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/*
* wslua_nstime.c
*
* Wireshark's interface to the Lua Programming Language
*
* (c) 2006, Luis E. Garcia Ontanon <luis@ontanon.org>
* (c) 2008, Balint Reczey <balint.reczey@ericsson.com>
* (c) 2011, Stig Bjorlykke <stig@bjorlykke.org>
* (c) 2014, Hadriel Kaplan <hadrielk@yahoo.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "wslua.h"
/* WSLUA_CONTINUE_MODULE Pinfo */
WSLUA_CLASS_DEFINE(NSTime,FAIL_ON_NULL("NSTime"));
/* NSTime represents a nstime_t. This is an object with seconds and nanoseconds. */
WSLUA_CONSTRUCTOR NSTime_new(lua_State *L) {
/* Creates a new NSTime object. */
#define WSLUA_OPTARG_NSTime_new_SECONDS 1 /* Seconds. */
#define WSLUA_OPTARG_NSTime_new_NSECONDS 2 /* Nano seconds. */
NSTime nstime = (NSTime)g_malloc(sizeof(nstime_t));
if (!nstime) return 0;
nstime->secs = (time_t) luaL_optinteger(L,WSLUA_OPTARG_NSTime_new_SECONDS,0);
nstime->nsecs = (int) luaL_optinteger(L,WSLUA_OPTARG_NSTime_new_NSECONDS,0);
pushNSTime(L,nstime);
WSLUA_RETURN(1); /* The new NSTime object. */
}
WSLUA_METAMETHOD NSTime__call(lua_State* L) { /* Creates a NSTime object. */
#define WSLUA_OPTARG_NSTime__call_SECONDS 1 /* Seconds. */
#define WSLUA_OPTARG_NSTime__call_NSECONDS 2 /* Nanoseconds. */
lua_remove(L,1); /* remove the table */
WSLUA_RETURN(NSTime_new(L)); /* The new NSTime object. */
}
WSLUA_METAMETHOD NSTime__tostring(lua_State* L) {
NSTime nstime = checkNSTime(L,1);
gchar *str;
str = wmem_strdup_printf(NULL, "%ld.%09d", (long)nstime->secs, nstime->nsecs);
lua_pushstring(L, str);
wmem_free(NULL, str);
WSLUA_RETURN(1); /* The string representing the nstime. */
}
WSLUA_METAMETHOD NSTime__add(lua_State* L) { /* Calculates the sum of two NSTimes. */
NSTime time1 = checkNSTime(L,1);
NSTime time2 = checkNSTime(L,2);
NSTime time3 = (NSTime)g_malloc (sizeof (nstime_t));
nstime_sum (time3, time1, time2);
pushNSTime (L, time3);
return 1;
}
WSLUA_METAMETHOD NSTime__sub(lua_State* L) { /* Calculates the diff of two NSTimes. */
NSTime time1 = checkNSTime(L,1);
NSTime time2 = checkNSTime(L,2);
NSTime time3 = (NSTime)g_malloc (sizeof (nstime_t));
nstime_delta (time3, time1, time2);
pushNSTime (L, time3);
return 1;
}
WSLUA_METAMETHOD NSTime__unm(lua_State* L) { /* Calculates the negative NSTime. */
NSTime time1 = checkNSTime(L,1);
NSTime time2 = (NSTime)g_malloc (sizeof (nstime_t));
nstime_set_zero (time2);
nstime_subtract (time2, time1);
pushNSTime (L, time2);
return 1;
}
WSLUA_METAMETHOD NSTime__eq(lua_State* L) { /* Compares two NSTimes. */
NSTime time1 = checkNSTime(L,1);
NSTime time2 = checkNSTime(L,2);
gboolean result = FALSE;
if (nstime_cmp(time1, time2) == 0)
result = TRUE;
lua_pushboolean(L,result);
return 1;
}
WSLUA_METAMETHOD NSTime__le(lua_State* L) { /* Compares two NSTimes. */
NSTime time1 = checkNSTime(L,1);
NSTime time2 = checkNSTime(L,2);
gboolean result = FALSE;
if (nstime_cmp(time1, time2) <= 0)
result = TRUE;
lua_pushboolean(L,result);
return 1;
}
WSLUA_METAMETHOD NSTime__lt(lua_State* L) { /* Compares two NSTimes. */
NSTime time1 = checkNSTime(L,1);
NSTime time2 = checkNSTime(L,2);
gboolean result = FALSE;
if (nstime_cmp(time1, time2) < 0)
result = TRUE;
lua_pushboolean(L,result);
return 1;
}
/* WSLUA_ATTRIBUTE NSTime_secs RW The NSTime seconds. */
WSLUA_ATTRIBUTE_NUMBER_GETTER(NSTime,secs);
WSLUA_ATTRIBUTE_NUMBER_SETTER(NSTime,secs,time_t);
/* WSLUA_ATTRIBUTE NSTime_nsecs RW The NSTime nano seconds. */
WSLUA_ATTRIBUTE_NUMBER_GETTER(NSTime,nsecs);
WSLUA_ATTRIBUTE_NUMBER_SETTER(NSTime,nsecs,int);
/* Gets registered as metamethod automatically by WSLUA_REGISTER_CLASS/META */
static int NSTime__gc(lua_State* L) {
NSTime nstime = toNSTime(L,1);
if (!nstime) return 0;
g_free (nstime);
return 0;
}
/* This table is ultimately registered as a sub-table of the class' metatable,
* and if __index/__newindex is invoked then it calls the appropriate function
* from this table for getting/setting the members.
*/
WSLUA_ATTRIBUTES NSTime_attributes[] = {
WSLUA_ATTRIBUTE_RWREG(NSTime,secs),
WSLUA_ATTRIBUTE_RWREG(NSTime,nsecs),
{ NULL, NULL, NULL }
};
WSLUA_METHODS NSTime_methods[] = {
WSLUA_CLASS_FNREG(NSTime,new),
{ NULL, NULL }
};
WSLUA_META NSTime_meta[] = {
WSLUA_CLASS_MTREG(NSTime,tostring),
WSLUA_CLASS_MTREG(NSTime,add),
WSLUA_CLASS_MTREG(NSTime,sub),
WSLUA_CLASS_MTREG(NSTime,unm),
WSLUA_CLASS_MTREG(NSTime,eq),
WSLUA_CLASS_MTREG(NSTime,le),
WSLUA_CLASS_MTREG(NSTime,lt),
WSLUA_CLASS_MTREG(NSTime,call),
{ NULL, NULL }
};
int NSTime_register(lua_State* L) {
WSLUA_REGISTER_CLASS(NSTime);
WSLUA_REGISTER_ATTRIBUTES(NSTime);
return 0;
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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