twister HTML + Javascript User Interface
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// twister_formatpost.js
// 2013 Miguel Freitas
//
// Format JSON posts and DMs to HTML.
var _templatePostRtReference
var _templatePostRtBy
var _htmlFormatMsgLinkTemplateExternal;
var _htmlFormatMsgLinkTemplateUser;
var _htmlFormatMsgLinkTemplateHashtag;
$(document).ready(function() {
// we're setting it here for perfomance improvement purpose // to not search and prepare it for for every post every time
_templatePostRtReference = $('#post-rt-reference-template').children().clone(true);
_templatePostRtReference.find('.post-text')
.on('click', {feeder: '.post-rt-reference'}, openConversationClick);
_templatePostRtBy = $('#post-retransmited-by-template').children().clone(true);
_htmlFormatMsgLinkTemplateExternal = $('#external-page-link-template')
if (_htmlFormatMsgLinkTemplateExternal.length) {
_htmlFormatMsgLinkTemplateExternal = _htmlFormatMsgLinkTemplateExternal[0].cloneNode();
_htmlFormatMsgLinkTemplateExternal.removeAttribute('id');
}
_htmlFormatMsgLinkTemplateUser = $('#msg-user-link-template')
if (_htmlFormatMsgLinkTemplateUser.length) {
_htmlFormatMsgLinkTemplateUser = _htmlFormatMsgLinkTemplateUser[0].cloneNode();
_htmlFormatMsgLinkTemplateUser.removeAttribute('id');
}
_htmlFormatMsgLinkTemplateHashtag = $('#hashtag-link-template')
if (_htmlFormatMsgLinkTemplateHashtag.length) {
_htmlFormatMsgLinkTemplateHashtag = _htmlFormatMsgLinkTemplateHashtag[0].cloneNode();
_htmlFormatMsgLinkTemplateHashtag.removeAttribute('id');
}
});
// format "userpost" to html element
// kind = "original"/"ancestor"/"descendant"
function postToElem(post, kind, promoted) {
function setPostCommon(elem, username, time) {
var postInfoName = elem.find('.post-info-name')
.text(username).attr('href', $.MAL.userUrl(username));
getFullname(username, postInfoName);
//elem.find('.post-info-tag').text("@" + username); // FIXME
getAvatar(username, elem.find('.avatar'));
elem.find('.post-info-time').text(timeGmtToText(time)).attr('title', timeSincePost(time));
}
/*
"userpost" :
{
"n" : username,
"k" : seq number,
"t" : "post" / "dm" / "rt"
"msg" : message (post/rt)
"time" : unix utc
"height" : best height at user
"dm" : encrypted message (dm) -opt
"rt" : original userpost - opt
"sig_rt" : sig of rt - opt
"reply" : - opt
{
"n" : reference username
"k" : reference k
}
}
"sig_userpost" : signature by userpost.n
*/
var username, k, time, msg, rt, content_to_rt, content_to_sigrt, retweeted_by;
// Obtain data from userpost
var userpost = post.userpost;
if (post.sig_wort)
userpost.sig_wort = post.sig_wort;
if (userpost.rt) {
rt = userpost.rt;
if (userpost.msg) {
username = userpost.n;
k = userpost.k;
time = userpost.time;
msg = userpost.msg;
content_to_rt = $.toJSON(userpost);
content_to_sigrt = post.sig_userpost;
} else {
username = rt.n;
k = rt.k;
time = rt.time;
msg = rt.msg;
content_to_rt = $.toJSON(rt);
content_to_sigrt = userpost.sig_rt;
}
retweeted_by = userpost.n;
} else {
username = userpost.n;
