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/** * Command-line Frontend for the PEAR Installer * @category pear * @package PEAR * @author Stig Bakken * @author Greg Beaver * @copyright 1997-2009 The Authors * @license http://opensource.org/licenses/bsd-license.php New BSD License * @version Release: 1.10.15 * @link http://pear.php.net/package/PEAR * @since Class available since Release 0.1 */ class PEAR_Frontend_CLI extends PEAR_Frontend { /** * What type of user interface this frontend is for. * @var string * @access public */ var $type = 'CLI'; var $lp = ''; // line prefix var $params = array(); var $term = array( 'bold' => '', 'normal' => '', ); function __construct() { parent::__construct(); $term = getenv('TERM'); //(cox) $_ENV is empty for me in 4.1.1 if (function_exists('posix_isatty') && !posix_isatty(1)) { // output is being redirected to a file or through a pipe } elseif ($term) { if (preg_match('/^(xterm|vt220|linux)/', $term)) { $this->term['bold'] = sprintf("%c%c%c%c", 27, 91, 49, 109); $this->term['normal'] = sprintf("%c%c%c", 27, 91, 109); } elseif (preg_match('/^vt100/', $term)) { $this->term['bold'] = sprintf("%c%c%c%c%c%c", 27, 91, 49, 109, 0, 0); $this->term['normal'] = sprintf("%c%c%c%c%c", 27, 91, 109, 0, 0); } } elseif (OS_WINDOWS) { // XXX add ANSI codes here } } /** * @param object PEAR_Error object */ function displayError($e) { return $this->_displayLine($e->getMessage()); } /** * @param object PEAR_Error object */ function displayFatalError($eobj) { $this->displayError($eobj); if (class_exists('PEAR_Config')) { $config = &PEAR_Config::singleton(); if ($config->get('verbose') > 5) { if (function_exists('debug_print_backtrace')) { debug_print_backtrace(); exit(1); } $raised = false; foreach (debug_backtrace() as $i => $frame) { if (!$raised) { if (isset($frame['class']) && strtolower($frame['class']) == 'pear' && strtolower($frame['function']) == 'raiseerror' ) { $raised = true; } else { continue; } } $frame['class'] = !isset($frame['class']) ? '' : $frame['class']; $frame['type'] = !isset($frame['type']) ? '' : $frame['type']; $frame['function'] = !isset($frame['function']) ? '' : $frame['function']; $frame['line'] = !isset($frame['line']) ? '' : $frame['line']; $this->_displayLine("#$i: $frame[class]$frame[type]$frame[function] $frame[line]"); } } } exit(1); } /** * Instruct the runInstallScript method to skip a paramgroup that matches the * id value passed in. * * This method is useful for dynamically configuring which sections of a post-install script * will be run based on the user's setup, which is very useful for making flexible * post-install scripts without losing the cross-Frontend ability to retrieve user input * @param string */ function skipParamgroup($id) { $this->_skipSections[$id] = true; } function runPostinstallScripts(&$scripts) { foreach ($scripts as $i => $script) { $this->runInstallScript($scripts[$i]->_params, $scripts[$i]->_obj); } } /** * @param array $xml contents of postinstallscript tag * @param object $script post-installation script * @param string install|upgrade */ function runInstallScript($xml, &$script) { $this->_skipSections = array(); if (!is_array($xml) || !isset($xml['paramgroup'])) { $script->run(array(), '_default'); return; } $completedPhases = array(); if (!isset($xml['paramgroup'][0])) { $xml['paramgroup'] = array($xml['paramgroup']); } foreach ($xml['paramgroup'] as $group) { if (isset($this->_skipSections[$group['id']])) { // the post-install script chose to skip this section dynamically continue; } if (isset($group['name'])) { $paramname = explode('::', $group['name']); if ($lastgroup['id'] != $paramname[0]) { continue; } $group['name'] = $paramname[1]; if (!isset($answers)) { return; } if (isset($answers[$group['name']])) { switch ($group['conditiontype']) { case '=' : if ($answers[$group['name']] != $group['value']) { continue 2; } break; case '!=' : if ($answers[$group['name']] == $group['value']) { continue 2; } break; case 'preg_match' : if (!