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/* R-callable functions to convert arrays into R objects
*
* rJava R/Java interface (C)Copyright 2003-2007 Simon Urbanek
* (see rJava project root for licensing details)
*/
#include
"rJava.h"
/** get contents of the object array in the form of list of ext. pointers */
REPC
SEXP
RgetObjectArrayCont
(
SEXP
e
) {
SEXP
ar
;
jarray
o
;
int
l
,
i
;
JNIEnv
*
env
=
getJNIEnv
();
profStart
();
if
(
e
==
R_NilValue
)
return
R_NilValue
;
if
(
TYPEOF
(
e
)
==
EXTPTRSXP
) {
jverify
(
e
);
o
=
(
jobject
)
EXTPTR_PTR
(
e
);
}
else
error
(
"invalid object parameter"
);
_dbg
(
rjprintf
(
"RgetObjectArrayCont: jarray %x\n"
,
o
));
if
(!
o
)
return
R_NilValue
;
l
=
(
int
)(
*
env
)
->
GetArrayLength
(
env
,
o
);
_dbg
(
rjprintf
(
" convert object array of length %d\n"
,
l
));
if
(
l
<
1
)
return
R_NilValue
;
PROTECT
(
ar
=
allocVector
(
VECSXP
,
l
));
i
=
0
;
while
(
i
<
l
) {
jobject
ae
=
(
*
env
)
->
GetObjectArrayElement
(
env
,
o
,
i
);
_mp
(
MEM_PROF_OUT
(
" %08x LNEW object array element [%d]\n"
, (
int
)
ae
,
i
))
SET_VECTOR_ELT
(
ar
,
i
,
j2SEXP
(
env
,
ae
,
1
));
i
++
;
}
UNPROTECT
(
1
);
_prof
(
profReport
(
"RgetObjectArrayCont[%d]:"
,
o
));
return
ar
;
}
/** get contents of the object array in the form of STRSXP vector */
REPC
SEXP
RgetStringArrayCont
(
SEXP
e
) {
SEXP
ar
=
R_NilValue
;
if
(
e
==
R_NilValue
)
return
R_NilValue
;
if
(
TYPEOF
(
e
)
==
EXTPTRSXP
) {
jverify
(
e
);
ar
=
getStringArrayCont
( (
jarray
)
EXTPTR_PTR
(
e
) ) ;
}
else
error
(
"invalid object parameter"
);
return
ar
;
}
/** get contents of the integer array object */
REPC
SEXP
RgetIntArrayCont
(
SEXP
e
) {
SEXP
ar
;
jarray
o
;
int
l
;
jint
*
ap
;
JNIEnv
*
env
=
getJNIEnv
();
profStart
();
if
(
e
==
R_NilValue
)
return
e
;
if
(
TYPEOF
(
e
)
==
EXTPTRSXP
) {
jverify
(
e
);
o
=
(
jobject
)
EXTPTR_PTR
(
e
);
}
else
error
(
"invalid object parameter"
);
_dbg
(
rjprintf
(
"RgetIntArrayCont: jarray %x\n"
,
o
));
if
(!
o
)
return
R_NilValue
;
l
=
(
int
)(
*
env
)
->
GetArrayLength
(
env
,
o
);
_dbg
(
rjprintf
(
" convert int array of length %d\n"
,
l
));
if
(
l
<
0
)
return
R_NilValue
;
ap
=
(
jint
*
)(
*
env
)
->
GetIntArrayElements
(
env
,
o
,
0
);
if
(!
ap
)
error
(
"cannot obtain integer array contents"
);
PROTECT
(
ar
=
allocVector
(
INTSXP
,
l
));
if
(
l
>
0
)
memcpy
(
INTEGER
(
ar
),
ap
,
sizeof
(
jint
)
*
l
);
UNPROTECT
(
1
);
(
*
env
)
->
ReleaseIntArrayElements
(
env
,
o
,
ap
,
0
);
_prof
(
profReport
(
"RgetIntArrayCont[%d]:"
,
o
));
return
ar
;
}
/** get contents of the boolean array object */
REPC
SEXP
RgetBoolArrayCont
(
SEXP
e
) {
SEXP
ar
;
jarray
o
;
int
l
;
jboolean
*
ap
;
JNIEnv
*
env
=
getJNIEnv
();
profStart
();
if
(
e
==
R_NilValue
)
return
e
;
if
(
TYPEOF
(
e
)
==
EXTPTRSXP
) {
jverify
(
e
);
o
=
(
jobject
)
EXTPTR_PTR
(
e
);
}
else
error
(
"invalid object parameter"
);
_dbg
(
rjprintf
(
"RgetBoolArrayCont: jarray %x\n"
,
o
));
if
(!
