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var _ = require('lodash');
var kramed = require('kramed');
var annotate = require('kramed/lib/annotate/');
var RAW_START = "{% raw %}";
var RAW_END = "{% endraw %}";
function escape(str) {
return RAW_START + str + RAW_END;
}
// Combines annotated nodes
function combine(nodes) {
return _.pluck(nodes, 'raw').join('');
}
function preparePage(src) {
var lexed = annotate.blocks(src);
var levelRaw = 0;
var escapeCodeElement = function(el) {
if (el.type == 'code' && levelRaw == 0) {
el.raw = escape(el.raw);
} else if (el.type == 'tplexpr') {
var expr = el.matches[0];
if(expr === 'raw') {
levelRaw = levelRaw + 1;
} else if(expr === 'endraw') {
levelRaw = 0;
}
}
return el;
};
var escaped = lexed
.map(function(el) {
// Only escape paragraphs and headings
if(el.type == 'paragraph' || el.type == 'heading') {
var line = annotate.inline(el.raw);
// Escape inline code blocks
line = line.map(escapeCodeElement);
// Change raw source code
el.raw = combine(line);
return el;
} else {
return escapeCodeElement(el);
}
});
return combine(escaped);
}
function parsePage(src) {
var options = _.extend({}, kramed.defaults, {
mathjax: false,
renderer: new kramed.Renderer({
langPrefix: 'lang-',
smartypants: false,
headerPrefix: '',
headerAutoId: false,
xhtml: false
})
});
return {
sections: [
{
type: "normal",
content: kramed(src, options)
}
]
};
}
// Exports
module.exports = parsePage;
module.exports.prepare = preparePage;
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