@preg_match('/' . $group['value'] . '/', $answers[$group['name']])) { continue 2; } break; default : return; } } } $lastgroup = $group; if (isset($group['instructions'])) { $this->_display($group['instructions']); } if (!isset($group['param'][0])) { $group['param'] = array($group['param']); } if (isset($group['param'])) { if (method_exists($script, 'postProcessPrompts')) { $prompts = $script->postProcessPrompts($group['param'], $group['id']); if (!is_array($prompts) || count($prompts) != count($group['param'])) { $this->outputData('postinstall', 'Error: post-install script did not ' . 'return proper post-processed prompts'); $prompts = $group['param']; } else { foreach ($prompts as $i => $var) { if (!is_array($var) || !isset($var['prompt']) || !isset($var['name']) || ($var['name'] != $group['param'][$i]['name']) || ($var['type'] != $group['param'][$i]['type']) ) { $this->outputData('postinstall', 'Error: post-install script ' . 'modified the variables or prompts, severe security risk. ' . 'Will instead use the defaults from the package.xml'); $prompts = $group['param']; } } } $answers = $this->confirmDialog($prompts); } else { $answers = $this->confirmDialog($group['param']); } } if ((isset($answers) && $answers) || !isset($group['param'])) { if (!isset($answers)) { $answers = array(); } array_unshift($completedPhases, $group['id']); if (!$script->run($answers, $group['id'])) { $script->run($completedPhases, '_undoOnError'); return; } } else { $script->run($completedPhases, '_undoOnError'); return; } } } /** * Ask for user input, confirm the answers and continue until the user is satisfied * @param array an array of arrays, format array('name' => 'paramname', 'prompt' => * 'text to display', 'type' => 'string'[, default => 'default value']) * @return array */ function confirmDialog($params) { $answers = $prompts = $types = array(); foreach ($params as $param) { $prompts[$param['name']] = $param['prompt']; $types[$param['name']] = $param['type']; $answers[$param['name']] = isset($param['default']) ? $param['default'] : ''; } $tried = false; do { if ($tried) { $i = 1; foreach ($answers as $var => $value) { if (!strlen($value)) { echo $this->bold("* Enter an answer for #" . $i . ": ({$prompts[$var]})\n"); } $i++; } } $answers = $this->userDialog('', $prompts, $types, $answers); $tried = true; } while (is_array($answers) && count(array_filter($answers)) != count($prompts)); return $answers; } function userDialog($command, $prompts, $types = array(), $defaults = array(), $screensize = 20) { if (!is_array($prompts)) { return array(); } $testprompts = array_keys($prompts); $result = $defaults; reset($prompts); if (count($prompts) === 1) { foreach ($prompts as $key => $prompt) { $type = $types[$key]; $default = @$defaults[$key]; print "$prompt "; if ($default) { print "[$default] "; } print ": "; $line = fgets(STDIN, 2048); $result[$key] = ($default && trim($line) == '') ? $default : trim($line); } return $result; } $first_run = true; while (true) { $descLength = max(array_map('strlen', $prompts)); $descFormat = "%-{$descLength}s"; $last = count($prompts); $i = 0; foreach ($prompts as $n => $var) { $res = isset($result[$n]) ? $result[$n] : null; printf("%2d. $descFormat : %s\n", ++$i, $prompts[$n], $res); } print "\n1-$last, 'all', 'abort', or Enter to continue: "; $tmp = trim(fgets(STDIN, 1024)); if (empty($tmp)) { break; } if ($tmp == 'abort') { return false; } if (isset($testprompts[(int)$tmp - 1])) { $var = $testprompts[(int)$tmp - 1]; $desc = $prompts[$var]; $current = @$result[$var]; print "$desc [$current] : "; $tmp = trim(fgets(STDIN, 1024)); if ($tmp !== '') { $result[$var] = $tmp; } } elseif ($tmp == 'all') { foreach ($prompts as $var => $desc) { $current = $result[$var]; print "$desc [$current] : "; $tmp = trim(fgets(STDIN, 1024)); if (trim($tmp) !