1 files changed, 137 insertions, 0 deletions
diff --git a/nixos/gui/chrome/content/io.js b/nixos/gui/chrome/content/io.js
new file mode 100644
index 000000000000..8d9c8c173656
--- /dev/null
+++ b/nixos/gui/chrome/content/io.js
@@ -0,0 +1,137 @@
+
+function inspect(obj, maxLevels, level)
+{
+  var str = '', type, msg;
+
+    // Start Input Validations
+    // Don't touch, we start iterating at level zero
+    if(level == null)  level = 0;
+
+    // At least you want to show the first level
+    if(maxLevels == null) maxLevels = 1;
+    if(maxLevels < 1)
+        return '<font color="red">Error: Levels number must be > 0</font>';
+
+    // We start with a non null object
+    if(obj == null)
+    return '<font color="red">Error: Object <b>NULL</b></font>';
+    // End Input Validations
+
+    // Each Iteration must be indented
+    str += '<ul>';
+
+    // Start iterations for all objects in obj
+    for(property in obj)
+    {
+      try
+      {
+          // Show "property" and "type property"
+          type =  typeof(obj[property]);
+          str += '<li>(' + type + ') ' + property +
+                 ( (obj[property]==null)?(': <b>null</b>'):('')) + '</li>';
+
+          // We keep iterating if this property is an Object, non null
+          // and we are inside the required number of levels
+          if((type == 'object') && (obj[property] != null) && (level+1 < maxLevels))
+          str += inspect(obj[property], maxLevels, level+1);
+      }
+      catch(err)
+      {
+        // Is there some properties in obj we can't access? Print it red.
+        if(typeof(err) == 'string') msg = err;
+        else if(err.message)        msg = err.message;
+        else if(err.description)    msg = err.description;
+        else                        msg = 'Unknown';
+
+        str += '<li><font color="red">(Error) ' + property + ': ' + msg +'</font></li>';
+      }
+    }
+
+      // Close indent
+      str += '</ul>';
+
+    return str;
+}
+
+// Run xulrunner application.ini -jsconsole -console, to see messages.
+function log(str)
+{
+  Components.classes['@mozilla.org/consoleservice;1']
+    .getService(Components.interfaces.nsIConsoleService)
+    .logStringMessage(str);
+}
+
+function makeTempFile(prefix)
+{
+  var file = Components.classes["@mozilla.org/file/directory_service;1"]
+                       .getService(Components.interfaces.nsIProperties)
+                       .get("TmpD", Components.interfaces.nsIFile);
+  file.append(prefix || "xulrunner");
+  file.createUnique(Components.interfaces.nsIFile.NORMAL_FILE_TYPE, 0664);
+  return file;
+}
+
+function writeToFile(file, data)
+{
+  // file is nsIFile, data is a string
+  var foStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
+                           .createInstance(Components.interfaces.nsIFileOutputStream);
+
+  // use 0x02 | 0x10 to open file for appending.
+  foStream.init(file, 0x02 | 0x08 | 0x20, 0664, 0); // write, create, truncate
+  foStream.write(data, data.length);
+  foStream.close();
+}
+
+function readFromFile(file)
+{
+  // |file| is nsIFile
+  var data = "";
+  var fstream = Components.classes["@mozilla.org/network/file-input-stream;1"]
+                          .createInstance(Components.interfaces.nsIFileInputStream);
+  var sstream = Components.classes["@mozilla.org/scriptableinputstream;1"]
+                          .createInstance(Components.interfaces.nsIScriptableInputStream);
+  fstream.init(file, -1, 0, 0);
+  sstream.init(fstream);
+
+  var str = sstream.read(4096);
+  while (str.length > 0) {
+    data += str;
+    str = sstream.read(4096);
+  }
+
+  sstream.close();
+  fstream.close();
+
+  return data;
+}
+
+function runProgram(commandLine)
+{
+  // create an nsILocalFile for the executable
+  var file = Components.classes["@mozilla.org/file/local;1"]
+                       .createInstance(Components.interfaces.nsILocalFile);
+  file.initWithPath("/bin/sh");
+
+  // create an nsIProcess
+  var process = Components.classes["@mozilla.org/process/util;1"]
+                          .createInstance(Components.interfaces.nsIProcess);
+  process.init(file);
+
+  // Run the process.
+  // If first param is true, calling thread will be blocked until
+  // called process terminates.
+  // Second and third params are used to pass command-line arguments
+  // to the process.
+  var args = ["-c", commandLine];
+  process.run(true, args, args.length);
+}
+
+// only for testing...
+function testIO()
+{
+  var f = makeTempFile();
+  writeToFile(f, "essai\ntest");
+  alert(readFromFile(f));
+  runProgram("zenity --info");
+}