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Libraries
asn1c
Commits
5f56091c
Commit
5f56091c
authored
Oct 21, 2004
by
Lev Walkin
Browse files
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Plain Diff
XER decoding of a REAL
parent
b2cb57c6
Changes
3
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Showing
3 changed files
with
167 additions
and
10 deletions
+167
-10
skeletons/REAL.c
skeletons/REAL.c
+96
-10
skeletons/REAL.h
skeletons/REAL.h
+1
-0
skeletons/tests/check-REAL.c
skeletons/tests/check-REAL.c
+70
-0
No files found.
skeletons/REAL.c
View file @
5f56091c
...
...
@@ -31,7 +31,7 @@ asn_TYPE_descriptor_t asn_DEF_REAL = {
asn_generic_no_constraint
,
ber_decode_primitive
,
der_encode_primitive
,
0
,
/* Not implemented yet */
REAL_decode_xer
,
REAL_encode_xer
,
0
,
/* Use generic outmost tag fetcher */
asn_DEF_REAL_tags
,
...
...
@@ -42,6 +42,23 @@ asn_TYPE_descriptor_t asn_DEF_REAL = {
0
/* No specifics */
};
typedef
enum
specialRealValue
{
SRV__NOT_A_NUMBER
,
SRV__MINUS_INFINITY
,
SRV__PLUS_INFINITY
}
specialRealValue_e
;
static
struct
specialRealValue_s
{
char
*
string
;
int
length
;
double
dv
;
}
specialRealValue
[]
=
{
#define SRV_SET(foo, val) { foo, sizeof(foo) - 1, val }
SRV_SET
(
"<NOT-A-NUMBER/>"
,
0
.
0
),
SRV_SET
(
"<MINUS-INFINITY/>"
,
-
1
.
0
),
SRV_SET
(
"<PLUS-INFINITY/>"
,
1
.
0
),
#undef SRV_SET
};
ssize_t
REAL__dump
(
double
d
,
int
canonical
,
asn_app_consume_bytes_f
*
cb
,
void
*
app_key
)
{
char
local_buf
[
64
];
...
...
@@ -55,16 +72,16 @@ REAL__dump(double d, int canonical, asn_app_consume_bytes_f *cb, void *app_key)
*/
/* fpclassify(3) is not portable yet */
if
(
isnan
(
d
))
{
buf
=
"<NOT-A-NUMBER/>"
;
buflen
=
15
;
buf
=
specialRealValue
[
SRV__NOT_A_NUMBER
].
string
;
buflen
=
specialRealValue
[
SRV__NOT_A_NUMBER
].
length
;
return
(
cb
(
buf
,
buflen
,
app_key
)
<
0
)
?
-
1
:
buflen
;
}
else
if
(
!
finite
(
d
))
{
if
(
copysign
(
1
.
0
,
d
)
<
0
.
0
)
{
buf
=
"<MINUS-INFINITY/>"
;
buflen
=
17
;
buf
=
specialRealValue
[
SRV__MINUS_INFINITY
].
string
;
buflen
=
specialRealValue
[
SRV__MINUS_INFINITY
].
length
;
}
else
{
buf
=
"<PLUS-INFINITY/>"
;
buflen
=
16
;
buf
=
specialRealValue
[
SRV__PLUS_INFINITY
].
string
;
buflen
=
specialRealValue
[
SRV__PLUS_INFINITY
].
length
;
}
return
(
cb
(
buf
,
buflen
,
app_key
)
<
0
)
?
-
1
:
buflen
;
}
else
if
(
ilogb
(
d
)
<=
-
INT_MAX
)
{
...
...
@@ -99,12 +116,13 @@ REAL__dump(double d, int canonical, asn_app_consume_bytes_f *cb, void *app_key)
if
(
canonical
)
{
/*
* Transform the "[-]d.dddE+-dd" output into "[-]d.dddE[-]d"
* Check that snprintf() constructed the output correctly.
*/
char
*
dot
,
*
E
;
char
*
end
=
buf
+
buflen
;
char
*
last_zero
;
dot
=
(
buf
[
0
]
==
'-'
)
?
(
buf
+
2
)
:
(
buf
+
1
);
dot
=
(
buf
[
0
]
==
0x2d
/* '-' */
)
?
(
buf
+
2
)
:
(
buf
+
1
);
if
(
*
dot
>=
0x30
)
{
errno
=
EINVAL
;
return
-
1
;
/* Not a dot, really */
...
...
