mole expand/collapse API

chrome/test/data/extensions/samples/mappy/mappy_content_script.js

+// find map on demand
+
+console.log("mappy_content_script.js loaded");
+
+var maps_key = "ABQIAAAATfHumDbW3OmRByfquHd3SRTRERdeAiwZ9EeJWta3L_JZVS0bOBRQeZgr4K0xyVKzUdnnuFl8X9PX0w";
+
+chrome.extension.onConnect.addListener(function(port) {
+  //console.log("extension connected");
+  port.onMessage.addListener(function(data) {
+    //console.log("extension sent message");
+    findAddress(port);
+  });
+});
+
+var findAddress = function(port) {
+  var found;
+  var re = /(\d+ [':.,\s\w]*,\s*[A-Za-z]+\s*\d{5}(-\d{4})?)/m;
+  var node = document.body;
+  var done = false;
+  while (!done) {
+    done = true;
+    for (var i = 0; i < node.childNodes.length; ++i) {
+      var child = node.childNodes[i];
+      if (child.textContent.match(re)) {
+        node = child;
+        found = node;
+        done = false;
+        break;
+      }
+    }
+  }
+  if (found) {
+    var text = "";
+    if (found.childNodes.length) {
+      for (var i = 0; i < found.childNodes.length; ++i) {
+        text += found.childNodes[i].textContent + " ";
+      }
+    } else {
+      text = found.textContent;
+    }
+    var match = re.exec(text);
+    if (match && match.length) {
+      console.log("found: " + match[0]);
+      var trim = /\s{2,}/g;
+      var map = match[0].replace(trim, " ");
+      port.postMessage({message:"map", values:[map]});
+    } else {
+      console.log("found bad " + found.textContent);
+      console.log("no match in: " + text);
+    }
+  } else {
+    console.log("no match in " + node.textContent);
+  }
+}
+