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/*
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Process a single doc file
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argv[2] = template file
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argv[3] = input file
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argv[4] = output file
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*/
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var fs = require("fs"),
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path = require("path"),
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markdown = require("./markdown"),
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argv = process.argv,
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argc = argv.length;
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var template = fs.readFileSync(argv[2], "utf8");
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function formatIdString(str) {
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str = str
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.replace(/\([^)}]*\)/gmi, "")
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.replace(/[^A-Za-z0-9_.]+/gmi, "_");
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return str.substr(0,1).toLowerCase() + str.substr(1);
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}
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function generateToc(data) {
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var last_level = 0
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, first_level = 0
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, toc = [
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'<div id="toc">',
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'<h2>Table Of Contents</h2>'
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];
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data.replace(/(^#+)\W+([^$\n]+)/gmi, function(src, level, text) {
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level = level.length;
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if (first_level == 0) first_level = level;
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if (level <= last_level) {
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toc.push("</li>");
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}
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if (level > last_level) {
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toc.push("<ul>");
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} else if (level < last_level) {
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for(var c=last_level-level; 0 < c ; c-- ) {
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toc.push("</ul>");
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toc.push("</li>");
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}
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}
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toc.push("<li>");
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toc.push('<a href="#'+formatIdString(text)+'">'+text+'</a>');
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last_level = level;
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});
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for(var c=last_level-first_level; 0 <= c ; c-- ) {
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toc.push("</li>");
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toc.push("</ul>");
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}
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toc.push("<hr />")
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toc.push("</div>");
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return toc.join("");
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}
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var includeExpr = /^@include\s+([A-Za-z0-9-_]+)(?:\.)?([a-zA-Z]*)$/gmi;
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// Allow including other pages in the data.
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function loadIncludes(data, current_file) {
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return data.replace(includeExpr, function(src, name, ext) {
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try {
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var include_path = path.join(current_file, "../", name+"."+(ext || "markdown"))
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return loadIncludes(fs.readFileSync(include_path, "utf8"), current_file);
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} catch(e) {
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return "";
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}
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});
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}
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function convertData(data) {
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// Convert it to HTML from Markdown
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var html = markdown.toHTML(markdown.parse(data), {xhtml:true})
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.replace(/<hr><\/hr>/g, "<hr />")
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.replace(/(\<h[2-6])\>([^<]+)(\<\/h[1-6]\>)/gmi, function(o, ts, c, te) {
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return ts+' id="'+formatIdString(c)+'">'+c+te;
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});
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return html;
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}
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if (argc > 3) {
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var filename = argv[3],
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output = template,
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html;
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fs.readFile(filename, "utf8", function(err, data) {
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if (err) throw err;
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// go recursion.
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data = loadIncludes(data, filename);
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// go markdown.
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html = convertData(data);
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filename = path.basename(filename, '.markdown');
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if (filename != "_toc" && filename != "index") {
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if (data) {
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html = generateToc(data) + "\n" + html;
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}
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output = output.replace("{{section}}", filename+" - ")
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} else {
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output = output.replace("{{section}}", "");
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output = output.replace(/<body([^>]*)>/, '<body class="'+filename+'" $1>');
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}
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if (html.length == 0) {
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html = "Sorry, this section is currently undocumented, \
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but we'll be working on it.";
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}
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output = output.replace("{{content}}", html);
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if (argc > 4) {
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fs.writeFile(argv[4], output);
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} else {
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process.stdout.write(output);
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}
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});
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}
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