k = userpost.k;
time = userpost.time;
msg = userpost.msg;
content_to_rt = $.toJSON(userpost);
content_to_sigrt = post.sig_userpost;
}
// Now create the html elements
var elem = $.MAL.getPostTemplate().clone(true);
elem.removeAttr('id')
.addClass(kind)
.attr('data-time', time)
;
if (post.isNew)
elem.addClass('new');
var postData = elem.find('.post-data');
postData.addClass(kind)
.attr('data-userpost', $.toJSON(post))
.attr('data-content_to_rt', content_to_rt)
.attr('data-content_to_sigrt', content_to_sigrt)
.attr('data-screen-name', username)
.attr('data-id', k)
.attr('data-lastk', userpost["lastk"])
.attr('data-text', msg)
;
if (userpost.reply) {
postData.attr('data-replied-to-screen-name', userpost.reply.n)
.attr('data-replied-to-id', userpost.reply.k)
.find('.post-expand').text(polyglot.t('Show conversation'))
;
} else if (userpost.rt && userpost.rt.reply) {
postData.attr('data-replied-to-screen-name', userpost.rt.reply.n)
.attr('data-replied-to-id', userpost.rt.reply.k)
.find('.post-expand').text(polyglot.t('Show conversation'))
;
}
setPostCommon(elem, username, time);
msg = htmlFormatMsg(msg);
elem.find('.post-text').html(msg.html);
postData.attr('data-text-mentions', msg.mentions.join()); // FIXME no idea why do we need this attribute since we don't use it but use data-reply-to instead
if (username !== defaultScreenName) {
if (msg.mentions.indexOf(username) === -1)
msg.mentions.splice(0, 0, username);
}
for (var i = msg.mentions.indexOf(defaultScreenName); i !== -1; i = msg.mentions.indexOf(defaultScreenName))
msg.mentions.splice(i, 1);
if (msg.mentions.length)
var replyTo = '@' + msg.mentions.join(' @') + ' ';
else
var replyTo = '';
var postTextArea = elem.find('.post-area-new textarea');
postTextArea.attr('data-reply-to', replyTo);
if (!defaultScreenName)
postTextArea.attr('placeholder', polyglot.t('You have to log in to post replies.'));
else
postTextArea.attr('placeholder', polyglot.t('reply_to', {fullname: replyTo})+ '...');
postData.attr('data-reply-to', replyTo);
if (typeof retweeted_by !== 'undefined') {
var postContext = elem.find('.post-context');
if (userpost.msg) {
postContext.append(_templatePostRtReference.clone(true))
.find('.post-rt-reference')
.attr('data-screen-name', rt.n)
.attr('data-id', rt.k)
.find('.post-text').html(htmlFormatMsg(rt.msg).html)
;
setPostCommon(postContext, rt.n, rt.time);
} else {
postContext.append(_templatePostRtBy.clone(true))
.find('.post-retransmited-by')
.attr('href', $.MAL.userUrl(retweeted_by)).text('@' + retweeted_by)
;
}
postContext.show();
}
if (typeof promoted !== 'undefined' && promoted) {
elem.find('.post-propagate').remove();
postData.attr('data-promoted', 1);
postData.attr('data-screen-name', '!' + username);
} else {
setPostInfoSent(userpost.n, userpost.k, elem.find('.post-info-sent'));
if ($.Options.filterLang.val !== 'disable' && $.Options.filterLangSimulate.val) {
// FIXME it's must be stuff from template actually
if (typeof post.langFilter !== 'undefined') {
if (typeof post.langFilter.prob[0] !== 'undefined')
