asio: Assign values to uri_ref directly

src/asio_client_request_impl.cc

@@ -80,26 +80,12 @@ void request_impl::uri(uri_ref uri) { uri_ = std::move(uri); }
 
 const uri_ref &request_impl::uri() const { return uri_; }
 
+uri_ref &request_impl::uri() { return uri_; }
+
 void request_impl::method(std::string s) { method_ = std::move(s); }
 
 const std::string &request_impl::method() const { return method_; }
 
-void request_impl::scheme(std::string s) { scheme_ = std::move(s); }
-
-const std::string &request_impl::scheme() const { return scheme_; }
-
-void request_impl::path(std::string s) { path_ = std::move(s); }
-
-const std::string &request_impl::path() const { return path_; }
-
-void request_impl::authority(std::string s) { authority_ = std::move(s); }
-
-const std::string &request_impl::authority() const { return authority_; }
-
-void request_impl::host(std::string s) { host_ = std::move(s); }
-
-const std::string &request_impl::host() const { return host_; }
-
 } // namespace client
 } // namespace asio_http2
 } // namespace nghttp2

src/asio_client_request_impl.h

@@ -65,22 +65,11 @@ public:
 
   void uri(uri_ref uri);
   const uri_ref &uri() const;
+  uri_ref &uri();
 
   void method(std::string s);
   const std::string &method() const;
 
-  void scheme(std::string s);
-  const std::string &scheme() const;
-
-  void path(std::string s);
-  const std::string &path() const;
-
-  void authority(std::string s);
-  const std::string &authority() const;
-
-  void host(std::string s);
-  const std::string &host() const;
-
 private:
   header_map header_;
   response_cb response_cb_;
@@ -90,10 +79,6 @@ private:
   class stream *strm_;
   uri_ref uri_;
   std::string method_;
-  std::string scheme_;
-  std::string path_;
-  std::string authority_;
-  std::string host_;
 };
 
 } // namespace client

src/asio_client_session_impl.cc

@@ -162,24 +162,25 @@ int on_header_callback(nghttp2_session *session, const nghttp2_frame *frame,
     }
 
     auto &req = strm->request().impl();
+    auto &uri = req.uri();
 
     switch (http2::lookup_token(name, namelen)) {
     case http2::HD__METHOD:
       req.method(std::string(value, value + valuelen));
       break;
     case http2::HD__SCHEME:
-      req.scheme(std::string(value, value + valuelen));
+      uri.scheme.assign(value, value + valuelen);
       break;
     case http2::HD__PATH:
-      req.path(std::string(value, value + valuelen));
+      split_path(uri, value, value + valuelen);
       break;
     case http2::HD__AUTHORITY:
-      req.authority(std::string(value, value + valuelen));
-      // host defaults to authority value
-      req.host(std::string(value, value + valuelen));
+      uri.host.assign(value, value + valuelen);
       break;
     case http2::HD_HOST:
-      req.host(std::string(value, value + valuelen));
+      if (uri.host.empty()) {
+        uri.host.assign(value, value + valuelen);
+      }
     // fall through
     default:
       req.header().emplace(std::string(name, name + namelen),
@@ -246,11 +247,6 @@ int on_frame_recv_callback(nghttp2_session *session, const nghttp2_frame *frame,
       return 0;
     }
 
-    auto &req = push_strm->request().impl();
-    req.uri(make_uri_ref(req.scheme(),
-                         req.authority().empty() ? req.host() : req.authority(),
-                         req.path()));
-
     strm->request().impl().call_on_push(push_strm->request());
 
     break;
@@ -392,16 +388,13 @@ const request *session_impl::submit(boost::system::error_code &ec,
   auto &req = strm->request().impl();
   req.header(std::move(h));
 
-  {
-    std::string scheme, host, raw_path, raw_query;
-    http2::copy_url_component(scheme, &u, UF_SCHEMA, uri.c_str());
-    http2::copy_url_component(host, &u, UF_HOST, uri.c_str());
-    http2::copy_url_component(raw_path, &u, UF_PATH, uri.c_str());
-    http2::copy_url_component(raw_query, &u, UF_QUERY, uri.c_str());
+  auto &uref = req.uri();
+  http2::copy_url_component(uref.scheme, &u, UF_SCHEMA, uri.c_str());
+  http2::copy_url_component(uref.host, &u, UF_HOST, uri.c_str());
+  http2::copy_url_component(uref.raw_path, &u, UF_PATH, uri.c_str());
+  http2::copy_url_component(uref.raw_query, &u, UF_QUERY, uri.c_str());
 
