static njs_ret_t
njs_regexp_prototype_to_string(njs_vm_t *vm, njs_value_t *args,
nxt_uint_t nargs, njs_index_t unused)
{
u_char *source;
int32_t length;
uint32_t size;
njs_value_t *value;
njs_regexp_pattern_t *pattern;
value = &args[0];
if (value->type == NJS_REGEXP) {
pattern = value->data.u.regexp->pattern;
source = pattern->source;
size = strlen((char *) source);
length = nxt_utf8_length(source, size);
return njs_regexp_string_create(vm, &vm->retval, source, size, length);
}
vm->exception = &njs_exception_type_error;
return NXT_ERROR;
}
static njs_ret_t
njs_regexp_prototype_to_string(njs_vm_t *vm, njs_value_t *args,
nxt_uint_t nargs, njs_index_t unused)
{
u_char *source;
size_t length, size;
njs_regexp_pattern_t *pattern;
pattern = args[0].data.u.regexp->pattern;
source = pattern->source;
size = strlen((char *) source);
length = nxt_utf8_length(source, size);
return njs_regexp_string_create(vm, &vm->retval, source, size, length);
}
static njs_ret_t
njs_regexp_prototype_source(njs_vm_t *vm, njs_value_t *value)
{
u_char *source;
size_t length, size;
njs_regexp_pattern_t *pattern;
pattern = value->data.u.regexp->pattern;
/* Skip starting "/". */
source = pattern->source + 1;
size = strlen((char *) source) - pattern->flags;
length = nxt_utf8_length(source, size);
return njs_regexp_string_create(vm, &vm->retval, source, size, length);
}
static njs_ret_t
njs_regexp_exec_result(njs_vm_t *vm, njs_regexp_t *regexp, u_char *string,
nxt_regex_match_data_t *match_data, nxt_uint_t utf8)
{
int *captures;
u_char *start;
int32_t size, length;
njs_ret_t ret;
nxt_uint_t i, n;
njs_array_t *array;
njs_object_prop_t *prop;
nxt_lvlhsh_query_t lhq;
static const njs_value_t njs_string_index = njs_string("index");
static const njs_value_t njs_string_input = njs_string("input");
array = njs_array_alloc(vm, regexp->pattern->ncaptures, 0);
if (nxt_slow_path(array == NULL)) {
goto fail;
}
captures = nxt_regex_captures(match_data);
for (i = 0; i < regexp->pattern->ncaptures; i++) {
n = 2 * i;
if (captures[n] != -1) {
start = &string[captures[n]];
size = captures[n + 1] - captures[n];
switch (utf8) {
case 0:
length = 0;
break;
case 1:
length = size;
break;
default:
length = nxt_utf8_length(start, size);
break;
}
ret = njs_regexp_string_create(vm, &array->start[i],
start, size, length);
if (nxt_slow_path(ret != NXT_OK)) {
goto fail;
}
} else {
array->start[i] = njs_value_void;
}
}
prop = njs_object_prop_alloc(vm, &njs_string_index);
if (nxt_slow_path(prop == NULL)) {
goto fail;
}
/* TODO: Non UTF-8 position */
njs_number_set(&prop->value, regexp->last_index + captures[0]);
if (regexp->pattern->global) {
regexp->last_index += captures[1];
}
lhq.key_hash = NJS_INDEX_HASH;
lhq.key.len = sizeof("index") - 1;
lhq.key.data = (u_char *) "index";
lhq.replace = 0;
lhq.value = prop;
lhq.pool = vm->mem_cache_pool;
lhq.proto = &njs_object_hash_proto;
ret = nxt_lvlhsh_insert(&array->object.hash, &lhq);
if (nxt_slow_path(ret != NXT_OK)) {
goto fail;
}
prop = njs_object_prop_alloc(vm, &njs_string_input);
if (nxt_slow_path(prop == NULL)) {
goto fail;
}
njs_string_copy(&prop->value, ®exp->string);
lhq.key_hash = NJS_INPUT_HASH;
lhq.key.len = sizeof("input") - 1;
lhq.key.data = (u_char *) "input";
lhq.value = prop;
ret = nxt_lvlhsh_insert(&array->object.hash, &lhq);
if (nxt_fast_path(ret == NXT_OK)) {
vm->retval.data.u.array = array;
vm->retval.type = NJS_ARRAY;
vm->retval.data.truth = 1;
ret = NXT_OK;
goto done;
}
fail:
ret = NXT_ERROR;
done:
nxt_regex_match_data_free(match_data, vm->regex_context);
return ret;
}