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<?php
//
// +----------------------------------------------------------------------+
// | PHP Version 5 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2004 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 3.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available through the world-wide-web at the following url: |
// | 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 world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Author: Stig Bakken <ssb@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: Config.php,v 1.52 2004/01/08 17:33:12 sniper Exp $
require_once 'PEAR.php';
require_once 'System.php';
/**
* Last created PEAR_Config instance.
* @var object
*/
$GLOBALS['_PEAR_Config_instance'] = null;
if (!defined('PEAR_INSTALL_DIR') || !PEAR_INSTALL_DIR) {
$PEAR_INSTALL_DIR = PHP_LIBDIR . DIRECTORY_SEPARATOR . 'pear';
} else {
$PEAR_INSTALL_DIR = PEAR_INSTALL_DIR;
}
// Below we define constants with default values for all configuration
// parameters except username/password. All of them can have their
// defaults set through environment variables. The reason we use the
// PHP_ prefix is for some security, PHP protects environment
// variables starting with PHP_*.
if (getenv('PHP_PEAR_SYSCONF_DIR')) {
define('PEAR_CONFIG_SYSCONFDIR', getenv('PHP_PEAR_SYSCONF_DIR'));
} elseif (getenv('SystemRoot')) {
define('PEAR_CONFIG_SYSCONFDIR', getenv('SystemRoot'));
} else {
define('PEAR_CONFIG_SYSCONFDIR', PHP_SYSCONFDIR);
}
// Default for master_server
if (getenv('PHP_PEAR_MASTER_SERVER')) {
define('PEAR_CONFIG_DEFAULT_MASTER_SERVER', getenv('PHP_PEAR_MASTER_SERVER'));
} else {
define('PEAR_CONFIG_DEFAULT_MASTER_SERVER', 'pear.php.net');
}
// Default for http_proxy
if (getenv('PHP_PEAR_HTTP_PROXY')) {
define('PEAR_CONFIG_DEFAULT_HTTP_PROXY', getenv('PHP_PEAR_HTTP_PROXY'));
} elseif (getenv('http_proxy')) {
define('PEAR_CONFIG_DEFAULT_HTTP_PROXY', getenv('http_proxy'));
} else {
define('PEAR_CONFIG_DEFAULT_HTTP_PROXY', '');
}
// Default for php_dir
if (getenv('PHP_PEAR_INSTALL_DIR')) {
define('PEAR_CONFIG_DEFAULT_PHP_DIR', getenv('PHP_PEAR_INSTALL_DIR'));
} else {
if (@is_dir($PEAR_INSTALL_DIR)) {
define('PEAR_CONFIG_DEFAULT_PHP_DIR',
$PEAR_INSTALL_DIR);
} else {
define('PEAR_CONFIG_DEFAULT_PHP_DIR', $PEAR_INSTALL_DIR);
}
}
// Default for ext_dir
if (getenv('PHP_PEAR_EXTENSION_DIR')) {
define('PEAR_CONFIG_DEFAULT_EXT_DIR', getenv('PHP_PEAR_EXTENSION_DIR'));
} else {
if (ini_get('extension_dir')) {
define('PEAR_CONFIG_DEFAULT_EXT_DIR', ini_get('extension_dir'));
} elseif (defined('PEAR_EXTENSION_DIR') && @is_dir(PEAR_EXTENSION_DIR)) {
define('PEAR_CONFIG_DEFAULT_EXT_DIR', PEAR_EXTENSION_DIR);
} elseif (defined('PHP_EXTENSION_DIR')) {
define('PEAR_CONFIG_DEFAULT_EXT_DIR', PHP_EXTENSION_DIR);
} else {
define('PEAR_CONFIG_DEFAULT_EXT_DIR', '.');
}
}
// Default for doc_dir
if (getenv('PHP_PEAR_DOC_DIR')) {
