WebSVN - ant - Авторство - Редакция 69

Редакция	Автор	№ строки	Строка
69	alex-w	1	<?php
		2	/**
		3	* PEAR_REST_13
		4	*
		5	* PHP versions 4 and 5
		6	*
		7	* LICENSE: This source file is subject to version 3.0 of the PHP license
		8	* that is available through the world-wide-web at the following URI:
		9	* http://www.php.net/license/3_0.txt. If you did not receive a copy of
		10	* the PHP License and are unable to obtain it through the web, please
		11	* send a note to license@php.net so we can mail you a copy immediately.
		12	*
		13	* @category pear
		14	* @package PEAR
		15	* @author Greg Beaver <cellog@php.net>
		16	* @copyright 1997-2008 The PHP Group
		17	* @license http://www.php.net/license/3_0.txt PHP License 3.0
		18	* @version CVS: $Id: 13.php,v 1.6 2008/04/11 01:16:40 dufuz Exp $
		19	* @link http://pear.php.net/package/PEAR
		20	* @since File available since Release 1.4.0a12
		21	*/
		22
		23	/**
		24	* For downloading REST xml/txt files
		25	*/
		26	require_once 'PEAR/REST.php';
		27	require_once 'PEAR/REST/10.php';
		28
		29	/**
		30	* Implement REST 1.3
		31	*
		32	* @category pear
		33	* @package PEAR
		34	* @author Greg Beaver <cellog@php.net>
		35	* @copyright 1997-2008 The PHP Group
		36	* @license http://www.php.net/license/3_0.txt PHP License 3.0
		37	* @version Release: 1.7.2
		38	* @link http://pear.php.net/package/PEAR
		39	* @since Class available since Release 1.4.0a12
		40	*/
		41	class PEAR_REST_13 extends PEAR_REST_10
		42	{
		43	/**
		44	* Retrieve information about a remote package to be downloaded from a REST server
		45	*
		46	* This is smart enough to resolve the minimum PHP version dependency prior to download
		47	* @param string $base The uri to prepend to all REST calls
		48	* @param array $packageinfo an array of format:
		49	* <pre>
		50	* array(
		51	* 'package' => 'packagename',
		52	* 'channel' => 'channelname',
		53	* ['state' => 'alpha' (or valid state),]
		54	* -or-
		55	* ['version' => '1.whatever']
		56	* </pre>
		57	* @param string $prefstate Current preferred_state config variable value
		58	* @param bool $installed the installed version of this package to compare against
		59	* @return array\|false\|PEAR_Error see {@link _returnDownloadURL()}
		60	*/
		61	function getDownloadURL($base, $packageinfo, $prefstate, $installed, $channel = false)
		62	{
		63	$channel = $packageinfo['channel'];
		64	$package = $packageinfo['package'];
		65	$states = $this->betterStates($prefstate, true);
		66	if (!$states) {
		67	return PEAR::raiseError('"' . $prefstate . '" is not a valid state');
		68	}
		69	$state = isset($packageinfo['state']) ? $packageinfo['state'] : null;
		70	$version = isset($packageinfo['version']) ? $packageinfo['version'] : null;
		71	$info = $this->_rest->retrieveData($base . 'r/' . strtolower($package) .
		72	'/allreleases2.xml');
		73	if (PEAR::isError($info)) {
		74	return PEAR::raiseError('No releases available for package "' .
		75	$channel . '/' . $package . '"');
		76	}
		77	if (!isset($info['r'])) {
		78	return false;
		79	}
		80	$release = $found = false;
		81	if (!is_array($info['r']) \|\| !isset($info['r'][0])) {
		82	$info['r'] = array($info['r']);
		83	}
		84	$skippedphp = false;
		85	foreach ($info['r'] as $release) {
		86	if (!isset($this->_rest->_options['force']) && ($installed &&
		87	version_compare($release['v'], $installed, '<'))) {
		88	continue;
		89	}
		90	if (isset($state)) {
		91	// try our preferred state first
		92	if ($release['s'] == $state) {
		93	if (!isset($version) && version_compare($release['m'], phpversion(), '>')) {
		94	// skip releases that require a PHP version newer than our PHP version
		95	$skippedphp = $release;
		96	continue;
		97	}
		98	$found = true;
		99	break;
		100	}
		101	// see if there is something newer and more stable
		102	// bug #7221
		103	if (in_array($release['s'], $this->betterStates($state), true)) {
		104	if (!isset($version) && version_compare($release['m'], phpversion(), '>')) {
		105	// skip releases that require a PHP version newer than our PHP version
		106	$skippedphp = $release;
		107	continue;
		108	}
		109	$found = true;
		110	break;
		111	}
		112	} elseif (isset($version)) {
		113	if ($release['v'] == $version) {
		114	if (!isset($this->_rest->_options['force']) &&
		115	!isset($version) &&
		116	version_compare($release['m'], phpversion(), '>')) {
		117	// skip releases that require a PHP version newer than our PHP version
		118	$skippedphp = $release;
		119	continue;
		120	}
		121	$found = true;
		122	break;
		123	}
		124	} else {
		125	if (in_array($release['s'], $states)) {
		126	if (version_compare($release['m'], phpversion(), '>')) {
		127	// skip releases that require a PHP version newer than our PHP version
		128	$skippedphp = $release;
		129	continue;
		130	}
		131	$found = true;
		132	break;
		133	}
		134	}
		135	}
		136	if (!$found && $skippedphp) {
		137	$found = null;
		138	}
		139	return $this->_returnDownloadURL($base, $package, $release, $info, $found, $skippedphp, $channel);
		140	}
		141
		142	function getDepDownloadURL($base, $xsdversion, $dependency, $deppackage,
		143	$prefstate = 'stable', $installed = false, $channel = false)
		144	{
		145	$channel = $dependency['channel'];
		146	$package = $dependency['name'];
		147	$states = $this->betterStates($prefstate, true);
		148	if (!$states) {
		149	return PEAR::raiseError('"' . $prefstate . '" is not a valid state');
		150	}
		151	$state = isset($dependency['state']) ? $dependency['state'] : null;
		152	$version = isset($dependency['version']) ? $dependency['version'] : null;
		153	$info = $this->_rest->retrieveData($base . 'r/' . strtolower($package) .
