2021-03-01 15:22:22 +01:00
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<?php
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if (isset($_REQUEST["url"]))
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$url = $_REQUEST["url"];
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elseif (isset($_SERVER["QUERY_STRING"]))
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$url = "/".$_SERVER["QUERY_STRING"];
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else
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$url = "/index.gmi";
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$GMI_DIR = $_SERVER['DOCUMENT_ROOT'];
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$filePath = $GMI_DIR.$url;
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$fileContent = @file_get_contents($filePath);
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if (!$fileContent) {
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http_response_code(404);
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die("404: $filePath $GMI_DIR $url");
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}
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$fileLines = preg_split("/\n/", $fileContent);
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ob_start();
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echo(<<<EOL
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<!DOCTYPE html>
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<html lang="fr">
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<head>
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<title>HTM Gem</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<!-- link type="text/css" rel="StyleSheet" href="/htmgem.css" -->
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<style>
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EOL
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);
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include("htmgem.css");
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echo(<<<EOL
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</style>
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</head>
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<body>
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EOL);
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2021-03-02 23:35:53 +01:00
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function addTextAttributes($line) {
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$output = $line;
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$output = preg_replace("#__([^_]+)(?:__)?#", "<u>\$1</u>", $output);
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$output = preg_replace("#//([^/]+)(?://)?#", "<i>\$1</i>", $output);
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$output = preg_replace("#~~([^~]+)(?:~~)?#", "<del>\$1</del>", $output);
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$output = preg_replace("#\*\*([^\*]+)(?:\*\*)?#", "<b>\$1</b>", $output);
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return $output;
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}
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2021-03-01 15:22:22 +01:00
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$mode = null;
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foreach ($fileLines as $line) {
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$reDo = true;
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$line1 = substr($line, 0, 1);
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$line2 = substr($line, 0, 2);
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$line3 = substr($line, 0, 3);
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2021-03-02 23:35:53 +01:00
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$line = htmlspecialchars($line, ENT_HTML5, "UTF-8", false);
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2021-03-01 15:22:22 +01:00
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while ($reDo) {
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$reDo = false; # Change in modes need to redo one loop as they can’t handle the case
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if (is_null($mode)) {
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if (empty($line)) {
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print("<p> </p>\n");
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} elseif ("#" == $line1) {
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preg_match("/^(#{1,3})\s*(.*)/", $line, $sharps);
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$h_level = strlen($sharps[1]);
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$text = $sharps[2];
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switch ($h_level) {
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case 1: print("<h1>".$text."</h1>\n"); break;
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case 2: print("<h2>".$text."</h2>\n"); break;
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case 3: print("<h3>".$text."</h3>\n"); break;
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}
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} elseif ("=>" == $line2) {
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preg_match("/^=>\s*([^\s]+)\s*(.*)$/", $line, $linkParts);
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$url_link = $linkParts[1];
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$url_label = $linkParts[2];
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if (empty($url_label)) $url_label = $url_link;
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print("<p><a href='".$url_link."'>".$url_label."</a></p>\n");
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} elseif ("```" == $line3) {
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$mode="pre";
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print("<pre>\n");
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} elseif (">" == $line1) {
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$mode = "quote";
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preg_match("/^>\s*(.*)$/", $line, $quoteParts);
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$quote = $quoteParts[1];
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print("<blockquote>\n");
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if (empty($quote))
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print("<p> </p>\n");
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else
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print("<p>".$quoteParts[1]."</p>\n");
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2021-03-02 23:35:53 +01:00
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} elseif ("*" == $line1 && "**" != $line2) {
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2021-03-01 15:22:22 +01:00
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$mode = "ul";
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$reDo = true;
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print("<ul>\n");
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} else {
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2021-03-02 23:35:53 +01:00
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print("<p>".addTextAttributes($line)."</p>\n");
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2021-03-01 15:22:22 +01:00
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}
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} elseif ("pre"==$mode) {
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if ("```" == $line3) {
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$mode=null;
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print("</pre>\n");
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} else {
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print($line."\n");
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}
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} elseif ("quote"==$mode) {
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if (">" == $line1) {
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preg_match("/^>\s*(.*)$/", $line, $quoteParts);
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$quote = $quoteParts[1];
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if (empty($quote))
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print("<p> </p>\n");
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else
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print("<p>".$quote."</p>\n");
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} else {
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print("</blockquote>\n");
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$mode=null;
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$reDo=true;
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}
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} elseif ("ul"==$mode) {
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2021-03-02 23:35:53 +01:00
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if ("*" == $line1 && "**" != $line2) {
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2021-03-01 15:22:22 +01:00
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preg_match("/^\*\s*(.*)$/", $line, $ulParts);
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$li = $ulParts[1];
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if (empty($li))
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print("<li> \n");
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else
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print("<li>".$ulParts[1]."\n");
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} else {
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$mode = null;
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print("</ul>\n");
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2021-03-02 22:48:06 +01:00
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$reDo = true;
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2021-03-01 15:22:22 +01:00
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}
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}
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}
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}
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ob_end_flush();
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?>
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