doxygen improvements

12 files changed, 9 insertions, 57 deletions

diff --git a/include/opkele/association.h b/include/opkele/association.h
index ef0df42..a8f3915 100644
--- a/include/opkele/association.h
+++ b/include/opkele/association.h
@@ -1,89 +1,68 @@
 #ifndef __OPKELE_ASSOCIATION_H
 #define __OPKELE_ASSOCIATION_H
 
 #include <time.h>
 #include <opkele/types.h>
 
 /**
  * @file
  * @brief reference implementation of association_t
  */
 
-/**
- * @brief the main opkele namespace
- */
 namespace opkele {
 
     /**
      * reference implementation of association_t class.
      */
     class association : public association_t {
         public:
             /**
              * OpenID server name
              */
             string _server;
             /**
              * association handle
              */
             string _handle;
             /**
              * association type
              */
             string _assoc_type;
             /**
              * the secret
              */
             secret_t _secret;
             /**
              * expiration time
              */
             time_t _expires;
             /**
              * statelessness of the assoc_handle
              */
             bool _stateless;
 
             /**
              * @param __server the server name
              * @param __handle association handle
              * @param __assoc_type association type
              * @param __secret the secret
              * @param __expires expiration time
              * @param __stateless statelessness of the assoc_handle
              */
             association(const string& __server, const string& __handle,
                     const string& __assoc_type, const secret_t& __secret,
                     time_t __expires, bool __stateless)
                 : _server(__server), _handle(__handle), _assoc_type(__assoc_type),
                 _secret(__secret), _expires(__expires), _stateless(__stateless) { }
 
-            /**
-             * @overload association_t::server()
-             */
             virtual string server() const { return _server; }
-            /**
-             * @overload association_t::handle()
-             */
             virtual string handle() const { return _handle; }
-            /**
-             * @overload association_t::assoc_type()
-             */
             virtual string assoc_type() const { return _assoc_type; }
-            /**
-             * @overload association_t::secret()
-             */
             virtual secret_t secret() const { return _secret; }
-            /**
-             * @overload association_t::expires_in()
-             */
             virtual int expires_in() const { return _expires-time(0); }
-            /**
-             * @overload association_t::stateless()
-             */
             virtual bool stateless() const { return _stateless; }
     };
 
 }
 
 #endif /* __OPKELE_ASSOCIATION_H */
diff --git a/include/opkele/consumer.h b/include/opkele/consumer.h
index f32509e..fdb6119 100644
--- a/include/opkele/consumer.h
+++ b/include/opkele/consumer.h
@@ -1,145 +1,142 @@
 #ifndef __OPKELE_CONSUMER_H
 #define __OPKELE_CONSUMER_H
 
 #include <opkele/types.h>
 #include <opkele/extension.h>
 
 /**
  * @file
  * @brief OpenID consumer-side functionality
  */
 
-/**
- * @brief the main opkele namespace
- */
 namespace opkele {
 
     /**
      * implementation of basic consumer functionality
      */
     class consumer_t {
         public:
 
             /**
              * store association. The function should be overridden in the real
              * implementation to provide persistent associations store.
              * @param server the OpenID server
              * @param handle association handle
              * @param secret the secret associated with the server and handle
              * @param expires_in the number of seconds until the handle is expired
              * @return the auto_ptr<> for the newly allocated association_t object
              */
             virtual assoc_t store_assoc(const string& server,const string& handle,const secret_t& secret,int expires_in) = 0;
             /**
              * retrieve stored association. The function should be overridden
              * in the real implementation to provide persistent assocations
              * store.
              * @param server the OpenID server
              * @param handle association handle
              * @return the autho_ptr<> for the newly allocated association_t object
              * @throw failed_lookup in case of error
              */
             virtual assoc_t retrieve_assoc(const string& server,const string& handle) = 0;
             /**
              * invalidate stored association. The function should be overridden
              * in the real implementation of the consumer.
              * @param server the OpenID server
              * @param handle association handle
              */
             virtual void invalidate_assoc(const string& server,const string& handle) = 0;
             /**
              * retrieve any unexpired association for the server. If the
              * function is not overridden in the real implementation, the new
              * association will be established for each request.
              * @param server the OpenID server
              * @return the auto_ptr<> for the newly allocated association_t object
              * @throw failed_lookup in case of absence of the handle
              */
             virtual assoc_t find_assoc(const string& server);
 
