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https://github.com/boostorg/website.git
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266 lines
9.1 KiB
PHP
Executable File
266 lines
9.1 KiB
PHP
Executable File
<?php
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# Copyright 2007 Rene Rivera
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# Copyright 2011,2015 Daniel James
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
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require_once(__DIR__.'/url.php');
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class BoostSiteTools {
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var $root;
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function __construct($path) {
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$this->root = $path;
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BoostSiteTools_Upgrades::upgrade($this);
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}
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function load_pages() {
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return new BoostPages($this->root, "generated/state/feed-pages.txt");
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}
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function refresh_quickbook() {
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$this->update_quickbook(true);
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}
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function update_quickbook($refresh = false) {
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$pages = $this->load_pages();
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if (!$refresh) {
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$this->scan_for_new_quickbook_pages($pages);
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}
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// Translate new and changed pages
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$pages->convert_quickbook_pages($refresh);
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// Generate 'Index' pages
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$downloads = array();
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foreach (BoostPageSettings::$downloads as $x) {
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$entries = $pages->match_pages($x['matches'], null, true);
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if (isset($x['count'])) {
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$entries = array_slice($entries, 0, $x['count']);
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}
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if ($entries) {
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$y = array('anchor' => $x['anchor'], 'entries' => $entries);
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if (count($entries) == 1) {
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$y['label'] = $x['single'];
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} else {
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$y['label'] = $x['plural'];
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}
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$downloads[] = $y;
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}
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}
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$index_page_variables = compact('pages', 'downloads');
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foreach (BoostPageSettings::$index_pages as $index_page => $template) {
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BoostPages::write_template(
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"{$this->root}/{$index_page}",
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__DIR__.'/'.$template,
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$index_page_variables);
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}
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# Generate RSS feeds
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if (!$refresh) {
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$rss_items = BoostState::load(
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"{$this->root}/generated/state/rss-items.txt");
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foreach (BoostPageSettings::$feeds as $feed_file => $feed_data) {
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$rss_feed = $this->rss_prefix($feed_file, $feed_data);
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$feed_pages = $pages->match_pages($feed_data['matches']);
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if (isset($feed_data['count'])) {
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$feed_pages = array_slice($feed_pages, 0, $feed_data['count']);
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}
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foreach ($feed_pages as $qbk_page) {
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$item_xml = null;
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if ($qbk_page->loaded) {
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$item = $this->generate_rss_item($qbk_page->qbk_file, $qbk_page);
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$item['item'] = self::fragment_to_string($item['item']);
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$rss_items[$qbk_page->qbk_file] = $item;
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BoostState::save($rss_items, "{$this->root}/generated/state/rss-items.txt");
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$rss_feed .= $item['item'];
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} else if (isset($rss_items[$qbk_page->qbk_file])) {
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$rss_feed .= $rss_items[$qbk_page->qbk_file]['item'];
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} else {
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echo "Missing entry for {$qbk_page->qbk_file}\n";
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}
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}
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$rss_feed .= $this->rss_postfix($feed_file, $feed_data);
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$output_file = fopen("{$this->root}/{$feed_file}", 'wb');
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fwrite($output_file, $rss_feed);
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fclose($output_file);
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}
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}
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$pages->save();
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}
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function scan_for_new_quickbook_pages($pages) {
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foreach (BoostPageSettings::$pages as $location => $pages_data) {
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foreach ($pages_data['src_files'] as $src_file_pattern) {
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foreach (glob("{$this->root}/{$src_file_pattern}") as $qbk_file) {
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assert(strpos($qbk_file, $this->root) === 0);
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$qbk_file = substr($qbk_file, strlen($this->root) + 1);
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echo $qbk_file, "\n";
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$pages->add_qbk_file($qbk_file, $location, $pages_data);
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}
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}
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}
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$pages->save();
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}
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################################################################################
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function rss_prefix($feed_file, $details) {
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$title = $this->encode_for_rss($details['title']);
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$link = $this->encode_for_rss("http://www.boost.org/".$details['link']);
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$description = '';
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$language = 'en-us';
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$copyright = 'Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)';
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return <<<EOL
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<?xml version="1.0" encoding="UTF-8"?>
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<rss version="2.0" xmlns:boostbook="urn:boost.org:boostbook">
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<channel>
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<generator>Boost Website Site Tools</generator>
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<title>{$title}</title>
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<link>{$link}</link>
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<description>{$description}</description>
