Subversion Repositories Applications.gtt

Compare Revisions

Ignore whitespace Rev 93 → Rev 94

/trunk/bibliotheque/pear/PEAR/Command/Channels.php
New file
0,0 → 1,785
<?php
// /* vim: set expandtab tabstop=4 shiftwidth=4: */
/**
* PEAR_Command_Channels (list-channels, update-channels, channel-delete, channel-add,
* channel-update, channel-info, channel-alias, channel-discover commands)
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.0 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_0.txt. If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category pear
* @package PEAR
* @author Stig Bakken <ssb@php.net>
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2006 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version CVS: $Id: Channels.php,v 1.46 2006/07/17 18:19:25 pajoye Exp $
* @link http://pear.php.net/package/PEAR
* @since File available since Release 1.4.0a1
*/
 
/**
* base class
*/
require_once 'PEAR/Command/Common.php';
 
/**
* PEAR commands for managing channels.
*
* @category pear
* @package PEAR
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2006 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version Release: 1.5.1
* @link http://pear.php.net/package/PEAR
* @since Class available since Release 1.4.0a1
*/
class PEAR_Command_Channels extends PEAR_Command_Common
{
// {{{ properties
 
var $commands = array(
'list-channels' => array(
'summary' => 'List Available Channels',
'function' => 'doList',
'shortcut' => 'lc',
'options' => array(),
'doc' => '
List all available channels for installation.
',
),
'update-channels' => array(
'summary' => 'Update the Channel List',
'function' => 'doUpdateAll',
'shortcut' => 'uc',
'options' => array(),
'doc' => '
List all installed packages in all channels.
'
),
'channel-delete' => array(
'summary' => 'Remove a Channel From the List',
'function' => 'doDelete',
'shortcut' => 'cde',
'options' => array(),
'doc' => '<channel name>
Delete a channel from the registry. You may not
remove any channel that has installed packages.
'
),
'channel-add' => array(
'summary' => 'Add a Channel',
'function' => 'doAdd',
'shortcut' => 'ca',
'options' => array(),
'doc' => '<channel.xml>
Add a private channel to the channel list. Note that all
public channels should be synced using "update-channels".
Parameter may be either a local file or remote URL to a
channel.xml.
'
),
'channel-update' => array(
'summary' => 'Update an Existing Channel',
'function' => 'doUpdate',
'shortcut' => 'cu',
'options' => array(
'force' => array(
'shortopt' => 'f',
'doc' => 'will force download of new channel.xml if an existing channel name is used',
),
'channel' => array(
'shortopt' => 'c',
'arg' => 'CHANNEL',
'doc' => 'will force download of new channel.xml if an existing channel name is used',
),
),
'doc' => '[<channel.xml>|<channel name>]
Update a channel in the channel list directly. Note that all
public channels can be synced using "update-channels".
Parameter may be a local or remote channel.xml, or the name of
an existing channel.
'
),
'channel-info' => array(
'summary' => 'Retrieve Information on a Channel',
'function' => 'doInfo',
'shortcut' => 'ci',
'options' => array(),
'doc' => '<package>
List the files in an installed package.
'
),
'channel-alias' => array(
'summary' => 'Specify an alias to a channel name',
'function' => 'doAlias',
'shortcut' => 'cha',
'options' => array(),
'doc' => '<channel> <alias>
Specify a specific alias to use for a channel name.
The alias may not be an existing channel name or
alias.
'
),
'channel-discover' => array(
'summary' => 'Initialize a Channel from its server',
'function' => 'doDiscover',
'shortcut' => 'di',
'options' => array(),
'doc' => '[<channel.xml>|<channel name>]
Initialize a Channel from its server and creates the local channel.xml.
'
),
);
 
// }}}
// {{{ constructor
 
/**
* PEAR_Command_Registry constructor.
*
* @access public
*/
function PEAR_Command_Channels(&$ui, &$config)
{
parent::PEAR_Command_Common($ui, $config);
}
 
