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Merge pull request #5348

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59776a64 epee: some more minor JSON parsing speedup (moneromooo-monero)
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Riccardo Spagni 2019-04-06 16:00:18 +02:00
commit 38317f384c
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4 changed files with 11 additions and 8 deletions
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7
contrib/epee/include/storages/parserse_base_utils.h
View file

@ -42,13 +42,14 @@ namespace misc_utils
// 4: alpha
// 8: whitespace
// 16: allowed in float but doesn't necessarily mean it's a float
// 32: \ and " (end of verbatim string)
static const constexpr uint8_t lut[256]={
0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 8, 8, 8, 8, 0, 0, // 16
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 32
8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 16, 18, 0, // 48
8, 0, 32, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 16, 18, 0, // 48
17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 0, 0, 0, 0, 0, 0, // 64
0, 4, 4, 4, 4, 22, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, // 80
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, // 96
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 32, 0, 0, 0, // 96
0, 4, 4, 4, 4, 22, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, // 112
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, // 128
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@ -130,7 +131,7 @@ namespace misc_utils
std::string::const_iterator it = star_end_string;
++it;
std::string::const_iterator fi = it;
while (fi != buf_end && *fi != '\\' && *fi != '\"')
while (fi != buf_end && ((lut[(uint8_t)*fi] & 32)) == 0)
++fi;
val.assign(it, fi);
val.reserve(std::distance(star_end_string, buf_end));

2
contrib/epee/include/storages/portable_storage_val_converters.h
View file

@ -144,7 +144,7 @@ POP_WARNINGS
{
MTRACE("Converting std::string to uint64_t. Source: " << from);
// String only contains digits
if(std::all_of(from.begin(), from.end(), ::isdigit))
if(std::all_of(from.begin(), from.end(), epee::misc_utils::parse::isdigit))
to = boost::lexical_cast<uint64_t>(from);
// MyMonero ISO 8061 timestamp (2017-05-06T16:27:06Z)
else if (boost::regex_match (from, boost::regex("\\d{4}-[01]\\d-[0-3]\\dT[0-2]\\d:[0-5]\\d:[0-5]\\dZ")))