13
0
livetrax/libs/glibmm2/glib/glibmm/optiongroup.cc
Paul Davis 449aab3c46 rollback to 3428, before the mysterious removal of libs/* at 3431/3432
git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf
2008-06-02 21:41:35 +00:00

544 lines
15 KiB
C++

// Generated by gtkmmproc -- DO NOT MODIFY!
#include <glibmm/optiongroup.h>
#include <glibmm/private/optiongroup_p.h>
// -*- c++ -*-
/* $Id: optiongroup.ccg,v 1.15.4.3 2006/03/30 12:19:58 murrayc Exp $ */
/* Copyright (C) 2002 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <glibmm/optionentry.h>
#include <glibmm/optioncontext.h>
#include <glibmm/utility.h>
//#include <glibmm/containers.h>
#include <glib/gmem.h> // g_malloc
#include <glib/goption.h>
namespace Glib
{
namespace //anonymous
{
extern "C"
{
static gboolean g_callback_pre_parse(GOptionContext* context, GOptionGroup* /* group */, gpointer data, GError** /* TODO error */)
{
OptionContext cppContext(context, false /* take_ownership */);
//OptionGroup cppGroup(group, true /* take_copy */); //Maybe this should be option_group.
OptionGroup* option_group = static_cast<OptionGroup*>(data);
if(option_group)
return option_group->on_pre_parse(cppContext, *option_group);
else
return false;
}
static gboolean g_callback_post_parse(GOptionContext* context, GOptionGroup* /* group */, gpointer data, GError** /* TODO error */)
{
OptionContext cppContext(context, false /* take_ownership */);
//OptionGroup cppGroup(group, true /* take_copy */); //Maybe this should be option_group.
OptionGroup* option_group = static_cast<OptionGroup*>(data);
if(option_group)
{
return option_group->on_post_parse(cppContext, *option_group);
}
else
return false;
}
static void g_callback_error(GOptionContext* context, GOptionGroup* /* group */, gpointer data, GError** /* TODO error*/)
{
OptionContext cppContext(context, false /* take_ownership */);
//OptionGroup cppGroup(group); //Maybe this should be option_group.
OptionGroup* option_group = static_cast<OptionGroup*>(data);
if(option_group)
return option_group->on_error(cppContext, *option_group);
}
} /* extern "C" */
} //anonymous namespace
OptionGroup::OptionGroup(const Glib::ustring& name, const Glib::ustring& description, const Glib::ustring& help_description)
: gobject_( g_option_group_new(name.c_str(), description.c_str(), help_description.c_str(), this, 0 /* destroy_func */) ),
has_ownership_(true)
{
//Connect callbacks, so that derived classes can override the virtual methods:
g_option_group_set_parse_hooks(gobj(), &g_callback_pre_parse, &g_callback_post_parse);
g_option_group_set_error_hook(gobj(), &g_callback_error);
}
OptionGroup::OptionGroup(GOptionGroup* castitem)
: gobject_(castitem),
has_ownership_(true)
{
//Always takes ownership - never takes copy.
}
OptionGroup::~OptionGroup()
{
//Free any C types that were allocated during add_entry():
for(type_map_entries::iterator iter = map_entries_.begin(); iter != map_entries_.end(); ++iter)
{
CppOptionEntry& cpp_entry = iter->second;
cpp_entry.release_c_arg();
}
if(has_ownership_)
{
g_option_group_free(gobj());
gobject_ = 0;
}
}
void OptionGroup::add_entry(const OptionEntry& entry)
{
//It does not copy the entry, so it needs to live as long as the group.
//g_option_group_add_entries takes an array, with the last item in the array having a null long_name.
//Hopefully this will be properly documented eventually - see bug #
//Create a temporary array, just so we can give the correct thing to g_option_group_add_entries:
GOptionEntry array[2];
array[0] = *(entry.gobj()); //Copy contents.
