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// Collection of comment parsing functions (comments.js)
HashOverConstructor.prototype.comments = {
collapsedCount: 0,
codeOpenRegex: /<code>/i,
codeTagRegex: /(<code>)([\s\S]*?)(<\/code>)/ig,
preOpenRegex: /<pre>/i,
preTagRegex: /(<pre>)([\s\S]*?)(<\/pre>)/ig,
lineRegex: /(?:\r\n|\r|\n)/g,
codeTagMarkerRegex: /CODE_TAG\[([0-9]+)\]/g,
preTagMarkerRegex: /PRE_TAG\[([0-9]+)\]/g,
// Tags that will have their innerHTML trimmed
trimTagRegexes: {
blockquote: {
test: /<blockquote>/,
replace: /(<blockquote>)([\s\S]*?)(<\/blockquote>)/ig
},
ul: {
test: /<ul>/,
replace: /(<ul>)([\s\S]*?)(<\/ul>)/ig
},
ol: {
test: /<ol>/,
replace: /(<ol>)([\s\S]*?)(<\/ol>)/ig
}
},
// Add comment content to HTML template
parse: function (comment, parent, collapse, sort, method, popular)
{
parent = parent || null;
collapse = collapse || false;
sort = sort || false;
method = method || 'ascending';
popular = popular || false;
// Reference to the parent object
var hashover = this.parent;
var commentKey = comment.permalink;
var permalink = 'hashover-' + commentKey;
var nameClass = 'hashover-name-plain';
var template = { permalink: commentKey };
var isReply = (parent !== null);
var commentDate = comment.date;
var codeTagCount = 0;
var codeTags = [];
var preTagCount = 0;
var preTags = [];
var classes = '';
var replies = '';
// Text for avatar image alt attribute
var permatext = commentKey.slice (1);
permatext = permatext.split ('r');
permatext = permatext.pop ();
// Trims whitespace from an HTML tag's inner HTML
function tagTrimmer (fullTag, openTag, innerHTML, closeTag)
{
return openTag + hashover.EOLTrim (innerHTML) + closeTag;
}
// Get parent comment via permalink
if (isReply === false && commentKey.indexOf ('r') > -1) {
// Get the parent comment permalink
var parentPermalink = hashover.permalinks.getParent (commentKey);
// Get the parent comment by its permalink
parent = hashover.permalinks.getComment (parentPermalink, hashover.instance.comments.primary);
isReply = (parent !== null);
}
// Check if this comment is a popular comment
if (popular === true) {
// Remove "-pop" from text for avatar
permatext = permatext.replace ('-pop', '');
} else {
// Check if comment is a reply
if (isReply === true) {
// Check that comments are being sorted
if (!sort || method === 'ascending') {
// Append class to indicate comment is a reply
classes += ' hashover-reply';
// Append class to indicate odd or even reply for CSS styling
if ((commentKey.split("r").length & 1) == 0) {
classes += ' comment-post-odd';
} else {
classes += ' comment-post-even';
}
}
}
// Check if comments are being collapsed
if (hashover.setup['collapses-comments'] !== false) {
// If so, append class to indicate collapsed comment
if (hashover.instance['total-count'] > 0) {
if (collapse === true && this.collapsedCount >= hashover.setup['collapse-limit']) {
classes += ' hashover-hidden';
} else {
this.collapsedCount++;
}
}
}
}
// Add avatar image to template
template.avatar = hashover.strings.parseTemplate (hashover.ui['user-avatar'], {
src: comment.avatar,
href: permalink,
text: permatext
});
if (comment.notice === undefined) {
var name = comment.name || hashover.setup['default-name'];
var website = comment.website;
var isTwitter = false;
// Check if user's name is a Twitter handle
if (name.charAt (0) === '@') {
name = name.slice (1);
nameClass = 'hashover-name-twitter';
isTwitter = true;
var nameLength = name.length;
// Check if Twitter handle is valid length
if (nameLength > 1 && nameLength <= 30) {
// Set website to Twitter profile if a specific website wasn't given
if (website === undefined) {
website = 'http://twitter.com/' + name;
}
}
}
// Check whether user gave a website
if (website !== undefined) {
if (isTwitter === false) {
nameClass = 'hashover-name-website';
}