var mlm = ' // ' + polyglot.t('Most possible language: this',
{'this': '<em>' + post.langFilter.prob[0].toString() + '</em>'});
else
var mlm = '';
elem.append('<div class="langFilterSimData">'
+ polyglot.t('This post is treated by language filter',
{'treated': '<em>' + (post.langFilter.pass ? polyglot.t('passed') : polyglot.t('blocked')) + '</em>'})
+ '</div>'
)
.append('<div class="langFilterSimData">'
+ polyglot.t('Reason: this', {'this': '<em>' + post.langFilter.reason + '</em>'})
+ mlm +'</div>'
)
;
} else {
elem.append('<div class="langFilterSimData">'
+ polyglot.t('This post is treated by language filter',
{'treated': '<em>' + polyglot.t('not analyzed') + '</em>'})
+ '</div>'
)
;
}
}
}
return elem;
}
function setPostInfoSent(n, k, item) {
if( n === defaultScreenName && k >= 0 ) {
getPostMaxAvailability(n,k,
function(args,count) {
if( count >= 3 ) { // assume 3 peers (me + 2) is enough for "sent"
args.item.text("\u2713"); // check mark
} else {
args.item.text("\u231B"); // hour glass
setTimeout(setPostInfoSent,2000,n,k,item);
}
}, {n:n,k:k,item:item});
}
}
// format dmdata (returned by getdirectmsgs) to display in "snippet" per user list
function dmDataToSnippetItem(dmData, remoteUser) {
var dmItem = $("#dm-snippet-template").clone(true);
dmItem.removeAttr('id');
dmItem.attr("data-dm-screen-name",remoteUser);
dmItem.attr("data-last_id", dmData.id);
dmItem.attr("data-time", dmData.time);
dmItem.find(".post-info-tag").text("@" + remoteUser);
dmItem.find("a.post-info-name").attr("href", $.MAL.userUrl(remoteUser));
dmItem.find("a.dm-chat-link").attr("href", $.MAL.dmchatUrl(remoteUser));
getAvatar( remoteUser, dmItem.find(".post-photo").find("img") );
if( remoteUser.length && remoteUser[0] === '*' )
getGroupChatName( remoteUser, dmItem.find("a.post-info-name") );
else
getFullname( remoteUser, dmItem.find("a.post-info-name") );
dmItem.find(".post-text").html(htmlFormatMsg(dmData.text).html);
dmItem.find(".post-info-time").text(timeGmtToText(dmData.time)).attr("title",timeSincePost(dmData.time));
return dmItem;
}
// format dmdata (returned by getdirectmsgs) to display in conversation thread
function dmDataToConversationItem(dmData, localUser, remoteUser) {
var from = (dmData.from && dmData.from.length && dmData.from.charCodeAt(0))
? dmData.from
: (dmData.fromMe ? localUser : remoteUser);
var classDm = dmData.fromMe ? "sent" : "received";
var dmItem = $("#dm-chat-template").clone(true);
dmItem.removeAttr('id');
dmItem.addClass(classDm);
getAvatar(from, dmItem.find(".post-photo").find("img") );
dmItem.find(".post-info-time").text(timeGmtToText(dmData.time)).attr("title",timeSincePost(dmData.time));
setPostInfoSent(from,dmData.k,dmItem.find('.post-info-sent'));
dmItem.find('.post-text').html(htmlFormatMsg(dmData.text).html);
return dmItem;
}
// convert message text to html, featuring @users and links formating.
function htmlFormatMsg(msg) {
// TODO: add options for emotions; msg = $.emotions(msg);
// TODO make markup optionally mutable ?