GLIBMM_INITIALIZE_STRUCT(array[1], GOptionEntry);
g_option_group_add_entries(gobj(), array);
}
void OptionGroup::add_entry(const OptionEntry& entry, bool& arg)
{
add_entry_with_wrapper(entry, G_OPTION_ARG_NONE /* Actually a boolean on/off, depending on whether the argument name was given, without argument parameters. */, &arg);
}
void OptionGroup::add_entry(const OptionEntry& entry, int& arg)
{
add_entry_with_wrapper(entry, G_OPTION_ARG_INT, &arg);
}
void OptionGroup::add_entry(const OptionEntry& entry, Glib::ustring& arg)
{
add_entry_with_wrapper(entry, G_OPTION_ARG_STRING, &arg);
}
void OptionGroup::add_entry(const OptionEntry& entry, vecustrings& arg)
{
add_entry_with_wrapper(entry, G_OPTION_ARG_STRING_ARRAY, &arg);
}
void OptionGroup::add_entry_filename(const OptionEntry& entry, std::string& arg)
{
add_entry_with_wrapper(entry, G_OPTION_ARG_FILENAME, &arg);
}
void OptionGroup::add_entry_filename(const OptionEntry& entry, vecstrings& arg)
{
add_entry_with_wrapper(entry, G_OPTION_ARG_FILENAME_ARRAY, &arg);
}
void OptionGroup::add_entry_with_wrapper(const OptionEntry& entry, GOptionArg arg_type, void* cpp_arg)
{
const Glib::ustring name = entry.get_long_name();
type_map_entries::iterator iterFind = map_entries_.find(name);
if( iterFind == map_entries_.end() ) //If we have not added this entry already
{
CppOptionEntry cppEntry;
cppEntry.carg_type_ = arg_type;
cppEntry.allocate_c_arg();
cppEntry.set_c_arg_default(cpp_arg);
cppEntry.cpparg_ = cpp_arg;
//Give the information to the C API:
cppEntry.entry_ = new OptionEntry(entry); //g_option_group_add_entry() does not take its own copy, so we must keep the instance alive. */
//cppEntry.entry_ is deleted in release_c_arg(), via the destructor.
cppEntry.entry_->gobj()->arg = arg_type;
cppEntry.entry_->gobj()->arg_data = cppEntry.carg_;
//Remember the C++/C mapping so that we can use it later:
map_entries_[name] = cppEntry;
add_entry(*(cppEntry.entry_));
}
}
bool OptionGroup::on_pre_parse(OptionContext& /* context */, OptionGroup& /* group */)
{
return true;
}
bool OptionGroup::on_post_parse(OptionContext& /* context */, OptionGroup& /* group */)
{
//Call this at the start of overrides.
//TODO: Maybe put this in the C callback:
//The C args have now been given values by GOption.
//Convert C values to C++ values:
for(type_map_entries::iterator iter = map_entries_.begin(); iter != map_entries_.end(); ++iter)
{
CppOptionEntry& cpp_entry = iter->second;
cpp_entry.convert_c_to_cpp();
}
return true;
}
void OptionGroup::on_error(OptionContext& /* context */, OptionGroup& /* group */)
{
}
OptionGroup::CppOptionEntry::CppOptionEntry()
: carg_type_(G_OPTION_ARG_NONE), carg_(0), cpparg_(0), entry_(0)
{}
void OptionGroup::CppOptionEntry::allocate_c_arg()
{
//Create an instance of the appropriate C type.
//This will be destroyed in the OptionGroup destructor.
//
//We must also call set_c_arg_default() to give these C types the specified defaults based on the C++-typed arguments.
switch(carg_type_)
{
case G_OPTION_ARG_STRING: //The char* will be for UTF8 strins.
case G_OPTION_ARG_FILENAME: //The char* will be for strings in the current locale's encoding.
{
char** typed_arg = new char*;
//The C code will allocate a char* and put it here, for us to g_free() later.
//Alternatively, set_c_arg_default() might allocate a char*, and the C code might or might not free and replace that.
