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template specialized Hash functions for 16-bit hash types (#4631)

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added access to HashFunction for 16 bit
This commit is contained in:
Christian Helmich
2018-02-24 03:29:37 +09:00
committed by Wouter van Oortmerssen
parent b24c0b07a3
commit 6e2e909b5c
3 changed files with 62 additions and 6 deletions
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19
src/flathash.cpp
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@@ -26,8 +26,15 @@ int main(int argc, char *argv[]) {
const char *name = argv[0];
if (argc <= 1) {
printf("%s HASH [OPTION]... STRING... [-- STRING...]\n", name);
printf("Available hashing algorithms:\n 32 bit:\n");
size_t size = sizeof(flatbuffers::kHashFunctions32) /
printf("Available hashing algorithms:\n");
printf(" 16 bit:\n");
size_t size = sizeof(flatbuffers::kHashFunctions16) /
sizeof(flatbuffers::kHashFunctions16[0]);
for (size_t i = 0; i < size; ++i) {
printf(" * %s\n", flatbuffers::kHashFunctions16[i].name);
}
printf(" 32 bit:\n");
size = sizeof(flatbuffers::kHashFunctions32) /
sizeof(flatbuffers::kHashFunctions32[0]);
for (size_t i = 0; i < size; ++i) {
printf(" * %s\n", flatbuffers::kHashFunctions32[i].name);
@@ -48,12 +55,14 @@ int main(int argc, char *argv[]) {
const char *hash_algorithm = argv[1];
flatbuffers::NamedHashFunction<uint16_t>::HashFunction hash_function16 =
flatbuffers::FindHashFunction16(hash_algorithm);
flatbuffers::NamedHashFunction<uint32_t>::HashFunction hash_function32 =
flatbuffers::FindHashFunction32(hash_algorithm);
flatbuffers::NamedHashFunction<uint64_t>::HashFunction hash_function64 =
flatbuffers::FindHashFunction64(hash_algorithm);
if (!hash_function32 && !hash_function64) {
if (!hash_function16 && !hash_function32 && !hash_function64) {
printf("\"%s\" is not a known hash algorithm.\n", hash_algorithm);
return 0;
}
@@ -87,7 +96,9 @@ int main(int argc, char *argv[]) {
ss << std::hex;
ss << "0x";
}
if (hash_function32)
if (hash_function16)
ss << hash_function16(arg);
else if (hash_function32)
ss << hash_function32(arg);
else if (hash_function64)
ss << hash_function64(arg);