// If so, display name as a hyperlink
var nameElement = hashover.strings.parseTemplate (hashover.ui['name-link'], {
href: website,
permalink: commentKey,
name: name
});
} else {
// If not, display name as plain text
var nameElement = hashover.strings.parseTemplate (hashover.ui['name-span'], {
permalink: commentKey,
name: name
});
}
// Construct thread link
if ((comment.url && comment.title) !== undefined) {
template['thread-link'] = hashover.strings.parseTemplate (hashover.ui['thread-link'], {
url: comment.url,
title: comment.title
});
}
// Construct parent thread hyperlink
if (isReply === true) {
var parentThread = 'hashover-' + parent.permalink;
var parentName = parent.name || hashover.setup['default-name'];
// Add thread parent hyperlink to template
template['parent-link'] = hashover.strings.parseTemplate (hashover.ui['parent-link'], {
parent: parentThread,
permalink: commentKey,
name: parentName
});
}
// Check if the logged in user owns the comment
if (comment['user-owned'] !== undefined) {
// If so, append class to indicate comment is from logged in user
classes += ' hashover-user-owned';
// Define "Reply" link with original poster title
var replyTitle = hashover.locale['commenter-tip'];
var replyClass = 'hashover-no-email';
} else {
// Check if commenter is subscribed
if (comment.subscribed === true) {
// If so, set subscribed title
var replyTitle = name + ' ' + hashover.locale['subscribed-tip'];
var replyClass = 'hashover-has-email';
} else{
// If not, set unsubscribed title
var replyTitle = name + ' ' + hashover.locale['unsubscribed-tip'];
var replyClass = 'hashover-no-email';
}
}
// Check if the comment is editable for the user
if (comment['editable'] !== undefined) {
// If so, add "Edit" hyperlink to template
template['edit-link'] = hashover.strings.parseTemplate (hashover.ui['edit-link'], {
href: comment.url || hashover.instance['file-path'],
permalink: commentKey
});
}
// Add like link and count to template if likes are enabled
if (hashover.setup['allows-likes'] !== false) {
hashover.optionalMethod ('addRatings', [
comment, template, 'like', commentKey
], 'comments');
}
// Add dislike link and count to template if dislikes are enabled
if (hashover.setup['allows-dislikes'] !== false) {
hashover.optionalMethod ('addRatings', [
comment, template, 'dislike', commentKey
], 'comments');
}
// Add name HTML to template
template.name = hashover.strings.parseTemplate (hashover.ui['name-wrapper'], {
class: nameClass,
link: nameElement
});
// Check if user timezones is enabled
if (hashover.setup['uses-user-timezone'] !== false) {
// If so, get local comment post date
var postDate = new Date (comment['sort-date'] * 1000);
// Check if short date format is enabled
if (hashover.setup['uses-short-dates'] !== false) {
// If so, get local date
var localDate = new Date ();
// Local comment post date to remove time from
var postDateCopy = new Date (postDate.getTime ());
// And format local time if the comment was posted today
if (postDateCopy.setHours (0, 0, 0, 0) === localDate.setHours (0, 0, 0, 0)) {
commentDate = hashover.strings.sprintf (hashover.locale['today'], [
hashover.dateTime.format (hashover.setup['time-format'], postDate)
]);
}
} else {
// If not, format a long local date/time
commentDate = hashover.dateTime.format (hashover.locale['date-time'], postDate);
}
}
// Append status text to date
if (comment['status-text'] !== undefined) {
commentDate += ' (' + comment['status-text'] + ')';
}
// Add date from comment as permalink hyperlink to template
template.date = hashover.strings.parseTemplate (hashover.ui['date-link'], {
href: comment.url || hashover.instance['file-path'],
permalink: permalink,
date: commentDate
});
// Add "Reply" hyperlink to template
template['reply-link'] = hashover.strings.parseTemplate (hashover.ui['reply-link'], {
