gambas-source-code/main/gbx/gbx_c_application.c
Benoît Minisini 1ff708f0b0 [INTERPRETER]
* BUG: Fix commnad-line arguments parsing.
* NEW: System.Family is a new property that returns the operating system 
  family (Linux, FreeBSD...) as a string.
* NEW: System.Architecture is a new property that returns the current CPU
  architecture as as string: x86, x86_64 or ARM.


git-svn-id: svn://localhost/gambas/trunk@2660 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2010-02-03 15:48:37 +00:00

464 lines
8.8 KiB
C

/***************************************************************************
gbx_c_application.c
(c) 2000-2009 Benoît Minisini <gambas@users.sourceforge.net>
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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
***************************************************************************/
#define __GBX_C_APPLICATION_C
#include "gambas.h"
#include "gbx_info.h"
#ifndef GBX_INFO
#include "config.h"
#include <signal.h>
#include <sys/wait.h>
#include <pwd.h>
#include <sys/types.h>
#include <unistd.h>
#include "gb_common.h"
#include "gb_error.h"
#include "gbx_api.h"
#include "gbx_class.h"
#include "gbx_project.h"
#include "gbx_local.h"
#include "gbx_event.h"
#include "gbx_string.h"
#include "gbx_exec.h"
#include "gbx_object.h"
#include "gbx_c_application.h"
static GB_FUNCTION signal_func;
static bool has_signal_func;
static bool _daemon = FALSE;
extern char **environ;
static void got_signal_after(intptr_t param)
{
GB_Call(&signal_func, 0, FALSE);
}
void CAPP_got_signal(void)
{
if (!has_signal_func)
return;
EVENT_post(got_signal_after, 0);
}
void CAPP_init()
{
CLASS *class = PROJECT_class; //CLASS_find(PROJECT_startup);
has_signal_func = GB_GetFunction(&signal_func, class, "Application_Signal", "", "") == 0;
/*printf("has_signal_func = %d\n", has_signal_func);*/
}
BEGIN_PROPERTY(CAPPLICATION_path)
GB_ReturnString(PROJECT_path);
END_PROPERTY
BEGIN_PROPERTY(CUSER_home)
GB_ReturnString(PROJECT_get_home());
END_PROPERTY
BEGIN_PROPERTY(CUSER_name)
struct passwd *info = getpwuid(getuid());
if (info)
GB_ReturnNewString(info->pw_name, 0);
else
GB_Error((char *)E_MEMORY);
END_PROPERTY
BEGIN_PROPERTY(CUSER_id)
GB_ReturnInteger(getuid());
END_PROPERTY
BEGIN_PROPERTY(CUSER_group)
GB_ReturnInteger(getgid());
END_PROPERTY
BEGIN_PROPERTY(CAPPLICATION_name)
GB_ReturnConstZeroString(PROJECT_name);
END_PROPERTY
BEGIN_PROPERTY(CAPPLICATION_title)
GB_ReturnConstZeroString(LOCAL_gettext(PROJECT_title));
END_PROPERTY
BEGIN_PROPERTY(System_Language)
if (READ_PROPERTY)
GB_ReturnNewZeroString(LOCAL_get_lang());
else
LOCAL_set_lang(GB_ToZeroString(PROP(GB_STRING)));
END_PROPERTY
BEGIN_PROPERTY(System_Charset)
GB_ReturnString(LOCAL_encoding);
END_PROPERTY
BEGIN_PROPERTY(System_Rtl)
GB_ReturnBoolean(LOCAL_local.rtl);
