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Use append_utf8_character_unsafe in json_string_decode.

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This commit is contained in:
levlam 2023-08-08 16:33:37 +03:00
parent 7887bbdb35
commit 7532774bf0
1 changed files with 4 additions and 19 deletions
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23
tdutils/td/utils/JsonBuilder.cpp
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@ -9,8 +9,7 @@
#include "td/utils/misc.h"
#include "td/utils/ScopeGuard.h"
#include "td/utils/SliceBuilder.h"
#include <cstring>
#include "td/utils/utf8.h"
namespace td {
@ -185,7 +184,7 @@ Result<MutableSlice> json_string_decode(Parser &parser) {
if (cur_src + 4 > end) {
return Status::Error("\\u has less than 4 symbols");
}
int num = 0;
uint32 num = 0;
for (int i = 0; i < 4; i++, cur_src++) {
int d = hex_to_int(*cur_src);
if (d == 16) {
@ -212,21 +211,7 @@ Result<MutableSlice> json_string_decode(Parser &parser) {
}
}
if (num < 128) {
*cur_dest++ = static_cast<char>(num);
} else if (num < 0x800) {
*cur_dest++ = static_cast<char>(0xc0 + (num >> 6));
*cur_dest++ = static_cast<char>(0x80 + (num & 63));
} else if (num <= 0xffff) {
*cur_dest++ = static_cast<char>(0xe0 + (num >> 12));
*cur_dest++ = static_cast<char>(0x80 + ((num >> 6) & 63));
*cur_dest++ = static_cast<char>(0x80 + (num & 63));
} else {
*cur_dest++ = static_cast<char>(0xf0 + (num >> 18));
*cur_dest++ = static_cast<char>(0x80 + ((num >> 12) & 63));
*cur_dest++ = static_cast<char>(0x80 + ((num >> 6) & 63));
*cur_dest++ = static_cast<char>(0x80 + (num & 63));
}
cur_dest = append_utf8_character_unsafe(cur_dest, num);
break;
}
default:
@ -337,7 +322,7 @@ Result<JsonValue> do_json_decode(Parser &parser, int32 max_depth) {
case '[': {
parser.skip('[');
parser.skip_whitespaces();
std::vector<JsonValue> res;
vector<JsonValue> res;
if (parser.try_skip(']')) {
return JsonValue::create_array(std::move(res));
}