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🔨 added SAX-DOM-Parser

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Niels Lohmann 2018-03-05 21:06:00 +01:00
parent 9d27429527
commit 5b9d03cfdb
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GPG key ID: 7F3CEA63AE251B69
5 changed files with 325 additions and 124 deletions
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56
benchmarks/src/benchmarks.cpp
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@ -37,6 +37,35 @@ BENCHMARK_CAPTURE(ParseFile, signed_ints, "data/numbers/signed_ints.json");
BENCHMARK_CAPTURE(ParseFile, unsigned_ints, "data/numbers/unsigned_ints.json");
static void ParseFileSax(benchmark::State& state, const char* filename)
{
while (state.KeepRunning())
{
state.PauseTiming();
auto* f = new std::ifstream(filename);
auto* sdp = new nlohmann::json_sax_dom_parser<json>();
state.ResumeTiming();
json::sax_parse(*f, sdp);
state.PauseTiming();
delete f;
delete sdp;
state.ResumeTiming();
}
std::ifstream file(filename, std::ios::binary | std::ios::ate);
state.SetBytesProcessed(state.iterations() * file.tellg());
}
BENCHMARK_CAPTURE(ParseFileSax, jeopardy, "data/jeopardy/jeopardy.json");
BENCHMARK_CAPTURE(ParseFileSax, canada, "data/nativejson-benchmark/canada.json");
BENCHMARK_CAPTURE(ParseFileSax, citm_catalog, "data/nativejson-benchmark/citm_catalog.json");
BENCHMARK_CAPTURE(ParseFileSax, twitter, "data/nativejson-benchmark/twitter.json");
BENCHMARK_CAPTURE(ParseFileSax, floats, "data/numbers/floats.json");
BENCHMARK_CAPTURE(ParseFileSax, signed_ints, "data/numbers/signed_ints.json");
BENCHMARK_CAPTURE(ParseFileSax, unsigned_ints, "data/numbers/unsigned_ints.json");
//////////////////////////////////////////////////////////////////////////////
// parse JSON from string
//////////////////////////////////////////////////////////////////////////////
@ -69,6 +98,33 @@ BENCHMARK_CAPTURE(ParseString, floats, "data/numbers/floats.json");
BENCHMARK_CAPTURE(ParseString, signed_ints, "data/numbers/signed_ints.json");
BENCHMARK_CAPTURE(ParseString, unsigned_ints, "data/numbers/unsigned_ints.json");
static void ParseStringSax(benchmark::State& state, const char* filename)
{
std::ifstream f(filename);
std::string str((std::istreambuf_iterator<char>(f)), std::istreambuf_iterator<char>());
while (state.KeepRunning())
{
state.PauseTiming();
auto* sdp = new nlohmann::json_sax_dom_parser<json>();
state.ResumeTiming();
json::sax_parse(str, sdp);
state.PauseTiming();
delete sdp;
state.ResumeTiming();
}
state.SetBytesProcessed(state.iterations() * str.size());
}
BENCHMARK_CAPTURE(ParseStringSax, jeopardy, "data/jeopardy/jeopardy.json");
BENCHMARK_CAPTURE(ParseStringSax, canada, "data/nativejson-benchmark/canada.json");
BENCHMARK_CAPTURE(ParseStringSax, citm_catalog, "data/nativejson-benchmark/citm_catalog.json");
BENCHMARK_CAPTURE(ParseStringSax, twitter, "data/nativejson-benchmark/twitter.json");
BENCHMARK_CAPTURE(ParseStringSax, floats, "data/numbers/floats.json");
BENCHMARK_CAPTURE(ParseStringSax, signed_ints, "data/numbers/signed_ints.json");
BENCHMARK_CAPTURE(ParseStringSax, unsigned_ints, "data/numbers/unsigned_ints.json");
//////////////////////////////////////////////////////////////////////////////
// serialize JSON