END_PROPERTY
BEGIN_PROPERTY(CAPPLICATION_id)
GB_ReturnInt(getpid());
END_PROPERTY
BEGIN_PROPERTY(CAPPLICATION_dir)
GB_ReturnString(PROJECT_oldcwd);
END_PROPERTY
BEGIN_PROPERTY(CAPPLICATION_version)
GB_ReturnConstZeroString(PROJECT_version);
END_PROPERTY
BEGIN_PROPERTY(CAPPLICATION_args)
static OBJECT args;
args.class = CLASS_AppArgs;
GB_ReturnObject(&args);
END_PROPERTY
BEGIN_PROPERTY(CAPPLICATION_args_count)
GB_ReturnInt(PROJECT_argc);
END_PROPERTY
BEGIN_METHOD(CAPPLICATION_args_get, GB_INTEGER index)
int index = VARG(index);
if (index < 0)
{
GB_Error((char *)E_ARG);
return;
}
if (index >= PROJECT_argc)
GB_ReturnNull();
else
GB_ReturnConstZeroString(PROJECT_argv[index]);
END_METHOD
BEGIN_METHOD_VOID(CAPPLICATION_args_next)
int *index = (int*)GB_GetEnum();
if (*index >= PROJECT_argc)
GB_StopEnum();
else
{
GB_ReturnConstZeroString(PROJECT_argv[*index]);
(*index)++;
}
END_METHOD
BEGIN_PROPERTY(CAPPLICATION_env_count)
int n = 0;
while(environ[n])
n++;
GB_ReturnInt(n);
END_PROPERTY
BEGIN_METHOD(CAPPLICATION_env_get, GB_STRING key)
GB_ReturnConstZeroString(getenv(GB_ToZeroString(ARG(key))));
END_METHOD
BEGIN_METHOD(CAPPLICATION_env_put, GB_STRING value; GB_STRING key)
setenv(GB_ToZeroString(ARG(key)), GB_ToZeroString(ARG(value)), 1);
END_METHOD
BEGIN_METHOD_VOID(CAPPLICATION_env_next)
int *index = (int*)GB_GetEnum();
char *pos;
char *key;
if (environ[*index] == NULL)
GB_StopEnum();
else
{
key = environ[*index];
pos = strchr(key, '=');
if (!pos)
GB_ReturnNull();
else
GB_ReturnConstString(key, pos - key);
(*index)++;
}
END_METHOD
BEGIN_PROPERTY(CAPPLICATION_return)
if (READ_PROPERTY)
GB_ReturnInteger(EXEC_return_value);
else
EXEC_return_value = VPROP(GB_INTEGER) & 0xFF;
END_PROPERTY
static void init_again(int old_pid)
{
char old[PATH_MAX];
FILE_remove_temp_file();
snprintf(old, sizeof(old),FILE_TEMP_DIR, getuid(), old_pid);
rename(old, FILE_make_temp(NULL, NULL));
}
BEGIN_PROPERTY(CAPPLICATION_daemon)
int old_pid;
if (READ_PROPERTY)
GB_ReturnBoolean(_daemon);
else
{
if (!_daemon && VPROP(GB_BOOLEAN))
{
old_pid = getpid();
if (daemon(FALSE, FALSE))
THROW_SYSTEM(errno, NULL);
// Argh! daemon() changes the current process id...
_daemon = TRUE;
init_again(old_pid);
}
}
END_PROPERTY
BEGIN_PROPERTY(System_Path)
GB_ReturnString(PROJECT_exec_path);
END_PROPERTY
BEGIN_PROPERTY(System_Version)
//ERROR_deprecated("System.Version");
GB_ReturnInteger(GAMBAS_VERSION);
END_PROPERTY
BEGIN_PROPERTY(System_Host)
char buffer[256];
gethostname(buffer, 255);
GB_ReturnNewZeroString(buffer);
END_PROPERTY
BEGIN_PROPERTY(System_Domain)
char buffer[256];
getdomainname(buffer, 255);
GB_ReturnNewZeroString(buffer);
END_PROPERTY
BEGIN_PROPERTY(System_ByteOrder)
GB_ReturnInteger(EXEC_big_endian);
END_PROPERTY
BEGIN_PROPERTY(System_Backtrace)
DEBUG_BACKTRACE *bt = DEBUG_backtrace();