define('PEAR_CONFIG_DEFAULT_DOC_DIR', getenv('PHP_PEAR_DOC_DIR'));
} else {
define('PEAR_CONFIG_DEFAULT_DOC_DIR',
$PEAR_INSTALL_DIR.DIRECTORY_SEPARATOR.'docs');
}
// Default for bin_dir
if (getenv('PHP_PEAR_BIN_DIR')) {
define('PEAR_CONFIG_DEFAULT_BIN_DIR', getenv('PHP_PEAR_BIN_DIR'));
} else {
define('PEAR_CONFIG_DEFAULT_BIN_DIR', PHP_BINDIR);
}
// Default for data_dir
if (getenv('PHP_PEAR_DATA_DIR')) {
define('PEAR_CONFIG_DEFAULT_DATA_DIR', getenv('PHP_PEAR_DATA_DIR'));
} else {
define('PEAR_CONFIG_DEFAULT_DATA_DIR',
$PEAR_INSTALL_DIR.DIRECTORY_SEPARATOR.'data');
}
// Default for test_dir
if (getenv('PHP_PEAR_TEST_DIR')) {
define('PEAR_CONFIG_DEFAULT_TEST_DIR', getenv('PHP_PEAR_TEST_DIR'));
} else {
define('PEAR_CONFIG_DEFAULT_TEST_DIR',
$PEAR_INSTALL_DIR.DIRECTORY_SEPARATOR.'tests');
}
// Default for cache_dir
if (getenv('PHP_PEAR_CACHE_DIR')) {
define('PEAR_CONFIG_DEFAULT_CACHE_DIR', getenv('PHP_PEAR_CACHE_DIR'));
} else {
define('PEAR_CONFIG_DEFAULT_CACHE_DIR',
System::tmpdir() . DIRECTORY_SEPARATOR . 'pear' .
DIRECTORY_SEPARATOR . 'cache');
}
// Default for php_bin
if (getenv('PHP_PEAR_PHP_BIN')) {
define('PEAR_CONFIG_DEFAULT_PHP_BIN', getenv('PHP_PEAR_PHP_BIN'));
} else {
define('PEAR_CONFIG_DEFAULT_PHP_BIN', PEAR_CONFIG_DEFAULT_BIN_DIR.
DIRECTORY_SEPARATOR.'php'.(OS_WINDOWS ? '.exe' : ''));
}
// Default for verbose
if (getenv('PHP_PEAR_VERBOSE')) {
define('PEAR_CONFIG_DEFAULT_VERBOSE', getenv('PHP_PEAR_VERBOSE'));
} else {
define('PEAR_CONFIG_DEFAULT_VERBOSE', 1);
}
// Default for preferred_state
if (getenv('PHP_PEAR_PREFERRED_STATE')) {
define('PEAR_CONFIG_DEFAULT_PREFERRED_STATE', getenv('PHP_PEAR_PREFERRED_STATE'));
} else {
define('PEAR_CONFIG_DEFAULT_PREFERRED_STATE', 'stable');
}
// Default for umask
if (getenv('PHP_PEAR_UMASK')) {
define('PEAR_CONFIG_DEFAULT_UMASK', getenv('PHP_PEAR_UMASK'));
} else {
define('PEAR_CONFIG_DEFAULT_UMASK', decoct(umask()));
}
// Default for cache_ttl
if (getenv('PHP_PEAR_CACHE_TTL')) {
define('PEAR_CONFIG_DEFAULT_CACHE_TTL', getenv('PHP_PEAR_CACHE_TTL'));
} else {
define('PEAR_CONFIG_DEFAULT_CACHE_TTL', 3600);
}
// Default for sig_type
if (getenv('PHP_PEAR_SIG_TYPE')) {
define('PEAR_CONFIG_DEFAULT_SIG_TYPE', getenv('PHP_PEAR_SIG_TYPE'));
} else {
define('PEAR_CONFIG_DEFAULT_SIG_TYPE', 'gpg');
}
// Default for sig_bin
if (getenv('PHP_PEAR_SIG_BIN')) {
define('PEAR_CONFIG_DEFAULT_SIG_BIN', getenv('PHP_PEAR_SIG_BIN'));
} else {
define('PEAR_CONFIG_DEFAULT_SIG_BIN',
System::which(
'gpg', OS_WINDOWS ? 'c:\gnupg\gpg.exe' : '/usr/local/bin/gpg'));
}
// Default for sig_keydir
if (getenv('PHP_PEAR_SIG_KEYDIR')) {
define('PEAR_CONFIG_DEFAULT_SIG_KEYDIR', getenv('PHP_PEAR_SIG_KEYDIR'));
} else {
define('PEAR_CONFIG_DEFAULT_SIG_KEYDIR',
PEAR_CONFIG_SYSCONFDIR . DIRECTORY_SEPARATOR . 'pearkeys');
}
/**
* This is a class for storing configuration data, keeping track of
* which are system-defined, user-defined or defaulted.
