1 files changed, 62 insertions, 0 deletions

diff --git a/docs/app/src/errors.js b/docs/app/src/errors.js
new file mode 100644
index 00000000..b91cfb81
--- /dev/null
+++ b/docs/app/src/errors.js
@@ -0,0 +1,62 @@
+angular.module('errors', ['ngSanitize'])
+
+.filter('errorLink', ['$sanitize', function ($sanitize) {
+  var LINKY_URL_REGEXP = /((ftp|https?):\/\/|(mailto:)?[A-Za-z0-9._%+-]+@)\S*[^\s\.\;\,\(\)\{\}<>]/g,
+      MAILTO_REGEXP = /^mailto:/,
+      STACK_TRACE_REGEXP = /:\d+:\d+$/;
+
+  var truncate = function (text, nchars) {
+    if (text.length > nchars) {
+      return text.substr(0, nchars - 3) + '...';
+    }
+    return text;
+  };
+
+  return function (text, target) {
+    var targetHtml = target ? ' target="' + target + '"' : '';
+
+    if (!text) return text;
+
+    return $sanitize(text.replace(LINKY_URL_REGEXP, function (url) {
+      if (STACK_TRACE_REGEXP.test(url)) {
+        return url;
+      }
+
+      // if we did not match ftp/http/mailto then assume mailto
+      if (!/^((ftp|https?):\/\/|mailto:)/.test(url)) url = 'mailto:' + url;
+
+      return '<a' + targetHtml + ' href="' + url +'">' +
+                truncate(url.replace(MAILTO_REGEXP, ''), 60) +
+              '</a>';
+    }));
+  };
+}])
+
+
+.directive('errorDisplay', ['$location', 'errorLinkFilter', function ($location, errorLinkFilter) {
+  var interpolate = function (formatString) {
+    var formatArgs = arguments;
+    return formatString.replace(/\{\d+\}/g, function (match) {
+      // Drop the braces and use the unary plus to convert to an integer.
+      // The index will be off by one because of the formatString.
+      var index = +match.slice(1, -1);
+      if (index + 1 >= formatArgs.length) {
+        return match;
+      }
+      return formatArgs[index+1];
+    });
+  };
+
+  return {
+    link: function (scope, element, attrs) {
+      var search = $location.search(),
+        formatArgs = [attrs.errorDisplay],
+        i;
+
+      for (i = 0; angular.isDefined(search['p'+i]); i++) {
+        formatArgs.push(search['p'+i]);
+      }
+      element.html(errorLinkFilter(interpolate.apply(null, formatArgs), '_blank'));
+    }
+  };
+}]);
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