introduced extension hooks framework

1 files changed, 10 insertions, 0 deletions

diff --git a/include/opkele/exception.h b/include/opkele/exception.h
index c5f5811..9fc9bd3 100644
--- a/include/opkele/exception.h
+++ b/include/opkele/exception.h
@@ -1,210 +1,220 @@
 #ifndef __OPKELE_EXCEPTION_H
 #define __OPKELE_EXCEPTION_H
 
 /**
  * @file
  * @brief opkele exceptions
  */
 
 #include <curl/curl.h>
 
 #include <opkele/opkele-config.h>
 #ifdef OPKELE_HAVE_KONFORKA
 # include <konforka/exception.h>
 /**
  * the exception parameters declaration
  */
 # define OPKELE_E_PARS const string& fi,const string&fu,int l,const string& w
 /**
  * the exception parameters list to pass to constructor
  */
 # define OPKELE_E_CONS_ fi,fu,l,
 /**
  * the exception codepoint specification
  */
 # define OPKELE_CP_ CODEPOINT,
 /**
  * the simple rethrow of konforka-based exception
  */
 # define OPKELE_RETHROW catch(konforka::exception& e) { e.see(CODEPOINT); throw }
 #else /* OPKELE_HAVE_KONFORKA */
 # include <exception>
 # include <string>
 /**
  * the exception parameter declaration
  */
 # define OPKELE_E_PARS const string& w
 /**
  * the dummy prefix for exception parameters list to prepend in the absence of
  * konforka library
  */
 # define OPKELE_E_CONS_ 
 /**
  * the dummy placeholder for konforka exception codepoint specification
  */
 # define OPKELE_CP_
 /**
  * the dummy define for the konforka-based rethrow of exception
  */
 # define OPKELE_RETHROW
 #endif /* OPKELE_HAVE_KONFORKA */
 /**
  * the exception parameters list to pass to constructor
  */
 # define OPKELE_E_CONS OPKELE_E_CONS_ w
 
 /*
  * @brief the main opkele namespace
  */
 namespace opkele {
     using std::string;
 
     /**
      * the base opkele exception class
      */
     class exception : public
 #   ifdef OPKELE_HAVE_KONFORKA
 		      konforka::exception
 #   else
                       std::exception
 #   endif
     {
 	public:
 #           ifdef OPKELE_HAVE_KONFORKA
 	    explicit
 		exception(const string& fi,const string& fu,int l,const string& w)
 		    : konforka::exception(fi,fu,l,w) { }
 #           else /* OPKELE_HAVE_KONFORKA */
 	    string _what;
 	    explicit
 		exception(const string& w)
 		    : _what(w) { } 
 	    virtual ~exception() throw();
 	    virtual const char * what() const throw();
 #           endif /* OPKELE_HAVE_KONFORKA */
     };
 
     /**
      * thrown in case of failed conversion
      */
     class failed_conversion : public exception {
 	public:
 	    failed_conversion(OPKELE_E_PARS)
 		: exception(OPKELE_E_CONS) { }
     };
     /**
      * thrown in case of failed lookup (either parameter or persistent store)
      */
     class failed_lookup : public exception {
 	public:
 	    failed_lookup(OPKELE_E_PARS)
 		: exception(OPKELE_E_CONS) { }
     };
     /**
      * thrown in case of bad input (either local or network)
      */
     class bad_input : public exception {
 	public:
 	    bad_input(OPKELE_E_PARS)
 		: exception(OPKELE_E_CONS) { }
     };
 
     /**
      * thrown on failed assertion
      */
     class failed_assertion : public exception {
 	public:
 	    failed_assertion(OPKELE_E_PARS)
 		: exception(OPKELE_E_CONS) { }
     };
 
     /**
      * thrown if the handle being retrieved is invalid
      */
     class invalid_handle : public exception {
 	public:
 	    invalid_handle(OPKELE_E_PARS)
 		: exception(OPKELE_E_CONS) { }
     };
     /**
      * thrown if the handle passed to check_authentication request is not
      * stateless
      */
     class stateful_handle : public exception {
 	public:
 	    stateful_handle(OPKELE_E_PARS)
 		: exception(OPKELE_E_CONS) { }
     };
 
     /**
      * thrown if check_authentication request fails
      */
     class failed_check_authentication : public exception {
 	public:
 	    failed_check_authentication(OPKELE_E_PARS)
 		: exception(OPKELE_E_CONS) { }
     };
 
     /**
      * thrown if the id_res request result is negative
      */
     class id_res_failed : public exception {
 	public:
 	    id_res_failed(OPKELE_E_PARS)
 		: exception(OPKELE_E_CONS) { }
     };
     /**
      * thrown if the user_setup_url is provided with negative response
      */
     class id_res_setup : public id_res_failed {
 	public:
 	    string setup_url;
 	    id_res_setup(OPKELE_E_PARS,const string& su)
 		: id_res_failed(OPKELE_E_CONS), setup_url(su) { }
 	    ~id_res_setup() throw() { }
     };
     /**
      * thrown in case of signature mismatch
      */
     class id_res_mismatch : public id_res_failed {
 	public:
 	    id_res_mismatch(OPKELE_E_PARS)
 		: id_res_failed(OPKELE_E_CONS) { }
     };
 
     /**
      * openssl malfunction occured
      */
     class exception_openssl : public exception {
 	public:
 	    unsigned long _error;
 	    string _ssl_string;
 	    exception_openssl(OPKELE_E_PARS);
 	    ~exception_openssl() throw() { }
     };
 
     /**
      * network operation related error occured
      */
     class exception_network : public exception {
 	public:
 	    exception_network(OPKELE_E_PARS)
 		: exception(OPKELE_E_CONS) { }
     };
 
     /**
      * network operation related error occured, specifically, related to
      * libcurl
      */
     class exception_curl : public exception_network {
 	public:
 	    CURLcode _error;
 	    string _curl_string;
 	    exception_curl(OPKELE_E_PARS);
 	    exception_curl(OPKELE_E_PARS,CURLcode e);
 	    ~exception_curl() throw() { }
     };
 
+    /**
+     * not implemented (think pure virtual) member function executed, signfies
+     * programmer error
+     */
+    class not_implemented : public exception {
+	public:
+	    not_implemented(OPKELE_E_PARS)
+		: exception(OPKELE_E_CONS) { }
+    };
+
 }
 
 #endif /* __OPKELE_EXCEPTION_H */