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- <?php
- /* vim: set expandtab tabstop=4 shiftwidth=4: */
- // +----------------------------------------------------------------------+
- // | PHP Version 4 |
- // +----------------------------------------------------------------------+
- // | Copyright (c) 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: Bertrand Mansion <bmansion@mamasam.com> |
- // +----------------------------------------------------------------------+
- //
- // $Id: Getargs.php,v 1.17 2005/04/08 07:11:37 wenz Exp $
-
- require_once 'PEAR.php';
-
- /**#@+
- * Error Constants
- */
- /**
- * Wrong configuration
- *
- * This error will be TRIGGERed when a configuration error is found,
- * it will also issue a WARNING.
- */
- define('CONSOLE_GETARGS_ERROR_CONFIG', -1);
-
- /**
- * User made an error
- *
- * This error will be RETURNed when a bad parameter
- * is found in the command line, for example an unknown parameter
- * or a parameter with an invalid number of options.
- */
- define('CONSOLE_GETARGS_ERROR_USER', -2);
-
- /**
- * Help text wanted
- *
- * This error will be RETURNed when the user asked to
- * see the help by using <kbd>-h</kbd> or <kbd>--help</kbd> in the command line, you can then print
- * the help ascii art text by using the {@link Console_Getargs::getHelp()} method
- */
- define('CONSOLE_GETARGS_HELP', -3);
-
- /**
- * Option name for application "parameters"
- *
- * Parameters are the options an application needs to function.
- * The two files passed to the diff command would be considered
- * the parameters. These are different from other options in that
- * they do not need an option name passed on the command line.
- */
- define('CONSOLE_GETARGS_PARAMS', 'parameters');
- /**#@-*/
-
- /**
- * Command-line arguments parsing class
- *
- * This implementation was freely inspired by a python module called
- * getargs by Vinod Vijayarajan and a perl CPAN module called
- * Getopt::Simple by Ron Savage
- *
- * This class implements a Command Line Parser that your cli applications
- * can use to parse command line arguments found in $_SERVER['argv'] or a
- * user defined array.
- *
- * It gives more flexibility and error checking than Console_Getopt. It also
- * performs some arguments validation and is capable to return a formatted
- * help text to the user, based on the configuration it is given.
- *
- * The class provides the following capabilities:
- * - Each command line option can take an arbitrary number of arguments.
- * - Makes the distinction between switches (options without arguments)
- * and options that require arguments.
- * - Recognizes 'single-argument-options' and 'default-if-set' options.
- * - Switches and options with arguments can be interleaved in the command
- * line.
- * - You can specify the maximum and minimum number of arguments an option
- * can take. Use -1 if you don't want to specify an upper bound.
- * - Specify the default arguments to an option
- * - Short options can be more than one letter in length.
- * - A given option may be invoked by multiple names (aliases).
- * - Understands by default the --help, -h options
- * - Can return a formatted help text
- * - Arguments may be specified using the '=' syntax also.
- * - Short option names may be concatenated (-dvw 100 == -d -v -w 100)
- * - Can define a default option that will take any arguments added without
- * an option name
- * - Can pass in a user defined array of arguments instead of using
- * $_SERVER['argv']
- *
- * @todo Implement the parsing of comma delimited arguments
- * @todo Implement method for turning assocative arrays into command
- * line arguments (ex. array('d' => true, 'v' => 2) -->
- * array('-d', '-v', 2))
- *
- * @author Bertrand Mansion <bmansion@mamasam.com>
- * @copyright 2004
- * @license http://www.php.net/license/3_0.txt PHP License 3.0
- * @version @VER@
- * @package Console_Getargs
- */
- class Console_Getargs
- {
- /**
- * Factory creates a new {@link Console_Getargs_Options} object
- *
- * This method will return a new {@link Console_Getargs_Options}
- * built using the given configuration options. If the configuration
- * or the command line options contain errors, the returned object will
- * in fact be a PEAR_Error explaining the cause of the error.
- *
- * Factory expects an array as parameter.
- * The format for this array is:
- * <pre>
- * array(
- * longname => array('short' => Short option name,
- * 'max' => Maximum arguments for option,
- * 'min' => Minimum arguments for option,
- * 'default' => Default option argument,
- * 'desc' => Option description)
- * )
- * </pre>
- *
- * If an option can be invoked by more than one name, they have to be defined
- * by using | as a separator. For example: name1|name2
- * This works both in long and short names.
