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/* -------------------------------------------------------------
* SWIG library containing argc and argv multi-argument typemaps
Use it as follows:
%apply (int ARGC, char **ARGV) { (size_t argc, const char **argv) }
extern int mainApp(size_t argc, const char **argv);
then from lua:
args = { "arg0", "arg1" }
mainApp(args)
* ------------------------------------------------------------- */
%{
SWIGINTERN int SWIG_argv_size(lua_State* L, int index) {
int n=0;
while(1){
lua_rawgeti(L,index,n+1);
if (lua_isnil(L,-1))
break;
++n;
lua_pop(L,1);
}
lua_pop(L,1);
return n;
}
%}
%typemap(in) (int ARGC, char **ARGV) {
if (lua_istable(L,$input)) {
int i, size = SWIG_argv_size(L,$input);
$1 = ($1_ltype) size;
$2 = (char **) malloc((size+1)*sizeof(char *));
for (i = 0; i < size; i++) {
lua_rawgeti(L,$input,i+1);
if (lua_isnil(L,-1))
break;
$2[i] = (char *)lua_tostring(L, -1);
lua_pop(L,1);
}
$2[i]=NULL;
} else {
$1 = 0; $2 = 0;
lua_pushstring(L,"Expecting argv array");
lua_error(L);
}
}
%typemap(typecheck, precedence=SWIG_TYPECHECK_STRING_ARRAY) (int ARGC, char **ARGV) {
$1 = lua_istable(L,$input);
}
%typemap(freearg) (int ARGC, char **ARGV) {
free((char *) $2);
}
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