]> wagnertech.de Git - timetracker.git/blobdiff - WEB-INF/lib/pear/PEAR/PackageFile/v2/rw.php
Initial repo created
[timetracker.git] / WEB-INF / lib / pear / PEAR / PackageFile / v2 / rw.php
diff --git a/WEB-INF/lib/pear/PEAR/PackageFile/v2/rw.php b/WEB-INF/lib/pear/PEAR/PackageFile/v2/rw.php
new file mode 100644 (file)
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--- /dev/null
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+<?php
+/**
+ * PEAR_PackageFile_v2, package.xml version 2.0, read/write version
+ *
+ * PHP versions 4 and 5
+ *
+ * @category   pear
+ * @package    PEAR
+ * @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: rw.php 313023 2011-07-06 19:17:11Z dufuz $
+ * @link       http://pear.php.net/package/PEAR
+ * @since      File available since Release 1.4.0a8
+ */
+/**
+ * For base class
+ */
+require_once 'PEAR/PackageFile/v2.php';
+/**
+ * @category   pear
+ * @package    PEAR
+ * @author     Greg Beaver <cellog@php.net>
+ * @copyright  1997-2009 The Authors
+ * @license    http://opensource.org/licenses/bsd-license.php New BSD License
+ * @version    Release: 1.9.4
+ * @link       http://pear.php.net/package/PEAR
+ * @since      Class available since Release 1.4.0a8
+ */
+class PEAR_PackageFile_v2_rw extends PEAR_PackageFile_v2
+{
+    /**
+     * @param string Extension name
+     * @return bool success of operation
+     */
+    function setProvidesExtension($extension)
+    {
+        if (in_array($this->getPackageType(),
+              array('extsrc', 'extbin', 'zendextsrc', 'zendextbin'))) {
+            if (!isset($this->_packageInfo['providesextension'])) {
+                // ensure that the channel tag is set up in the right location
+                $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
+                    array('usesrole', 'usestask', 'srcpackage', 'srcuri', 'phprelease',
+                    'extsrcrelease', 'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                    'bundle', 'changelog'),
+                    $extension, 'providesextension');
+            }
+            $this->_packageInfo['providesextension'] = $extension;
+            return true;
+        }
+        return false;
+    }
+
+    function setPackage($package)
+    {
+        $this->_isValid = 0;
+        if (!isset($this->_packageInfo['attribs'])) {
+            $this->_packageInfo = array_merge(array('attribs' => array(
+                                 'version' => '2.0',
+                                 'xmlns' => 'http://pear.php.net/dtd/package-2.0',
+                                 'xmlns:tasks' => 'http://pear.php.net/dtd/tasks-1.0',
+                                 'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
+                                 'xsi:schemaLocation' => 'http://pear.php.net/dtd/tasks-1.0
+    http://pear.php.net/dtd/tasks-1.0.xsd
+    http://pear.php.net/dtd/package-2.0
+    http://pear.php.net/dtd/package-2.0.xsd',
+                             )), $this->_packageInfo);
+        }
+        if (!isset($this->_packageInfo['name'])) {
+            return $this->_packageInfo = array_merge(array('name' => $package),
+                $this->_packageInfo);
+        }
+        $this->_packageInfo['name'] = $package;
+    }
+
+    /**
+     * set this as a package.xml version 2.1
+     * @access private
+     */
+    function _setPackageVersion2_1()
+    {
+        $info = array(
+                                 'version' => '2.1',
+                                 'xmlns' => 'http://pear.php.net/dtd/package-2.1',
+                                 'xmlns:tasks' => 'http://pear.php.net/dtd/tasks-1.0',
+                                 'xmlns:xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
+                                 'xsi:schemaLocation' => 'http://pear.php.net/dtd/tasks-1.0
+    http://pear.php.net/dtd/tasks-1.0.xsd
+    http://pear.php.net/dtd/package-2.1
+    http://pear.php.net/dtd/package-2.1.xsd',
+                             );
+        if (!isset($this->_packageInfo['attribs'])) {
+            $this->_packageInfo = array_merge(array('attribs' => $info), $this->_packageInfo);
+        } else {
+            $this->_packageInfo['attribs'] = $info;
+        }
+    }
+
+    function setUri($uri)
+    {
+        unset($this->_packageInfo['channel']);
+        $this->_isValid = 0;
+        if (!isset($this->_packageInfo['uri'])) {
+            // ensure that the uri tag is set up in the right location
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
+                array('extends', 'summary', 'description', 'lead',
+                'developer', 'contributor', 'helper', 'date', 'time', 'version',
+                'stability', 'license', 'notes', 'contents', 'compatible',
+                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
+                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'extbinrelease', 'bundle', 'changelog'), $uri, 'uri');
+        }
+        $this->_packageInfo['uri'] = $uri;
+    }
+
+    function setChannel($channel)
+    {
+        unset($this->_packageInfo['uri']);
+        $this->_isValid = 0;
+        if (!isset($this->_packageInfo['channel'])) {
+            // ensure that the channel tag is set up in the right location
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
+                array('extends', 'summary', 'description', 'lead',
+                'developer', 'contributor', 'helper', 'date', 'time', 'version',
+                'stability', 'license', 'notes', 'contents', 'compatible',
+                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
+                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'extbinrelease', 'bundle', 'changelog'), $channel, 'channel');
+        }
+        $this->_packageInfo['channel'] = $channel;
