/**
* Returns information about a package file. Expects the contents
* of a package xml file as input.
*
* @param string $data name of package xml file
*
* @return array array with package information
*
* @access public
*
*/
function infoFromString($data)
{
require_once 'PEAR/Dependency.php';
if (PEAR_Dependency::checkExtension($error, 'xml')) {
return $this->raiseError($error);
}
$xp = @xml_parser_create();
if (!$xp) {
return $this->raiseError('Unable to create XML parser');
}
xml_set_object($xp, $this);
xml_set_element_handler($xp, '_element_start', '_element_end');
xml_set_character_data_handler($xp, '_pkginfo_cdata');
xml_parser_set_option($xp, XML_OPTION_CASE_FOLDING, false);
$this->element_stack = array();
$this->pkginfo = array('provides' => array());
$this->current_element = false;
unset($this->dir_install);
$this->pkginfo['filelist'] = array();
$this->filelist =& $this->pkginfo['filelist'];
$this->dir_names = array();
$this->in_changelog = false;
$this->d_i = 0;
$this->cdata = '';
$this->_validPackageFile = false;
if (!xml_parse($xp, $data, 1)) {
$code = xml_get_error_code($xp);
$msg = sprintf("XML error: %s at line %d", xml_error_string($code), xml_get_current_line_number($xp));
xml_parser_free($xp);
return $this->raiseError($msg, $code);
}
xml_parser_free($xp);
if (!$this->_validPackageFile) {
return $this->raiseError('Invalid Package File, no <package> tag');
}
foreach ($this->pkginfo as $k => $v) {
if (!is_array($v)) {
$this->pkginfo[$k] = trim($v);
}
}
return $this->pkginfo;
}
/**
* Check if the package meets all dependencies
*
* @param array Package information (passed by reference)
* @param string Error message (passed by reference)
* @return boolean False when no error occured, otherwise true
*/
function checkDeps(&$pkginfo, &$errors)
{
if (empty($this->registry)) {
$this->registry = new PEAR_Registry($this->config->get('php_dir'));
}
$depchecker = new PEAR_Dependency($this->registry);
$error = $errors = '';
$failed_deps = $optional_deps = array();
if (is_array($pkginfo['release_deps'])) {
foreach ($pkginfo['release_deps'] as $dep) {
$code = $depchecker->callCheckMethod($error, $dep);
if ($code) {
if (isset($dep['optional']) && $dep['optional'] == 'yes') {
$optional_deps[] = array($dep, $code, $error);
} else {
$failed_deps[] = array($dep, $code, $error);
}
}
}
// {{{ failed dependencies
$n = count($failed_deps);
if ($n > 0) {
for ($i = 0; $i < $n; $i++) {
if (isset($failed_deps[$i]['type'])) {
$type = $failed_deps[$i]['type'];
} else {
$type = 'pkg';
}
switch ($failed_deps[$i][1]) {
case PEAR_DEPENDENCY_MISSING:
if ($type == 'pkg') {
// install
}
$errors .= "\n" . $failed_deps[$i][2];
break;
case PEAR_DEPENDENCY_UPGRADE_MINOR:
if ($type == 'pkg') {
// upgrade
}
$errors .= "\n" . $failed_deps[$i][2];
break;
default:
$errors .= "\n" . $failed_deps[$i][2];
break;
}
}
return true;
}
// }}}
// {{{ optional dependencies
$count_optional = count($optional_deps);
if ($count_optional > 0) {
$errors = "Optional dependencies:";
for ($i = 0; $i < $count_optional; $i++) {
if (isset($optional_deps[$i]['type'])) {
$type = $optional_deps[$i]['type'];
} else {
$type = 'pkg';
}
switch ($optional_deps[$i][1]) {
case PEAR_DEPENDENCY_MISSING:
case PEAR_DEPENDENCY_UPGRADE_MINOR:
default:
$errors .= "\n" . $optional_deps[$i][2];
break;
}
}
return false;
}
// }}}
}
return false;
}
