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-rw-r--r--cholerab/knut/src/io/slurp.js38
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;
+ });
+ });
+ };
+})();