+    }
+
+    function setExtends($extends)
+    {
+        $this->_isValid = 0;
+        if (!isset($this->_packageInfo['extends'])) {
+            // ensure that the extends tag is set up in the right location
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
+                array('summary', 'description', 'lead',
+                'developer', 'contributor', 'helper', 'date', 'time', 'version',
+                'stability', 'license', 'notes', 'contents', 'compatible',
+                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
+                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'extbinrelease', 'bundle', 'changelog'), $extends, 'extends');
+        }
+        $this->_packageInfo['extends'] = $extends;
+    }
+
+    function setSummary($summary)
+    {
+        $this->_isValid = 0;
+        if (!isset($this->_packageInfo['summary'])) {
+            // ensure that the summary tag is set up in the right location
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
+                array('description', 'lead',
+                'developer', 'contributor', 'helper', 'date', 'time', 'version',
+                'stability', 'license', 'notes', 'contents', 'compatible',
+                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
+                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'extbinrelease', 'bundle', 'changelog'), $summary, 'summary');
+        }
+        $this->_packageInfo['summary'] = $summary;
+    }
+
+    function setDescription($desc)
+    {
+        $this->_isValid = 0;
+        if (!isset($this->_packageInfo['description'])) {
+            // ensure that the description tag is set up in the right location
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
+                array('lead',
+                'developer', 'contributor', 'helper', 'date', 'time', 'version',
+                'stability', 'license', 'notes', 'contents', 'compatible',
+                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
+                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'extbinrelease', 'bundle', 'changelog'), $desc, 'description');
+        }
+        $this->_packageInfo['description'] = $desc;
+    }
+
+    /**
+     * Adds a new maintainer - no checking of duplicates is performed, use
+     * updatemaintainer for that purpose.
+     */
+    function addMaintainer($role, $handle, $name, $email, $active = 'yes')
+    {
+        if (!in_array($role, array('lead', 'developer', 'contributor', 'helper'))) {
+            return false;
+        }
+        if (isset($this->_packageInfo[$role])) {
+            if (!isset($this->_packageInfo[$role][0])) {
+                $this->_packageInfo[$role] = array($this->_packageInfo[$role]);
+            }
+            $this->_packageInfo[$role][] =
+                array(
+                    'name' => $name,
+                    'user' => $handle,
+                    'email' => $email,
+                    'active' => $active,
+                );
+        } else {
+            $testarr = array('lead',
+                    'developer', 'contributor', 'helper', 'date', 'time', 'version',
+                    'stability', 'license', 'notes', 'contents', 'compatible',
+                    'dependencies', 'providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease',
+                    'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog');
+            foreach (array('lead', 'developer', 'contributor', 'helper') as $testrole) {
+                array_shift($testarr);
+                if ($role == $testrole) {
+                    break;
+                }
+            }
+            if (!isset($this->_packageInfo[$role])) {
+                // ensure that the extends tag is set up in the right location
+                $this->_packageInfo = $this->_insertBefore($this->_packageInfo, $testarr,
+                    array(), $role);
+            }
+            $this->_packageInfo[$role] =
+                array(
+                    'name' => $name,
+                    'user' => $handle,
+                    'email' => $email,
+                    'active' => $active,
+                );
+        }
+        $this->_isValid = 0;
+    }
+
+    function updateMaintainer($newrole, $handle, $name, $email, $active = 'yes')
+    {
+        $found = false;
+        foreach (array('lead', 'developer', 'contributor', 'helper') as $role) {
+            if (!isset($this->_packageInfo[$role])) {
+                continue;
+            }
+            $info = $this->_packageInfo[$role];
+            if (!isset($info[0])) {
+                if ($info['user'] == $handle) {
+                    $found = true;
+                    break;
+                }
+            }
+            foreach ($info as $i => $maintainer) {
+                if ($maintainer['user'] == $handle) {
+                    $found = $i;
+                    break 2;
+                }
+            }
+        }
+        if ($found === false) {
+            return $this->addMaintainer($newrole, $handle, $name, $email, $active);
+        }
+        if ($found !== false) {
+            if ($found === true) {
+                unset($this->_packageInfo[$role]);
+            } else {
+                unset($this->_packageInfo[$role][$found]);
+                $this->_packageInfo[$role] = array_values($this->_packageInfo[$role]);
+            }
+        }
+        $this->addMaintainer($newrole, $handle, $name, $email, $active);
+        $this->_isValid = 0;
+    }
+
+    function deleteMaintainer($handle)
+    {
+        $found = false;
+        foreach (array('lead', 'developer', 'contributor', 'helper') as $role) {
+            if (!isset($this->_packageInfo[$role])) {