// }}}
 
// {{{ doList()
function _sortChannels($a, $b)
{
return strnatcasecmp($a->getName(), $b->getName());
}
 
function doList($command, $options, $params)
{
$reg = &$this->config->getRegistry();
$registered = $reg->getChannels();
usort($registered, array(&$this, '_sortchannels'));
$i = $j = 0;
$data = array(
'caption' => 'Registered Channels:',
'border' => true,
'headline' => array('Channel', 'Summary')
);
foreach ($registered as $channel) {
$data['data'][] = array($channel->getName(),
$channel->getSummary());
}
if (count($registered)==0) {
$data = '(no registered channels)';
}
$this->ui->outputData($data, $command);
return true;
}
function doUpdateAll($command, $options, $params)
{
$reg = &$this->config->getRegistry();
$savechannel = $this->config->get('default_channel');
if (isset($options['channel'])) {
if (!$reg->channelExists($options['channel'])) {
return $this->raiseError('Unknown channel "' . $options['channel'] . '"');
}
$this->config->set('default_channel', $options['channel']);
} else {
$this->config->set('default_channel', 'pear.php.net');
}
$remote = &$this->config->getRemote();
$channels = $remote->call('channel.listAll');
if (PEAR::isError($channels)) {
$this->config->set('default_channel', $savechannel);
return $channels;
}
if (!is_array($channels) || isset($channels['faultCode'])) {
$this->config->set('default_channel', $savechannel);
return $this->raiseError("Incorrect channel listing returned from channel '$chan'");
}
if (!count($channels)) {
$data = 'no updates available';
}
$dl = &$this->getDownloader();
if (!class_exists('System')) {
require_once 'System.php';
}
$tmpdir = System::mktemp(array('-d'));
foreach ($channels as $channel) {
$channel = $channel[0];
$save = $channel;
if ($reg->channelExists($channel, true)) {
$this->ui->outputData("Updating channel \"$channel\"", $command);
$test = $reg->getChannel($channel, true);
if (PEAR::isError($test)) {
$this->ui->outputData("Channel '$channel' is corrupt in registry!", $command);
$lastmodified = false;
} else {
$lastmodified = $test->lastModified();
}
PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
$contents = $dl->downloadHttp('http://' . $test->getName() . '/channel.xml',
$this->ui, $tmpdir, null, $lastmodified);
PEAR::staticPopErrorHandling();
if (PEAR::isError($contents)) {
$this->ui->outputData('ERROR: Cannot retrieve channel.xml for channel "' .
$test->getName() . '"', $command);
continue;
}
if (!$contents) {
$this->ui->outputData("Channel \"$channel\" is up-to-date", $command);
continue;
}
list($contents, $lastmodified) = $contents;
$info = implode('', file($contents));
if (!$info) {
$this->ui->outputData("Channel \"$channel\" is up-to-date", $command);
continue;
}
if (!class_exists('PEAR_ChannelFile')) {
require_once 'PEAR/ChannelFile.php';
}
$channelinfo = new PEAR_ChannelFile;
$channelinfo->fromXmlString($info);
if ($channelinfo->getErrors()) {
$this->ui->outputData("Downloaded channel data from channel \"$channel\" " .
'is corrupt, skipping', $command);
continue;
}
$channel = $channelinfo;
if ($channel->getName() != $save) {
$this->ui->outputData('ERROR: Security risk - downloaded channel ' .
'definition file for channel "'
. $channel->getName() . ' from channel "' . $save .
'". To use anyway, use channel-update', $command);
continue;
}
$reg->updateChannel($channel, $lastmodified);
} else {
if ($reg->isAlias($channel)) {
$temp = &$reg->getChannel($channel);
if (PEAR::isError($temp)) {
return $this->raiseError($temp);
}
$temp->setAlias($temp->getName(), true); // set the alias to the channel name
if ($reg->channelExists($temp->getName())) {
$this->ui->outputData('ERROR: existing channel "' . $temp->getName() .