- *
- * max/min are the most/least number of arguments an option accepts.
- *
- * The 'defaults' field is optional and is used to specify default
- * arguments to an option. These will be assigned to the option if
- * it is *not* used in the command line.
- * Default arguments can be:
- * - a single value for options that require a single argument,
- * - an array of values for options with more than one possible arguments.
- * Default argument(s) are mandatory for 'default-if-set' options.
- *
- * If max is 0 (option is just a switch), min is ignored.
- * If max is -1, then the option can have an unlimited number of arguments
- * greater or equal to min.
- *
- * If max == min == 1, the option is treated as a single argument option.
- *
- * If max >= 1 and min == 0, the option is treated as a
- * 'default-if-set' option. This implies that it will get the default argument
- * only if the option is used in the command line without any value.
- * (Note: defaults *must* be specified for 'default-if-set' options)
- *
- * If the option is not in the command line, the defaults are
- * *not* applied. If an argument for the option is specified on the command
- * line, then the given argument is assigned to the option.
- * Thus:
- * - a --debug in the command line would cause debug = 'default argument'
- * - a --debug 2 in the command line would result in debug = 2
- * if not used in the command line, debug will not be defined.
- *
- * Example 1.
- * <code>
- * require_once 'Console_Getargs.php';
- *
- * $args =& Console_Getargs::factory($config);
- *
- * if (PEAR::isError($args)) {
- * if ($args->getCode() === CONSOLE_GETARGS_ERROR_USER) {
- * echo Console_Getargs::getHelp($config, null, $args->getMessage())."\n";
- * } else if ($args->getCode() === CONSOLE_GETARGS_HELP) {
- * echo Console_Getargs::getHelp($config)."\n";
- * }
- * exit;
- * }
- *
- * echo 'Verbose: '.$args->getValue('verbose')."\n";
- * if ($args->isDefined('bs')) {
- * echo 'Block-size: '.(is_array($args->getValue('bs')) ? implode(', ', $args->getValue('bs'))."\n" : $args->getValue('bs')."\n");
- * } else {
- * echo "Block-size: undefined\n";
- * }
- * echo 'Files: '.($args->isDefined('file') ? implode(', ', $args->getValue('file'))."\n" : "undefined\n");
- * if ($args->isDefined('n')) {
- * echo 'Nodes: '.(is_array($args->getValue('n')) ? implode(', ', $args->getValue('n'))."\n" : $args->getValue('n')."\n");
- * } else {
- * echo "Nodes: undefined\n";
- * }
- * echo 'Log: '.$args->getValue('log')."\n";
- * echo 'Debug: '.($args->isDefined('d') ? "YES\n" : "NO\n");
- *
- * </code>
- *
- * If you don't want to require any option name for a set of arguments,
- * or if you would like any "leftover" arguments assigned by default,
- * you can create an option named CONSOLE_GETARGS_PARAMS that will
- * grab any arguments that cannot be assigned to another option. The
- * rules for CONSOLE_GETARGS_PARAMS are still the same. If you specify
- * that two values must be passed then two values must be passed. See
- * the example script for a complete example.
- *
- * @param array $config associative array with keys being the
- * options long name
- * @param array $arguments numeric array of command line arguments
- * @access public
- * @return object|PEAR_Error a newly created Console_Getargs_Options
- * object or a PEAR_Error object on error
- */
- function &factory($config = array(), $arguments = NULL)
- {
- // Create the options object.
- $obj =& new Console_Getargs_Options();
-
- // Try to set up the arguments.
- $err = $obj->init($config, $arguments);
- if ($err !== true) {
- return $err;
- }
-
- // Try to set up the options.
- $err = $obj->buildMaps();
- if ($err !== true) {
- return $err;
- }
-
- // Get the options and arguments from the command line.
- $err = $obj->parseArgs();
- if ($err !== true) {
- return $err;
- }
-
- // Set arguments for options that have defaults.
- $err = $obj->setDefaults();
- if ($err !== true) {
- return $err;
- }
-
- // All is good.
- return $obj;
- }
-
- /**
- * Returns an ascii art version of the help
- *
- * This method uses the given configuration and parameters
- * to create and format an help text for the options you defined
- * in your config parameter. You can supply a header and a footer
- * as well as the maximum length of a line. If you supplied
- * descriptions for your options, they will be used as well.
