version 1.1.2.1, 2017/11/24 09:53:53
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version 1.10, 2024/10/28 09:58:51
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Line 12 terms:
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Line 12 terms:
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All of the documentation and software included in the ELWIX and AITNET |
All of the documentation and software included in the ELWIX and AITNET |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org> |
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Copyright 2004 - 2017 | Copyright 2004 - 2024 |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
by Michael Pounov <misho@elwix.org>. All rights reserved. |
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|
Redistribution and use in source and binary forms, with or without |
Redistribution and use in source and binary forms, with or without |
Line 46 SUCH DAMAGE.
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Line 46 SUCH DAMAGE.
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#include "global.h" |
#include "global.h" |
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/* JSON error strings */ |
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const char *jerrstr[] = { |
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"No error", |
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"Not enough tokens were provided", |
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"Invalid character", |
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"JSON string isn't full", |
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"Invalid parameter", |
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NULL |
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}; |
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|
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/* |
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* json_init() - Initialize JSON handler |
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* |
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* @json = JSON handler, if there is NULL then dynamically will be allocated |
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* @jstrict = JSON strict mode, when we select strict mode every unquoted value is error |
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* return: =NULL error or !=NULL ready for use JSON handler and should be free with json_free() |
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*/ |
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json_t * |
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json_init(json_t * __restrict json, int jstrict) |
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{ |
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json_t *j = json; |
|
|
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if (!j) { |
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j = e_malloc(sizeof(json_t)); |
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if (!j) { |
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LOGERR; |
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return NULL; |
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} |
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} |
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|
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memset(j, 0, sizeof(json_t)); |
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j->h_parent = -1; |
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j->h_strict = jstrict; |
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|
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/* handler is dynamically allocated! */ |
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if (!json) |
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j->h_alloc = j; |
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|
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return j; |
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} |
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|
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/* |
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* json_free() - Free JSON handler |
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* |
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* @json = JSON handler |
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* return: none |
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*/ |
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void |
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json_free(json_t * __restrict json) |
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{ |
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if (json) { |
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if (json->h_alloc) |
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e_free(json); |
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else |
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memset(json, 0, sizeof(json_t)); |
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} |
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} |
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static jtok_t * |
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json_gettoken(json_t * __restrict json, jtok_t * __restrict jtoks, u_int toksnum) |
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{ |
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jtok_t *tok; |
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|
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assert(json || !(!jtoks && toksnum)); |
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|
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if (json->h_next >= toksnum) { |
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elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
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return NULL; |
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} else |
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tok = &jtoks[json->h_next]; |
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tok->tok_idx = json->h_next++; |
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tok->tok_start = tok->tok_end = tok->tok_parent = -1; |
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tok->tok_size = 0; |
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return tok; |
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} |
