end
if Result then
--| "(\.\d+)?"
--| "(\.\d+)?"
if c = '.' then
--| "\.\d+" = "\.\d\d*"
s.extend (c); i := i + 1; c := a_number[i]
--| "\.\d+" = "\.\d\d*"
s.extend (c);
i := i + 1;
c := a_number [i]
if c.is_digit then
from until i > n or not c.is_digit loop
s.extend (c); i := i + 1; c := a_number[i]
from
until
i > n or not c.is_digit
loop
s.extend (c);
i := i + 1;
c := a_number [i]
end
else
Result := False --| expecting digit
@@ -426,23 +444,37 @@ feature {NONE} -- Implementation
end
if Result then --| "(?:[eE][+-]?\d+)?\b"
if c = 'e' or c = 'E' then
--| "[eE][+-]?\d+"
s.extend (c); i := i + 1; c := a_number[i]
--| "[eE][+-]?\d+"
s.extend (c);
i := i + 1;
c := a_number [i]
if c = '+' or c = '-' then
s.extend (c); i := i + 1; c := a_number[i]
s.extend (c);
i := i + 1;
c := a_number [i]
end
if c.is_digit then
from until i > n or not c.is_digit loop
s.extend (c); i := i + 1; c := a_number[i]
from
until
i > n or not c.is_digit
loop
s.extend (c);
i := i + 1;
c := a_number [i]
end
else
Result := False --| expecting digit
Result := False --| expecting digit
end
end
end
if Result then --| "\b"
from until i > n or not c.is_space loop
s.extend (c); i := i + 1; c := a_number[i]
from
until
i > n or not c.is_space
loop
s.extend (c);
i := i + 1;
c := a_number [i]
end
Result := i > n and then s.same_string (a_number)
end
@@ -454,19 +486,15 @@ feature {NONE} -- Implementation
local
i: INTEGER
do
if
a_unicode.count = 6 and then
a_unicode[1] = '\' and then
a_unicode[2] = 'u'
then
if a_unicode.count = 6 and then a_unicode [1] = '\' and then a_unicode [2] = 'u' then
from
Result := True
i := 3
until
i > 6 or Result = False
loop
inspect a_unicode[i]
when '0'..'9', 'a'..'f', 'A'..'F' then
inspect a_unicode [i]
when '0'..'9', 'a'..'f', 'A'..'F' then
else
Result := False
end
@@ -493,11 +521,11 @@ feature {NONE} -- Implementation
Result := has_next
end
is_valid_start_symbol : BOOLEAN
is_valid_start_symbol: BOOLEAN
-- expecting `{' or `[' as start symbol
do
if attached representation as s and then s.count > 0 then
Result := s[1] = '{' or s[1] = '['
Result := s [1] = '{' or s [1] = '['
end
end
@@ -509,5 +537,4 @@ feature {NONE} -- Constants
null_id: STRING = "null"
end

26
library/kernel/scanner/json_reader.e
View File

@@ -12,22 +12,22 @@ create
feature {NONE} -- Initialization
make (a_json: STRING)
-- Initialize Reader
do
set_representation (a_json)
end
make (a_json: STRING)
-- Initialize Reader
do
set_representation (a_json)
end
feature -- Commands
set_representation (a_json: STRING)
-- Set `representation'.
do
a_json.left_adjust
a_json.right_adjust
set_representation (a_json: STRING)
-- Set `representation'.
do
a_json.left_adjust
a_json.right_adjust
representation := a_json
index := 1
end
index := 1
end
read: CHARACTER
-- Read character
@@ -65,7 +65,7 @@ feature -- Commands
from
c := actual
until
(c /= ' ' and c /= '%N' and c /= '%R' and c /= '%U' and c /= '%T' ) or not has_next
(c /= ' ' and c /= '%N' and c /= '%R' and c /= '%U' and c /= '%T') or not has_next
loop
next
c := actual

