blerg.Util = {};
// Dirty, terrible shim for rewritten links below
-blerg.Util.qlink = function() {
+blerg.Util.qlink = function(ev) {
try {
- location.href = event.target.href;
+ location.href = ev.target.href;
} catch(e) { }
enyo.$.blerg.bubble('onNavigate');
return false;
}
+blerg.Util.formatLinkHooks = [
+ BlergMedia
+];
+
+blerg.Util.formatMarkdownLinks = function(l) {
+ m = l.match(/(\s[()\[\]{}]?|^)\[([^\]]+)\]\((https?:\/\/[a-zA-Z0-9.-]*[a-zA-Z0-9](\/[^)"]*?)?|mailto:[^)"]*?)(\s([^)]*))?\)/);
+ if (!m)
+ return l;
+ var whitespace = m[1];
+ var data = {
+ label: m[2],
+ url: m[3],
+ extra: m[5]
+ };
+
+ for (var i = 0; i < blerg.Util.formatLinkHooks.length; i++) {
+ var newdata = blerg.Util.formatLinkHooks[i].process(data);
+ if (newdata)
+ data = newdata;
+ else
+ console.warn("Format Link Hook " + i + " returned null");
+ }
+ var s = whitespace + '<a href="' + data.url + '">' + data.label + '</a>' +
+ (data.widget ? ' ' + data.widget : '');
+ return l.slice(0, m.index) + s + blerg.Util.formatMarkdownLinks(l.slice(m.index + m[0].length));
+}
+
blerg.Util.blergFormat = function(text) {
var lines = text.split(/\r?\n/);
if (lines[lines.length - 1] == '')
var out = ['<p>'];
var endpush = null;
var listMode = false;
+ var codeMode = false;
+ var githubCodeMode = false;
lines.forEach(function(l) {
+ // Blank line
if (l == '') {
+ // Turn single linebreaks into paragraphs
if (out[out.length - 1] == '<br>') {
out[out.length - 1] = '<p>';
}
+ // End bullet list
if (out[out.length - 1] == '</li>') {
out.push('</ul>');
out.push('<p>');
listMode = false;
}
+ // End code mode
+ if (codeMode) {
+ out.push('</pre>');
+ out.push('<p>');
+ codeMode = false;
+ }
+ return;
+ }
+
+ // Sometimes I wish more languages had Perl's bistable .. operator.
+ if (githubCodeMode) {
+ if (l == '```') {
+ out.push('</pre>');
+ out.push('<p>');
+ githubCodeMode = false;
+ } else {
+ // Sanitize HTML input
+ l = l.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
+ out.push(l + "\n");
+ }
+ return;
+ } else {
+ if (l == '```') {
+ out.push('<pre>');
+ githubCodeMode = true;
+ return;
+ }
+ }
+
+ // Create a code block when lines begin with at least four spaces
+ if (l.substr(0, 4) == ' ') {
+ if (!codeMode) {
+ out.push('<pre>');
+ codeMode = true;
+ }
+ // Sanitize HTML input
+ l = l.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
+ out.push(l.substr(4) + "\n");
return;
+ } else {
+ if (codeMode) {
+ out.push('</pre>');
+ codeMode = false;
+ }
}
// Put quoted material into a special paragraph
l = l.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
// Turn HTTP URLs into links
- l = l.replace(/(\s|^)(https?:\/\/[a-zA-Z0-9.-]*[a-zA-Z0-9](\/([^\s"]*[^.!,;?()\s])?)?)/g, '$1<a href="$2">$2</a>');
+ l = l.replace(/(\s[()\[\]{}]?|^)(https?:\/\/[a-zA-Z0-9.-]*[a-zA-Z0-9](\/([^\s"]*[^.!,;?()\s])?)?)/g, '$1<a href="$2">$2</a>');
// Turn markdown links into links
- var re;
-
- /*
- // Craft a regex that finds URLs that end in the extensions specified by BlergMedia.audioExtensions.
