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website/common/code/boost_pages.php
2016-06-02 09:04:44 +01:00

484 lines
18 KiB
PHP

<?php
# Copyright 2011, 2015 Daniel James
# 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)
class BoostPages {
var $root;
var $hash_file;
var $release_file;
var $pages = Array();
var $release_data = Array();
function __construct($root, $hash_file, $release_file) {
$this->root = $root;
$this->hash_file = "{$root}/{$hash_file}";
$this->release_file = "{$root}/{$release_file}";
if (is_file($this->release_file)) {
$this->release_data = json_decode(
file_get_contents($this->release_file), true);
if (is_null($this->release_data)) {
// Q: Exception? Fallback?
echo "Error decoding release data.\n";
exit(0);
}
}
if (is_file($this->hash_file)) {
foreach(BoostState::load($this->hash_file) as $qbk_file => $record) {
$this->pages[$qbk_file]
= new BoostPages_Page($qbk_file, $this->get_release_data($qbk_file), $record);
}
uasort($this->pages, function($x, $y) {
return $x->last_modified == $y->last_modified ? 0 :
($x->last_modified < $y->last_modified ? 1 : -1);
});
}
}
function save() {
BoostState::save(
array_map(function($page) { return $page->state(); }, $this->pages),
$this->hash_file);
}
function scan_location_for_new_quickbook_pages($dir_location, $src_file_glob, $type) {
foreach (glob("{$this->root}/{$src_file_glob}") as $qbk_file) {
assert(strpos($qbk_file, $this->root) === 0);
$qbk_file = substr($qbk_file, strlen($this->root) + 1);
$this->add_qbk_file($qbk_file, $dir_location, $type);
}
}
function get_release_data($qbk_file) {
foreach($this->release_data as $release) {
if ($release['release_notes'] === $qbk_file) {
return $release;
}
}
return null;
}
function add_qbk_file($qbk_file, $dir_location, $type) {
$release_data = $this->get_release_data($qbk_file);
// TODO: Hash in release data. Not doing it just yet as it will
// force a large rebuild.
$context = hash_init('sha256');
hash_update($context, json_encode($release_data));
hash_update($context, str_replace("\r\n", "\n",
file_get_contents("{$this->root}/{$qbk_file}")));
$qbk_hash = hash_final($context);
$record = null;
if (!isset($this->pages[$qbk_file])) {
$this->pages[$qbk_file] = $record = new BoostPages_Page($qbk_file, $release_data);
} else {
$record = $this->pages[$qbk_file];
if ($record->dir_location) {
assert($record->dir_location == $dir_location);
}
if ($record->qbk_hash == $qbk_hash) {
return;
}
if ($record->page_state != 'new') {
$record->page_state = 'changed';
}
}
$record->qbk_hash = $qbk_hash;
$record->dir_location = $dir_location;
$record->type = $type;
if (!in_array($record->type, array('release', 'page'))) {
throw new RuntimeException("Unknown record type: ".$record->type);
}
}
function convert_quickbook_pages($refresh = false) {
try {
BoostSuperProject::run_process('quickbook --version');
}
catch(ProcessError $e) {
echo "Problem running quickbook, will not convert quickbook articles.\n";
return;
}
$bb_parser = new BoostBookParser();
foreach ($this->pages as $page => $page_data) {
if ($page_data->page_state || $refresh) {
$xml_filename = tempnam(sys_get_temp_dir(), 'boost-qbk-');
try {
echo "Converting ", $page, ":\n";
BoostSuperProject::run_process("quickbook --output-file {$xml_filename} -I {$this->root}/feed {$this->root}/{$page}");
$page_data->load($bb_parser->parse($xml_filename), $refresh);
} catch (Exception $e) {
unlink($xml_filename);
throw $e;
}
unlink($xml_filename);
$template_vars = array(
'history_style' => '',
'full_title_xml' => $page_data->full_title_xml(),
'title_xml' => $page_data->title_xml,
'note_xml' => '',
'web_date' => $page_data->web_date(),
'documentation_para' => '',
'download_table' => $page_data->download_table(),
'description_xml' => $page_data->description_xml,
);
if ($page_data->type == 'release' && ($page_data->get_release_status() ?: 'dev') === 'dev') {
$template_vars['note_xml'] = <<<EOL
<div class="section-note"><p>Note: This release is
still under development. Please don't use this page as
a source of information, it's here for development
purposes only. Everything is subject to
change.</p></div>
EOL;
}
if ($page_data->array_get($page_data->release_data, 'documentation')) {
$template_vars['documentation_para'] = ' <p><a href="'.html_encode($page_data->array_get($page_data->release_data, 'documentation')).'">Documentation</a>';
}
if (strpos($page_data->location, 'users/history/') === 0) {
$template_vars['history_style'] = <<<EOL
<style type="text/css">
/*<![CDATA[*/
#content .news-description ul {
list-style: none;
}
#content .news-description ul ul {
list-style: circle;
}
/*]]>*/
</style>
EOL;
}
self::write_template(
"{$this->root}/{$page_data->location}",
__DIR__."/templates/entry.php",
$template_vars);