== '') { $result[$var] = trim($tmp); } } } $first_run = false; } return $result; } function userConfirm($prompt, $default = 'yes') { trigger_error("PEAR_Frontend_CLI::userConfirm not yet converted", E_USER_ERROR); static $positives = array('y', 'yes', 'on', '1'); static $negatives = array('n', 'no', 'off', '0'); print "$this->lp$prompt [$default] : "; $fp = fopen("php://stdin", "r"); $line = fgets($fp, 2048); fclose($fp); $answer = strtolower(trim($line)); if (empty($answer)) { $answer = $default; } if (in_array($answer, $positives)) { return true; } if (in_array($answer, $negatives)) { return false; } if (in_array($default, $positives)) { return true; } return false; } function outputData($data, $command = '_default') { switch ($command) { case 'channel-info': foreach ($data as $type => $section) { if ($type == 'main') { $section['data'] = array_values($section['data']); } $this->outputData($section); } break; case 'install': case 'upgrade': case 'upgrade-all': if (is_array($data) && isset($data['release_warnings'])) { $this->_displayLine(''); $this->_startTable(array( 'border' => false, 'caption' => 'Release Warnings' )); $this->_tableRow(array($data['release_warnings']), null, array(1 => array('wrap' => 55))); $this->_endTable(); $this->_displayLine(''); } $this->_displayLine(is_array($data) ? $data['data'] : $data); break; case 'search': $this->_startTable($data); if (isset($data['headline']) && is_array($data['headline'])) { $this->_tableRow($data['headline'], array('bold' => true), array(1 => array('wrap' => 55))); } $packages = array(); foreach($data['data'] as $category) { foreach($category as $name => $pkg) { $packages[$pkg[0]] = $pkg; } } $p = array_keys($packages); natcasesort($p); foreach ($p as $name) { $this->_tableRow($packages[$name], null, array(1 => array('wrap' => 55))); } $this->_endTable(); break; case 'list-all': if (!isset($data['data'])) { $this->_displayLine('No packages in channel'); break; } $this->_startTable($data); if (isset($data['headline']) && is_array($data['headline'])) { $this->_tableRow($data['headline'], array('bold' => true), array(1 => array('wrap' => 55))); } $packages = array(); foreach($data['data'] as $category) { foreach($category as $name => $pkg) { $packages[$pkg[0]] = $pkg; } } $p = array_keys($packages); natcasesort($p); foreach ($p as $name) { $pkg = $packages[$name]; unset($pkg[4], $pkg[5]); $this->_tableRow($pkg, null, array(1 => array('wrap' => 55))); } $this->_endTable(); break; case 'config-show': $data['border'] = false; $opts = array( 0 => array('wrap' => 30), 1 => array('wrap' => 20), 2 => array('wrap' => 35) ); $this->_startTable($data); if (isset($data['headline']) && is_array($data['headline'])) { $this->_tableRow($data['headline'], array('bold' => true), $opts); } foreach ($data['data'] as $group) { foreach ($group as $value) { if ($value[2] == '') { $value[2] = ""; } $this->_tableRow($value, null, $opts); } } $this->_endTable(); break; case 'remote-info': $d = $data; $data = array( 'caption' => 'Package details:', 'border' => false, 'data' => array( array("Latest", $data['stable']), array("Installed", $data['installed']), array("Package", $data['name']), array("License", $data['license']), array("Category", $data['category']), array("Summary", $data['summary']), array("Description", $data['description']), ), ); if (isset($d['deprecated']) && $d['deprecated']) { $conf = &PEAR_Config::singleton(); $reg = $conf->getRegistry(); $name = $reg->parsedPackageNameToString($d['deprecated'], true); $data['data'][] = array('Deprecated! use', $name); } default: { if (is_array($data)) { $this->_startTable($data); $count = count($data['data'][0]); if ($count == 2) { $opts = array(0 => array('wrap' => 25), 1 => array('wrap' => 48) ); } elseif ($count == 3) { $opts = array(0 => array('wrap' => 30), 1 => array('wrap' => 20), 2 => array('wrap' => 35) ); } else { $opts = null; } if (isset($data['headline']) && is_array($data['headline'])) { $this->_tableRow($data['headline'], array('bold' => true), $opts); } if (is_array($data['data'])) { foreach($data['data'] as $row) { $this->_tableRow($row, null, $opts); } } else { $this->_tableRow(array($data['data']), null, $opts); } $this->_endTable(); } else { $this->_displayLine($data); } } } } function log($text, $append_crlf = true) { if ($append_crlf) { return $this->_displayLine($text); } return $this->_display($text); } function bold($text) { if (empty($this->term['bold'])) { return strtoupper($text); } return $this->term['bold'] . $text . $this->term['normal']; } function _displayHeading($title) { print $this->lp.