24
library/kernel/scanner/json_tokens.e
View File

@@ -10,36 +10,40 @@ class
feature -- Access
j_OBJECT_OPEN: CHARACTER = '{'
j_ARRAY_OPEN: CHARACTER = '['
j_OBJECT_CLOSE: CHARACTER = '}'
j_ARRAY_CLOSE: CHARACTER = ']'
j_STRING: CHARACTER = '"'
j_PLUS: CHARACTER = '+'
j_MINUS: CHARACTER = '-'
j_DOT: CHARACTER = '.'
feature -- Status report
is_open_token (c: CHARACTER): BOOLEAN
-- Characters which open a type
-- Characters which open a type
do
inspect c
when j_OBJECT_OPEN, j_ARRAY_OPEN, j_STRING, j_PLUS, j_MINUS, j_DOT then
Result := True
else
end
end
is_close_token (c: CHARACTER): BOOLEAN
-- Characters which close a type
-- Characters which close a type
do
inspect c
when j_OBJECT_CLOSE, j_ARRAY_CLOSE, j_STRING then
Result := True
else
end
end
@@ -51,26 +55,24 @@ feature -- Status report
-- %R carriage Return
-- %T horizontal Tab
-- %B Backspace
-- / Solidus
-- " Quotation
-- / Solidus
-- " Quotation
do
inspect c
when '%F', '%H', '%N', '%R', '%T', '%B', '/', '"' then
Result := True
else
end
end
is_special_control (c: CHARACTER): BOOLEAN
--Control Characters
-- \b\f\n\r\t
is_special_control (c: CHARACTER): BOOLEAN
--Control Characters
-- \b\f\n\r\t
do
inspect c
when 'b', 'f', 'n', 'r', 't' then
Result := True
else
end
end

58
library/kernel/shared_ejson.e
View File

@@ -1,38 +1,36 @@
note
description: "[
Shared factory class for creating JSON objects. Maps JSON
objects to ELKS HASH_TABLEs and JSON arrays to ELKS
LINKED_LISTs. Use non-conforming inheritance from this
class to ensure that your classes share the same
JSON_FACTORY instance.
]"
author: "Paul Cohen"
date: "$Date$"
revision: "$Revision: 89185 $"
file: "$HeadURL: $"
description: "[
Shared factory class for creating JSON objects. Maps JSON
objects to ELKS HASH_TABLEs and JSON arrays to ELKS
LINKED_LISTs. Use non-conforming inheritance from this
class to ensure that your classes share the same
JSON_FACTORY instance.
]"
author: "Paul Cohen"
date: "$Date$"
revision: "$Revision: 89185 $"
file: "$HeadURL: $"
class SHARED_EJSON
class
SHARED_EJSON
feature
json: EJSON
-- A shared EJSON instance with default converters for
--LINKED_LIST [ANY] and HASH_TABLE [ANY, HASHABLE]
local
json: EJSON
-- A shared EJSON instance with default converters for
--LINKED_LIST [ANY] and HASH_TABLE [ANY, HASHABLE]
local
jalc: JSON_ARRAYED_LIST_CONVERTER
jllc: JSON_LINKED_LIST_CONVERTER
jhtc: JSON_HASH_TABLE_CONVERTER
once
create Result
jllc: JSON_LINKED_LIST_CONVERTER
jhtc: JSON_HASH_TABLE_CONVERTER
once
create Result
create jalc.make
Result.add_converter (jalc)
create jllc.make
Result.add_converter (jllc)
create jhtc.make
Result.add_converter (jhtc)
end
create jalc.make
Result.add_converter (jalc)
create jllc.make
Result.add_converter (jllc)
create jhtc.make
Result.add_converter (jhtc)
end
end -- class SHARED_EJSON

9
test/autotest/test_suite/application.e
View File

@@ -1,12 +1,13 @@
note
description : "test_suite application root class"
date : "$Date$"
revision : "$Revision$"
description: "test_suite application root class"
date: "$Date$"
revision: "$Revision$"
class
APPLICATION
inherit
ARGUMENTS
create
@@ -17,7 +18,7 @@ feature {NONE} -- Initialization
make
-- Run application.
do
--| Add your code here
--| Add your code here
print ("Hello Eiffel World!%N")
end

27
test/autotest/test_suite/author.e
View File

@@ -1,33 +1,32 @@
class
AUTHOR
create
make
make
feature {NONE} -- Initialization
make (a_name: STRING_32)
make (a_name: STRING_32)
-- Create an author with `a_name' as `name'.
do
set_name (a_name)
ensure
do
set_name (a_name)
ensure
name_set: name = a_name
end
end
feature -- Access
name: STRING_32
-- Author name
name: STRING_32
-- Author name
feature -- Change
set_name (a_name: STRING_32)
set_name (a_name: STRING_32)
-- Set `name' with `a_name'.
do
name := a_name
ensure
do
name := a_name
ensure
name_set: name = a_name
end
end
end -- class AUTHOR

