root / lab4 / .minix-src / include / mj.h @ 14
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1 | 13 | up20180614 | /*-
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2 | * Copyright (c) 2010,2011 Alistair Crooks <agc@NetBSD.org>
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | *
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14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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15 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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16 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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17 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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20 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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21 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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24 | */
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25 | #ifndef MJ_H_
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26 | #define MJ_H_ 20110607 |
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27 | |||
28 | enum {
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29 | MJ_NULL = 1,
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30 | MJ_FALSE = 2,
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31 | MJ_TRUE = 3,
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32 | MJ_NUMBER = 4,
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33 | MJ_STRING = 5,
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34 | MJ_ARRAY = 6,
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35 | MJ_OBJECT = 7,
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36 | |||
37 | MJ_LAST = MJ_OBJECT, |
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38 | |||
39 | MJ_HUMAN = 0, /* human readable, not encoded */ |
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40 | MJ_JSON_ENCODE = 1 /* encoded JSON */ |
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41 | }; |
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42 | |||
43 | /* a minimalist JSON node */
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44 | typedef struct mj_t { |
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45 | unsigned type; /* type of JSON node */ |
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46 | unsigned c; /* # of chars */ |
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47 | unsigned size; /* size of array */ |
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48 | union {
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49 | struct mj_t *v; /* sub-objects */ |
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50 | char *s; /* string value */ |
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51 | } value; |
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52 | } mj_t; |
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53 | |||
54 | /* creation and deletion */
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55 | int mj_create(mj_t */*atom*/, const char */*type*/, .../*value*/); |
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56 | int mj_parse(mj_t */*atom*/, const char */*s*/, int */*from*/, |
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57 | int */*to*/, int */*token*/); |
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58 | int mj_append(mj_t */*atom*/, const char */*type*/, .../*value*/); |
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59 | int mj_append_field(mj_t */*atom*/, const char */*name*/, const char */*type*/, |
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60 | .../*value*/);
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61 | int mj_deepcopy(mj_t */*dst*/, mj_t */*src*/); |
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62 | void mj_delete(mj_t */*atom*/); |
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63 | |||
64 | /* JSON object access */
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65 | int mj_arraycount(mj_t */*atom*/); |
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66 | int mj_object_find(mj_t */*atom*/, const char */*name*/, |
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67 | const unsigned /*from*/, const unsigned /*incr*/); |
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68 | mj_t *mj_get_atom(mj_t */*atom*/, ...);
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69 | int mj_lint(mj_t */*atom*/); |
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70 | |||
71 | /* textual output */
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72 | int mj_snprint(char */*buf*/, size_t /*size*/, mj_t */*atom*/, int /*encoded*/); |
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73 | int mj_asprint(char **/*bufp*/, mj_t */*atom*/, int /*encoded*/); |
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74 | int mj_string_size(mj_t */*atom*/); |
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75 | int mj_pretty(mj_t */*atom*/, void */*fp*/, unsigned /*depth*/, |
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76 | const char */*trailer*/); |
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77 | const char *mj_string_rep(mj_t */*atom*/); |
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78 | |||
79 | #endif |