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<language>{$language}</language>
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<copyright>{$copyright}</copyright>
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EOL;
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}
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function rss_postfix($feed_file, $details) {
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return "\n </channel>\n</rss>\n";
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}
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function generate_rss_item($qbk_file, $page) {
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assert($page->loaded);
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$rss_xml = new DOMDocument();
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$rss_xml->loadXML(<<<EOL
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<?xml version="1.0" encoding="UTF-8"?>
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<rss version="2.0" xmlns:boostbook="urn:boost.org:boostbook">
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</rss>
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EOL
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);
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$page_link = "http://www.boost.org/{$page->location}";
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$item = $rss_xml->createElement('item');
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$node = new DOMDocument();
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$node->loadXML('<title>'.$this->encode_for_rss($page->title_xml).'</title>');
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$item->appendChild($rss_xml->importNode($node->documentElement, true));
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$node = new DOMDocument();
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$node->loadXML('<link>'.$this->encode_for_rss($page_link).'</link>');
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$item->appendChild($rss_xml->importNode($node->documentElement, true));
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$node = new DOMDocument();
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$node->loadXML('<guid>'.$this->encode_for_rss($page_link).'</guid>');
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$item->appendChild($rss_xml->importNode($node->documentElement, true));
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# TODO: Convert date format?
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$node = $rss_xml->createElement('pubDate');
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$node->appendChild($rss_xml->createTextNode($page->pub_date));
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$item->appendChild($node);
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$node = $rss_xml->createElement('description');
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# Placing the description in a root element to make it well formed xml->
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$description = new DOMDocument();
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$description->loadXML('<x>'.$this->encode_for_rss($page->description_xml).'</x>');
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BoostSiteTools::base_links($description, $page_link);
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foreach($description->firstChild->childNodes as $child) {
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$node->appendChild($rss_xml->createTextNode(
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$description->saveXML($child)));
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}
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$item->appendChild($node);
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return(array(
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'item' => $item,
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'quickbook' => $qbk_file,
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'last_modified' => $page->last_modified,
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));
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}
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function encode_for_rss($x) {
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return $x;
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}
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static function fragment_to_string($x) {
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if ($x) {
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return preg_replace('@ +$@m', '', $x->ownerDocument->saveXML($x));
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} else {
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return null;
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}
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}
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static function base_links($node, $base_link) {
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self::transform_links($node, function($x) use ($base_link) {
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return resolve_url($x, $base_link);
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});
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}
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static function transform_links($node, $func) {
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self::transform_links_impl($node, 'a', 'href', $func);
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self::transform_links_impl($node, 'img', 'src', $func);
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}
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static function transform_links_impl($node, $tag_name, $attribute, $func) {
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if ($node->nodeType == XML_ELEMENT_NODE ||
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$node->nodeType == XML_DOCUMENT_NODE)
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{
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foreach ($node->getElementsByTagName($tag_name) as $x) {
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$x->setAttribute($attribute,
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call_user_func($func, $x->getAttribute($attribute)));
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}
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}
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else if ($node->nodeType == XML_DOCUMENT_FRAG_NODE) {
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foreach ($node->childNodes as $x) {
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self::transform_links_impl($x, $tag_name, $attribute, $func);
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}
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}
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}
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}
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class BoostSiteTools_Upgrades {
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static $versions = [
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1 => 'BoostSiteTools_Upgrades::old_upgrade',
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2 => 'BoostSiteTools_Upgrades::old_upgrade',
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3 => 'BoostSiteTools_Upgrades::old_upgrade',
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4 => 'BoostSiteTools_Upgrades::old_upgrade',
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];
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static function upgrade($site_tools) {
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$filename = $site_tools->root.'/generated/state/version.txt';
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$file_contents = trim(file_get_contents($filename));
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if (!preg_match('@^[0-9]+$@', $file_contents)) {
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throw new RuntimeException("Error reading state version");
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}
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$current_version = intval($file_contents);
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foreach (self::$versions as $version => $upgrade_function) {
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if ($current_version < $version) {
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call_user_func($upgrade_function, $site_tools);
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$current_version = $version;
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file_put_contents($filename, $current_version);
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}
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}
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}
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static function old_upgrade() {
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throw new RuntimeException("Old unsupported data version.");
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}
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}
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