cholerab knut: initial commit

1 files changed, 38 insertions, 0 deletions

diff --git a/cholerab/knut/src/io/slurp.js b/cholerab/knut/src/io/slurp.js
new file mode 100644
index 00000000..70319743
--- /dev/null
+++ b/cholerab/knut/src/io/slurp.js
@@ -0,0 +1,38 @@
+module.exports = (function () {
+
+  function join_buffers (buffers, length) {
+    var buffer = new Buffer(length);
+    var targetStart = 0;
+    buffers.forEach(function (x) {
+      x.copy(buffer, targetStart);
+      targetStart += x.length;
+    });
+    return buffer;
+  };
+
+  function finish_it (req, buffers, length, callback) {
+    req.content = join_buffers(buffers, length);
+    return callback(req.content);
+  };
+
+  function nop () {};
+
+  return function (req, callback) {
+    if (req.hasOwnProperty('content')) {
+      return callback(req.content);
+    };
+    var content = [];
+    var length = 0;
+    var end_handler = finish_it;
+    req.on('data', function (data) {
+      content.push(data);
+      length += data.length;
+    });
+    [ 'end', 'close' ].forEach(function (event) {
+      req.on(event, function () {
+        finish_it(req, content, length, callback);
+        end_handler = nop;
+      });
+    });
+  };
+})();