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349 lines
13 KiB
349 lines
13 KiB
10 years ago
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// twister_formatpost.js
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// 2013 Miguel Freitas
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//
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// Format JSON posts and DMs to HTML.
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// format "userpost" to html element
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// kind = "original"/"ancestor"/"descendant"
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function postToElem( post, kind, promoted ) {
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/*
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"userpost" :
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{
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"n" : username,
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"k" : seq number,
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"t" : "post" / "dm" / "rt"
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"msg" : message (post/rt)
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"time" : unix utc
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"height" : best height at user
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"dm" : encrypted message (dm) -opt
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"rt" : original userpost - opt
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"sig_rt" : sig of rt - opt
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"reply" : - opt
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{
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"n" : reference username
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"k" : reference k
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}
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}
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"sig_userpost" : signature by userpost.n
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*/
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// Obtain data from userpost
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var postJson = $.toJSON(post);
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var userpost = post["userpost"];
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if( "rt" in userpost ) {
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var rt = userpost["rt"];
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var n = rt["n"];
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var k = rt["k"];
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var t = rt["time"];
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var msg = rt["msg"];
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var content_to_rt = $.toJSON(rt);
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var content_to_sigrt = userpost["sig_rt"];
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var retweeted_by = userpost["n"];
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} else {
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var n = userpost["n"];
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var k = userpost["k"];
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var t = userpost["time"];
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var msg = userpost["msg"]
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var content_to_rt = $.toJSON(userpost);
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var content_to_sigrt = post["sig_userpost"];
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var retweeted_by = undefined;
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}
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// Now create the html elements
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var elem = $.MAL.getPostTemplate().clone(true);
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elem.removeAttr('id');
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elem.addClass(kind);
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elem.attr('data-time', t);
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var postData = elem.find(".post-data");
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postData.addClass(kind);
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postData.attr('data-userpost', postJson);
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postData.attr('data-content_to_rt', content_to_rt);
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postData.attr('data-content_to_sigrt', content_to_sigrt);
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postData.attr('data-screen-name', n);
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postData.attr('data-id', k);
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postData.attr('data-lastk', userpost["lastk"]);
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postData.attr('data-text', msg);
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if( "reply" in userpost ) {
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postData.attr('data-replied-to-screen-name', userpost["reply"]["n"]);
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postData.attr('data-replied-to-id', userpost["reply"]["k"]);
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postData.find('.post-expand').text(polyglot.t("Show conversation"));
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} else if ( "rt" in userpost && "reply" in userpost["rt"] ) {
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postData.attr('data-replied-to-screen-name', userpost["rt"]["reply"]["n"]);
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postData.attr('data-replied-to-id', userpost["rt"]["reply"]["k"]);
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postData.find('.post-expand').text(polyglot.t("Show conversation"));
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}
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var postInfoName = elem.find(".post-info-name");
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postInfoName.attr('href',$.MAL.userUrl(n));
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postInfoName.text(n);
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getFullname( n, postInfoName );
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elem.find(".post-info-tag").text = "@" + n;
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getAvatar( n, elem.find(".avatar") );
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elem.find(".post-info-time").text(timeGmtToText(t));
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elem.find(".post-info-time").attr("title",timeSincePost(t));
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var mentions = [];
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htmlFormatMsg( msg, elem.find(".post-text"), mentions);
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postData.attr('data-text-mentions', mentions);
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var replyTo = "";
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if( n != defaultScreenName )
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replyTo += "@" + n + " ";
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for( var i = 0; i < mentions.length; i++ ) {
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if( mentions[i] != n && mentions[i] != defaultScreenName ) {
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replyTo += "@" + mentions[i] + " ";
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}
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}
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if(!defaultScreenName)
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{
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elem.find(".post-area-new textarea").attr("placeholder", polyglot.t("You have to log in to post replies."));
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}
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else
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{
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elem.find(".post-area-new textarea").attr("placeholder", polyglot.t("reply_to", { fullname: replyTo })+ "...");
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}
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elem.find(".post-area-new textarea").attr("data-reply-to",replyTo);