GB_ReturnObject(DEBUG_get_string_array_from_backtrace(bt));
DEBUG_free_backtrace(&bt);
END_PROPERTY
BEGIN_PROPERTY(System_Error)
GB_ReturnInteger(errno);
END_PROPERTY
BEGIN_PROPERTY(System_Family)
GB_ReturnConstZeroString(SYSTEM);
END_PROPERTY
BEGIN_PROPERTY(System_Architecture)
GB_ReturnConstZeroString(ARCHITECTURE);
END_PROPERTY
#endif
GB_DESC NATIVE_AppArgs[] =
{
GB_DECLARE(".ApplicationArgs", 0), GB_VIRTUAL_CLASS(),
GB_STATIC_PROPERTY_READ("Count", "i", CAPPLICATION_args_count),
GB_STATIC_METHOD("_get", "s", CAPPLICATION_args_get, "(Index)i"),
GB_STATIC_METHOD("_next", "s", CAPPLICATION_args_next, NULL),
GB_END_DECLARE
};
GB_DESC NATIVE_AppEnv[] =
{
GB_DECLARE(".ApplicationEnv", 0), GB_VIRTUAL_CLASS(),
GB_STATIC_PROPERTY_READ("Count", "i", CAPPLICATION_env_count),
GB_STATIC_METHOD("_get", "s", CAPPLICATION_env_get, "(Key)s"),
GB_STATIC_METHOD("_put", NULL, CAPPLICATION_env_put, "(Value)s(Key)s"),
GB_STATIC_METHOD("_next", "s", CAPPLICATION_env_next, NULL),
GB_END_DECLARE
};
GB_DESC NATIVE_App[] =
{
GB_DECLARE("Application", 0), GB_VIRTUAL_CLASS(),
GB_STATIC_PROPERTY_SELF("Args", ".ApplicationArgs"),
GB_STATIC_PROPERTY_SELF("Env", ".ApplicationEnv"),
GB_STATIC_PROPERTY_READ("Path", "s", CAPPLICATION_path),
GB_STATIC_PROPERTY_READ("Name", "s", CAPPLICATION_name),
GB_STATIC_PROPERTY_READ("Title", "s", CAPPLICATION_title),
GB_STATIC_PROPERTY_READ("Id", "i", CAPPLICATION_id),
GB_STATIC_PROPERTY_READ("Handle", "i", CAPPLICATION_id),
GB_STATIC_PROPERTY_READ("Version", "s", CAPPLICATION_version),
GB_STATIC_PROPERTY_READ("Dir", "i", CAPPLICATION_dir),
GB_STATIC_PROPERTY("Return", "i", CAPPLICATION_return),
GB_STATIC_PROPERTY("Daemon", "b", CAPPLICATION_daemon),
GB_END_DECLARE
};
GB_DESC NATIVE_System[] =
{
GB_DECLARE("System", 0), GB_VIRTUAL_CLASS(),
GB_STATIC_PROPERTY("Language", "s", System_Language),
GB_STATIC_PROPERTY_READ("RightToLeft", "b", System_Rtl),
GB_STATIC_PROPERTY_READ("Charset", "s", System_Charset),
GB_STATIC_PROPERTY_READ("Path", "s", System_Path),
GB_STATIC_PROPERTY_READ("Version", "s", System_Version),
GB_STATIC_PROPERTY_READ("Host", "s", System_Host),
GB_STATIC_PROPERTY_READ("Domain", "s", System_Domain),
GB_STATIC_PROPERTY_SELF("User", "User"),
GB_STATIC_PROPERTY_READ("ByteOrder", "i", System_ByteOrder),
GB_STATIC_PROPERTY_READ("Backtrace", "String[]", System_Backtrace),
GB_STATIC_PROPERTY_READ("Error", "i", System_Error),
GB_STATIC_PROPERTY_READ("Family", "s", System_Family),
GB_STATIC_PROPERTY_READ("Architecture", "s", System_Architecture),
GB_END_DECLARE
};
GB_DESC NATIVE_User[] =
{
GB_DECLARE("User", 0), GB_VIRTUAL_CLASS(),
GB_STATIC_PROPERTY_READ("Name", "s", CUSER_name),
GB_STATIC_PROPERTY_READ("Id", "i", CUSER_id),
GB_STATIC_PROPERTY_READ("Group", "i", CUSER_group),
GB_STATIC_PROPERTY_READ("Home", "s", CUSER_home),
GB_END_DECLARE
};