From 217bb47b0271df61dc93a37a440404794679245a Mon Sep 17 00:00:00 2001
From: isaacs <i@izs.me>
Date: Mon, 27 Feb 2012 10:59:01 -0800
Subject: New documentation generation tool

---
 tools/doc/generate.js | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100755 tools/doc/generate.js

(limited to 'tools/doc/generate.js')

diff --git a/tools/doc/generate.js b/tools/doc/generate.js
new file mode 100755
index 0000000000..f866c0120b
--- /dev/null
+++ b/tools/doc/generate.js
@@ -0,0 +1,99 @@
+#!node
+
+var marked = require('marked');
+var fs = require('fs');
+var path = require('path');
+
+// parse the args.
+// Don't use nopt or whatever for this.  It's simple enough.
+
+var args = process.argv.slice(2);
+var format = 'json';
+var template = null;
+var inputFile = null;
+
+args.forEach(function (arg) {
+  if (!arg.match(/^\-\-/)) {
+    inputFile = arg;
+  } else if (arg.match(/^\-\-format=/)) {
+    format = arg.replace(/^\-\-format=/, '');
+  } else if (arg.match(/^\-\-template=/)) {
+    template = arg.replace(/^\-\-template=/, '');
+  }
+})
+
+
+if (!inputFile) {
+  throw new Error('No input file specified');
+}
+
+
+console.error('Input file = %s', inputFile);
+fs.readFile(inputFile, 'utf8', function(er, input) {
+  if (er) throw er;
+  // process the input for @include lines
+  processIncludes(input, next);
+});
+
+
+var includeExpr = /^@include\s+([A-Za-z0-9-_]+)(?:\.)?([a-zA-Z]*)$/gmi;
+var includeData = {};
+function processIncludes(input, cb) {
+  var includes = input.match(includeExpr);
+  if (includes === null) return cb(null, input);
+  var errState = null;
+  console.error(includes);
+  var incCount = includes.length;
+  if (incCount === 0) cb(null, input);
+  includes.forEach(function(include) {
+    var fname = include.replace(/^@include\s+/, '');
+    if (!fname.match(/\.markdown$/)) fname += '.markdown';
+
+    if (includeData.hasOwnProperty(fname)) {
+      input = input.split(include).join(includeData[fname]);
+      incCount--;
+      if (incCount === 0) {
+        return cb(null, input);
+      }
+    }
+
+    var fullFname = path.resolve(path.dirname(inputFile), fname);
+    fs.readFile(fullFname, 'utf8', function(er, inc) {
+      if (errState) return;
+      if (er) return cb(errState = er);
+      processIncludes(inc, function(er, inc) {
+        if (errState) return;
+        if (er) return cb(errState = er);
+        incCount--;
+        includeData[fname] = inc;
+        input = input.split(include).join(includeData[fname]);
+        if (incCount === 0) {
+          return cb(null, input);
+        }
+      });
+    });
+  });
+}
+
+
+function next(er, input) {
+  if (er) throw er;
+  switch (format) {
+    case 'json':
+      require('./json.js')(input, inputFile, function(er, obj) {
+        console.log(JSON.stringify(obj, null, 2));
+        if (er) throw er;
+      });
+      break;
+
+    case 'html':
+      require('./html.js')(input, inputFile, template, function(er, html) {
+        if (er) throw er;
+        console.log(html);
+      });
+      break;
+
+    default:
+      throw new Error('Invalid format: ' + format);
+  }
+}
-- 
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