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-rw-r--r--pear/Console/Getopt.php251
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diff --git a/pear/Console/Getopt.php b/pear/Console/Getopt.php
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--- a/pear/Console/Getopt.php
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-<?php
-/* vim: set expandtab tabstop=4 shiftwidth=4: */
-// +----------------------------------------------------------------------+
-// | 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: Andrei Zmievski <andrei@php.net> |
-// +----------------------------------------------------------------------+
-//
-// $Id$
-
-require_once 'PEAR.php';
-
-/**
- * Command-line options parsing class.
- *
- * @author Andrei Zmievski <andrei@php.net>
- *
- */
-class Console_Getopt {
- /**
- * Parses the command-line options.
- *
- * The first parameter to this function should be the list of command-line
- * arguments without the leading reference to the running program.
- *
- * The second parameter is a string of allowed short options. Each of the
- * option letters can be followed by a colon ':' to specify that the option
- * requires an argument, or a double colon '::' to specify that the option
- * takes an optional argument.
- *
- * The third argument is an optional array of allowed long options. The
- * leading '--' should not be included in the option name. Options that
- * require an argument should be followed by '=', and options that take an
- * option argument should be followed by '=='.
- *
- * The return value is an array of two elements: the list of parsed
- * options and the list of non-option command-line arguments. Each entry in
- * the list of parsed options is a pair of elements - the first one
- * specifies the option, and the second one specifies the option argument,
- * if there was one.
- *
- * Long and short options can be mixed.
- *
- * Most of the semantics of this function are based on GNU getopt_long().
- *
- * @param array $args an array of command-line arguments
- * @param string $short_options specifies the list of allowed short options
- * @param array $long_options specifies the list of allowed long options
- *
- * @return array two-element array containing the list of parsed options and
- * the non-option arguments
- *
- * @access public
- *
- */
- function getopt2($args, $short_options, $long_options = null)
- {
- return Console_Getopt::doGetopt(2, $args, $short_options, $long_options);
- }
-
- /**
- * This function expects $args to start with the script name (POSIX-style).
- * Preserved for backwards compatibility.
- * @see getopt2()
- */
- function getopt($args, $short_options, $long_options = null)
- {
- return Console_Getopt::doGetopt(1, $args, $short_options, $long_options);
- }
-
- /**
- * The actual implementation of the argument parsing code.
- */
- function doGetopt($version, $args, $short_options, $long_options = null)
- {
- // in case you pass directly readPHPArgv() as the first arg
- if (PEAR::isError($args)) {
- return $args;
- }
- if (empty($args)) {
- return array(array(), array());
- }
- $opts = array();
- $non_opts = array();
-
- settype($args, 'array');
-
- if ($long_options) {
- sort($long_options);
- }
-
- /*
- * Preserve backwards compatibility with callers that relied on
- * erroneous POSIX fix.
- */
- if ($version < 2) {
- if (isset($args[0]{0}) && $args[0]{0} != '-') {
- array_shift($args);
- }
- }
-
- reset($args);
- while (list($i, $arg) = each($args)) {
-
- /* The special element '--' means explicit end of
- options. Treat the rest of the arguments as non-options
- and end the loop. */
- if ($arg == '--') {
- $non_opts = array_merge($non_opts, array_slice($args, $i + 1));
- break;
- }
-
- if ($arg{0} != '-' || (strlen($arg) > 1 && $arg{1} == '-' && !$long_options)) {
- $non_opts = array_merge($non_opts, array_slice($args, $i));
- break;
- } elseif (strlen($arg) > 1 && $arg{1} == '-') {
- $error = Console_Getopt::_parseLongOption(substr($arg, 2), $long_options, $opts, $args);
- if (PEAR::isError($error))
- return $error;
- } else {
- $error = Console_Getopt::_parseShortOption(substr($arg, 1), $short_options, $opts, $args);
- if (PEAR::isError($error))
- return $error;
- }
- }
-
- return array($opts, $non_opts);
- }
-
- /**
- * @access private
- *
- */
- function _parseShortOption($arg, $short_options, &$opts, &$args)
- {
- for ($i = 0; $i < strlen($arg); $i++) {
- $opt = $arg{$i};
- $opt_arg = null;
-
- /* Try to find the short option in the specifier string. */
- if (($spec = strstr($short_options, $opt)) === false || $arg{$i} == ':')
- {
- return PEAR::raiseError("Console_Getopt: unrecognized option -- $opt");
- }
-
- if (strlen($spec) > 1 && $spec{1} == ':') {
- if (strlen($spec) > 2 && $spec{2} == ':') {
- if ($i + 1 < strlen($arg)) {
- /* Option takes an optional argument. Use the remainder of
- the arg string if there is anything left. */
- $opts[] = array($opt, substr($arg, $i + 1));
- break;
- }
- } else {
- /* Option requires an argument. Use the remainder of the arg
- string if there is anything left. */
- if ($i + 1 < strlen($arg)) {
- $opts[] = array($opt, substr($arg, $i + 1));
- break;
- } else if (list(, $opt_arg) = each($args))
- /* Else use the next argument. */;
- else
- return PEAR::raiseError("Console_Getopt: option requires an argument -- $opt");
- }
- }
-
- $opts[] = array($opt, $opt_arg);
- }
- }
-
- /**
- * @access private
- *
- */
- function _parseLongOption($arg, $long_options, &$opts, &$args)
- {
- @list($opt, $opt_arg) = explode('=', $arg, 2);
- $opt_len = strlen($opt);
-
- for ($i = 0; $i < count($long_options); $i++) {
- $long_opt = $long_options[$i];
- $opt_start = substr($long_opt, 0, $opt_len);
-
- /* Option doesn't match. Go on to the next one. */
- if ($opt_start != $opt)
- continue;
-
- $opt_rest = substr($long_opt, $opt_len);
-
- /* Check that the options uniquely matches one of the allowed
- options. */
- if ($opt_rest != '' && $opt{0} != '=' &&
- $i + 1 < count($long_options) &&
- $opt == substr($long_options[$i+1], 0, $opt_len)) {
- return PEAR::raiseError("Console_Getopt: option --$opt is ambiguous");
- }
-
- if (substr($long_opt, -1) == '=') {
- if (substr($long_opt, -2) != '==') {
- /* Long option requires an argument.
- Take the next argument if one wasn't specified. */;
- if (!strlen($opt_arg) && !(list(, $opt_arg) = each($args))) {
- return PEAR::raiseError("Console_Getopt: option --$opt requires an argument");
- }
- }
- } else if ($opt_arg) {
- return PEAR::raiseError("Console_Getopt: option --$opt doesn't allow an argument");
- }
-
- $opts[] = array('--' . $opt, $opt_arg);
- return;
- }
-
- return PEAR::raiseError("Console_Getopt: unrecognized option --$opt");
- }
-
- /**
- * Safely read the $argv PHP array across different PHP configurations.
- * Will take care on register_globals and register_argc_argv ini directives
- *
- * @access public
- * @return mixed the $argv PHP array or PEAR error if not registered
- */
- function readPHPArgv()
- {
- global $argv;
- if (!is_array($argv)) {
- if (!@is_array($_SERVER['argv'])) {
- if (!@is_array($GLOBALS['HTTP_SERVER_VARS']['argv'])) {
- return PEAR::raiseError("Console_Getopt: Could not read cmd args (register_argc_argv=Off?)");
- }
- return $GLOBALS['HTTP_SERVER_VARS']['argv'];
- }
- return $_SERVER['argv'];
- }
- return $argv;
- }
-
-}
-
-?>
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