+                continue;
+            }
+            if (!isset($this->_packageInfo[$role][0])) {
+                $this->_packageInfo[$role] = array($this->_packageInfo[$role]);
+            }
+            foreach ($this->_packageInfo[$role] as $i => $maintainer) {
+                if ($maintainer['user'] == $handle) {
+                    $found = $i;
+                    break;
+                }
+            }
+            if ($found !== false) {
+                unset($this->_packageInfo[$role][$found]);
+                if (!count($this->_packageInfo[$role]) && $role == 'lead') {
+                    $this->_isValid = 0;
+                }
+                if (!count($this->_packageInfo[$role])) {
+                    unset($this->_packageInfo[$role]);
+                    return true;
+                }
+                $this->_packageInfo[$role] =
+                    array_values($this->_packageInfo[$role]);
+                if (count($this->_packageInfo[$role]) == 1) {
+                    $this->_packageInfo[$role] = $this->_packageInfo[$role][0];
+                }
+                return true;
+            }
+            if (count($this->_packageInfo[$role]) == 1) {
+                $this->_packageInfo[$role] = $this->_packageInfo[$role][0];
+            }
+        }
+        return false;
+    }
+
+    function setReleaseVersion($version)
+    {
+        if (isset($this->_packageInfo['version']) &&
+              isset($this->_packageInfo['version']['release'])) {
+            unset($this->_packageInfo['version']['release']);
+        }
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $version, array(
+            'version' => array('stability', 'license', 'notes', 'contents', 'compatible',
+                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
+                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'extbinrelease', 'bundle', 'changelog'),
+            'release' => array('api')));
+        $this->_isValid = 0;
+    }
+
+    function setAPIVersion($version)
+    {
+        if (isset($this->_packageInfo['version']) &&
+              isset($this->_packageInfo['version']['api'])) {
+            unset($this->_packageInfo['version']['api']);
+        }
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $version, array(
+            'version' => array('stability', 'license', 'notes', 'contents', 'compatible',
+                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
+                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'extbinrelease', 'bundle', 'changelog'),
+            'api' => array()));
+        $this->_isValid = 0;
+    }
+
+    /**
+     * snapshot|devel|alpha|beta|stable
+     */
+    function setReleaseStability($state)
+    {
+        if (isset($this->_packageInfo['stability']) &&
+              isset($this->_packageInfo['stability']['release'])) {
+            unset($this->_packageInfo['stability']['release']);
+        }
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $state, array(
+            'stability' => array('license', 'notes', 'contents', 'compatible',
+                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
+                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'extbinrelease', 'bundle', 'changelog'),
+            'release' => array('api')));
+        $this->_isValid = 0;
+    }
+
+    /**
+     * @param devel|alpha|beta|stable
+     */
+    function setAPIStability($state)
+    {
+        if (isset($this->_packageInfo['stability']) &&
+              isset($this->_packageInfo['stability']['api'])) {
+            unset($this->_packageInfo['stability']['api']);
+        }
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $state, array(
+            'stability' => array('license', 'notes', 'contents', 'compatible',
+                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
+                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'extbinrelease', 'bundle', 'changelog'),
+            'api' => array()));
+        $this->_isValid = 0;
+    }
+
+    function setLicense($license, $uri = false, $filesource = false)
+    {
+        if (!isset($this->_packageInfo['license'])) {
+            // ensure that the license tag is set up in the right location
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
+                array('notes', 'contents', 'compatible',
+                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
+                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'extbinrelease', 'bundle', 'changelog'), 0, 'license');
+        }
+        if ($uri || $filesource) {
+            $attribs = array();
+            if ($uri) {
+                $attribs['uri'] = $uri;
+            }
+            $uri = true; // for test below
+            if ($filesource) {
+                $attribs['filesource'] = $filesource;
+            }
+        }
+        $license = $uri ? array('attribs' => $attribs, '_content' => $license) : $license;
+        $this->_packageInfo['license'] = $license;
+        $this->_isValid = 0;
+    }
+
+    function setNotes($notes)
+    {
+        $this->_isValid = 0;
+        if (!isset($this->_packageInfo['notes'])) {
+            // ensure that the notes tag is set up in the right location
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
+                array('contents', 'compatible',
+                'dependencies', 'providesextension', 'usesrole', 'usestask', 'srcpackage', 'srcuri',
+                'phprelease', 'extsrcrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'extbinrelease', 'bundle', 'changelog'), $notes, 'notes');
+        }
+        $this->_packageInfo['notes'] = $notes;
+    }
+
+    /**
+     * This is only used at install-time, after all serialization
+     * is over.