*/
class PEAR_Config extends PEAR
{
// {{{ properties
/**
* Array of config files used.
*
* @var array layer => config file
*/
var $files = array(
'system' => '',
'user' => '',
);
var $layers = array();
/**
* Configuration data, two-dimensional array where the first
* dimension is the config layer ('user', 'system' and 'default'),
* and the second dimension is keyname => value.
*
* The order in the first dimension is important! Earlier
* layers will shadow later ones when a config value is
* requested (if a 'user' value exists, it will be returned first,
* then 'system' and finally 'default').
*
* @var array layer => array(keyname => value, ...)
*/
var $configuration = array(
'user' => array(),
'system' => array(),
'default' => array(),
);
/**
* Information about the configuration data. Stores the type,
* default value and a documentation string for each configuration
* value.
*
* @var array layer => array(infotype => value, ...)
*/
var $configuration_info = array(
// Internet Access
'master_server' => array(
'type' => 'string',
'default' => 'pear.php.net',
'doc' => 'name of the main PEAR server',
'prompt' => 'PEAR server',
'group' => 'Internet Access',
),
'http_proxy' => array(
'type' => 'string',
'default' => PEAR_CONFIG_DEFAULT_HTTP_PROXY,
'doc' => 'HTTP proxy (host:port) to use when downloading packages',
'prompt' => 'HTTP Proxy Server Address',
'group' => 'Internet Access',
),
// File Locations
'php_dir' => array(
'type' => 'directory',
'default' => PEAR_CONFIG_DEFAULT_PHP_DIR,
'doc' => 'directory where .php files are installed',
'prompt' => 'PEAR directory',
'group' => 'File Locations',
),
'ext_dir' => array(
'type' => 'directory',
'default' => PEAR_CONFIG_DEFAULT_EXT_DIR,
'doc' => 'directory where loadable extensions are installed',
'prompt' => 'PHP extension directory',
'group' => 'File Locations',
),
'doc_dir' => array(
'type' => 'directory',
'default' => PEAR_CONFIG_DEFAULT_DOC_DIR,
'doc' => 'directory where documentation is installed',
'prompt' => 'PEAR documentation directory',
'group' => 'File Locations',
),
'bin_dir' => array(
'type' => 'directory',
'default' => PEAR_CONFIG_DEFAULT_BIN_DIR,
'doc' => 'directory where executables are installed',
'prompt' => 'PEAR executables directory',
'group' => 'File Locations',
),
'data_dir' => array(
'type' => 'directory',
'default' => PEAR_CONFIG_DEFAULT_DATA_DIR,
'doc' => 'directory where data files are installed',
'prompt' => 'PEAR data directory',
'group' => 'File Locations (Advanced)',
),
'test_dir' => array(
'type' => 'directory',
'default' => PEAR_CONFIG_DEFAULT_TEST_DIR,
'doc' => 'directory where regression tests are installed',
'prompt' => 'PEAR test directory',
'group' => 'File Locations (Advanced)',
),
