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khosb/includes/pear/PEAR/PackageFile/Parser/v1.php

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<?php
/**
* package.xml parsing class, package.xml version 1.0
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.0 of the PHP license
* that is available through the world-wide-web at the following URI:
* 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 web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category pear
* @package PEAR
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2005 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version CVS: $Id: v1.php,v 1.20 2005/09/25 03:49:00 cellog Exp $
* @link http://pear.php.net/package/PEAR
* @since File available since Release 1.4.0a1
*/
/**
* package.xml abstraction class
*/
require_once 'PEAR/PackageFile/v1.php';
/**
* Parser for package.xml version 1.0
* @category pear
* @package PEAR
* @author Greg Beaver <cellog@php.net>
* @copyright 1997-2005 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version Release: @PEAR-VER@
* @link http://pear.php.net/package/PEAR
* @since Class available since Release 1.4.0a1
*/
class PEAR_PackageFile_Parser_v1
{
var $_registry;
var $_config;
var $_logger;
/**
* BC hack to allow PEAR_Common::infoFromString() to sort of
* work with the version 2.0 format - there's no filelist though
* @param PEAR_PackageFile_v2
*/
function fromV2($packagefile)
{
$info = $packagefile->getArray(true);
$ret = new PEAR_PackageFile_v1;
$ret->fromArray($info['old']);
}
function setConfig(&$c)
{
$this->_config = &$c;
$this->_registry = &$c->getRegistry();
}
function setLogger(&$l)
{
$this->_logger = &$l;
}
/**
* @param string contents of package.xml file, version 1.0
* @return bool success of parsing
*/
function parse($data, $file, $archive = false)
{
if (!extension_loaded('xml')) {
return PEAR::raiseError('Cannot create xml parser for parsing package.xml, no xml extension');
}
$xp = @xml_parser_create();
if (!$xp) {
return PEAR::raiseError('Cannot create xml parser for parsing package.xml');
}
xml_set_object($xp, $this);
xml_set_element_handler($xp, '_element_start_1_0', '_element_end_1_0');
xml_set_character_data_handler($xp, '_pkginfo_cdata_1_0');
xml_parser_set_option($xp, XML_OPTION_CASE_FOLDING, false);
$this->element_stack = array();
$this->_packageInfo = array('provides' => array());
$this->current_element = false;
unset($this->dir_install);
$this->_packageInfo['filelist'] = array();
$this->filelist =& $this->_packageInfo['filelist'];
$this->dir_names = array();
$this->in_changelog = false;
$this->d_i = 0;
$this->cdata = '';
$this->_isValid = true;
if (!xml_parse($xp, $data, 1)) {
$code = xml_get_error_code($xp);
$line = xml_get_current_line_number($xp);
xml_parser_free($xp);
return PEAR::raiseError(sprintf("XML error: %s at line %d",
$str = xml_error_string($code), $line), 2);
}
xml_parser_free($xp);
$pf = new PEAR_PackageFile_v1;
$pf->setConfig($this->_config);
if (isset($this->_logger)) {
$pf->setLogger($this->_logger);
}
$pf->setPackagefile($file, $archive);
$pf->fromArray($this->_packageInfo);
return $pf;
}
// {{{ _unIndent()
/**
* Unindent given string
*
* @param string $str The string that has to be unindented.
* @return string
* @access private
*/
function _unIndent($str)
{
// remove leading newlines
$str = preg_replace('/^[\r\n]+/', '', $str);
// find whitespace at the beginning of the first line
$indent_len = strspn($str, " \t");
$indent = substr($str, 0, $indent_len);
$data = '';
// remove the same amount of whitespace from following lines
foreach (explode("\n", $str) as $line) {
if (substr($line, 0, $indent_len) == $indent) {
$data .= substr($line, $indent_len) . "\n";
}
}
return $data;
}
// Support for package DTD v1.0:
// {{{ _element_start_1_0()
/**
* XML parser callback for ending elements. Used for version 1.0
* packages.
