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c1ec0057eb
Was just creating noise. Possibly should just let libraries use miscellaneous as they want.
754 lines
24 KiB
PHP
754 lines
24 KiB
PHP
<?php
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/*
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Copyright 2006 Redshift Software, Inc.
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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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*/
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// Change this when developing.
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define('USE_SERIALIZED_INFO', true);
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require_once(dirname(__FILE__) . '/url.php');
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/**
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* Stores the details of all the boost libraries organised by version.
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*
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* This is pretty awkward as there are a few different representions here
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* and it's quite easy to get confused between them. Maybe needs to be split
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* up into a couple of different classes.
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*/
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class BoostLibraries
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{
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private $categories = array();
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private $db = array();
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/**
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*
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*/
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static function load()
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{
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return USE_SERIALIZED_INFO ?
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unserialize(file_get_contents(dirname(__FILE__) . '/../../generated/libraries.txt')) :
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BoostLibraries::from_xml_file(dirname(__FILE__) . '/../../doc/libraries.xml');
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}
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/**
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* Read library details from an xml file.
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*
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* @param string $file_path
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* @return \BoostVersion
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*/
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static function from_xml_file($file_path)
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{
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return self::from_xml(file_get_contents($file_path));
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}
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/**
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* Read library details from an xml string
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*
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* @param string $xml
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* @return \BoostLibraries
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*/
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static function from_xml($xml)
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{
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$parser = xml_parser_create();
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xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
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xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);
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if (!xml_parse_into_struct($parser, $xml, $values)) {
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die("Error parsing XML");
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}
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xml_parser_free($parser);
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##print '<!-- '; print_r($values); print ' -->';
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$categories = array();
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$category = NULL;
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$libs = array();
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$lib = NULL;
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foreach ( $values as $key => $val )
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{
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if ($val['tag'] == 'boost' || $val['tag'] == 'categories')
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{
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// Ignore boost tags.
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}
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else if ($val['tag'] == 'category' && $val['type'] == 'open' && !$lib && !$category)
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{
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$category = isset($val['attributes']) ? $val['attributes'] : array();
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}
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else if($val['tag'] == 'title' && $category)
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{
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$category['title'] = isset($val['value']) ? trim($val['value']) : '';
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}
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else if ($val['tag'] == 'category' && $val['type'] == 'close' && $category)
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{
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$categories[$category['name']] = $category;
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$category = NULL;
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}
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else if ($val['tag'] == 'library' && $val['type'] == 'open')
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{
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$lib = array();
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}
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else if ($val['type'] == 'complete')
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{
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switch ($val['tag'])
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{
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case 'key':
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case 'name':
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case 'description':
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case 'documentation':
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case 'status':
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case 'module':
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{
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if (isset($val['value'])) { $lib[$val['tag']] = trim($val['value']); }
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else { $lib[$val['tag']] = ''; }
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}
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break;
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case 'boost-version':
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case 'update-version':
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{
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if (isset($val['value'])) { $lib[$val['tag']] = BoostVersion::from($val['value']); }
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else { $lib[$val['tag']] = ''; }
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}
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break;
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case 'std-proposal':
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case 'std-tr1':
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{
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$value = isset($val['value']) ? trim($val['value']) : false;
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if($value && $value != 'true' && $value != 'false') {
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echo 'Invalid value for ',html_encode($val['tag']),
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': ', $value, "\n";
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exit(0);
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}
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$lib[$val['tag']] = ($value == 'true');
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}
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break;
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case 'authors':
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case 'maintainers':
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case 'category':
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case 'std':
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{
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if(isset($val['value'])) {
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$name = trim($val['value']);
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$lib[$val['tag']][] = $name;
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}
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}
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break;
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default:
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echo 'Invalid tag: ', html_encode($val['tag']), "\n";
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exit(0);
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}
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}
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else if ($val['tag'] == 'library' && $val['type'] == 'close' && $lib)
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{
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$libs[] = $lib;
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$lib = NULL;
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}
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else
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{
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echo 'Invalid tag: ', html_encode($val['tag']), "\n";
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exit(0);
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}
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}
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return new self($libs, $categories);
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}
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static function from_json($json)
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{
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$categories = array();
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$libs = array();
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$json = trim($json);
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$import = json_decode($json, true);
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if (!$import) {
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throw new library_decode_exception("Error decoding json.", $json);
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}
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if ($json[0] == '{') {
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if (isset($import['categories']) || isset($import['libraries'])) {
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if (isset($import['categories'])) {
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$categories = $import['categories'];
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}
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if (isset($import['libraries'])) {
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$libs = $import['libraries'];
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}
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}
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else {
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$libs = array($import);
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}
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}
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else {
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$libs = $import;
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}
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return new self($libs, $categories);
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}
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/**
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* Create from an array of library details.
