1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
<?php
/*
* Copyright 2017 Florian "Bluewind" Pritz <bluewind@server-speed.net>
*
* Licensed under AGPLv3
* (see COPYING for full license text)
*
*/
namespace service;
class renderer {
/**
* @param $output_cache output cache object
* @param $mfile mfile object
* @param $data data for the rendering of views
*/
public function __construct($output_cache, $mfile, $data)
{
$this->output_cache = $output_cache;
$this->mfile = $mfile;
$this->data = $data;
}
private function colorify($file, $lexer, $anchor_id = false)
{
$output = "";
$lines_to_remove = 0;
$output .= '<div class="code content table">'."\n";
$output .= '<div class="highlight"><code class="code-container">'."\n";
$content = file_get_contents($file);
$linecount = count(explode("\n", $content));
if ($lexer === "json" && $linecount === 1) {
$decoded_json = json_decode($content);
if ($decoded_json !== null && $decoded_json !== false) {
$pretty_json = json_encode($decoded_json, JSON_PRETTY_PRINT);
if ($pretty_json !== false) {
$content = $pretty_json;
$this->output_cache->render_now(
array(
"error_type" => "alert-info",
"error_message" => "<p>The file below has been reformated for readability. It may differ from the original.</p>"
),
"file/fragments/alert-wide"
);
}
}
}
if ($lexer == "ascii") {
// TODO: use exec safe and catch exception
$ret = (new \libraries\ProcRunner(array('ansi2html', '-p')))
->input($content)
->forbid_stderr()
->exec();
// Last line is empty
$lines_to_remove = 1;
} else {
// TODO: use exec safe and catch exception
$ret = (new \libraries\ProcRunner(array('pygmentize', '-F', 'codetagify', '-O', 'encoding=guess,outencoding=utf8,stripnl=False', '-l', $lexer, '-f', 'html')))
->input($content)
->exec();
// Last 2 items are "</pre></div>" and ""
$lines_to_remove = 2;
}
$buf = explode("\n", $ret["stdout"]);
$line_count = count($buf);
for ($i = 1; $i <= $lines_to_remove; $i++) {
unset($buf[$line_count - $i]);
}
foreach ($buf as $key => $line) {
$line_number = $key + 1;
if ($key == 0) {
$line = str_replace("<div class=\"highlight\"><pre>", "", $line);
}
$anchor = "n$line_number";
if ($anchor_id !== false) {
$anchor = "n-$anchor_id-$line_number";
}
if ($line === "") {
$line = "<br>";
}
// Be careful not to add superflous whitespace here (we are in a <code>)
$output .= "<div class=\"table-row\">"
."<a href=\"#$anchor\" class=\"linenumber table-cell\">"
."<span class=\"anchor\" id=\"$anchor\"> </span>"
."</a>"
."<span class=\"line table-cell\">".$line."</span><!--\n";
$output .= "--></div>";
}
$output .= "</code></div>";
$output .= "</div>";
return array(
"return_value" => $ret["return_code"],
"output" => $output
);
}
public function highlight_file($filedata, $lexer, $is_multipaste)
{
// highlight the file and cache the result, fall back to plain text if $lexer fails
foreach (array($lexer, "text") as $lexer) {
$highlit = cache_function($filedata['data_id'].'_'.$lexer, 100,
function() use ($filedata, $lexer, $is_multipaste) {
$file = $this->mfile->file($filedata['data_id']);
if ($lexer == "rmd") {
ob_start();
echo '<div class="code content table markdownrender">'."\n";
echo '<div class="table-row">'."\n";
echo '<div class="table-cell">'."\n";
require_once(APPPATH."/third_party/parsedown/Parsedown.php");
$parsedown = new Parsedown();
echo $parsedown->text(file_get_contents($file));
echo '</div></div></div>';
return array(
"output" => ob_get_clean(),
"return_value" => 0,
);
} else {
return $this->colorify($file, $lexer, $is_multipaste ? $filedata["id"] : false);
}
});
if ($highlit["return_value"] == 0) {
break;
} else {
$message = "Error trying to process the file. Either the lexer is unknown or something is broken.";
if ($lexer != "text") {
$message .= " Falling back to plain text.";
}
$this->output_cache->render_now(
array("error_message" => "<p>$message</p>"),
"file/fragments/alert-wide"
);
}
}
$data = array_merge($this->data, array(
'title' => htmlspecialchars($filedata['filename']),
'id' => $filedata["id"],
'current_highlight' => htmlspecialchars($lexer),
'timeout' => $this->mfile->get_timeout_string($filedata["id"]),
'filedata' => $filedata,
));
$this->output_cache->render_now($data, 'file/html_paste_header');
$this->output_cache->render_now($highlit["output"]);
$this->output_cache->render_now($data, 'file/html_paste_footer');
}
}
|