href: comment.url || hashover.instance['file-path'],
permalink: commentKey,
class: replyClass,
title: replyTitle
});
// Add reply count to template
if (comment.replies !== undefined) {
template['reply-count'] = comment.replies.length;
if (template['reply-count'] > 0) {
if (template['reply-count'] !== 1) {
template['reply-count'] += ' ' + hashover.locale['replies'];
} else {
template['reply-count'] += ' ' + hashover.locale['reply'];
}
}
}
// Add HTML anchor tag to URLs
var body = comment.body.replace (hashover.regex.links, '<a href="$1" rel="noopener noreferrer" target="_blank">$1</a>');
// Replace [img] tags with external image placeholder if enabled
body = body.replace (hashover.regex.imageTags, function (fullURL, url) {
// Check if embedded images are enabled
if (hashover.setup['allows-images'] !== false) {
return hashover.optionalMethod ('embedImage', [ url ], 'comments');
}
// Convert image URL into an anchor tag
return '<a href="' + url + '" rel="noopener noreferrer" target="_blank">' + url + '</a>';
});
// Parse markdown in comment if enabled
if (hashover.markdown !== undefined) {
body = hashover.markdown.parse (body);
}
// Check for code tags
if (this.codeOpenRegex.test (body) === true) {
// Replace code tags with marker text
body = body.replace (this.codeTagRegex, function (fullTag, openTag, innerHTML, closeTag) {
var codeMarker = openTag + 'CODE_TAG[' + codeTagCount + ']' + closeTag;
codeTags[codeTagCount] = hashover.EOLTrim (innerHTML);
codeTagCount++;
return codeMarker;
});
}
// Check for pre tags
if (this.preOpenRegex.test (body) === true) {
// Replace pre tags with marker text
body = body.replace (this.preTagRegex, function (fullTag, openTag, innerHTML, closeTag) {
var preMarker = openTag + 'PRE_TAG[' + preTagCount + ']' + closeTag;
preTags[preTagCount] = hashover.EOLTrim (innerHTML);
preTagCount++;
return preMarker;
});
}
// Check for various multi-line tags
for (var trimTag in this.trimTagRegexes) {
if (this.trimTagRegexes.hasOwnProperty (trimTag) === true
&& this.trimTagRegexes[trimTag]['test'].test (body) === true)
{
// Trim whitespace
body = body.replace (this.trimTagRegexes[trimTag]['replace'], tagTrimmer);
}
}
// Break comment into paragraphs
var paragraphs = body.split (hashover.regex.paragraphs);
var pdComment = '';
// Wrap comment in paragraph tag
// Replace single line breaks with break tags
for (var i = 0, il = paragraphs.length; i < il; i++) {
pdComment += '<p>' + paragraphs[i].replace (this.lineRegex, '<br>') + '</p>' + hashover.setup['server-eol'];
}
// Replace code tag markers with original code tag HTML
if (codeTagCount > 0) {
pdComment = pdComment.replace (this.codeTagMarkerRegex, function (marker, number) {
return codeTags[number];
});
}
// Replace pre tag markers with original pre tag HTML
if (preTagCount > 0) {
pdComment = pdComment.replace (this.preTagMarkerRegex, function (marker, number) {
return preTags[number];
});
}
// Add comment data to template
template.comment = pdComment;
} else {
// Append notice class
classes += ' hashover-notice ' + comment['notice-class'];
// Add notice to template
template.comment = comment.notice;
// Add name HTML to template
template.name = hashover.strings.parseTemplate (hashover.ui['name-wrapper'], {
class: nameClass,
link: comment.title
});
}
// Comment HTML template
var html = hashover.strings.parseTemplate (hashover.ui['theme'], template);
// Recursively parse replies
if (comment.replies !== undefined) {
for (var reply = 0, total = comment.replies.length; reply < total; reply++) {
replies += this.parse (comment.replies[reply], comment, collapse);
}
}
// Wrap comment HTML
var wrapper = hashover.strings.parseTemplate (hashover.ui['comment-wrapper'], {
permalink: permalink,
class: classes,
html: html + replies
});
return wrapper;
}
};
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