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/*
* Copyright (C) Vadim Zhestkov
* Copyright (C) F5, Inc.
*/
#ifndef _NJS_ATOM_H_INCLUDED_
#define _NJS_ATOM_H_INCLUDED_
enum {
#define NJS_DEF_STRING(name, _1, _2, _3) NJS_ATOM_STRING_ ## name,
#define NJS_DEF_SYMBOL(name, str) NJS_ATOM_SYMBOL_ ## name,
#include <njs_atom_defs.h>
NJS_ATOM_SIZE,
#undef NJS_DEF_SYMBOL
#undef NJS_DEF_STRING
};
uint32_t njs_atom_hash_init(njs_vm_t *vm);
njs_int_t njs_atom_symbol_add(njs_vm_t *vm, njs_value_t *value);
njs_value_t *njs_atom_find_or_add(njs_vm_t *vm, u_char *key, size_t size,
size_t length, uint32_t hash);
njs_inline njs_int_t
njs_atom_to_value(njs_vm_t *vm, njs_value_t *dst, uint32_t atom_id)
{
size_t size;
double num;
njs_flathsh_descr_t *h;
u_char buf[128];
njs_assert(atom_id != NJS_ATOM_STRING_unknown);
if (njs_atom_is_number(atom_id)) {
num = njs_atom_number(atom_id);
size = njs_dtoa(num, (char *) buf);
if (njs_string_new(vm, dst, buf, size, size) != NJS_OK) {
return NJS_ERROR;
}
dst->atom_id = atom_id;
return NJS_OK;
}
if (atom_id < vm->shared_atom_count) {
h = vm->atom_hash_shared.slot;
njs_assert(atom_id < h->elts_count);
*dst = *((njs_value_t *) njs_hash_elts(h)[atom_id].value);
} else {
h = vm->atom_hash_current->slot;
atom_id -= vm->shared_atom_count;
njs_assert(atom_id < h->elts_count);
*dst = *((njs_value_t *) njs_hash_elts(h)[atom_id].value);
}
return NJS_OK;
}
#endif /* _NJS_ATOM_H_INCLUDED_ */
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