'" is aliased to "' . $channel . '" already and cannot be ' .
're-aliased to "' . $temp->getName() . '" because a channel with ' .
'that name or alias already exists! Please re-alias and try ' .
'again.', $command);
continue;
}
}
$this->ui->outputData("Adding new channel \"$channel\"", $command);
PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
$contents = $dl->downloadHttp('http://' . $channel . '/channel.xml',
$this->ui, $tmpdir, null, false);
PEAR::staticPopErrorHandling();
if (PEAR::isError($contents)) {
$this->ui->outputData('ERROR: Cannot retrieve channel.xml for channel "' .
$channel . '"', $command);
continue;
}
list($contents, $lastmodified) = $contents;
$info = implode('', file($contents));
if (!class_exists('PEAR_ChannelFile')) {
require_once 'PEAR/ChannelFile.php';
}
$channelinfo = new PEAR_Channelfile;
$channelinfo->fromXmlString($info);
if ($channelinfo->getErrors()) {
$this->ui->outputData("Downloaded channel data from channel \"$channel\"" .
' is corrupt, skipping', $command);
continue;
}
$channel = $channelinfo;
if ($channel->getName() != $save) {
$this->ui->outputData('ERROR: Security risk - downloaded channel ' .
'definition file for channel "'
. $channel->getName() . '" from channel "' . $save .
'". To use anyway, use channel-update', $command);
continue;
}
$reg->addChannel($channel, $lastmodified);
}
}
$this->config->set('default_channel', $savechannel);
$this->ui->outputData('update-channels complete', $command);
return true;
}
function doInfo($command, $options, $params)
{
if (sizeof($params) != 1) {
return $this->raiseError("No channel specified");
}
$reg = &$this->config->getRegistry();
$channel = strtolower($params[0]);
if ($reg->channelExists($channel)) {
$chan = $reg->getChannel($channel);
if (PEAR::isError($chan)) {
return $this->raiseError($chan);
}
} else {
if (strpos($channel, '://')) {
$downloader = &$this->getDownloader();
if (!class_exists('System')) {
require_once 'System.php';
}
$tmpdir = System::mktemp(array('-d'));
PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
$loc = $downloader->downloadHttp($channel, $this->ui, $tmpdir);
PEAR::staticPopErrorHandling();
if (PEAR::isError($loc)) {
return $this->raiseError('Cannot open "' . $channel . '"');
} else {
$contents = implode('', file($loc));
}
} else {
if (file_exists($params[0])) {
$fp = fopen($params[0], 'r');
if (!$fp) {
return $this->raiseError('Cannot open "' . $params[0] . '"');
}
} else {
return $this->raiseError('Unknown channel "' . $channel . '"');
}
$contents = '';
while (!feof($fp)) {
$contents .= fread($fp, 1024);
}
fclose($fp);
}
if (!class_exists('PEAR_ChannelFile')) {
require_once 'PEAR/ChannelFile.php';
}
$chan = new PEAR_ChannelFile;
$chan->fromXmlString($contents);
$chan->validate();
if ($errs = $chan->getErrors(true)) {
foreach ($errs as $err) {
$this->ui->outputData($err['level'] . ': ' . $err['message']);
}
return $this->raiseError('Channel file "' . $params[0] . '" is not valid');
}
}
if ($chan) {
$channel = $chan->getName();
$caption = 'Channel ' . $channel . ' Information:';
$data1 = array(
'caption' => $caption,
'border' => true);
$data1['data']['server'] = array('Name and Server', $chan->getName());
if ($chan->getAlias() != $chan->getName()) {
$data1['data']['alias'] = array('Alias', $chan->getAlias());
}
$data1['data']['summary'] = array('Summary', $chan->getSummary());
$validate = $chan->getValidationPackage();
$data1['data']['vpackage'] = array('Validation Package Name', $validate['_content']);
$data1['data']['vpackageversion'] =
array('Validation Package Version', $validate['attribs']['version']);
$d = array();
$d['main'] = $data1;
 