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*
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* This is pretty hacky, I only added for a one-off function. If you want
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* to make use of it, it could probably do with some sanity checks to
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* make sure that the libraries are valid.
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*
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* @param array $libraries
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* @return \BoostLibraries
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*/
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static function from_array($libs, $version = null)
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{
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return new self($libs, array(), $version);
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}
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/**
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*
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* @param array $libs Array of lib details, can contain multiple historical
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* entries, using 'update-version' to indicate their historical order.
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* @param array $categories
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* @param array $version Optional update version to use when version info
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* is missing.
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*/
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private function __construct(array $flat_libs, array $categories,
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$version = null)
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{
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$this->db = array();
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$this->categories = $categories;
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foreach ($flat_libs as $details) {
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$update_version =
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isset($details['update-version']) ? $details['update-version'] : (
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$version ? $version : (
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isset($details['boost-version']) ? $details['boost-version']
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: null));
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$update_version = $update_version ?
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BoostVersion::from($update_version) :
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BoostVersion::unreleased();
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if (!$update_version->is_release()) {
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throw new BoostLibraries_exception(
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"No version info for {$details['key']}");
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}
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if (isset($details['update-version'])) {
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unset($details['update-version']);
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}
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$lib = new BoostLibrary($details);
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$lib->update_version = $update_version;
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$this->db[$details['key']][(string) $update_version] = $lib;
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}
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ksort($this->db);
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foreach (array_keys($this->db) as $key) {
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$this->sort_versions($key);
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}
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}
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/**
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* Convert authors and maintainers to strings.
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* This is kind of rubbish, but I want authors and maintainers to be
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* arrays in the repo metadata, but strings on the website. So call this
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* when creating the website file.
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*/
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public function squash_name_arrays() {
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foreach ($this->db as $key => &$libs) {
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foreach ($libs as $version => $lib) {
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$lib->squash_name_arrays();
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}
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}
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}
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/**
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* @param array|string $names
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* @return string
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*/
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private function names_to_string($names) {
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if (is_array($names)) {
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$last_name = array_pop($names);
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return $names ?
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implode(', ', $names)." and {$last_name}" :
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$last_name;
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}
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else {
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return $names;
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}
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}
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/**
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* Update the libraries from an array of BoostLibrary.
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*
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* @param array $update
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* @throws BoostLibraries_exception
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*/
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public function update($update_version = null, $update = null) {
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$this->update_start($update_version);
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if ($update) { $this->update_modules($update_version, $update); }
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$this->update_finish($update_version);
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}
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public function update_start($update_version = null) {
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if ($update_version) {
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$update_version = BoostVersion::from($update_version);
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// TODO: Support for deleted libraries:
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// $deleted_library = ????
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// foreach(array_keys($this->db) as $key) {
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// $this->db[$key][(string) $update_version] = $deleted_library;
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// }
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}
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}
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public function update_modules($update_version, $update) {
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if ($update_version) {
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$update_version = BoostVersion::from($update_version);
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}
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foreach($update as $lib) {
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$category = array_key_exists('category', $lib->details)
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? $lib->details['category'] : array();
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$invalid_categories = array_diff($category,
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array_keys($this->categories));
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$valid_categories = array_intersect($category,
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array_keys($this->categories));
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if ($invalid_categories) {
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echo $lib->details['key'], ": Invalid categories: ",
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implode(', ', $invalid_categories), "\n";
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}
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// The convention is that Miscellaneous contains libraries that
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// aren't in any other category. Otherwise Miscellaneous would
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// contain everything.
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if (count($valid_categories) > 1 && in_array('Miscellaneous', $valid_categories)) {
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// TODO: Some sort of verbose option?