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postData.attr("data-reply-to",replyTo);
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if( retweeted_by != undefined ) {
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elem.find(".post-context").show();
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var retweetedByElem = elem.find(".post-retransmited-by");
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retweetedByElem.attr("href", $.MAL.userUrl(retweeted_by));
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retweetedByElem.text('@'+retweeted_by);
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}
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if (typeof(promoted) !== 'undefined' && promoted)
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elem.find('.post-propagate').remove();
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return elem;
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}
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// format dmdata (returned by getdirectmsgs) to display in "snippet" per user list
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function dmDataToSnippetItem(dmData, remoteUser) {
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var dmItem = $("#dm-snippet-template").clone(true);
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dmItem.removeAttr('id');
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dmItem.attr("data-dm-screen-name",remoteUser);
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dmItem.attr("data-last_id", dmData.id);
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dmItem.attr("data-time", dmData.time);
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dmItem.find(".post-info-tag").text("@" + remoteUser);
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dmItem.find("a.post-info-name").attr("href", $.MAL.userUrl(remoteUser));
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dmItem.find("a.dm-chat-link").attr("href", $.MAL.dmchatUrl(remoteUser));
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getAvatar( remoteUser, dmItem.find(".post-photo").find("img") );
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getFullname( remoteUser, dmItem.find("a.post-info-name") );
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dmItem.find(".post-text").html(escapeHtmlEntities(dmData.text));
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dmItem.find(".post-info-time").text(timeGmtToText(dmData.time));
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dmItem.find(".post-info-time").attr("title",timeSincePost(dmData.time));
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return dmItem;
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}
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// format dmdata (returned by getdirectmsgs) to display in conversation thread
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function dmDataToConversationItem(dmData, localUser, remoteUser) {
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var classDm = dmData.fromMe ? "sent" : "received";
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var dmItem = $("#dm-chat-template").clone(true);
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dmItem.removeAttr('id');
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dmItem.addClass(classDm);
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getAvatar(dmData.fromMe ? localUser : remoteUser, dmItem.find(".post-photo").find("img") );
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dmItem.find(".post-info-time").text(timeGmtToText(dmData.time));
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dmItem.find(".post-info-time").attr("title",timeSincePost(dmData.time));
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var mentions = [];
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htmlFormatMsg( dmData.text, dmItem.find(".post-text"), mentions);
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return dmItem;
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}
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// convert message text to html, featuring @users and links formating.
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// todo: hashtags
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function htmlFormatMsg( msg, output, mentions ) {
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var tmp;
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var match = null;
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var index;
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var strUrlRegexp = "http[s]?://";
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var strEmailRegexp = "\\S+@\\S+\\.\\S+";
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var strSplitCounterR = "\\(\\d{1,2}\\/\\d{1,2}\\)$";
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var reAll = new RegExp("(?:^|[ \\n\\t.,:\\/?!])(#|@|" + strUrlRegexp + "|" + strEmailRegexp + "|" + strSplitCounterR + ")");
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var reHttp = new RegExp(strUrlRegexp);
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var reEmail = new RegExp(strEmailRegexp);
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var reSplitCounter = new RegExp(strSplitCounterR);
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msg = escapeHtmlEntities(msg);
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while( msg != undefined && msg.length ) {
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match = reAll.exec(msg);
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if( match ) {
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index = (match[0] === match[1]) ? match.index : match.index + 1;
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if( match[1] == "@" ) {
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output.append(_formatText(msg.substr(0, index)));
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tmp = msg.substr(index+1);
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var username = _extractUsername(tmp);
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if( username.length ) {
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if( mentions.indexOf(username) < 0 )
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mentions.push(username);
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var userLinkTemplate = $("#msg-user-link-template").clone(true);
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userLinkTemplate.removeAttr("id");
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userLinkTemplate.attr("href",$.MAL.userUrl(username));
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userLinkTemplate.text("@"+username);
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output.append(userLinkTemplate);
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msg = tmp.substr(String(username).length);
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continue;
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}
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output.append('@');
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msg = tmp;
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continue;
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}
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if( reHttp.exec(match[1]) ) {
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output.append(_formatText(msg.substr(0, index)));
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tmp = msg.substring(index);
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var space = tmp.search(/[ \n\t]/);
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var url;
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if( space != -1 ) url = tmp.substring(0,space); else url = tmp;
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if( url.length ) {
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msg = tmp.substr(String(url).length);
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url = url.replace(/&/g, '&');
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var extLinkTemplate = $("#external-page-link-template").clone(true);
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extLinkTemplate.removeAttr("id");
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if ($.Options.getUseProxyOpt() !== 'disable' && !$.Options.getUseProxyForImgOnlyOpt()){
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//proxy alternatives may be added to options page...
