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/*
* elua_util.c
*
* (c) 2006, Luis E. Garcia Ontanon <luis.ontanon@gmail.com>
*
* $Id$
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "elua.h"
#include <math.h>
ELUA_API const gchar* lua_shiftstring(lua_State* L, int i) {
const gchar* p = luaL_checkstring(L, i);
if (p) {
lua_remove(L,i);
return p;
} else {
return NULL;
}
}
ELUA_FUNCTION elua_format_date(lua_State* LS) { /* Formats an absolute timestamp into a human readable date */
#define ELUA_ARG_format_date_TIMESTAMP 1 /* A timestamp value to convert. */
lua_Number time = luaL_checknumber(LS,ELUA_ARG_format_date_TIMESTAMP);
nstime_t then;
gchar* str;
then.secs = (guint32)floor(time);
then.nsecs = (guint32) ( (time-(double)(then.secs))*1000000000);
str = abs_time_to_str(&then);
lua_pushstring(LS,str);
ELUA_RETURN(1); /* a string with the formated date */
}
ELUA_FUNCTION elua_format_time(lua_State* LS) { /* Formats an absolute timestamp in a human readable form */
#define ELUA_ARG_format_time_TIMESTAMP 1 /* a timestamp value to convert */
lua_Number time = luaL_checknumber(LS,ELUA_ARG_format_time_TIMESTAMP);
nstime_t then;
gchar* str;
then.secs = (guint32)floor(time);
then.nsecs = (guint32) ( (time-(double)(then.secs))*1000000000);
str = rel_time_to_str(&then);
lua_pushstring(LS,str);
ELUA_RETURN(1); /* a string with the formated time */
}
ELUA_FUNCTION elua_report_failure(lua_State* LS) { /* reports a failure to the user */
#define ELUA_ARG_report_failure_TEXT 1 /* message */
const gchar* s = luaL_checkstring(LS,ELUA_ARG_report_failure_TEXT);
report_failure("%s",s);
return 0;
}
static int elua_log(lua_State* L, GLogLevelFlags log_level) {
GString* str = g_string_new("");
int n = lua_gettop(L); /* number of arguments */
int i;
lua_getglobal(L, "tostring");
for (i=1; i<=n; i++) {
const char *s;
lua_pushvalue(L, -1); /* function to be called */
lua_pushvalue(L, i); /* value to print */
lua_call(L, 1, 1);
s = lua_tostring(L, -1); /* get result */
if (s == NULL)
return luaL_error(L, "`tostring' must return a string");
if (i>1) g_string_append(str,"\t");
g_string_append(str,s);
lua_pop(L, 1); /* pop result */
}
g_log(LOG_DOMAIN_LUA, log_level, "%s\n", str->str);
g_string_free(str,TRUE);
return 0;
}
ELUA_FUNCTION elua_critical( lua_State* L ) { /* Will add a log entry with critical severity*/
/* ELUA_MOREARGS critical objects to be printed */
elua_log(L,G_LOG_LEVEL_CRITICAL);
return 0;
}
ELUA_FUNCTION elua_warn( lua_State* L ) { /* Will add a log entry with warn severity */
/* ELUA_MOREARGS warn objects to be printed */
elua_log(L,G_LOG_LEVEL_WARNING);
return 0;
}
ELUA_FUNCTION elua_message( lua_State* L ) { /* Will add a log entry with message severity */
/* ELUA_MOREARGS message objects to be printed */
elua_log(L,G_LOG_LEVEL_MESSAGE);
return 0;
}
ELUA_FUNCTION elua_info( lua_State* L ) { /* Will add a log entry with info severity */
/* ELUA_MOREARGS info objects to be printed */
elua_log(L,G_LOG_LEVEL_INFO);
return 0;
}
ELUA_FUNCTION elua_debug( lua_State* L ) { /* Will add a log entry with debug severity */
/* ELUA_MOREARGS debug objects to be printed */
elua_log(L,G_LOG_LEVEL_DEBUG);
return 0;
}
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