- *
- * By default, it returns something like this:
- * <pre>
- * Usage: myscript.php [-dv --formats] <-fw --filters>
- *
- * -f --files values(2) Set the source and destination image files.
- * -w --width=<value> Set the new width of the image.
- * -d --debug Switch to debug mode.
- * --formats values(1-3) Set the image destination format. (jpegbig,
- * jpegsmall)
- * -fi --filters values(1-...) Set the filters to be applied to the image upon
- * conversion. The filters will be used in the order
- * they are set.
- * -v --verbose (optional)value Set the verbose level. (3)
- * </pre>
- *
- * @access public
- * @param array your args configuration
- * @param string the header for the help. If it is left null,
- * a default header will be used, starting by Usage:
- * @param string the footer for the help. This could be used
- * to supply a description of the error the user made
- * @param int help lines max length
- * @return string the formatted help text
- */
- function getHelp($config, $helpHeader = null, $helpFooter = '', $maxlength = 78)
- {
- // Start with an empty help message and build it piece by piece
- $help = '';
-
- // If no user defined header, build the default header.
- if (!isset($helpHeader)) {
- // Get the optional, required and "paramter" names for this config.
- list($optional, $required, $params) = Console_Getargs::getOptionalRequired($config);
- // Start with the file name.
- $helpHeader = 'Usage: '. basename($_SERVER['SCRIPT_NAME']) . ' ';
- // Add the optional arguments and required arguments.
- $helpHeader.= $optional . ' ' . $required . ' ';
- // Add any parameters that are needed.
- $helpHeader.= $params . "\n\n";
- }
-
- // Build the list of options and definitions.
- $i = 0;
- foreach ($config as $long => $def) {
-
- // Break the names up if there is more than one for an option.
- $shortArr = array();
- if (isset($def['short'])) {
- $shortArr = explode('|', $def['short']);
- }
- $longArr = explode('|', $long);
-
- // Column one is the option name displayed as "-short, --long [additional info]"
- // Add the short option name.
- $col1[$i] = !empty($shortArr) ? '-'.$shortArr[0].' ' : '';
- // Add the long option name.
- $col1[$i] .= '--'.$longArr[0];
-
- // Get the min and max to show needed/optional values.
- $max = $def['max'];
- $min = isset($def['min']) ? $def['min'] : $max;
-
- if ($max === 1 && $min === 1) {
- // One value required.
- $col1[$i] .= '=<value>';
- } else if ($max > 1) {
- if ($min === $max) {
- // More than one value needed.
- $col1[$i] .= ' values('.$max.')';
- } else if ($min === 0) {
- // Argument takes optional value(s).
- $col1[$i] .= ' values(optional)';
- } else {
- // Argument takes a range of values.
- $col1[$i] .= ' values('.$min.'-'.$max.')';
- }
- } else if ($max === 1 && $min === 0) {
- // Argument can take at most one value.
- $col1[$i] .= ' (optional)value';
- } else if ($max === -1) {
- // Argument can take unlimited values.
- if ($min > 0) {
- $col1[$i] .= ' values('.$min.'-...)';
- } else {
- $col1[$i] .= ' (optional)values';
- }
- }
-
- // Column two is the description if available.
- if (isset($def['desc'])) {
- $col2[$i] = $def['desc'];
- } else {
- $col2[$i] = '';
- }
- // Add the default value(s) if there are any/
- if (isset($def['default'])) {
- if (is_array($def['default'])) {
- $col2[$i] .= ' ('.implode(', ', $def['default']).')';
- } else {
- $col2[$i] .= ' ('.$def['default'].')';
- }
- }
- $i++;
- }
-
- // Figure out the maximum length for column one.
- $arglen = 0;
- foreach ($col1 as $txt) {
- $length = strlen($txt);
- if ($length > $arglen) {
- $arglen = $length;
- }
- }
-
- // The maximum length for each description line.
- $desclen = $maxlength - $arglen;
- $padding = str_repeat(' ', $arglen);
- foreach ($col1 as $k => $txt) {
- // Wrap the descriptions.
- if (strlen($col2[$k]) > $desclen) {
- $desc = wordwrap($col2[$k], $desclen, "\n ".$padding);
- } else {
- $desc = $col2[$k];
- }
- // Push everything together.
- $help .= str_pad($txt, $arglen).' '.$desc."\n";
- }
-
- // Put it all together.
- return $helpHeader.$help.$helpFooter;
- }
-
- /**
- * Parse the config array to determine which flags are
- * optional and which are required.
