Merged mochiweb branch back into trunk.

git-svn-id: https://svn.apache.org/repos/asf/incubator/couchdb/trunk@648222 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 52 insertions, 0 deletions

diff --git a/src/mochiweb/mochiweb_response.erl b/src/mochiweb/mochiweb_response.erl
new file mode 100644
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--- /dev/null
+++ b/src/mochiweb/mochiweb_response.erl
@@ -0,0 +1,52 @@
+%% @author Bob Ippolito <bob@mochimedia.com>
+%% @copyright 2007 Mochi Media, Inc.
+
+%% @doc Response abstraction.
+
+-module(mochiweb_response, [Request, Code, Headers]).
+-author('bob@mochimedia.com').
+
+-define(QUIP, "Any of you quaids got a smint?").
+
+-export([get_header_value/1, get/1, dump/0]).
+-export([send/1, write_chunk/1]).
+
+%% @spec get_header_value(string() | atom() | binary()) -> string() | undefined
+%% @doc Get the value of the given response header.
+get_header_value(K) ->
+    mochiweb_headers:get_value(K, Headers).
+
+%% @spec get(request | code | headers) -> term()
+%% @doc Return the internal representation of the given field.
+get(request) ->
+    Request;
+get(code) ->
+    Code;
+get(headers) ->
+    Headers.
+
+%% @spec dump() -> {mochiweb_request, [{atom(), term()}]}
+%% @doc Dump the internal representation to a "human readable" set of terms
+%%      for debugging/inspection purposes.
+dump() ->
+    [{request, Request:dump()},
+     {code, Code},
+     {headers, mochiweb_headers:to_list(Headers)}].
+
+%% @spec send(iodata()) -> ok
+%% @doc Send data over the socket if the method is not HEAD.
+send(Data) ->
+    case Request:get(method) of
+	'HEAD' ->
+	    ok;
+	_ ->
+	    Request:send(Data)
+    end.
+
+%% @spec write_chunk(iodata()) -> ok
+%% @doc Write a chunk of a HTTP chunked response. If Data is zero length,
+%%      then the chunked response will be finished.
+write_chunk(Data) ->
+    Length = iolist_size(Data),    
+    send(io_lib:format("~.16b\r\n", [Length])),
+    send([Data, <<"\r\n">>]).