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#ifndef __OPKELE_OPENID_SERVICE_RESOLVER_H
#define __OPKELE_OPENID_SERVICE_RESOLVER_H
#include <climits>
#include <string>
#include <list>
#include <set>
#include <map>
#include <opkele/curl.h>
#include <opkele/expat.h>
namespace opkele {
using std::list;
using std::string;
using std::set;
using std::map;
struct openid_auth_SEP_t {
long priority;
set<string> xrd_Type;
string xrd_URI;
string openid_Delegate;
openid_auth_SEP_t() : priority(LONG_MAX) { }
};
struct openid_auth_info_t {
string canonical_id;
openid_auth_SEP_t auth_SEP;
};
class openid_service_resolver_t : public util::curl_t, public util::expat_t {
public:
string xri_proxy;
openid_service_resolver_t(const string& xp="");
~openid_service_resolver_t() throw() { }
const openid_auth_info_t& resolve(const string& id);
enum state_t {
state_parse = 0,
state_stopping_head, state_stopping_body,
state_stopping_size
};
state_t state;
struct parser_node_t {
string element;
string content;
typedef map<string,string> attrs_t;
attrs_t attrs;
bool skip_text, skip_tags;
openid_auth_info_t auth_info;
parser_node_t(const XML_Char *n,const XML_Char **a)
: skip_text(true), skip_tags(true)
{
element = n;
for(;*a;a+=2)
attrs[a[0]] = a[1];
}
};
class parser_tree_t : public list<parser_node_t> {
public:
const_reference top() const { return back(); }
reference top() { return back(); }
const_reference parent() const {
const_reverse_iterator rv = rbegin();
return *(++rv); }
reference parent() {
reverse_iterator rv = rbegin();
return *(++rv); }
inline void pop() { pop_back(); }
inline void push(const_reference e) { push_back(e); }
void push(const XML_Char *n,const XML_Char **a) {
parser_node_t nn(n,a);
if(empty())
nn.skip_text = nn.skip_tags = true;
else{
const_reference t = top();
nn.skip_text = t.skip_text; nn.skip_tags = t.skip_tags;
}
push(nn);
}
};
parser_tree_t tree;
void start_element(const XML_Char *n,const XML_Char **a);
void end_element(const XML_Char *n);
void character_data(const XML_Char *s,int l);
string xrds_location;
openid_auth_SEP_t html_SEP;
openid_auth_info_t auth_info;
void pop_tag();
size_t write(void *p,size_t s,size_t nm);
string http_content_type;
size_t header(void *p,size_t s,size_t nm);
bool xri_mode;
void discover_service(const string& url,bool xri=false);
};
}
#endif /* __OPKELE_OPENID_SERVICE_RESOLVER_H */
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