uri_builder is constructible from strings

Author: ras0219-msft

Release/include/cpprest/uri_builder.h

@@ -52,6 +52,18 @@ namespace web
         /// <param name="uri_str">Encoded string containing the URI.</param>
         uri_builder(const uri &uri_str): m_uri(uri_str.m_components) {}
 
+        /// <summary>
+        /// Creates a builder with a existing URI string.
+        /// </summary>
+        /// <param name="str">String containing the URI.</param>
+        uri_builder(const utility::string_t& str) : uri_builder(uri(str)) {}
+
+        /// <summary>
+        /// Creates a builder with a existing URI string.
+        /// </summary>
+        /// <param name="str">String containing the URI.</param>
+        uri_builder(const utility::char_t* str) : uri_builder(uri(str)) {}
+
         /// <summary>
         /// Get the scheme component of the URI as an encoded string.
         /// </summary>
@@ -273,13 +285,13 @@ namespace web
         /// Combine and validate the URI components into a encoded string. An exception will be thrown if the URI is invalid.
         /// </summary>
         /// <returns>The created URI as a string.</returns>
-        _ASYNCRTIMP utility::string_t to_string();
+        _ASYNCRTIMP utility::string_t to_string() const;
 
         /// <summary>
         /// Combine and validate the URI components into a URI class instance. An exception will be thrown if the URI is invalid.
         /// </summary>
         /// <returns>The create URI as a URI class instance.</returns>
-        _ASYNCRTIMP uri to_uri();
+        _ASYNCRTIMP uri to_uri() const;
 
         /// <summary>
         /// Validate the generated URI from all existing components of this uri_builder.

Release/src/uri/uri_builder.cpp

@@ -103,12 +103,12 @@ uri_builder &uri_builder::append(const http::uri &relative_uri)
     return *this;
 }
 
-utility::string_t uri_builder::to_string()
+utility::string_t uri_builder::to_string() const
 {
     return to_uri().to_string();
 }
 
-uri uri_builder::to_uri()
+uri uri_builder::to_uri() const
 {
     return uri(m_uri);
 }