68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/*
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* Defines for JSON, especially duk_bi_json.c.
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*/
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#if !defined(DUK_JSON_H_INCLUDED)
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#define DUK_JSON_H_INCLUDED
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/* Encoding/decoding flags */
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#define DUK_JSON_FLAG_ASCII_ONLY (1U << 0) /* escape any non-ASCII characters */
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#define DUK_JSON_FLAG_AVOID_KEY_QUOTES (1U << 1) /* avoid key quotes when key is an ASCII Identifier */
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#define DUK_JSON_FLAG_EXT_CUSTOM (1U << 2) /* extended types: custom encoding */
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#define DUK_JSON_FLAG_EXT_COMPATIBLE (1U << 3) /* extended types: compatible encoding */
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/* How much stack to require on entry to object/array encode */
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#define DUK_JSON_ENC_REQSTACK 32
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/* How much stack to require on entry to object/array decode */
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#define DUK_JSON_DEC_REQSTACK 32
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/* How large a loop detection stack to use */
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#define DUK_JSON_ENC_LOOPARRAY 64
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/* Encoding state. Heap object references are all borrowed. */
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typedef struct {
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duk_hthread *thr;
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duk_bufwriter_ctx bw; /* output bufwriter */
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duk_hobject *h_replacer; /* replacer function */
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duk_hstring *h_gap; /* gap (if empty string, NULL) */
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duk_idx_t idx_proplist; /* explicit PropertyList */
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duk_idx_t idx_loop; /* valstack index of loop detection object */
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duk_small_uint_t flags;
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duk_small_uint_t flag_ascii_only;
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duk_small_uint_t flag_avoid_key_quotes;
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#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
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duk_small_uint_t flag_ext_custom;
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duk_small_uint_t flag_ext_compatible;
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duk_small_uint_t flag_ext_custom_or_compatible;
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#endif
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duk_uint_t recursion_depth;
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duk_uint_t recursion_limit;
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duk_uint_t mask_for_undefined; /* type bit mask: types which certainly produce 'undefined' */
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#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
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duk_small_uint_t stridx_custom_undefined;
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duk_small_uint_t stridx_custom_nan;
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duk_small_uint_t stridx_custom_neginf;
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duk_small_uint_t stridx_custom_posinf;
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duk_small_uint_t stridx_custom_function;
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#endif
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duk_hobject *visiting[DUK_JSON_ENC_LOOPARRAY]; /* indexed by recursion_depth */
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} duk_json_enc_ctx;
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typedef struct {
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duk_hthread *thr;
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const duk_uint8_t *p;
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const duk_uint8_t *p_start;
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const duk_uint8_t *p_end;
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duk_idx_t idx_reviver;
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duk_small_uint_t flags;
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#if defined(DUK_USE_JX) || defined(DUK_USE_JC)
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duk_small_uint_t flag_ext_custom;
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duk_small_uint_t flag_ext_compatible;
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duk_small_uint_t flag_ext_custom_or_compatible;
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#endif
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duk_int_t recursion_depth;
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duk_int_t recursion_limit;
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} duk_json_dec_ctx;
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#endif /* DUK_JSON_H_INCLUDED */
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