function getSubStrStart(str, startPoint, stopChars, isStopCharMustExist, stopCharsTrailing) {
for (var i = startPoint; i > -1; i--) {
if (stopChars.indexOf(str[i]) > -1)
break;
}
if (i !== -1 || !isStopCharMustExist) {
for (i += 1; i < startPoint + 1; i++) {
if (stopCharsTrailing.indexOf(str[i]) === -1)
break;
}
} else
i = startPoint + 1;
return i;
}
function getSubStrEnd(str, startPoint, stopChars, isStopCharMustExist, stopCharsTrailing) {
for (var i = startPoint; i < str.length; i++) {
if (stopChars.indexOf(str[i]) > -1)
break;
}
if (i !== str.length || !isStopCharMustExist) {
for (i -= 1; i > startPoint - 1; i--) {
if (stopCharsTrailing.indexOf(str[i]) === -1)
break;
}
} else
i = startPoint - 1;
return i;
}
function markout(msg, chr, tag) {
if ($.Options.postsMarkout.val === 'ignore')
return msg;
function isWhiteSpacesBetween(i, j) {
j++;
for (i += 1; i < j; i++) {
if (p[i].w)
return true;
}
return false;
}
function kindOfL(i) {
if (stopCharsMarkout.indexOf(msg.str[i]) > -1) {
for (var j = i - 1; j > -1; j--) {
if (msg.str[j] === chr) {
return -1;
} else if (stopCharsMarkout.indexOf(msg.str[j]) === -1) {
return whiteSpaces.indexOf(msg.str[j]);
}
}
} else if (msg.str[i] === '<') {
for (var j = i - 1; j > -1; j--) {
if (msg.str[j] === '>') {
if (j === 0) {
return -10;
} else {
if (msg.str[j - 1] === chr) {
return -1;
} else {
return kindOfL(j - 1);
}
}
}
}
} else {
return whiteSpaces.indexOf(msg.str[i]);
}
return 0;
}
function kindOfR(i) {
if (stopCharsMarkout.indexOf(msg.str[i]) > -1) {
for (var j = i + 1; j < msg.str.length; j++) {
if (msg.str[j] === chr) {
return -1;
} else if (stopCharsMarkout.indexOf(msg.str[j]) === -1) {
return whiteSpaces.indexOf(msg.str[j]);
}
}
} else if (msg.str[i] === '>') {
for (var j = i + 1; j < msg.str.length; j++) {
if (msg.str[j] === '<') {
if (j === msg.str.length - 1) {
return -10;
} else {
if (msg.str[j + 1] === chr) {
return -1;
} else {
return kindOfR(j + 1);
}
}
}
}
} else {
return whiteSpaces.indexOf(msg.str[i]);
}
return 0;
}
var i, j, t, l, r, htmlEntityEncoded;
var w = false;
var p = [];
// collecting chars position data
for (i = 0; i < msg.str.length; i++) {
if (msg.str[i] === chr) {
for (j = i + 1; j < msg.str.length; j++) {
if (msg.str[j] !== chr)
break;
}
if (i !== 0) {
l = kindOfL(i - 1);
}
if (j !== msg.str.length) {
r = kindOfR(j);
}
if (i === 0 || l === -10) {
p.push({i: i, k: j - i, t: -1, w: w, a: -1, p: -1});
w = false;
} else if (j === msg.str.length || r === -10) {
p.push({i: i, k: j - i, t: 1, w: w, a: -1, p: -1});
w = false;
} else {
if (l > -1) {
if (r > -1) {
if (j - i > 2) {
l = p.push({i: i, k: j - i - 1, t: -1, w: w, a: -1, p: -1}) - 1;
p[l].a = p.push({i: j - 1, k: 1, t: 1, w: false, a: l, p: -1}) - 1;
}
t = 10;
} else
t = -1;
} else {
if (r > -1)
t = 1;
else
t = 0;
}
if (t !== 10)
p.push({i: i, k: j - i, t: t, w: w, a: -1, p: -1});
w = false;
}
i = j - 1;
} else if (!w && whiteSpaces.indexOf(msg.str[i]) > -1) {
w = true;
}
}
// calculating dependencies