@@ -116,7 +134,7 @@ REAL__dump(double d, int canonical, asn_app_consume_bytes_f *cb, void *app_key)
char
*
expptr
=
++
E
;
char
*
s
=
expptr
;
int
sign
;
if
(
*
expptr
==
'+'
)
{
if
(
*
expptr
==
0x2b
/* '+' */
)
{
/* Skip the "+" */
buflen
-=
1
;
sign
=
0
;
...
...
@@ -135,8 +153,12 @@ REAL__dump(double d, int canonical, asn_app_consume_bytes_f *cb, void *app_key)
}
if
(
*
last_zero
==
0x30
)
{
*
last_zero
=
0x45
;
/* E */
buflen
-=
s
-
(
last_zero
+
1
);
s
=
last_zero
+
1
;
if
(
sign
)
*
s
++
=
'-'
;
if
(
sign
)
{
*
s
++
=
0x2d
/* '-' */
;
buflen
++
;
}
}
for
(;
expptr
<=
end
;
s
++
,
expptr
++
)
*
s
=
*
expptr
;
...
...
@@ -221,6 +243,69 @@ REAL_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
return
er
;
}
/*
* Decode the chunk of XML text encoding REAL.
*/
static
ssize_t
REAL__xer_body_decode
(
REAL_t
*
st
,
void
*
chunk_buf
,
size_t
chunk_size
)
{
double
value
;
char
*
xerdata
=
(
char
*
)
chunk_buf
;
char
*
endptr
=
0
;
char
*
b
;
if
(
!
chunk_size
)
return
-
1
;
/*
* Decode an XMLSpecialRealValue: <MINUS-INFINITY>, etc.
*/
if
(
xerdata
[
0
]
==
0x3c
/* '<' */
)
{
size_t
i
;
for
(
i
=
0
;
i
<
sizeof
(
specialRealValue
)
/
sizeof
(
specialRealValue
[
0
]);
i
++
)
{
struct
specialRealValue_s
*
srv
=
&
specialRealValue
[
i
];
if
(
srv
->
length
!=
chunk_size
||
memcmp
(
srv
->
string
,
chunk_buf
,
chunk_size
))
continue
;
if
(
asn_double2REAL
(
st
,
srv
->
dv
/
real_zero
))
return
-
1
;
return
chunk_size
;
}
ASN_DEBUG
(
"Unknown XMLSpecialRealValue"
);
return
-
1
;
}
/*
* Copy chunk into the nul-terminated string, and run strtod.
*/
b
=
MALLOC
(
chunk_size
+
1
);
if
(
!
b
)
return
-
1
;
memcpy
(
b
,
chunk_buf
,
chunk_size
);
b
[
chunk_size
]
=
0
;
value
=
strtod
(
b
,
&
endptr
);
free
(
b
);
if
(
endptr
==
b
)
return
-
1
;
if
(
asn_double2REAL
(
st
,
value
))
return
-
1
;
return
endptr
-
b
;
}
asn_dec_rval_t
REAL_decode_xer
(
asn_codec_ctx_t
*
opt_codec_ctx
,
asn_TYPE_descriptor_t
*
td
,
void
**
sptr
,
const
char
*
opt_mname
,
void
*
buf_ptr
,
size_t
size
)
{
return
xer_decode_primitive
(
opt_codec_ctx
,
td
,
(
ASN__PRIMITIVE_TYPE_t
**
)
sptr
,
opt_mname
,
buf_ptr
,
size
,
REAL__xer_body_decode
);
}
int
asn_REAL2double
(
const
REAL_t
*
st
,
double
*
dbl_value
)
{
unsigned
int
octv
;
...
...
@@ -344,6 +429,7 @@ asn_REAL2double(const REAL_t *st, double *dbl_value) {
m
=
scalbn
(
m
,
8
)
+
*
ptr
;
}
if
(
0
)
ASN_DEBUG
(
"m=%.10f, scF=%d, bF=%d, expval=%d, ldexp()=%f, scalbn()=%f"
,
m
,
scaleF
,
baseF
,
expval
,
ldexp
(
m
,
expval
*
baseF
+
scaleF
),
...
...
skeletons/REAL.h
View file @
5f56091c
...
...
@@ -13,6 +13,7 @@ typedef ASN__PRIMITIVE_TYPE_t REAL_t;
extern
asn_TYPE_descriptor_t
asn_DEF_REAL
;
asn_struct_print_f
REAL_print
;
xer_type_decoder_f
REAL_decode_xer
;
xer_type_encoder_f
REAL_encode_xer
;
/***********************************
...
