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ircd::json: Add a validator suite.

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This commit is contained in:
Jason Volk 2017-11-26 12:57:46 -07:00
parent b17293ee86
commit 0e2fe01426
2 changed files with 29 additions and 0 deletions
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4
include/ircd/json/json.h
View file

@ -74,6 +74,10 @@ namespace ircd::json
struct string;
using members = std::initializer_list<member>;
// Validate JSON - checks if canonical value.
bool valid(const string_view &, std::nothrow_t) noexcept;
void valid(const string_view &);
}
/// Strong type representing quoted strings in JSON (which may be unquoted

25
ircd/json.cc
View file

@ -1486,6 +1486,31 @@ ircd::json::operator==(const value &a, const value &b)
// json.h
//
bool
ircd::json::valid(const string_view &s,
std::nothrow_t)
noexcept try
{
const char *start(begin(s)), *const stop(end(s));
return qi::parse(start, stop, parser.value >> eoi);
}
catch(...)
{
return false;
}
void
ircd::json::valid(const string_view &s)
try
{
const char *start(begin(s)), *const stop(end(s));
qi::parse(start, stop, eps > (parser.value >> eoi));
}
catch(const qi::expectation_failure<const char *> &e)
{
throw expectation_failure(begin(s), e);
}
ircd::string_view
ircd::json::stringify(mutable_buffer &buf,
const string_view &v)