192 lines
3.6 KiB
JavaScript
Executable File
192 lines
3.6 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/**
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* Marked CLI
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* Copyright (c) 2011-2013, Christopher Jeffrey (MIT License)
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*/
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var fs = require('fs')
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, util = require('util')
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, marked = require('../');
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/**
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* Man Page
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*/
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function help() {
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var spawn = require('child_process').spawn;
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var options = {
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cwd: process.cwd(),
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env: process.env,
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setsid: false,
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customFds: [0, 1, 2]
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};
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spawn('man', [__dirname + '/../man/marked.1'], options)
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.on('error', function(err) {
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fs.readFile(__dirname + '/../man/marked.1.txt', 'utf8', function(err, data) {
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if (err) throw err;
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console.log(data);
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});
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});
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}
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/**
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* Main
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*/
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function main(argv, callback) {
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var files = []
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, options = {}
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, input
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, output
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, arg
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, tokens
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, opt;
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function getarg() {
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var arg = argv.shift();
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if (arg.indexOf('--') === 0) {
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// e.g. --opt
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arg = arg.split('=');
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if (arg.length > 1) {
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// e.g. --opt=val
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argv.unshift(arg.slice(1).join('='));
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}
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arg = arg[0];
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} else if (arg[0] === '-') {
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if (arg.length > 2) {
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// e.g. -abc
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argv = arg.substring(1).split('').map(function(ch) {
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return '-' + ch;
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}).concat(argv);
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arg = argv.shift();
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} else {
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// e.g. -a
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}
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} else {
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// e.g. foo
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}
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return arg;
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}
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while (argv.length) {
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arg = getarg();
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switch (arg) {
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case '--test':
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return require('../test').main(process.argv.slice());
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case '-o':
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case '--output':
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output = argv.shift();
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break;
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case '-i':
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case '--input':
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input = argv.shift();
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break;
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case '-t':
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case '--tokens':
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tokens = true;
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break;
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case '-h':
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case '--help':
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return help();
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default:
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if (arg.indexOf('--') === 0) {
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opt = camelize(arg.replace(/^--(no-)?/, ''));
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if (!marked.defaults.hasOwnProperty(opt)) {
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continue;
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}
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if (arg.indexOf('--no-') === 0) {
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options[opt] = typeof marked.defaults[opt] !== 'boolean'
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? null
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: false;
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} else {
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options[opt] = typeof marked.defaults[opt] !== 'boolean'
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? argv.shift()
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: true;
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}
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} else {
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files.push(arg);
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}
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break;
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}
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}
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function getData(callback) {
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if (!input) {
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if (files.length <= 2) {
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return getStdin(callback);
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}
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input = files.pop();
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}
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return fs.readFile(input, 'utf8', callback);
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}
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return getData(function(err, data) {
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if (err) return callback(err);
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data = tokens
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? JSON.stringify(marked.lexer(data, options), null, 2)
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: marked(data, options);
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if (!output) {
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process.stdout.write(data + '\n');
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return callback();
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}
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return fs.writeFile(output, data, callback);
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});
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}
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/**
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* Helpers
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*/
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function getStdin(callback) {
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var stdin = process.stdin
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, buff = '';
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stdin.setEncoding('utf8');
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stdin.on('data', function(data) {
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buff += data;
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});
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stdin.on('error', function(err) {
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return callback(err);
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});
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stdin.on('end', function() {
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return callback(null, buff);
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});
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try {
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stdin.resume();
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} catch (e) {
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callback(e);
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}
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}
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function camelize(text) {
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return text.replace(/(\w)-(\w)/g, function(_, a, b) {
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return a + b.toUpperCase();
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});
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}
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/**
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* Expose / Entry Point
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*/
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if (!module.parent) {
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process.title = 'marked';
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main(process.argv.slice(), function(err, code) {
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if (err) throw err;
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return process.exit(code || 0);
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});
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} else {
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module.exports = main;
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}
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