+     * @param string file name
+     * @param string installed path
+     */
+    function setInstalledAs($file, $path)
+    {
+        if ($path) {
+            return $this->_packageInfo['filelist'][$file]['installed_as'] = $path;
+        }
+        unset($this->_packageInfo['filelist'][$file]['installed_as']);
+    }
+
+    /**
+     * This is only used at install-time, after all serialization
+     * is over.
+     */
+    function installedFile($file, $atts)
+    {
+        if (isset($this->_packageInfo['filelist'][$file])) {
+            $this->_packageInfo['filelist'][$file] =
+                array_merge($this->_packageInfo['filelist'][$file], $atts['attribs']);
+        } else {
+            $this->_packageInfo['filelist'][$file] = $atts['attribs'];
+        }
+    }
+
+    /**
+     * Reset the listing of package contents
+     * @param string base installation dir for the whole package, if any
+     */
+    function clearContents($baseinstall = false)
+    {
+        $this->_filesValid = false;
+        $this->_isValid = 0;
+        if (!isset($this->_packageInfo['contents'])) {
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
+                array('compatible',
+                    'dependencies', 'providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease',
+                    'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                    'bundle', 'changelog'), array(), 'contents');
+        }
+        if ($this->getPackageType() != 'bundle') {
+            $this->_packageInfo['contents'] =
+                array('dir' => array('attribs' => array('name' => '/')));
+            if ($baseinstall) {
+                $this->_packageInfo['contents']['dir']['attribs']['baseinstalldir'] = $baseinstall;
+            }
+        } else {
+            $this->_packageInfo['contents'] = array('bundledpackage' => array());
+        }
+    }
+
+    /**
+     * @param string relative path of the bundled package.
+     */
+    function addBundledPackage($path)
+    {
+        if ($this->getPackageType() != 'bundle') {
+            return false;
+        }
+        $this->_filesValid = false;
+        $this->_isValid = 0;
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $path, array(
+                'contents' => array('compatible', 'dependencies', 'providesextension',
+                'usesrole', 'usestask', 'srcpackage', 'srcuri', 'phprelease',
+                'extsrcrelease', 'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'bundle', 'changelog'),
+                'bundledpackage' => array()));
+    }
+
+    /**
+     * @param string file name
+     * @param PEAR_Task_Common a read/write task
+     */
+    function addTaskToFile($filename, $task)
+    {
+        if (!method_exists($task, 'getXml')) {
+            return false;
+        }
+        if (!method_exists($task, 'getName')) {
+            return false;
+        }
+        if (!method_exists($task, 'validate')) {
+            return false;
+        }
+        if (!$task->validate()) {
+            return false;
+        }
+        if (!isset($this->_packageInfo['contents']['dir']['file'])) {
+            return false;
+        }
+        $this->getTasksNs(); // discover the tasks namespace if not done already
+        $files = $this->_packageInfo['contents']['dir']['file'];
+        if (!isset($files[0])) {
+            $files = array($files);
+            $ind = false;
+        } else {
+            $ind = true;
+        }
+        foreach ($files as $i => $file) {
+            if (isset($file['attribs'])) {
+                if ($file['attribs']['name'] == $filename) {
+                    if ($ind) {
+                        $t = isset($this->_packageInfo['contents']['dir']['file'][$i]
+                              ['attribs'][$this->_tasksNs .
+                              ':' . $task->getName()]) ?
+                              $this->_packageInfo['contents']['dir']['file'][$i]
+                              ['attribs'][$this->_tasksNs .
+                              ':' . $task->getName()] : false;
+                        if ($t && !isset($t[0])) {
+                            $this->_packageInfo['contents']['dir']['file'][$i]
+                                [$this->_tasksNs . ':' . $task->getName()] = array($t);
+                        }
+                        $this->_packageInfo['contents']['dir']['file'][$i][$this->_tasksNs .
