added append_to() to basic_openid_message

Signed-off-by: Michael Krelin <hacker@klever.net>

2 files changed, 7 insertions, 3 deletions

diff --git a/include/opkele/types.h b/include/opkele/types.h
index af7fb1a..ffb9afb 100644
--- a/include/opkele/types.h
+++ b/include/opkele/types.h
@@ -84,96 +84,97 @@ namespace opkele {
             /**
              * 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;
             /**
              * check whether the association is expired.
              * @return true if expired
              */
             virtual bool is_expired() const = 0;
     };
 
     /**
      * the shared_ptr<> for association_t object type
      */
     typedef tr1mem::shared_ptr<association_t> assoc_t;
 
     class basic_openid_message {
         public:
             typedef list<string> fields_t;
             typedef util::forward_iterator_proxy<
                 string,const string&,const string*
                 > fields_iterator;
 
             basic_openid_message() { }
             virtual ~basic_openid_message() { }
             basic_openid_message(const basic_openid_message& x);
             void copy_to(basic_openid_message& x) const;
+            void append_to(basic_openid_message& x) const;
 
             virtual bool has_field(const string& n) const = 0;
             virtual const string& get_field(const string& n) const = 0;
 
             virtual bool has_ns(const string& uri) const;
             virtual string get_ns(const string& uri) const;
 
             virtual fields_iterator fields_begin() const = 0;
             virtual fields_iterator fields_end() const = 0;
 
             virtual string append_query(const string& url,const char *pfx="openid.") const;
             virtual string query_string(const char *pfx="openid.") const;
 
 
             virtual void reset_fields();
             virtual void set_field(const string& n,const string& v);
             virtual void reset_field(const string& n);
 
             virtual void from_keyvalues(const string& kv);
             virtual void to_keyvalues(ostream& o) const;
 
             virtual void to_htmlhiddens(ostream& o,const char* pfx=0) const;
 
             void add_to_signed(const string& fields);
             string find_ns(const string& uri,const char *pfx) const;
             string allocate_ns(const string& uri,const char *pfx);
     };
 
     class openid_message_t : public basic_openid_message, public map<string,string> {
         public:
             openid_message_t() { }
             openid_message_t(const basic_openid_message& x)
                 : basic_openid_message(x) { }
 
             void copy_to(basic_openid_message& x) const;
 
             bool has_field(const string& n) const;
             const string& get_field(const string& n) const;
             virtual fields_iterator fields_begin() const;
             virtual fields_iterator fields_end() const;
 
             void reset_fields();
             void set_field(const string& n,const string& v);
             void reset_field(const string& n);
     };
 
     /**
      * request/response parameters map
diff --git a/lib/openid_message.cc b/lib/openid_message.cc
index 4b9179b..e244f43 100644
--- a/lib/openid_message.cc
+++ b/lib/openid_message.cc
@@ -1,78 +1,81 @@
 #include <cassert>
 #include <opkele/types.h>
 #include <opkele/exception.h>
 #include <opkele/util.h>
 #include <opkele/debug.h>
 
 #include "config.h"
 
 namespace opkele {
     using std::input_iterator_tag;
     using std::unary_function;
 
     struct __om_copier : public unary_function<const string&,void> {
         public:
             const basic_openid_message& from;
             basic_openid_message& to;
 
             __om_copier(basic_openid_message& t,const basic_openid_message& f)
-                : from(f), to(t) {
-                    to.reset_fields();
-                }
+                : from(f), to(t) { }
 
             result_type operator()(argument_type f) {
                 to.set_field(f,from.get_field(f)); }
     };
 
     basic_openid_message::basic_openid_message(const basic_openid_message& x) {
         x.copy_to(*this);
     }
     void basic_openid_message::copy_to(basic_openid_message& x) const {
+        x.reset_fields();
+        for_each(fields_begin(),fields_end(),
+                __om_copier(x,*this) );
+    }
+    void basic_openid_message::append_to(basic_openid_message& x) const {
         for_each(fields_begin(),fields_end(),
                 __om_copier(x,*this) );
     }
 
     struct __om_ns_finder : public unary_function<const string&,bool> {
         public:
             const basic_openid_message& om;
             const string& uri;
 
             __om_ns_finder(const basic_openid_message& m,
                     const string& u) : om(m), uri(u) { }
 
             result_type operator()(argument_type f) {
                 return
                     (!strncmp(f.c_str(),"ns.",sizeof("ns.")-1))
                         && om.get_field(f)==uri ;
             }
     };
 
     bool basic_openid_message::has_ns(const string& uri) const {
         fields_iterator ei = fields_end();
         fields_iterator i = find_if(fields_begin(),fields_end(),
                 __om_ns_finder(*this,uri));
         return !(i==ei);
     }
     string basic_openid_message::get_ns(const string& uri) const {
         fields_iterator ei = fields_end();
         fields_iterator i = find_if(fields_begin(),fields_end(),
                 __om_ns_finder(*this,uri));
         if(i==ei)
             throw failed_lookup(OPKELE_CP_ string("failed to find namespace ")+uri);
         return i->substr(3);
     }
 
     struct __om_query_builder : public unary_function<const string&,void> {
         public:
             const basic_openid_message& om;
             bool first;
             string& rv;
             const char *pfx;
 
             __om_query_builder(const char *p,string& r,const basic_openid_message& m)
                 : om(m), first(true), rv(r), pfx(p) {
                     for_each(om.fields_begin(),om.fields_end(),*this);
                 }
             __om_query_builder(const char *p,string& r,const basic_openid_message& m,const string& u)
                 : om(m), first(true), rv(r), pfx(p) {
                     rv = u;