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284 lines
10 KiB
284 lines
10 KiB
// 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 ) { |
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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 = $.MAL.getPostTemplate().clone(true); |
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elem.removeAttr('id'); |
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elem.addClass(kind); |
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elem.attr('data-time', t); |
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var postData = elem.find(".post-data"); |
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postData.addClass(kind); |
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postData.attr('data-userpost', postJson); |
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postData.attr('data-content_to_rt', content_to_rt); |
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postData.attr('data-content_to_sigrt', content_to_sigrt); |
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postData.attr('data-screen-name', n); |
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postData.attr('data-id', k); |
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postData.attr('data-text', msg); |
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if( "reply" in userpost ) { |
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postData.attr('data-replied-to-screen-name', userpost["reply"]["n"]); |
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postData.attr('data-replied-to-id', userpost["reply"]["k"]); |
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} |
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var postInfoName = elem.find(".post-info-name"); |
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postInfoName.attr('href',$.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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elem.find(".post-area-new textarea").attr("placeholder", polyglot.t("reply_to", { fullname: replyTo })+ "..."); |
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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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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.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 reAll = new RegExp("(?:^|[ \\n\\t.,:\\/?!])(#|@|" + strUrlRegexp + "|" + strEmailRegexp + ")"); |
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var reHttp = new RegExp(strUrlRegexp); |
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var reEmail = new RegExp(strEmailRegexp); |
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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.indexOf(" "); |
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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('&', '&'); |
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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",url); |
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extLinkTemplate.html(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.indexOf(" "); |
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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.html(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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} |
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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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msg = $.emotions(msg); |
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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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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.replace('&', '&').replace('<', '<').replace('>', '>').replace('"', '"').replace("'", '''); |
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}
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