static void
test_pattern_unpack(struct pbc_env *env, struct pbc_slice * slice) {
struct person p;
int r = pbc_pattern_unpack(pat, slice, &p);
if (r>=0) {
printf("name = %s\n",(const char *)p.name.buffer);
printf("id = %d\n",p.id);
printf("email = %s\n",(const char *)p.email.buffer);
int n = pbc_array_size(p.phone);
int i;
for (i=0;i<n;i++) {
struct pbc_slice * bytes = pbc_array_slice(p.phone, i);
struct person_phone pp;
pbc_pattern_unpack(pat_phone , bytes , &pp);
printf("\tnumber = %s\n" , (const char*)pp.number.buffer);
printf("\ttype = %d\n" , pp.type);
}
n = pbc_array_size(p.test);
for (i=0;i<n;i++) {
printf("test[%d] = %d\n",i, pbc_array_integer(p.test, i , NULL));
}
pbc_pattern_close_arrays(pat,&p);
}
}
static void
set_msg_one(struct pbc_pattern * FIELD_T, struct pbc_env *p, struct file_t *file, const char *name, int start, int sz , pbc_array queue) {
int i;
for (i=0;i<sz;i++) {
pbc_var _field;
_pbcA_index(file->message_field, start+i, _field);
struct field_t field;
int ret = pbc_pattern_unpack(FIELD_T, _field->m.buffer, _field->m.len, &field);
if (ret != 0) {
continue;
}
struct _field f;
f.id = field.id;
f.name = field.name->s.str;
f.type = field.type;
f.label = field.label;
f.type_name.n = field.type_name->s.str;
set_default(&f, &field);
_pbcP_push_message(p,name, &f , queue);
// don't need to close pattern since no array
}
_pbcP_init_message(p, name);
}
/*
lightuserdata pattern
string format "ixrsmb"
integer size
lightuserdata buffer
integer buffer_len
*/
static int
_pattern_unpack(lua_State *L) {
struct pbc_pattern * pat = (struct pbc_pattern *)checkuserdata(L, 1);
if (pat == NULL) {
return luaL_error(L, "unpack pattern is NULL");
}
size_t format_sz = 0;
const char * format = lua_tolstring(L,2,&format_sz);
int size = lua_tointeger(L,3);
struct pbc_slice slice;
if (lua_isstring(L,4)) {
size_t buffer_len = 0;
const char *buffer = luaL_checklstring(L,4,&buffer_len);
slice.buffer = (void *)buffer;
slice.len = buffer_len;
} else {
if (!lua_isuserdata(L,4)) {
return luaL_error(L, "Need a userdata");
}
slice.buffer = lua_touserdata(L,4);
slice.len = luaL_checkinteger(L,5);
}
char * temp = (char *)alloca(size);
int ret = pbc_pattern_unpack(pat, &slice, temp);
if (ret < 0) {
return 0;
}
lua_checkstack(L, format_sz + 3);
int i;
char * ptr = temp;
bool array = false;
for (i=0;i<format_sz;i++) {
char type = format[i];
if (type >= 'a' && type <='z') {
ptr = (char *)_push_value(L,ptr,type);
} else {
array = true;
int n = pbc_array_size((struct _pbc_array *)ptr);
lua_createtable(L,n,0);
int j;
for (j=0;j<n;j++) {
_push_array(L,(struct _pbc_array *)ptr, type, j);
}
ptr += sizeof(pbc_array);
}
}
if (array) {
pbc_pattern_close_arrays(pat, temp);
}
return format_sz;
}
static int
register_internal(struct pbc_env * p, void *buffer, int size) {
struct pbc_pattern * FIELD_T = _pbcP_new(8);
F(0,name,string);
F(1,id,int32);
F(2,label,int32);
F(3,type,int32);
F(4,type_name,string);
F(5,default_integer,int32);
F(6,default_string,string);
F(7,default_real,double);
struct pbc_pattern * FILE_T = _pbcP_new(10);
D(0,name,string);
D(1,dependency,string_array);
D(2,message_name,string_array);
D(3,message_size,int32_array);
D(4,message_field,message_array);
D(5,enum_name,string_array);
D(6,enum_size,int32_array);
D(7,enum_string,string_array);
D(8,enum_id,int32_array);
int ret = 0;
struct file_t file;
int r = pbc_pattern_unpack(FILE_T, buffer, size, &file);
if (r != 0) {
ret = 1;
goto _return;
}
_pbcM_sp_insert(p->files , file.name->s.str, NULL);
pbc_array queue;
_pbcA_open(queue);
set_enums(p, &file);
set_msgs(FIELD_T, p, &file, queue);
_pbcB_register_fields(p, queue);
_pbcA_close(queue);
pbc_pattern_close_arrays(FILE_T, &file);
_return:
free(FIELD_T);
free(FILE_T);
return ret;
}
/*
lightuserdata pattern
string format "ixrsmb"
integer size
lightuserdata buffer
integer buffer_len
*/
static int
_pattern_unpack(lua_State *L) {
struct pbc_pattern * pat = lua_touserdata(L, 1);
size_t format_sz = 0;
const char * format = lua_tolstring(L,2,&format_sz);
int size = lua_tointeger(L,3);
struct pbc_slice slice;
if (lua_isstring(L,4)) {
size_t buffer_len = 0;
const char *buffer = lua_tolstring(L,4,&buffer_len);
slice.buffer = (void *)buffer;
slice.len = buffer_len;
} else {
slice.buffer = lua_touserdata(L,4);
slice.len = lua_tointeger(L,5);
}
char temp[size];
int ret = pbc_pattern_unpack(pat, &slice, temp);
if (ret < 0)
return 0;
lua_checkstack(L, format_sz + 3);
int i;
char * ptr = temp;
bool array = false;
for (i=0;i<format_sz;i++) {
char type = format[i];
if (type >= 'a' && type <='z') {
ptr = _push_value(L,ptr,type);
} else {
array = true;
int n = pbc_array_size((void *)ptr);
lua_createtable(L,n,0);
int j;
for (j=0;j<n;j++) {
_push_array(L,(void *)ptr, type, j);
}
}
}
if (array) {
pbc_pattern_close_arrays(pat, temp);
}
return format_sz;
}