- *
- * To make the help header more descriptive, the options
- * are shown seperated into optional and required flags.
- * When possible the short flag is used for readability.
- * Optional items (including "parameters") are surrounded
- * in square braces ([-vd]). Required flags are surrounded
- * in angle brackets (<-wf>).
- *
- * This method may be called statically.
- *
- * @access public
- * @param &$config The config array.
- * @return array
- * @author Scott Mattocks
- * @package Console_Getargs
- */
- function getOptionalRequired(&$config)
- {
- // Parse the config array and look for optional/required
- // tags.
- $optional = '';
- $optionalHasShort = false;
- $required = '';
- $requiredHasShort = false;
-
- ksort($config);
- foreach ($config as $long => $def) {
-
- // We only really care about the first option name.
- $long = reset(explode('|', $long));
-
- // Treat the "parameters" specially.
- if ($long == CONSOLE_GETARGS_PARAMS) {
- continue;
- }
- // We only really care about the first option name.
- $def['short'] = reset(explode('|', $def['short']));
-
- if (!isset($def['min']) || $def['min'] == 0 || isset($def['default'])) {
- // This argument is optional.
- if (isset($def['short']) && strlen($def['short']) == 1) {
- $optional = $def['short'] . $optional;
- $optionalHasShort = true;
- } else {
- $optional.= ' --' . $long;
- }
- } else {
- // This argument is required.
- if (isset($def['short']) && strlen($def['short']) == 1) {
- $required = $def['short'] . $required;
- $requiredHasShort = true;
- } else {
- $required.= ' --' . $long;
- }
- }
- }
-
- // Check for "parameters" option.
- $params = '';
- if (isset($config[CONSOLE_GETARGS_PARAMS])) {
- for ($i = 1; $i <= max($config[CONSOLE_GETARGS_PARAMS]['max'], $config[CONSOLE_GETARGS_PARAMS]['min']); ++$i) {
- if ($config[CONSOLE_GETARGS_PARAMS]['max'] == -1 ||
- ($i > $config[CONSOLE_GETARGS_PARAMS]['min'] &&
- $i <= $config[CONSOLE_GETARGS_PARAMS]['max']) ||
- isset($config[CONSOLE_GETARGS_PARAMS]['default'])) {
- // Parameter is optional.
- $params.= '[param' . $i .'] ';
- } else {
- // Parameter is required.
- $params.= 'param' . $i . ' ';
- }
- }
- }
- // Add a leading - if needed.
- if ($optionalHasShort) {
- $optional = '-' . $optional;
- }
-
- if ($requiredHasShort) {
- $required = '-' . $required;
- }
-
- // Add the extra characters if needed.
- if (!empty($optional)) {
- $optional = '[' . $optional . ']';
- }
- if (!empty($required)) {
- $required = '<' . $required . '>';
- }
-
- return array($optional, $required, $params);
- }
- } // end class Console_Getargs
-
- /**
- * This class implements a wrapper to the command line options and arguments.
- *
- * @author Bertrand Mansion <bmansion@mamasam.com>
- * @package Console_Getargs
- */
- class Console_Getargs_Options
- {
-
- /**
- * Lookup to match short options name with long ones
- * @var array
- * @access private
- */
- var $_shortLong = array();
-
- /**
- * Lookup to match alias options name with long ones
- * @var array
- * @access private
- */
- var $_aliasLong = array();
-
- /**
- * Arguments set for the options
- * @var array
- * @access private
- */
- var $_longLong = array();
-
- /**
- * Configuration set at initialization time
- * @var array
- * @access private
- */
- var $_config = array();
-
- /**
- * A read/write copy of argv
- * @var array
- * @access private
- */
- var $args = array();
-
- /**
- * Initializes the Console_Getargs_Options object
- * @param array configuration options
- * @access private
- * @throws CONSOLE_GETARGS_ERROR_CONFIG
- * @return true|PEAR_Error
- */
- function init($config, $arguments = NULL)
- {
- if (is_array($arguments)) {
- // Use the user defined argument list.
- $this->args = $arguments;
- } else {
- // Command line arguments must be available.
- if (!isset($_SERVER['argv']) || !is_array($_SERVER['argv'])) {
- return PEAR::raiseError("Could not read argv", CONSOLE_GETARGS_ERROR_CONFIG,
- PEAR_ERROR_TRIGGER, E_USER_WARNING, 'Console_Getargs_Options::init()');
- }
- $this->args = $_SERVER['argv'];
- }
-
- // Drop the first argument if it doesn't begin with a '-'.
