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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_PREFIX_TRANSLATOR_H_
#define _PASSENGER_CONFIG_KIT_PREFIX_TRANSLATOR_H_
#include <ConfigKit/Translator.h>
#include <cassert>
namespace Passenger {
namespace ConfigKit {
using namespace std;
/**
* A translator that translates keys by adding a prefix.
*
* You can learn more about translators in the ConfigKit README, section
* "The special problem of overlapping configuration names and translation".
*/
class PrefixTranslator: public Translator {
private:
string prefix;
bool finalized;
public:
PrefixTranslator()
: finalized(false)
{ }
PrefixTranslator(const string &_prefix)
: prefix(_prefix),
finalized(true)
{ }
void setPrefixAndFinalize(const string &_prefix) {
assert(!finalized);
prefix = _prefix;
finalized = true;
}
bool isFinalized() const {
return finalized;
}
virtual Json::Value translate(const Json::Value &doc) const {
assert(finalized);
return Translator::translate(doc);
}
virtual Json::Value reverseTranslate(const Json::Value &doc) const {
assert(finalized);
return Translator::reverseTranslate(doc);
}
virtual vector<Error> translate(const vector<Error> &errors) const {
assert(finalized);
return Translator::translate(errors);
}
virtual vector<Error> reverseTranslate(const vector<Error> &errors) const {
assert(finalized);
return Translator::reverseTranslate(errors);
}
virtual string translateOne(const StaticString &key) const {
assert(finalized);
if (key.substr(0, prefix.size()) == prefix) {
return key.substr(prefix.size());
} else {
return key;
}
}
virtual string reverseTranslateOne(const StaticString &key) const {
assert(finalized);
if (key.substr(0, prefix.size()) != prefix) {
return prefix + key;
} else {
return key;
}
}
};
} // namespace ConfigKit
} // namespace Passenger
#endif /* _PASSENGER_CONFIG_KIT_PREFIX_TRANSLATOR_H_ */
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