*typed_arg = 0;
carg_ = typed_arg;
break;
}
case G_OPTION_ARG_INT:
{
int* typed_arg = new int;
*typed_arg = 0;
carg_ = typed_arg;
break;
}
case G_OPTION_ARG_STRING_ARRAY:
case G_OPTION_ARG_FILENAME_ARRAY:
{
char*** typed_arg = new char**;
*typed_arg = 0;
carg_ = typed_arg;
break;
}
case G_OPTION_ARG_NONE: /* Actually a boolean. */
{
gboolean* typed_arg = new gboolean;
*typed_arg = 0;
carg_ = typed_arg;
break;
}
default:
{
break;
}
}
}
void OptionGroup::CppOptionEntry::set_c_arg_default(void* cpp_arg)
{
switch(carg_type_)
{
case G_OPTION_ARG_INT:
{
*static_cast<int*>(carg_) = *static_cast<int*>(cpp_arg);
break;
}
case G_OPTION_ARG_NONE:
{
*static_cast<gboolean*>(carg_) = *static_cast<bool*>(cpp_arg);
break;
}
case G_OPTION_ARG_STRING:
{
Glib::ustring* typed_cpp_arg = static_cast<Glib::ustring*>(cpp_arg);
if(typed_cpp_arg && !typed_cpp_arg->empty())
{
const char** typed_c_arg = static_cast<const char**>(carg_);
*typed_c_arg = g_strdup(typed_cpp_arg->c_str()); //Freed in release_c_arg().
}
break;
}
case G_OPTION_ARG_FILENAME:
{
std::string* typed_cpp_arg = static_cast<std::string*>(cpp_arg);
if(typed_cpp_arg && !typed_cpp_arg->empty())
{
const char** typed_c_arg = static_cast<const char**>(carg_);
*typed_c_arg = g_strdup(typed_cpp_arg->c_str()); //Freed in release_c_arg().
}
break;
}
case G_OPTION_ARG_STRING_ARRAY:
{
std::vector<Glib::ustring>* typed_cpp_arg = static_cast<std::vector<Glib::ustring>*>(cpp_arg);
if(typed_cpp_arg)
{
std::vector<Glib::ustring>& vec = *typed_cpp_arg;
const char** array = static_cast<const char**>( g_malloc(sizeof(gchar*) * (vec.size() + 1)) );
for(std::vector<Glib::ustring>::size_type i = 0; i < vec.size(); ++i)
{
array[i] = g_strdup( vec[i].c_str() );
}
array[vec.size()] = 0;
const char*** typed_c_arg = static_cast<const char***>(carg_);
*typed_c_arg = array;
}
break;
}
case G_OPTION_ARG_FILENAME_ARRAY:
{
std::vector<std::string>* typed_cpp_arg = static_cast<std::vector<std::string>*>(cpp_arg);
if(typed_cpp_arg)
{
std::vector<std::string>& vec = *typed_cpp_arg;
const char** array = static_cast<const char**>( g_malloc(sizeof(gchar*) * (vec.size() + 1)) );
for(std::vector<Glib::ustring>::size_type i = 0; i < vec.size(); ++i)
{
array[i] = g_strdup( vec[i].c_str() );
}
array[vec.size()] = 0;
const char*** typed_c_arg = static_cast<const char***>(carg_);
*typed_c_arg = array;
}
break;
}
default:
{
break;
}
}
}
void OptionGroup::CppOptionEntry::release_c_arg()
{
//Delete the instances that we created in allocate_c_arg().
//Notice that we delete the type that we created, but not the value to which it points.
if(carg_)
{
switch(carg_type_)
{
case G_OPTION_ARG_STRING:
case G_OPTION_ARG_FILENAME:
{
char** typed_arg = static_cast<char**>(carg_);
g_free(*typed_arg); //Free the char* string at type_arg, which was allocated by the C code.
