129 lines
3.2 KiB
C
129 lines
3.2 KiB
C
/*
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* Copyright (c) 2004 Iwata <iwata@quasiquote.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <config.h>
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#include <stdio.h>
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#include <string.h>
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#include <lua.h>
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#include <lualib.h>
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#include <lauxlib.h>
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#include "sj3lua.h"
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int
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sj3lua_check_table(lua_State *lstate)
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{
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if (!lua_istable(lstate, 1)) {
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fprintf(stderr, "Illegal type of table (type=%s).\n",
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lua_typename(lstate, lua_type(lstate, 1)));
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return 0;
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}
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return 1;
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}
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int
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lua2sj_boolean(lua_State *lstate, char *name, int idx, int default_val, int *i)
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{
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lua_getfield(lstate, idx, name);
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lua_pop(lstate, idx);
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if (lua_isboolean(lstate, idx - 1)) {
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*i = (int)lua_toboolean(lstate, idx - 1);
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return *i;
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} else if (lua_isnil(lstate, idx - 1)) {
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*i = default_val;
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return *i;
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} else {
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fprintf(stderr, "Illegal type of '%s'(%s), must be boolean.\n",
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name, lua_typename(lstate, lua_type(lstate, idx - 1)));
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exit(1);
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}
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}
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int
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lua2sj_integer(lua_State *lstate, char *name, int idx, int default_val, int *i)
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{
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lua_getfield(lstate, idx, name);
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lua_pop(lstate, idx);
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if (lua_isnumber(lstate, idx - 1)) {
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*i = (int)lua_tonumber(lstate, idx - 1);
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return *i;
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} else if (lua_isnil(lstate, idx - 1)) {
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*i = default_val;
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return *i;
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} else {
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fprintf(stderr, "Illegal type of '%s'(%s), must be integer.\n",
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name, lua_typename(lstate, lua_type(lstate, idx - 1)));
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exit(1);
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}
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}
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char *
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lua2sj_string(lua_State *lstate, char *name, int idx, char *default_val, char *str, size_t len)
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{
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lua_getfield(lstate, idx, name);
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lua_pop(lstate, idx);
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if (lua_isstring(lstate, idx - 1)) {
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strlcpy(str, lua_tostring(lstate, idx - 1), len);
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return str;
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} else if (lua_isnil(lstate, idx - 1)) {
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if (default_val == NULL)
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str[0] = '\0';
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else
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strlcpy(str, default_val, len);
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return str;
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} else {
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fprintf(stderr, "Illegal type of '%s'(%s), must be string.\n",
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name, lua_typename(lstate, lua_type(lstate, idx - 1)));
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exit(1);
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}
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}
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void
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sj2lua_boolean(lua_State *lstate, char *name, int i)
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{
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lua_pushstring(lstate, name);
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lua_pushboolean(lstate, i);
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lua_settable(lstate, -3);
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}
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void
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sj2lua_integer(lua_State *lstate, char *name, int i)
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{
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lua_pushstring(lstate, name);
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lua_pushnumber(lstate, i);
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lua_settable(lstate, -3);
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}
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void
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sj2lua_string(lua_State *lstate, char *name, char *s)
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{
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lua_pushstring(lstate, name);
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lua_pushstring(lstate, s);
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lua_settable(lstate, -3);
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}
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void
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set_luafunction(lua_State *lstate, char *name, lua_CFunction fun)
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{
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lua_pushstring(lstate, name);
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lua_pushcfunction(lstate, fun);
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lua_settable(lstate, -3);
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}
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