55
test/autotest/test_suite/book.e
View File

@@ -1,60 +1,59 @@
class
BOOK
create
make
make
feature {NONE} -- Initialization
make (a_title: STRING_32; a_author: AUTHOR; a_isbn: STRING_32)
make (a_title: STRING_32; a_author: AUTHOR; a_isbn: STRING_32)
-- Create a book with `a_title' as `title',
-- `a_author' as `author', and `a_isbn' as `isbn',
do
set_title (a_title)
set_author (a_author)
set_isbn (a_isbn)
ensure
-- `a_author' as `author', and `a_isbn' as `isbn'.
do
set_title (a_title)
set_author (a_author)
set_isbn (a_isbn)
ensure
title_set: title = a_title
author_set: author = a_author
isbn_set: isbn = a_isbn
end
end
feature -- Access
title: STRING_32
title: STRING_32
-- Main title.
isbn: STRING_32
isbn: STRING_32
-- ISBN.
author: AUTHOR
author: AUTHOR
-- Author.
feature -- Change
set_title (a_title: STRING_32)
set_title (a_title: STRING_32)
-- Set `title' with `a_title'.
do
title := a_title
ensure
do
title := a_title
ensure
title_set: title = a_title
end
end
set_author (a_author: AUTHOR)
set_author (a_author: AUTHOR)
-- Set `author' with `a_author'.
do
author := a_author
ensure
do
author := a_author
ensure
author_set: author = a_author
end
end
set_isbn (a_isbn: STRING_32)
set_isbn (a_isbn: STRING_32)
-- Set `isbn' with `a_isbn'.
do
isbn := a_isbn
ensure
do
isbn := a_isbn
ensure
isbn_set: isbn = a_isbn
end
end
end -- class BOOK

94
test/autotest/test_suite/book_collection.e
View File

@@ -2,77 +2,81 @@ class
BOOK_COLLECTION
create
make
make
feature {NONE} -- Initialization
make (a_name: STRING_32)
-- Create a collection of book with `a_name' as `name'
do
set_name (a_name)
create book_index.make (10)
ensure
make (a_name: STRING_32)
-- Create a book collection with `a_name' as `name'.
do
set_name (a_name)
create book_index.make (10)
ensure
name_set: name = a_name
end
end
feature -- Access
name: STRING_32
name: STRING_32
-- Name.
books: LIST [BOOK]
books: LIST [BOOK]
-- collection of book.
do
create {LINKED_LIST [BOOK]} Result.make
across book_index as it loop
do
create {LINKED_LIST [BOOK]} Result.make
across
book_index as it
loop
Result.append (it.item)
end
end
end
end
books_by_author (a_author: STRING_32): LIST [BOOK]
books_by_author (a_author: STRING_32): LIST [BOOK]
-- Books wrote by `a_author' in this collection.
do
if attached book_index [a_author] as l_result then
Result := l_result
else
create {LINKED_LIST [BOOK]} Result.make
end
end
do
if attached book_index [a_author] as l_result then
Result := l_result
else
create {LINKED_LIST [BOOK]} Result.make
end
end
feature -- Change
set_name (a_name: STRING_32)
set_name (a_name: STRING_32)
-- Set `name' with `a_name'.
do
name := a_name
ensure
do
name := a_name
ensure
name_set: name = a_name
end
end
add_book (a_book: BOOK)
add_book (a_book: BOOK)
-- Extend collection with `a_book'.
local
l: detachable LIST [BOOK]
do
l := book_index.at (a_book.author.name )
if l = Void then
create {LINKED_LIST [BOOK]} l.make
book_index.put (l, a_book.author.name)
end
l.force (a_book)
end
local
l: detachable LIST [BOOK]
do
l := book_index.at (a_book.author.name)
if l = Void then
create {LINKED_LIST [BOOK]} l.make
book_index.put (l, a_book.author.name)
end
l.force (a_book)
end
add_books (book_list: like books)
add_books (book_list: like books)
-- Append collection with `book_list'.
do
across book_list as it loop
do
across
book_list as it
loop
add_book (it.item)
end
end
end
end
feature {NONE} -- Implementation
book_index: HASH_TABLE [LIST [BOOK], STRING_32]
book_index: HASH_TABLE [LIST [BOOK], STRING_32]
-- Association of author name and its books.
end -- class BOOK_COLLECTION

