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#include <lua.h>
#include <lauxlib.h>
#include "lua-defs.h"
#include "refs.h"
#include "win-plot-refs.h"
static char const * const window_plot_ref_table_name = "GSL.winpltrefs";
void
window_plot_ref_prepare (lua_State *L)
{
register_ref_table (L, window_plot_ref_table_name);
}
void
window_plot_ref_add (lua_State *L, int slot_id, int window_index, int plot_index)
{
INDEX_SET_ABS_2(L, window_index, plot_index);
lua_getfield (L, LUA_REGISTRYINDEX, window_plot_ref_table_name);
lua_pushvalue (L, window_index);
lua_rawget (L, -2);
if (lua_isnil (L, -1))
{
lua_pop (L, 1);
lua_newtable (L);
lua_pushvalue (L, plot_index);
lua_rawseti (L, -2, slot_id);
lua_pushvalue (L, window_index);
lua_insert (L, -2);
lua_rawset (L, -3);
}
else
{
lua_pushvalue (L, plot_index);
lua_rawseti (L, -2, slot_id);
}
lua_pop (L, 2);
}
void
window_plot_ref_remove (lua_State *L, int slot_id, int window_index)
{
INDEX_SET_ABS(L, window_index);
lua_getfield (L, LUA_REGISTRYINDEX, window_plot_ref_table_name);
lua_pushvalue (L, window_index);
lua_rawget (L, -2);
if (! lua_isnil (L, -1))
{
lua_pushnil (L);
lua_rawseti (L, -2, slot_id);
}
lua_pop (L, 2);
}
void
window_plot_rev_lookup_apply (lua_State *L, int plot_index, lua_CFunction func)
{
INDEX_SET_ABS(L, plot_index);
lua_getfield (L, LUA_REGISTRYINDEX, window_plot_ref_table_name);
lua_pushnil (L);
while (lua_next (L, -2) != 0)
{
lua_pushnil (L);
while (lua_next (L, -2) != 0)
{
if (lua_rawequal (L, -1, plot_index))
{
lua_pushcfunction (L, func);
lua_pushvalue (L, -5);
lua_pushvalue (L, -4);
lua_call (L, 2, 0);
}
lua_pop (L, 1);
}
lua_pop (L, 1);
}
lua_pop (L, 1);
}
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