/**
* @brief Gets time at index raising an error if isn't a time.
*
* @param L Lua state to get time from.
* @param ind Index position to find the time.
* @return Time found at the index in the state.
*/
ntime_t* luaL_checktime( lua_State *L, int ind )
{
if (lua_istime(L,ind))
return lua_totime(L,ind);
luaL_typerror(L, ind, TIME_METATABLE);
return NULL;
}
/**
* @brief Adds an article.
* @usage news.add(faction,title,body,[date_to_rm, [date]])
*
* @usage s = news.add( "Empire", "Hello world!", "The Empire wishes to say hello!", 0 ) -- Adds an Empire specific article, with date 0.
*
* @luaparam faction faction of the article, "Generic" for non-factional
* @luaparam title Title of the article
* @luaparam content What's in the article
* @luaparam date_to_rm date to remove the article
* @luaparam date What time to put, defaults to current date, use 0 to not use a date
* @luareturn The article matching name or nil if error.
* @luafunc add( s )
*/
int newsL_add( lua_State *L )
{
news_t *n_article;
char *title, *content, *faction;
ntime_t date, date_to_rm;
title = NULL;
content = NULL;
faction = NULL;
date = ntime_get();
date_to_rm = 50000000000000;
/* If a table is passed in. ugly hack */
if (lua_istable(L, 1)) {
lua_pushnil(L);
/* traverse table */
while (lua_next(L, -2)) {
/* traverse sub table */
if (lua_istable(L, -1)) {
lua_pushnil(L);
while (lua_next(L, -2)) {
if (lua_isnumber(L, -1)) {
if (date_to_rm)
date_to_rm = lua_tonumber(L, -1);
else
date = lua_tonumber(L, -1);
}
else if (lua_istime(L, -1)) {
if (date_to_rm)
date_to_rm = luaL_validtime(L, -1);
else
date = luaL_validtime(L, -1);
}
else if (lua_isstring(L, -1)) {
if (!faction)
faction = strdup(lua_tostring(L, -1));
else if (!title)
title = strdup(lua_tostring(L, -1));
else if (!content)
content = strdup(lua_tostring(L, -1));
}
lua_pop(L, 1);
}
if (title && content && faction)
new_article(title, content, faction, date, date_to_rm);
else
WARN("Bad arguments");
free(faction);
free(title);
free(content);
faction = NULL;
title = NULL;
content = NULL;
date = ntime_get();
date_to_rm = 50000000000000;
}
lua_pop(L, 1);
}
lua_pop(L, 1);
/* If we're landed, we should regenerate the news buffer. */
if (landed) {
generate_news(faction_name(land_planet->faction));
if (land_loaded)
bar_regen();
}
return 0;
}
if (!(lua_isstring(L, 1) && lua_isstring(L, 2) && lua_isstring(L, 3))) {
WARN("\nBad arguments, use "
"addArticle(\"Faction\",\"Title\",\"Content\",[date,[date_to_rm]])");
return 0;
}
faction = strdup(lua_tostring(L, 1));
title = strdup(lua_tostring(L, 2));
content = strdup(lua_tostring(L, 3));
/* get date and date to remove, or leave at defaults*/
if (lua_isnumber(L, 4) || lua_istime(L, 4)) {
if (lua_istime(L, 4))
date_to_rm = luaL_validtime(L, 4);
else
date_to_rm = lua_tonumber(L, 4);
}
if (lua_isnumber(L, 5) || lua_istime(L, 5)) {
if (lua_istime(L, 5))
date = luaL_validtime(L, 5);
else
date = lua_tonumber(L, 5);
}
if (title && content && faction)
n_article = new_article(title, content, faction, date, date_to_rm);
else
WARN("Bad arguments");
lua_pusharticle(L, n_article->id);
free(title);
free(content);
free(faction);
/* If we're landed, we should regenerate the news buffer. */
if (landed) {
generate_news(faction_name(land_planet->faction));
if (land_loaded)
bar_regen();
}
return 1;
}
/**
* @brief Persists the node on the top of the stack and pops it.
*
* @param L Lua state with node to persist on top of the stack.
* @param writer XML Writer to use.
