Commit 9517fa11 authored by Antoine Cellerier's avatar Antoine Cellerier

Export VLC's md5 API.

parent 21a99454
......@@ -16,6 +16,7 @@ SOURCES_lua = \
libs/httpd.c \
libs/input.c \
libs/input.h \
libs/md5.c \
libs/messages.c \
libs/misc.c \
libs/misc.h \
......
......@@ -139,6 +139,7 @@ static int probe_luascript( vlc_object_t *p_this, const char * psz_filename,
luaopen_msg( L );
luaopen_strings( L );
luaopen_xml( L );
luaopen_md5( L );
lua_pushlightuserdata( L, p_demux );
lua_setfield( L, -2, "private" );
lua_pushstring( L, p_demux->psz_path );
......
......@@ -736,6 +736,7 @@ static lua_State* GetLuaState( extensions_manager_t *p_mgr,
luaopen_config( L );
luaopen_dialog( L, p_ext );
luaopen_input( L );
luaopen_md5( L );
luaopen_msg( L );
luaopen_misc( L );
luaopen_net( L );
......
......@@ -198,6 +198,7 @@ int Open_LuaIntf( vlc_object_t *p_this )
luaopen_volume( L );
luaopen_gettext( L );
luaopen_xml( L );
luaopen_md5( L );
/* clean up */
lua_pop( L, 1 );
......
......@@ -45,5 +45,6 @@ void luaopen_volume( lua_State * );
void luaopen_gettext( lua_State * );
void luaopen_input_item( lua_State *L, input_item_t *item );
void luaopen_xml( lua_State *L );
void luaopen_md5( lua_State *L );
#endif
/*****************************************************************************
* md5.c: md5 hashing functions
*****************************************************************************
* Copyright (C) 2010 Antoine Cellerier
* $Id$
*
* Authors: Antoine Cellerier <dionoea at videolan tod org>
*
* 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.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_md5.h>
#include <lua.h> /* Low level lua C API */
#include <lauxlib.h> /* Higher level C API */
#include "../vlc.h"
#include "../libs.h"
/*****************************************************************************
*
*****************************************************************************/
static int vlclua_md5_create( lua_State * );
static int vlclua_md5_add( lua_State * );
static int vlclua_md5_end( lua_State * );
static int vlclua_md5_hash( lua_State * );
static const luaL_Reg vlclua_md5_reg[] = {
{ "add", vlclua_md5_add },
{ "end", vlclua_md5_end },
{ "end_", vlclua_md5_end },
{ "hash", vlclua_md5_hash },
{ NULL, NULL }
};
static int vlclua_md5_create( lua_State *L )
{
if( lua_gettop( L ) )
{
/* If optional first argument is given, and it's a string, just
* return the string's hash */
const char *psz_str = luaL_checkstring( L, 1 );
struct md5_s md5;
InitMD5( &md5 );
AddMD5( &md5, psz_str, strlen( psz_str ) );
EndMD5( &md5 );
char *psz_hash = psz_md5_hash( &md5 );
lua_pushstring( L, psz_hash );
free( psz_hash );
return 1;
}
struct md5_s *p_md5 = lua_newuserdata( L, sizeof( struct md5_s ) );
InitMD5( p_md5 );
if( luaL_newmetatable( L, "md5" ) )
{
lua_newtable( L );
luaL_register( L, NULL, vlclua_md5_reg );
lua_setfield( L, -2, "__index" );
}
lua_setmetatable( L, -2 );
return 1;
}
static int vlclua_md5_add( lua_State *L )
{
struct md5_s *p_md5 = (struct md5_s *)luaL_checkudata( L, 1, "md5" );
if( !lua_isstring( L, 2 ) )
luaL_error( L, "2nd argument should be a string" );
size_t i_len = 0;
const char *psz_str = lua_tolstring( L, 2, &i_len );
if( !psz_str )
vlclua_error( L );
AddMD5( p_md5, psz_str, i_len );
return 0;
}
static int vlclua_md5_end( lua_State *L )
{
struct md5_s *p_md5 = (struct md5_s *)luaL_checkudata( L, 1, "md5" );
EndMD5( p_md5 );
return 0;
}
static int vlclua_md5_hash( lua_State *L )
{
struct md5_s *p_md5 = (struct md5_s *)luaL_checkudata( L, 1, "md5" );
char *psz_hash = psz_md5_hash( p_md5 );
lua_pushstring( L, psz_hash );
free( psz_hash );
return 1;
}
void luaopen_md5( lua_State *L )
{
lua_pushcfunction( L, vlclua_md5_create );
lua_setfield( L, -2, "md5" );
}
......@@ -72,6 +72,7 @@ static lua_State * init( vlc_object_t *p_this, input_item_t * p_item, const char
luaopen_object( L );
luaopen_misc( L );
luaopen_xml( L );
luaopen_md5( L );
luaopen_input_item( L, p_item );
lua_pushlightuserdata( L, p_this );
......
......@@ -110,7 +110,9 @@ int Open_LuaSD( vlc_object_t *p_this )
luaopen_stream( L );
luaopen_gettext( L );
luaopen_xml( L );
luaopen_md5( L );
lua_pop( L, 1 );
if( vlclua_add_modules_path( p_sd, L, p_sys->psz_filename ) )
{
msg_Warn( p_sd, "Error while setting the module search path for %s",
......
......@@ -130,6 +130,14 @@ input.item(): Get the current input item. Input item methods are:
.played_abuffers
.lost_abuffers
MD5
---
md5( str ): return the string's hash
md5(): create an md5 object with the following methods:
:add( str ): add a string to the hash
:end_(): finish hashing
:hash(): return the hash
Messages
--------
msg.dbg( [str1, [str2, [...]]] ): Output debug messages (-vv).
......
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