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codesite/rebuild.php
2015-04-05 16:22:46 +12:00

495 lines
12 KiB
PHP

<?php
// Code-hosting website
// ````````````````````
/**
* Create a thumbnail of an image. It overscales, centers, and crops to fit the
* target dimensions.
*
* @param string $src_file
* @param string $dest_file Null to return an image handle
* @param int $width
* @param int $height
* @return boolean
*/
function mkthumbnail($src_file, $dest_file, $width, $height) {
list($src_width, $src_height) = getimagesize($src_file);
$im = imagecreatefromstring(file_get_contents($src_file));
$dest = imagecreatetruecolor($width, $height);
imagefilledrectangle($dest, 0, 0, $width, $height, imagecolorallocate($dest, 0xFF, 0xFF, 0xFF));
$scale = max( $width/$src_width, $height/$src_height ); // overscale + crop
$box_w = $width/$scale;
$box_h = $height/$scale;
$box_xoff = floor(($src_width - $box_w)/2);
$box_yoff = floor(($src_height - $box_h)/2);
imagecopyresampled(
$dest, $im,
0, 0,
$box_xoff, $box_yoff,
$width, $height, $box_w, $box_h
);
imagedestroy($im);
if (is_null($dest_file)) {
return $dest;
} else {
return imagejpeg($dest, $dest_file);
}
}
function mkspritesheet(array $handles, $dest_file, $width, $height) {
$im = imagecreatetruecolor($width, $height * count($handles));
for($i = 0, $e = count($handles); $i != $e; ++$i) {
imagecopy($im, $handles[$i], 0, $i * $height, 0, 0, $width, $height);
}
if (is_null($dest_file)) {
return $dest_file;
} else {
return imagejpeg($im, $dest_file);
}
}
function fbytes($size, $suffixes='B|KiB|MiB|GiB|TiB') {
$sxlist = explode('|', $suffixes);
if ($size < 1024) {
return $size.$sxlist[0];
}
while ($size > 1024 && count($sxlist) >= 2) {
array_shift($sxlist);
$size /= 1024;
}
return number_format($size, 2).array_shift($sxlist);
}
function str_ext($sz) {
$dpos = strrpos($sz, '.');
return substr($sz, $dpos+1);
}
function is_image($sz) {
return in_array(strtolower(str_ext($sz)), ['jpg', 'png', 'jpeg']);
}
function hesc($sz) {
return @htmlentities($sz, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
}
function text2html($sz) {
$identity = function($sz) {
return $sz;
};
$splitInside = function($begin, $end, $sz) {
$parts = explode($begin, $sz);
if (count($parts) == 1) return [$sz];
$ret = [$parts[0]];
for($i = 1, $e = count($parts); $i !== $e; ++$i) {
$inner = explode($end, $parts[$i], 2);
$ret = array_merge($ret, $inner);
}
return $ret;
};
$oddEven = function(array $parts, $odd, $even, $join='') {
$ret = [];
for($i = 0, $e = count($parts); $i != $e; ++$i) {
$ret[] = ($i % 2) ? $odd($parts[$i]) : $even($parts[$i]);
}
return implode($join, $ret);
};
$sectionFmt = function($sz) use($oddEven, $identity) {
$base = hesc($sz);
$base = preg_replace('~^=+(.+)=+~m', '<strong>\\1</strong>', $base);
$base = preg_replace('~(https?://[^ \\r\\n\\t]+)~i', '<a href="\\1">\\1</a>', $base);
$btparts = explode('`', $base);
if (count($btparts) > 1 && (count($btparts) % 2)) {
for ($i = 1, $e = count($btparts); $i < $e; $i += 2) {
$btparts[$i] = '<span class="code">'.$btparts[$i].'</span>';
}
}
return $oddEven($btparts, $identity, 'nl2br');
};
$htmlSections = $splitInside('<html>', '</html>', $sz);
return $oddEven($htmlSections, $identity, $sectionFmt);
}
function array_decimate($array, $total, $partno) {
$ct = 0;
$ret = [];
foreach($array as $k => $v) {
if (++$ct % $total == ($partno - 1)) {
$ret[$k] = $v;
}
}
return $ret;
}
/**
*
*/
class CProject {
private $dir;
public $projname;
public $shortdesc = '(no description)';
public $subtag = '';
public $lastupdate = 0;
private $longdesc = '';
private $images = array();
private $downloads = array();