delete typed_arg; //Delete the char** that we allocated in allocate_c_arg;
break;
}
case G_OPTION_ARG_INT:
{
int* typed_arg = static_cast<int*>(carg_);
delete typed_arg;
break;
}
case G_OPTION_ARG_STRING_ARRAY:
case G_OPTION_ARG_FILENAME_ARRAY:
{
delete (char**)carg_;
break;
}
case G_OPTION_ARG_NONE: /* Actually a boolean. */
{
gboolean* typed_arg = static_cast<gboolean*>(carg_);
delete typed_arg;
break;
}
default:
{
/* TODO:
G_OPTION_ARG_CALLBACK,
*/
break;
}
}
carg_ = 0;
}
if(entry_)
delete entry_;
}
void OptionGroup::CppOptionEntry::convert_c_to_cpp()
{
switch(carg_type_)
{
case G_OPTION_ARG_STRING:
{
char** typed_arg = static_cast<char**>(carg_);
Glib::ustring* typed_cpp_arg = static_cast<Glib::ustring*>(cpparg_);
if(typed_arg && typed_cpp_arg)
{
char* pch = *typed_arg;
(*typed_cpp_arg) = Glib::convert_const_gchar_ptr_to_ustring(pch);
break;
}
}
case G_OPTION_ARG_FILENAME:
{
char** typed_arg = static_cast<char**>(carg_);
std::string* typed_cpp_arg = static_cast<std::string*>(cpparg_);
if(typed_arg && typed_cpp_arg)
{
char* pch = *typed_arg;
(*typed_cpp_arg) = Glib::convert_const_gchar_ptr_to_stdstring(pch);
break;
}
}
case G_OPTION_ARG_INT:
{
*((int*)cpparg_) = *(static_cast<int*>(carg_));
break;
}
case G_OPTION_ARG_STRING_ARRAY:
{
char*** typed_arg = static_cast<char***>(carg_);
vecustrings* typed_cpp_arg = static_cast<vecustrings*>(cpparg_);
if(typed_arg && typed_cpp_arg)
{
typed_cpp_arg->clear();
//The C array seems to be null-terminated.
//Glib::StringArrayHandle array_handle(*typed_arg, Glib::OWNERSHIP_NONE);
//The SUN Forte compiler complains about this:
// "optiongroup.cc", line 354: Error: Cannot assign Glib::ArrayHandle<Glib::ustring,
// Glib::Container_Helpers::TypeTraits<Glib::ustring>> to std::vector<Glib::ustring> without
// "std::vector<Glib::ustring>::operator=(const std::vector<Glib::ustring>&)";.
//
//(*typed_cpp_arg) = array_handle;
//
//And the Tru64 compiler does not even like us to instantiate the StringArrayHandle:
//
// cxx: Error: ../../glib/glibmm/containerhandle_shared.h, line 149: the operand
// of a pointer dynamic_cast must be a pointer to a complete class type
// return dynamic_cast<CppType>(Glib::wrap_auto(cobj, false /* take_copy */));
//for(Glib::StringArrayHandle::iterator iter = array_handle.begin(); iter != array_handle.end(); ++iter)
//{
// typed_cpp_arg->push_back(*iter);
//}
//So we do this:
char** char_array_next = *typed_arg;
while(char_array_next && *char_array_next)
{
typed_cpp_arg->push_back(*char_array_next);
++char_array_next;
}
}
break;
}
case G_OPTION_ARG_FILENAME_ARRAY:
{
char*** typed_arg = static_cast<char***>(carg_);
vecustrings* typed_cpp_arg = static_cast<vecustrings*>(cpparg_);
if(typed_arg && typed_cpp_arg)
{
typed_cpp_arg->clear();
//See comments above about the SUN Forte and Tru64 compilers.
char** char_array_next = *typed_arg;
while(char_array_next && *char_array_next)
{
typed_cpp_arg->push_back(*char_array_next);
++char_array_next;
}
}
break;
}
case G_OPTION_ARG_NONE: /* Actually a boolean. */
{
*(static_cast<bool*>(cpparg_)) = *(static_cast<gboolean*>(carg_));
break;
}
default:
{
/* TODO:
G_OPTION_ARG_CALLBACK,
*/
break;
}
}
}
GOptionGroup* OptionGroup::gobj_give_ownership()
{
has_ownership_ = false;
return gobj();
}
} // namespace Glib
namespace
{
} // anonymous namespace
namespace Glib
{
void OptionGroup::set_translation_domain(const Glib::ustring& domain)
{
g_option_group_set_translation_domain(gobj(), domain.c_str());
}
} // namespace Glib