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// echo $lib->details['key'], ": In Miscellaneous + other categories.\n";
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unset($valid_categories[array_search('Miscellaneous', $valid_categories)]);
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} else if (!$valid_categories) {
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$valid_categories = array('Miscellaneous');
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}
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// Sort categories to normalize them.
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// TODO: Shouldn't really be setting this directly from here.
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sort($valid_categories);
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$lib->details['category'] = $valid_categories;
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if ($update_version) {
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$lib->update_version = $update_version;
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}
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$key = $lib->details['key'];
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$this->db[$key][(string) $lib->update_version] = $lib;
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}
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}
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public function update_finish($version) {
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if ($version) {
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$version = BoostVersion::from($version);
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}
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$this->clean_db();
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// If this is a release, then pull all the libraries back out,
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// and set their version when not available.
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//
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// Note: can only do this after 'clean_db' as that copies the
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// old release details into the new release.
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if ($version && $version->is_numbered_release()) {
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$libs = $this->get_for_version($version, null,
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'BoostLibraries::filter_all');
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$new_libs = array();
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foreach($libs as $lib_details) {
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$current_version = BoostVersion::from($lib_details['boost-version']);
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if ($current_version->is_unreleased() || $current_version->is_beta())
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{
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$lib_details['boost-version'] = $version;
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}
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$new_libs[] = new BoostLibrary($lib_details);
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}
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$this->update_modules($version, $new_libs);
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$this->clean_db();
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}
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}
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private function clean_db() {
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foreach(array_keys($this->db) as $key) {
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$this->reduce_versions($key);
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}
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ksort($this->db);
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}
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private function sort_versions($key) {
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uasort($this->db[$key], function($x, $y) {
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return $x->update_version->compare($y->update_version);
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});
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}
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private function reduce_versions($key) {
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$this->sort_versions($key);
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$last = null;
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foreach ($this->db[$key] as $version => $current) {
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$current->fill_in_details_from_previous_version($last);
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if ($last && $current->equal_to($last)) {
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unset($this->db[$key][$version]);
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}
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$last = $current;
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}
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}
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/**
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* Generate an xml representation of the library data.
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*
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* @param array $exclude Fields to leave out of the library output
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* @return string
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*/
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function to_xml($exclude = array()) {
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$exclude = array_flip($exclude);
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$writer = new BoostLibraries_XMLWriter();
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$writer->openMemory();
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//$writer->setIndent(true);
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//$writer->setIndentString(' ');
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$writer->startDocument('1.0', 'US-ASCII');
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$writer->startElement('boost');
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$writer->writeAttribute('xmlns:xsi',
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'http://www.w3.org/2001/XMLSchema-instance');
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if ($this->categories) {
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$writer->startElement('categories');
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foreach ($this->categories as $name => $category) {
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$writer->startElement('category');
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$writer->writeAttribute('name', $name);
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$writer->writeElement('title', $category['title']);
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$writer->endElement();
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}
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$writer->endElement(); // categories
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}
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foreach ($this->db as $key => $libs) {
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foreach($libs as $lib) {
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$details = $lib->details;
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if ($lib->update_version) {
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$details['update-version'] = $lib->update_version;
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}
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$details = BoostLibrary::clean_for_output($details);
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$writer->startElement('library');
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$this->write_element($writer, $exclude, $details, 'key');
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$this->write_element($writer, $exclude, $details, 'module');
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$this->write_optional_element($writer, $exclude, $details, 'boost-version');
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$this->write_optional_element($writer, $exclude, $details, 'update-version');
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$this->write_optional_element($writer, $exclude, $details, 'status');
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$this->write_optional_element($writer, $exclude, $details, 'name');
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$this->write_many_elements($writer, $exclude, $details, 'authors');
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$this->write_many_elements($writer, $exclude, $details, 'maintainers');
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$this->write_optional_element($writer, $exclude, $details, 'description');
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$this->write_optional_element($writer, $exclude, $details, 'documentation');
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$this->write_many_elements($writer, $exclude, $details, 'std');
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$this->write_many_elements($writer, $exclude, $details, 'category');
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$writer->endElement();
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}
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}
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$writer->endElement(); // boost
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$writer->endDocument();
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return $writer->outputMemory();
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}
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/**
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* Write a library array.
