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#ifndef __OPKELE_CURL_H
#define __OPKELE_CURL_H
#include <cassert>
#include <string>
#include <algorithm>
#include <curl/curl.h>
namespace opkele {
using std::min;
using std::string;
namespace util {
class curl_slist_t {
public:
curl_slist *_s;
curl_slist_t() : _s(0) { }
curl_slist_t(curl_slist *s) : _s(s) { }
virtual ~curl_slist_t() throw();
curl_slist_t& operator=(curl_slist *s);
operator const curl_slist*(void) const { return _s; }
operator curl_slist*(void) { return _s; }
void append(const char *str);
void append(const string& str) {
append(str.c_str()); }
};
class curl_t {
public:
CURL *_c;
curl_t() : _c(0) { }
curl_t(CURL *c) : _c(c) { }
virtual ~curl_t() throw();
curl_t& operator=(CURL *c);
operator const CURL*(void) const { return _c; }
operator CURL*(void) { return _c; }
CURLcode misc_sets();
template<typename PT>
inline CURLcode easy_setopt(CURLoption o,PT p) { assert(_c); return curl_easy_setopt(_c,o,p); }
inline CURLcode easy_setopt(CURLoption o,const curl_slist_t& p) {
assert(_c); return curl_easy_setopt(_c,o,(const curl_slist*)p); }
CURLcode easy_perform() { assert(_c); return curl_easy_perform(_c); }
template<typename IT>
inline CURLcode easy_getinfo(CURLINFO i,IT p) { assert(_c); return curl_easy_getinfo(_c,i,p); }
static inline CURL *easy_init() { return curl_easy_init(); }
virtual size_t write(void* /* p */,size_t /* s */,size_t /* nm */) { return 0; }
CURLcode set_write();
virtual int progress(double /* dlt */,double /* dln*/ ,double /* ult */,double /* uln */) { return 0; }
CURLcode set_progress();
virtual size_t header(void* /* p */,size_t s,size_t nm) { return s*nm; }
CURLcode set_header();
};
template<int lim>
class curl_fetch_string_t : public curl_t {
public:
curl_fetch_string_t(CURL *c)
: curl_t(c) { }
~curl_fetch_string_t() throw() { }
string response;
size_t write(void *p,size_t size,size_t nmemb) {
size_t bytes = size*nmemb;
size_t get = min(lim-response.length(),bytes);
response.append((const char *)p,get);
return get;
}
};
typedef curl_fetch_string_t<16384> curl_pick_t;
}
}
#endif /* __OPKELE_CURL_H */
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