             /**
              * retrieve the metainformation contained in link tags from the
              * page pointed by url. the function may implement caching of the
              * information.
              * @param url url to harvest for link tags
              * @param server reference to the string object where to put
              * openid.server value
              * @param delegate reference to the string object where to put the
              * openid.delegate value (if any)
              */
             virtual void retrieve_links(const string& url,string& server,string& delegate);
 
             /**
              * perform the associate request to OpenID server.
              * @param server the OpenID server
              * @return the auto_ptr<> for the newly allocated association_t
              * object, representing established association
              * @throw exception in case of error
              */
             assoc_t associate(const string& server);
             /**
              * prepare the parameters for the checkid_immediate
              * request.
              * @param identity the identity to verify
              * @param return_to the return_to url to pass with the request
              * @param trust_root the trust root to advertise with the request
              * @param ext pointer to an extension(s) hooks object
              * @return the location string
              * @throw exception in case of error
              */
             virtual string checkid_immediate(const string& identity,const string& return_to,const string& trust_root="",extension_t *ext=0);
             /**
              * prepare the parameters for the checkid_setup
              * request.
              * @param identity the identity to verify
              * @param return_to the return_to url to pass with the request
              * @param trust_root the trust root to advertise with the request
              * @param ext pointer to an extension(s) hooks object
              * @return the location string
              * @throw exception in case of error
              */
             virtual string checkid_setup(const string& identity,const string& return_to,const string& trust_root="",extension_t *ext=0);
             /**
              * the actual implementation behind checkid_immediate() and
              * checkid_setup() functions.
              * @param mode checkid_* mode - either mode_checkid_immediate or mode_checkid_setup
              * @param identity the identity to verify
              * @param return_to the return_to url to pass with the request
              * @param trust_root the trust root to advertise with the request
              * @param ext pointer to an extension(s) hooks object
              * @return the location string
              * @throw exception in case of error
              */
             virtual string checkid_(mode_t mode,const string& identity,const string& return_to,const string& trust_root="",extension_t *ext=0);
             /**
              * verify the id_res response
              * @param pin the response parameters
              * @param identity the identity being checked (if not specified,
              * @param ext pointer to an extension(s) hooks object
              * extracted from the openid.identity parameter
              * @throw id_res_mismatch in case of signature mismatch
              * @throw id_res_setup in case of openid.user_setup_url failure
              * (supposedly checkid_immediate only)
              * @throw id_res_failed in case of failure
              * @throw exception in case of other failures
              */
             virtual void id_res(const params_t& pin,const string& identity="",extension_t *ext=0);
             /**
              * perform a check_authentication request.
              * @param server the OpenID server
              * @param p request parameters
              */
             void check_authentication(const string& server,const params_t& p);
 
             /**
              * make URL canonical, by adding http:// and trailing slash, if needed.
              * @param url
              * @return canonicalized url
              */
             static string canonicalize(const string& url);
 
     };
 
 }
 
 #endif /* __OPKELE_CONSUMER_H */
diff --git a/include/opkele/data.h b/include/opkele/data.h
index 7fc635b..d0b0516 100644
--- a/include/opkele/data.h
+++ b/include/opkele/data.h
@@ -1,12 +1,18 @@
 #ifndef __OPKELE_DATA_H
 #define __OPKELE_DATA_H
 
+/**
+ * @brief the main opkele namespace
+ */
 namespace opkele {
 
+    /**
+     * @brief internal data opkele namespace
+     */
     namespace data {
         extern const char *_default_p;
         extern const char *_default_g;
     }
 }
 