o
)
return
R_NilValue
;
l
=
(
int
)(
*
env
)
->
GetArrayLength
(
env
,
o
);
_dbg
(
rjprintf
(
" convert bool array of length %d\n"
,
l
));
if
(
l
<
0
)
return
R_NilValue
;
ap
=
(
jboolean
*
)(
*
env
)
->
GetBooleanArrayElements
(
env
,
o
,
0
);
if
(!
ap
)
error
(
"cannot obtain boolean array contents"
);
PROTECT
(
ar
=
allocVector
(
LGLSXP
,
l
));
{
/* jboolean = byte, logical = int, need to convert */
int
i
=
0
;
while
(
i
<
l
) {
LOGICAL
(
ar
)[
i
]
=
ap
[
i
];
i
++
;
}
}
UNPROTECT
(
1
);
(
*
env
)
->
ReleaseBooleanArrayElements
(
env
,
o
,
ap
,
0
);
_prof
(
profReport
(
"RgetBoolArrayCont[%d]:"
,
o
));
return
ar
;
}
/** get contents of a character array object */
REPC
SEXP
RgetCharArrayCont
(
SEXP
e
) {
SEXP
ar
;
jarray
o
;
int
l
;
jchar
*
ap
;
JNIEnv
*
env
=
getJNIEnv
();
profStart
();
if
(
e
==
R_NilValue
)
return
e
;
if
(
TYPEOF
(
e
)
==
EXTPTRSXP
) {
jverify
(
e
);
o
=
(
jobject
)
EXTPTR_PTR
(
e
);
}
else
error
(
"invalid object parameter"
);
_dbg
(
rjprintf
(
"RgetCharArrayCont: jarray %x\n"
,
o
));
if
(!
o
)
return
R_NilValue
;
l
=
(
int
)(
*
env
)
->
GetArrayLength
(
env
,
o
);
_dbg
(
rjprintf
(
" convert char array of length %d\n"
,
l
));
if
(
l
<
0
)
return
R_NilValue
;
ap
=
(
*
env
)
->
GetCharArrayElements
(
env
,
o
,
0
);
if
(!
ap
)
error
(
"cannot obtain char array contents"
);
PROTECT
(
ar
=
allocVector
(
INTSXP
,
l
));
{
/* jchar = 16-bit, need to convert */
int
i
=
0
;
while
(
i
<
l
) {
INTEGER
(
ar
)[
i
]
=
ap
[
i
];
i
++
;
}
}
UNPROTECT
(
1
);
(
*
env
)
->
ReleaseCharArrayElements
(
env
,
o
,
ap
,
0
);
_prof
(
profReport
(
"RgetCharArrayCont[%d]:"
,
o
));
return
ar
;
}
/** get contents of a short array object */
REPC
SEXP
RgetShortArrayCont
(
SEXP
e
) {
SEXP
ar
;
jarray
o
;
int
l
;
jshort
*
ap
;
JNIEnv
*
env
=
getJNIEnv
();
profStart
();
if
(
e
==
R_NilValue
)
return
e
;
if
(
TYPEOF
(
e
)
==
EXTPTRSXP
) {
jverify
(
e
);
o
=
(
jobject
)
EXTPTR_PTR
(
e
);
}
else
error
(
"invalid object parameter"
);
_dbg
(
rjprintf
(
"RgetBoolArrayCont: jarray %x\n"
,
o
));
if
(!