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*
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* @param XMLWriter $writer
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* @param array $exclude
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* @param string $lib
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* @param string $name
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*/
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private function write_many_elements($writer, $exclude, $lib, $name) {
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if (isset($lib[$name]) && !isset($exclude[$name])) {
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if (is_array($lib[$name])) {
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foreach($lib[$name] as $value) {
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$writer->writeElement($name, $value);
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}
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}
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else {
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$writer->writeElement($name, $lib[$name]);
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}
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}
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}
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/**
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* Write a library element.
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*
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* @param XMLWriter $writer
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* @param array $exclude
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* @param string $lib
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* @param string $name
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*/
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private function write_element($writer, $exclude, $lib, $name) {
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if (!isset($exclude[$name])) {
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$value = $lib[$name];
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$value = is_bool($value) ?
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($value ? "true" : "false") :
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(string) $value;
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$writer->writeElement($name, $value);
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}
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}
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/**
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* Write a library element.
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*
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* @param XMLWriter $writer
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* @param array $exclude
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* @param string $lib
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* @param string $name
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*/
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private function write_optional_element($writer, $exclude, $lib, $name) {
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if (isset($lib[$name])) {
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$this->write_element($writer, $exclude, $lib, $name);
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}
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}
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/**
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* Generate a json representation of the library data.
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*
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* @param array $exclude Fields to leave out of the library output
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* @return string
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*/
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function to_json($exclude = array()) {
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$export = array();
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foreach ($this->db as $libs) {
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foreach($libs as $lib) {
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$export[] = $lib->array_for_json($exclude);
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}
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}
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// Pick an export format depending on what data we have.
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if ($this->categories) {
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$export = Array(
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'categories' => $this->categories,
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'libraries' => $export,
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);
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}
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else if (count($export) == 1) {
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$export = $export[0];
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}
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// I'm not sure why php escapes slashes, but I don't want them so
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// I'll just zap them. Maybe stop doing that in the future.
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return str_replace('\\/', '/',
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json_encode($export,
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(defined('JSON_PRETTY_PRINT') ? JSON_PRETTY_PRINT : 0) |
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|
(defined('JSON_UNESCAPED_UNICODE') ? JSON_UNESCAPED_UNICODE : 0)
|
|
));
|
|
}
|
|
|
|
static function filter_released($x) {
|
|
return $x['boost-version']->is_release();
|
|
}
|
|
|
|
static function filter_all($x) {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get the library details for a particular release.
|
|
*
|
|
* @param \BoostVersion $version
|
|
* @param string $sort Optional field used to sort the libraries.
|
|
* @param callable $filter Optional filter function.
|
|
* @return array
|
|
*/
|
|
function get_for_version($version, $sort = null, $filter = null) {
|
|
$version = BoostVersion::from($version);
|
|
$libs = array();
|
|
|
|
if (!$filter) {
|
|
$filter = $version->is_numbered_release() ?
|
|
'BoostLibraries::filter_released' :
|
|
'BoostLibraries::filter_all';
|
|
}
|
|
|
|
foreach($this->db as $key => $versions) {
|
|
$details = null;
|
|
|
|
foreach($versions as $lib) {
|
|
if ($version->compare($lib->update_version) >= 0) {
|
|
$details = $lib->details;
|
|
}
|
|
}
|
|
|
|
if ($details) {
|
|
if ($filter && !call_user_func($filter, $details)) continue;
|
|
$libs[$key] = $details;
|
|
}
|
|
}
|
|
|
|
$libs = array_values($libs);
|
|
if($sort) {
|
|
uasort($libs, BoostUtility::sort_by_field($sort));
|
|
}
|
|
return $libs;
|
|
}
|
|
|
|
/**
|
|
* Get the library details for a particular release, grouped into
|
|
* categories.
|
|
*
|
|
* @param \BoostVersion $version
|
|
* @param string $sort Optional field used to sort the libraries.
|
|
* @param callable $filter Optional filter function.
|
|
* @return array
|
|
*/
|
|
function get_categorized_for_version($version, $sort = null, $filter = null) {
|
|
$libs = $this->get_for_version($version, $sort, $filter);
|
|
$categories = $this->categories;
|
|
|
|
foreach($libs as $key => $library) {
|
|
foreach($library['category'] as $category) {
|
|
if(!isset($this->categories[$category])) {
|
|
echo 'Unknown category: ', html_encode($category), "\n";
|
|
exit(0);
|
|
}
|
|
$categories[$category]['libraries'][] = $library;
|
|
}
|
|
}
|
|
|
|
return $categories;
|
|
}
|
|
|
|
/**
|
|
* Get a list of the different categories.
