add missing file

chrome/content/zotero/xpcom/integration_worker.js

@@ -0,0 +1,66 @@
+/*
+    ***** BEGIN LICENSE BLOCK *****
+    
+    Copyright © 2009 Center for History and New Media
+                     George Mason University, Fairfax, Virginia, USA
+                     http://zotero.org
+    
+    This file is part of Zotero.
+    
+    Zotero is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+    
+    Zotero is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+    
+    You should have received a copy of the GNU General Public License
+    along with Zotero.  If not, see <http://www.gnu.org/licenses/>.
+    
+    ***** END LICENSE BLOCK *****
+*/
+
+onmessage = function(event) {
+	var path = event.data.path;
+	
+	// ctypes declarations follow
+	var lib = ctypes.open(event.data.libc);
+	
+	// int open(const char *path, int oflag, ...);
+	var open = lib.declare("open", ctypes.default_abi, ctypes.int, ctypes.char.ptr, ctypes.int); 
+	
+	// ssize_t read(int fildes, void *buf, size_t nbyte);
+	var read = lib.declare("read", ctypes.default_abi, ctypes.ssize_t, ctypes.int,
+		ctypes.char.ptr, ctypes.size_t); 
+	
+	// int close(int fildes);
+	var close = lib.declare("close", ctypes.default_abi, ctypes.int, ctypes.int); 
+	
+	// define buffer for reading from fifo
+	const BUFFER_SIZE = 4096;
+	var buf = ctypes.char.array(BUFFER_SIZE)("");
+	var bufPtr = buf.address();
+	
+	while(true) {
+		// open fifo (this will block until something writes to it)
+		var fd = open(path, 0);
+		
+		// read from fifo and close it
+		read(fd, buf, BUFFER_SIZE);
+		close(fd);
+		
+		// extract message
+		var parts = buf.readString().match(/^([^ \n]*) ([^ \n]*)(?: ([^\n]*))?\n?$/);
+		var agent = parts[1].toString();
+		var cmd = parts[2].toString();
+		var document = parts[3] ? parts[3] : null;
+		if(agent == "Zotero" && cmd == "shutdown") {
+			lib.close();
+			return;
+		}
+		postMessage([agent, cmd, document]);
+	}
+};