57
test/autotest/test_suite/json_author_converter.e
View File

@@ -1,53 +1,54 @@
note
description: "A JSON converter for AUTHOR"
author: "Paul Cohen"
date: "$Date$"
revision: "$Revision$"
description: "A JSON converter for AUTHOR"
author: "Paul Cohen"
date: "$Date$"
revision: "$Revision$"
class
JSON_AUTHOR_CONVERTER
inherit
JSON_CONVERTER
JSON_CONVERTER
create
make
make
feature {NONE} -- Initialization
make
local
ucs: STRING_32
do
create ucs.make_from_string ("")
create object.make (ucs)
end
make
local
ucs: STRING_32
do
create ucs.make_from_string ("")
create object.make (ucs)
end
feature -- Access
object: AUTHOR
object: AUTHOR
feature -- Conversion
from_json (j: like to_json): detachable like object
do
if attached {STRING_32} json.object (j.item (name_key), Void) as l_name then
from_json (j: like to_json): detachable like object
do
if attached {STRING_32} json.object (j.item (name_key), Void) as l_name then
create Result.make (l_name)
end
end
end
end
to_json (o: like object): JSON_OBJECT
do
create Result.make
Result.put (json.value (o.name), name_key)
end
to_json (o: like object): JSON_OBJECT
do
create Result.make
Result.put (json.value (o.name), name_key)
end
feature {NONE} -- Implementation
name_key: JSON_STRING
name_key: JSON_STRING
-- Author's name label.
once
create Result.make_json ("name")
end
once
create Result.make_json ("name")
end
end -- class JSON_AUTHOR_CONVERTER

77
test/autotest/test_suite/json_book_collection_converter.e
View File

@@ -1,45 +1,45 @@
note
description: "A JSON converter for BOOK_COLLECTION"
author: "Paul Cohen"
date: "$Date$"
revision: "$Revision$"
description: "A JSON converter for BOOK_COLLECTION"
author: "Paul Cohen"
date: "$Date$"
revision: "$Revision$"
class
JSON_BOOK_COLLECTION_CONVERTER
inherit
JSON_CONVERTER
JSON_CONVERTER
create
make
make
feature {NONE} -- Initialization
make
local
ucs: STRING_32
do
create ucs.make_from_string ("")
create object.make (ucs)
end
make
local
ucs: STRING_32
do
create ucs.make_from_string ("")
create object.make (ucs)
end
feature -- Access
object: BOOK_COLLECTION
object: BOOK_COLLECTION
feature -- Conversion
from_json (j: like to_json): detachable like object
local
l_books: LINKED_LIST [BOOK]
do
if
from_json (j: like to_json): detachable like object
local
l_books: LINKED_LIST [BOOK]
do
if
attached {STRING_32} json.object (j.item (name_key), Void) as l_name and
attached {JSON_ARRAY} j.item (books_key) as l_json_array
then
then
create Result.make (l_name)
create l_books.make
across
l_json_array as it
until
@@ -52,32 +52,31 @@ feature -- Conversion
-- Failed
end
end
if Result /= Void then
Result.add_books (l_books)
end
end
end
end
end
to_json (o: like object): JSON_OBJECT
do
create Result.make
Result.put (json.value (o.name), name_key)
Result.put (json.value (o.books), books_key)
end
to_json (o: like object): JSON_OBJECT
do
create Result.make
Result.put (json.value (o.name), name_key)
Result.put (json.value (o.books), books_key)
end
feature {NONE} -- Implementation
feature {NONE} -- Implementation
name_key: JSON_STRING
name_key: JSON_STRING
-- Collection's name label.
once
create Result.make_json ("name")
end
once
create Result.make_json ("name")
end
books_key: JSON_STRING
books_key: JSON_STRING
-- Book list label.
once
create Result.make_json ("books")
end
once
create Result.make_json ("books")
end
end -- class JSON_BOOK_COLLECTION_CONVERTER