for (i = 0; i < p.length; i++) {
if (p[i].t < 1 && p[i].a === -1) {
t = i;
for (j = i + 1; j < p.length; j++) {
if (p[i].t === 0 && isWhiteSpacesBetween(i, j)) {
i = j - 1;
break;
} else if (p[j].t < 1 && p[j].a === -1) {
p[t].p = j;
t = j;
} else if (p[j].t === 1 && p[j].a === -1) {
p[i].a = j;
p[j].a = i;
i = j;
break;
}
}
}
}
for (i = 0; i < p.length; i++) {
if (p[i].t === -1 && p[i].a === -1) {
for (j = p[i].p; j > -1; j = p[j].p) {
if (isWhiteSpacesBetween(i, j)) {
i = j - 1;
break;
} else if (p[j].t === 0
&& !(p[j].p > -1 && p[p[j].p].t === 0 && !isWhiteSpacesBetween(j, p[j].p))) {
p[j].a = i;
p[i].a = j;
i = j;
break;
}
}
}
}
// changing the string
if (chr === '`' && $.Options.postsMarkout.val === 'apply') { // if $.Options.postsMarkout.val === 'clear' then ` does not escapes anythyng so it needs to be handled like other tags
for (i = 0; i < p.length; i++) {
if (p[i].a > -1) {
if (p[i].t === -1 || (p[i].t === 0 && p[i].a > i)) {
if (p[i].k > 1)
t = Array(p[i].k).join(chr);
else
t = '';
j = p[i].a;
t = t + msg.str.slice(p[i].i + p[i].k, p[j].i);
if (p[j].k > 1)
t = t + Array(p[i].k).join(chr);
t = '<' + tag + '>' + t + '</' + tag + '>';
msg.htmlEntities.push(t.replace(/&(?!lt;|gt;)/g, '&amp;'));
htmlEntityEncoded = '>' + (msg.htmlEntities.length - 1).toString() + '<';
msg.str = msg.str.slice(0, p[i].i) + htmlEntityEncoded + msg.str.slice(p[j].i + p[j].k);
l = htmlEntityEncoded.length - p[j].i - p[j].k + p[i].i;
i = j;
for (j += 1; j < p.length; j++)
p[j].i += l;
}
}
}
} else {
if ($.Options.postsMarkout.val === 'apply') {
t = '</' + tag + '>';
tag = '<' + tag + '>';
} else { // $.Options.postsMarkout.val === 'clear' so we're clearing markup
t = '';
tag = '';
}
for (i = 0; i < p.length; i++) {
if (p[i].a > -1) {
if (p[i].t === -1 || (p[i].t === 0 && p[i].a > i)) {
if (p[i].k > 1)
msg.htmlEntities.push(tag + Array(p[i].k).join(chr));
else
msg.htmlEntities.push(tag);
} else if (p[i].t === 1 || (p[i].t === 0 && p[i].a < i)) {
if (p[i].k > 1)
msg.htmlEntities.push(Array(p[i].k).join(chr) + t);
else
msg.htmlEntities.push(t);
}
htmlEntityEncoded = '>' + (msg.htmlEntities.length - 1).toString() + '<';
msg.str = msg.str.slice(0, p[i].i) + htmlEntityEncoded + msg.str.slice(p[i].i + p[i].k);
l = htmlEntityEncoded.length - p[i].k;
for (j = i + 1; j < p.length; j++)
p[j].i += l;
}
}
}
return msg;
}
function newHtmlEntityLink(template, urlTarget, urlName) {
template.href = urlTarget;
template.innerHTML = urlName; // .innerHTML instead .text to allow markup inside [] of [url name](target)
return template.outerHTML;
}
function msgAddHtmlEntity(msg, strSliceLeft, strSliceRigth, htmlEntity) {
msg.htmlEntities.push(htmlEntity);
var htmlEntityEncoded = '>' + (msg.htmlEntities.length - 1).toString() + '<';
msg.str = msg.str.slice(0, strSliceLeft) + htmlEntityEncoded + msg.str.slice(strSliceRigth);
msg.i = strSliceLeft + htmlEntityEncoded.length - 1;
return msg;
}
function applyHtml(msg) {
var t;
for (var i = 0; i < msg.str.length - 2; i++) {
