X-Git-Url: http://nitlanguage.org

diff --git a/lib/curl/curl.nit b/lib/curl/curl.nit
index 6c14bdc..6ae0b9a 100644
--- a/lib/curl/curl.nit
+++ b/lib/curl/curl.nit
@@ -14,7 +14,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Curl services: `CurlHTTPRequest` and `CurlMail`
+# Data transfer with URL syntax
+#
+# Download or upload over HTTP with `CurlHTTPRequest` and send emails with `CurlMail`.
 module curl
 
 import native_curl
@@ -71,20 +73,46 @@ class CurlRequest
 	end
 end
 
-# CURL HTTP Request
+# HTTP request builder
+#
+# The request itself is sent by either `execute` or `download_to_file`.
+# The attributes of this class must be set before calling either of these two methods.
+#
+# ## Minimal usage example
+#
+# ~~~
+# var request = new CurlHTTPRequest("http://example.org/")
+# var response = request.execute
+# if response isa CurlResponseSuccess then
+#     print "Response status code: {response.status_code}"
+#     print response.body_str
+# else if response isa CurlResponseFailed then
+#     print_error response.error_msg
+# end
+# ~~~
 class CurlHTTPRequest
 	super CurlRequest
 	super NativeCurlCallbacks
 
+	# Address of the remote resource to request
 	var url: String
-	var datas: nullable HeaderMap = null is writable
-	var headers: nullable HeaderMap = null is writable
-	var delegate: nullable CurlCallbacks = null is writable
+
+	# Data for the body of a POST request
+	var data: nullable HeaderMap is writable
+
+	# Header content of the request
+	var headers: nullable HeaderMap is writable
+
+	# Delegates to customize the behavior when running `execute`
+	var delegate: nullable CurlCallbacks is writable
 
 	# Set the user agent for all following HTTP requests
-	var user_agent: nullable String = null is writable
+	var user_agent: nullable String is writable
 
-	# Execute HTTP request with settings configured through attribute
+	# Execute HTTP request
+	#
+	# By default, the response body is returned in an instance of `CurlResponse`.
+	# This behavior can be customized by setting a custom `delegate`.
 	fun execute: CurlResponse
 	do
 		if not self.curl.is_ok then return answer_failure(0, "Curl instance is not correctly initialized")
@@ -123,9 +151,9 @@ class CurlHTTPRequest
 		end
 
 		# Datas
-		var datas = self.datas
-		if datas != null then
-			var postdatas = datas.to_url_encoded(self.curl)
+		var data = self.data
+		if data != null then
+			var postdatas = data.to_url_encoded(self.curl)
 			err = self.curl.native.easy_setopt(new CURLOption.postfields, postdatas)
 			if not err.is_ok then return answer_failure(err.to_i, err.to_s)
 		end
@@ -165,7 +193,7 @@ class CurlHTTPRequest
 		if not output_file_name == null then
 			opt_name = output_file_name
 		else if not self.url.substring(self.url.length-1, self.url.length) == "/" then
-			opt_name = self.url.basename("")
+			opt_name = self.url.basename
 		else
 			return answer_failure(0, "Unable to extract file name, please specify one")
 		end
@@ -252,7 +280,10 @@ class CurlMail
 	# Content header
 	var headers_body = new HeaderMap is lazy, writable
 
-	private var supported_outgoing_protocol: Array[String] = ["smtp", "smtps"]
+	# Protocols supported to send mail to a server
+	#
+	# Default value at `["smtp", "smtps"]`
+	var supported_outgoing_protocol: Array[String] = ["smtp", "smtps"]
 
 	# Helper method to add pair values to mail content while building it (ex: "To:", "address@mail.com")
 	private fun add_pair_to_content(str: String, att: String, val: nullable String): String