$data['data'] = array();
$data['caption'] = 'Server Capabilities';
$data['headline'] = array('Type', 'Version/REST type', 'Function Name/REST base');
$capabilities = $chan->getFunctions('xmlrpc');
$soaps = $chan->getFunctions('soap');
if ($capabilities || $soaps || $chan->supportsREST()) {
if ($capabilities) {
if (!isset($capabilities[0])) {
$capabilities = array($capabilities);
}
foreach ($capabilities as $protocol) {
$data['data'][] = array('xmlrpc', $protocol['attribs']['version'],
$protocol['_content']);
}
}
if ($soaps) {
if (!isset($soaps[0])) {
$soaps = array($soaps);
}
foreach ($soaps as $protocol) {
$data['data'][] = array('soap', $protocol['attribs']['version'],
$protocol['_content']);
}
}
if ($chan->supportsREST()) {
$funcs = $chan->getFunctions('rest');
if (!isset($funcs[0])) {
$funcs = array($funcs);
}
foreach ($funcs as $protocol) {
$data['data'][] = array('rest', $protocol['attribs']['type'],
$protocol['_content']);
}
}
} else {
$data['data'][] = array('No supported protocols');
}
$d['protocols'] = $data;
$data['data'] = array();
$mirrors = $chan->getMirrors();
if ($mirrors) {
$data['caption'] = 'Channel ' . $channel . ' Mirrors:';
unset($data['headline']);
foreach ($mirrors as $mirror) {
$data['data'][] = array($mirror['attribs']['host']);
$d['mirrors'] = $data;
}
foreach ($mirrors as $mirror) {
$data['data'] = array();
$data['caption'] = 'Mirror ' . $mirror['attribs']['host'] . ' Capabilities';
$data['headline'] = array('Type', 'Version/REST type', 'Function Name/REST base');
$capabilities = $chan->getFunctions('xmlrpc', $mirror['attribs']['host']);
$soaps = $chan->getFunctions('soap', $mirror['attribs']['host']);
if ($capabilities || $soaps || $chan->supportsREST($mirror['attribs']['host'])) {
if ($capabilities) {
if (!isset($capabilities[0])) {
$capabilities = array($capabilities);
}
foreach ($capabilities as $protocol) {
$data['data'][] = array('xmlrpc', $protocol['attribs']['version'],
$protocol['_content']);
}
}
if ($soaps) {
if (!isset($soaps[0])) {
$soaps = array($soaps);
}
foreach ($soaps as $protocol) {
$data['data'][] = array('soap', $protocol['attribs']['version'],
$protocol['_content']);
}
}
if ($chan->supportsREST($mirror['attribs']['host'])) {
$funcs = $chan->getFunctions('rest', $mirror['attribs']['host']);
if (!isset($funcs[0])) {
$funcs = array($funcs);
}
foreach ($funcs as $protocol) {
$data['data'][] = array('rest', $protocol['attribs']['type'],
$protocol['_content']);
}
}
} else {
$data['data'][] = array('No supported protocols');
}
$d['mirrorprotocols'] = $data;
}
}
$this->ui->outputData($d, 'channel-info');
} else {
return $this->raiseError('Serious error: Channel "' . $params[0] .
'" has a corrupted registry entry');
}
}
 
