1866091b3d
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>
114 lines
2.6 KiB
C++
114 lines
2.6 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 "json_elements.hh"
|
|
#include <string.h>
|
|
#include <string>
|
|
#include <vector>
|
|
#include <sstream>
|
|
|
|
using namespace std;
|
|
|
|
namespace json {
|
|
|
|
/**
|
|
* The json builder is a helper class
|
|
* To help create a json object
|
|
*
|
|
*/
|
|
class json_builder {
|
|
public:
|
|
json_builder()
|
|
: first(true) {
|
|
result << OPEN;
|
|
}
|
|
|
|
/**
|
|
* add a name value to an object
|
|
* @param name the name of the element
|
|
* @param str the value already formated
|
|
*/
|
|
void add(const string& name, const string& str) {
|
|
if (first) {
|
|
first = false;
|
|
} else {
|
|
result << ", ";
|
|
}
|
|
result << '"' << name << "\": " << str;
|
|
}
|
|
|
|
/**
|
|
* add a json element to the an object
|
|
* @param element
|
|
*/
|
|
void add(json_base_element* element) {
|
|
if (element == nullptr || element->_set == false) {
|
|
return;
|
|
}
|
|
add(element->_name, element->to_string());
|
|
}
|
|
|
|
/**
|
|
* Get the string representation of the object
|
|
* @return a string of accumulative object
|
|
*/
|
|
string as_json() {
|
|
result << CLOSE;
|
|
return result.str();
|
|
}
|
|
|
|
private:
|
|
static const string OPEN;
|
|
static const string CLOSE;
|
|
|
|
stringstream result;
|
|
bool first;
|
|
|
|
};
|
|
|
|
const string json_builder::OPEN("{");
|
|
const string json_builder::CLOSE("}");
|
|
|
|
void json_base::add(json_base_element* element, string name, bool mandatory) {
|
|
element->_mandatory = mandatory;
|
|
element->_name = name;
|
|
_elements.push_back(element);
|
|
}
|
|
|
|
string json_base::to_json() const {
|
|
json_builder res;
|
|
for (auto i : _elements) {
|
|
res.add(i);
|
|
}
|
|
return res.as_json();
|
|
}
|
|
|
|
bool json_base::is_verify() const {
|
|
for (auto i : _elements) {
|
|
if (!i->is_verify()) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
}
|