-    req.uri(make_uri_ref(std::move(scheme), std::move(host),
-                         std::move(raw_path), std::move(raw_query)));
-  }
+  uref.path = percent_decode(uref.raw_path);
 
   nghttp2_data_provider *prdptr = nullptr;
   nghttp2_data_provider prd;

src/asio_common.cc

@@ -57,28 +57,5 @@ read_cb string_reader(std::string data) {
   };
 }
 
-uri_ref make_uri_ref(std::string scheme, std::string host, std::string raw_path,
-                     std::string raw_query) {
-  return uri_ref{
-      std::move(scheme), std::move(host), percent_decode(raw_path),
-      std::move(raw_path),
-  };
-}
-
-uri_ref make_uri_ref(std::string scheme, std::string host,
-                     const std::string &raw_path_query) {
-  auto path_end = raw_path_query.find('?');
-  std::size_t query_pos;
-  if (path_end == std::string::npos) {
-    query_pos = path_end = raw_path_query.size();
-  } else {
-    query_pos = path_end + 1;
-  }
-  return uri_ref{std::move(scheme), std::move(host),
-                 util::percentDecode(std::begin(raw_path_query),
-                                     std::begin(raw_path_query) + path_end),
-                 raw_path_query.substr(query_pos)};
-}
-
 } // namespace asio_http2
 } // namespace nghttp2

src/asio_common.h

@@ -31,20 +31,32 @@
 
 #include <nghttp2/asio_http2.h>
 
+#include "util.h"
+
 namespace nghttp2 {
+
 namespace asio_http2 {
 
 read_cb string_reader(std::string data);
 
 boost::system::error_code make_error_code(nghttp2_error ev);
 
-uri_ref make_uri_ref(std::string scheme, std::string host, std::string raw_path,
-                     std::string raw_query);
-
-uri_ref make_uri_ref(std::string scheme, std::string host,
-                     const std::string &raw_path_query);
+template <typename InputIt>
+void split_path(uri_ref &dst, InputIt first, InputIt last) {
+  auto path_last = std::find(first, last, '?');
+  InputIt query_first;
+  if (path_last == last) {
+    query_first = path_last = last;
+  } else {
+    query_first = path_last + 1;
+  }
+  dst.path = util::percentDecode(first, path_last);
+  dst.raw_path.assign(first, path_last);
+  dst.raw_query.assign(query_first, last);
+}
 
 } // namespace asio_http2
+
 } // namespace nghttp2
 
 #endif // ASIO_COMMON_H

src/includes/nghttp2/asio_http2.h

@@ -79,6 +79,7 @@ struct uri_ref {
   std::string host;
   // percent-decoded form
   std::string path;
+  std::string raw_path;
   std::string raw_query;
   std::string fragment;
 };

src/util.cc

@@ -137,25 +137,6 @@ uint32_t hex_to_uint(char c) {
   return c;
 }
 
-std::string percentDecode(std::string::const_iterator first,
-                          std::string::const_iterator last) {
-  std::string result;
-  for (; first != last; ++first) {
-    if (*first == '%') {
-      if (first + 1 != last && first + 2 != last && isHexDigit(*(first + 1)) &&
-          isHexDigit(*(first + 2))) {
-        result += (hex_to_uint(*(first + 1)) << 4) + hex_to_uint(*(first + 2));
-        first += 2;
-        continue;
-      }
-      result += *first;
-      continue;
-    }
-    result += *first;
-  }
-  return result;
-}
-
 std::string quote_string(const std::string &target) {
   auto cnt = std::count(std::begin(target), std::end(target), '"');
 

src/util.h

@@ -175,8 +175,24 @@ std::string percentEncode(const unsigned char *target, size_t len);
 
 std::string percentEncode(const std::string &target);
 
-std::string percentDecode(std::string::const_iterator first,
-                          std::string::const_iterator last);
+template <typename InputIt>
+std::string percentDecode(InputIt first, InputIt last) {
+  std::string result;
+  for (; first != last; ++first) {
+    if (*first == '%') {
+      if (first + 1 != last && first + 2 != last && isHexDigit(*(first + 1)) &&
+          isHexDigit(*(first + 2))) {
+        result += (hex_to_uint(*(first + 1)) << 4) + hex_to_uint(*(first + 2));
+        first += 2;
+        continue;
+      }
+      result += *first;
+      continue;
+    }
+    result += *first;
+  }
+  return result;
+}
 
 // Percent encode |target| if character is not in token or '%'.
 std::string percent_encode_token(const std::string &target);