if (msg.str[i] === '>') {
for (var j = i + 2; j < msg.str.length; j++) {
if (msg.str[j] === '<')
break;
}
t = msg.htmlEntities[parseInt(msg.str.slice(i + 1, j))];
msg.str = msg.str.slice(0, i) + t + msg.str.slice(j + 1);
i = i + t.length - 1;
}
}
return msg.str;
}
var mentionsChars = 'abcdefghijklmnopqrstuvwxyz_0123456789';
var stopCharsTrailing = '/\\*~_-`.,:;?!%\'"[](){}^|«»…\u201C\u201D\u2026\u2014\u4E00\u3002\uFF0C\uFF1A\uFF1F\uFF01\u3010\u3011\u2047\u2048\u2049';
var stopCharsTrailingUrl = stopCharsTrailing.slice(1);
var whiteSpaces = ' \f\n\r\t\v\u00A0\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u2028\u2029\u202F\u205F\u3000';
var whiteSpacesUrl = '\'\"' + whiteSpaces;
var stopCharsLeft = '<' + whiteSpaces;
var stopCharsRight = '>' + whiteSpaces;
var stopCharsRightHashtags = '>/\\.,:;?!%\'"[](){}^|«»…\u201C\u201D\u2026\u2014\u4E00\u3002\uFF0C\uFF1A\uFF1F\uFF01\u3010\u3011\u2047\u2048\u2049' // same as stopCharsTrailing but without '*~_-`' plus '>'
+ whiteSpaces;
var stopCharsMarkout = '/\\*~_-`.,:;?!%+=&\'"[](){}^|«»…\u201C\u201D\u2026\u2014\u4E00\u3002\uFF0C\uFF1A\uFF1F\uFF01\u3010\u3011\u2047\u2048\u2049';
var i, j, k, str;
var mentions = [];
msg = {str: escapeHtmlEntities(msg), htmlEntities: []};
msg = markout(msg, '`', 'samp'); // <samp> tag is kind of monospace, here sequence of chars inside it will be escaped from markup
// handling links
for (i = 0; i < msg.str.length - 7; i++) {
if (msg.str.slice(i, i + 2) === '](' && $.Options.postsMarkout.val !== 'ignore') {
// FIXME there can be text with [] inside [] or links with () we need to handle it too
j = getSubStrStart(msg.str, i - 2, '[', true, '');
if (j < i - 1) {
k = getSubStrEnd(msg.str, i + 3, ')', true, whiteSpaces);
if (k > i + 2) {
var linkName = msg.str.slice(j, i); // name of possiible link
for (i += 2; i < k; i++) {
if (whiteSpacesUrl.indexOf(msg.str[i]) === -1) // drop whitespaces and ' and " // apostrophes and quotes to prevent injection of js events
break;
}
if (i < k) {
var x = getSubStrEnd(msg.str, i, ':', false, '') + 1;
// following check is NOT for real protection (we have blocking CSP rule instead), it's just to aware people
if (msg.str[i] === '#' || (x > i && x < k && (msg.str.slice(x - 6, x).toLowerCase() === 'script' // other things would be added when W3C and all the people invent it
|| msg.str.slice(x - 4, x).toLowerCase() === 'data'))) {
msg = msgAddHtmlEntity(msg, j - 1, getSubStrEnd(msg.str, k + 1, ')', true, '') + 2,
'…<br><b><i>' + polyglot.t('busted_oh') + '</i> '
+ polyglot.t('busted_avowal') + ':</b><br><samp>'
+ msg.str.slice(i, k + 1)
.replace(/&(?!lt;|gt;)/g, '&amp;')
.replace(/"/g, '&quot;')
.replace(/'/g, '&apos;')
+ '</samp><br>'
);
} else {
if (getSubStrEnd(msg.str, i + 1, whiteSpacesUrl, false, '') < k) // use only first word as href target, others drop silently
k = getSubStrEnd(msg.str, i + 1, whiteSpacesUrl, false, '');
if ($.Options.postsMarkout.val === 'apply') {
msg = msgAddHtmlEntity(msg, j - 1, getSubStrEnd(msg.str, k + 1, ')', true, '') + 2,