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inline void |
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json_filltoken(jtok_t * __restrict tok, jtype_t type, long start, long end, long parent) |
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{ |
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assert(tok); |
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tok->tok_type = type; |
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tok->tok_start = start; |
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tok->tok_end = end; |
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tok->tok_parent = parent; |
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tok->tok_size = 0; |
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} |
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static int |
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json_parse_string(json_t * __restrict json, const char *jstr, size_t jlen, jtok_t * __restrict jtoks, u_int toksnum) |
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{ |
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jtok_t *tok; |
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u_long pos; |
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char ch; |
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register int i; |
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assert(json || jstr || !(!jtoks && toksnum)); |
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for (pos = json->h_pos++; json->h_pos < jlen && jstr[json->h_pos]; json->h_pos++) { |
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ch = jstr[json->h_pos]; |
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|
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if (ch == '\"') { |
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if (!jtoks) |
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return 0; |
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if (!(tok = json_gettoken(json, jtoks, toksnum))) { |
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json->h_pos = pos; |
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return -1; |
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} else |
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json_filltoken(tok, J_STRING, pos + 1, json->h_pos, json->h_parent); |
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return 0; |
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} |
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if (ch == '\\' && json->h_pos + 1 < jlen) { |
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switch (jstr[++json->h_pos]) { |
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case '\"': |
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case '/': |
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case '\\': |
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case 'b': |
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case 'f': |
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case 'r': |
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case 'n': |
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case 't': |
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/* Allowed escaped symbols */ |
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break; |
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case 'u': |
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/* Allows escaped symbol \uXXXX */ |
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json->h_pos++; |
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for (i = 0; i < 4 && json->h_pos < jlen && jstr[json->h_pos]; i++, json->h_pos++) { |
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/* If it isn't a hex character we have an error */ |
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if (!((jstr[json->h_pos] >= 48 && jstr[json->h_pos] <= 57) || /* 0-9 */ |
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(jstr[json->h_pos] >= 65 && jstr[json->h_pos] <= 70) || /* A-F */ |
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(jstr[json->h_pos] >= 97 && jstr[json->h_pos] <= 102))) { /* a-f */ |
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json->h_pos = pos; |
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elwix_SetErr(J_ERR_INVAL, "%s", jerrstr[J_ERR_INVAL]); |
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return -1; |
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} |
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} |
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json->h_pos--; |
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break; |
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default: |
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/* Unexpected symbol */ |
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json->h_pos = pos; |
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elwix_SetErr(J_ERR_INVAL, "%s", jerrstr[J_ERR_INVAL]); |
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return -1; |
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} |
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} |
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} |
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json->h_pos = pos; |
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elwix_SetErr(J_ERR_PART, "%s", jerrstr[J_ERR_PART]); |
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return -1; |
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} |
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static int |
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json_parse_value(json_t * __restrict json, const char *jstr, size_t jlen, jtok_t * __restrict jtoks, u_int toksnum) |
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{ |
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jtok_t *tok; |
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u_long pos; |
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assert(json || jstr || !(!jtoks && toksnum)); |
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for (pos = json->h_pos; json->h_pos < jlen && jstr[json->h_pos]; json->h_pos++) { |
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switch (jstr[json->h_pos]) { |
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case ':': |
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if (json->h_strict) |
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goto found; |
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break; |
