hyperion.ng/include/utils/jsonschema/JsonSchemaChecker.h

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// Copyright (c) 2012 TNO, The Netherlands.
//
// This file contains information proprietary to TNO.
//
// Any disclosure or use of this information or any reproduction of this document or any part thereof for
// other than the specified purpose for which it is intended is expressly prohibited except as TNO may
// otherwise agree to in writing.
#pragma once
// stl includes
#include <string>
#include <list>
// jsoncpp includes
#include <json/json.h>
/**
* JsonSchemaChecker is a very basic implementation of json schema.
* The json schema definition draft can be found at
* http://tools.ietf.org/html/draft-zyp-json-schema-03
*
* The following keywords are supported:
* - type
* - required
* - properties
* - items
* - enum
* - minimum
* - maximum
*/
class JsonSchemaChecker
{
public:
JsonSchemaChecker();
virtual ~JsonSchemaChecker();
bool setSchema(const Json::Value & schema);
bool validate(const Json::Value & value);
const std::list<std::string> & getMessages() const;
private:
void collectReferences(const Json::Value & schema);
void validate(const Json::Value &value, const Json::Value & schema);
void setMessage(const std::string & message);
void collectDependencies(const Json::Value & value, const Json::Value &schema);
private:
// attribute check functions
void checkType(const Json::Value & value, const Json::Value & schema);
void checkProperties(const Json::Value & value, const Json::Value & schema);
void checkAdditionalProperties(const Json::Value & value, const Json::Value & schema, const Json::Value::Members & ignoredProperties);
void checkDependencies(const Json::Value & value, const Json::Value & schemaLink);
void checkMinimum(const Json::Value & value, const Json::Value & schema);
void checkMaximum(const Json::Value & value, const Json::Value & schema);
void checkItems(const Json::Value & value, const Json::Value & schema);
void checkMinItems(const Json::Value & value, const Json::Value & schema);
void checkMaxItems(const Json::Value & value, const Json::Value & schema);
void checkUniqueItems(const Json::Value & value, const Json::Value & schema);
void checkEnum(const Json::Value & value, const Json::Value & schema);
private:
Json::Value _schema;
std::list<std::string> _currentPath;
std::list<std::string> _messages;
bool _error;
std::map<std::string, const Json::Value *> _references; // ref 2 value
};