+                            ':' . $task->getName()][] = $task->getXml();
+                    } else {
+                        $t = isset($this->_packageInfo['contents']['dir']['file']
+                              ['attribs'][$this->_tasksNs .
+                              ':' . $task->getName()]) ? $this->_packageInfo['contents']['dir']['file']
+                              ['attribs'][$this->_tasksNs .
+                              ':' . $task->getName()] : false;
+                        if ($t && !isset($t[0])) {
+                            $this->_packageInfo['contents']['dir']['file']
+                                [$this->_tasksNs . ':' . $task->getName()] = array($t);
+                        }
+                        $this->_packageInfo['contents']['dir']['file'][$this->_tasksNs .
+                            ':' . $task->getName()][] = $task->getXml();
+                    }
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    /**
+     * @param string path to the file
+     * @param string filename
+     * @param array extra attributes
+     */
+    function addFile($dir, $file, $attrs)
+    {
+        if ($this->getPackageType() == 'bundle') {
+            return false;
+        }
+        $this->_filesValid = false;
+        $this->_isValid = 0;
+        $dir = preg_replace(array('!\\\\+!', '!/+!'), array('/', '/'), $dir);
+        if ($dir == '/' || $dir == '') {
+            $dir = '';
+        } else {
+            $dir .= '/';
+        }
+        $attrs['name'] = $dir . $file;
+        if (!isset($this->_packageInfo['contents'])) {
+            // ensure that the contents tag is set up
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo,
+                array('compatible', 'dependencies', 'providesextension', 'usesrole', 'usestask',
+                'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease',
+                'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'bundle', 'changelog'), array(), 'contents');
+        }
+        if (isset($this->_packageInfo['contents']['dir']['file'])) {
+            if (!isset($this->_packageInfo['contents']['dir']['file'][0])) {
+                $this->_packageInfo['contents']['dir']['file'] =
+                    array($this->_packageInfo['contents']['dir']['file']);
+            }
+            $this->_packageInfo['contents']['dir']['file'][]['attribs'] = $attrs;
+        } else {
+            $this->_packageInfo['contents']['dir']['file']['attribs'] = $attrs;
+        }
+    }
+
+    /**
+     * @param string Dependent package name
+     * @param string Dependent package's channel name
+     * @param string minimum version of specified package that this release is guaranteed to be
+     *               compatible with
+     * @param string maximum version of specified package that this release is guaranteed to be
+     *               compatible with
+     * @param string versions of specified package that this release is not compatible with
+     */
+    function addCompatiblePackage($name, $channel, $min, $max, $exclude = false)
+    {
+        $this->_isValid = 0;
+        $set = array(
+            'name' => $name,
+            'channel' => $channel,
+            'min' => $min,
+            'max' => $max,
+        );
+        if ($exclude) {
+            $set['exclude'] = $exclude;
+        }
+        $this->_isValid = 0;
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $set, array(
+                'compatible' => array('dependencies', 'providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog')
+            ));
+    }
+
+    /**
+     * Removes the <usesrole> tag entirely
+     */
+    function resetUsesrole()
+    {
+        if (isset($this->_packageInfo['usesrole'])) {
+            unset($this->_packageInfo['usesrole']);
+        }
+    }
+
+    /**
+     * @param string
+     * @param string package name or uri
+     * @param string channel name if non-uri
+     */
+    function addUsesrole($role, $packageOrUri, $channel = false) {
+        $set = array('role' => $role);
+        if ($channel) {
+            $set['package'] = $packageOrUri;
+            $set['channel'] = $channel;
+        } else {
+            $set['uri'] = $packageOrUri;
+        }
+        $this->_isValid = 0;
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $set, array(
+                'usesrole' => array('usestask', 'srcpackage', 'srcuri',
+                    'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog')
+            ));
+    }
+
+    /**
+     * Removes the <usestask> tag entirely
+     */
+    function resetUsestask()
+    {
+        if (isset($this->_packageInfo['usestask'])) {
+            unset($this->_packageInfo['usestask']);
+        }
+    }
+
+
+    /**
+     * @param string
+     * @param string package name or uri
+     * @param string channel name if non-uri
+     */
+    function addUsestask($task, $packageOrUri, $channel = false) {
+        $set = array('task' => $task);
+        if ($channel) {
+            $set['package'] = $packageOrUri;
+            $set['channel'] = $channel;
+        } else {
+            $set['uri'] = $packageOrUri;
+        }
+        $this->_isValid = 0;
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $set, array(
+                'usestask' => array('srcpackage', 'srcuri',
+                    'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog')
+            ));
+    }
+
+    /**
+     * Remove all compatible tags
+     */
+    function clearCompatible()
+    {
+        unset($this->_packageInfo['compatible']);
+    }
+
+    /**
+     * Reset dependencies prior to adding new ones
+     */