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case '\t': |
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case '\r': |
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case '\n': |
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case ' ': |
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case ',': |
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case ']': |
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case '}': |
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goto found; |
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} |
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if (jstr[json->h_pos] < 32 || (u_char) jstr[json->h_pos] > 127) { |
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json->h_pos = pos; |
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elwix_SetErr(J_ERR_INVAL, "%s", jerrstr[J_ERR_INVAL]); |
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return -1; |
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} |
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} |
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if (json->h_strict) { |
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json->h_pos = pos; |
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elwix_SetErr(J_ERR_PART, "%s", jerrstr[J_ERR_PART]); |
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return -1; |
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} |
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found: |
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if (jtoks) { |
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if (!(tok = json_gettoken(json, jtoks, toksnum))) { |
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json->h_pos = pos; |
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return -1; |
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} else |
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json_filltoken(tok, J_VALUE, pos, json->h_pos, json->h_parent); |
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} |
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json->h_pos--; |
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return 0; |
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} |
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/* |
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* json_parse() - Parse JSON string |
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* |
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* @json = JSON handler |
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* @jstr = JSON string |
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* @jlen = JSON string length |
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* @jtoks = Token array |
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* @toksnum = Token array size, return number of allocated tokens in array |
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* return: -1 error or number of found tokens |
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*/ |
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u_int |
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json_parse(json_t * __restrict json, const char *jstr, size_t jlen, jtok_t * __restrict jtoks, u_int toksnum) |
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{ |
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register int i; |
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register u_int cx; |
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jtype_t type; |
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jtok_t *tok; |
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char ch; |
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if (!json || !jstr || (!jtoks && toksnum)) { |
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elwix_SetErr(J_ERR_PARAM, "%s", jerrstr[J_ERR_PARAM]); |
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return (u_int) -1; |
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} |
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for (cx = json->h_next; json->h_pos < jlen && jstr[json->h_pos]; json->h_pos++) { |
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switch ((ch = jstr[json->h_pos])) { |
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case '{': |
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case '[': |
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cx++; /* start new object/array token */ |
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if (!jtoks) |
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break; |
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tok = json_gettoken(json, jtoks, toksnum); |
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if (!tok) |
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return (u_int) -1; |
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if (json->h_parent != -1) { |
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jtoks[json->h_parent].tok_size++; |
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tok->tok_parent = json->h_parent; |
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} |
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tok->tok_type = (ch == '{' ? J_OBJECT : J_ARRAY); |
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tok->tok_start = json->h_pos; |
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json->h_parent = json->h_next - 1; |
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break; |
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case '}': |
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case ']': |
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if (!jtoks) |
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break; |
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if (json->h_next < 1) { |
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elwix_SetErr(J_ERR_INVAL, "%s", jerrstr[J_ERR_INVAL]); |
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return (u_int) -1; |
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} |
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type = (ch == '}' ? J_OBJECT : J_ARRAY); |
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tok = &jtoks[json->h_next - 1]; |
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while (42) { |
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if (tok->tok_start != -1 && tok->tok_end == -1) { |
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if (tok->tok_type != type) { |