|
|
*
|
|
* @return string
|
|
*/
|
|
function get_categories() {
|
|
return $this->categories;
|
|
}
|
|
|
|
/**
|
|
* Get the full history of a library.
|
|
*
|
|
* @param string $key
|
|
* @return array of BoostLibrary
|
|
*/
|
|
function get_history($key) {
|
|
return $this->db[$key];
|
|
}
|
|
|
|
|
|
}
|
|
|
|
// Simple class to write out XML as XMLWriter isn't always available.
|
|
// Implements a very limited subset of the commands.
|
|
class BoostLibraries_XMLWriter {
|
|
var $text = '';
|
|
var $in_element = false;
|
|
var $element_stack = array();
|
|
|
|
function openMemory() {
|
|
$this->text = '';
|
|
}
|
|
|
|
function outputMemory($flush = true) {
|
|
$x = $this->text;
|
|
if ($flush) { $this->text = ''; }
|
|
return $x;
|
|
}
|
|
|
|
function startDocument($version, $encoding) {
|
|
assert($encoding === 'US-ASCII');
|
|
assert(!$this->text);
|
|
assert(!$this->in_element);
|
|
assert(!$this->element_stack);
|
|
$this->write("<?xml version=\"{$version}\" encoding=\"{$encoding}\"?".">");
|
|
}
|
|
|
|
function endDocument() {
|
|
assert(!$this->in_element);
|
|
assert(!$this->element_stack);
|
|
$this->write("\n");
|
|
}
|
|
|
|
function startElement($name) {
|
|
$this->closeElementIfOpen();
|
|
$this->startLine();
|
|
$this->write("<{$name}");
|
|
$this->in_element = true;
|
|
$this->element_stack[] = $name;
|
|
}
|
|
|
|
function endElement() {
|
|
if ($this->in_element) {
|
|
$this->write('/>');
|
|
$this->in_element = false;
|
|
array_pop($this->element_stack);
|
|
} else {
|
|
assert($this->element_stack);
|
|
$name = array_pop($this->element_stack);
|
|
$this->startLine();
|
|
$this->write("</${name}>");
|
|
}
|
|
}
|
|
|
|
private function closeElementIfOpen() {
|
|
if ($this->in_element) {
|
|
$this->write('>');
|
|
$this->in_element = false;
|
|
}
|
|
}
|
|
|
|
function writeElement($name, $value) {
|
|
$this->closeElementIfOpen();
|
|
$this->startLine();
|
|
$this->write("<{$name}>");
|
|
$this->writeText($value);
|
|
$this->write("</{$name}>");
|
|
}
|
|
|
|
function writeAttribute($name, $value) {
|
|
assert($this->in_element);
|
|
$this->write(" {$name}=\"");
|
|
$this->writeText($value);
|
|
$this->write("\"");
|
|
}
|
|
|
|
private function writeText($text) {
|
|
$text = htmlspecialchars($text, ENT_COMPAT, 'UTF-8');
|
|
// This bizarre text converts all remaining non-ascii characters
|
|
// to xml entities. There's probably a better way to do this.
|
|
$text = preg_replace_callback('/[^\0-\x{80}]/u', function ($x) {
|
|
$decimal_char = hexdec(bin2hex(iconv('utf-8', 'ucs-4', $x[0])));
|
|
return "&#{$decimal_char};";
|
|
}, $text);
|
|
$this->write($text);
|
|
}
|
|
|
|
private function startLine() {
|
|
$this->write("\n".str_repeat(' ', count($this->element_stack)));
|
|
}
|
|
|
|
private function write($x) {
|
|
$this->text .= $x;
|
|
}
|
|
}
|
|
|
|
class BoostLibraries_exception extends RuntimeException {}
|
|
class library_decode_exception extends BoostLibraries_exception {
|
|
private $content = '';
|
|
|
|
function __construct($message, $content) {
|
|
parent::__construct($message);
|
|
$this->content = $content;
|
|
}
|
|
|
|
public function content() {
|
|
return $this->content;
|
|
}
|
|
}
|
|
|
|
?>
|