config-checker.hpp

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
#ifndef NDN_CONFIG_CHECKER_HPP
#define NDN_CONFIG_CHECKER_HPP

#include "../../../name.hpp"
#include "config-name-relation.hpp"
#include "../validation-state.hpp"

namespace ndn {

class BoostInfoTree;
class NdnRegexTopMatcher;

class ConfigChecker {
public:
  virtual
  ~ConfigChecker();

  bool
  check
    (bool isForInterest, const Name& packetName, const Name& keyLocatorName,
     const ptr_lib::shared_ptr<ValidationState>& state);

  static ptr_lib::shared_ptr<ConfigChecker>
  create(const BoostInfoTree& configSection);

protected:
  ConfigChecker() {}

  virtual bool
  checkNames
    (const Name& packetName, const Name& keyLocatorName,
     const ptr_lib::shared_ptr<ValidationState>& state) = 0;

private:
  static ptr_lib::shared_ptr<ConfigChecker>
  createCustomizedChecker(const BoostInfoTree& configSection);

  static ptr_lib::shared_ptr<ConfigChecker>
  createHierarchicalChecker(const BoostInfoTree& configSection);

  static ptr_lib::shared_ptr<ConfigChecker>
  createKeyLocatorChecker(const BoostInfoTree& configSection);

  static ptr_lib::shared_ptr<ConfigChecker>
  createKeyLocatorNameChecker(const BoostInfoTree& configSection);

  // Disable the copy constructor and assignment operator.
  ConfigChecker(const ConfigChecker& other);
  ConfigChecker& operator=(const ConfigChecker& other);
};

class ConfigNameRelationChecker : public ConfigChecker {
public:
  ConfigNameRelationChecker
    (const Name& name, ConfigNameRelation::Relation relation)
  : name_(name),
    relation_(relation)
  {
  }

protected:
  virtual bool
  checkNames
    (const Name& packetName, const Name& keyLocatorName,
     const ptr_lib::shared_ptr<ValidationState>& state);

private:
  Name name_;
  ConfigNameRelation::Relation relation_;
};

class ConfigRegexChecker : public ConfigChecker {
public:
  ConfigRegexChecker(const std::string& regexString);

protected:
  virtual bool
  checkNames
    (const Name& packetName, const Name& keyLocatorName,
     const ptr_lib::shared_ptr<ValidationState>& state);

private:
  ptr_lib::shared_ptr<NdnRegexTopMatcher> regex_;
};

class ConfigHyperRelationChecker : public ConfigChecker {
public:
  ConfigHyperRelationChecker
    (const std::string& packetNameRegexString, const std::string& packetNameExpansion,
     const std::string& keyNameRegexString, const std::string& keyNameExpansion,
     ConfigNameRelation::Relation hyperRelation);

protected:
  virtual bool
  checkNames
    (const Name& packetName, const Name& keyLocatorName,
     const ptr_lib::shared_ptr<ValidationState>& state);

private:
  ptr_lib::shared_ptr<NdnRegexTopMatcher> packetNameRegex_;
  std::string packetNameExpansion_;
  ptr_lib::shared_ptr<NdnRegexTopMatcher> keyNameRegex_;
  std::string keyNameExpansion_;
  ConfigNameRelation::Relation hyperRelation_;
};

}

#endif