		154	'/allreleases2.xml');
		155	if (PEAR::isError($info)) {
		156	return PEAR::raiseError('Package "' . $deppackage['channel'] . '/' . $deppackage['package']
		157	. '" dependency "' . $channel . '/' . $package . '" has no releases');
		158	}
		159	if (!is_array($info) \|\| !isset($info['r'])) {
		160	return false;
		161	}
		162	$exclude = array();
		163	$min = $max = $recommended = false;
		164	if ($xsdversion == '1.0') {
		165	$pinfo['package'] = $dependency['name'];
		166	$pinfo['channel'] = 'pear.php.net'; // this is always true - don't change this
		167	switch ($dependency['rel']) {
		168	case 'ge' :
		169	$min = $dependency['version'];
		170	break;
		171	case 'gt' :
		172	$min = $dependency['version'];
		173	$exclude = array($dependency['version']);
		174	break;
		175	case 'eq' :
		176	$recommended = $dependency['version'];
		177	break;
		178	case 'lt' :
		179	$max = $dependency['version'];
		180	$exclude = array($dependency['version']);
		181	break;
		182	case 'le' :
		183	$max = $dependency['version'];
		184	break;
		185	case 'ne' :
		186	$exclude = array($dependency['version']);
		187	break;
		188	}
		189	} else {
		190	$pinfo['package'] = $dependency['name'];
		191	$min = isset($dependency['min']) ? $dependency['min'] : false;
		192	$max = isset($dependency['max']) ? $dependency['max'] : false;
		193	$recommended = isset($dependency['recommended']) ?
		194	$dependency['recommended'] : false;
		195	if (isset($dependency['exclude'])) {
		196	if (!isset($dependency['exclude'][0])) {
		197	$exclude = array($dependency['exclude']);
		198	}
		199	}
		200	}
		201	$found = false;
		202	$release = false;
		203	$skippedphp = false;
		204	if (!is_array($info['r']) \|\| !isset($info['r'][0])) {
		205	$info['r'] = array($info['r']);
		206	}
		207	foreach ($info['r'] as $release) {
		208	if (!isset($this->_rest->_options['force']) && ($installed &&
		209	version_compare($release['v'], $installed, '<'))) {
		210	continue;
		211	}
		212	if (in_array($release['v'], $exclude)) { // skip excluded versions
		213	continue;
		214	}
		215	// allow newer releases to say "I'm OK with the dependent package"
		216	if ($xsdversion == '2.0' && isset($release['co'])) {
		217	if (!is_array($release['co']) \|\| !isset($release['co'][0])) {
		218	$release['co'] = array($release['co']);
		219	}
		220	foreach ($release['co'] as $entry) {
		221	if (isset($entry['x']) && !is_array($entry['x'])) {
		222	$entry['x'] = array($entry['x']);
		223	} elseif (!isset($entry['x'])) {
		224	$entry['x'] = array();
		225	}
		226	if ($entry['c'] == $deppackage['channel'] &&
		227	strtolower($entry['p']) == strtolower($deppackage['package']) &&
		228	version_compare($deppackage['version'], $entry['min'], '>=') &&
		229	version_compare($deppackage['version'], $entry['max'], '<=') &&
		230	!in_array($release['v'], $entry['x'])) {
		231	if (version_compare($release['m'], phpversion(), '>')) {
		232	// skip dependency releases that require a PHP version
		233	// newer than our PHP version
		234	$skippedphp = $release;
		235	continue;
		236	}
		237	$recommended = $release['v'];
		238	break;
		239	}
		240	}
		241	}
		242	if ($recommended) {
		243	if ($release['v'] != $recommended) { // if we want a specific
		244	// version, then skip all others
		245	continue;
		246	} else {
		247	if (!in_array($release['s'], $states)) {
		248	// the stability is too low, but we must return the
		249	// recommended version if possible
		250	return $this->_returnDownloadURL($base, $package, $release, $info, true, false, $channel);
		251	}
		252	}
		253	}
		254	if ($min && version_compare($release['v'], $min, 'lt')) { // skip too old versions
		255	continue;
		256	}
		257	if ($max && version_compare($release['v'], $max, 'gt')) { // skip too new versions
		258	continue;
		259	}
		260	if ($installed && version_compare($release['v'], $installed, '<')) {
		261	continue;
		262	}
		263	if (in_array($release['s'], $states)) { // if in the preferred state...
		264	if (version_compare($release['m'], phpversion(), '>')) {
		265	// skip dependency releases that require a PHP version
		266	// newer than our PHP version
		267	$skippedphp = $release;
		268	continue;
		269	}
		270	$found = true; // ... then use it
		271	break;
		272	}
		273	}
		274	if (!$found && $skippedphp) {
		275	$found = null;
		276	}
		277	return $this->_returnDownloadURL($base, $package, $release, $info, $found, $skippedphp, $channel);
		278	}
		279	}
		280	?>

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