- if (isset($this->args[0]{0}) && $this->args[0]{0} != '-') {
- array_shift($this->args);
- }
- $this->_config = $config;
- return true;
- }
-
- /**
- * Makes the lookup arrays for alias and short name mapping with long names
- * @access private
- * @throws CONSOLE_GETARGS_ERROR_CONFIG
- * @return true|PEAR_Error
- */
- function buildMaps()
- {
- foreach($this->_config as $long => $def) {
-
- $longArr = explode('|', $long);
- $longname = $longArr[0];
-
- if (count($longArr) > 1) {
- // The fisrt item in the list is "the option".
- // The rest are aliases.
- array_shift($longArr);
- foreach($longArr as $alias) {
- // Watch out for duplicate aliases.
- if (isset($this->_aliasLong[$alias])) {
- return PEAR::raiseError('Duplicate alias for long option '.$alias, CONSOLE_GETARGS_ERROR_CONFIG,
- PEAR_ERROR_TRIGGER, E_USER_WARNING, 'Console_Getargs_Options::buildMaps()');
-
- }
- $this->_aliasLong[$alias] = $longname;
- }
- // Add the real option name and defintion.
- $this->_config[$longname] = $def;
- // Get rid of the old version (name|alias1|...)
- unset($this->_config[$long]);
- }
-
- // Add the (optional) short option names.
- if (!empty($def['short'])) {
- // Short names
- $shortArr = explode('|', $def['short']);
- $short = $shortArr[0];
- if (count($shortArr) > 1) {
- // The first item is "the option".
- // The rest are aliases.
- array_shift($shortArr);
- foreach ($shortArr as $alias) {
- // Watch out for duplicate aliases.
- if (isset($this->_shortLong[$alias])) {
- return PEAR::raiseError('Duplicate alias for short option '.$alias, CONSOLE_GETARGS_ERROR_CONFIG,
- PEAR_ERROR_TRIGGER, E_USER_WARNING, 'Console_Getargs_Options::buildMaps()');
- }
- $this->_shortLong[$alias] = $longname;
- }
- }
- // Add the real short option name.
- $this->_shortLong[$short] = $longname;
- }
- }
- return true;
- }
-
- /**
- * Parses the given options/arguments one by one
- * @access private
- * @throws CONSOLE_GETARGS_HELP
- * @throws CONSOLE_GETARGS_ERROR_USER
- * @return true|PEAR_Error
- */
- function parseArgs()
- {
- // Go through the options and parse the arguments for each.
- for ($i = 0, $count = count($this->args); $i < $count; $i++) {
- $arg = $this->args[$i];
- if ($arg === '--help' || $arg === '-h') {
- // Asking for help breaks the loop.
- return PEAR::raiseError(null, CONSOLE_GETARGS_HELP, PEAR_ERROR_RETURN);
-
- }
- if ($arg === '--') {
- // '--' alone signals the start of "parameters"
- $err = $this->parseArg(CONSOLE_GETARGS_PARAMS, true, ++$i);
- } elseif (strlen($arg) > 1 && $arg{0} == '-' && $arg{1} == '-') {
- // Long name used (--option)
- $err = $this->parseArg(substr($arg, 2), true, $i);
- } else if (strlen($arg) > 1 && $arg{0} == '-') {
- // Short name used (-o)
- $err = $this->parseArg(substr($arg, 1), false, $i);
- if ($err === -1) {
- break;
- }
- } elseif (isset($this->_config[CONSOLE_GETARGS_PARAMS])) {
- // No flags at all. Try the parameters option.
- $tempI = &$i - 1;
- $err = $this->parseArg(CONSOLE_GETARGS_PARAMS, true, $tempI);
- } else {
- $err = PEAR::raiseError('Unknown argument '.$arg,
- CONSOLE_GETARGS_ERROR_USER, PEAR_ERROR_RETURN,
- null, 'Console_Getargs_Options::parseArgs()');
- }
- if ($err !== true) {
- return $err;
- }
- }
- // Check to see if we need to reload the arguments
- // due to concatenated short names.
- if (isset($err) && $err === -1) {
- return $this->parseArgs();
- }
-
- return true;
- }
-
- /**
- * Parses one option/argument
- * @access private
- * @throws CONSOLE_GETARGS_ERROR_USER
- * @return true|PEAR_Error
- */
- function parseArg($arg, $isLong, &$pos)
- {
- // If the whole short option isn't in the shortLong array
- // then break it into a bunch of switches.