*
* @param resource $xp XML parser resource
* @param string $name name of ending element
*
* @return void
*
* @access private
*/
function _element_start_1_0($xp, $name, $attribs)
{
array_push($this->element_stack, $name);
$this->current_element = $name;
$spos = sizeof($this->element_stack) - 2;
$this->prev_element = ($spos >= 0) ? $this->element_stack[$spos] : '';
$this->current_attributes = $attribs;
$this->cdata = '';
switch ($name) {
case 'dir':
if ($this->in_changelog) {
break;
}
if (array_key_exists('name', $attribs) && $attribs['name'] != '/') {
$attribs['name'] = preg_replace(array('!\\\\+!', '!/+!'), array('/', '/'),
$attribs['name']);
if (strrpos($attribs['name'], '/') == strlen($attribs['name']) - 1) {
$attribs['name'] = substr($attribs['name'], 0,
strlen($attribs['name']) - 1);
}
if (strpos($attribs['name'], '/') === 0) {
$attribs['name'] = substr($attribs['name'], 1);
}
$this->dir_names[] = $attribs['name'];
}
if (isset($attribs['baseinstalldir'])) {
$this->dir_install = $attribs['baseinstalldir'];
}
if (isset($attribs['role'])) {
$this->dir_role = $attribs['role'];
}
break;
case 'file':
if ($this->in_changelog) {
break;
}
if (isset($attribs['name'])) {
$path = '';
if (count($this->dir_names)) {
foreach ($this->dir_names as $dir) {
$path .= $dir . '/';
}
}
$path .= preg_replace(array('!\\\\+!', '!/+!'), array('/', '/'),
$attribs['name']);
unset($attribs['name']);
$this->current_path = $path;
$this->filelist[$path] = $attribs;
// Set the baseinstalldir only if the file don't have this attrib
if (!isset($this->filelist[$path]['baseinstalldir']) &&
isset($this->dir_install))
{
$this->filelist[$path]['baseinstalldir'] = $this->dir_install;
}
// Set the Role
if (!isset($this->filelist[$path]['role']) && isset($this->dir_role)) {
$this->filelist[$path]['role'] = $this->dir_role;
}
}
break;
case 'replace':
if (!$this->in_changelog) {
$this->filelist[$this->current_path]['replacements'][] = $attribs;
}
break;
case 'maintainers':
$this->_packageInfo['maintainers'] = array();
$this->m_i = 0; // maintainers array index
break;
case 'maintainer':
// compatibility check
if (!isset($this->_packageInfo['maintainers'])) {
$this->_packageInfo['maintainers'] = array();
$this->m_i = 0;
}
$this->_packageInfo['maintainers'][$this->m_i] = array();
$this->current_maintainer =& $this->_packageInfo['maintainers'][$this->m_i];
break;
case 'changelog':
$this->_packageInfo['changelog'] = array();
$this->c_i = 0; // changelog array index
$this->in_changelog = true;
break;
case 'release':
if ($this->in_changelog) {
$this->_packageInfo['changelog'][$this->c_i] = array();
$this->current_release = &$this->_packageInfo['changelog'][$this->c_i];
} else {
$this->current_release = &$this->_packageInfo;
}
break;
case 'deps':
if (!$this->in_changelog) {
$this->_packageInfo['release_deps'] = array();
}
break;
case 'dep':
// dependencies array index
if (!$this->in_changelog) {
$this->d_i++;
isset($attribs['type']) ? ($attribs['type'] = strtolower($attribs['type'])) : false;
$this->_packageInfo['release_deps'][$this->d_i] = $attribs;
}
break;
case 'configureoptions':
if (!$this->in_changelog) {
$this->_packageInfo['configure_options'] = array();
}
break;
case 'configureoption':
if (!$this->in_changelog) {
$this->_packageInfo['configure_options'][] = $attribs;
}
break;
case 'provides':
if (empty($attribs['type']) || empty($attribs['name'])) {
break;
}
$attribs['explicit'] = true;
$this->_packageInfo['provides']["$attribs[type];$attribs[name]"] = $attribs;
break;
case 'package' :
if (isset($attribs['version'])) {
$this->_packageInfo['xsdversion'] = trim($attribs['version']);
} else {
$this->_packageInfo['xsdversion'] = '1.0';
}
if (isset($attribs['packagerversion'])) {
$this->_packageInfo['packagerversion'] = $attribs['packagerversion'];
}
break;
}
}
// }}}
// {{{ _element_end_1_0()
/**
* XML parser callback for ending elements. Used for version 1.0
* packages.
