457 lines
11 KiB
PHP
457 lines
11 KiB
PHP
<?php
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// Code-hosting website
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// ````````````````````
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// CONFIGURATION
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// `````````````
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define('BASEDIR', __DIR__.'\\');
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define('SITE_TITLE', 'code.ivysaur.me');
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define('PAGE_THUMB_W', 60);
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define('PAGE_THUMB_H', 60);
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define('INDEX_THUMB_W', 90);
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define('INDEX_THUMB_H', 32); // recommend a multiple of the jpg iDCT block size
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/**
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* Create a thumbnail of an image. It overscales, centers, and crops to fit the
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* target dimensions.
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*
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* @param string $src_file
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* @param string $dest_file Null to return an image handle
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* @param int $width
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* @param int $height
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* @return boolean
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*/
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function mkthumbnail($src_file, $dest_file, $width, $height) {
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list($src_width, $src_height) = getimagesize($src_file);
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$im = imagecreatefromstring(file_get_contents($src_file));
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$dest = imagecreatetruecolor($width, $height);
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imagefilledrectangle($dest, 0, 0, $width, $height, imagecolorallocate($dest, 0xFF, 0xFF, 0xFF));
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$scale = max( $width/$src_width, $height/$src_height ); // overscale + crop
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$box_w = $width/$scale;
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$box_h = $height/$scale;
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$box_xoff = floor(($src_width - $box_w)/2);
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$box_yoff = floor(($src_height - $box_h)/2);
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imagecopyresampled(
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$dest, $im,
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0, 0,
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$box_xoff, $box_yoff,
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$width, $height, $box_w, $box_h
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);
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imagedestroy($im);
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if (is_null($dest_file)) {
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return $dest;
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} else {
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return imagejpeg($dest, $dest_file);
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}
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}
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function mkspritesheet(array $handles, $dest_file, $width, $height) {
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$im = imagecreatetruecolor($width, $height * count($handles));
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for($i = 0, $e = count($handles); $i != $e; ++$i) {
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imagecopy($im, $handles[$i], 0, $i * $height, 0, 0, $width, $height);
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}
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if (is_null($dest_file)) {
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return $dest_file;
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} else {
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return imagejpeg($im, $dest_file);
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}
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}
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function fbytes($size, $suffixes='B|KiB|MiB|GiB|TiB') {
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$sxlist = explode('|', $suffixes);
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if ($size < 1024) {
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return $size.$sxlist[0];
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}
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while ($size > 1024 && count($sxlist) >= 2) {
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array_shift($sxlist);
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$size /= 1024;
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}
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return number_format($size, 2).array_shift($sxlist);
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}
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function str_ext($sz) {
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$dpos = strrpos($sz, '.');
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return substr($sz, $dpos+1);
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}
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function is_image($sz) {
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return in_array(strtolower(str_ext($sz)), ['jpg', 'png', 'jpeg']);
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}
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function hesc($sz) {
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return @htmlentities($sz, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
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}
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function text2html($sz) {
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$sectionFmt = function($sz) {
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$base = hesc($sz);
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$base = preg_replace('~^=+(.+)=+~m', '<strong>\\1</strong>', $base);
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$base = preg_replace('~(https?://[^ \\r\\n\\t]+)~i', '<a href="\\1">\\1</a>', $base);
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$btparts = explode('`', $base);
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if (count($btparts) > 1 && (count($btparts) % 2)) {
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for ($i = 1, $e = count($btparts); $i < $e; $i += 2) {
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$btparts[$i] = '<span class="code">'.$btparts[$i].'</span>';
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}
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$base = implode('', $btparts);
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}
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return nl2br($base);
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};
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$identity = function($sz) {
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return $sz;
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};
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$splitInside = function($begin, $end, $sz) {
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$parts = explode($begin, $sz);
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if (count($parts) == 1) return [$sz];
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$ret = [$parts[0]];
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for($i = 1, $e = count($parts); $i !== $e; ++$i) {
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$inner = explode($end, $parts[$i], 2);
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$ret = array_merge($ret, $inner);
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}
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return $ret;
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};
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$oddEven = function(array $parts, $odd, $even, $join='') {
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$ret = [];
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for($i = 0, $e = count($parts); $i != $e; ++$i) {
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$ret[] = ($i % 2) ? $odd($parts[$i]) : $even($parts[$i]);
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}
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return implode($join, $ret);
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};
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$htmlSections = $splitInside('<html>', '</html>', $sz);
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return $oddEven($htmlSections, $identity, $sectionFmt);
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}
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function array_decimate($array, $total, $partno) {