}
}
}
static function write_template($_location, $_template, $_vars) {
ob_start();
extract($_vars);
include($_template);
$r = ob_get_contents();
ob_end_clean();
file_put_contents($_location, $r);
}
}
class BoostPages_Page {
var $qbk_file;
var $release_data;
var $type, $page_state, $dir_location, $location;
var $id, $title_xml, $purpose_xml, $notice_xml, $notice_url;
var $last_modified, $pub_date;
var $documentation, $qbk_hash;
function __construct($qbk_file, $release_data = null, $attrs = array('page_state' => 'new')) {
$this->qbk_file = $qbk_file;
$this->type = $this->array_get($attrs, 'type');
$this->page_state = $this->array_get($attrs, 'page_state');
$this->dir_location = $this->array_get($attrs, 'dir_location');
$this->location = $this->array_get($attrs, 'location');
$this->id = $this->array_get($attrs, 'id');
$this->title_xml = $this->array_get($attrs, 'title');
$this->purpose_xml = $this->array_get($attrs, 'purpose');
$this->notice_xml = $this->array_get($attrs, 'notice');
$this->notice_url = $this->array_get($attrs, 'notice_url');
$this->last_modified = $this->array_get($attrs, 'last_modified');
$this->pub_date = $this->array_get($attrs, 'pub_date');
$this->qbk_hash = $this->array_get($attrs, 'qbk_hash');
$this->loaded = false;
$this->set_release_data($release_data);
}
function set_release_data($release_data) {
if ($release_data) {
assert($this->type === 'release');
if (!array_key_exists('release_status', $release_data)) {
$release_data['release_status'] = $this->pub_date == 'In Progress' ? 'dev' : 'released';
}
if (!in_array($release_data['release_status'], array('released', 'beta', 'dev'))) {
echo "Error: Unknown release status: {$this->array_get($release_data, 'release_status')}.\n";
exit(0);
}
}
$this->release_data = $release_data;
}
function state() {
return array(
'type' => $this->type,
'page_state' => $this->page_state,
'dir_location' => $this->dir_location,
'location' => $this->location,
'id' => $this->id,
'title' => $this->title_xml,
'purpose' => $this->purpose_xml,
'notice' => $this->notice_xml,
'notice_url' => $this->notice_url,
'last_modified' => $this->last_modified,
'pub_date' => $this->pub_date,
'qbk_hash' => $this->qbk_hash
);
}
function load($values, $refresh = false) {
assert($this->dir_location || $refresh);
assert(!$this->loaded);
$this->title_xml = BoostSiteTools::trim_lines($values['title_xhtml']);
$this->purpose_xml = BoostSiteTools::trim_lines($values['purpose_xhtml']);
$this->notice_xml = BoostSiteTools::trim_lines($values['notice_xhtml']);
$this->notice_url = $values['notice_url'];
$this->pub_date = $values['pub_date'];
$this->last_modified = $values['last_modified'];
$this->id = $values['id'];
if (!$this->id) {
$this->id = strtolower(preg_replace('@[\W]@', '_', $this->title_xml));
}
if ($this->dir_location) {
$this->location = $this->dir_location . $this->id . '.html';
$this->dir_location = null;
$this->page_state = null;
}
$this->loaded = true;
$doc_prefix = null;
if ($this->get_release_status() !== 'released' && $this->get_documentation()) {
$doc_prefix = rtrim($this->get_documentation(), '/');
$values['description_xhtml'] = BoostSiteTools::transform_links($values['description_xhtml'],
function ($x) use ($doc_prefix) {
return preg_match('@^/(?:libs/|doc/html/)@', $x)
? $doc_prefix.$x : $x;
});
}
$version = $this->array_get($this->release_data, 'version');
if ($version && $doc_prefix) {
$version = BoostVersion::from($version);
$final_documentation = "/doc/libs/{$version->dir()}";
$link_pattern = '@^'.preg_quote($final_documentation, '@').'/@';
$replace = "{$doc_prefix}/";
$values['description_xhtml'] = BoostSiteTools::transform_links($values['description_xhtml'],
function($x) use($link_pattern, $replace) {
return preg_replace($link_pattern, $replace, $x);
});
}
$this->description_xml = BoostSiteTools::trim_lines($values['description_xhtml']);
}
function full_title_xml() {
if ($this->type !== 'release') { return $this->title_xml; }
switch($this->get_release_status()) {
case 'released':
return $this->title_xml;
case 'beta':
return "{$this->title_xml} beta";
default:
return "{$this->title_xml} - work in progress";
}
}
function web_date() {
if ($this->pub_date == 'In Progress') {
return $this->pub_date;
} else {
return gmdate('F jS, Y H:i', $this->last_modified).' GMT';
}
}
function download_table_data() {
if (!$this->release_data) { return null; }
$downloads = $this->array_get($this->release_data, 'downloads');
$signature = $this->array_get($this->release_data, 'signature');
$third_party = $this->array_get($this->release_data, 'third_party');
if (!$downloads && !$third_party) { return $this->get_download_page(); }
$tabled_downloads = array();
foreach ($downloads as $download) {
// Q: Good default here?