public $tags = array();
public $homeimage = null;
public function __construct($dirname, $projname) {
$this->dir = BASEDIR.'data/'.$dirname.'/';
$this->projname = $projname;
// Identify resources in folder
$ls = scandir($this->dir);
foreach($ls as $file) {
if ($file[0] == '.') continue;
if ($file == 'README.txt') {
$this->lastupdate = max($this->lastupdate, filectime($this->dir.$file)); // don't count README updates
$this->longdesc = file_get_contents($this->dir.'README.txt');
$matches = array();
if (preg_match('~Written in ([^\\r\\n]+)~', $this->longdesc, $matches)) {
$this->subtag = rtrim($matches[1], ' .');
}
if (preg_match('~Tags: ([^\\r\\n]+)~', $this->longdesc, $matches)) {
$this->tags = array_map('trim', explode(',', $matches[1]));
}
$parts = explode("\n", $this->longdesc);
$this->shortdesc = array_shift($parts);
$this->shortdesc[0] = strtolower($this->shortdesc[0]); // cosmetic lowercase
continue;
}
$this->lastupdate = max(
$this->lastupdate,
filemtime($this->dir.$file),
filectime($this->dir.$file)
);
if (is_image($file)) {
$this->images[] = $file;
} else {
$this->downloads[] = $file;
}
}
natcasesort($this->downloads);
$this->downloads = array_reverse($this->downloads);
}
public function genHomeImage() {
if (count($this->images)) {
$this->homeimage = mkthumbnail(
$this->dir.$this->images[0],
null, // raw handle
INDEX_THUMB_W, INDEX_THUMB_H
);
}
}
public function write() {
// Generate image thumbnails
foreach($this->images as $idx => $image) {
$outfile = BASEDIR.'wwwroot/srv/'.$this->projname.'_'.$idx;
copy($this->dir.$image, $outfile.'.'.str_ext($image));
mkthumbnail($outfile.'.'.str_ext($image), $outfile.'_thumb.jpg', PAGE_THUMB_W, PAGE_THUMB_H);
}
// Copy downloads to wwwroot
foreach($this->downloads as $idx => $filename) {
copy($this->dir.$filename, BASEDIR.'wwwroot/srv/'.$filename);
}
// Generate index page
ob_start();
$this->index();
$idxfile = template($this->projname.' | '.SITE_TITLE, ob_get_clean());
file_put_contents(BASEDIR.'wwwroot/'.$this->projname.'.html', $idxfile);
}
public function getClassAttr() {
if (count($this->tags)) {
return 'taggedWith-'.implode(' taggedWith-', $this->tags);
} else {
return '';
}
}
public function index() {
?>
<h2><?=hesc($this->projname)?></h2>
<div class="projinfo">
<div class="projbody projbody_<?=(count($this->images) ? 'half' : 'full')?>w">
<strong>ABOUT</strong>
<p><?=text2html($this->longdesc)?></p>
<?=file_get_contents(BASEDIR.'/footer.htm')?>
<?php if (count($this->downloads)) { ?>
<strong>DOWNLOAD</strong>
<ul>
<?php foreach($this->downloads as $filename) { ?>
<li>
<a href="srv/<?=hesc(rawurlencode($filename))?>"><?=hesc($filename)?></a>
<small>
<?=hesc(fbytes(filesize(BASEDIR.'wwwroot/srv/'.$filename)))?>
</small>
</li>
<?php } ?>
</ul>
<?php } ?>
</div>
<?php if (count($this->images)) { ?>
<div class="projimg">
<?php foreach($this->images as $idx => $origname) { ?>
<a href="srv/<?=hesc(urlencode($this->projname))?>_<?=$idx?>.<?=str_ext($origname)?>"><img src="srv/<?=hesc(urlencode($this->projname))?>_<?=$idx?>_thumb.jpg" class="thumbimage"></a>
<?php } ?>
</div>
<div style="clear:both;"></div>
<?php } ?>
</div>
<?php
}
}
function template($title, $content) {
ob_start();
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" >
<meta name="viewport" content="width=768px" >
<link type="text/css" rel="stylesheet" href="normalize.css">
<link type="text/css" rel="stylesheet" href="style.css">
<script type="text/javascript" src="site.js"></script>
<title><?=hesc($title)?></title>
</head>
<body>
<div id="container">
<div id="content">
<?=file_get_contents(BASEDIR.'/header.htm')?>
<?=$content?>
</div>
</div>