83
test/autotest/test_suite/json_book_converter.e
View File

@@ -1,73 +1,74 @@
note
description: "A JSON converter for BOOK"
author: "Paul Cohen"
date: "$Date$"
revision: "$Revision$"
description: "A JSON converter for BOOK"
author: "Paul Cohen"
date: "$Date$"
revision: "$Revision$"
class
JSON_BOOK_CONVERTER
inherit
JSON_CONVERTER
JSON_CONVERTER
create
make
make
feature {NONE} -- Initialization
make
local
ucs: STRING_32
a: AUTHOR
do
create ucs.make_from_string ("")
create a.make (ucs)
create object.make (ucs, a, ucs)
end
make
local
ucs: STRING_32
a: AUTHOR
do
create ucs.make_from_string ("")
create a.make (ucs)
create object.make (ucs, a, ucs)
end
feature -- Access
object: BOOK
object: BOOK
feature -- Conversion
from_json (j: like to_json): detachable like object
do
if
from_json (j: like to_json): detachable like object
do
if
attached {STRING_32} json.object (j.item (title_key), Void) as l_title and
attached {STRING_32} json.object (j.item (isbn_key), Void) as l_isbn and
attached {AUTHOR} json.object (j.item (author_key), "AUTHOR") as l_author
then
then
create Result.make (l_title, l_author, l_isbn)
end
end
end
end
to_json (o: like object): JSON_OBJECT
do
create Result.make
Result.put (json.value (o.title), title_key)
Result.put (json.value (o.isbn), isbn_key)
Result.put (json.value (o.author), author_key)
end
to_json (o: like object): JSON_OBJECT
do
create Result.make
Result.put (json.value (o.title), title_key)
Result.put (json.value (o.isbn), isbn_key)
Result.put (json.value (o.author), author_key)
end
feature {NONE} -- Implementation
title_key: JSON_STRING
title_key: JSON_STRING
-- Book's title label.
once
create Result.make_json ("title")
end
once
create Result.make_json ("title")
end
isbn_key: JSON_STRING
isbn_key: JSON_STRING
-- Book ISBN label.
once
create Result.make_json ("isbn")
end
once
create Result.make_json ("isbn")
end
author_key: JSON_STRING
author_key: JSON_STRING
-- Author label.
once
create Result.make_json ("author")
end
once
create Result.make_json ("author")
end
end -- class JSON_BOOK_CONVERTER

106
test/autotest/test_suite/test_ds.e
View File

@@ -1,14 +1,14 @@
note
description: "Linked list and hash table converters test."
date: "$Date$"
revision: "$Revision$"
description: "Linked list and hash table converters test."
date: "$Date$"
revision: "$Revision$"
class
TEST_DS
inherit
SHARED_EJSON
SHARED_EJSON
undefine
default_create
end
@@ -17,60 +17,56 @@ inherit
feature -- Test
test_linked_list_converter
test_linked_list_converter
-- Convert a linked list to a json value and
-- convert this one to a linked list.
local
l: LINKED_LIST [STRING]
s: STRING
do
create l.make
l.force ("foo")
l.force ("bar")
local
l: LINKED_LIST [STRING]
s: STRING
do
create l.make
l.force ("foo")
l.force ("bar")
if attached json.value (l) as l_value then
s := l_value.representation
assert ("JSON array converted to LINKED_LIST", attached {LINKED_LIST [detachable ANY]} json.object (l_value, "LINKED_LIST"))
else
assert ("LINKED_LIST converted to a JSON value", False)
end
end
if attached json.value (l) as l_value then
s := l_value.representation
assert ("JSON array converted to LINKED_LIST", attached {LINKED_LIST [detachable ANY]} json.object (l_value, "LINKED_LIST"))
else
assert ("LINKED_LIST converted to a JSON value", False)
end
end
test_hash_table_converter
test_hash_table_converter
-- Convert a hash table to a json value and
-- convert this one to a hash table.
local
t: HASH_TABLE [STRING, STRING]
s: STRING
l_ucs_key: detachable STRING_32
do
create t.make (2)
t.put ("foo", "1")
t.put ("bar", "2")
if attached json.value (t) as l_value then
s := l_value.representation
if attached {HASH_TABLE [ANY, HASHABLE]} json.object (l_value, "HASH_TABLE") as t2 then
create l_ucs_key.make_from_string ("1")
if attached {STRING_32} t2 [l_ucs_key] as l_ucs_value then
assert ("ucs_value.string.is_equal (%"foo%")", l_ucs_value.string.is_equal ("foo"))
else
assert ("ucs_value /= Void", False)
end
create l_ucs_key.make_from_string ("2")
if attached {STRING_32} t2 [l_ucs_key] as l_ucs_value then
assert ("ucs_value.string.is_equal (%"bar%")", l_ucs_value.string.is_equal ("bar"))
else
assert ("ucs_value /= Void", False)
end
else
assert ("JSON object converted to HASH_TABLE", False);
end
else
assert ("HASH_TABLE converted to a JSON value", False)
end
end
local
t: HASH_TABLE [STRING, STRING]
s: STRING
l_ucs_key: detachable STRING_32
do
create t.make (2)
t.put ("foo", "1")
t.put ("bar", "2")
if attached json.value (t) as l_value then
s := l_value.representation
if attached {HASH_TABLE [ANY, HASHABLE]} json.object (l_value, "HASH_TABLE") as t2 then
create l_ucs_key.make_from_string ("1")
if attached {STRING_32} t2 [l_ucs_key] as l_ucs_value then
assert ("ucs_value.string.is_equal (%"foo%")", l_ucs_value.string.is_equal ("foo"))
else
assert ("ucs_value /= Void", False)
end
create l_ucs_key.make_from_string ("2")
if attached {STRING_32} t2 [l_ucs_key] as l_ucs_value then
assert ("ucs_value.string.is_equal (%"bar%")", l_ucs_value.string.is_equal ("bar"))
else
assert ("ucs_value /= Void", False)
end
else
assert ("JSON object converted to HASH_TABLE", False);
end
else
assert ("HASH_TABLE converted to a JSON value", False)
end
end
end -- class TEST_DS