$line_endings = $this->array_get($download, 'line_endings', 'unix');
unset($download['line_endings']);
$tabled_downloads[$line_endings][] = $download;
}
$result = array(
'downloads' => $tabled_downloads
);
if ($signature) { $result['signature'] = $signature; }
if ($third_party) { $result['third_party'] = $third_party; }
return $result;
}
function download_table() {
// TODO: Removing this temporarily so I can add the download links
// without putting the release notes on the front page.
// Might remove this code permananently, I'm not sure if it
// does any good.
//if ($this->type == 'release' && (!$this->release_status || $this->release_status === 'dev')) {
// return '';
//}
$downloads = $this->download_table_data();
if (is_array($downloads)) {
# Print the download table.
$hash_column = false;
foreach($downloads['downloads'] as $x) {
foreach($x as $y) {
if (array_key_exists('sha256', $y)) {
$hash_column = true;
}
}
}
$output = '';
$output .= ' <table class="download-table">';
if ($this->get_release_status() === 'beta') {
$output .= '<caption>Beta Downloads</caption>';
} else {
$output .= '<caption>Downloads</caption>';
}
$output .= '<tr><th scope="col">Platform</th><th scope="col">File</th>';
if ($hash_column) {
$output .= '<th scope="col">SHA256 Hash</th>';
}
$output .= '</tr>';
foreach (array('unix', 'windows') as $platform) {
$platform_downloads = $downloads['downloads'][$platform];
$output .= "\n";
$output .= '<tr><th scope="row"';
if (count($platform_downloads) > 1) {
$output .= ' rowspan="'.count($platform_downloads).'"';
}
$output .= '>'.html_encode($platform).'</th>';
$first = true;
foreach ($platform_downloads as $download) {
if (!$first) { $output .= '<tr>'; }
$first = false;
$file_name = basename(parse_url($download['url'], PHP_URL_PATH));
$output .= '<td><a href="';
if (strpos($download['url'], 'sourceforge') !== false) {
// TODO: I used to add '/download' to source links,
// but that doesn't seem to be needed any more...
//$output .= html_encode("{$download['url']}/download");
$output .= html_encode($download['url']);
}
else {
$output .= html_encode($download['url']);
}
$output .= '">';
$output .= html_encode($file_name);
$output .= '</a></td>';
if ($hash_column) {
$output .= '<td>';
$output .= html_encode($this->array_get($download, 'sha256'));
$output .= '</td>';
}
$output .= '</tr>';
}
}
$output .= '</table>';
if (array_key_exists('signature', $downloads)) {
$output .= "<p><a href='/".html_encode($downloads['signature']['location']).
"'>List of checksums</a> signed by ".
"<a href='".html_encode($downloads['signature']['key'])."'>".
html_encode($downloads['signature']['name'])."</a></p>\n";
}
if (array_key_exists('third_party', $downloads)) {
$output .= "\n";
$output .= "<h3>Third Party Downloads</h3>\n";
$output .= "<ul>\n";
foreach($downloads['third_party'] as $download) {
$output .= '<li>';
$output .= '<a href="'.html_encode($download['url']).'">';
$output .= html_encode($download['title']);
$output .= '</a>';
$output .= "</li>\n";
}
$output .= "</ul>\n";
}
return $output;
} else if (is_string($downloads)) {
# If the link didn't match the normal version number pattern
# then just use the old fashioned link to sourceforge. */
$output = ' <p><span class="news-download"><a href="'.
html_encode($downloads).'">';
if ($this->get_release_status() == 'beta') {
$output .= 'Download this beta release.';
} else {
$output .= 'Download this release.';
}
$output .= '</a></span></p>';
return $output;
}
else {
return '';
}
}
function is_published($state = null) {
if ($this->page_state == 'new') {
return false;
}
if (!is_null($state) && $this->get_release_status() !== $state) {
return false;
}
return true;
}
function get_release_status() {
return $this->array_get($this->release_data, 'release_status');
}
function get_documentation() {
return $this->array_get($this->release_data, 'documentation');
}
function get_download_page() {
return $this->array_get($this->release_data, 'download_page');
}
function array_get($array, $key, $default = null) {
return isset($array[$key]) ? $array[$key] : $default;
}
}