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