| #ifndef DUK_TRANS_DVALUE_H_INCLUDED |
| #define DUK_TRANS_DVALUE_H_INCLUDED |
| |
| #include "duktape.h" |
| |
| typedef struct duk_dvalue duk_dvalue; |
| typedef struct duk_trans_buffer duk_trans_buffer; |
| typedef struct duk_trans_dvalue_ctx duk_trans_dvalue_ctx; |
| |
| typedef void (*duk_trans_dvalue_received_function)(duk_trans_dvalue_ctx *ctx, duk_dvalue *dv); |
| typedef void (*duk_trans_dvalue_cooperate_function)(duk_trans_dvalue_ctx *ctx, int block); |
| typedef void (*duk_trans_dvalue_handshake_function)(duk_trans_dvalue_ctx *ctx, const char *handshake_line); |
| typedef void (*duk_trans_dvalue_detached_function)(duk_trans_dvalue_ctx *ctx); |
| |
| /* struct duk_dvalue 'tag' values, note that these have nothing to do with |
| * Duktape debug protocol inital byte. Struct fields used with the type |
| * are noted next to the define. |
| */ |
| #define DUK_DVALUE_EOM 1 /* no fields */ |
| #define DUK_DVALUE_REQ 2 /* no fields */ |
| #define DUK_DVALUE_REP 3 /* no fields */ |
| #define DUK_DVALUE_ERR 4 /* no fields */ |
| #define DUK_DVALUE_NFY 5 /* no fields */ |
| #define DUK_DVALUE_INTEGER 6 /* i: 32-bit signed integer */ |
| #define DUK_DVALUE_STRING 7 /* buf: string data, len: string length */ |
| #define DUK_DVALUE_BUFFER 8 /* buf: buffer data, len: buffer length */ |
| #define DUK_DVALUE_UNUSED 9 /* no fields */ |
| #define DUK_DVALUE_UNDEFINED 10 /* no fields */ |
| #define DUK_DVALUE_NULL 11 /* no fields */ |
| #define DUK_DVALUE_TRUE 12 /* no fields */ |
| #define DUK_DVALUE_FALSE 13 /* no fields */ |
| #define DUK_DVALUE_NUMBER 14 /* d: ieee double */ |
| #define DUK_DVALUE_OBJECT 15 /* i: class number, buf: pointer data, len: pointer length */ |
| #define DUK_DVALUE_POINTER 16 /* buf: pointer data, len: pointer length */ |
| #define DUK_DVALUE_LIGHTFUNC 17 /* i: lightfunc flags, buf: pointer data, len: pointer length */ |
| #define DUK_DVALUE_HEAPPTR 18 /* buf: pointer data, len: pointer length */ |
| |
| struct duk_dvalue { |
| /* Could use a union for the value but the gain would be relatively small. */ |
| int tag; |
| int i; |
| double d; |
| size_t len; |
| unsigned char *buf; |
| }; |
| |
| struct duk_trans_buffer { |
| unsigned char *base; |
| size_t write_offset; |
| size_t read_offset; |
| size_t alloc_size; |
| }; |
| |
| struct duk_trans_dvalue_ctx { |
| duk_trans_dvalue_received_function received; |
| duk_trans_dvalue_cooperate_function cooperate; |
| duk_trans_dvalue_handshake_function handshake; |
| duk_trans_dvalue_detached_function detached; |
| duk_trans_buffer send_buf; /* sending towards Duktape (duktape read callback) */ |
| duk_trans_buffer recv_buf; /* receiving from Duktape (duktape write callback) */ |
| int handshake_done; |
| int double_byteorder; /* 0=little endian, 1=big endian, 2=mixed endian */ |
| }; |
| |
| /* Buffer size needed by duk_dvalue_to_string(). */ |
| #define DUK_DVALUE_TOSTRING_BUFLEN 256 |
| |