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elwix_SetErr(J_ERR_INVAL, "%s", jerrstr[J_ERR_INVAL]); |
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return (u_int) -1; |
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} |
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tok->tok_end = json->h_pos + 1; |
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json->h_parent = tok->tok_parent; |
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break; |
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} |
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if (tok->tok_parent == -1) { |
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if (tok->tok_type != type || json->h_parent == -1) { |
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elwix_SetErr(J_ERR_INVAL, "%s", jerrstr[J_ERR_INVAL]); |
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return (u_int) -1; |
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} |
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break; |
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} |
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tok = &jtoks[tok->tok_parent]; |
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} |
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break; |
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case '\"': |
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if (json_parse_string(json, jstr, jlen, jtoks, toksnum) == -1) |
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return (u_int) -1; |
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cx++; /* start new string token */ |
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if (jtoks && json->h_parent != -1) |
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jtoks[json->h_parent].tok_size++; |
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break; |
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case '\t': |
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case '\r': |
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case '\n': |
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case ' ': |
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/* whitespace, skip */ |
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break; |
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case ':': |
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json->h_parent = json->h_next - 1; |
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break; |
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case ',': |
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if (jtoks && json->h_parent != -1 && |
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jtoks[json->h_parent].tok_type != J_OBJECT && |
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jtoks[json->h_parent].tok_type != J_ARRAY) |
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json->h_parent = jtoks[json->h_parent].tok_parent; |
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break; |
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case '-': |
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case '0': |
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case '1': |
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case '2': |
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case '3': |
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case '4': |
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case '5': |
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case '6': |
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case '7': |
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case '8': |
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case '9': |
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case 't': |
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case 'f': |
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case 'n': |
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if (json->h_strict) { |
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if (jtoks && json->h_parent != -1) { |
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/* they must not be keys of the object */ |
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if (jtoks[json->h_parent].tok_type == J_OBJECT || |
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(jtoks[json->h_parent].tok_type == J_STRING && |
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jtoks[json->h_parent].tok_size)) { |
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elwix_SetErr(J_ERR_INVAL, "%s", jerrstr[J_ERR_INVAL]); |
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return (u_int) -1; |
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} |
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} |
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if (json_parse_value(json, jstr, jlen, jtoks, toksnum) == -1) |
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return (u_int) -1; |
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cx++; /* start new value token */ |
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if (jtoks && json->h_parent != -1) |
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jtoks[json->h_parent].tok_size++; |
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break; |
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} |
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default: |
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if (json->h_strict) { |
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elwix_SetErr(J_ERR_INVAL, "%s", jerrstr[J_ERR_INVAL]); |
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return (u_int) -1; |
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} |
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if (json_parse_value(json, jstr, jlen, jtoks, toksnum) == -1) |
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return (u_int) -1; |
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cx++; /* start new value token */ |
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if (jtoks && json->h_parent != -1) |
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jtoks[json->h_parent].tok_size++; |
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break; |
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} |
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} |
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if (jtoks) { |
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for (i = json->h_next - 1; i >= 0; i--) { |
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/* unmatched opened object or array */ |