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$ct = 0;
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$ret = [];
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foreach($array as $k => $v) {
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if (++$ct % $total == ($partno - 1)) {
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$ret[$k] = $v;
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}
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}
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return $ret;
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}
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/**
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*
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*/
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class CProject {
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private $dir;
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public $projname;
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public $shortdesc = '(no description)';
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public $subtag = '';
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private $longdesc = '';
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private $images = array();
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private $downloads = array();
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public $tags = array();
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public $homeimage = null;
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public function __construct($dirname, $projname) {
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$this->dir = BASEDIR.'data/'.$dirname.'/';
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$this->projname = $projname;
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// Identify resources in folder
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$ls = scandir($this->dir);
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foreach($ls as $file) {
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if ($file[0] == '.') continue;
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if ($file == 'README.txt') {
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$this->longdesc = file_get_contents($this->dir.'README.txt');
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$matches = array();
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if (preg_match('~Written in ([^\\r\\n]+)~', $this->longdesc, $matches)) {
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$this->subtag = rtrim($matches[1], ' .');
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}
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if (preg_match('~Tags: ([^\\r\\n]+)~', $this->longdesc, $matches)) {
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$this->tags = array_map('trim', explode(',', $matches[1]));
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}
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$parts = explode("\n", $this->longdesc);
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$this->shortdesc = array_shift($parts);
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$this->shortdesc[0] = strtolower($this->shortdesc[0]); // cosmetic lowercase
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continue;
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}
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if (is_image($file)) {
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$this->images[] = $file;
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} else {
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$this->downloads[] = $file;
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}
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}
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natcasesort($this->downloads);
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$this->downloads = array_reverse($this->downloads);
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}
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public function genHomeImage() {
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if (count($this->images)) {
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$this->homeimage = mkthumbnail(
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$this->dir.$this->images[0], //BASEDIR.'wwwroot/srv/'.$this->projname.'_0.'.str_ext($this->images[0]),
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null, // raw handle
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INDEX_THUMB_W, INDEX_THUMB_H
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);
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}
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}
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public function write() {
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// Generate image thumbnails
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foreach($this->images as $idx => $image) {
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$outfile = BASEDIR.'wwwroot/srv/'.$this->projname.'_'.$idx;
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copy($this->dir.$image, $outfile.'.'.str_ext($image));
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mkthumbnail($outfile.'.'.str_ext($image), $outfile.'_thumb.jpg', PAGE_THUMB_W, PAGE_THUMB_H);
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}
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// Copy downloads to wwwroot
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foreach($this->downloads as $idx => $filename) {
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copy($this->dir.$filename, BASEDIR.'wwwroot/srv/'.$filename);
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}
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// Generate index page
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ob_start();
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$this->index();
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$idxfile = template($this->projname.' | '.SITE_TITLE, ob_get_clean());
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file_put_contents(BASEDIR.'wwwroot/'.$this->projname.'.html', $idxfile);
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}
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public function getClassAttr() {
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if (count($this->tags)) {
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return 'taggedWith-'.implode(' taggedWith-', $this->tags);
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} else {
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return '';
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}
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}
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public function index() {
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?>
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<h2><?=hesc($this->projname)?></h2>
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<div class="projinfo">
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<div class="projbody projbody_<?=(count($this->images) ? 'half' : 'full')?>w">
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<strong>ABOUT</strong>
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<p><?=text2html($this->longdesc)?></p>
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<?=file_get_contents(__DIR__.'/footer.htm')?>
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<?php if (count($this->downloads)) { ?>
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<strong>DOWNLOAD</strong>
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<ul>
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<?php foreach($this->downloads as $filename) { ?>
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<li>
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<a href="srv/<?=hesc(rawurlencode($filename))?>"><?=hesc($filename)?></a>
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<small>
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<?=hesc(fbytes(filesize(BASEDIR.'wwwroot/srv/'.$filename)))?>
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</small>
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</li>
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<?php } ?>
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</ul>
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<?php } ?>
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</div>
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<?php if (count($this->images)) { ?>
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<div class="projimg">
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<?php foreach($this->images as $idx => $origname) { ?>
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<a href="srv/<?=hesc(urlencode($this->projname))?>_<?=$idx?>.<?=str_ext($origname)?>"><img src="srv/<?=hesc(urlencode($this->projname))?>_<?=$idx?>_thumb.jpg" class="thumbimage"></a>
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<?php } ?>
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</div>
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<div style="clear:both;"></div>
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<?php } ?>