- if (!$isLong && !isset($this->_shortLong[$arg]) && strlen($arg) > 1) {
- $newArgs = array();
- for ($i = 0; $i < strlen($arg); $i++) {
- if (array_key_exists($arg{$i}, $this->_shortLong)) {
- $newArgs[] = '-' . $arg{$i};
- } else {
- $newArgs[] = $arg{$i};
- }
- }
- // Add the new args to the array.
- array_splice($this->args, $pos, 1, $newArgs);
-
- // Reset the option values.
- $this->_longLong = array();
-
- // Then reparse the arguments.
- return -1;
- }
-
- $opt = '';
- for ($i = 0; $i < strlen($arg); $i++) {
- // Build the option name one char at a time looking for a match.
- $opt .= $arg{$i};
- if ($isLong === false && isset($this->_shortLong[$opt])) {
- // Found a match in the short option names.
- $cmp = $opt;
- $long = $this->_shortLong[$opt];
- } elseif ($isLong === true && isset($this->_config[$opt])) {
- // Found a match in the long option names.
- $long = $cmp = $opt;
- } elseif ($isLong === true && isset($this->_aliasLong[$opt])) {
- // Found a match in the long option names.
- $long = $this->_aliasLong[$opt];
- $cmp = $opt;
- }
- if ($arg{$i} === '=') {
- // End of the option name when '=' is found.
- break;
- }
- }
-
- // If no option name is found, assume -- was passed.
- if ($opt == '') {
- $long = CONSOLE_GETARGS_PARAMS;
- }
-
- if (isset($long)) {
- // A match was found.
- if (strlen($arg) > strlen($cmp)) {
- // Seperate the argument from the option.
- // Ex: php test.php -f=image.png
- // $cmp = 'f'
- // $arg = 'f=image.png'
- $arg = substr($arg, strlen($cmp));
- // Now $arg = '=image.png'
- if ($arg{0} === '=') {
- $arg = substr($arg, 1);
- // Now $arg = 'image.png'
- }
- } else {
- // No argument passed for option.
- $arg = '';
- }
- // Set the options value.
- return $this->setValue($long, $arg, $pos);
- }
- return PEAR::raiseError('Unknown argument '.$opt,
- CONSOLE_GETARGS_ERROR_USER, PEAR_ERROR_RETURN,
- null, 'Console_Getargs_Options::parseArg()');
- }
-
- /**
- * Set the option arguments
- * @access private
- * @throws CONSOLE_GETARGS_ERROR_CONFIG
- * @throws CONSOLE_GETARGS_ERROR_USER
- * @return true|PEAR_Error
- */
- function setValue($optname, $value, &$pos)
- {
- if (!isset($this->_config[$optname]['max'])) {
- // Max must be set for every option even if it is zero or -1.
- return PEAR::raiseError('No max parameter set for '.$optname,
- CONSOLE_GETARGS_ERROR_CONFIG, PEAR_ERROR_TRIGGER,
- E_USER_WARNING, 'Console_Getargs_Options::setValue()');
- }
-
- $max = $this->_config[$optname]['max'];
- $min = isset($this->_config[$optname]['min']) ? $this->_config[$optname]['min']: $max;
-
- // A value was passed after the option.
- if ($value !== '') {
- // Argument is like -v5
- if ($min == 1 && $max > 0) {
- // At least one argument is required for option.
- $this->updateValue($optname, $value);
- return true;
- }
- if ($max === 0) {
- // Argument passed but not expected.
- return PEAR::raiseError('Argument '.$optname.' does not take any value',
- CONSOLE_GETARGS_ERROR_USER, PEAR_ERROR_RETURN,
- null, 'Console_Getargs_Options::setValue()');
- }
- // Not enough arguments passed for this option.
- return PEAR::raiseError('Argument '.$optname.' expects more than one value',
- CONSOLE_GETARGS_ERROR_USER, PEAR_ERROR_RETURN,
- null, 'Console_Getargs_Options::setValue()');
- }
-
- if ($min === 1 && $max === 1) {
- // Argument requires 1 value
- // If optname is "parameters" take a step back.
- if ($optname == CONSOLE_GETARGS_PARAMS) {
- $pos--;
- }
- if (isset($this->args[$pos+1]) && $this->isValue($this->args[$pos+1])) {
- // Set the option value and increment the position.