'cache_dir' => array(
'type' => 'directory',
'default' => PEAR_CONFIG_DEFAULT_CACHE_DIR,
'doc' => 'directory which is used for XMLRPC cache',
'prompt' => 'PEAR Installer cache directory',
'group' => 'File Locations (Advanced)',
),
'php_bin' => array(
'type' => 'file',
'default' => PEAR_CONFIG_DEFAULT_PHP_BIN,
'doc' => 'PHP CLI/CGI binary for executing scripts',
'prompt' => 'PHP CLI/CGI binary',
'group' => 'File Locations (Advanced)',
),
// Maintainers
'username' => array(
'type' => 'string',
'default' => '',
'doc' => '(maintainers) your PEAR account name',
'prompt' => 'PEAR username (for maintainers)',
'group' => 'Maintainers',
),
'password' => array(
'type' => 'password',
'default' => '',
'doc' => '(maintainers) your PEAR account password',
'prompt' => 'PEAR password (for maintainers)',
'group' => 'Maintainers',
),
// Advanced
'verbose' => array(
'type' => 'integer',
'default' => PEAR_CONFIG_DEFAULT_VERBOSE,
'doc' => 'verbosity level
0: really quiet
1: somewhat quiet
2: verbose
3: debug',
'prompt' => 'Debug Log Level',
'group' => 'Advanced',
),
'preferred_state' => array(
'type' => 'set',
'default' => PEAR_CONFIG_DEFAULT_PREFERRED_STATE,
'doc' => 'the installer will prefer releases with this state when installing packages without a version or state specified',
'valid_set' => array(
'stable', 'beta', 'alpha', 'devel', 'snapshot'),
'prompt' => 'Preferred Package State',
'group' => 'Advanced',
),
'umask' => array(
'type' => 'mask',
'default' => PEAR_CONFIG_DEFAULT_UMASK,
'doc' => 'umask used when creating files (Unix-like systems only)',
'prompt' => 'Unix file mask',
'group' => 'Advanced',
),
'cache_ttl' => array(
'type' => 'integer',
'default' => PEAR_CONFIG_DEFAULT_CACHE_TTL,
'doc' => 'amount of secs where the local cache is used and not updated',
'prompt' => 'Cache TimeToLive',
'group' => 'Advanced',
),
'sig_type' => array(
'type' => 'set',
'default' => PEAR_CONFIG_DEFAULT_SIG_TYPE,
'doc' => 'which package signature mechanism to use',
'valid_set' => array('gpg'),
'prompt' => 'Package Signature Type',
'group' => 'Maintainers',
),
'sig_bin' => array(
'type' => 'string',
'default' => PEAR_CONFIG_DEFAULT_SIG_BIN,
'doc' => 'which package signature mechanism to use',
'prompt' => 'Signature Handling Program',
'group' => 'Maintainers',
),
'sig_keyid' => array(
'type' => 'string',
'default' => '',
'doc' => 'which key to use for signing with',
'prompt' => 'Signature Key Id',
'group' => 'Maintainers',
),
'sig_keydir' => array(
'type' => 'string',
'default' => PEAR_CONFIG_DEFAULT_SIG_KEYDIR,
'doc' => 'which package signature mechanism to use',
'prompt' => 'Signature Key Directory',
'group' => 'Maintainers',
),
);
// }}}
// {{{ PEAR_Config([file], [defaults_file])
/**
* Constructor.
