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ircd::json: Consolidate validation grammars; optimize for boolean rule.

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This commit is contained in:
Jason Volk 2020-05-14 21:14:31 -07:00
parent 005d1226b2
commit 6e89ee4289
1 changed files with 24 additions and 10 deletions
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34
ircd/json.cc
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@ -3976,6 +3976,24 @@ ircd::json::operator==(const value &a, const value &b)
// json/util.h
//
namespace ircd::json
{
[[gnu::visibility("internal")]] extern const parser::rule<> validation;
[[gnu::visibility("internal")]] extern const parser::rule<> validation_expect;
}
decltype(ircd::json::validation)
ircd::json::validation
{
parser.value(0) >> eoi
};
decltype(ircd::json::validation_expect)
ircd::json::validation_expect
{
expect[validation]
};
const ircd::string_view ircd::json::literal_null { "null" };
const ircd::string_view ircd::json::literal_true { "true" };
const ircd::string_view ircd::json::literal_false { "false" };
@ -4011,16 +4029,12 @@ ircd::json::valid(const string_view &s,
std::nothrow_t)
noexcept try
{
static const parser::rule<> validator
{
parser.value(0) >> eoi
};
const char *start(begin(s)), *const stop(end(s));
return qi::parse(start, stop, validator);
return qi::parse(start, stop, validation);
}
catch(...)
{
assert(false);
return false;
}
@ -4028,13 +4042,13 @@ void
ircd::json::valid(const string_view &s)
try
{
static const parser::rule<> validator
const char *start(begin(s)), *const stop(end(s));
const bool ret
{
eps > parser.value(0) > eoi
qi::parse(start, stop, validation_expect)
};
const char *start(begin(s)), *const stop(end(s));
qi::parse(start, stop, validator);
assert(ret);
}
catch(const qi::expectation_failure<const char *> &e)
{