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if (jtoks[i].tok_start != -1 && jtoks[i].tok_end == -1) { |
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elwix_SetErr(J_ERR_PART, "%s", jerrstr[J_ERR_PART]); |
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return (u_int) -1; |
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} |
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} |
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} else |
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cx++; /* increment needed tokens number for termination empty token */ |
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return cx; |
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} |
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/* |
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* json_token2val() - Return token to AIT variable |
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* |
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* @jstr = JSON string |
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* @tok = Token for convert |
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* @return =NULL error or !=NULL allocated variable, after use should be ait_freeVar() |
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*/ |
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ait_val_t * |
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json_token2val(const char *jstr, jtok_t * __restrict tok) |
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{ |
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ait_val_t *v = NULL; |
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if (!jstr || !tok) |
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return NULL; |
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v = ait_allocVar(); |
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if (!v) |
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return NULL; |
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AIT_SET_STRSIZ(v, json_toklen(tok)); |
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if (AIT_GET_STR(v)) |
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strncpy(AIT_GET_STR(v), json_tokstr(jstr, tok), AIT_LEN(v) - 1); |
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else |
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ait_freeVar(&v); |
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return v; |
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} |
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/* |
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* json_token2str() - Return token to string |
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* |
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* @jstr = JSON string |
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* @tok = Token for convert |
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* @return =NULL error or !=NULL allocated str, after use should be json_freestr()|e_free() |
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*/ |
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char * |
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json_token2str(const char *jstr, jtok_t * __restrict tok) |
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{ |
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char *s, *s2, *wrk, *str = NULL; |
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size_t len; |
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if (!jstr || !tok) |
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return NULL; |
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len = json_toklen(tok); |
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str = e_malloc(len + 1); |
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if (!str) |
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return NULL; |
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else { |
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memset(str, 0, len + 1); |
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wrk = e_strdup(json_tokstr(jstr, tok)); |
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wrk[len] = 0; |
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for (s = wrk, s2 = str; *s; s++) |
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*s2++ = (*s != '\\') ? *s : *++s; |
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e_free(wrk); |
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} |
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return str; |
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} |
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/* |
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* json_token2num() - Return token to numeric |
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* |
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* @jstr = JSON string |
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* @tok = Token for convert |
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* @return number |
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*/ |
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long |
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json_token2num(const char *jstr, jtok_t * __restrict tok) |
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{ |
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long ret = 0; |
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char *str; |
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str = json_token2str(jstr, tok); |
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if (!str) |
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return 0; |
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ret = strtol(str, NULL, 0); |
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e_free(str); |
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return ret; |
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} |
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/* |
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* json_token2dbl() - Return token to double |
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* |
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* @jstr = JSON string |
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* @tok = Token for convert |
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* @return number |
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*/ |