- $this->updateValue($optname, $this->args[$pos+1]);
- $pos++;
- return true;
- }
- // What we thought was the argument was really the next option.
- return PEAR::raiseError('Argument '.$optname.' expects one value',
- CONSOLE_GETARGS_ERROR_USER, PEAR_ERROR_RETURN,
- null, 'Console_Getargs_Options::setValue()');
-
- } else if ($max === 0) {
- // Argument is a switch
- if (isset($this->args[$pos+1]) && $this->isValue($this->args[$pos+1])) {
- // What we thought was the next option was really an argument for this option.
- // First update the value
- $this->updateValue($optname, true);
- // Then try to assign values to parameters.
- if (isset($this->_config[CONSOLE_GETARGS_PARAMS])) {
- return $this->setValue(CONSOLE_GETARGS_PARAMS, '', ++$pos);
- } else {
- return PEAR::raiseError('Argument '.$optname.' does not take any value',
- CONSOLE_GETARGS_ERROR_USER, PEAR_ERROR_RETURN,
- null, 'Console_Getargs_Options::setValue()');
- }
- }
- // Set the switch to on.
- $this->updateValue($optname, true);
- return true;
-
- } else if ($max >= 1 && $min === 0) {
- // Argument has a default-if-set value
- if (!isset($this->_config[$optname]['default'])) {
- // A default value MUST be assigned when config is loaded.
- return PEAR::raiseError('No default value defined for '.$optname,
- CONSOLE_GETARGS_ERROR_CONFIG, PEAR_ERROR_TRIGGER,
- E_USER_WARNING, 'Console_Getargs_Options::setValue()');
- }
- if (is_array($this->_config[$optname]['default'])) {
- // Default value cannot be an array.
- return PEAR::raiseError('Default value for '.$optname.' must be scalar',
- CONSOLE_GETARGS_ERROR_CONFIG, PEAR_ERROR_TRIGGER,
- E_USER_WARNING, 'Console_Getargs_Options::setValue()');
- }
-
- // If optname is "parameters" take a step back.
- if ($optname == CONSOLE_GETARGS_PARAMS) {
- $pos--;
- }
-
- if (isset($this->args[$pos+1]) && $this->isValue($this->args[$pos+1])) {
- // Assign the option the value from the command line if there is one.
- $this->updateValue($optname, $this->args[$pos+1]);
- $pos++;
- return true;
- }
- // Otherwise use the default value.
- $this->updateValue($optname, $this->_config[$optname]['default']);
- return true;
- }
-
- // Argument takes one or more values
- $added = 0;
- // If trying to assign values to parameters, must go back one position.
- if ($optname == CONSOLE_GETARGS_PARAMS) {
- $pos = max($pos - 1, -1);
- }
- for ($i = $pos + 1; $i <= count($this->args); $i++) {
- $paramFull = $max <= count($this->getValue($optname)) && $max != -1;
- if (isset($this->args[$i]) && $this->isValue($this->args[$i]) && !$paramFull) {
- // Add the argument value until the next option is hit.
- $this->updateValue($optname, $this->args[$i]);
- $added++;
- $pos++;
- // Only keep trying if we haven't filled up yet.
- // or there is no limit
- if (($added < $max || $max < 0) && ($max < 0 || !$paramFull)) {
- continue;
- }
- }
- if ($min > $added && !$paramFull) {
- // There aren't enough arguments for this option.
- return PEAR::raiseError('Argument '.$optname.' expects at least '.$min.(($min > 1) ? ' values' : ' value'),
- CONSOLE_GETARGS_ERROR_USER, PEAR_ERROR_RETURN,
- null, 'Console_Getargs_Options::setValue()');
- } elseif ($max !== -1 && $paramFull) {
- // Too many arguments for this option.
- // Try to add the extra options to parameters.
- if (isset($this->_config[CONSOLE_GETARGS_PARAMS]) && $optname != CONSOLE_GETARGS_PARAMS) {
- return $this->setValue(CONSOLE_GETARGS_PARAMS, '', ++$pos);
- } elseif ($optname == CONSOLE_GETARGS_PARAMS && empty($this->args[$i])) {
- $pos += $added;
- break;
- } else {
- return PEAR::raiseError('Argument '.$optname.' expects maximum '.$max.' values',
- CONSOLE_GETARGS_ERROR_USER, PEAR_ERROR_RETURN,
- null, 'Console_Getargs_Options::setValue()');
- }
- }
- break;
- }
- // Everything went well.