o
)
return
R_NilValue
;
l
=
(
int
)(
*
env
)
->
GetArrayLength
(
env
,
o
);
_dbg
(
rjprintf
(
" convert short array of length %d\n"
,
l
));
if
(
l
<
0
)
return
R_NilValue
;
ap
=
(
*
env
)
->
GetShortArrayElements
(
env
,
o
,
0
);
if
(!
ap
)
error
(
"cannot obtain short array contents"
);
PROTECT
(
ar
=
allocVector
(
INTSXP
,
l
));
{
/* jshort = 16-bit, need to convert */
int
i
=
0
;
while
(
i
<
l
) {
INTEGER
(
ar
)[
i
]
=
ap
[
i
];
i
++
;
}
}
UNPROTECT
(
1
);
(
*
env
)
->
ReleaseShortArrayElements
(
env
,
o
,
ap
,
0
);
_prof
(
profReport
(
"RgetShortArrayCont[%d]:"
,
o
));
return
ar
;
}
/** get contents of the byte array object */
REPC
SEXP
RgetByteArrayCont
(
SEXP
e
) {
SEXP
ar
;
jarray
o
;
int
l
;
jbyte
*
ap
;
JNIEnv
*
env
=
getJNIEnv
();
profStart
();
if
(
e
==
R_NilValue
)
return
e
;
if
(
TYPEOF
(
e
)
==
EXTPTRSXP
) {
jverify
(
e
);
o
=
(
jobject
)
EXTPTR_PTR
(
e
);
}
else
error
(
"invalid object parameter"
);
_dbg
(
rjprintf
(
"RgetByteArrayCont: jarray %x\n"
,
o
));
if
(!
o
)
return
R_NilValue
;
l
=
(
int
)(
*
env
)
->
GetArrayLength
(
env
,
o
);
_dbg
(
rjprintf
(
" convert byte array of length %d\n"
,
l
));
if
(
l
<
0
)
return
R_NilValue
;
ap
=
(
jbyte
*
)(
*
env
)
->
GetByteArrayElements
(
env
,
o
,
0
);
if
(!
ap
)
error
(
"cannot obtain byte array contents"
);
PROTECT
(
ar
=
allocVector
(
RAWSXP
,
l
));
if
(
l
>
0
)
memcpy
(
RAW
(
ar
),
ap
,
l
);
UNPROTECT
(
1
);
(
*
env
)
->
ReleaseByteArrayElements
(
env
,
o
,
ap
,
0
);
_prof
(
profReport
(
"RgetByteArrayCont[%d]:"
,
o
));
return
ar
;
}
/** get contents of the double array object */
REPC
SEXP
RgetDoubleArrayCont
(
SEXP
e
) {
SEXP
ar
;
jarray
o
;
int
l
;
jdouble
*
ap
;
JNIEnv
*
env
=
getJNIEnv
();
profStart
();
if
(
e
==
R_NilValue
)
return
e
;
if
(
TYPEOF
(
e
)
==
EXTPTRSXP
) {
jverify
(
e
);
o
=
(
jobject
)
EXTPTR_PTR
(
e
);
}
else
error
(
"invalid object parameter"
);
_dbg
(
rjprintf
(
"RgetDoubleArrayCont: jarray %x\n"
,
o
));
if
(!
o
)
return
R_NilValue
;
l
=
(
int
)(
*
env
)
->
GetArrayLength
(
env
,
o
);
_dbg
(
rjprintf
(
" convert double array of length %d\n"
,
l
));
if
(
l
<
0
)
return
R_NilValue
;
ap
=
(
jdouble
*
)(
*
env
)
->
GetDoubleArrayElements
(
env
,
o
,
0
);
if
(!