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</div>
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<?php
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}
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}
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function template($title, $content) {
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ob_start();
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" >
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<meta name="viewport" content="width=768px" >
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<link type="text/css" rel="stylesheet" href="normalize.css">
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<link type="text/css" rel="stylesheet" href="style.css">
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<script type="text/javascript" src="site.js"></script>
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<title><?=hesc($title)?></title>
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</head>
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<body>
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<div id="container">
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<div id="content">
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<?=file_get_contents(__DIR__.'/header.htm')?>
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<?=$content?>
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</div>
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</div>
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</body>
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</html>
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<?php
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return ob_get_clean();
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}
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function listprojects() {
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// List projects
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$ls = scandir(BASEDIR.'data');
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rsort($ls);
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$projects = array();
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foreach($ls as $dirname) {
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if ($dirname[0] == '.') continue;
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$matches = array();
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if (preg_match('~(?:\d+-)?(.+)~', $dirname, $matches)) {
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$projects[$dirname] = $matches[1];
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}
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}
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return $projects;
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}
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function buildprojects($id, $projects) {
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$count = 0;
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foreach($projects as $dirname => $projectname) {
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echo sprintf("@%1d [%3d/%3d] ".$projectname."...\n", $id, ++$count, count($projects));
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$pr = new CProject($dirname, $projectname);
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$pr->write();
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}
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}
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function buildcommon() {
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echo "@0 [ 0/ ?] Common files...\n";
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$projects = listprojects();
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// Build all projects
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$plist = array();
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$handles = array();
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$handle_lookup = array();
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foreach($projects as $dirname => $projectname) {
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$pr = new CProject($dirname, $projectname);
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$pr->genHomeImage(); // thumbnail
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$plist[] = $pr;
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if (is_null($pr->homeimage)) {
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$handle_lookup[$projectname] = null;
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} else {
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$handle_lookup[$projectname] = count($handles);
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$handles[] = $pr->homeimage;
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}
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}
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// Build homepage spritesheet
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mkspritesheet($handles, BASEDIR.'wwwroot/logos.jpg', INDEX_THUMB_W, INDEX_THUMB_H);
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array_map('imagedestroy', $handles); // free
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// Build index page
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ob_start();
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?>
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<?php if (file_exists(BASEDIR.'homepage_blurb.htm')) { ?>
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<!-- homepage blurb {{ -->
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<?=file_get_contents(BASEDIR.'homepage_blurb.htm')?>
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<!-- }} -->
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<?php } ?>
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<table class="projtable">
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<?php foreach ($plist as $pr) { ?>
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<tr class="<?=$pr->getClassAttr()?>">
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<td>
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<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[$pr->projname]*INDEX_THUMB_H).'px"></div>')?></a>
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</td>
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<td>
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<strong><?=hesc($pr->projname)?></strong>,
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<?=hesc($pr->shortdesc)?>
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<a href="<?=hesc(urlencode($pr->projname))?>.html">more...</a>
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<?php if (strlen($pr->subtag) || count($pr->tags)) { ?>
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<br>
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<small>
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<?=hesc($pr->subtag)?>
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<?php if (strlen($pr->subtag) && count($pr->tags)) { ?>
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::
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<?php } ?>
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<?php foreach($pr->tags as $tag) { ?>
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<a class="tag tag-link" data-tag="<?=hesc($tag)?>"><?=hesc($tag)?></a>
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<?php } ?>
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</small>
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<?php } ?>
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</td>
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</tr>
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<?php } ?>
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</table>
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<?php
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$index = template(SITE_TITLE, ob_get_clean());
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file_put_contents(BASEDIR.'wwwroot/index.html', $index);
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// Done
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}
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function main($args) {
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$total = $args[0];
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$pos = $args[1];
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if ($pos == 0) {
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buildcommon();
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} else {
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buildprojects($pos, array_decimate(listprojects(), $total, $pos));
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}
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}
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// Entry point
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//
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ini_set('display_errors', 'On');
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error_reporting(E_ALL);
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main(array_slice($_SERVER['argv'], 1));
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