// }}}
function doDelete($command, $options, $params)
{
if (sizeof($params) != 1) {
return $this->raiseError('channel-delete: no channel specified');
}
$reg = &$this->config->getRegistry();
if (!$reg->channelExists($params[0])) {
return $this->raiseError('channel-delete: channel "' . $params[0] . '" does not exist');
}
$channel = $reg->channelName($params[0]);
if ($channel == 'pear.php.net') {
return $this->raiseError('Cannot delete the pear.php.net channel');
}
if ($channel == 'pecl.php.net') {
return $this->raiseError('Cannot delete the pecl.php.net channel');
}
if ($channel == '__uri') {
return $this->raiseError('Cannot delete the __uri pseudo-channel');
}
if (PEAR::isError($err = $reg->listPackages($channel))) {
return $err;
}
if (count($err)) {
return $this->raiseError('Channel "' . $channel .
'" has installed packages, cannot delete');
}
if (!$reg->deleteChannel($channel)) {
return $this->raiseError('Channel "' . $channel . '" deletion failed');
} else {
$this->config->deleteChannel($channel);
$this->ui->outputData('Channel "' . $channel . '" deleted', $command);
}
}
 
function doAdd($command, $options, $params)
{
if (sizeof($params) != 1) {
return $this->raiseError('channel-add: no channel file specified');
}
if (strpos($params[0], '://')) {
$downloader = &$this->getDownloader();
if (!class_exists('System')) {
require_once 'System.php';
}
$tmpdir = System::mktemp(array('-d'));
PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
$loc = $downloader->downloadHttp($params[0], $this->ui, $tmpdir, null, false);
PEAR::staticPopErrorHandling();
if (PEAR::isError($loc)) {
return $this->raiseError('channel-add: Cannot open "' . $params[0] . '"');
} else {
list($loc, $lastmodified) = $loc;
$contents = implode('', file($loc));
}
} else {
$lastmodified = $fp = false;
if (file_exists($params[0])) {
$fp = fopen($params[0], 'r');
}
if (!$fp) {
return $this->raiseError('channel-add: cannot open "' . $params[0] . '"');
}
$contents = '';
while (!feof($fp)) {
$contents .= fread($fp, 1024);
}
fclose($fp);
}
if (!class_exists('PEAR_ChannelFile')) {
require_once 'PEAR/ChannelFile.php';
}
$channel = new PEAR_ChannelFile;
PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
$result = $channel->fromXmlString($contents);
PEAR::staticPopErrorHandling();
if (!$result) {
$exit = false;
if (count($errors = $channel->getErrors(true))) {
foreach ($errors as $error) {
$this->ui->outputData(ucfirst($error['level'] . ': ' . $error['message']));
if (!$exit) {
$exit = $error['level'] == 'error' ? true : false;
}
}
if ($exit) {
return $this->raiseError('channel-add: invalid channel.xml file');
}
}
}
$reg = &$this->config->getRegistry();
if ($reg->channelExists($channel->getName())) {
return $this->raiseError('channel-add: Channel "' . $channel->getName() .
'" exists, use channel-update to update entry');
}
$ret = $reg->addChannel($channel, $lastmodified);
if (PEAR::isError($ret)) {
return $ret;
}
if (!$ret) {
return $this->raiseError('channel-add: adding Channel "' . $channel->getName() .
'" to registry failed');
}
$this->config->setChannels($reg->listChannels());
$this->config->writeConfigFile();
$this->ui->outputData('Adding Channel "' . $channel->getName() . '" succeeded', $command);
}
 
function doUpdate($command, $options, $params)
{
if (!class_exists('System')) {
require_once 'System.php';
}
$tmpdir = System::mktemp(array('-d'));
$reg = &$this->config->getRegistry();
if (sizeof($params) != 1) {
return $this->raiseError("No channel file specified");
}
$lastmodified = false;
if ((!file_exists($params[0]) || is_dir($params[0]))
&& $reg->channelExists(strtolower($params[0]))) {
$c = $reg->getChannel(strtolower($params[0]));
if (PEAR::isError($c)) {
return $this->raiseError($c);
}
$this->ui->outputData('Retrieving channel.xml from remote server');
$dl = &$this->getDownloader(array());
// if force is specified, use a timestamp of "1" to force retrieval
$lastmodified = isset($options['force']) ? false : $c->lastModified();
PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
$contents = $dl->downloadHttp('http://' . $c->getName() . '/channel.xml',
$this->ui, $tmpdir, null, $lastmodified);
PEAR::staticPopErrorHandling();
if (PEAR::isError($contents)) {
return $this->raiseError('Cannot retrieve channel.xml for channel "' .
$c->getName() . '"');
}
list($contents, $lastmodified) = $contents;
if (!$contents) {
$this->ui->outputData("Channel $params[0] channel.xml is up to date");
return;
}
$contents = implode('', file($contents));
if (!class_exists('PEAR_ChannelFile')) {
require_once 'PEAR/ChannelFile.php';
}
$channel = new PEAR_ChannelFile;
$channel->fromXmlString($contents);
if (!$channel->getErrors()) {
// security check: is the downloaded file for the channel we got it from?
if (strtolower($channel->getName()) != strtolower($c->getName())) {
if (isset($options['force'])) {
$this->ui->log(0, 'WARNING: downloaded channel definition file' .
' for channel "' . $channel->getName() . '" from channel "' .
strtolower($c->getName()) . '"');
} else {
return $this->raiseError('ERROR: downloaded channel definition file' .
' for channel "' . $channel->getName() . '" from channel "' .
strtolower($c->getName()) . '"');
}
}
}
} else {
if (strpos($params[0], '://')) {
$dl = &$this->getDownloader();
PEAR::staticPushErrorHandling(PEAR_ERROR_RETURN);
$loc = $dl->downloadHttp($params[0],
$this->ui, $tmpdir, null, $lastmodified);
PEAR::staticPopErrorHandling();
if (PEAR::isError($loc)) {
return $this->raiseError("Cannot open " . $params[0]);
} else {
list($loc, $lastmodified) = $loc;
$contents = implode('', file($loc));
}
} else {
$fp = false;
if (file_exists($params[0])) {
$fp = fopen($params[0], 'r');
}
if (!$fp) {
return $this->raiseError("Cannot open " . $params[0]);
}
$contents = '';
while (!feof($fp)) {
$contents .= fread($fp, 1024);
}
fclose($fp);
}
if (!class_exists('PEAR_ChannelFile')) {
require_once 'PEAR/ChannelFile.php';
}
$channel = new PEAR_ChannelFile;
$channel->fromXmlString($contents);
}
$exit = false;
if (count($errors = $channel->getErrors(true))) {
foreach ($errors as $error) {
$this->ui->outputData(ucfirst($error['level'] . ': ' . $error['message']));
if (!$exit) {
$exit = $error['level'] == 'error' ? true : false;
}
}
if ($exit) {
return $this->raiseError('Invalid channel.xml file');
}
}
if (!$reg->channelExists($channel->getName())) {
return $this->raiseError('Error: Channel "' . $channel->getName() .
'" does not exist, use channel-add to add an entry');
}
$ret = $reg->updateChannel($channel, $lastmodified);
if (PEAR::isError($ret)) {
return $ret;
}
if (!$ret) {
return $this->raiseError('Updating Channel "' . $channel->getName() .
'" in registry failed');
}
$this->config->setChannels($reg->listChannels());
$this->config->writeConfigFile();
$this->ui->outputData('Update of Channel "' . $channel->getName() . '" succeeded');
}
 