ap
)
error
(
"cannot obtain double array contents"
);
PROTECT
(
ar
=
allocVector
(
REALSXP
,
l
));
if
(
l
>
0
)
memcpy
(
REAL
(
ar
),
ap
,
sizeof
(
jdouble
)
*
l
);
UNPROTECT
(
1
);
(
*
env
)
->
ReleaseDoubleArrayElements
(
env
,
o
,
ap
,
0
);
_prof
(
profReport
(
"RgetDoubleArrayCont[%d]:"
,
o
));
return
ar
;
}
/** get contents of the float array object (double) */
REPC
SEXP
RgetFloatArrayCont
(
SEXP
e
) {
SEXP
ar
;
jarray
o
;
int
l
;
jfloat
*
ap
;
JNIEnv
*
env
=
getJNIEnv
();
profStart
();
if
(
e
==
R_NilValue
)
return
e
;
if
(
TYPEOF
(
e
)
==
EXTPTRSXP
) {
jverify
(
e
);
o
=
(
jobject
)
EXTPTR_PTR
(
e
);
}
else
error
(
"invalid object parameter"
);
_dbg
(
rjprintf
(
"RgetFloatArrayCont: jarray %d\n"
,
o
));
if
(!
o
)
return
R_NilValue
;
l
=
(
int
)(
*
env
)
->
GetArrayLength
(
env
,
o
);
_dbg
(
rjprintf
(
" convert float array of length %d\n"
,
l
));
if
(
l
<
0
)
return
R_NilValue
;
ap
=
(
jfloat
*
)(
*
env
)
->
GetFloatArrayElements
(
env
,
o
,
0
);
if
(!
ap
)
error
(
"cannot obtain float array contents"
);
PROTECT
(
ar
=
allocVector
(
REALSXP
,
l
));
{
/* jfloat must be coerced into double .. we use just a cast for each element */
int
i
=
0
;
while
(
i
<
l
) {
REAL
(
ar
)[
i
]
=
(
double
)
ap
[
i
];
i
++
; }
}
UNPROTECT
(
1
);
(
*
env
)
->
ReleaseFloatArrayElements
(
env
,
o
,
ap
,
0
);
_prof
(
profReport
(
"RgetFloatArrayCont[%d]:"
,
o
));
return
ar
;
}
/** get contents of the long array object (int) */
REPC
SEXP
RgetLongArrayCont
(
SEXP
e
) {
SEXP
ar
;
jarray
o
;
int
l
;
jlong
*
ap
;
JNIEnv
*
env
=
getJNIEnv
();
profStart
();
if
(
e
==
R_NilValue
)
return
e
;
if
(
TYPEOF
(
e
)
==
EXTPTRSXP
) {
jverify
(
e
);
o
=
(
jobject
)
EXTPTR_PTR
(
e
);
}
else
error
(
"invalid object parameter"
);
_dbg
(
rjprintf
(
"RgetLongArrayCont: jarray %d\n"
,
o
));
if
(!
o
)
return
R_NilValue
;
l
=
(
int
)(
*
env
)
->
GetArrayLength
(
env
,
o
);
_dbg
(
rjprintf
(
" convert long array of length %d\n"
,
l
));
if
(
l
<
0
)
return
R_NilValue
;
ap
=
(
jlong
*
)(
*
env
)
->
GetLongArrayElements
(
env
,
o
,
0
);
if
(!
ap
)
error
(
"cannot obtain long contents"
);
PROTECT
(
ar
=
allocVector
(
REALSXP
,
l
));
{
/* long must be coerced into double .. we use just a cast for each element, bad idea? */
int
i
=
0
;
while
(
i
<
l
) {
REAL
(
ar
)[
i
]
=
(
double
)
ap
[
i
];
i
++
; }
}
UNPROTECT
(
1
);
(
*
env
)
->
ReleaseLongArrayElements
(
env
,
o
,
ap
,
0
);
_prof
(
profReport
(
"RgetLongArrayCont[%d]:"
,
o
));
return
ar
;
}
/* these below have been factored out of the ones above so that they
can also be used internally in jni code */
/**
* get contents of the String array in the form of STRSXP vector
*
* @param e a pointer to a String[] object
*
* @return a STRSXP vector mirroring the java array
*/
HIDE
SEXP
getStringArrayCont
(
jarray
o
) {
SEXP
ar
;
int
l
,
i
;
const
char
*
c
;
JNIEnv
*
env
=
getJNIEnv
();
profStart
();
_dbg
(
rjprintf
(
"RgetStringArrayCont: jarray %x\n"
,
o
));
if
(!