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if ($.Options.getUseProxyOpt() === 'ssl-proxy-my-addr') {
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extLinkTemplate.attr('href', 'https://ssl-proxy.my-addr.org/myaddrproxy.php/' +
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url.substring(0, url.indexOf(':')) +
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url.substr(url.indexOf('/') + 1));
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} else if ($.Options.getUseProxyOpt() ==='anonymouse') {
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extLinkTemplate.attr('href', 'http://anonymouse.org/cgi-bin/anon-www.cgi/' + url);
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}
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} else {
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extLinkTemplate.attr("href",url);
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}
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extLinkTemplate.text(url);
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extLinkTemplate.attr("title",url);
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output.append(extLinkTemplate);
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continue;
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}
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}
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if( reEmail.exec(match[1]) ) {
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output.append(_formatText(msg.substr(0, index)));
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tmp = msg.substring(index);
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var space = tmp.search(/[ \n\t]/);
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var email;
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if( space != -1 ) email = tmp.substring(0,space); else email = tmp;
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if( email.length ) {
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var extLinkTemplate = $("#external-page-link-template").clone(true);
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extLinkTemplate.removeAttr("id");
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extLinkTemplate.attr("href","mailto:" + email);
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extLinkTemplate.text(email);
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extLinkTemplate.attr("title",email);
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output.append(extLinkTemplate);
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msg = tmp.substr(String(email).length);
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continue;
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}
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}
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if( match[1] == "#" ) {
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output.append(_formatText(msg.substr(0, index)));
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tmp = msg.substr(index+1);
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var hashtag = _extractHashtag(tmp);
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if( hashtag.length ) {
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var hashtag_lc='';
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for( var i = 0; i < hashtag.length; i++ ) {
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var c = hashtag[i];
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hashtag_lc += (c >= 'A' && c <= 'Z') ? c.toLowerCase() : c;
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}
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var hashtagLinkTemplate = $("#hashtag-link-template").clone(true);
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hashtagLinkTemplate.removeAttr("id");
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hashtagLinkTemplate.attr("href",$.MAL.hashtagUrl(hashtag_lc));
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hashtagLinkTemplate.text("#"+hashtag);
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output.append(hashtagLinkTemplate);
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msg = tmp.substr(String(hashtag).length);
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continue;
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}
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output.append('#');
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msg = tmp;
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continue;
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}
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if (reSplitCounter.exec(match[1])) {
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output.append(_formatText(msg.substr(0, index)));
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tmp = msg.substring(index);
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if( tmp.length ) {
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var splitCounter = $('<span class="splited-post-counter"></span>');
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splitCounter.text(tmp);
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output.append(splitCounter);
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msg = "";
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continue;
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}
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}
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}
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output.append(_formatText(msg));
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msg = "";
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}
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}
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// internal function for htmlFormatMsg
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function _formatText(msg)
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{
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// TODO: add options for emotions and linefeeds
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//msg = $.emotions(msg);
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if( $.Options.getLineFeedsOpt() == "enable" )
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msg = msg.replace(/\n/g, '<br />');
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return msg;
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}
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function _extractUsername(s) {
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var username = "";
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for( var i = 0; i < s.length; i++ ) {
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var c = s.charCodeAt(i);
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if( (c >= 'a'.charCodeAt(0) && c <= 'z'.charCodeAt(0)) ||
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(c >= 'A'.charCodeAt(0) && c <= 'Z'.charCodeAt(0)) ||
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(c >= '0'.charCodeAt(0) && c <= '9'.charCodeAt(0)) ||
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c == '_'.charCodeAt(0) ) {
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username += s[i];
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} else {
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break;
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}
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}
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return username.toLowerCase();
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}
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// internal function for htmlFormatMsg
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function _extractHashtag(s) {
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var hashtag = "";
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s = reverseHtmlEntities(s);
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for( var i = 0; i < s.length; i++ ) {
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if( " \n\t.,:/?!;'\"()[]{}*".indexOf(s[i]) < 0 ) {
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hashtag += s[i];
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} else {
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break;
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}
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}
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return hashtag;
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}
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function escapeHtmlEntities(str) {
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return str
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.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, ''');
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}
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function reverseHtmlEntities(str) {
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return str
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.replace(/&/g, '&')
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.replace(/</g, '<')
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.replace(/>/g, '>')
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.replace(/"/g, '"')
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.replace(/'/g, "'");
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}
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||
|
|
|