+    function clearDeps()
+    {
+        if (!isset($this->_packageInfo['dependencies'])) {
+            $this->_packageInfo = $this->_mergeTag($this->_packageInfo, array(),
+                array(
+                    'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                        'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                        'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog')));
+        }
+        $this->_packageInfo['dependencies'] = array();
+    }
+
+    /**
+     * @param string minimum PHP version allowed
+     * @param string maximum PHP version allowed
+     * @param array $exclude incompatible PHP versions
+     */
+    function setPhpDep($min, $max = false, $exclude = false)
+    {
+        $this->_isValid = 0;
+        $dep =
+            array(
+                'min' => $min,
+            );
+        if ($max) {
+            $dep['max'] = $max;
+        }
+        if ($exclude) {
+            if (count($exclude) == 1) {
+                $exclude = $exclude[0];
+            }
+            $dep['exclude'] = $exclude;
+        }
+        if (isset($this->_packageInfo['dependencies']['required']['php'])) {
+            $this->_stack->push(__FUNCTION__, 'warning', array('dep' =>
+            $this->_packageInfo['dependencies']['required']['php']),
+                'warning: PHP dependency already exists, overwriting');
+            unset($this->_packageInfo['dependencies']['required']['php']);
+        }
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                'required' => array('optional', 'group'),
+                'php' => array('pearinstaller', 'package', 'subpackage', 'extension', 'os', 'arch')
+            ));
+        return true;
+    }
+
+    /**
+     * @param string minimum allowed PEAR installer version
+     * @param string maximum allowed PEAR installer version
+     * @param string recommended PEAR installer version
+     * @param array incompatible version of the PEAR installer
+     */
+    function setPearinstallerDep($min, $max = false, $recommended = false, $exclude = false)
+    {
+        $this->_isValid = 0;
+        $dep =
+            array(
+                'min' => $min,
+            );
+        if ($max) {
+            $dep['max'] = $max;
+        }
+        if ($recommended) {
+            $dep['recommended'] = $recommended;
+        }
+        if ($exclude) {
+            if (count($exclude) == 1) {
+                $exclude = $exclude[0];
+            }
+            $dep['exclude'] = $exclude;
+        }
+        if (isset($this->_packageInfo['dependencies']['required']['pearinstaller'])) {
+            $this->_stack->push(__FUNCTION__, 'warning', array('dep' =>
+            $this->_packageInfo['dependencies']['required']['pearinstaller']),
+                'warning: PEAR Installer dependency already exists, overwriting');
+            unset($this->_packageInfo['dependencies']['required']['pearinstaller']);
+        }
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                'required' => array('optional', 'group'),
+                'pearinstaller' => array('package', 'subpackage', 'extension', 'os', 'arch')
+            ));
+    }
+
+    /**
+     * Mark a package as conflicting with this package
+     * @param string package name
+     * @param string package channel
+     * @param string extension this package provides, if any
+     * @param string|false minimum version required
+     * @param string|false maximum version allowed
+     * @param array|false versions to exclude from installation
+     */
+    function addConflictingPackageDepWithChannel($name, $channel,
+                $providesextension = false, $min = false, $max = false, $exclude = false)
+    {
+        $this->_isValid = 0;
+        $dep = $this->_constructDep($name, $channel, false, $min, $max, false,
+            $exclude, $providesextension, false, true);
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                'required' => array('optional', 'group'),
+                'package' => array('subpackage', 'extension', 'os', 'arch')
+            ));
+    }
+
+    /**
+     * Mark a package as conflicting with this package
+     * @param string package name
+     * @param string package channel
+     * @param string extension this package provides, if any
+     */
+    function addConflictingPackageDepWithUri($name, $uri, $providesextension = false)
+    {
+        $this->_isValid = 0;
+        $dep =
+            array(
+                'name' => $name,
+                'uri' => $uri,
+                'conflicts' => '',
+            );
+        if ($providesextension) {
+            $dep['providesextension'] = $providesextension;
+        }
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                'required' => array('optional', 'group'),
+                'package' => array('subpackage', 'extension', 'os', 'arch')
+            ));
+    }
+
+    function addDependencyGroup($name, $hint)
+    {
+        $this->_isValid = 0;
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo,
+            array('attribs' => array('name' => $name, 'hint' => $hint)),
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                'group' => array(),
+            ));
+    }
+
+    /**
+     * @param string package name
+     * @param string|false channel name, false if this is a uri
+     * @param string|false uri name, false if this is a channel
+     * @param string|false minimum version required
+     * @param string|false maximum version allowed
+     * @param string|false recommended installation version
