blob: 01908660f33914784b9f37953c832655c8ad6cb2 (
plain) (
blame)
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
|
#include "helpers.h"
#include <util/string/ascii.h>
namespace NUnifiedAgent::NPrivate {
bool IsUtf8(const THashMap<TString, TString>& meta) {
for (const auto& p : meta) {
if (!IsUtf(p.first) || !IsUtf(p.second)) {
return false;
}
}
return true;
}
ResultReplacingNonUTF ReplaceNonUTF(TStringBuf message, char signBrokenSymbol, size_t maxSize) {
ResultReplacingNonUTF result;
if (maxSize == 0) {
result.IsTruncated = !message.empty();
return result;
}
if (message.empty()) {
return result;
}
auto currentPoint = reinterpret_cast<const unsigned char*>(&message[0]);
auto endPoint = currentPoint + message.size();
auto pushSignBroken = [&result, signBrokenSymbol]() {
if (result.Data.empty() || result.Data.back() != signBrokenSymbol) {
result.Data.push_back(signBrokenSymbol);
}
++result.BrokenCount;
};
while (currentPoint < endPoint) {
wchar32 rune = 0;
size_t rune_len = 0;
auto statusRead = SafeReadUTF8Char(rune, rune_len, currentPoint, endPoint);
if (statusRead == RECODE_OK) {
if (rune_len == 1 && !IsAsciiAlnum(*currentPoint) && !IsAsciiPunct(*currentPoint) && !IsAsciiSpace(*currentPoint)) {
++currentPoint;
pushSignBroken();
} else {
while (rune_len != 0) {
result.Data.push_back(*currentPoint);
++currentPoint;
--rune_len;
}
}
} else if (statusRead == RECODE_BROKENSYMBOL) {
++currentPoint;
pushSignBroken();
} else {
pushSignBroken();
break;
}
if (result.Data.size() >= maxSize && currentPoint < endPoint) {
result.IsTruncated = true;
break;
}
}
return result;
}
}
|
