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| #!/usr/bin/env node
|
| /*!
| * Module dependencies.
| */
|
| var qrcode = require('../lib/main'),
| path = require('path'),
| fs = require('fs');
|
| /*!
| * Parse the process name
| */
|
| var name = process.argv[1].replace(/^.*[\\\/]/, '').replace('.js', '');
|
| /*!
| * Parse the input
| */
|
| if (process.stdin.isTTY) {
| // called with input as argument, e.g.:
| // ./qrcode-terminal.js "INPUT"
|
| var input = process.argv[2];
| handleInput(input);
| } else {
| // called with piped input, e.g.:
| // echo "INPUT" | ./qrcode-terminal.js
|
| var readline = require('readline');
|
| var interface = readline.createInterface({
| input: process.stdin,
| output: process.stdout,
| terminal: false
| });
|
| interface.on('line', function(line) {
| handleInput(line);
| });
| }
|
| /*!
| * Process the input
| */
|
| function handleInput(input) {
|
| /*!
| * Display help
| */
|
| if (!input || input === '-h' || input === '--help') {
| help();
| process.exit();
| }
|
| /*!
| * Display version
| */
|
| if (input === '-v' || input === '--version') {
| version();
| process.exit();
| }
|
| /*!
| * Render the QR Code
| */
|
| qrcode.generate(input);
| }
|
| /*!
| * Helper functions
| */
|
| function help() {
| console.log([
| '',
| 'Usage: ' + name + ' <message>',
| '',
| 'Options:',
| ' -h, --help output usage information',
| ' -v, --version output version number',
| '',
| 'Examples:',
| '',
| ' $ ' + name + ' hello',
| ' $ ' + name + ' "hello world"',
| ''
| ].join('\n'));
| }
|
| function version() {
| var packagePath = path.join(__dirname, '..', 'package.json'),
| packageJSON = JSON.parse(fs.readFileSync(packagePath), 'utf8');
|
| console.log(packageJSON.version);
| }
|
|