+     * @param array|false versions to exclude from installation
+     * @param string extension this package provides, if any
+     * @param bool if true, tells the installer to ignore the default optional dependency group
+     *             when installing this package
+     * @param bool if true, tells the installer to negate this dependency (conflicts)
+     * @return array
+     * @access private
+     */
+    function _constructDep($name, $channel, $uri, $min, $max, $recommended, $exclude,
+                           $providesextension = false, $nodefault = false,
+                           $conflicts = false)
+    {
+        $dep =
+            array(
+                'name' => $name,
+            );
+        if ($channel) {
+            $dep['channel'] = $channel;
+        } elseif ($uri) {
+            $dep['uri'] = $uri;
+        }
+        if ($min) {
+            $dep['min'] = $min;
+        }
+        if ($max) {
+            $dep['max'] = $max;
+        }
+        if ($recommended) {
+            $dep['recommended'] = $recommended;
+        }
+        if ($exclude) {
+            if (is_array($exclude) && count($exclude) == 1) {
+                $exclude = $exclude[0];
+            }
+            $dep['exclude'] = $exclude;
+        }
+        if ($conflicts) {
+            $dep['conflicts'] = '';
+        }
+        if ($nodefault) {
+            $dep['nodefault'] = '';
+        }
+        if ($providesextension) {
+            $dep['providesextension'] = $providesextension;
+        }
+        return $dep;
+    }
+
+    /**
+     * @param package|subpackage
+     * @param string group name
+     * @param string package name
+     * @param string package channel
+     * @param string minimum version
+     * @param string maximum version
+     * @param string recommended version
+     * @param array|false optional excluded versions
+     * @param string extension this package provides, if any
+     * @param bool if true, tells the installer to ignore the default optional dependency group
+     *             when installing this package
+     * @return bool false if the dependency group has not been initialized with
+     *              {@link addDependencyGroup()}, or a subpackage is added with
+     *              a providesextension
+     */
+    function addGroupPackageDepWithChannel($type, $groupname, $name, $channel, $min = false,
+                                      $max = false, $recommended = false, $exclude = false,
+                                      $providesextension = false, $nodefault = false)
+    {
+        if ($type == 'subpackage' && $providesextension) {
+            return false; // subpackages must be php packages
+        }
+        $dep = $this->_constructDep($name, $channel, false, $min, $max, $recommended, $exclude,
+            $providesextension, $nodefault);
+        return $this->_addGroupDependency($type, $dep, $groupname);
+    }
+
+    /**
+     * @param package|subpackage
+     * @param string group name
+     * @param string package name
+     * @param string package uri
+     * @param string extension this package provides, if any
+     * @param bool if true, tells the installer to ignore the default optional dependency group
+     *             when installing this package
+     * @return bool false if the dependency group has not been initialized with
+     *              {@link addDependencyGroup()}
+     */
+    function addGroupPackageDepWithURI($type, $groupname, $name, $uri, $providesextension = false,
+                                       $nodefault = false)
+    {
+        if ($type == 'subpackage' && $providesextension) {
+            return false; // subpackages must be php packages
+        }
+        $dep = $this->_constructDep($name, false, $uri, false, false, false, false,
+            $providesextension, $nodefault);
+        return $this->_addGroupDependency($type, $dep, $groupname);
+    }
+
+    /**
+     * @param string group name (must be pre-existing)
+     * @param string extension name
+     * @param string minimum version allowed
+     * @param string maximum version allowed
+     * @param string recommended version
+     * @param array incompatible versions
+     */
+    function addGroupExtensionDep($groupname, $name, $min = false, $max = false,
+                                         $recommended = false, $exclude = false)
+    {
+        $this->_isValid = 0;
+        $dep = $this->_constructDep($name, false, false, $min, $max, $recommended, $exclude);
+        return $this->_addGroupDependency('extension', $dep, $groupname);
+    }
+
+    /**
+     * @param package|subpackage|extension
+     * @param array dependency contents
+     * @param string name of the dependency group to add this to
+     * @return boolean
+     * @access private
+     */
+    function _addGroupDependency($type, $dep, $groupname)
+    {
+        $arr = array('subpackage', 'extension');
+        if ($type != 'package') {
+            array_shift($arr);
+        }
+        if ($type == 'extension') {
+            array_shift($arr);
+        }
+        if (!isset($this->_packageInfo['dependencies']['group'])) {
+            return false;
+        } else {
+            if (!isset($this->_packageInfo['dependencies']['group'][0])) {
+                if ($this->_packageInfo['dependencies']['group']['attribs']['name'] == $groupname) {
+                    $this->_packageInfo['dependencies']['group'] = $this->_mergeTag(
+                        $this->_packageInfo['dependencies']['group'], $dep,
+                        array(
+                            $type => $arr
+                        ));
