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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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