newHtmlEntityLink(_htmlFormatMsgLinkTemplateExternal,
proxyURL(msg.str.slice(i, k + 1)),
applyHtml( // we're trying markup inside [] of []()
markout(markout(markout(markout(
{str: linkName, htmlEntities: msg.htmlEntities},
'*', 'b'), // bold
'~', 'i'), // italic
'_', 'u'), // underlined
'-', 's') // striketrough
)
.replace(/&(?!lt;|gt;)/g, '&amp;')
)
);
} else { // $.Options.postsMarkout.val === 'clear' so we're clearing markup
str = msg.str.slice(i, k + 1);
msg = msgAddHtmlEntity(msg, j - 1, getSubStrEnd(msg.str, k + 1, ')', true, '') + 2,
applyHtml( // we're trying to clear markup inside [] of []()
markout(markout(markout(markout(
{str: linkName, htmlEntities: msg.htmlEntities},
'*', 'b'), // bold
'~', 'i'), // italic
'_', 'u'), // underlined
'-', 's') // striketrough
)
.replace(/&(?!lt;|gt;)/g, '&amp;')
);
// here we put link target as plain text to handle it usual way (search http[s]:// and so on)
i = msg.i + 1
msg.str = msg.str.slice(0, i) + ' ' + str + msg.str.slice(i);
/* alternatively we could set up it as link itself but I suppose you don't want it
msg = msgAddHtmlEntity(msg, msg.i + 1, msg.i + 1,
' ' + newHtmlEntityLink(_htmlFormatMsgLinkTemplateExternal,
proxyURL(str), str)
); */
}
}
i = msg.i + 1;
}
}
}
} else if (msg.str.slice(i, i + 4).toLowerCase() === 'http') {
if (msg.str.slice(i + 4, i + 7) === '://' && stopCharsRight.indexOf(msg.str[i + 7]) === -1) {
j = getSubStrEnd(msg.str, i + 7, stopCharsRight, false, stopCharsTrailingUrl);
if (j > i + 6) {
str = msg.str.slice(i, j + 1);
msg = msgAddHtmlEntity(msg, i, i + str.length,
newHtmlEntityLink(_htmlFormatMsgLinkTemplateExternal,
proxyURL(str), str)
);
i = msg.i;
}
} else if (msg.str.slice(i + 4, i + 8).toLowerCase() === 's://' && stopCharsRight.indexOf(msg.str[i + 8]) === -1) {
j = getSubStrEnd(msg.str, i + 8, stopCharsRight, false, stopCharsTrailingUrl);
if (j > i + 7) {
str = msg.str.slice(i, j + 1);
msg = msgAddHtmlEntity(msg, i, i + str.length,
newHtmlEntityLink(_htmlFormatMsgLinkTemplateExternal,
proxyURL(str), str)
);
i = msg.i;
}
}
}
}
// handling mails
for (i = 1; i < msg.str.length - 1; i++) {
if (msg.str[i] === '@' && stopCharsLeft.indexOf(msg.str[i - 1]) === -1
&& stopCharsTrailing.indexOf(msg.str[i - 1]) === -1 && stopCharsRight.indexOf(msg.str[i + 1]) === -1) {
j = getSubStrStart(msg.str, i - 1, stopCharsLeft, false, stopCharsTrailing);
if (j < i) {
k = getSubStrEnd(msg.str, i + 1, stopCharsRight, false, stopCharsTrailing);
if (k > i) {
str = msg.str.slice(j, k + 1);
msg = msgAddHtmlEntity(msg, j, j + str.length,
newHtmlEntityLink(_htmlFormatMsgLinkTemplateExternal,
'mailto:' + str.toLowerCase(), str)
);
i = msg.i;
}
}
}
}
// handling mentions
for (i = 0; i < msg.str.length - 1; i++) {
if (msg.str[i] === '@' && mentionsChars.indexOf(msg.str[i + 1].toLowerCase()) > -1) {
for (j = i + 2; j < msg.str.length; j++) {
if (mentionsChars.indexOf(msg.str[j].toLowerCase()) === -1)
break;
}
str = msg.str.slice(i + 1, j).toLowerCase();