 #endif /* __OPKELE_DATA_H */
diff --git a/include/opkele/exception.h b/include/opkele/exception.h
index 9fc9bd3..0150e6b 100644
--- a/include/opkele/exception.h
+++ b/include/opkele/exception.h
@@ -1,220 +1,217 @@
 #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 */
diff --git a/include/opkele/extension.h b/include/opkele/extension.h
index f547555..ea0c74c 100644
--- a/include/opkele/extension.h
+++ b/include/opkele/extension.h
@@ -1,66 +1,63 @@
 #ifndef __OPKELE_EXTENSION_H
 #define __OPKELE_EXTENSION_H
 
 /**
  * @file
  * @brief extensions framework basics
  */
 
 #include <opkele/types.h>
 
-/**
- * @brief the main opkele namespace
- */
 namespace opkele {
 
     /**
      * OpenID extension hooks base class
      */
     class extension_t {
         public:
             /**
              * hook called by consumer before submitting data to OpenID server.
              * It is supposed to manipulate parameters list.
              * @param p parameters about to be submitted to server
              * @param identity identity being verified. It may differ from the
              * one available in parameters list in case of delegation
              * @see consumer_t::checkid_
              * @see consumer_t::checkid_immediate
              * @see consumer_t::checkid_setup
              */
             virtual void checkid_hook(params_t& p,const string& identity);
             /**
              * hook called by consumer after identity information received from
              * OpenID server is verified.
              * @param p parameters received from server
              * @param sp signed parameters received from server with 'openid.'
              * leader stripped
              * @param identity identity confirmed. May differ from the one
              * available in parameters list in case of delegation. May also be
              * empty which means - extract one from parameters
              * @see consumer_t::id_res
              */
             virtual void id_res_hook(const params_t& p,const params_t& sp,const string& identity);
 
             /**
              * hook called by server before returning information to consumer.
              * The hook may manipulate output parameters. It is important to
              * note that modified pout["signed"] is used for signing response.
              * @param pin request parameters list with "openid." prefix
              * @param pout response parameters list without "openid." prefix
              * @see server_t::checkid_
              * @see server_t::checkid_immediate
              * @see server_t::checkid_setup
              */
             virtual void checkid_hook(const params_t& pin,params_t& pout);
 
             /**
              * Casts the object to pointer to itself. For convenient passing
              * of pointer.
              */
             operator extension_t*(void) { return this; }
     };
 
 }
 
 #endif /* __OPKELE_EXTENSION_H */
diff --git a/include/opkele/extension_chain.h b/include/opkele/extension_chain.h
index 955f4d5..f0eea94 100644
--- a/include/opkele/extension_chain.h
+++ b/include/opkele/extension_chain.h
@@ -1,50 +1,38 @@
 #ifndef __OPKELE_EXTENSION_CHAIN_H
 #define __OPKELE_EXTENSION_CHAIN_H
 
 /**
  * @file
  * @brief extension chain extension
  */
 
 #include <list>
 #include <opkele/extension.h>
 
-/**
- * @brief the main opkele namespace
- */
 namespace opkele {
     using std::list;
 
     /**
      * OpenID extensions chain used to combine extensions, it is actually an
      * stl list of pointers to extensions.
      */
     class extension_chain_t : public extension_t, public list<extension_t*> {
         public:
 
             /**
              * Default constructor creates an empty chain
              */
             extension_chain_t() { }
             /**
              * Create extension chain with a single extension in it
              */
             extension_chain_t(extension_t *e) { push_back(e); }
 
-            /**
-             * Implementation of consumer's checkid hook
-             */
             virtual void checkid_hook(params_t& p,const string& identity);
-            /**
-             * Implementation of consumer's id_res hook
-             */
             virtual void id_res_hook(const params_t& p,const params_t& sp,const string& identity);
-            /**
-             * Implementation of server's checkid_hook
-             */
             virtual void checkid_hook(const params_t& pin,params_t& pout);
     };
 
