blob: 4fa43832a68e5546fb1805ba3ad4230116ded43e (
plain)
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
|
// -*- mode: C++ -*-
// AUTOGENERATED BY glean_parser. DO NOT EDIT.
{# The rendered source is autogenerated, but this
Jinja2 template is not. Please file bugs! #}
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/glean/bindings/GleanJSPingsLookup.h"
#include "mozilla/PerfectHash.h"
#include "nsString.h"
#include "mozilla/PerfectHash.h"
#define GLEAN_PING_INDEX_BITS ({{ping_index_bits}})
#define GLEAN_PING_ID(entry) ((entry) >> GLEAN_PING_INDEX_BITS)
#define GLEAN_PING_INDEX(entry) ((entry) & ((1UL << GLEAN_PING_INDEX_BITS) - 1))
namespace mozilla::glean {
// Contains the ping id and the index into the ping string table.
using ping_entry_t = uint32_t;
Maybe<uint32_t> ping_result_check(const nsACString& aKey, ping_entry_t aEntry);
{{ ping_string_table }}
{{ ping_by_name_lookup }}
/**
* Get a ping's name given its entry from the PHF.
*/
const char* GetPingName(ping_entry_t aEntry) {
uint32_t idx = GLEAN_PING_INDEX(aEntry);
MOZ_ASSERT(idx < sizeof(gPingStringTable), "Ping index larger than string table");
return &gPingStringTable[idx];
}
/**
* Check if the found entry is pointing at the correct ping.
* PHF can false-positive a result when the key isn't present, so we check
* for a string match. If it fails, return Nothing(). If we found it,
* return the ping's id.
*/
Maybe<uint32_t> ping_result_check(const nsACString& aKey, ping_entry_t aEntry) {
uint32_t idx = GLEAN_PING_INDEX(aEntry);
uint32_t id = GLEAN_PING_ID(aEntry);
if (MOZ_UNLIKELY(idx > sizeof(gPingStringTable))) {
return Nothing();
}
if (aKey.EqualsASCII(&gPingStringTable[idx])) {
return Some(id);
}
return Nothing();
}
#undef GLEAN_PING_INDEX_BITS
#undef GLEAN_PING_ID
#undef GLEAN_PING_INDEX
} // namespace mozilla::glean
|
