1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/* Copyright (c) 2016, 2022, MariaDB Corporation.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include "mariadb.h"
#include "sql_class.h"
#include "sql_parse.h" // For check_stack_overrun
#include <m_string.h>
#include "json_schema_helper.h"
bool json_key_equals(const char* key, LEX_CSTRING val, int key_len)
{
return (size_t)key_len == val.length && !strncmp(key, val.str, key_len);
}
bool json_assign_type(uint *curr_type, json_engine_t *je)
{
const char* curr_value= (const char*)je->value;
int len= je->value_len;
if (json_key_equals(curr_value, { STRING_WITH_LEN("number") }, len))
*curr_type|= (1 << JSON_VALUE_NUMBER);
else if(json_key_equals(curr_value, { STRING_WITH_LEN("string") }, len))
*curr_type|= (1 << JSON_VALUE_STRING);
else if(json_key_equals(curr_value, { STRING_WITH_LEN("array") }, len))
*curr_type|= (1 << JSON_VALUE_ARRAY);
else if(json_key_equals(curr_value, { STRING_WITH_LEN("object") }, len))
*curr_type|= (1 << JSON_VALUE_OBJECT);
else if (json_key_equals(curr_value, { STRING_WITH_LEN("boolean") }, len))
*curr_type|= ((1 << JSON_VALUE_TRUE) | (1 << JSON_VALUE_FALSE));
else if (json_key_equals(curr_value, { STRING_WITH_LEN("null") }, len))
*curr_type|= (1 << JSON_VALUE_NULL);
else
{
my_error(ER_JSON_INVALID_VALUE_FOR_KEYWORD, MYF(0), "type");
return true;
}
return false;
}
uchar* get_key_name(const char *key_name, size_t *length,
my_bool /* unused */)
{
*length= strlen(key_name);
return (uchar*) key_name;
}
void json_get_normalized_string(json_engine_t *je, String *res,
int *error)
{
char *val_begin= (char*)je->value, *val_end= NULL;
String val("",0,je->s.cs);
DYNAMIC_STRING a_res;
if (init_dynamic_string(&a_res, NULL, 0, 0))
goto error;
if (!json_value_scalar(je))
{
if (json_skip_level(je))
goto error;
}
val_end= json_value_scalar(je) ? val_begin+je->value_len :
(char *)je->s.c_str;
val.set((const char*)val_begin, val_end-val_begin, je->s.cs);
if (je->value_type == JSON_VALUE_NUMBER ||
je->value_type == JSON_VALUE_ARRAY ||
je->value_type == JSON_VALUE_OBJECT)
{
if (json_normalize(&a_res, (const char*)val.ptr(),
val_end-val_begin, je->s.cs))
goto error;
}
else if(je->value_type == JSON_VALUE_STRING)
{
strncpy((char*)a_res.str, val.ptr(), je->value_len);
a_res.length= je->value_len;
}
res->append(a_res.str, a_res.length, je->s.cs);
*error= 0;
error:
dynstr_free(&a_res);
return;
}
|