 }
 
 #endif /* __OPKELE_EXTENSION_CHAIN_H */
diff --git a/include/opkele/server.h b/include/opkele/server.h
index 598eb47..e7e5bb3 100644
--- a/include/opkele/server.h
+++ b/include/opkele/server.h
@@ -1,99 +1,96 @@
 #ifndef __OPKELE_SERVER_H
 #define __OPKELE_SERVER_H
 
 /**
  * @file
  * @brief OpenID server-side functionality
  */
 
 #include <opkele/types.h>
 #include <opkele/extension.h>
 
-/**
- * @brief the main opkele namespace
- */
 namespace opkele {
 
     /**
      * implementation of basic server functionality
      */
     class server_t {
         public:
 
             /**
              * allocate the new association. The function should be overridden
              * in the real implementation to provide persistent assocations
              * store.
              * @param mode the mode of request being processed to base the
              * statelessness of the association upon
              * @return the auto_ptr<> for the newly allocated association_t object
              */
             virtual assoc_t alloc_assoc(mode_t mode) = 0;
             /**
              * retrieve the association. The function should be overridden in
              * the reqal implementation to provide persistent assocations
              * store.
              * @param h association handle
              * @return the auto_ptr<> for the newly allocated association_t object
              * @throw failed_lookup in case of failure
              */
             virtual assoc_t retrieve_assoc(const string& h) = 0;
 
             /**
              * validate the identity.
              * @param assoc association object
              * @param pin incoming request parameters
              * @param identity being verified
              * @param trust_root presented in the request
              * @throw exception if identity can not be confirmed
              */
             virtual void validate(const association_t& assoc,const params_t& pin,const string& identity,const string& trust_root) = 0;
 
 
             /**
              * process the associate request.
              * @param pin the incoming request parameters
              * @param pout the store for the response parameters
              */
             void associate(const params_t& pin,params_t& pout);
             /**
              * process the checkid_immediate request.
              * @param pin the incoming request parameters
              * @param return_to reference to the object to store return_to url to
              * @param pout the response parameters
              * @param ext pointer to the extension hooks object
              * @throw exception in case of errors or negative reply
              */
             virtual void checkid_immediate(const params_t& pin,string& return_to,params_t& pout,extension_t *ext=0);
             /**
              * process the checkid_setup request.
              * @param pin the incoming request parameters
              * @param return_to reference to the object to store return_to url to
              * @param pout the response parameters
              * @param ext pointer to the extension hooks object
              * @throw exception in case of errors or negative reply
              */
             virtual void checkid_setup(const params_t& pin,string& return_to,params_t& pout,extension_t *ext=0);
             /**
              * the actual functionality behind checkid_immediate() and
              * checkid_setup()
              * @param mode the request being processed (either
              * mode_checkid_immediate or mode_checkid_setup)
              * @param pin the incoming request parameters
              * @param return_to reference to the object to store return_to url to
              * @param pout the response parameters
              * @param ext pointer to the extension hooks object
              * @throw exception in case of errors or negative reply
              */
             virtual void checkid_(mode_t mode,const params_t& pin,string& return_to,params_t& pout,extension_t *ext=0);
             /**
              * process the check_authentication request.
              * @param pin incoming request parameters
              * @param pout response parameters
              */
             void check_authentication(const params_t& pin,params_t& pout);
     };
 
 }
 
 #endif /* __OPKELE_SERVER_H */
diff --git a/include/opkele/sreg.h b/include/opkele/sreg.h
index 6713ef7..df37a86 100644
--- a/include/opkele/sreg.h
+++ b/include/opkele/sreg.h
@@ -1,206 +1,203 @@
 #ifndef __OPKELE_SREG_H
 #define __OPKELE_SREG_H
 
 /**
  * @file
  * @brief Simple registration extension
  */
 
 #include <opkele/extension.h>
 
-/**
- * @brief the main opkele namespace
- */
 namespace opkele {
     using std::map;
 
