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// -*- mode: C++ -*-
// AUTOGENERATED BY glean_parser. DO NOT EDIT.
/* 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/. */
#ifndef mozilla_GleanJSPingsLookup_h
#define mozilla_GleanJSPingsLookup_h
#define GLEAN_PING_INDEX_BITS (16)
#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;
static Maybe<uint32_t> ping_result_check(const nsACString& aKey, ping_entry_t aEntry);
#if defined(_MSC_VER) && !defined(__clang__)
const char gPingStringTable[] = {
#else
constexpr char gPingStringTable[] = {
#endif
/* 0 - "notBaseline" */ 'n', 'o', 't', 'B', 'a', 's', 'e', 'l', 'i', 'n', 'e', '\0',
/* 12 - "notMetrics" */ 'n', 'o', 't', 'M', 'e', 't', 'r', 'i', 'c', 's', '\0',
/* 23 - "notEvents" */ 'n', 'o', 't', 'E', 'v', 'e', 'n', 't', 's', '\0',
/* 33 - "notDeletionRequest" */ 'n', 'o', 't', 'D', 'e', 'l', 'e', 't', 'i', 'o', 'n', 'R', 'e', 'q', 'u', 'e', 's', 't', '\0',
};
const ping_entry_t sPingByNameLookupEntries[] = {
65536,
196631,
262177,
131084
};
static Maybe<uint32_t>
PingByNameLookup(const nsACString& aKey)
{
static const uint8_t BASES[] = {
0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
const char* bytes = aKey.BeginReading();
size_t length = aKey.Length();
auto& entry = mozilla::perfecthash::Lookup(bytes, length, BASES,
sPingByNameLookupEntries);
return ping_result_check(aKey, entry);
}
/**
* Get a ping's name given its entry from the PHF.
*/
static 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.
*/
static 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
#endif // mozilla_GleanJSPingsLookup_h
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