- return true;
- }
-
- /**
- * Checks whether the given parameter is an argument or an option
- * @access private
- * @return boolean
- */
- function isValue($arg)
- {
- if ((strlen($arg) > 1 && $arg{0} == '-' && $arg{1} == '-') ||
- (strlen($arg) > 1 && $arg{0} == '-')) {
- // The next argument is really an option.
- return false;
- }
- return true;
- }
-
- /**
- * Adds the argument to the option
- *
- * If the argument for the option is already set,
- * the option arguments will be changed to an array
- * @access private
- * @return void
- */
- function updateValue($optname, $value)
- {
- if (isset($this->_longLong[$optname])) {
- if (is_array($this->_longLong[$optname])) {
- // Add this value to the list of values for this option.
- $this->_longLong[$optname][] = $value;
- } else {
- // There is already one value set. Turn everything into a list of values.
- $prevValue = $this->_longLong[$optname];
- $this->_longLong[$optname] = array($prevValue);
- $this->_longLong[$optname][] = $value;
- }
- } else {
- // This is the first value for this option.
- $this->_longLong[$optname] = $value;
- }
- }
-
- /**
- * Sets the option default arguments when necessary
- * @access private
- * @return true
- */
- function setDefaults()
- {
- foreach ($this->_config as $longname => $def) {
- // Add the default value only if the default is defined
- // and the option requires at least one argument.
- if (isset($def['default']) &&
- ((isset($def['min']) && $def['min'] !== 0) ||
- (!isset($def['min']) & isset($def['max']) && $def['max'] !== 0)) &&
- !isset($this->_longLong[$longname])) {
- $this->_longLong[$longname] = $def['default'];
- }
- }
- return true;
- }
-
- /**
- * Checks whether the given option is defined
- *
- * An option will be defined if an argument was assigned to it using
- * the command line options. You can use the short, the long or
- * an alias name as parameter.
- *
- * @access public
- * @param string the name of the option to be checked
- * @return boolean true if the option is defined
- */
- function isDefined($optname)
- {
- $longname = $this->getLongName($optname);
- if (isset($this->_longLong[$longname])) {
- return true;
- }
- return false;
- }
-
- /**
- * Returns the long version of the given parameter
- *
- * If the given name is not found, it will return the name that
- * was given, without further ensuring that the option
- * actually exists
- *
- * @access private
- * @param string the name of the option
- * @return string long version of the option name
- */
- function getLongName($optname)
- {
- if (isset($this->_shortLong[$optname])) {
- // Short version was passed.
- $longname = $this->_shortLong[$optname];
- } else if (isset($this->_aliasLong[$optname])) {
- // An alias was passed.
- $longname = $this->_aliasLong[$optname];
- } else {
- // No further validation is done.
- $longname = $optname;
- }
- return $longname;
- }
-
- /**
- * Returns the argument of the given option
- *
- * You can use the short, alias or long version of the option name.
- * This method will try to find the argument(s) of the given option name.
- * If it is not found it will return null. If the arg has more than
- * one argument, an array of arguments will be returned.
- *
- * @access public
- * @param string the name of the option
- * @return array|string|null argument(s) associated with the option
- */
- function getValue($optname)
- {
- if ($this->isDefined($optname)) {
- // Option is defined. Return its value
- $longname = $this->getLongName($optname);
- return $this->_longLong[$longname];
- }
- // Option is not defined.
- return null;
- }
-
- /**
- * Returns all arguments that have been parsed and recognized
- *
- * The name of the options are stored in the keys of the array.
- * You may choose whether you want to use the long or the short
- * option names
- *
- * @access public
- * @param string option names to use for the keys (long or short)
- * @return array values for all options
- */
- function getValues($optionNames = 'long')
- {
- switch ($optionNames) {
- case 'short':
- $values = array();
- foreach ($this->_shortLong as $short => $long) {
- if (isset($this->_longLong[$long])) {
- $values[$short] = $this->_longLong[$long];
- }
- }
- if (isset($this->_longLong['parameters'])) {
- $values['parameters'] = $this->_longLong['parameters'];
- }
- return $values;
- case 'long':
- default:
- return $this->_longLong;
- }
- }
- } // end class Console_Getargs_Options
- /*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- */
- ?>