     /**
      * OpenID simple registration extension implementation
      * http://openid.net/specs/openid-simple-registration-extension-1_0.html
      */
     class sreg_t : public extension_t {
         public:
             /**
              * sreg fields enumeration
              */
             enum fieldbit_t {
                 /**
                  * Any UTF-8 string that the End User wants to use as a nickname.
                  */
                 field_nickname = 1,
                 /**
                  * The email address of the End User as specified in section 3.4.1 of [RFC2822]
                  */
                 field_email = 2,
                 /**
                  * UTF-8 string free text representation of the End User's full name.
                  */
                 field_fullname = 4,
                 /**
                  * The End User's date of birth as YYYY-MM-DD. Any values whose
                  * representation uses fewer than the specified number of
                  * digits should be zero-padded. The length of this value MUST
                  * always be 10. If the End User user does not want to reveal
                  * any particular component of this value, it MUST be set to
                  * zero.
                  *
                  * For instance, if a End User wants to specify that his date
                  * of birth is in 1980, but not the month or day, the value
                  * returned SHALL be "1980-00-00".
                  */
                 field_dob = 8,
                 /**
                  * Alias to field_dob
                  */
                 field_birthdate = field_dob,
                 /**
                  * The End User's gender, "M" for male, "F" for female.
                  */
                 field_gender = 16,
                 /**
                  * Alias to field_gender
                  */
                 field_sex = field_gender,
                 /**
                  * UTF-8 string free text that SHOULD conform to the End User's
                  * country's postal system.
                  */
                 field_postcode = 32,
                 /**
                  * The End User's country of residence as specified by ISO3166
                  */
                 field_country = 64,
                 /**
                  * End User's preferred language as specified by ISO639
                  */
                 field_language = 128,
                 /**
                  * ASCII string from TimeZone database
                  *
                  * For example, "Europe/Paris" or "America/Los_Angeles". 
                  */
                 field_timezone = 256,
                 /**
                  * All fields bits combined
                  */
                 fields_ALL = 511,
                 /**
                  * No fields
                  */
                 fields_NONE = 0
             };
             /**
              * Bitmask for fields which, if absent from the response, will
              * prevent the Consumer from completing the registration without
              * End User interation.
              */
             long fields_required;
             /**
              * Bitmask for fields that will be used by the Consumer, but whose
              * absence will not prevent the registration from completing.
              */
             long fields_optional;
             /**
              * A URL which the Consumer provides to give the End User a place
              * to read about the how the profile data will be used. The
              * Identity Provider SHOULD display this URL to the End User if it
              * is given. 
              */
             string policy_url;
 
             /**
              * Bitmask for fields present in response
              */
             long has_fields;
             /**
              * Container type for response fields values
              */
             typedef map<fieldbit_t,string> response_t;
             /**
              * Response contents
              */
             response_t response;
 
             /**
              * Fields bitmask to send in response
              */
             long fields_response;
 
             /**
              * Consumer constructor.
              * @param fr required fields
              * @see fields_required
              * @param fo optional fields
              * @see fields_optional
              * @param pu policy url
              * @see policy_url
              */
             sreg_t(long fr=fields_NONE,long fo=fields_NONE,const string& pu="")
                 : fields_required(fr), fields_optional(fo), policy_url(pu), has_fields(0) { }
 
             /**
              * Implementation of consumer's checkid hook
              */
             virtual void checkid_hook(params_t& p,const string& identity);
             /**
              * Implementation of consumer's id_res hook
              */
             virtual void id_res_hook(const params_t& p,const params_t& sp,const string& identity);
             /**
              * Implementation of server's checkid_hook
              */
             virtual void checkid_hook(const params_t& pin,params_t& pout);
 
             /**
              * Check and see if we have value for some particular field.
              * @param fb field in question
              * @see fieldbit_t
              * @return true if the value is available
              */
             bool has_field(fieldbit_t fb) const { return has_fields&fb; }
 
             /**
              * Retrieve the value for a field.
              * @param fb field in question
              * @see fieldbit_t
              * @return field value
              * @throw failed_lookup if no data avaialble
              */
             const string& get_field(fieldbit_t fb) const;
 
             /**
              * Set the value for a field.
              * @param fb field in question
              * @see fieldbit_t
              * @param fv field value
              */
             void set_field(fieldbit_t fb,const string& fv);
 
