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# -*- mode: perl; perl-indent-level: 2; indent-tabs-mode: nil -*-
# gmmproc - Common::Output::OpaqueCopyable module
#
# Copyright 2012 glibmm development team
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
#
package Common::Output::OpaqueCopyable;
use strict;
use warnings;
sub nl
{
return Common::Output::Shared::nl @_;
}
sub _output_h_in_class ($$$)
{
my ($wrap_parser, $c_type, $cxx_type) = @_;
my $section_manager = $wrap_parser->get_section_manager;
my $code_string = nl ('public:') .
nl (Common::Output::Shared::doxy_skip_begin) .
nl (' typedef ' . $cxx_type . ' CppObjectType;') .
nl (' typedef ' . $c_type . ' BaseObjectType;') .
nl (Common::Output::Shared::doxy_skip_end) .
nl ();
my $main_section = $wrap_parser->get_main_section;
$section_manager->push_section ($main_section);
$section_manager->append_string ($code_string);
my $conditional = Common::Output::Shared::default_ctor_proto $wrap_parser, $cxx_type;
$section_manager->append_conditional ($conditional);
my $copy_proto = 'const';
my $reinterpret = 0;
my $definitions = 1;
my $virtual_dtor = 0;
$code_string = nl (' // Use make_a_copy = true when getting it directly from a struct.') .
nl (' explicit ' . $cxx_type . '(' . $c_type . '* castitem, bool make_a_copy = false);') .
nl () .
nl (Common::Output::Shared::copy_protos_str $cxx_type) .
nl () .
nl (Common::Output::Shared::dtor_proto_str $cxx_type, $virtual_dtor) .
nl () .
nl (Common::Output::Shared::gobj_protos_str $c_type, $copy_proto, $reinterpret, $definitions) .
nl () .
nl ('protected:') .
nl (' ' . $c_type . '* gobject_;') .
nl () .
nl ('private:');
$section_manager->append_string ($code_string);
$section_manager->pop_entry;
}
sub _output_h_after_first_namespace ($$)
{
my ($wrap_parser, $c_type) = @_;
my $section_manager = $wrap_parser->get_section_manager;
my $result_type = 'plain';
my $take_copy_by_default = 'no';
my $open_glib_namespace = 1;
my $const_function = 0;
my $conditional = Common::Output::Shared::wrap_proto $wrap_parser, $c_type, $result_type, $take_copy_by_default, $open_glib_namespace, $const_function;
my $section = Common::Output::Shared::get_section $wrap_parser, Common::Sections::H_AFTER_FIRST_NAMESPACE;
$section_manager->append_conditional_to_section ($conditional, $section);
}
sub _output_cc ($$$$$$)
{
my ($wrap_parser, $c_type, $cxx_type, $new_func, $copy_func, $free_func) = @_;
my $section_manager = $wrap_parser->get_section_manager;
my $custom_default_ctor_var = Common::Output::Shared::get_variable $wrap_parser, Common::Variables::CUSTOM_DEFAULT_CTOR;
my $conditional = Common::Output::Shared::generate_conditional $wrap_parser;
my $full_cxx_type = Common::Output::Shared::get_full_cxx_type $wrap_parser;
my $code_string = nl ($full_cxx_type . '::' . $cxx_type . '()') .
nl (':');
my $section = Common::Output::Shared::get_section $wrap_parser, Common::Sections::CC_GENERATED;
if (defined $new_func and $new_func ne '' and $new_func ne 'NONE')
{
$code_string .= nl (' gobject_(' . $new_func . '())');
}
else
{
$code_string .= nl (' gobject_(0) // Allows creation of invalid wrapper, e.g. for output arguments to methods.');
}
$code_string .= nl ();
$section_manager->append_string_to_conditional ($code_string, $conditional, 0);
$section_manager->push_section ($section);
$section_manager->append_conditional ($conditional);
$section_manager->set_variable_for_conditional ($custom_default_ctor_var, $conditional);
# TODO: we probably have to assume that copy func must be provided.
$code_string = nl ($full_cxx_type . '::' . $cxx_type . '(const ' . $cxx_type . '& src)') .
nl (':') .
nl (' gobject_((src.gobject_) ? ' . $copy_func . '(src.gobject_) : 0)') .
nl ('{}') .
nl () .
nl ($full_cxx_type . '::' . $cxx_type . '(' . $c_type . '* castitem, bool make_a_copy /* = false */)') .
nl ('{') .
nl (' if (!make_a_copy)') .
nl (' {') .
nl (' // It was given to use by a function which has already made a copy for us to keep.') .
nl (' gobject_ = castitem;') .
nl (' }') .
nl (' else') .
nl (' {') .
nl (' // We are probably getting it via direct access to a struct,') .
nl (' // so we can not just take ut - we have to take a copy if it.') .
nl (' if (castitem)') .
nl (' {') .
nl (' gobject_ = ' . $copy_func . '(castitem);') .
nl (' }') .
nl (' else') .
nl (' {') .
nl (' gobject_ = 0;') .
nl (' }') .
nl (' }') .
nl ('}') .
nl ();
if (defined $copy_func and $copy_func ne '' and $copy_func ne 'NONE')
{
$code_string .= nl ($full_cxx_type . '& ' . $full_cxx_type . '::operator=(const ' . $full_cxx_type . '& src)') .
nl ('{') .
nl (' ' . $c_type . '* const new_gobject = (src.gobject_) ? ' . $copy_func . '(src.gobject_) : 0;') .
nl () .
nl (' if (gobject_)') .
nl (' {') .
nl (' ' . $free_func . '(gobject_);') .
nl (' }') .
nl () .
nl (' gobject_ = new_gobject;') .
nl () .
nl (' return *this') .
nl ('}') .
nl ();
}
$code_string .= nl ($full_cxx_type . '::~' . $cxx_type . '()') .
nl ('{') .
nl (' if (gobject_)') .
nl (' {') .
nl (' ' . $free_func . '(gobject_);') .
nl (' }') .
nl ('}') .
nl () .
nl ($c_type . '* ' . $full_cxx_type . '::gobj_copy() const') .
nl ('{') .
nl (' return ' . $copy_func . '(gobject_);') .
nl ('}') .
nl ();
$section_manager->append_string ($code_string);
my $cc_namespace_section = Common::Output::Shared::get_section $wrap_parser, Common::Sections::CC_NAMESPACE;
$section_manager->append_section ($cc_namespace_section);
$code_string = nl () .
Common::Output::Shared::close_namespaces $wrap_parser;
$section_manager->append_string ($code_string);
$section_manager->pop_entry;
}
sub output ($$$$$$)
{
my ($wrap_parser, $c_type, $cxx_type, $new_func, $copy_func, $free_func) = @_;
_output_h_in_class $wrap_parser, $c_type, $cxx_type;
_output_h_after_first_namespace $wrap_parser, $c_type;
_output_cc $wrap_parser, $c_type, $cxx_type, $new_func, $copy_func, $free_func;
}
1; # indicate proper module load.
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