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<?php
/**
* PEAR_Frontend_CLI
*
* PHP versions 4 and 5
*
* @category pear
* @package PEAR
* @author Stig Bakken <ssb@php.net>
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2009 The Authors
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version CVS: $Id$
* @link http://pear.php.net/package/PEAR
* @since File available since Release 0.1
*/
/**
* base class
*/
require_once 'PEAR/Frontend.php';
/**
* Command-line Frontend for the PEAR Installer
* @category pear
* @package PEAR
* @author Stig Bakken <ssb@php.net>
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2009 The Authors
* @license http://opensource.org/licenses/bsd-license.php New BSD License
* @version Release: 1.9.5
* @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 PEAR_Frontend_CLI()
{
parent::PEAR();
$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] = "<not set>";
}
$this->_tableRow($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;
}
}
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