             /**
              * Remove the value for a field.
              * @param fb field in question
              * @see fieldbit_t
              */
             void reset_field(fieldbit_t fb);
 
             /**
              * Reset field data
              */
             void clear();
 
             /**
              * Function called after parsing sreg request to set up response
              * fields. The default implementation tries to send as much fields
              * as we have. The function is supposed to set the data and
              * fields_response.
              * @see fields_response
              * @param pin input request parameters with "openid." prefix
              * @param pout output request parameters without "openid." prefix.
              * @see checkid_hook(const params_t&,params_t&)
              */
             virtual void setup_response(const params_t& pin,params_t& pout);
 
     };
 }
 
 #endif /* __OPKELE_SREG_H */
diff --git a/include/opkele/types.h b/include/opkele/types.h
index ba06776..757c0af 100644
--- a/include/opkele/types.h
+++ b/include/opkele/types.h
@@ -1,168 +1,165 @@
 #ifndef __OPKELE_TYPES_H
 #define __OPKELE_TYPES_H
 
 /**
  * @file
  * @brief various types declarations
  */
 
 #include <ostream>
 #include <vector>
 #include <string>
 #include <map>
 #include <memory>
 
-/**
- * @brief the main opkele namespace
- */
 namespace opkele {
     using std::vector;
     using std::string;
     using std::map;
     using std::ostream;
     using std::auto_ptr;
 
     /**
      * the OpenID operation mode
      */
     typedef enum _mode_t {
         mode_associate,
         mode_checkid_immediate,
         mode_checkid_setup,
         mode_check_association
     } mode_t;
 
     /**
      * the association secret container
      */
     class secret_t : public vector<unsigned char> {
         public:
 
             /**
              * xor the secret and hmac together and encode, using base64
              * @param key_sha1 pointer to the sha1 digest
              * @param rv reference to the return value
              */
             void enxor_to_base64(const unsigned char *key_sha1,string& rv) const;
             /**
              * decode base64-encoded secret and xor it with the sha1 digest
              * @param key_sha1 pointer to the message digest
              * @param b64 base64-encoded secret value
              */
             void enxor_from_base64(const unsigned char *key_sha1,const string& b64);
             /**
              * plainly encode to base64 representation
              * @param rv reference to the return value
              */
             void to_base64(string& rv) const;
             /**
              * decode cleartext secret from base64
              * @param b64 base64-encoded representation of the secret value
              */
             void from_base64(const string& b64);
     };
 
     /**
      * Interface to the association.
      */
     class association_t {
         public:
 
             /**
              * retrieve the server with which association was established.
              * @return server name
              */
             virtual string server() const = 0;
             /**
              * retrieve the association handle.
              * @return handle
              */
             virtual string handle() const = 0;
             /**
              * retrieve the association type.
              * @return association type
              */
             virtual string assoc_type() const = 0;
             /**
              * retrieve the association secret.
              * @return association secret
              */
             virtual secret_t secret() const = 0; 
             /**
              * retrieve the number of seconds the association expires in.
              * @return seconds till expiration
              */
             virtual int expires_in() const = 0;
             /**
              * check whether the association is stateless.
              * @return true if stateless
              */
             virtual bool stateless() const = 0;
     };
 
     /**
      * the auto_ptr<> for association_t object type
      */
     typedef auto_ptr<association_t> assoc_t;
 
     /**
      * request/response parameters map
      */
     class params_t : public map<string,string> {
         public:
 
             /**
              * check whether the parameter is present.
              * @param n the parameter name
              * @return true if yes
              */
             bool has_param(const string& n) const;
             /**
              * retrieve the parameter (const version)
              * @param n the parameter name
              * @return the parameter value
              * @throw failed_lookup if there is no such parameter
              */
             const string& get_param(const string& n) const;
             /**
              * retrieve the parameter.
              * @param n the parameter name
              * @return the parameter value
              * @throw failed_lookup if there is no such parameter
              */
             string& get_param(const string& n);
 
