130 lines
4.1 KiB
C
130 lines
4.1 KiB
C
/*
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* elua_util.c
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*
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* (c) 2006, Luis E. Garcia Ontanon <luis.ontanon@gmail.com>
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*
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* $Id$
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "elua.h"
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#include <math.h>
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ELUA_API const gchar* lua_shiftstring(lua_State* L, int i) {
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const gchar* p = luaL_checkstring(L, i);
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if (p) {
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lua_remove(L,i);
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return p;
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} else {
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return NULL;
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}
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}
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ELUA_FUNCTION elua_format_date(lua_State* LS) { /* Formats an absolute timestamp into a human readable date */
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#define ELUA_ARG_format_date_TIMESTAMP 1 /* A timestamp value to convert. */
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lua_Number time = luaL_checknumber(LS,ELUA_ARG_format_date_TIMESTAMP);
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nstime_t then;
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gchar* str;
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then.secs = (guint32)floor(time);
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then.nsecs = (guint32) ( (time-(double)(then.secs))*1000000000);
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str = abs_time_to_str(&then);
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lua_pushstring(LS,str);
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ELUA_RETURN(1); /* a string with the formated date */
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}
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ELUA_FUNCTION elua_format_time(lua_State* LS) { /* Formats an absolute timestamp in a human readable form */
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#define ELUA_ARG_format_time_TIMESTAMP 1 /* a timestamp value to convert */
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lua_Number time = luaL_checknumber(LS,ELUA_ARG_format_time_TIMESTAMP);
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nstime_t then;
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gchar* str;
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then.secs = (guint32)floor(time);
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then.nsecs = (guint32) ( (time-(double)(then.secs))*1000000000);
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str = rel_time_to_str(&then);
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lua_pushstring(LS,str);
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ELUA_RETURN(1); /* a string with the formated time */
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}
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ELUA_FUNCTION elua_report_failure(lua_State* LS) { /* reports a failure to the user */
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#define ELUA_ARG_report_failure_TEXT 1 /* message */
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const gchar* s = luaL_checkstring(LS,ELUA_ARG_report_failure_TEXT);
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report_failure("%s",s);
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return 0;
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}
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static int elua_log(lua_State* L, GLogLevelFlags log_level) {
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GString* str = g_string_new("");
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int n = lua_gettop(L); /* number of arguments */
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int i;
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lua_getglobal(L, "tostring");
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for (i=1; i<=n; i++) {
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const char *s;
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lua_pushvalue(L, -1); /* function to be called */
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lua_pushvalue(L, i); /* value to print */
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lua_call(L, 1, 1);
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s = lua_tostring(L, -1); /* get result */
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if (s == NULL)
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return luaL_error(L, "`tostring' must return a string");
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if (i>1) g_string_append(str,"\t");
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g_string_append(str,s);
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lua_pop(L, 1); /* pop result */
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}
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g_log(LOG_DOMAIN_LUA, log_level, "%s\n", str->str);
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g_string_free(str,TRUE);
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return 0;
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}
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ELUA_FUNCTION elua_critical( lua_State* L ) { /* Will add a log entry with critical severity*/
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/* ELUA_MOREARGS critical objects to be printed */
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elua_log(L,G_LOG_LEVEL_CRITICAL);
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return 0;
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}
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ELUA_FUNCTION elua_warn( lua_State* L ) { /* Will add a log entry with warn severity */
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/* ELUA_MOREARGS warn objects to be printed */
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elua_log(L,G_LOG_LEVEL_WARNING);
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return 0;
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}
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ELUA_FUNCTION elua_message( lua_State* L ) { /* Will add a log entry with message severity */
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/* ELUA_MOREARGS message objects to be printed */
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elua_log(L,G_LOG_LEVEL_MESSAGE);
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return 0;
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}
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ELUA_FUNCTION elua_info( lua_State* L ) { /* Will add a log entry with info severity */
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/* ELUA_MOREARGS info objects to be printed */
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elua_log(L,G_LOG_LEVEL_INFO);
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return 0;
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}
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ELUA_FUNCTION elua_debug( lua_State* L ) { /* Will add a log entry with debug severity */
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/* ELUA_MOREARGS debug objects to be printed */
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elua_log(L,G_LOG_LEVEL_DEBUG);
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return 0;
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}
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