1310
test/autotest/test_suite/test_json_core.e
View File

File diff suppressed because it is too large Load Diff

49
test/autotest/test_suite/test_json_custom_classes.e
View File

@@ -1,14 +1,14 @@
note
description: "Parsing and converter of book collection test."
date: "$Date$"
revision: "$Revision$"
description: "Parsing and converter of book collection test."
date: "$Date$"
revision: "$Revision$"
class
TEST_JSON_CUSTOM_CLASSES
inherit
SHARED_EJSON
SHARED_EJSON
undefine
default_create
end
@@ -17,25 +17,24 @@ inherit
feature -- Test
test_custom_classes
test_custom_classes
-- Parse JSON representation to JSON_OBJECT and test book collection converter.
local
jbc: JSON_BOOK_CONVERTER
jbcc: JSON_BOOK_COLLECTION_CONVERTER
jac: JSON_AUTHOR_CONVERTER
parser: JSON_PARSER
jrep: STRING
do
create jbc.make
json.add_converter (jbc)
create jbcc.make
json.add_converter (jbcc)
create jac.make
json.add_converter (jac)
jrep := "{%"name%":%"Test collection%",%"books%":[{%"title%":%"eJSON: The Definitive Guide%",%"isbn%":%"123123-413243%",%"author%":{%"name%":%"Foo Bar%"}}]}"
create parser.make_parser (jrep)
if attached {JSON_OBJECT} parser.parse as l_json_object then
local
jbc: JSON_BOOK_CONVERTER
jbcc: JSON_BOOK_COLLECTION_CONVERTER
jac: JSON_AUTHOR_CONVERTER
parser: JSON_PARSER
jrep: STRING
do
create jbc.make
json.add_converter (jbc)
create jbcc.make
json.add_converter (jbcc)
create jac.make
json.add_converter (jac)
jrep := "{%"name%":%"Test collection%",%"books%":[{%"title%":%"eJSON: The Definitive Guide%",%"isbn%":%"123123-413243%",%"author%":{%"name%":%"Foo Bar%"}}]}"
create parser.make_parser (jrep)
if attached {JSON_OBJECT} parser.parse as l_json_object then
if attached {BOOK_COLLECTION} json.object (l_json_object, "BOOK_COLLECTION") as l_collection then
if attached {JSON_OBJECT} json.value (l_collection) as l_json_object_2 then
assert ("JSON representation is correct", l_json_object_2.representation.same_string (jrep))
@@ -47,7 +46,7 @@ feature -- Test
end
else
assert ("JSON object representation to JSON_OBJECT", False)
end
end
end
end
end -- class TEST_JSON_CUSTOM_CLASS

