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
|
#pragma once
#include <cstdio>
namespace simdutf {
namespace tests {
namespace reference {
namespace utf32 {
enum class Error { too_large, forbidden_range };
template <typename CONSUMER, typename ERROR_HANDLER>
bool decode(const char32_t *codepoints, size_t size, CONSUMER consumer,
ERROR_HANDLER error_handler) {
const char32_t *curr = codepoints;
const char32_t *end = codepoints + size;
while (curr != end) {
const uint32_t word = *curr;
if (word > 0x10FFFF) {
if (!error_handler(codepoints, curr, Error::too_large))
return false;
continue;
}
if (word >= 0xD800 && word <= 0xDFFF) { // required the next word, but we're
// already at the end of data
if (!error_handler(codepoints, curr, Error::forbidden_range))
return false;
break;
}
consumer(word);
curr++;
}
return true;
}
} // namespace utf32
} // namespace reference
} // namespace tests
} // namespace simdutf
|