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double |
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json_token2dbl(const char *jstr, jtok_t * __restrict tok) |
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{ |
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double ret = 0; |
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char *str; |
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str = json_token2str(jstr, tok); |
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if (!str) |
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return 0; |
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ret = strtod(str, NULL); |
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e_free(str); |
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return ret; |
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} |
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|
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/* |
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* json_token2bool() - Return token to bool int |
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* |
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* @jstr = JSON string |
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* @tok = Token for convert |
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* @return 0 for FALSE and !=0 for TRUE |
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*/ |
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int |
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json_token2bool(const char *jstr, jtok_t * __restrict tok) |
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{ |
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double ret = 0; |
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char *str; |
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str = json_token2str(jstr, tok); |
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if (!str) |
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return 0; |
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switch (*str) { |
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case 't': |
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case 'T': |
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ret = 1; |
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break; |
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case 'f': |
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case 'F': |
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ret = 0; |
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break; |
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default: |
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ret = (int) strtol(str, NULL, 10); |
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break; |
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} |
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e_free(str); |
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return ret; |
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} |
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|
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/* |
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* json_findbykey() - Find token data by key |
|
* |
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* @jstr = JSON string |
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* @key = Search key |
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* @type = Search key for particular token type, if is J_UNDEF this mean any type |
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* @toks = Parsed tokens |
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* @toksnum = Number of parsed tokens |
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* return: =NULL error or !=NULL data token found |
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*/ |
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jtok_t * |
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json_findbykey(const char *jstr, const char *key, jtype_t type, jtok_t * __restrict toks, int toksnum) |
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{ |
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jtok_t *tok = NULL; |
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register int i; |
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int klen; |
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|
|
if (!jstr || !key || !toks) |
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return NULL; |
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else |
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klen = strlen(key); |
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|
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for (i = 1; i < toksnum; i++) { |
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if (toks[i].tok_type == J_STRING && toks[i].tok_size == 1 && |
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klen == toks[i].tok_end - toks[i].tok_start && |
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!strncmp(jstr + toks[i].tok_start, key, klen)) { |
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if (type != J_UNDEF) { |
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if (toks[i + 1].tok_type == type) { |
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tok = toks + i + 1; |
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break; |
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} |
|
} else { |
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tok = toks + i + 1; |
|
break; |
|
} |
|
} |
|
} |
|
|
|
return tok; |
|
} |
|
|
|
/* |
|
* json_findbypos() - Find token by position on JSON string |
|
* |
|
* @pos = Offset from begin of JSON string |
|
* @toks = Parsed tokens |
|
* @toksnum = Number of parsed tokens |
|
* return: =NULL error or !=NULL token found |
|
*/ |
|
jtok_t * |
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json_findbypos(u_long pos, jtok_t * __restrict toks, int toksnum) |
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{ |
|
jtok_t *tok = NULL; |
|
register int i; |
|
|
|
if (!toks) |
|
return NULL; |
|
|
|
for (i = 1; i < toksnum; i++) |
|
if (pos <= toks[i].tok_end && pos >= toks[i].tok_start) { |
|
tok = toks + i; |
|
break; |
|
} |
|
|
|
return tok; |
|
} |
|
|
|
/* |
|
* json_token2array() - Convert token to string array |
|
* |
|
* @jstr = JSON string |
|
* @tok = Token for convert |
|
* return: =NULL error or !=NULL allocated array with string variables, |
|
* after use should be ait_freeVars() |
