Files
scylladb/json/formatter.cc
Amnon Heiman 1866091b3d Adding basic json support
This is a migration of the basic json support taken from the
osv/httpserver.

The routes uses the json object to return errors in a json format.

This also adds json_exception which has a constructor from an exception.

Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
2015-03-08 21:55:57 +02:00

81 lines
1.9 KiB
C++

/*
* This file is open source software, licensed to you under the terms
* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. You may not use this file except in compliance with the License.
*
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* Copyright 2015 Cloudius Systems
*/
#include "formatter.hh"
#include "json_elements.hh"
#include <float.h>
#include <boost/math/special_functions/fpclassify.hpp>
using namespace std;
namespace json {
sstring formatter::to_json(const sstring& str) {
return to_json(str.c_str());
}
sstring formatter::to_json(const char* str) {
sstring res = "\"";
res += str;
res += "\"";
return res;
}
sstring formatter::to_json(int n) {
return to_string(n);
}
sstring formatter::to_json(long n) {
return to_string(n);
}
sstring formatter::to_json(float f) {
int inf;
if ((inf = boost::math::isinf(f))) {
f = inf * FLT_MAX;
} else if (boost::math::isnan(f)) {
f = 0;
}
return to_string(f);
}
sstring formatter::to_json(bool b) {
return (b) ? "true" : "false";
}
sstring formatter::to_json(const date_time& d) {
char buff[50];
sstring res = "\"";
strftime(buff, 50, TIME_FORMAT, &d);
res += buff;
return res + "\"";
}
sstring formatter::to_json(const jsonable& obj) {
return obj.to_json();
}
sstring formatter::to_json(unsigned long l) {
return to_string(l);
}
}