115 lines
4.5 KiB
JavaScript
115 lines
4.5 KiB
JavaScript
(function(){
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//make it so I take text and mentions rather than the modelapp.helpers.textFormatter(
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var textFormatter = function textFormatter(text, model) {
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var mentions = model.get("mentioned_people");
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return textFormatter.mentionify(
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textFormatter.hashtagify(
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textFormatter.markdownify(text)
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), mentions
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)
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};
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textFormatter.markdownify = function markdownify(text){
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var converter = Markdown.getSanitizingConverter();
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// punycode non-ascii chars in urls
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converter.hooks.chain("preConversion", function(text) {
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// add < > around plain urls, effectively making them "autolinks"
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// regex copied from: http://daringfireball.net/2010/07/improved_regex_for_matching_urls (slightly modified)
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var urlRegex = /(^|\s)\b((?:[a-z][\w-]+:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?«»“”‘’]))/gi;
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text = text.replace(urlRegex, function(wholematch, space, url) {
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if( url.match(/^[^\w]/) ) return wholematch; // evil witchcraft, noop
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return space+"<"+url+">";
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});
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// process links
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// regex copied from: https://code.google.com/p/pagedown/source/browse/Markdown.Converter.js#1198 (and slightly expanded)
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var linkRegex = /(\[.*\]:\s)?(<|\()((?:(https?|ftp):\/\/[^\/'">\s]|www)[^'">\s]+?)(>|\))/gi;
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text = text.replace(linkRegex, function() {
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var unicodeUrl = arguments[3];
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unicodeUrl = ( unicodeUrl.match(/^www/) ) ? ('http://' + unicodeUrl) : unicodeUrl;
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var addr = parse_url(unicodeUrl);
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if( !addr.host ) addr.host = ""; // must not be 'undefined'
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var asciiUrl = // rebuild the url
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(!addr.scheme ? '' : addr.scheme +
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( (addr.scheme.toLowerCase()=="mailto") ? ':' : '://')) +
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(!addr.user ? '' : addr.user +
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(!addr.pass ? '' : ':'+addr.pass) + '@') +
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punycode.toASCII(addr.host) +
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(!addr.port ? '' : ':' + addr.port) +
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(!addr.path ? '' : encodeURI(addr.path) ) +
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(!addr.query ? '' : '?' + encodeURI(addr.query) ) +
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(!addr.fragment ? '' : '#' + encodeURI(addr.fragment) );
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if( !arguments[1] || arguments[1] == "") { // inline link
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if(arguments[2] == "<") return "["+unicodeUrl+"]("+asciiUrl+")"; // without link text
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else return arguments[2]+asciiUrl+arguments[5]; // with link text
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} else { // reference style link
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return arguments[1]+asciiUrl;
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}
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});
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return text;
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});
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// make nice little utf-8 symbols
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converter.hooks.chain("preConversion", function(text) {
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var input_strings = [
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"<->", "->", "<-",
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"(c)", "(r)", "(tm)",
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"<3"
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];
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var output_symbols = [
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"↔", "→", "←",
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"©", "®", "™",
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"♥"
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];
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// quote function from: http://stackoverflow.com/a/494122
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var quote = function(str) {
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return str.replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
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};
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_.each(input_strings, function(str, idx) {
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var r = new RegExp(quote(str), "gi");
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text = text.replace(r, output_symbols[idx]);
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});
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return text;
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});
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converter.hooks.chain("postConversion", function (text) {
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return text.replace(/(\"(?:(?:http|https):\/\/)?[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(?:\/\S*)?\")(\>)/g, '$1 target="_blank">')
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});
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return converter.makeHtml(text)
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};
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textFormatter.hashtagify = function hashtagify(text){
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var utf8WordCharcters =/(\s|^|>)#([\u0080-\uFFFF|\w|-]+|<3)/g
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return text.replace(utf8WordCharcters, function(hashtag, preceeder, tagText) {
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return preceeder + "<a href='/tags/" + tagText + "' class='tag'>#" + tagText + "</a>"
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})
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};
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textFormatter.mentionify = function mentionify(text, mentions) {
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var mentionRegex = /@\{([^;]+); ([^\}]+)\}/g
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return text.replace(mentionRegex, function(mentionText, fullName, diasporaId) {
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var person = _.find(mentions, function(person){
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return (diasporaId == person.diaspora_id || person.handle) //jquery.mentionsInput gives us person.handle
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})
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if(person) {
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var url = person.url || "/people/" + person.guid //jquery.mentionsInput gives us person.url
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, personText = "<a href='" + url + "' class='mention'>" + fullName + "</a>"
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} else {
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personText = fullName;
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}
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return personText
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})
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}
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app.helpers.textFormatter = textFormatter;
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})();
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