mirror of
https://github.com/MariaDB/server.git
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102 lines
3.2 KiB
C++
102 lines
3.2 KiB
C++
/* Copyright (c) 2016, 2022, MariaDB Corporation.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include "mariadb.h"
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#include "sql_class.h"
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#include "sql_parse.h" // For check_stack_overrun
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#include <m_string.h>
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#include "json_schema_helper.h"
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bool json_key_equals(const char* key, LEX_CSTRING val, int key_len)
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{
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return (size_t)key_len == val.length && !strncmp(key, val.str, key_len);
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}
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bool json_assign_type(uint *curr_type, json_engine_t *je)
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{
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const char* curr_value= (const char*)je->value;
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int len= je->value_len;
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if (json_key_equals(curr_value, { STRING_WITH_LEN("number") }, len))
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*curr_type|= (1 << JSON_VALUE_NUMBER);
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else if(json_key_equals(curr_value, { STRING_WITH_LEN("string") }, len))
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*curr_type|= (1 << JSON_VALUE_STRING);
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else if(json_key_equals(curr_value, { STRING_WITH_LEN("array") }, len))
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*curr_type|= (1 << JSON_VALUE_ARRAY);
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else if(json_key_equals(curr_value, { STRING_WITH_LEN("object") }, len))
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*curr_type|= (1 << JSON_VALUE_OBJECT);
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else if (json_key_equals(curr_value, { STRING_WITH_LEN("boolean") }, len))
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*curr_type|= ((1 << JSON_VALUE_TRUE) | (1 << JSON_VALUE_FALSE));
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else if (json_key_equals(curr_value, { STRING_WITH_LEN("null") }, len))
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*curr_type|= (1 << JSON_VALUE_NULL);
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else
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{
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my_error(ER_JSON_INVALID_VALUE_FOR_KEYWORD, MYF(0), "type");
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return true;
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}
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return false;
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}
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const uchar *get_key_name(const void *key_name_, size_t *length, my_bool)
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{
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auto key_name= static_cast<const char *>(key_name_);
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*length= strlen(key_name);
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return reinterpret_cast<const uchar *>(key_name);
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}
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void json_get_normalized_string(json_engine_t *je, String *res,
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int *error)
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{
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char *val_begin= (char*)je->value, *val_end= NULL;
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String val("",0,je->s.cs);
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DYNAMIC_STRING a_res;
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if (init_dynamic_string(&a_res, NULL, 0, 0))
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goto error;
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if (!json_value_scalar(je))
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{
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if (json_skip_level(je))
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goto error;
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}
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val_end= json_value_scalar(je) ? val_begin+je->value_len :
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(char *)je->s.c_str;
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val.set((const char*)val_begin, val_end-val_begin, je->s.cs);
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if (je->value_type == JSON_VALUE_NUMBER ||
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je->value_type == JSON_VALUE_ARRAY ||
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je->value_type == JSON_VALUE_OBJECT)
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{
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if (json_normalize(&a_res, (const char*)val.ptr(),
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val_end-val_begin, je->s.cs))
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goto error;
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}
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else if(je->value_type == JSON_VALUE_STRING)
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{
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strncpy((char*)a_res.str, val.ptr(), je->value_len);
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a_res.length= je->value_len;
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}
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res->append(a_res.str, a_res.length, je->s.cs);
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*error= 0;
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error:
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dynstr_free(&a_res);
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return;
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}
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