mirror of
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65 lines
1.5 KiB
PHP
65 lines
1.5 KiB
PHP
<?php
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/**
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* This file is part of twigc.
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*
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* @author dana geier <dana@dana.is>
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* @license MIT
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*/
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/**
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* Helper function for printing an error message.
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*
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* Uses fprintf() to print to STDERR if available; uses echo otherwise.
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*
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* @param string $string
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* (optional) The message to print. Will be passed through rtrim(); if the
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* result is an empty string, only an empty line will be printed; otherwise,
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* the text 'twigc: ' will be appended to the beginning.
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*
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* @return void
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*/
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function twigc_puts_error($string = '') {
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$string = rtrim($string);
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$string = $string === '' ? '' : "twigc: ${string}";
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// \STDERR only exists when we're using the CLI SAPI
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if ( defined('\\STDERR') ) {
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fprintf(\STDERR, "%s\n", $string);
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} else {
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echo $string, "\n";
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}
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}
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// Find Composer's auto-loader
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$autoloaders = [
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// Phar/repo path
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__DIR__ . '/../vendor/autoload.php',
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// Composer path
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__DIR__ . '/../../../autoload.php',
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];
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foreach ( $autoloaders as $autoloader ) {
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if ( file_exists($autoloader) ) {
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define('TWIGC_AUTOLOADER', $autoloader);
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break;
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}
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}
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unset($autoloaders, $autoloader);
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// Disallow running from non-CLI SAPIs
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if ( \PHP_SAPI !== 'cli' ) {
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twigc_puts_error("This tool must be invoked via PHP's CLI SAPI.");
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exit(1);
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}
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// Give a meaningful error if we don't have the auto-loader
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if ( ! defined('TWIGC_AUTOLOADER') ) {
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twigc_puts_error('Auto-loader is missing — try running `composer install`.');
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exit(1);
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}
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require_once TWIGC_AUTOLOADER;
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