|
*/ |
|
array_t * |
|
json_token2array(const char *jstr, jtok_t * __restrict tok) |
|
{ |
|
array_t *arr = NULL; |
|
register int i, j; |
|
int siz; |
|
ait_val_t *v; |
|
jtok_t *t; |
|
|
|
if (!jstr || !tok) |
|
return NULL; |
|
|
|
siz = tok->tok_size; |
|
if (!siz && json_toktype(tok) != J_ARRAY && json_toktype(tok) != J_OBJECT) |
|
siz++; |
|
|
|
arr = ait_allocVars(siz); |
|
if (!arr) |
|
return NULL; |
|
|
|
if (tok->tok_type == J_STRING || tok->tok_type == J_VALUE) { |
|
v = ait_getVars(&arr, 0); |
|
AIT_SET_STRSIZ(v, json_toklen(tok) + 1); |
|
if (AIT_GET_STR(v)) { |
|
json_tokstrcpy(AIT_GET_STR(v), jstr, tok); |
|
} else { |
|
ait_freeVar(&v); |
|
} |
|
} else if (tok->tok_type == J_ARRAY) { |
|
for (i = 0, j = 1; i < tok->tok_size; i++) { |
|
t = &tok[i + j]; |
|
v = ait_getVars(&arr, i); |
|
AIT_SET_STRSIZ(v, json_toklen(t) + 1); |
|
if (AIT_GET_STR(v)) { |
|
json_tokstrcpy(AIT_GET_STR(v), jstr, t); |
|
} else { |
|
ait_freeVar(&v); |
|
} |
|
|
|
/* if there we have array from objects should parse all object tokens */ |
|
while (i < tok->tok_size - 1 && tok->tok_idx != tok[i + j + 1].tok_parent) |
|
j++; |
|
} |
|
} else if (tok->tok_type == J_OBJECT) { |
|
for (i = 0; tok->tok_idx <= tok[i + 1].tok_parent; i++) { |
|
t = &tok[i + 1]; |
|
v = ait_getVars(&arr, i); |
|
AIT_SET_STRSIZ(v, json_toklen(t) + 1); |
|
if (AIT_GET_STR(v)) { |
|
json_tokstrcpy(AIT_GET_STR(v), jstr, t); |
|
} else { |
|
ait_freeVar(&v); |
|
} |
|
} |
|
} else { |
|
elwix_SetErr(J_ERR_PARAM, "%s", jerrstr[J_ERR_PARAM]); |
|
ait_freeVars(&arr); |
|
return NULL; |
|
} |
|
|
|
return arr; |
|
} |
|
|
|
|
|
|
|
/* |
|
* json_add_begin_object() - Adds begin of object { |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @wspace = whitespace include |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_begin_object(char * __restrict jstr, int jlen, int wspace) |
|
{ |
|
int len; |
|
size_t eos; |
|
|
|
if (!jstr) |
|
return -1; |
|
else |
|
eos = strlen(jstr); |
|
|
|
|
|
if (wspace) |
|
len = strlcat(jstr, "{ ", jlen); |
|
else |
|
len = strlcat(jstr, "{", jlen); |
|
|
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_add_end_object() - Adds end of object } |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @wspace = whitespace include |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_end_object(char * __restrict jstr, int jlen, int wspace) |
|
{ |
|
int len; |
|
size_t eos; |
|
|
|
if (!jstr) |
|
return -1; |
|
else |
|
eos = strlen(jstr); |
|
|
|
if (wspace) |
|
len = strlcat(jstr, " }", jlen); |
|
else |
|
len = strlcat(jstr, "}", jlen); |
|
|
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_add_begin_array() - Adds begin of array [ |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @wspace = whitespace include |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_begin_array(char * __restrict jstr, int jlen, int wspace) |
|
{ |
|
int len; |
|
size_t eos; |
|
|
|
if (!jstr) |
|
return -1; |
|
else |
|
eos = strlen(jstr); |
|
|
|
if (wspace) |
|
len = strlcat(jstr, "[ ", jlen); |
|
else |
|
len = strlcat(jstr, "[", jlen); |
|
|
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_add_end_array() - Adds end of array ] |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @wspace = whitespace include |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_end_array(char * __restrict jstr, int jlen, int wspace) |
|
{ |
|
int len; |
|
size_t eos; |
|
|
|
if (!jstr) |
|
return -1; |
|
else |
|
eos = strlen(jstr); |
|
|
|
if (wspace) |
|
len = strlcat(jstr, " ]", jlen); |
|
else |
|
len = strlcat(jstr, "]", jlen); |
|
|
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_add_char() - Adds character |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @ch = Character |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_char(char * __restrict jstr, int jlen, u_char ch) |
|
{ |
|
int len; |
|
|
|
if (!jstr) |
|
return -1; |
|
|
|
len = strlen(jstr) + 1; |
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
return -1; |
|
} else { |
|
jstr[len++] = (char) ch; |
|
jstr[len] = 0; |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_add_colon() - Adds key/value pair delimiter colon : |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @wspace = whitespace include |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_colon(char * __restrict jstr, int jlen, int wspace) |
|
{ |
|
int len; |
|
size_t eos; |
|
|
|
if (!jstr) |
|
return -1; |
|
else |
|
eos = strlen(jstr); |
|
|
|
if (wspace) |
|
len = strlcat(jstr, ": ", jlen); |
|
else |
|
len = strlcat(jstr, ":", jlen); |
|
|
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_add_comma() - Adds value delimiter comma , |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @wspace = whitespace include |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_comma(char * __restrict jstr, int jlen, int wspace) |
|
{ |
|
int len; |
|
size_t eos; |
|
|
|
if (!jstr) |
|
return -1; |
|
else |
|
eos = strlen(jstr); |
|
|
|
if (wspace) |
|
len = strlcat(jstr, ", ", jlen); |
|
else |
|
len = strlcat(jstr, ",", jlen); |
|
|
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_add_string() - Adds string |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @unquot = Unquoted string |
|
* @str = String, it can't be NULL |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_string(char * __restrict jstr, int jlen, int unquot, const char *str) |
|
{ |
|
int len; |
|
size_t eos; |
|
|
|
if (!jstr || !str) |
|
return -1; |
|
else |
|
eos = strlen(jstr); |
|
|
|
if (!unquot) { |
|
len = strlcat(jstr, "\"", jlen); |
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
} |
|
len = strlcat(jstr, str, jlen); |
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
if (!unquot) { |
|
len = strlcat(jstr, "\"", jlen); |
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_add_value() - Adds value |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @unquot = Unquoted number |
|
* @num = Number |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_value(char * __restrict jstr, int jlen, int unquot, long num) |
|
{ |
|
int len; |
|
char wrk[STRSIZ] = { [0 ... STRSIZ - 1] = 0 }; |
|
size_t eos; |
|
|
|
if (!jstr) |
|
return -1; |
|
else |
|
eos = strlen(jstr); |
|
|
|
if (!unquot) { |
|
len = strlcat(jstr, "\"", jlen); |
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
} |
|
snprintf(wrk, sizeof wrk, "%ld", num); |
|
len = strlcat(jstr, wrk, jlen); |
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
if (!unquot) { |
|
len = strlcat(jstr, "\"", jlen); |
|
if (len >= jlen) { |
|