...
skeletons/tests/check-REAL.c
View file @
5f56091c
...
...
@@ -7,6 +7,7 @@
#include <der_encoder.c>
#include <xer_decoder.c>
#include <xer_support.c>
#include <xer_encoder.c>
#include <constraints.c>
static
char
reconstructed
[
2
][
512
];
...
...
@@ -142,6 +143,64 @@ check_buf(uint8_t *buf, size_t bufsize, double verify, const char *sample, const
check_str_repr
(
val
,
sample
,
canonical_sample
);
}
static
void
check_xer
(
int
fuzzy
,
double
orig_value
)
{
asn_enc_rval_t
er
;
asn_dec_rval_t
rc
;
REAL_t
st
;
REAL_t
*
newst0
=
0
;
REAL_t
*
newst1
=
0
;
double
value0
,
value1
;
int
ret
;
memset
(
&
st
,
0
,
sizeof
(
st
));
ret
=
asn_double2REAL
(
&
st
,
orig_value
);
assert
(
ret
==
0
);
reconstr_lens
[
0
]
=
0
;
reconstr_lens
[
1
]
=
0
;
er
=
xer_encode
(
&
asn_DEF_REAL
,
&
st
,
XER_F_BASIC
,
callback
,
0
);
assert
(
er
.
encoded
==
reconstr_lens
[
0
]);
er
=
xer_encode
(
&
asn_DEF_REAL
,
&
st
,
XER_F_CANONICAL
,
callback
,
(
void
*
)
1
);
assert
(
er
.
encoded
==
reconstr_lens
[
1
]);
reconstructed
[
0
][
reconstr_lens
[
0
]]
=
0
;
reconstructed
[
1
][
reconstr_lens
[
1
]]
=
0
;
printf
(
"%f vs (%d)[%s] & (%d)%s"
,
orig_value
,
reconstr_lens
[
1
],
reconstructed
[
1
],
reconstr_lens
[
0
],
reconstructed
[
0
]
);
rc
=
xer_decode
(
0
,
&
asn_DEF_REAL
,
(
void
**
)
&
newst0
,
reconstructed
[
0
],
reconstr_lens
[
0
]);
assert
(
rc
.
code
==
RC_OK
);
assert
(
rc
.
consumed
<
reconstr_lens
[
0
]);
rc
=
xer_decode
(
0
,
&
asn_DEF_REAL
,
(
void
**
)
&
newst1
,
reconstructed
[
1
],
reconstr_lens
[
1
]);
assert
(
rc
.
code
==
RC_OK
);
assert
(
rc
.
consumed
==
reconstr_lens
[
1
]);
ret
=
asn_REAL2double
(
newst0
,
&
value0
);
assert
(
ret
==
0
);
ret
=
asn_REAL2double
(
newst1
,
&
value1
);
assert
(
ret
==
0
);
assert
(
value0
==
orig_value
||
(
isnan
(
value0
)
&&
isnan
(
orig_value
))
||
fuzzy
);
assert
(
value1
==
orig_value
||
(
isnan
(
value1
)
&&
isnan
(
orig_value
)));
assert
(
newst0
->
size
==
st
.
size
||
fuzzy
);
assert
(
newst1
->
size
==
st
.
size
);
assert
(
fuzzy
||
memcmp
(
newst0
->
buf
,
st
.
buf
,
st
.
size
)
==
0
);
assert
(
memcmp
(
newst1
->
buf
,
st
.
buf
,
st
.
size
)
==
0
);
}
int
main
()
{
REAL_t
rn
;
...
...
@@ -190,5 +249,16 @@ main() {
check_buf
(
buf_mo1
,
sizeof
(
buf_mo1
),
-
3
.
14
,
"-3.14"
,
"-3.14E0"
);
check_buf
(
buf_mo2
,
sizeof
(
buf_mo2
),
3
.
14
,
"3.14"
,
"3.14E0"
);
check_xer
(
0
,
zero
/
zero
);
/* "<NOT-A-NUMBER/>" */
check_xer
(
0
,
1
.
0
/
zero
);
/* "<PLUS-INFINITY/>" */
check_xer
(
0
,
-
1
.
0
/
zero
);
/* "<MINUS-INFINITY/>" */
check_xer
(
0
,
1
.
0
);
check_xer
(
0
,
-
1
.
0
);
check_xer
(
0
,
1
.
5
);
check_xer
(
0
,
123
);
check_xer
(
1
,
0
.
0000000000000000000001
);
check_xer
(
1
,
-
0
.
0000000000000000000001
);
return
0
;
}
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