| /* Dvalue handling. */ |
| duk_dvalue *duk_dvalue_alloc(void); |
| void duk_dvalue_free(duk_dvalue *dv); |
| void duk_dvalue_to_string(duk_dvalue *dv, char *buf); |
| duk_dvalue *duk_dvalue_make_tag(int tag); |
| duk_dvalue *duk_dvalue_make_tag_int(int tag, int intval); |
| duk_dvalue *duk_dvalue_make_tag_double(int tag, double dblval); |
| duk_dvalue *duk_dvalue_make_tag_data(int tag, const char *buf, size_t len); |
| duk_dvalue *duk_dvalue_make_tag_int_data(int tag, int intval, const char *buf, size_t len); |
| |
| /* Initializing and freeing the transport context. */ |
| duk_trans_dvalue_ctx *duk_trans_dvalue_init(void); |
| void duk_trans_dvalue_free(duk_trans_dvalue_ctx *ctx); |
| |
| /* Sending dvalues towards Duktape. */ |
| void duk_trans_dvalue_send(duk_trans_dvalue_ctx *ctx, duk_dvalue *dv); |
| void duk_trans_dvalue_send_eom(duk_trans_dvalue_ctx *ctx); |
| void duk_trans_dvalue_send_req(duk_trans_dvalue_ctx *ctx); |
| void duk_trans_dvalue_send_rep(duk_trans_dvalue_ctx *ctx); |
| void duk_trans_dvalue_send_err(duk_trans_dvalue_ctx *ctx); |
| void duk_trans_dvalue_send_nfy(duk_trans_dvalue_ctx *ctx); |
| void duk_trans_dvalue_send_integer(duk_trans_dvalue_ctx *ctx, int val); |
| void duk_trans_dvalue_send_string(duk_trans_dvalue_ctx *ctx, const char *str); |
| void duk_trans_dvalue_send_lstring(duk_trans_dvalue_ctx *ctx, const char *str, size_t len); |
| void duk_trans_dvalue_send_buffer(duk_trans_dvalue_ctx *ctx, const char *buf, size_t len); |
| void duk_trans_dvalue_send_unused(duk_trans_dvalue_ctx *ctx); |
| void duk_trans_dvalue_send_undefined(duk_trans_dvalue_ctx *ctx); |
| void duk_trans_dvalue_send_null(duk_trans_dvalue_ctx *ctx); |
| void duk_trans_dvalue_send_true(duk_trans_dvalue_ctx *ctx); |
| void duk_trans_dvalue_send_false(duk_trans_dvalue_ctx *ctx); |
| void duk_trans_dvalue_send_number(duk_trans_dvalue_ctx *ctx, double val); |
| void duk_trans_dvalue_send_object(duk_trans_dvalue_ctx *ctx, int classnum, const char *ptr_data, size_t ptr_len); |
| void duk_trans_dvalue_send_pointer(duk_trans_dvalue_ctx *ctx, const char *ptr_data, size_t ptr_len); |
| void duk_trans_dvalue_send_lightfunc(duk_trans_dvalue_ctx *ctx, int lf_flags, const char *ptr_data, size_t ptr_len); |
| void duk_trans_dvalue_send_heapptr(duk_trans_dvalue_ctx *ctx, const char *ptr_data, size_t ptr_len); |
| void duk_trans_dvalue_send_req_cmd(duk_trans_dvalue_ctx *ctx, int cmd); |
| |
| /* Duktape debug callbacks provided by the transport. */ |
| duk_size_t duk_trans_dvalue_read_cb(void *udata, char *buffer, duk_size_t length); |
| duk_size_t duk_trans_dvalue_write_cb(void *udata, const char *buffer, duk_size_t length); |
| duk_size_t duk_trans_dvalue_peek_cb(void *udata); |
| void duk_trans_dvalue_read_flush_cb(void *udata); |
| void duk_trans_dvalue_write_flush_cb(void *udata); |
| void duk_trans_dvalue_detached_cb(void *udata); |
| |
| #endif /* DUK_TRANS_DVALUE_H_INCLUDED */ |