*
* @param string (optional) file to read user-defined options from
* @param string (optional) file to read system-wide defaults from
*
* @access public
*
* @see PEAR_Config::singleton
*/
function PEAR_Config($user_file = '', $system_file = '')
{
$this->PEAR();
$sl = DIRECTORY_SEPARATOR;
if (empty($user_file)) {
if (OS_WINDOWS) {
$user_file = PEAR_CONFIG_SYSCONFDIR . $sl . 'pear.ini';
} else {
$user_file = getenv('HOME') . $sl . '.pearrc';
}
}
if (empty($system_file)) {
if (OS_WINDOWS) {
$system_file = PEAR_CONFIG_SYSCONFDIR . $sl . 'pearsys.ini';
} else {
$system_file = PEAR_CONFIG_SYSCONFDIR . $sl . 'pear.conf';
}
}
$this->layers = array_keys($this->configuration);
$this->files['user'] = $user_file;
$this->files['system'] = $system_file;
if ($user_file && file_exists($user_file)) {
$this->readConfigFile($user_file);
}
if ($system_file && file_exists($system_file)) {
$this->mergeConfigFile($system_file, false, 'system');
}
foreach ($this->configuration_info as $key => $info) {
$this->configuration['default'][$key] = $info['default'];
}
//$GLOBALS['_PEAR_Config_instance'] = &$this;
}
// }}}
// {{{ singleton([file], [defaults_file])
/**
* Static singleton method. If you want to keep only one instance
* of this class in use, this method will give you a reference to
* the last created PEAR_Config object if one exists, or create a
* new object.
*
* @param string (optional) file to read user-defined options from
* @param string (optional) file to read system-wide defaults from
*
* @return object an existing or new PEAR_Config instance
*
* @access public
*
* @see PEAR_Config::PEAR_Config
*/
function &singleton($user_file = '', $system_file = '')
{
if (is_object($GLOBALS['_PEAR_Config_instance'])) {
return $GLOBALS['_PEAR_Config_instance'];
}
$GLOBALS['_PEAR_Config_instance'] =
&new PEAR_Config($user_file, $system_file);
return $GLOBALS['_PEAR_Config_instance'];
}
// }}}
// {{{ readConfigFile([file], [layer])
/**
* Reads configuration data from a file. All existing values in
* the config layer are discarded and replaced with data from the
* file.
*
* @param string (optional) file to read from, if NULL or not
* specified, the last-used file for the same layer (second param)
* is used
*
* @param string (optional) config layer to insert data into
* ('user' or 'system')
*
* @return bool TRUE on success or a PEAR error on failure
*
* @access public
*/
function readConfigFile($file = null, $layer = 'user')
{
if (empty($this->files[$layer])) {
return $this->raiseError("unknown config file type `$layer'");
}
if ($file === null) {
$file = $this->files[$layer];
}
$data = $this->_readConfigDataFrom($file);
if (PEAR::isError($data)) {
return $data;
}
$this->_decodeInput($data);
$this->configuration[$layer] = $data;
return true;
}
// }}}
// {{{ mergeConfigFile(file, [override], [layer])
/**
* Merges data into a config layer from a file. Does the same
* thing as readConfigFile, except it does not replace all
* existing values in the config layer.
*
* @param string file to read from
*
* @param bool (optional) whether to overwrite existing data
* (default TRUE)
*
* @param string config layer to insert data into ('user' or
* 'system')
*
* @return bool TRUE on success or a PEAR error on failure
*
* @access public.
*/
function mergeConfigFile($file, $override = true, $layer = 'user')
{
if (empty($this->files[$layer])) {
return $this->raiseError("unknown config file type `$layer'");
}
if ($file === null) {
$file = $this->files[$layer];
}
$data = $this->_readConfigDataFrom($file);
if (PEAR::isError($data)) {
return $data;
}
$this->_decodeInput($data);
if ($override) {
$this->configuration[$layer] = array_merge($this->configuration[$layer], $data);
} else {
$this->configuration[$layer] = array_merge($data, $this->configuration[$layer]);
}
return true;
}
// }}}
// {{{ writeConfigFile([file], [layer])
/**
* Writes data into a config layer from a file.
*
* @param string file to read from
*
* @param bool (optional) whether to overwrite existing data
* (default TRUE)
*
* @param string config layer to insert data into ('user' or
* 'system')
*
* @return bool TRUE on success or a PEAR error on failure
*
* @access public.
