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|
/******************************************************************************
* $Id$
*
* Project: MapServer
* Purpose: Perl-specific enhancements to MapScript
* Author: SDL based on Sean's Python conventions
*
******************************************************************************
*
* Perl-specific mapscript code has been moved into this
* SWIG interface file to improve the readibility of the main
* interface file. The main mapscript.i file includes this
* file when SWIGPERL is defined (via 'swig -perl5 ...').
*
*****************************************************************************/
/******************************************************************************
* Simple Typemaps
*****************************************************************************/
%init %{
if(msSetup() != MS_SUCCESS) {
msSetError(MS_MISCERR, "Error initializing MapServer/Mapscript.", "msSetup()");
}
%}
/* Translate Perl's built-in file object to FILE * */
%typemap(in) FILE * {
$1 = PerlIO_exportFILE (IoIFP (sv_2io ($input)), NULL);
}
/* To support imageObj::getBytes */
%typemap(out) gdBuffer {
SV *mysv;
mysv = sv_newmortal();
if ($1.data == NULL)
sv_setpv(mysv,"");
else
sv_setpvn(mysv,(const char*)$1.data,$1.size);
$result = newRV(mysv);
sv_2mortal($result);
argvi++;
if( $1.owns_data )
msFree($1.data);
}
%typemap(out) char[ANY] {
$result = newSVpvn($1, strlen($1));
argvi++;
}
/*
===============================================================================
RFC-24 implementation follows
===============================================================================
Modified constructor according to:
- cache population and sync, item 3.2
- reference counter since Perl does not obey %newobject
*/
%allowexception;
%exception layer {
/* Accessing layer */
$action;
MS_REFCNT_INCR(result);
}
%exception map {
/* Accessing map */
$action;
MS_REFCNT_INCR(result);
}
%feature("shadow") layerObj(mapObj *map)
%{
sub new {
my $pkg = shift;
my $self = mapscriptc::new_layerObj(@_);
bless $self, $pkg if defined($self);
if (defined($_[0])) {
# parent reference
mapscript::RFC24_ADD_PARENT_REF( tied(%$self), $_[0]);
}
return $self;
}
%}
%feature("shadow") getLayer(int i)
%{
sub getLayer {
my $layer = mapscriptc::mapObj_getLayer(@_);
if (defined($layer)) {
# parent reference
#print "l=$layer,m=$_[0]\n";
mapscript::RFC24_ADD_PARENT_REF( tied(%$layer) , $_[0]);
}
return $layer;
}
%}
%feature("shadow") getLayerByName(char* name)
%{
sub getLayerByName {
my $layer = mapscriptc::mapObj_getLayerByName(@_);
if (defined($layer)) {
# parent reference
#print "l=$layer,m=$_[0]\n";
mapscript::RFC24_ADD_PARENT_REF( tied(%$layer) , $_[0]);
}
return $layer;
}
%}
%feature("shadow") insertLayer
%{
sub insertLayer {
my $idx = mapscriptc::mapObj_insertLayer(@_);
my $layer=$_[1];
# parent reference
mapscript::RFC24_ADD_PARENT_REF(tied(%$layer), $_[0]);
return $idx;
}
%}
%feature("shadow") ~layerObj()
%{
sub DESTROY {
return unless $_[0]->isa('HASH');
my $self = tied(%{$_[0]});
return unless defined $self;
delete $ITERATORS{$self};
mapscriptc::delete_layerObj($self);
# remove parent reference
mapscript::RFC24_DEL_PARENT_REF($self);
}
%}
%feature("shadow") classObj(layerObj *layer)
%{
sub new {
my $pkg = shift;
my $self = mapscriptc::new_classObj(@_);
bless $self, $pkg if defined($self);
if (defined($_[0])) {
# parent reference
mapscript::RFC24_ADD_PARENT_REF( tied(%$self), $_[0]);
}
return $self;
}
%}
%feature("shadow") getClass(int i)
%{
sub getClass {
my $clazz = mapscriptc::layerObj_getClass(@_);
if (defined($clazz)) {
# parent reference
mapscript::RFC24_ADD_PARENT_REF( tied(%$clazz) , $_[0]);
}
return $clazz;
}
%}
%feature("shadow") insertClass
%{
sub insertClass {
my $idx = mapscriptc::layerObj_insertClass(@_);
my $clazz=$_[1];
# parent reference
mapscript::RFC24_ADD_PARENT_REF(tied(%$clazz), $_[0]);
return $idx;
}
%}
%feature("shadow") ~classObj()
%{
sub DESTROY {
return unless $_[0]->isa('HASH');
my $self = tied(%{$_[0]});
return unless defined $self;
delete $ITERATORS{$self};
mapscriptc::delete_classObj($self);
# remove parent reference
mapscript::RFC24_DEL_PARENT_REF($self);
}
%}
%perlcode %{
%PARENT_PTRS=();
sub RFC24_ADD_PARENT_REF {
my ($child, $parent)=@_;
$PARENT_PTRS{ $$child }=$parent;
}
sub RFC24_DEL_PARENT_REF {
my ($child)=@_;
delete $PARENT_PTRS{ $$child };
}
# USE THIS function only for debugging!
sub getPARENT_PTRS {
return \%PARENT_PTRS;
}
%}
|
