HtmGem/htmgem.php

126 lines
3.6 KiB
PHP
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<?php
if (isset($_REQUEST["url"]))
$url = $_REQUEST["url"];
elseif (isset($_SERVER["QUERY_STRING"]))
$url = "/".$_SERVER["QUERY_STRING"];
else
$url = "/index.gmi";
$GMI_DIR = $_SERVER['DOCUMENT_ROOT'];
$filePath = $GMI_DIR.$url;
$fileContent = @file_get_contents($filePath);
if (!$fileContent) {
http_response_code(404);
die("404: $filePath $GMI_DIR $url");
}
$fileLines = preg_split("/\n/", $fileContent);
ob_start();
echo(<<<EOL
<!DOCTYPE html>
<html lang="fr">
<head>
<title>HTM Gem</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<!-- link type="text/css" rel="StyleSheet" href="/htmgem.css" -->
<style>
EOL
);
include("htmgem.css");
echo(<<<EOL
</style>
</head>
<body>
EOL);
$mode = null;
foreach ($fileLines as $line) {
$reDo = true;
$line1 = substr($line, 0, 1);
$line2 = substr($line, 0, 2);
$line3 = substr($line, 0, 3);
while ($reDo) {
$reDo = false; # Change in modes need to redo one loop as they cant handle the case
if (is_null($mode)) {
if (empty($line)) {
print("<p>&nbsp;</p>\n");
} elseif ("#" == $line1) {
preg_match("/^(#{1,3})\s*(.*)/", $line, $sharps);
$h_level = strlen($sharps[1]);
$text = $sharps[2];
switch ($h_level) {
case 1: print("<h1>".$text."</h1>\n"); break;
case 2: print("<h2>".$text."</h2>\n"); break;
case 3: print("<h3>".$text."</h3>\n"); break;
}
} elseif ("=>" == $line2) {
preg_match("/^=>\s*([^\s]+)\s*(.*)$/", $line, $linkParts);
$url_link = $linkParts[1];
$url_label = $linkParts[2];
if (empty($url_label)) $url_label = $url_link;
print("<p><a href='".$url_link."'>".$url_label."</a></p>\n");
} elseif ("```" == $line3) {
$mode="pre";
print("<pre>\n");
} elseif (">" == $line1) {
$mode = "quote";
preg_match("/^>\s*(.*)$/", $line, $quoteParts);
$quote = $quoteParts[1];
print("<blockquote>\n");
if (empty($quote))
print("<p>&nbsp;</p>\n");
else
print("<p>".$quoteParts[1]."</p>\n");
} elseif ("*" == $line1) {
$mode = "ul";
$reDo = true;
print("<ul>\n");
} else {
print("<p>".$line."</p>\n");
}
} elseif ("pre"==$mode) {
if ("```" == $line3) {
$mode=null;
print("</pre>\n");
} else {
print($line."\n");
}
} elseif ("quote"==$mode) {
if (">" == $line1) {
preg_match("/^>\s*(.*)$/", $line, $quoteParts);
$quote = $quoteParts[1];
if (empty($quote))
print("<p>&nbsp;</p>\n");
else
print("<p>".$quote."</p>\n");
} else {
print("</blockquote>\n");
$mode=null;
$reDo=true;
}
} elseif ("ul"==$mode) {
if ("*" == $line1) {
preg_match("/^\*\s*(.*)$/", $line, $ulParts);
$li = $ulParts[1];
if (empty($li))
print("<li>&nbsp;\n");
else
print("<li>".$ulParts[1]."\n");
} else {
$mode = null;
print("</ul>\n");
}
}
}
}
ob_end_flush();
?>