</body>
</html>
<?php
return ob_get_clean();
}
function listprojects() {
// List projects
$ls = scandir(BASEDIR.'data');
rsort($ls);
$projects = array();
foreach($ls as $dirname) {
if ($dirname[0] == '.') continue;
$matches = array();
if (preg_match('~(?:\d+-)?(.+)~', $dirname, $matches)) {
$projects[$dirname] = $matches[1];
}
}
return $projects;
}
function buildprojects($id, $projects) {
$count = 0;
foreach($projects as $dirname => $projectname) {
echo sprintf("@%1d [%3d/%3d] ".$projectname."...\n", $id, ++$count, count($projects));
$pr = new CProject($dirname, $projectname);
$pr->write();
}
}
function buildcommon() {
echo "@0 [ 0/ ?] Common files...\n";
$projects = listprojects();
// Build all projects
$plist = array();
$handles = array();
$handle_lookup = array();
$alphasort = [];
foreach($projects as $dirname => $projectname) {
$pr = new CProject($dirname, $projectname);
$pr->genHomeImage(); // thumbnail
$plist[] = $pr;
if (is_null($pr->homeimage)) {
$handle_lookup[$projectname] = null;
} else {
$handle_lookup[$projectname] = count($handles);
$handles[] = $pr->homeimage;
}
$alphasort[] = [$pr->projname, count($plist)-1];
}
usort($alphasort, function($a, $b) {
return strcasecmp($a[0], $b[0]);
});
$alphaidx = [];
foreach($alphasort as $a) {
$alphaidx[ $a[1] ] = count($alphaidx);
}
// Build homepage spritesheet
mkspritesheet($handles, BASEDIR.'wwwroot/logos.jpg', INDEX_THUMB_W, INDEX_THUMB_H);
array_map('imagedestroy', $handles); // free
// Build index page
ob_start();
?>
<?php if (file_exists(BASEDIR.'homepage_blurb.htm')) { ?>
<!-- homepage blurb {{ -->
<?=file_get_contents(BASEDIR.'homepage_blurb.htm')?>
<!-- }} -->
<?php } ?>
<table id="projtable-main" class="projtable">
<?php foreach ($plist as $i => $pr) { ?>
<tr class="<?=$pr->getClassAttr()?>"
data-sort-mt="-<?=$pr->lastupdate?>"
data-sort-ct="<?=$i?>"
data-sort-al="<?=$alphaidx[$i]?>"
>
<td>
<a href="<?=hesc(urlencode($pr->projname))?>.html"><?=(is_null($handle_lookup[$pr->projname]) ? '<div class="no-image"></div>' : '<div class="homeimage homeimage-sprite" style="background-position:0 -'.($handle_lookup[$pr->projname]*INDEX_THUMB_H).'px"></div>')?></a>
</td>
<td>
<strong><?=hesc($pr->projname)?></strong>,
<?=hesc($pr->shortdesc)?>
<a href="<?=hesc(urlencode($pr->projname))?>.html">more...</a>
<?php if (strlen($pr->subtag) || count($pr->tags)) { ?>
<br>
<small>
<?=hesc($pr->subtag)?>
<?php if (strlen($pr->subtag) && count($pr->tags)) { ?>
::
<?php } ?>
<?php foreach($pr->tags as $tag) { ?>
<a class="tag tag-link" data-tag="<?=hesc($tag)?>"><?=hesc($tag)?></a>
<?php } ?>
</small>
<?php } ?>
</td>
</tr>
<?php } ?>
</table>
<?php
$index = template(SITE_TITLE, ob_get_clean());
file_put_contents(BASEDIR.'wwwroot/index.html', $index);
// Done
}
function main($args) {
$basedir = './';
$total = $args[0];
$pos = $args[1];
// Parse configuration
$config = @parse_ini_file(
$basedir . 'config.ini',
true,
INI_SCANNER_RAW
);
if ($config === false) {
die("[FATAL] Couldn't load '${basedir}/config.ini'!\n");
}
define('BASEDIR', $basedir);
define('SITE_TITLE', trim($config['codesite']['title']));
define('PAGE_THUMB_W', intval($config['codesite']['page_thumb_w']));
define('PAGE_THUMB_H', intval($config['codesite']['page_thumb_h']));
define('INDEX_THUMB_W', intval($config['codesite']['index_thumb_w']));
define('INDEX_THUMB_H', intval($config['codesite']['index_thumb_h']));
// Perform build tasks
if ($pos == 0) {
buildcommon();
} else {
buildprojects($pos, array_decimate(listprojects(), $total, $pos));
}
}
// Entry point
//
ini_set('display_errors', 'On');
error_reporting(E_ALL);
main(array_slice($_SERVER['argv'], 1));