mentions.push(str);
msg = msgAddHtmlEntity(msg, i, i + str.length + 1,
newHtmlEntityLink(_htmlFormatMsgLinkTemplateUser,
$.MAL.userUrl(str), '@' + str)
);
i = msg.i;
}
}
// handling hashtags
for (i = 0; i < msg.str.length - 1; i++) {
if (msg.str[i] === '#' && msg.str[i + 1] !== '#' && stopCharsRight.indexOf(msg.str[i + 1]) === -1) {
j = getSubStrEnd(msg.str, i + 1, stopCharsRightHashtags, false, stopCharsTrailing);
if (j > i) {
str = msg.str.slice(i + 1, j + 1);
msg = msgAddHtmlEntity(msg, i, i + str.length + 1,
newHtmlEntityLink(_htmlFormatMsgLinkTemplateHashtag,
$.MAL.hashtagUrl(encodeURIComponent(str.toLowerCase())), '#' + str.replace(/&amp;/g, '&'))
);
i = msg.i;
}
}
}
// handling text style markup
msg = markout(markout(markout(markout(msg,
'*', 'b'), // bold
'~', 'i'), // italic
'_', 'u'), // underlined
'-', 's') // striketrough
;
// handling splitted posts numbering and escaping ampersands, qoutes and apostrophes
msg.str = msg.str
.replace(/\(\d{1,2}\/\d{1,2}\)$/, function (str) {
msg.htmlEntities.push('<span class="splited-post-counter">' + str + '</span>'); // FIXME
return '>' + (msg.htmlEntities.length - 1).toString() + '<';
})
.replace(/&(?!lt;|gt;)/g, '&amp;') // FIXME in many cases there is no need to escape ampersand in HTML 5
.replace(/"/g, '&quot;')
.replace(/'/g, '&apos;')
// applying html entities to msg.str and converting msg to string back
msg = applyHtml(msg);
// handling linebreaks
if ($.Options.displayLineFeeds.val === 'enable')
msg = msg.replace(/\n/g, '<br />');
return {html: msg, mentions: mentions};
}
function proxyURL(url) {
var proxyOpt = $.Options.useProxy.val;
if (proxyOpt !== 'disable' && !$.Options.useProxyForImgOnly.val
&& url[0] !== '/' && url.indexOf(location.origin) !== 0) {
// proxy alternatives may be added to options page FIXME currently not; and we need more fresh proxies
if (proxyOpt === 'ssl-proxy-my-addr') {
url = 'https://ssl-proxy.my-addr.org/myaddrproxy.php/' +
url.substring(0, url.indexOf(':')) + url.substr(url.indexOf('/') + 1);
} else if (proxyOpt === 'anonymouse')
url = 'http://anonymouse.org/cgi-bin/anon-www.cgi/' + url;
}
return url;
}
function escapeHtmlEntities(str) {
return str
//.replace(/&/g, '&amp;') we do it not here
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
//.replace(/"/g, '&quot;')
//.replace(/'/g, '&apos;')
;
}
function reverseHtmlEntities(str) {
return str
.replace(/&lt;/g, '<')
.replace(/&gt;/g, '>')
.replace(/&quot;/g, '"')
.replace(/&apos;/g, "'")
.replace(/&amp;/g, '&');
}
function setPostImagePreview(elem, links) {
if ($.Options.displayPreview.val === 'enable') {
var previewContainer = elem.find('.preview-container');
// was the preview added before...
if (!previewContainer.children().length) {
// is there any links to images in the post?
for (var i = 0; i < links.length; i++) {
if (/^[^?]+\.(?:jpe?g|gif|png)$/i.test(links[i].href)) {
var url = proxyURL(links[i].href);
previewContainer.append($('<img src="' + url + '" class="image-preview" />'));
}
}
}
}
}