base project

node_modules/union/lib/http-stream.js

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+/*
+ * http-stream.js: Idomatic buffered stream which pipes additional HTTP information.
+ *
+ * (C) 2011, Charlie Robbins & the Contributors
+ * MIT LICENSE
+ *
+ */
+
+var url = require('url'),
+    util = require('util'),
+    qs = require('qs'),
+    BufferedStream = require('./buffered-stream');
+
+var HttpStream = module.exports = function (options) {
+  options = options || {};
+  BufferedStream.call(this, options.limit);
+
+  if (options.buffer === false) {
+    this.buffer = false;
+  }
+
+  this.on('pipe', this.pipeState);
+};
+
+util.inherits(HttpStream, BufferedStream);
+
+//
+// ### function pipeState (source)
+// #### @source {ServerRequest|HttpStream} Source stream piping to this instance
+// Pipes additional HTTP metadata from the `source` HTTP stream (either concrete or
+// abstract) to this instance. e.g. url, headers, query, etc.
+//
+// Remark: Is there anything else we wish to pipe?
+//
+HttpStream.prototype.pipeState = function (source) {
+  this.headers = source.headers;
+  this.trailers = source.trailers;
+  this.method = source.method;
+
+  if (source.url) {
+    this.url = this.originalUrl = source.url;
+  }
+
+  if (source.query) {
+    this.query = source.query;
+  }
+  else if (source.url) {
+    this.query = ~source.url.indexOf('?')
+      ? qs.parse(url.parse(source.url).query)
+      : {};
+  }
+};