$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 = $parsed['hl'] ? explode(',', $parsed['hl']) : array();
$hl_line_numbers = array();
$hl_to_end_from = -1;
foreach ($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;
}
}
$embed_js_url = "https://gist.github.com/$gist_id.js";
$embed_raw_url = "https://gist.github.com/$gist_id/raw/";
$embed_json_url = "https://gist.github.com/$gist_id.json";
$out = "Unknown error.";
if ($raw) {
## If no filenames have been specified, we'll have to retrieve the file list from
## the server; otherwise, we'll have no idea what files to request, and just
## retrieving the 'raw' URL for a multi-file gist (with no file specified) gets
## the first file only...
if (empty($files)) {
$full_gist_data = json_decode(file_get_contents($embed_json_url),true);
$files = $full_gist_data['files'];
}
## The raw text of each file of a multi-file gist must be retrieved individually.
$out = array();
foreach ($files as $filename) {
$raw_text = file_get_contents($embed_raw_url.$filename);
if (!$raw_text) return Keep("Could not retrieve gist!");
$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 AND if we're displaying a
## single file only.
if (!empty($hl_line_numbers) && !$noPre && count($files) == 1) {
if ($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]) . "";
}
}
## Specifying line numbers only works if we're displaying a single file only.
if (!empty($line_numbers) && count($files) == 1) {
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");
}
$out = implode($noPre ? "\n\n" : "", $out);
} else if ($noJS) {
include_once('simple_html_dom.php');
$json_content = json_decode(file_get_contents($embed_json_url),true);
## The style sheet.
global $HTMLHeaderFmt;
$HTMLHeaderFmt[] = "\n";
## The HTML.
$content_html = str_get_html(stripcslashes($json_content['div']));
$content = $content_html->find("div.gist", 0);
$content->id = "gistEmbed_$id";
## If specific files are specified, we simply delete the div.gist-file containers
## that contain files we don't want.
if (!empty($files)) {
$file_ids = preg_replace("/\./", "-", $files);
$gist_file_blocks = $content_html->find("div.gist-file");
foreach ($gist_file_blocks as $gist_file_block) {
if (!in_array(substr($gist_file_block->find("div.file", 0)->id, 5), $file_ids))
$gist_file_block->outertext = '';
}
}
## Specifying line numbers only works if we're displaying a single file only.
$displayed_gist_files = array_filter($content_html->find("div.gist-file"), function ($d) { return $d->outertext; });
if (!empty($line_numbers) && count($displayed_gist_files) == 1) {
$lines = reset($displayed_gist_files)->find(".js-file-line-container tr");
if ($to_end_from >= 0)
$line_numbers = array_merge($line_numbers, range($to_end_from, count($lines) - 1));
foreach ($lines as $l) {
$line_num =$l->childNodes(0)->getAttribute('data-line-number');
if (!in_array(--$line_num, $line_numbers))
$l->outertext = '';
}
}
## Highlighting specific line numbers only works if we're display a single file
## only.
if (!empty($hl_line_numbers) && count($displayed_gist_files) == 1) {
$lines = reset($displayed_gist_files)->find(".js-file-line-container tr");
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(1)->class .= " gist-embed-highlighted-line";
}
}
}
$out = Keep($content);
} else {
$out = Keep("");
## If specific files are specified, we'll delete the div.gist-file containers
## that contain files we don't want (this script will run right after the script
## that adds the content in the first place).
if (!empty($files)) {
$files_js = preg_replace("/\./", "-", "[ '".implode("', '",$files)."' ]");
$out .= Keep("
");
}
## Specifying line numbers only works if we're displaying a single file only.
if (!empty($line_numbers) || !empty($hl_line_numbers)) {
$line_numbers_js = "[ ".implode(", ",$line_numbers)." ]";
$hl_line_numbers_js = "[ ".implode(", ",$hl_line_numbers)." ]";
$out .= Keep("
");
}
GistEmbedAppendFooter();
}
global $HTMLStylesFmt;
if (!$raw && $noFooter) {
$HTMLStylesFmt['gist-embed'][] = "#gistEmbed_$id .gist-meta { display: none; }\n";
$HTMLStylesFmt['gist-embed'][] = "#gistEmbed_$id .gist-data { border-bottom: none; border-radius: 2px; }\n";
}
if (!$raw && $noLineNumbers) {
$HTMLStylesFmt['gist-embed'][] = "#gistEmbed_$id td.js-line-number { display: none; }\n";
}
GistEmbedInjectStyles();
$id++;
return $out;
}
function GistEmbedAppendFooter() {
static $ran_once = false;
if (!$ran_once) {
global $HTMLFooterFmt;
$HTMLFooterFmt[] =
"\n";
}
$ran_once = true;
}
function GistEmbedInjectStyles() {
static $ran_once = false;
if (!$ran_once) {
global $HTMLStylesFmt, $GistEmbedHighlightStyle;
$styles = "
.gistRaw .gist-embed-highlighted-line { $GistEmbedHighlightStyle display: inline-block; width: calc(100% + 4px); padding-left: 4px; margin-left: -4px; }
.gist tr .gist-embed-highlighted-line { $GistEmbedHighlightStyle }
";
$HTMLStylesFmt['gist-embed'][] = $styles;
}
$ran_once = true;
}