[Documentation] Add clarifying comments

Add clarifying comments to doc generator,
.
This commit is contained in:
Victor Woeltjen 2015-08-06 11:44:28 -07:00
parent 3dace28eb3
commit 320be34798

View File

@ -1,7 +1,32 @@
/*****************************************************************************
* Open MCT Web, Copyright (c) 2014-2015, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT Web is licensed under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* Open MCT Web includes source code licensed under additional open source
* licenses. See the Open Source Licenses file (LICENSES.md) included with
* this source code distribution or the Licensing information page available
* at runtime from the About dialog for additional information.
*****************************************************************************/
/*global require,process,GLOBAL*/
/*jslint nomen: true*/
// Usage:
// node gendocs.js --in <source directory> --out <dest directory>
var CONSTANTS = {
DIAGRAM_WIDTH: 800,
DIAGRAM_HEIGHT: 500
@ -22,6 +47,7 @@ GLOBAL.window = GLOBAL.window || GLOBAL; // nomnoml expects window to be define
Canvas = require('canvas'),
options = require("minimist")(process.argv.slice(2));
// Convert from nomnoml source to a target PNG file.
function renderNomnoml(source, target) {
var canvas =
new Canvas(CONSTANTS.DIAGRAM_WIDTH, CONSTANTS.DIAGRAM_HEIGHT);
@ -29,6 +55,11 @@ GLOBAL.window = GLOBAL.window || GLOBAL; // nomnoml expects window to be define
canvas.pngStream().pipe(fs.createWriteStream(target));
}
// Stream transform.
// Pulls out nomnoml diagrams from fenced code blocks and renders them
// as PNG files in the output directory, prefixed with a provided name.
// The fenced code blocks will be replaced with Markdown in the
// output of this stream.
function nomnomlifier(outputDirectory, prefix) {
var transform = new stream.Transform({ objectMode: true }),
isBuilding = false,
@ -70,6 +101,7 @@ GLOBAL.window = GLOBAL.window || GLOBAL; // nomnoml expects window to be define
return transform;
}
// Convert from Github-flavored Markdown to HTML
function gfmifier() {
var transform = new stream.Transform({ objectMode: true }),
markdown = "";
@ -86,6 +118,8 @@ GLOBAL.window = GLOBAL.window || GLOBAL; // nomnoml expects window to be define
return transform;
}
// Custom renderer for marked; converts relative links from md to html,
// and makes headings linkable.
function CustomRenderer() {
var renderer = new marked.Renderer(),
customRenderer = Object.create(renderer);
@ -119,6 +153,9 @@ GLOBAL.window = GLOBAL.window || GLOBAL; // nomnoml expects window to be define
smartypants: false
});
// Convert all markdown files.
// First, pull out nomnoml diagrams.
// Then, convert remaining Markdown to HTML.
glob(options['in'] + "/**/*.md", {}, function (err, files) {
files.forEach(function (file) {
var destination = file.replace(options['in'], options.out)