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Security update to Drupal 8.4.6
[yaffs-website] / vendor / cebe / markdown / bin / markdown
1 #!/usr/bin/env php
2 <?php
3 /**
4  * @copyright Copyright (c) 2014 Carsten Brandt
5  * @license https://github.com/cebe/markdown/blob/master/LICENSE
6  * @link https://github.com/cebe/markdown#readme
7  */
8
9 $composerAutoload = [
10     __DIR__ . '/../vendor/autoload.php', // standalone with "composer install" run
11     __DIR__ . '/../../../autoload.php', // script is installed as a composer binary
12 ];
13 foreach ($composerAutoload as $autoload) {
14     if (file_exists($autoload)) {
15         require($autoload);
16         break;
17     }
18 }
19
20 // Send all errors to stderr
21 ini_set('display_errors', 'stderr');
22
23 $flavor = 'cebe\\markdown\\Markdown';
24 $flavors = [
25         'gfm'   => ['cebe\\markdown\\GithubMarkdown', __DIR__ . '/../GithubMarkdown.php'],
26         'extra' => ['cebe\\markdown\\MarkdownExtra', __DIR__ . '/../MarkdownExtra.php'],
27 ];
28
29 $full = false;
30 $src = [];
31 foreach($argv as $k => $arg) {
32         if ($k == 0) {
33                 continue;
34         }
35         if ($arg[0] == '-') {
36                 $arg = explode('=', $arg);
37                 switch($arg[0]) {
38                         case '--flavor':
39                                 if (isset($arg[1])) {
40                                         if (isset($flavors[$arg[1]])) {
41                                                 require($flavors[$arg[1]][1]);
42                                                 $flavor = $flavors[$arg[1]][0];
43                                         } else {
44                                                 error("Unknown flavor: " . $arg[1], "usage");
45                                         }
46                                 } else {
47                                         error("Incomplete argument --flavor!", "usage");
48                                 }
49                         break;
50                         case '--full':
51                                 $full = true;
52                         break;
53                         case '-h':
54                         case '--help':
55                                 echo "PHP Markdown to HTML converter\n";
56                                 echo "------------------------------\n\n";
57                                 echo "by Carsten Brandt <mail@cebe.cc>\n\n";
58                                 usage();
59                         break;
60                         default:
61                                 error("Unknown argument " . $arg[0], "usage");
62                 }
63         } else {
64                 $src[] = $arg;
65         }
66 }
67
68 if (empty($src)) {
69         $markdown = file_get_contents("php://stdin");
70 } elseif (count($src) == 1) {
71         $file = reset($src);
72         if (!file_exists($file)) {
73                 error("File does not exist:" . $file);
74         }
75         $markdown = file_get_contents($file);
76 } else {
77         error("Converting multiple files is not yet supported.", "usage");
78 }
79
80 /** @var cebe\markdown\Parser $md */
81 $md = new $flavor();
82 $markup = $md->parse($markdown);
83
84 if ($full) {
85         echo <<<HTML
86 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
87         "http://www.w3.org/TR/html4/loose.dtd">
88 <html>
89 <head>
90         <meta http-equiv="content-type" content="text/html; charset=utf-8">
91         <style>
92                 body { font-family: Arial, sans-serif; }
93                 code { background: #eeeeff; padding: 2px; }
94                 li { margin-bottom: 5px; }
95                 img { max-width: 1200px; }
96                 table, td, th { border: solid 1px #ccc; border-collapse: collapse; }
97         </style>
98 </head>
99 <body>
100 $markup
101 </body>
102 </html>
103 HTML;
104 } else {
105         echo $markup;
106 }
107
108 // functions
109
110 /**
111  * Display usage information
112  */
113 function usage() {
114         global $argv;
115         $cmd = $argv[0];
116         echo <<<EOF
117 Usage:
118     $cmd [--flavor=<flavor>] [--full] [file.md]
119
120     --flavor  specifies the markdown flavor to use. If omitted the original markdown by John Gruber [1] will be used.
121               Available flavors:
122
123               gfm   - Github flavored markdown [2]
124               extra - Markdown Extra [3]
125
126     --full    ouput a full HTML page with head and body. If not given, only the parsed markdown will be output.
127
128     --help    shows this usage information.
129
130     If no file is specified input will be read from STDIN.
131
132 Examples:
133
134     Render a file with original markdown:
135
136         $cmd README.md > README.html
137
138     Render a file using gihtub flavored markdown:
139
140         $cmd --flavor=gfm README.md > README.html
141
142     Convert the original markdown description to html using STDIN:
143
144         curl http://daringfireball.net/projects/markdown/syntax.text | $cmd > md.html
145
146
147 [1] http://daringfireball.net/projects/markdown/syntax
148 [2] https://help.github.com/articles/github-flavored-markdown
149 [3] http://michelf.ca/projects/php-markdown/extra/
150
151 EOF;
152         exit(1);
153 }
154
155 /**
156  * Send custom error message to stderr
157  * @param $message string
158  * @param $callback mixed called before script exit
159  * @return void
160  */
161 function error($message, $callback = null) {
162         $fe = fopen("php://stderr", "w");
163         fwrite($fe, "Error: " . $message . "\n");
164
165         if (is_callable($callback)) {
166                 call_user_func($callback);
167         }
168
169         exit(1);
170 }
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