*/
function writeConfigFile($file = null, $layer = 'user', $data = null)
{
if ($layer == 'both' || $layer == 'all') {
foreach ($this->files as $type => $file) {
$err = $this->writeConfigFile($file, $type, $data);
if (PEAR::isError($err)) {
return $err;
}
}
return true;
}
if (empty($this->files[$layer])) {
return $this->raiseError("unknown config file type `$layer'");
}
if ($file === null) {
$file = $this->files[$layer];
}
$data = ($data === null) ? $this->configuration[$layer] : $data;
$this->_encodeOutput($data);
$opt = array('-p', dirname($file));
if (!@System::mkDir($opt)) {
return $this->raiseError("could not create directory: " . dirname($file));
}
if (@is_file($file) && !@is_writeable($file)) {
return $this->raiseError("no write access to $file!");
}
$fp = @fopen($file, "w");
if (!$fp) {
return $this->raiseError("PEAR_Config::writeConfigFile fopen('$file','w') failed");
}
$contents = "#PEAR_Config 0.9\n" . serialize($data);
if (!@fwrite($fp, $contents)) {
return $this->raiseError("PEAR_Config::writeConfigFile: fwrite failed");
}
return true;
}
// }}}
// {{{ _readConfigDataFrom(file)
/**
* Reads configuration data from a file and returns the parsed data
* in an array.
*
* @param string file to read from
*
* @return array configuration data or a PEAR error on failure
*
* @access private
*/
function _readConfigDataFrom($file)
{
$fp = @fopen($file, "r");
if (!$fp) {
return $this->raiseError("PEAR_Config::readConfigFile fopen('$file','r') failed");
}
$size = filesize($file);
$rt = get_magic_quotes_runtime();
set_magic_quotes_runtime(0);
$contents = fread($fp, $size);
set_magic_quotes_runtime($rt);
fclose($fp);
$version = '0.1';
if (preg_match('/^#PEAR_Config\s+(\S+)\s+/si', $contents, $matches)) {
$version = $matches[1];
$contents = substr($contents, strlen($matches[0]));
}
if (version_compare("$version", '1', '<')) {
$data = unserialize($contents);
if (!is_array($data)) {
if (strlen(trim($contents)) > 0) {
$error = "PEAR_Config: bad data in $file";
// if (isset($this)) {
return $this->raiseError($error);
// } else {
// return PEAR::raiseError($error);
} else {
$data = array();
}
}
// add parsing of newer formats here...
} else {
return $this->raiseError("$file: unknown version `$version'");
}
return $data;
}
// }}}
// {{{ getConfFile(layer)
/**
* Gets the file used for storing the config for a layer
*
* @param string $layer 'user' or 'system'
*/
function getConfFile($layer)
{
return $this->files[$layer];
}
// }}}
// {{{ _encodeOutput(&data)
/**
* Encodes/scrambles configuration data before writing to files.
* Currently, 'password' values will be base64-encoded as to avoid
* that people spot cleartext passwords by accident.
*
* @param array (reference) array to encode values in
*
* @return bool TRUE on success
*
* @access private
*/
function _encodeOutput(&$data)
{
foreach ($data as $key => $value) {
if (!isset($this->configuration_info[$key])) {
continue;
}
$type = $this->configuration_info[$key]['type'];
switch ($type) {
// we base64-encode passwords so they are at least
// not shown in plain by accident
case 'password': {
$data[$key] = base64_encode($data[$key]);
break;
}
case 'mask': {
$data[$key] = octdec($data[$key]);
break;
}
}
}
return true;
}
// }}}
// {{{ _decodeInput(&data)
/**
* Decodes/unscrambles configuration data after reading from files.
*
* @param array (reference) array to encode values in
*
* @return bool TRUE on success
*
* @access private
*
* @see PEAR_Config::_encodeOutput
*/
function _decodeInput(&$data)
{
if (!is_array($data)) {
return true;
}
foreach ($data as $key => $value) {
if (!isset($this->configuration_info[$key])) {
continue;
}
$type = $this->configuration_info[$key]['type'];
switch ($type) {
case 'password': {
$data[$key] = base64_decode($data[$key]);
break;
}
case 'mask': {
$data[$key] = decoct($data[$key]);
break;
}
}
}
return true;
}
// }}}
// {{{ get(key, [layer])
/**
* Returns a configuration value, prioritizing layers as per the
* layers property.