216
test/autotest/test_suite/test_json_suite.e
View File

@@ -11,6 +11,7 @@ class
TEST_JSON_SUITE
inherit
EQA_TEST_SET
redefine
on_prepare
@@ -27,38 +28,38 @@ feature {NONE} -- Events
feature -- Tests Pass
test_json_pass1
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("pass1.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("pass1.json",parse_json.is_parsed = True)
assert ("pass1.json", parse_json.is_parsed = True)
end
end
test_json_pass2
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("pass2.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("pass2.json",parse_json.is_parsed = True)
assert ("pass2.json", parse_json.is_parsed = True)
end
end
test_json_pass3
--
test_json_pass3
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("pass3.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("pass3.json",parse_json.is_parsed = True)
assert ("pass3.json", parse_json.is_parsed = True)
end
end
@@ -69,14 +70,10 @@ feature -- Tests Pass
s: READABLE_STRING_32
do
s := {STRING_32} "{ %"nihaoma%": %"你好吗\t?%" }"
parse_json := new_json_parser (utf.string_32_to_utf_8_string_8 (s))
json_value := parse_json.parse_json
assert ("utf8.pass1.json", parse_json.is_parsed = True)
if
attached {JSON_OBJECT} json_value as jo and then
attached {JSON_STRING} jo.item ("nihaoma") as js
then
if attached {JSON_OBJECT} json_value as jo and then attached {JSON_STRING} jo.item ("nihaoma") as js then
assert ("utf8.nihaoma", js.unescaped_string_32.same_string ({STRING_32} "你好吗%T?"))
else
assert ("utf8.nihaoma", False)
@@ -84,408 +81,400 @@ feature -- Tests Pass
end
feature -- Tests Failures
test_json_fail1
--
test_json_fail1
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail1.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail1.json",parse_json.is_parsed = False)
assert ("fail1.json", parse_json.is_parsed = False)
end
end
test_json_fail2
--
test_json_fail2
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail2.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail2.json",parse_json.is_parsed = False)
assert ("fail2.json", parse_json.is_parsed = False)
end
end
test_json_fail3
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail3.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail3.json",parse_json.is_parsed = False)
assert ("fail3.json", parse_json.is_parsed = False)
end
end
test_json_fail4
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail4.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail4.json",parse_json.is_parsed = False)
assert ("fail4.json", parse_json.is_parsed = False)
end
end
test_json_fail5
--
test_json_fail5
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail5.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail5.json",parse_json.is_parsed = False)
assert ("fail5.json", parse_json.is_parsed = False)
end
end
test_json_fail6
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail6.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail6.json",parse_json.is_parsed = False )
assert ("fail6.json", parse_json.is_parsed = False)
end
end
test_json_fail7
--
test_json_fail7
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail7.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail7.json",parse_json.is_parsed = False)
assert ("fail7.json", parse_json.is_parsed = False)
end
end
test_json_fail8
--
test_json_fail8
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail8.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail8.json",parse_json.is_parsed = False )
assert ("fail8.json", parse_json.is_parsed = False)
end
end
test_json_fail9
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail9.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail9.json",parse_json.is_parsed = False)
assert ("fail9.json", parse_json.is_parsed = False)
end
end
test_json_fail10
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail10.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail10.json",parse_json.is_parsed = False)
assert ("fail10.json", parse_json.is_parsed = False)
end
end
test_json_fail11
--
test_json_fail11
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail11.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail11.json",parse_json.is_parsed = False)
assert ("fail11.json", parse_json.is_parsed = False)
end
end
test_json_fail12
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail12.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail12.json",parse_json.is_parsed = False)
assert ("fail12.json", parse_json.is_parsed = False)
end
end
test_json_fail13
--
test_json_fail13
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail13.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail13.json",parse_json.is_parsed = False)
assert ("fail13.json", parse_json.is_parsed = False)
end
end
test_json_fail14
--
test_json_fail14
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail14.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail14.json",parse_json.is_parsed = False)
assert ("fail14.json", parse_json.is_parsed = False)
end
end
test_json_fail15
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail15.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail15.json",parse_json.is_parsed = False)
assert ("fail15.json", parse_json.is_parsed = False)
end
end
test_json_fail16
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail16.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail16.json",parse_json.is_parsed = False)
assert ("fail16.json", parse_json.is_parsed = False)
