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/*
* Phusion Passenger - https://www.phusionpassenger.com/
* Copyright (c) 2017 Phusion Holding B.V.
*
* "Passenger", "Phusion Passenger" and "Union Station" are registered
* trademarks of Phusion Holding B.V.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef _PASSENGER_CONFIG_KIT_TRANSLATOR_H_
#define _PASSENGER_CONFIG_KIT_TRANSLATOR_H_
#include <boost/bind.hpp>
#include <string>
#include <vector>
#include <ConfigKit/Common.h>
#include <StaticString.h>
#include <jsoncpp/json.h>
namespace Passenger {
namespace ConfigKit {
using namespace std;
/**
* An abstract base class for all translators.
*
* You can learn more about translators in the ConfigKit README, section
* "The special problem of overlapping configuration names and translation".
*/
class Translator {
private:
string translateErrorKey(const StaticString &key) const {
return "{{" + translateOne(key) + "}}";
}
string reverseTranslateErrorKey(const StaticString &key) const {
return "{{" + reverseTranslateOne(key) + "}}";
}
public:
virtual ~Translator() { }
virtual Json::Value translate(const Json::Value &doc) const {
Json::Value result(Json::objectValue);
Json::Value::const_iterator it, end = doc.end();
for (it = doc.begin(); it != end; it++) {
const char *keyEnd;
const char *key = it.memberName(&keyEnd);
result[translateOne(StaticString(key, keyEnd - key))] = *it;
}
return result;
}
virtual Json::Value reverseTranslate(const Json::Value &doc) const {
Json::Value result(Json::objectValue);
Json::Value::const_iterator it, end = doc.end();
for (it = doc.begin(); it != end; it++) {
const char *keyEnd;
const char *key = it.memberName(&keyEnd);
result[reverseTranslateOne(StaticString(key, keyEnd - key))] = *it;
}
return result;
}
virtual vector<Error> translate(const vector<Error> &errors) const {
vector<Error> result;
vector<Error>::const_iterator it, end = errors.end();
Error::KeyProcessor keyProcessor =
boost::bind(&Translator::translateErrorKey, this,
boost::placeholders::_1);
for (it = errors.begin(); it != end; it++) {
const Error &error = *it;
result.push_back(Error(error.getMessage(keyProcessor)));
}
return result;
}
virtual vector<Error> reverseTranslate(const vector<Error> &errors) const {
vector<Error> result;
vector<Error>::const_iterator it, end = errors.end();
Error::KeyProcessor keyProcessor =
boost::bind(&Translator::reverseTranslateErrorKey, this,
boost::placeholders::_1);
for (it = errors.begin(); it != end; it++) {
const Error &error = *it;
result.push_back(Error(error.getMessage(keyProcessor)));
}
return result;
}
virtual string translateOne(const StaticString &key) const = 0;
virtual string reverseTranslateOne(const StaticString &key) const = 0;
};
} // namespace ConfigKit
} // namespace Passenger
#endif /* _PASSENGER_CONFIG_KIT_TRANSLATOR_H_ */
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