             /**
              * parse the OpenID key/value data.
              * @param kv the OpenID key/value data
              */
             void parse_keyvalues(const string& kv);
             /**
              * sign the fields.
              * @param secret the secret used for signing
              * @param sig reference to the string, containing base64-encoded
              * result
              * @param slist the comma-separated list of fields to sign
              * @param prefix the string to prepend to parameter names
              */
             void sign(secret_t secret,string& sig,const string& slist,const char *prefix=0) const;
 
             /**
              * append parameters to the URL as a GET-request parameters.
              * @param url the base URL
              * @param prefix the string to prepend to parameter names
              * @return the ready-to-use location
              */
             string append_query(const string& url,const char *prefix = "openid.") const;
     };
 
     /**
      * dump the key/value pairs for the parameters to the stream.
      * @param o output stream
      * @param p the parameters
      */
     ostream& operator << (ostream& o,const params_t& p);
 
 }
 
 #endif /* __OPKELE_TYPES_H */
diff --git a/include/opkele/util.h b/include/opkele/util.h
index 2a7a859..edc1859 100644
--- a/include/opkele/util.h
+++ b/include/opkele/util.h
@@ -1,130 +1,133 @@
 #ifndef __OPKELE_UTIL_H
 #define __OPKELE_UTIL_H
 
 #include <time.h>
 #include <string>
 #include <vector>
 #include <openssl/bn.h>
 #include <openssl/dh.h>
 
 namespace opkele {
     using std::string;
     using std::vector;
 
+    /**
+     * @brief opkele utils namespace
+     */
     namespace util {
 
         /**
          * Convenience class encapsulating SSL BIGNUM object for the purpose of
          * automatical freeing.
          */
         class bignum_t {
             public:
                 BIGNUM *_bn;
 
                 bignum_t() : _bn(0) { }
                 bignum_t(BIGNUM *bn) : _bn(bn) { }
                 ~bignum_t() throw() { if(_bn) BN_free(_bn); }
                 
                 bignum_t& operator=(BIGNUM *bn) { if(_bn) BN_free(_bn); _bn = bn; return *this; }
 
                 operator const BIGNUM*(void) const { return _bn; }
                 operator BIGNUM*(void) { return _bn; }
         };
         /**
          * Convenience clas encapsulating SSL DH object for the purpose of
          * automatic freeing.
          */
         class dh_t {
             public:
                 DH *_dh;
                 
                 dh_t() : _dh(0) { }
                 dh_t(DH *dh) : _dh(dh) { }
                 ~dh_t() throw() { if(_dh) DH_free(_dh); }
 
                 dh_t& operator=(DH *dh) { if(_dh) DH_free(_dh); _dh = dh; return *this; }
 
                 operator const DH*(void) const { return _dh; }
                 operator DH*(void) { return _dh; }
 
                 DH* operator->() { return _dh; }
                 const DH* operator->() const { return _dh; }
         };
 
         /**
          * Convert base64-encoded SSL BIGNUM to internal representation.
          * @param b64 base64-encoded number
          * @return SSL BIGNUM
          * @throw failed_conversion in case of error
          */
         BIGNUM *base64_to_bignum(const string& b64);
         /**
          * Convert decimal representation to SSL BIGNUM.
          * @param dec decimal representation
          * @return resulting BIGNUM
          * @throw failed_conversion in case of error
          */
         BIGNUM *dec_to_bignum(const string& dec);
         /**
          * Convert SSL BIGNUM data to base64 encoded string.
          * @param bn BIGNUM
          * @return base64encoded string
          */
         string bignum_to_base64(const BIGNUM *bn);
 
         /**
          * Convert internal time representation to w3c format
          * @param t internal representation
          * @return w3c time
          * @throw failed_conversion in case of error
          */
         string time_to_w3c(time_t t);
         /**
          * Convert W3C time representation to  internal time_t
          * @param w w3c representation
          * @return converted time
          * @throw failed_conversion in case of error
          */
         time_t w3c_to_time(const string& w);
 