end
end
test_json_fail17
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail17.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail17.json",parse_json.is_parsed = False)
assert ("fail17.json", parse_json.is_parsed = False)
end
end
test_json_fail18
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail18.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail18.json",parse_json.is_parsed = True)
assert ("fail18.json", parse_json.is_parsed = True)
end
end
test_json_fail19
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail19.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail19.json",parse_json.is_parsed = False)
assert ("fail19.json", parse_json.is_parsed = False)
end
end
test_json_fail20
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail20.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail20.json",parse_json.is_parsed = False)
assert ("fail20.json", parse_json.is_parsed = False)
end
end
test_json_fail21
--
test_json_fail21
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail21.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail21.json",parse_json.is_parsed = False)
assert ("fail21.json", parse_json.is_parsed = False)
end
end
test_json_fail22
--
test_json_fail22
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail22.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail22.json",parse_json.is_parsed = False)
assert ("fail22.json", parse_json.is_parsed = False)
end
end
test_json_fail23
--
test_json_fail23
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail23.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail23.json",parse_json.is_parsed = False)
assert ("fail23.json", parse_json.is_parsed = False)
end
end
test_json_fail24
--
test_json_fail24
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail24.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail24.json",parse_json.is_parsed = False)
assert ("fail24.json", parse_json.is_parsed = False)
end
end
test_json_fail25
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail25.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail25.json",parse_json.is_parsed = False)
assert ("fail25.json", parse_json.is_parsed = False)
end
end
test_json_fail26
--
test_json_fail26
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail26.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail26.json",parse_json.is_parsed = False)
assert ("fail26.json", parse_json.is_parsed = False)
end
end
test_json_fail27
--
test_json_fail27
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail27.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail27.json",parse_json.is_parsed = False)
assert ("fail27.json", parse_json.is_parsed = False)
end
end
test_json_fail28
--
test_json_fail28
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail28.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail28.json",parse_json.is_parsed = False)
assert ("fail28.json", parse_json.is_parsed = False)
end
end
test_json_fail29
--
test_json_fail29
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail29.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail29.json",parse_json.is_parsed = False )
assert ("fail29.json", parse_json.is_parsed = False)
end
end
test_json_fail30
--
test_json_fail30
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail30.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail30.json",parse_json.is_parsed = False)
assert ("fail30.json", parse_json.is_parsed = False)
end
end
test_json_fail31
--
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail31.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail31.json",parse_json.is_parsed = False)
assert ("fail31.json", parse_json.is_parsed = False)
end
end
test_json_fail32
--
test_json_fail32
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail32.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail32.json",parse_json.is_parsed = False)
assert ("fail32.json", parse_json.is_parsed = False)
end
end
test_json_fail33
--
test_json_fail33
--
local
parse_json: like new_json_parser
do
if attached json_file_from ("fail33.json") as json_file then
parse_json := new_json_parser (json_file)
json_value := parse_json.parse_json
assert ("fail33.json",parse_json.is_parsed = False)
assert ("fail33.json", parse_json.is_parsed = False)
end
end
@@ -495,23 +484,22 @@ feature -- JSON_FROM_FILE
json_value: detachable JSON_VALUE
json_file_from (fn: STRING): detachable STRING
local
f: RAW_FILE
l_path: STRING
json_file_from (fn: STRING): detachable STRING
local
f: RAW_FILE
l_path: STRING
test_dir: STRING
i: INTEGER
do
test_dir := (create {EXECUTION_ENVIRONMENT}).current_working_directory
test_dir.append_character ((create {OPERATING_ENVIRONMENT}).directory_separator)
l_path := test_dir + fn
create f.make_with_name (l_path)
if f.exists then
-- Found json file
else
-- before EiffelStudio 7.3 , the current dir of autotest execution was not the parent dir of ecf but something like
-- ..json\test\autotest\test_suite\EIFGENs\test_suite\Testing\execution\TEST_JSON_SUITE.test_json_fail1\..\..\..\..\..\fail1.json
-- before EiffelStudio 7.3 , the current dir of autotest execution was not the parent dir of ecf but something like
-- ..json\test\autotest\test_suite\EIFGENs\test_suite\Testing\execution\TEST_JSON_SUITE.test_json_fail1\..\..\..\..\..\fail1.json
from
i := 5
until
@@ -536,9 +524,7 @@ feature -- JSON_FROM_FILE
create Result.make_parser (a_string)
end
invariant
file_reader /= Void
end