$this->bold($title)."\n"; print $this->lp.str_repeat("=", strlen($title))."\n"; } function _startTable($params = array()) { $params['table_data'] = array(); $params['widest'] = array(); // indexed by column $params['highest'] = array(); // indexed by row $params['ncols'] = 0; $this->params = $params; } function _tableRow($columns, $rowparams = array(), $colparams = array()) { $highest = 1; for ($i = 0; $i < count($columns); $i++) { $col = &$columns[$i]; if (isset($colparams[$i]) && !empty($colparams[$i]['wrap'])) { $col = wordwrap($col, $colparams[$i]['wrap']); } if (strpos($col, "\n") !== false) { $multiline = explode("\n", $col); $w = 0; foreach ($multiline as $n => $line) { $len = strlen($line); if ($len > $w) { $w = $len; } } $lines = count($multiline); } else { $w = strlen($col); } if (isset($this->params['widest'][$i])) { if ($w > $this->params['widest'][$i]) { $this->params['widest'][$i] = $w; } } else { $this->params['widest'][$i] = $w; } $tmp = count_chars($columns[$i], 1); // handle unix, mac and windows formats $lines = (isset($tmp[10]) ? $tmp[10] : (isset($tmp[13]) ? $tmp[13] : 0)) + 1; if ($lines > $highest) { $highest = $lines; } } if (count($columns) > $this->params['ncols']) { $this->params['ncols'] = count($columns); } $new_row = array( 'data' => $columns, 'height' => $highest, 'rowparams' => $rowparams, 'colparams' => $colparams, ); $this->params['table_data'][] = $new_row; } function _endTable() { extract($this->params); if (!empty($caption)) { $this->_displayHeading($caption); } if (count($table_data) === 0) { return; } if (!isset($width)) { $width = $widest; } else { for ($i = 0; $i < $ncols; $i++) { if (!isset($width[$i])) { $width[$i] = $widest[$i]; } } } $border = false; if (empty($border)) { $cellstart = ''; $cellend = ' '; $rowend = ''; $padrowend = false; $borderline = ''; } else { $cellstart = '| '; $cellend = ' '; $rowend = '|'; $padrowend = true; $borderline = '+'; foreach ($width as $w) { $borderline .= str_repeat('-', $w + strlen($cellstart) + strlen($cellend) - 1); $borderline .= '+'; } } if ($borderline) { $this->_displayLine($borderline); } for ($i = 0; $i < count($table_data); $i++) { extract($table_data[$i]); if (!is_array($rowparams)) { $rowparams = array(); } if (!is_array($colparams)) { $colparams = array(); } $rowlines = array(); if ($height > 1) { for ($c = 0; $c < count($data); $c++) { $rowlines[$c] = preg_split('/(\r?\n|\r)/', $data[$c]); if (count($rowlines[$c]) < $height) { $rowlines[$c] = array_pad($rowlines[$c], $height, ''); } } } else { for ($c = 0; $c < count($data); $c++) { $rowlines[$c] = array($data[$c]); } } for ($r = 0; $r < $height; $r++) { $rowtext = ''; for ($c = 0; $c < count($data); $c++) { if (isset($colparams[$c])) { $attribs = array_merge($rowparams, $colparams); } else { $attribs = $rowparams; } $w = isset($width[$c]) ? $width[$c] : 0; //$cell = $data[$c]; $cell = $rowlines[$c][$r]; $l = strlen($cell); if ($l > $w) { $cell = substr($cell, 0, $w); } if (isset($attribs['bold'])) { $cell = $this->bold($cell); } if ($l < $w) { // not using str_pad here because we may // add bold escape characters to $cell $cell .= str_repeat(' ', $w - $l); } $rowtext .= $cellstart . $cell . $cellend; } if (!$border) { $rowtext = rtrim($rowtext); } $rowtext .= $rowend; $this->_displayLine($rowtext); } } if ($borderline) { $this->_displayLine($borderline); } } function _displayLine($text) { print "$this->lp$text\n"; } function _display($text) { print $text; } }