mirror of
https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
151 lines
3.1 KiB
C++
151 lines
3.1 KiB
C++
//
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// JSONConfiguration.h
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//
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// Library: Util
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// Package: Util
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// Module: JSONConfiguration
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//
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// Definition of the JSONConfiguration class.
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//
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// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Util_JSONConfiguration_INCLUDED
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#define Util_JSONConfiguration_INCLUDED
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#include "Poco/Util/Util.h"
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#ifndef POCO_UTIL_NO_JSONCONFIGURATION
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#include "Poco/Util/AbstractConfiguration.h"
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#include "Poco/JSON/Object.h"
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#include <istream>
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namespace Poco {
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namespace Util {
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class Util_API JSONConfiguration : public AbstractConfiguration
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/// This configuration class extracts configuration properties
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/// from a JSON object. An XPath-like syntax for property
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/// names is supported to allow full access to the JSON object.
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///
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/// Given the following JSON object as an example:
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/// {
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/// "config" : {
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/// "prop1" : "value1",
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/// "prop2" : 10,
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/// "prop3" : [
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/// "element1",
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/// "element2"
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/// ],
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/// "prop4" : {
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/// "prop5" : false,
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/// "prop6" : null
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/// }
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/// }
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/// }
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/// The following property names would be valid and would
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/// yield the shown values:
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///
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/// config.prop1 --> "value1"
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/// config.prop3[1] --> "element2"
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/// config.prop4.prop5 --> false
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{
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public:
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JSONConfiguration();
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/// Creates an empty configuration
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JSONConfiguration(const std::string& path);
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/// Creates a configuration and loads the JSON structure from the given file
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JSONConfiguration(std::istream& istr);
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/// Creates a configuration and loads the JSON structure from the given stream
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JSONConfiguration(const JSON::Object::Ptr& object);
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/// Creates a configuration from the given JSON object
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virtual ~JSONConfiguration();
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/// Destructor
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void load(const std::string& path);
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/// Loads the configuration from the given file
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void load(std::istream& istr);
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/// Loads the configuration from the given stream
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void loadEmpty(const std::string& root);
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/// Loads an empty object containing only a root object with the given name.
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void save(std::ostream& ostr, unsigned int indent = 2) const;
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/// Saves the configuration to the given stream
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virtual void setInt(const std::string& key, int value);
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virtual void setBool(const std::string& key, bool value);
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virtual void setDouble(const std::string& key, double value);
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virtual void setString(const std::string& key, const std::string& value);
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virtual void removeRaw(const std::string& key);
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protected:
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bool getRaw(const std::string & key, std::string & value) const;
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void setRaw(const std::string& key, const std::string& value);
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void enumerate(const std::string& key, Keys& range) const;
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private:
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JSON::Object::Ptr findStart(const std::string& key, std::string& lastPart);
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void getIndexes(std::string& name, std::vector<int>& indexes);
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void setValue(const std::string& key, const Poco::DynamicAny& value);
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JSON::Object::Ptr _object;
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};
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} } // namespace Poco::Util
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#endif // POCO_UTIL_NO_JSONCONFIGURATION
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#endif // Util_JSONConfiguration_INCLUDED
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