123 lines
3.6 KiB
JavaScript
123 lines
3.6 KiB
JavaScript
#!/usr/bin/env node
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'use strict';
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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const fs = require('fs');
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const path = require('path');
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// parse the args.
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// Don't use nopt or whatever for this. It's simple enough.
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const args = process.argv.slice(2);
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let format = 'json';
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let template = null;
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let inputFile = null;
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args.forEach((arg) => {
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if (!arg.match(/^--/)) {
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inputFile = arg;
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} else if (arg.match(/^--format=/)) {
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format = arg.replace(/^--format=/, '');
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} else if (arg.match(/^--template=/)) {
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template = arg.replace(/^--template=/, '');
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}
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});
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if (!inputFile) {
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throw new Error('No input file specified');
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}
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console.error('Input file = %s', inputFile);
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fs.readFile(inputFile, 'utf8', (er, input) => {
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if (er) throw er;
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// process the input for @include lines
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processIncludes(inputFile, input, next);
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});
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const includeExpr = /^@include\s+([A-Za-z0-9-_/]+)(?:\.)?([a-zA-Z]*)$/gmi;
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const includeData = {};
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const processIncludes = (inputFile, input, cb) => {
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const includes = input.match(includeExpr);
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if (includes == null) return cb(null, input);
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let errState = null;
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console.error(includes);
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let incCount = includes.length;
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if (incCount === 0) cb(null, input);
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includes.forEach((include) => {
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let fname = include.replace(/^@include\s+/, '');
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if (!fname.match(/\.md$/)) fname += '.md';
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if (Object.prototype.hasOwnProperty.call(includeData, fname)) {
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input = input.split(include).join(includeData[fname]);
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incCount--;
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if (incCount === 0) {
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return cb(null, input);
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}
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}
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const fullFname = path.resolve(path.dirname(inputFile), fname);
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fs.readFile(fullFname, 'utf8', (er, inc) => {
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if (errState) return;
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if (er) return cb(errState = er);
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processIncludes(fullFname, inc, (er, inc) => {
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if (errState) return;
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if (er) return cb(errState = er);
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incCount--;
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includeData[fname] = inc;
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input = input.split(include).join(includeData[fname]);
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if (incCount === 0) {
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return cb(null, input);
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}
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});
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});
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});
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};
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const next = (er, input) => {
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if (er) throw er;
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switch (format) {
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case 'json':
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require('./json.js')(input, inputFile, (er, obj) => {
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console.log(JSON.stringify(obj, null, 2));
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if (er) throw er;
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});
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break;
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case 'html':
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require('./html.js')(input, inputFile, template, (er, html) => {
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if (er) throw er;
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console.log(html);
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});
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break;
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default:
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throw new Error(`Invalid format: ${format}`);
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}
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};
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