* @param Are we parsing a node in a table? Avoids checking for extra __save.
* @return 0 on success.
*/
static int nxml_persistDataNode( lua_State *L, xmlTextWriterPtr writer, int intable )
{
int ret, b;
LuaPlanet *p;
LuaSystem *s;
LuaFaction *f;
LuaShip *sh;
LuaTime *lt;
Planet *pnt;
StarSystem *ss;
char buf[PATH_MAX];
const char *name, *str;
int keynum;
/* Default values. */
ret = 0;
/* key, value */
/* Handle different types of keys. */
switch (lua_type(L, -2)) {
case LUA_TSTRING:
/* Can just tostring directly. */
name = lua_tostring(L,-2);
/* Isn't a number key. */
keynum = 0;
break;
case LUA_TNUMBER:
/* Can't tostring directly. */
lua_pushvalue(L,-2);
name = lua_tostring(L,-1);
lua_pop(L,1);
/* Is a number key. */
keynum = 1;
break;
/* We only handle string or number keys, so ignore the rest. */
default:
lua_pop(L,1);
/* key */
return 0;
}
/* key, value */
/* Now handle the value. */
switch (lua_type(L, -1)) {
/* Recursive for tables. */
case LUA_TTABLE:
/* Check if should save -- only if not in table.. */
if (!intable) {
lua_getfield(L, -1, "__save");
b = lua_toboolean(L,-1);
lua_pop(L,1);
if (!b) /* No need to save. */
break;
}
/* Start the table. */
xmlw_startElem(writer,"data");
xmlw_attr(writer,"type","table");
xmlw_attr(writer,"name","%s",name);
if (keynum)
xmlw_attr(writer,"keynum","1");
lua_pushnil(L); /* key, value, nil */
/* key, value, nil */
while (lua_next(L, -2) != 0) {
/* key, value, key, value */
ret = nxml_persistDataNode( L, writer, 1 );
/* key, value, key */
}
/* key, value */
xmlw_endElem(writer); /* "table" */
break;
/* Normal number. */
case LUA_TNUMBER:
nxml_saveData( writer, "number",
name, lua_tostring(L,-1), keynum );
/* key, value */
break;
/* Boolean is either 1 or 0. */
case LUA_TBOOLEAN:
/* lua_tostring doesn't work on booleans. */
if (lua_toboolean(L,-1)) buf[0] = '1';
else buf[0] = '0';
buf[1] = '\0';
nxml_saveData( writer, "bool",
name, buf, keynum );
/* key, value */
break;
/* String is saved normally. */
case LUA_TSTRING:
nxml_saveData( writer, "string",
name, lua_tostring(L,-1), keynum );
/* key, value */
break;
/* User data must be handled here. */
case LUA_TUSERDATA:
if (lua_isplanet(L,-1)) {
p = lua_toplanet(L,-1);
pnt = planet_getIndex( p->id );
if (pnt != NULL)
nxml_saveData( writer, "planet",
name, pnt->name, keynum );
else
WARN("Failed to save invalid planet.");
/* key, value */
break;
}
else if (lua_issystem(L,-1)) {
s = lua_tosystem(L,-1);
ss = system_getIndex( s->id );
if (ss != NULL)
nxml_saveData( writer, "system",
name, ss->name, keynum );
else
WARN("Failed to save invalid system.");
/* key, value */
break;
}
else if (lua_isfaction(L,-1)) {
f = lua_tofaction(L,-1);
str = faction_name( f->f );
if (str == NULL)
break;
nxml_saveData( writer, "faction",
name, str, keynum );
/* key, value */
break;
}
else if (lua_isship(L,-1)) {
sh = lua_toship(L,-1);
str = sh->ship->name;
if (str == NULL)
break;
nxml_saveData( writer, "ship",
name, str, keynum );
/* key, value */
break;
}
else if (lua_istime(L,-1)) {
lt = lua_totime(L,-1);
snprintf( buf, sizeof(buf), "%"PRId64, lt->t );
nxml_saveData( writer, "time",
name, buf, keynum );
break;
}
/* Rest gets ignored, like functions, etc... */
default:
/* key, value */
break;
}
lua_pop(L,1);
/* key */
return ret;
}