improve the parsing of form data

examples/form_client.cc

@@ -11,14 +11,19 @@ namespace bfs = boost::filesystem;
 
 int main(int argc, char* argv[]) {
   if (argc < 2) {
-    std::cout << "usage: form_client <upload_dir> [url]" << std::endl;
+    std::cout << "Usage: form_client <upload_dir> [url]" << std::endl;
     std::cout << std::endl;
-    std::cout << "default url: http://httpbin.org/post" << std::endl;
+    std::cout << "Default url: http://httpbin.org/post" << std::endl;
     std::cout << std::endl;
-    std::cout << "examples:" << std::endl;
-    std::cout << "  $ form_client E:/github/webcc/data/upload" << std::endl;
-    std::cout << "  $ form_client E:/github/webcc/data/upload "
+    std::cout << "Examples:" << std::endl;
+    std::cout << "(Post to httpbin.org)" << std::endl;
+    std::cout << "  $ ./form_client path/to/webcc/data/upload" << std::endl;
+    std::cout << "  $ ./form_client path/to/webcc/data/upload "
               << "http://httpbin.org/post" << std::endl;
+    std::cout << "(Post the example 'form_server')" << std::endl;
+    std::cout << "  $ ./form_client path/to/webcc/data/upload "
+                 "http://localhost:8080/upload"
+              << std::endl;
     return 1;
   }
 
@@ -41,10 +46,10 @@ int main(int argc, char* argv[]) {
   webcc::ClientSession session;
 
   try {
-    auto r = session.Send(webcc::RequestBuilder{}.Post(url).
-                          FormFile("file", upload_dir / "remember.txt").
-                          FormData("json", "{}", "application/json")
-                          ());
+    auto r = session.Send(webcc::RequestBuilder{}
+                              .Post(url)
+                              .FormFile("file", upload_dir / "remember.txt")
+                              .FormData("json", "{}", "application/json")());
 
     std::cout << r->status() << std::endl;