$line_range) {
if (preg_match("/([0-9]+)[-–]([0-9]+)/", $line_range, $m)) {
$line_numbers = array_merge($line_numbers, range(--$m[1],--$m[2]));
} else if (preg_match("/([0-9]+)[-–]$/", $line_range, $m)) {
$line_numbers[] = $to_end_from = --$m[1];
} else {
$line_numbers[] = --$line_range;
}
}
## Same thing, but for highlighted line ranges.
$hl_line_ranges = isset($parsed['hl'])
? explode(',', $parsed['hl'])
: [ ];
$hl_line_numbers = [ ];
$hl_to_end_from = -1;
foreach ($hl_line_ranges as $key => $hl_line_range) {
if (preg_match("/([0-9]+)[-–]([0-9]+)/", $hl_line_range, $m)) {
$hl_line_numbers = array_merge($hl_line_numbers, range(--$m[1],--$m[2]));
} else if (preg_match("/([0-9]+)[-–]$/", $hl_line_range, $m)) {
$hl_line_numbers[] = $hl_to_end_from = --$m[1];
} else {
$hl_line_numbers[] = --$hl_line_range;
}
}
$embed_js_url = "https://pastebin.com/embed_js/$paste_id" . ($theme ? "?theme={$theme}" : "");
$embed_iframe_url = "https://pastebin.com/embed_iframe/$paste_id" . ($theme ? "?theme={$theme}" : "");
$embed_raw_url = "https://pastebin.com/raw/$paste_id";
$out = 'Unknown error.';
## There are three ‘modes’: raw (retrieve just the text, server-side, and insert it
## into the page), no-js (retrieve the HTML, server-side, and insert it into the
## page), and default (i.e., JS-based: insert the scriptlet, and let it retrieve and
## insert the HTML into the page, client-side & async).
## The mode is set by arguments to the (:pastebin-embed:) markup:
## - if neither the ‘raw’ nor the ‘no-js’ option is given, default (JS) mode is used
## - if the ‘raw’ option is given, raw mode is used
## - if the ‘no-js’ option is given, no-js mode is used
if ($raw) {
$raw_text = file_get_contents($embed_raw_url);
if (!$raw_text)
return Keep('Could not retrieve paste!');
$raw_lines = explode("\n", $raw_text);
## Convert HTML entities.
if (!$noPre) {
foreach ($raw_lines as $line)
$line = PVSE($line);
}
## Highlighting only works if no-pre is NOT enabled.
if ( !empty($hl_line_numbers)
&& !$noPre) {
if ($hl_to_end_from >= 0)
$hl_line_numbers = array_merge($hl_line_numbers, range($hl_to_end_from, count($raw_lines) - 1));
foreach ($hl_line_numbers as $l) {
$raw_lines[$l] = '' . rtrim($raw_lines[$l]) . '';
}
}
## Filter by line number ranges, if specified.
if (!empty($line_numbers)) {
if ($to_end_from >= 0)
$line_numbers = array_merge($line_numbers, range($to_end_from, count($raw_lines) - 1));
$raw_lines = array_intersect_key($raw_lines, array_flip($line_numbers));
}
$raw_text = implode("\n", $raw_lines);
## The ‘no-pre’ option means we shouldn’t wrap the text in a tag.
$out = $noPre
? $raw_text
: Keep("\n" . $raw_text . "\n
\n");
} else if ($noJS) {
include_once('simple_html_dom.php');
$content_html = file_get_html($embed_iframe_url);
if (!$content_html)
return Keep('Could not retrieve paste!');
$content = $content_html->find(".embedPastebin", 0);
$content->id = "pastebinEmbed_$id";
$styles_html = file_get_html($embed_js_url);
if (!$styles_html)
return Keep('Could not retrieve styles!');
$styles = $styles_html->find("style", 0);
## Filter specified line ranges (if any have been specified via the lines=
## parameter).
if (!empty($line_numbers)) {
$lines = $content_html->find(".embedPastebin > ol > li");
if ($to_end_from >= 0)
$line_numbers = array_merge($line_numbers, range($to_end_from, count($lines) - 1));
foreach ($lines as $i => $line) {
if (!in_array($i, $line_numbers))
$line->outertext = '';
else
$line->value = ++$i;
}
}
## Highlight specified line ranges (if any have been specified via the hl=
## parameter).
if (!empty($hl_line_numbers)) {
$lines = $content_html->find(".embedPastebin > ol > li");
if ($hl_to_end_from >= 0)
$hl_line_numbers = array_merge($hl_line_numbers, range($hl_to_end_from, count($lines) - 1));
foreach ($lines as $i => $line) {
if (in_array($i, $hl_line_numbers)) {
$line->children(0)->class .= " pastebin-embed-highlighted-line";
}
}
}
$out = Keep($styles.$content);
} else {
$out = Keep("");
$out .= Keep("
");
if ( !empty($hl_line_numbers)
|| !empty($line_numbers)) {
$line_numbers_js = "[ " . implode(", ", $line_numbers) . " ]";
$hl_line_numbers_js = "[ " . implode(", ", $hl_line_numbers) . " ]";
$out .= Keep("
");
}
}
global $HTMLStylesFmt;
if (!$raw && $noFooter) {
$HTMLStylesFmt['pastebin-embed'][] = "#pastebinEmbed_$id .embedFooter { display: none; }\n";
}
if (!$raw && $noLineNumbers) {
$HTMLStylesFmt['pastebin-embed'][] = "#pastebinEmbed_$id .source > ol { padding-left: 5px; }\n";
}
PastebinEmbedInjectStyles();
$id++;
return $out;
}
function PastebinEmbedInjectStyles() {
static $ran_once = false;
if (!$ran_once) {
global $HTMLStylesFmt, $PastebinEmbedHighlightStyle;
$styles = "
.embedPastebinRaw .pastebin-embed-highlighted-line { $PastebinEmbedHighlightStyle display: inline-block; width: calc(100% + 4px); padding-left: 4px; margin-left: -4px; }
.embedPastebin li .pastebin-embed-highlighted-line { $PastebinEmbedHighlightStyle }
#wikitext .embedPastebin ol { margin: 0; padding: 0 0 0 60px; }
";
$HTMLStylesFmt['pastebin-embed'][] = $styles;
}
$ran_once = true;
}