diff options
Diffstat (limited to 'js/lib/html.js')
| -rw-r--r-- | js/lib/html.js | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/js/lib/html.js b/js/lib/html.js deleted file mode 100644 index 74a854c..0000000 --- a/js/lib/html.js +++ /dev/null @@ -1,246 +0,0 @@ -"use strict"; - -var escapeXml = require('./common').escapeXml; - -// Helper function to produce an HTML tag. -var tag = function(name, attrs, selfclosing) { - var result = '<' + name; - if (attrs && attrs.length > 0) { - var i = 0; - var attrib; - while ((attrib = attrs[i]) !== undefined) { - result += ' ' + attrib[0] + '="' + attrib[1] + '"'; - i++; - } - } - if (selfclosing) { - result += ' /'; - } - - result += '>'; - return result; -}; - -var reHtmlTag = /\<[^>]*\>/; - -var renderNodes = function(block) { - - var attrs; - var info_words; - var tagname; - var walker = block.walker(); - var event, node, entering; - var buffer = ""; - var lastOut = "\n"; - var disableTags = 0; - var grandparent; - var out = function(s) { - if (disableTags > 0) { - buffer += s.replace(reHtmlTag, ''); - } else { - buffer += s; - } - lastOut = s; - }; - var esc = this.escape; - var cr = function() { - if (lastOut !== '\n') { - buffer += '\n'; - lastOut = '\n'; - } - }; - - var options = this.options; - - if (options.time) { console.time("rendering"); } - - while ((event = walker.next())) { - entering = event.entering; - node = event.node; - - attrs = []; - if (options.sourcepos) { - var pos = node.sourcepos; - if (pos) { - attrs.push(['data-sourcepos', String(pos[0][0]) + ':' + - String(pos[0][1]) + '-' + String(pos[1][0]) + ':' + - String(pos[1][1])]); - } - } - - switch (node.type) { - case 'Text': - out(esc(node.literal, false)); - break; - - case 'Softbreak': - out(this.softbreak); - break; - - case 'Hardbreak': - out(tag('br', [], true)); - cr(); - break; - - case 'Emph': - out(tag(entering ? 'em' : '/em')); - break; - - case 'Strong': - out(tag(entering ? 'strong' : '/strong')); - break; - - case 'Html': - out(node.literal); - break; - - case 'Link': - if (entering) { - attrs.push(['href', esc(node.destination, true)]); - if (node.title) { - attrs.push(['title', esc(node.title, true)]); - } - out(tag('a', attrs)); - } else { - out(tag('/a')); - } - break; - - case 'Image': - if (entering) { - if (disableTags === 0) { - out('<img src="' + esc(node.destination, true) + - '" alt="'); - } - disableTags += 1; - } else { - disableTags -= 1; - if (disableTags === 0) { - if (node.title) { - out('" title="' + esc(node.title, true)); - } - out('" />'); - } - } - break; - - case 'Code': - out(tag('code') + esc(node.literal, false) + tag('/code')); - break; - - case 'Document': - break; - - case 'Paragraph': - grandparent = node.parent.parent; - if (grandparent !== null && - grandparent.type === 'List') { - if (grandparent.listTight) { - break; - } - } - if (entering) { - cr(); - out(tag('p', attrs)); - } else { - out(tag('/p')); - cr(); - } - break; - - case 'BlockQuote': - if (entering) { - cr(); - out(tag('blockquote', attrs)); - cr(); - } else { - cr(); - out(tag('/blockquote')); - cr(); - } - break; - - case 'Item': - if (entering) { - out(tag('li', attrs)); - } else { - out(tag('/li')); - cr(); - } - break; - - case 'List': - tagname = node.listType === 'Bullet' ? 'ul' : 'ol'; - if (entering) { - var start = node.listStart; - if (start && start > 1) { - attrs.push(['start', start.toString()]); - } - cr(); - out(tag(tagname, attrs)); - cr(); - } else { - cr(); - out(tag('/' + tagname)); - cr(); - } - break; - - case 'Header': - tagname = 'h' + node.level; - if (entering) { - cr(); - out(tag(tagname, attrs)); - } else { - out(tag('/' + tagname)); - cr(); - } - break; - - case 'CodeBlock': - info_words = node.info ? node.info.split(/ +/) : []; - if (info_words.length > 0 && info_words[0].length > 0) { - attrs.push(['class', 'language-' + esc(info_words[0], true)]); - } - cr(); - out(tag('pre') + tag('code', attrs)); - out(esc(node.literal, false)); - out(tag('/code') + tag('/pre')); - cr(); - break; - - case 'HtmlBlock': - cr(); - out(node.literal); - cr(); - break; - - case 'HorizontalRule': - cr(); - out(tag('hr', attrs, true)); - cr(); - break; - - default: - throw "Unknown node type " + node.type; - } - - } - if (options.time) { console.timeEnd("rendering"); } - return buffer; -}; - -// The HtmlRenderer object. -function HtmlRenderer(options){ - return { - // default options: - softbreak: '\n', // by default, soft breaks are rendered as newlines in HTML - // set to "<br />" to make them hard breaks - // set to " " if you want to ignore line wrapping in source - escape: escapeXml, - options: options || {}, - render: renderNodes - }; -} - -module.exports = HtmlRenderer; |