*
* @param string config key
*
* @return mixed the config value, or NULL if not found
*
* @access public
*/
function get($key, $layer = null)
{
if ($layer === null) {
foreach ($this->layers as $layer) {
if (isset($this->configuration[$layer][$key])) {
return $this->configuration[$layer][$key];
}
}
} elseif (isset($this->configuration[$layer][$key])) {
return $this->configuration[$layer][$key];
}
return null;
}
// }}}
// {{{ set(key, value, [layer])
/**
* Set a config value in a specific layer (defaults to 'user').
* Enforces the types defined in the configuration_info array. An
* integer config variable will be cast to int, and a set config
* variable will be validated against its legal values.
*
* @param string config key
*
* @param string config value
*
* @param string (optional) config layer
*
* @return bool TRUE on success, FALSE on failure
*
* @access public
*/
function set($key, $value, $layer = 'user')
{
if (empty($this->configuration_info[$key])) {
return false;
}
extract($this->configuration_info[$key]);
switch ($type) {
case 'integer':
$value = (int)$value;
break;
case 'set': {
// If a valid_set is specified, require the value to
// be in the set. If there is no valid_set, accept
// any value.
if ($valid_set) {
reset($valid_set);
if ((key($valid_set) === 0 && !in_array($value, $valid_set)) ||
(key($valid_set) !== 0 && empty($valid_set[$value])))
{
return false;
}
}
break;
}
}
$this->configuration[$layer][$key] = $value;
return true;
}
// }}}
// {{{ getType(key)
/**
* Get the type of a config value.
*
* @param string config key
*
* @return string type, one of "string", "integer", "file",
* "directory", "set" or "password".
*
* @access public
*
*/
function getType($key)
{
if (isset($this->configuration_info[$key])) {
return $this->configuration_info[$key]['type'];
}
return false;
}
// }}}
// {{{ getDocs(key)
/**
* Get the documentation for a config value.
*
* @param string config key
*
* @return string documentation string
*
* @access public
*
*/
function getDocs($key)
{
if (isset($this->configuration_info[$key])) {
return $this->configuration_info[$key]['doc'];
}
return false;
}
// }}}
// {{{ getPrompt(key)
/**
* Get the short documentation for a config value.
*
* @param string config key
*
* @return string short documentation string
*
* @access public
*
*/
function getPrompt($key)
{
if (isset($this->configuration_info[$key])) {
return $this->configuration_info[$key]['prompt'];
}
return false;
}
// }}}
// {{{ getGroup(key)
/**
* Get the parameter group for a config key.
*
* @param string config key
*
* @return string parameter group
*
* @access public
*
*/
function getGroup($key)
{
if (isset($this->configuration_info[$key])) {
return $this->configuration_info[$key]['group'];
}
return false;
}
// }}}
// {{{ getGroups()
/**
* Get the list of parameter groups.
*
* @return array list of parameter groups
*
* @access public
*
*/
function getGroups()
{
$tmp = array();
foreach ($this->configuration_info as $key => $info) {
$tmp[$info['group']] = 1;
}
return array_keys($tmp);
}
// }}}
// {{{ getGroupKeys()
/**
* Get the list of the parameters in a group.
*
* @param string $group parameter group
*
* @return array list of parameters in $group
*
* @access public
*
*/
function getGroupKeys($group)
{
$keys = array();
foreach ($this->configuration_info as $key => $info) {
if ($info['group'] == $group) {
$keys[] = $key;
}
}
return $keys;
}
// }}}
// {{{ getSetValues(key)
/**
* Get the list of allowed set values for a config value. Returns
* NULL for config values that are not sets.