- re = new RegExp('(\\s|^)\\[([^\\]]+)\\]\\((https?:\\/\\/[a-zA-Z0-9.-]*[a-zA-Z0-9]\\/[^)"]*?\\.(' + BlergMedia.audioExtensions.join('|') + '))\\)', 'g');
- l = l.replace(re, '$1<a href="$3">$2</a> <a href="$3" onclick="play_audio(); return false"><img src="/images/play.png"></a>');
-
- // Ditto, but use the extended markdown link syntax to specify the format
- re = new RegExp('(\\s|^)\\[([^\\]]+)\\]\\((https?:\\/\\/[a-zA-Z0-9.-]*[a-zA-Z0-9](\\/[^)"]*?)?)\\s+audio:(' + BlergMedia.audioExtensions.join('|') + ')\\)', 'g');
- l = l.replace(re, '$1<a href="$3">$2</a> <a href="$3" onclick="play_audio(); return false"><img src="/images/play.png"></a>');
-
- // Craft a regex that finds URLs that end in the extensions specified by BlergMedia.videoExtensions.
- re = new RegExp('(\\s|^)\\[([^\\]]+)\\]\\((https?:\\/\\/[a-zA-Z0-9.-]*[a-zA-Z0-9]\\/[^)"]*?\\.(' + BlergMedia.videoExtensions.join('|') + '))\\)', 'g');
- l = l.replace(re, '$1<a href="$3">$2</a> <a href="$3" onclick="play_video(); return false"><img src="/images/play.png"></a>');
-
- // Ditto, but use the extended markdown link syntax to specify the format
- re = new RegExp('(\\s|^)\\[([^\\]]+)\\]\\((https?:\\/\\/[a-zA-Z0-9.-]*[a-zA-Z0-9](\\/[^)"]*?)?)\\s+video:(' + BlergMedia.videoExtensions.join('|') + ')\\)', 'g');
- l = l.replace(re, '$1<a href="$3">$2</a> <a href="$3" onclick="play_video(); return false"><img src="/images/play.png"></a>');
- */
-
- // Regular markdown links
- l = l.replace(/(\s|^)\[([^\]]+)\]\((https?:\/\/[a-zA-Z0-9.-]*[a-zA-Z0-9](\/[^)"]*?)?)\)/g, '$1<a href="$3">$2</a>');
+ l = blerg.Util.formatMarkdownLinks(l);
// Turn *foo* into italics and **foo** into bold
l = l.replace(/([^\w\\]|^)\*\*(\w[^*]*)\*\*(\W|$)/g, '$1<b>$2</b>$3');
l = l.replace(/([^\w\\]|^)\*(\w[^*]*)\*(\W|$)/g, '$1<i>$2</i>$3');
+ // Turn ~~foo~~ into strikethrough
+ l = l.replace(/([^\w\\]|^)~~(\w[^~]*)~~(\W|$)/g, '$1<s>$2</s>$3');
+
// Turn refs and tags into links
- l = l.replace(/(\s|^)#([A-Za-z0-9_-]+)/g, '$1<a href="#/tag/$2" class="ref" onclick="return blerg.Util.qlink()">#$2</a>');
- l = l.replace(/(\s|^)@([A-Za-z0-9_-]+)(\/\d+)?/g, '$1<a href="#$2$3" class="ref" onclick="return blerg.Util.qlink()">@$2</a>');
+ l = l.replace(/(\s|^)#([A-Za-z0-9_-]+)/g, '$1<a href="#/tag/$2" class="ref" onclick="return blerg.Util.qlink(event)">#$2</a>');
+ l = l.replace(/(\s|^)@([A-Za-z0-9_-]+)(\/\d+)?/g, '$1<a href="#$2$3" class="ref" onclick="return blerg.Util.qlink(event)">@$2</a>');
// Create lists when lines begin with *
if (l[0] == '*') {
}
// Remove backslashes from escaped metachars
- l = l.replace(/\\([*\[\]@#])/g, '$1');
+ l = l.replace(/\\([*\[\]@#~])/g, '$1');
out.push(l);
if (endpush) {
out.push('<br>');
}
});
- while (out[out.length - 1] == '<br>' || out[out.length - 1] == '<p>')
+ while (out[out.length - 1] == '<br>' || out[out.length - 1] == '<p>') {
out.pop();
- if (listMode)
+ }
+ if (listMode) {
out.push('</ul>');
+ }
+ if (codeMode || githubCodeMode) {
+ out.push('</pre>');
+ }
return out.join('');
}