elwix_SetErr(J_ERR_NOMEM, "%s", jerrstr[J_ERR_NOMEM]); |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_add_pair() - Adds key/value pair |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @wspace = whitespace include |
|
* @key = Key string |
|
* @val = Value string |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_pair(char * __restrict jstr, int jlen, int wspace, const char *key, const char *val) |
|
{ |
|
int len = -1; |
|
size_t eos; |
|
|
|
if (!jstr || !key || !val) |
|
return -1; |
|
else |
|
eos = strlen(jstr); |
|
|
|
if (json_add_string(jstr, jlen, 0, key) == -1) { |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
if (json_add_colon(jstr, jlen, wspace) == -1) { |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
if ((len = json_add_string(jstr, jlen, 0, val)) == -1) { |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_add_pair2() - Adds key/value pair with formated args |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @wspace = whitespace include |
|
* @key = Key string |
|
* @fmt = Format string for values |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_pair2(char * __restrict jstr, int jlen, int wspace, const char *key, const char *fmt, ...) |
|
{ |
|
int len = -1; |
|
size_t eos; |
|
va_list lst; |
|
char szStr[BUFSIZ] = { [0 ... BUFSIZ - 1] = 0 }; |
|
|
|
if (!jstr || !key || !fmt) |
|
return -1; |
|
else |
|
eos = strlen(jstr); |
|
|
|
if (json_add_string(jstr, jlen, 0, key) == -1) { |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
if (json_add_colon(jstr, jlen, wspace) == -1) { |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
va_start(lst, fmt); |
|
vsnprintf(szStr, sizeof szStr, fmt, lst); |
|
va_end(lst); |
|
if ((len = json_add_string(jstr, jlen, 0, szStr)) == -1) { |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_add_array() - Adds array |
|
* |
|
* @jstr = JSON string |
|
* @jlen = JSON string length |
|
* @wspace = whitespace include |
|
* @arr = Array with variables |
|
* return: -1 error or !=-1 actual JSON string length |
|
*/ |
|
int |
|
json_add_array(char * __restrict jstr, int jlen, int wspace, array_t * __restrict arr) |
|
{ |
|
int len = -1; |
|
register int i; |
|
ait_val_t *v; |
|
size_t eos; |
|
|
|
if (!jstr || !arr) |
|
return -1; |
|
else |
|
eos = strlen(jstr); |
|
|
|
if (json_add_begin_array(jstr, jlen, wspace) == -1) { |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
for (i = 0; i < array_Size(arr); i++) { |
|
v = array(arr, i, ait_val_t*); |
|
if (v) { |
|
if (AIT_TYPE(v) == string) { |
|
if (json_add_string(jstr, jlen, 0, AIT_GET_STR(v)) == -1) { |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
} else { |
|
if (json_add_value(jstr, jlen, 0, AIT_GET_LIKE(v, long)) == -1) { |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
} |
|
if (i < array_Size(arr) - 1 && json_add_comma(jstr, jlen, wspace) == -1) { |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
} |
|
} |
|
if ((len = json_add_end_array(jstr, jlen, wspace)) == -1) { |
|
jstr[eos] = 0; |
|
return -1; |
|
} |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
* json_dump_yaml() - Dump parsed JSON string to YAML format |
|
* |
|
* @f = Output handler |
|
* @jstr = JSON string |
|
* @toks = JSON tokens |
|
* @toksnum = Number of tokens |
|
* @indent = Start indent spaces |
|
* return: 0 done and 1 added one more item |
|
*/ |
|
int |
|
json_dump_yaml(FILE *f, const char *jstr, jtok_t *toks, int toksnum, int indent) |
|
{ |
|
register int i, j, k; |
|
|
|
if (!toksnum || !toks) |
|
return 0; |
|
|
|
if (toks->tok_type == J_VALUE) { |
|
fprintf(f, "%.*s", (int) json_toklen(toks), json_tokstr(jstr, toks)); |
|
return 1; |
|
} else if (toks->tok_type == J_STRING) { |
|
fprintf(f, "%.*s", (int) json_toklen(toks), json_tokstr(jstr, toks)); |
|
return 1; |
|
} else if (toks->tok_type == J_OBJECT) { |
|
fprintf(f, "\n"); |
|
for (j = i = 0; i < json_toksize(toks); i++) { |
|
for (k = 0; k < indent; k++) |
|
fprintf(f, " "); |
|
j += json_dump_yaml(f, jstr, toks + j + 1, toksnum - j, indent + 1); |
|
fprintf(f, ": "); |
|
j += json_dump_yaml(f, jstr, toks + j + 1, toksnum - j, indent + 1); |
|
fprintf(f, "\n"); |
|
} |
|
return j + 1; |
|
} else if (toks->tok_type == J_ARRAY) { |
|
fprintf(f, "\n"); |
|
for (j = i = 0; i < json_toksize(toks); i++) { |
|
for (k = 0; k < indent - 1; k++) |
|
fprintf(f, " "); |
|
fprintf(f, " - "); |
|
j += json_dump_yaml(f, jstr, toks + j + 1, toksnum - j, indent + 1); |
|
fprintf(f, "\n"); |
|
} |
|
return j + 1; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
* json_dump() - Dump parsed JSON string to structure format |
|
* |
|
* @f = Output handler |
|
* @jstr = JSON string |
|
* @toks = JSON tokens |
|
* @toksnum = Number of tokens |
|
* @indent = Start indent spaces |
|
* return: 0 done and 1 added one more item |
|
*/ |
|
int |
|
json_dump(FILE *f, const char *jstr, jtok_t *toks, int toksnum, int indent) |
|
{ |
|
register int i, j, k; |
|
|
|
if (!toksnum) |
|
return 0; |
|
|
|
if (toks->tok_type == J_VALUE) { |
|
fprintf(f, "[idx=%ld type=VALUE start=%ld end=%ld size=%ld parent=%ld] = %.*s", |
|
toks->tok_idx, toks->tok_start, toks->tok_end, toks->tok_size, toks->tok_parent, |
|
(int) json_toklen(toks), json_tokstr(jstr, toks)); |
|
return 1; |
|
} else if (toks->tok_type == J_STRING) { |
|
fprintf(f, "[idx=%ld type=STRING start=%ld end=%ld size=%ld parent=%ld] = %.*s", |
|
toks->tok_idx, toks->tok_start, toks->tok_end, toks->tok_size, toks->tok_parent, |
|
(int) json_toklen(toks), json_tokstr(jstr, toks)); |
|
return 1; |
|
} else if (toks->tok_type == J_OBJECT) { |
|
fprintf(f, "\n"); |
|
fprintf(f, "object:: [idx=%ld type=OBJECT start=%ld end=%ld size=%ld parent=%ld]\n", |
|
toks->tok_idx, toks->tok_start, toks->tok_end, toks->tok_size, toks->tok_parent); |
|
for (j = i = 0; i < json_toksize(toks); i++) { |
|
for (k = 0; k < indent; k++) |
|
fprintf(f, " "); |
|
j += json_dump(f, jstr, toks + j + 1, toksnum - j, indent + 1); |
|
fprintf(f, ": "); |
|
j += json_dump(f, jstr, toks + j + 1, toksnum - j, indent + 1); |
|
fprintf(f, "\n"); |
|
} |
|
return j + 1; |
|
} else if (toks->tok_type == J_ARRAY) { |
|
fprintf(f, "\n"); |
|
fprintf(f, "array[] [idx=%ld type=ARRAY start=%ld end=%ld size=%ld parent=%ld]", |
|
toks->tok_idx, toks->tok_start, toks->tok_end, toks->tok_size, toks->tok_parent); |
|
for (j = i = 0; i < json_toksize(toks); i++) { |
|
for (k = 0; k < indent - 1; k++) |
|
fprintf(f, " "); |
|
j += json_dump(f, jstr, toks + j + 1, toksnum - j, indent + 1); |
|
fprintf(f, "\n"); |
|
} |
|
return j + 1; |
|
} |
|
|
|
return 0; |
|
} |