*
* @param resource $xp XML parser resource
* @param string $name name of ending element
*
* @return void
*
* @access private
*/
function _element_end_1_0($xp, $name)
{
$data = trim($this->cdata);
switch ($name) {
case 'name':
switch ($this->prev_element) {
case 'package':
$this->_packageInfo['package'] = $data;
break;
case 'maintainer':
$this->current_maintainer['name'] = $data;
break;
}
break;
case 'extends' :
$this->_packageInfo['extends'] = $data;
break;
case 'summary':
$this->_packageInfo['summary'] = $data;
break;
case 'description':
$data = $this->_unIndent($this->cdata);
$this->_packageInfo['description'] = $data;
break;
case 'user':
$this->current_maintainer['handle'] = $data;
break;
case 'email':
$this->current_maintainer['email'] = $data;
break;
case 'role':
$this->current_maintainer['role'] = $data;
break;
case 'version':
//$data = ereg_replace ('[^a-zA-Z0-9._\-]', '_', $data);
if ($this->in_changelog) {
$this->current_release['version'] = $data;
} else {
$this->_packageInfo['version'] = $data;
}
break;
case 'date':
if ($this->in_changelog) {
$this->current_release['release_date'] = $data;
} else {
$this->_packageInfo['release_date'] = $data;
}
break;
case 'notes':
// try to "de-indent" release notes in case someone
// has been over-indenting their xml ;-)
$data = $this->_unIndent($this->cdata);
if ($this->in_changelog) {
$this->current_release['release_notes'] = $data;
} else {
$this->_packageInfo['release_notes'] = $data;
}
break;
case 'warnings':
if ($this->in_changelog) {
$this->current_release['release_warnings'] = $data;
} else {
$this->_packageInfo['release_warnings'] = $data;
}
break;
case 'state':
if ($this->in_changelog) {
$this->current_release['release_state'] = $data;
} else {
$this->_packageInfo['release_state'] = $data;
}
break;
case 'license':
if ($this->in_changelog) {
$this->current_release['release_license'] = $data;
} else {
$this->_packageInfo['release_license'] = $data;
}
break;
case 'dep':
if ($data && !$this->in_changelog) {
$this->_packageInfo['release_deps'][$this->d_i]['name'] = $data;
}
break;
case 'dir':
if ($this->in_changelog) {
break;
}
array_pop($this->dir_names);
break;
case 'file':
if ($this->in_changelog) {
break;
}
if ($data) {
$path = '';
if (count($this->dir_names)) {
foreach ($this->dir_names as $dir) {
$path .= $dir . '/';
}
}
$path .= $data;
$this->filelist[$path] = $this->current_attributes;
// Set the baseinstalldir only if the file don't have this attrib
if (!isset($this->filelist[$path]['baseinstalldir']) &&
isset($this->dir_install))
{
$this->filelist[$path]['baseinstalldir'] = $this->dir_install;
}
// Set the Role
if (!isset($this->filelist[$path]['role']) && isset($this->dir_role)) {
$this->filelist[$path]['role'] = $this->dir_role;
}
}
break;
case 'maintainer':
if (empty($this->_packageInfo['maintainers'][$this->m_i]['role'])) {
$this->_packageInfo['maintainers'][$this->m_i]['role'] = 'lead';
}
$this->m_i++;
break;
case 'release':
if ($this->in_changelog) {
$this->c_i++;
}
break;
case 'changelog':
$this->in_changelog = false;
break;
}
array_pop($this->element_stack);
$spos = sizeof($this->element_stack) - 1;
$this->current_element = ($spos > 0) ? $this->element_stack[$spos] : '';
$this->cdata = '';
}
// }}}
// {{{ _pkginfo_cdata_1_0()
/**
* XML parser callback for character data. Used for version 1.0
* packages.
*
* @param resource $xp XML parser resource
* @param string $name character data
*
* @return void
*
* @access private
*/
function _pkginfo_cdata_1_0($xp, $data)
{
if (isset($this->cdata)) {
$this->cdata .= $data;
}
}
// }}}
}
?>