ceph/src/civetweb/src/third_party/duktape-1.3.0/src-separate/duk_json.h

   1 /*
   2  *  Defines for JSON, especially duk_bi_json.c.
   3  */
   4
   5 #ifndef DUK_JSON_H_INCLUDED
   6 #define DUK_JSON_H_INCLUDED
   7
   8 /* Encoding/decoding flags */
   9 #define DUK_JSON_FLAG_ASCII_ONLY              (1 << 0)  /* escape any non-ASCII characters */
  10 #define DUK_JSON_FLAG_AVOID_KEY_QUOTES        (1 << 1)  /* avoid key quotes when key is an ASCII Identifier */
  11 #define DUK_JSON_FLAG_EXT_CUSTOM              (1 << 2)  /* extended types: custom encoding */
  12 #define DUK_JSON_FLAG_EXT_COMPATIBLE          (1 << 3)  /* extended types: compatible encoding */
  13
  14 /* How much stack to require on entry to object/array encode */
  15 #define DUK_JSON_ENC_REQSTACK                 32
  16
  17 /* How much stack to require on entry to object/array decode */
  18 #define DUK_JSON_DEC_REQSTACK                 32
  19
  20 /* How large a loop detection stack to use for fast path */
  21 #if defined(DUK_USE_JSON_STRINGIFY_FASTPATH)
  22 #define DUK_JSON_ENC_LOOPARRAY                64
  23 #endif
  24
  25 /* Encoding state.  Heap object references are all borrowed. */
  26 typedef struct {
  27         duk_hthread *thr;
  28         duk_bufwriter_ctx bw;        /* output bufwriter */
  29         duk_hobject *h_replacer;     /* replacer function */
  30         duk_hstring *h_gap;          /* gap (if empty string, NULL) */
  31         duk_hstring *h_indent;       /* current indent (if gap is NULL, this is NULL) */
  32         duk_idx_t idx_proplist;      /* explicit PropertyList */
  33         duk_idx_t idx_loop;          /* valstack index of loop detection object */
  34         duk_small_uint_t flags;
  35         duk_small_uint_t flag_ascii_only;
  36         duk_small_uint_t flag_avoid_key_quotes;
  37 #if defined(DUK_USE_JX) || defined(DUK_USE_JC)
  38         duk_small_uint_t flag_ext_custom;
  39         duk_small_uint_t flag_ext_compatible;
  40 #endif
  41         duk_int_t recursion_depth;
  42         duk_int_t recursion_limit;
  43         duk_uint_t mask_for_undefined;      /* type bit mask: types which certainly produce 'undefined' */
  44 #if defined(DUK_USE_JX) || defined(DUK_USE_JC)
  45         duk_small_uint_t stridx_custom_undefined;
  46         duk_small_uint_t stridx_custom_nan;
  47         duk_small_uint_t stridx_custom_neginf;
  48         duk_small_uint_t stridx_custom_posinf;
  49         duk_small_uint_t stridx_custom_function;
  50 #endif
  51 #if defined(DUK_USE_JSON_STRINGIFY_FASTPATH)
  52         duk_hobject *visiting[DUK_JSON_ENC_LOOPARRAY];  /* indexed by recursion_depth */
  53 #endif
  54 } duk_json_enc_ctx;
  55
  56 typedef struct {
  57         duk_hthread *thr;
  58         const duk_uint8_t *p;
  59         const duk_uint8_t *p_start;
  60         const duk_uint8_t *p_end;
  61         duk_idx_t idx_reviver;
  62         duk_small_uint_t flags;
  63 #if defined(DUK_USE_JX) || defined(DUK_USE_JC)
  64         duk_small_uint_t flag_ext_custom;
  65         duk_small_uint_t flag_ext_compatible;
  66 #endif
  67         duk_int_t recursion_depth;
  68         duk_int_t recursion_limit;
  69 } duk_json_dec_ctx;
  70
  71 #endif  /* DUK_JSON_H_INCLUDED */