*
* @param string config key
*
* @return array enumerated array of set values, or NULL if the
* config key is unknown or not a set
*
* @access public
*
*/
function getSetValues($key)
{
if (isset($this->configuration_info[$key]) &&
isset($this->configuration_info[$key]['type']) &&
$this->configuration_info[$key]['type'] == 'set')
{
$valid_set = $this->configuration_info[$key]['valid_set'];
reset($valid_set);
if (key($valid_set) === 0) {
return $valid_set;
}
return array_keys($valid_set);
}
return false;
}
// }}}
// {{{ getKeys()
/**
* Get all the current config keys.
*
* @return array simple array of config keys
*
* @access public
*/
function getKeys()
{
$keys = array();
foreach ($this->layers as $layer) {
$keys = array_merge($keys, $this->configuration[$layer]);
}
return array_keys($keys);
}
// }}}
// {{{ remove(key, [layer])
/**
* Remove the a config key from a specific config layer.
*
* @param string config key
*
* @param string (optional) config layer
*
* @return bool TRUE on success, FALSE on failure
*
* @access public
*/
function remove($key, $layer = 'user')
{
if (isset($this->configuration[$layer][$key])) {
unset($this->configuration[$layer][$key]);
return true;
}
return false;
}
// }}}
// {{{ removeLayer(layer)
/**
* Temporarily remove an entire config layer. USE WITH CARE!
*
* @param string config key
*
* @param string (optional) config layer
*
* @return bool TRUE on success, FALSE on failure
*
* @access public
*/
function removeLayer($layer)
{
if (isset($this->configuration[$layer])) {
$this->configuration[$layer] = array();
return true;
}
return false;
}
// }}}
// {{{ store([layer])
/**
* Stores configuration data in a layer.
*
* @param string config layer to store
*
* @return bool TRUE on success, or PEAR error on failure
*
* @access public
*/
function store($layer = 'user', $data = null)
{
return $this->writeConfigFile(null, $layer, $data);
}
// }}}
// {{{ toDefault(key)
/**
* Unset the user-defined value of a config key, reverting the
* value to the system-defined one.
*
* @param string config key
*
* @return bool TRUE on success, FALSE on failure
*
* @access public
*/
function toDefault($key)
{
trigger_error("PEAR_Config::toDefault() deprecated, use PEAR_Config::remove() instead", E_USER_NOTICE);
return $this->remove($key, 'user');
}
// }}}
// {{{ definedBy(key)
/**
* Tells what config layer that gets to define a key.
*
* @param string config key
*
* @return string the config layer, or an empty string if not found
*
* @access public
*/
function definedBy($key)
{
foreach ($this->layers as $layer) {
if (isset($this->configuration[$layer][$key])) {
return $layer;
}
}
return '';
}
// }}}
// {{{ isDefaulted(key)
/**
* Tells whether a config value has a system-defined value.
*
* @param string config key
*
* @return bool
*
* @access public
*
* @deprecated
*/
function isDefaulted($key)
{
trigger_error("PEAR_Config::isDefaulted() deprecated, use PEAR_Config::definedBy() instead", E_USER_NOTICE);
return $this->definedBy($key) == 'system';
}
// }}}
// {{{ isDefined(key)
/**
* Tells whether a given key exists as a config value.
*
* @param string config key
*
* @return bool whether <config key> exists in this object
*
* @access public
*/
function isDefined($key)
{
foreach ($this->layers as $layer) {
if (isset($this->configuration[$layer][$key])) {
return true;
}
}
return false;
}
// }}}
// {{{ isDefinedLayer(key)
/**
* Tells whether a given config layer exists.
*
* @param string config layer
*
* @return bool whether <config layer> exists in this object
*
* @access public
*/
function isDefinedLayer($layer)
{
return isset($this->configuration[$layer]);
}
// }}}
// {{{ getLayers()
/**
* Returns the layers defined (except the 'default' one)
*
* @return array of the defined layers
*/
function getLayers()
{
$cf = $this->configuration;
unset($cf['default']);
return array_keys($cf);
}
// }}}
}
?>
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