         /**
          * Encode string to the representation suitable for using in URL.
          * @param str string to encode
          * @return encoded string
          * @throw failed_conversion in case of failure
          */
         string url_encode(const string& str);
 
         /**
          * Convert number to string
          * @param l number
          * @return string representation
          * @throw failed_conversion in case of failure
          */
         string long_to_string(long l);
         /**
          * Convert string to number
          * @param s string, containing the number
          * @return the number
          * @throw failed_conversion in case of failure
          */
         long string_to_long(const string& s);
 
         /**
          * Encode binary data using base64.
          * @param data pointer to binary data
          * @param length length of data
          * @return encoded data
          */
         string encode_base64(const void *data,size_t length);
         /**
          * Decode binary data from base64 representation.
          * @param data base64-encoded data
          * @param rv container for decoded binary
          */
         void decode_base64(const string& data,vector<unsigned char>& rv);
     }
 
 }
 
 #endif /* __OPKELE_UTIL_H */
diff --git a/include/opkele/xconsumer.h b/include/opkele/xconsumer.h
index 14a8aaa..42796c0 100644
--- a/include/opkele/xconsumer.h
+++ b/include/opkele/xconsumer.h
@@ -1,41 +1,38 @@
 #ifndef __OPKELE_XCONSUMER_H
 #define __OPKELE_XCONSUMER_H
 
 /**
  * @file
  * @brief OpenID consumer with built-in extension chain
  */
 
 #include <opkele/extension_chain.h>
 #include <opkele/consumer.h>
 
-/**
- * @brief the main opkele namespace
- */
 namespace opkele {
 
     /**
      * Extended OpenID consumer implementation with built in
      * extensions chain.
      */
     class xconsumer_t : public consumer_t, public extension_chain_t {
         public:
 
             string checkid_immediate(const string& identity,const string& return_to,const string& trust_root="",extension_t *ext=0) {
                 return consumer_t::checkid_immediate(identity,return_to,trust_root,this);
             }
             string chekid_setup(const string& identity,const string& return_to,const string& trust_root="",extension_t *ext=0) {
                 return consumer_t::checkid_setup(identity,return_to,trust_root,this);
             }
             string checkid_(mode_t mode,const string& identity,const string& return_to,const string& trust_root="",extension_t *ext=0) {
                 return consumer_t::checkid_(mode,identity,return_to,trust_root,this);
             }
             void id_res(const params_t& pin,const string& identity="",extension_t *ext=0) {
                 consumer_t::id_res(pin,identity,this);
             }
 
     };
 
 }
 
 #endif /* __OPKELE_XCONSUMER_H */
diff --git a/include/opkele/xserver.h b/include/opkele/xserver.h
index e29bfe6..c645d56 100644
--- a/include/opkele/xserver.h
+++ b/include/opkele/xserver.h
@@ -1,37 +1,34 @@
 #ifndef __OPKELE_XSERVER_H
 #define __OPKELE_XSERVER_H
 
 /**
  * @file
  * @brief OpenID server with built-in extension chain
  */
 
 #include <opkele/extension_chain.h>
 #include <opkele/server.h>
 
-/**
- * @brief the main opkele namespace
- */
 namespace opkele {
 
     /**
      * Extended OpenID server implementationwith built in
      * extensions chain.
      */
     class xserver_t : public server_t, public extension_chain_t {
         public:
 
             void checkid_immediate(const params_t& pin,string& return_to,params_t& pout,extension_t *ext=0) {
                 server_t::checkid_immediate(pin,return_to,pout,this);
             }
             void checkid_setup(const params_t& pin,string& return_to,params_t& pout,extension_t *ext=0) {
                 server_t::checkid_setup(pin,return_to,pout,this);
             }
             void checkid_(mode_t mode,const params_t& pin,string& return_to,params_t& pout,extension_t *ext=0) {
                 server_t::checkid_(mode,pin,return_to,pout,this);
             }
     };
 
 }
 
 #endif /* __OPKELE_XSERVER_H */