o
)
return
R_NilValue
;
l
=
(
int
)(
*
env
)
->
GetArrayLength
(
env
,
o
);
_dbg
(
rjprintf
(
" convert string array of length %d\n"
,
l
));
if
(
l
<
0
)
return
R_NilValue
;
PROTECT
(
ar
=
allocVector
(
STRSXP
,
l
));
i
=
0
;
while
(
i
<
l
) {
jobject
sobj
=
(
*
env
)
->
GetObjectArrayElement
(
env
,
o
,
i
);
_mp
(
MEM_PROF_OUT
(
" %08x LNEW object array element [%d]\n"
, (
int
)
sobj
,
i
))
c
=
0
;
if
(
sobj
) {
/* we could (should?) check the type here ...
if (!(*env)->IsInstanceOf(env, sobj, javaStringClass)) {
printf(" not a String\n");
} else
*/
c
=
(
*
env
)
->
GetStringUTFChars
(
env
,
sobj
,
0
);
}
if
(!
c
)
SET_STRING_ELT
(
ar
,
i
,
R_NaString
);
else
{
SET_STRING_ELT
(
ar
,
i
,
mkCharUTF8
(
c
));
(
*
env
)
->
ReleaseStringUTFChars
(
env
,
sobj
,
c
);
}
if
(
sobj
)
releaseObject
(
env
,
sobj
);
i
++
;
}
UNPROTECT
(
1
);
_prof
(
profReport
(
"RgetStringArrayCont[%d]:"
,
o
))
return
ar
;
}
/**
* Get the list of class names of a java object
* This is a jni wrapper around the RJavaTools.getSimpleClassNames method
*/
HIDE
jarray
getSimpleClassNames
(
jobject
o
,
jboolean
addConditionClasses
){
JNIEnv
*
env
=
getJNIEnv
();
jarray
a
;
profStart
();
a
=
(
jarray
) (
*
env
)
->
CallStaticObjectMethod
(
env
,
rj_RJavaTools_Class
,
mid_rj_getSimpleClassNames
,
o
,
addConditionClasses
) ;
_prof
(
profReport
(
"getSimpleClassNames[%d]:"
,
o
)) ;
return
a
;
}
/**
* Get the list of class names of a java object, and
* structure it as a STRSXP vector
*/
HIDE
SEXP
getSimpleClassNames_asSEXP
(
jobject
o
,
jboolean
addConditionClasses
){
if
( !
o
){
SEXP
res
=
PROTECT
(
allocVector
(
STRSXP
,
4
) ) ;
SET_STRING_ELT
(
res
,
0
,
mkChar
(
"Exception"
) ) ;
SET_STRING_ELT
(
res
,
1
,
mkChar
(
"Throwable"
) ) ;
SET_STRING_ELT
(
res
,
2
,
mkChar
(
"error"
) ) ;
SET_STRING_ELT
(
res
,
3
,
mkChar
(
"condition"
) ) ;
UNPROTECT
(
1
);
return
res
;
}
else
{
return
getStringArrayCont
(
getSimpleClassNames
(
o
,
addConditionClasses
) );
}
}
/**
* Returns the STRSXP vector of simple class names of the object o
*/
REPC
SEXP
RgetSimpleClassNames
(
SEXP
e
,
SEXP
addConditionClasses
){
SEXP
ar
=
R_NilValue
;
if
(
e
==
R_NilValue
)
return
R_NilValue
;
jobject
jobj
;
if
(
TYPEOF
(
e
)
==
EXTPTRSXP
) {
jverify
(
e
);
jobj
=
(
jobject
)
EXTPTR_PTR
(
e
) ;
}
else
{
error
(
"invalid object parameter"
);
}
Rboolean
add
;
switch
(
TYPEOF
(
addConditionClasses
)) {
case
LGLSXP
:
add
=
LOGICAL
(
addConditionClasses
)[
0
];
break
;
case
INTSXP
:
add
=
INTEGER
(
addConditionClasses
)[
0
];
break
;
default
:
add
=
asLogical
(
addConditionClasses
);
}
ar
=
getSimpleClassNames_asSEXP
(
jobj
, (
jboolean
)
add
) ;
return
ar
;
}
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