Specialized typemaps---some problems though

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@4792 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Luigi Ballabio 2003-05-19 08:47:31 +00:00
commit 0419085bfd
2 changed files with 165 additions and 11 deletions

View file

@ -1 +1,22 @@
//
// SWIG typemaps for STL - common utilities
// Luigi Ballabio
// May 16, 2003
//
// Perl implementation
%{
#include <string>
double SwigSvToNumber(SV* sv) {
return SvIOK(sv) ? double(SvIVX(sv)) : SvNVX(sv);
}
std::string SwigSvToString(SV* sv) {
STRLEN len;
return SvPV(sv,len);
}
void SwigSvFromString(SV* sv, const std::string& s) {
sv_setpv(sv,s.c_str());
}
%}

View file

@ -4,9 +4,12 @@
// May 7, 2002
// Chris Seatory
// August 5, 2002
// Igor Bely
// May 16, 2003
//
// Perl implementation
%include std_common.i
%include exception.i
// containers
@ -42,7 +45,7 @@
//
// The aim of all that follows would be to integrate std::vector with
// Perl as much as possible, namely, to allow the user to pass and
// be returned Perl lists.
// be returned Perl arrays.
// const declarations are used to guess the intent of the function being
// exported; therefore, the following rationale is applied:
//
@ -244,8 +247,137 @@ namespace std {
// specializations for built-ins
%define specialize_std_vector(T)
%define specialize_std_vector(T,CHECK_T,TO_T,FROM_T)
template<> class vector<T> {
%typemap(in) vector<T> (std::vector<T>* v) {
if (SvROK($input)) {
AV *av = (AV *)SvRV($input);
if (SvTYPE(av) != SVt_PVAV)
SWIG_croak("Type error in argument $argnum of $symname. "
"Expected an array of " #T);
SV **tv;
I32 len = av_len(av) + 1;
for (int i=0; i<len; i++) {
tv = av_fetch(av, i, 0);
if (CHECK_T(*tv)) {
$1.push_back(TO_T(*tv));
} else {
SWIG_croak("Type error in argument $argnum of "
"$symname. "
"Expected an array of " #T);
}
}
} else if (SWIG_ConvertPtr($input,(void **) &v,
$&1_descriptor,1) != -1){
$1 = *v;
} else {
SWIG_croak("Type error in argument $argnum of $symname. "
"Expected an array of " #T);
}
}
%typemap(in) const vector<T>& (std::vector<T> temp,
std::vector<T>* v),
const vector<T>* (std::vector<T> temp,
std::vector<T>* v) {
if (SvROK($input)) {
AV *av = (AV *)SvRV($input);
if (SvTYPE(av) != SVt_PVAV)
SWIG_croak("Type error in argument $argnum of $symname. "
"Expected an array of " #T);
SV **tv;
I32 len = av_len(av) + 1;
T* obj;
for (int i=0; i<len; i++) {
tv = av_fetch(av, i, 0);
if (CHECK_T(*tv)) {
temp.push_back(TO_T(*tv));
} else {
SWIG_croak("Type error in argument $argnum of "
"$symname. "
"Expected an array of " #T);
}
}
$1 = &temp;
} else if (SWIG_ConvertPtr($input,(void **) &v,
$1_descriptor,1) != -1){
$1 = v;
} else {
SWIG_croak("Type error in argument $argnum of $symname. "
"Expected an array of " #T);
}
}
%typemap(out) vector<T> {
int len = $1.size();
SV **svs = new SV*[len];
for (unsigned int i=0; i<len; i++) {
svs[i] = sv_newmortal();
FROM_T(svs[i], $1.at(i));
}
AV *myav = av_make(len, svs);
delete[] svs;
$result = newRV_noinc((SV*) myav);
sv_2mortal($result);
argvi++;
}
%typecheck(SWIG_TYPECHECK_VECTOR) vector<T> {
/* native sequence? */
if (SvROK($input)) {
AV *av = (AV *)SvRV($input);
if (SvTYPE(av) == SVt_PVAV) {
SV **tv;
I32 len = av_len(av) + 1;
if (len == 0) {
/* an empty sequence can be of any type */
$1 = 1;
} else {
/* check the first element only */
tv = av_fetch(av, 0, 0);
if (CHECK_T(*tv))
$1 = 1;
else
$1 = 0;
}
}
} else {
/* wrapped vector? */
std::vector<T >* v;
if (SWIG_ConvertPtr($input,(void **) &v,
$1_&descriptor,0) != -1)
$1 = 1;
else
$1 = 0;
}
}
%typecheck(SWIG_TYPECHECK_VECTOR) const vector<T>&,
const vector<T>* {
/* native sequence? */
if (SvROK($input)) {
AV *av = (AV *)SvRV($input);
if (SvTYPE(av) == SVt_PVAV) {
SV **tv;
I32 len = av_len(av) + 1;
if (len == 0) {
/* an empty sequence can be of any type */
$1 = 1;
} else {
/* check the first element only */
tv = av_fetch(av, 0, 0);
if (CHECK_T(*tv))
$1 = 1;
else
$1 = 0;
}
}
} else {
/* wrapped vector? */
std::vector<T >* v;
if (SWIG_ConvertPtr($input,(void **) &v,
$1_descriptor,0) != -1)
$1 = 1;
else
$1 = 0;
}
}
// add specialized typemaps here
public:
vector();
@ -283,15 +415,16 @@ namespace std {
};
%enddef
specialize_std_vector(bool);
specialize_std_vector(int);
specialize_std_vector(short);
specialize_std_vector(long);
specialize_std_vector(unsigned int);
specialize_std_vector(unsigned short);
specialize_std_vector(unsigned long);
specialize_std_vector(float);
specialize_std_vector(double);
specialize_std_vector(bool,SvIOK,SvIVX,sv_setiv);
specialize_std_vector(int,SvIOK,SvIVX,sv_setiv);
specialize_std_vector(short,SvIOK,SvIVX,sv_setiv);
specialize_std_vector(long,SvIOK,SvIVX,sv_setiv);
specialize_std_vector(unsigned int,SvIOK,SvIVX,sv_setiv);
specialize_std_vector(unsigned short,SvIOK,SvIVX,sv_setiv);
specialize_std_vector(unsigned long,SvIOK,SvIVX,sv_setiv);
specialize_std_vector(float,SvNIOK,SwigSvToNumber,sv_setnv);
specialize_std_vector(double,SvNIOK,SwigSvToNumber,sv_setnv);
specialize_std_vector(std::string,SvPOK,SvPVX,SwigSvFromString);
}