function &getDownloader()
{
if (!class_exists('PEAR_Downloader')) {
require_once 'PEAR/Downloader.php';
}
$a = new PEAR_Downloader($this->ui, array(), $this->config);
return $a;
}
 
function doAlias($command, $options, $params)
{
$reg = &$this->config->getRegistry();
if (sizeof($params) == 1) {
return $this->raiseError('No channel alias specified');
}
if (sizeof($params) != 2) {
return $this->raiseError(
'Invalid format, correct is: channel-alias channel alias');
}
if (!$reg->channelExists($params[0], true)) {
if ($reg->isAlias($params[0])) {
$extra = ' (use "channel-alias ' . $reg->channelName($params[0]) . ' ' .
strtolower($params[1]) . '")';
} else {
$extra = '';
}
return $this->raiseError('"' . $params[0] . '" is not a valid channel' . $extra);
}
if ($reg->isAlias($params[1])) {
return $this->raiseError('Channel "' . $reg->channelName($params[1]) . '" is ' .
'already aliased to "' . strtolower($params[1]) . '", cannot re-alias');
}
$chan = &$reg->getChannel($params[0]);
if (PEAR::isError($chan)) {
return $this->raiseError('Corrupt registry? Error retrieving channel "' . $params[0] .
'" information (' . $chan->getMessage() . ')');
}
// make it a local alias
if (!$chan->setAlias(strtolower($params[1]), true)) {
return $this->raiseError('Alias "' . strtolower($params[1]) .
'" is not a valid channel alias');
}
$reg->updateChannel($chan);
$this->ui->outputData('Channel "' . $chan->getName() . '" aliased successfully to "' .
strtolower($params[1]) . '"');
}
 
function doDiscover($command, $options, $params)
{
$reg = &$this->config->getRegistry();
if (sizeof($params) != 1) {
return $this->raiseError("No channel server specified");
}
if ($reg->channelExists($params[0])) {
if ($reg->isAlias($params[0])) {
return $this->raiseError("A channel alias named \"$params[0]\" " .
'already exists, aliasing channel "' . $reg->channelName($params[0])
. '"');
} else {
return $this->raiseError("Channel \"$params[0]\" is already initialized");
}
}
$this->pushErrorHandling(PEAR_ERROR_RETURN);
$err = $this->doAdd($command, $options, array('http://' . $params[0] . '/channel.xml'));
$this->popErrorHandling();
if (PEAR::isError($err)) {
return $this->raiseError("Discovery of channel \"$params[0]\" failed (" .
$err->getMessage() . ')');
}
$this->ui->outputData("Discovery of channel \"$params[0]\" succeeded", $command);
}
}
?>