+                    $this->_isValid = 0;
+                    return true;
+                } else {
+                    return false;
+                }
+            } else {
+                foreach ($this->_packageInfo['dependencies']['group'] as $i => $group) {
+                    if ($group['attribs']['name'] == $groupname) {
+                    $this->_packageInfo['dependencies']['group'][$i] = $this->_mergeTag(
+                        $this->_packageInfo['dependencies']['group'][$i], $dep,
+                        array(
+                            $type => $arr
+                        ));
+                        $this->_isValid = 0;
+                        return true;
+                    }
+                }
+                return false;
+            }
+        }
+    }
+
+    /**
+     * @param optional|required
+     * @param string package name
+     * @param string package channel
+     * @param string minimum version
+     * @param string maximum version
+     * @param string recommended version
+     * @param string extension this package provides, if any
+     * @param bool if true, tells the installer to ignore the default optional dependency group
+     *             when installing this package
+     * @param array|false optional excluded versions
+     */
+    function addPackageDepWithChannel($type, $name, $channel, $min = false, $max = false,
+                                      $recommended = false, $exclude = false,
+                                      $providesextension = false, $nodefault = false)
+    {
+        if (!in_array($type, array('optional', 'required'), true)) {
+            $type = 'required';
+        }
+        $this->_isValid = 0;
+        $arr = array('optional', 'group');
+        if ($type != 'required') {
+            array_shift($arr);
+        }
+        $dep = $this->_constructDep($name, $channel, false, $min, $max, $recommended, $exclude,
+            $providesextension, $nodefault);
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                $type => $arr,
+                'package' => array('subpackage', 'extension', 'os', 'arch')
+            ));
+    }
+
+    /**
+     * @param optional|required
+     * @param string name of the package
+     * @param string uri of the package
+     * @param string extension this package provides, if any
+     * @param bool if true, tells the installer to ignore the default optional dependency group
+     *             when installing this package
+     */
+    function addPackageDepWithUri($type, $name, $uri, $providesextension = false,
+                                  $nodefault = false)
+    {
+        $this->_isValid = 0;
+        $arr = array('optional', 'group');
+        if ($type != 'required') {
+            array_shift($arr);
+        }
+        $dep = $this->_constructDep($name, false, $uri, false, false, false, false,
+            $providesextension, $nodefault);
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                $type => $arr,
+                'package' => array('subpackage', 'extension', 'os', 'arch')
+            ));
+    }
+
+    /**
+     * @param optional|required optional, required
+     * @param string package name
+     * @param string package channel
+     * @param string minimum version
+     * @param string maximum version
+     * @param string recommended version
+     * @param array incompatible versions
+     * @param bool if true, tells the installer to ignore the default optional dependency group
+     *             when installing this package
+     */
+    function addSubpackageDepWithChannel($type, $name, $channel, $min = false, $max = false,
+                                         $recommended = false, $exclude = false,
+                                         $nodefault = false)
+    {
+        $this->_isValid = 0;
+        $arr = array('optional', 'group');
+        if ($type != 'required') {
+            array_shift($arr);
+        }
+        $dep = $this->_constructDep($name, $channel, false, $min, $max, $recommended, $exclude,
+            $nodefault);
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                $type => $arr,
+                'subpackage' => array('extension', 'os', 'arch')
+            ));
+    }
+
+    /**
+     * @param optional|required optional, required
+     * @param string package name
+     * @param string package uri for download
+     * @param bool if true, tells the installer to ignore the default optional dependency group
+     *             when installing this package
+     */
+    function addSubpackageDepWithUri($type, $name, $uri, $nodefault = false)
+    {
+        $this->_isValid = 0;
+        $arr = array('optional', 'group');
+        if ($type != 'required') {
+            array_shift($arr);
+        }
+        $dep = $this->_constructDep($name, false, $uri, false, false, false, false, $nodefault);
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                $type => $arr,
+                'subpackage' => array('extension', 'os', 'arch')
+            ));
+    }
+
+    /**
+     * @param optional|required optional, required
+     * @param string extension name
+     * @param string minimum version
+     * @param string maximum version
+     * @param string recommended version
+     * @param array incompatible versions
+     */
+    function addExtensionDep($type, $name, $min = false, $max = false, $recommended = false,
+                             $exclude = false)
+    {
+        $this->_isValid = 0;
+        $arr = array('optional', 'group');
+        if ($type != 'required') {
+            array_shift($arr);
+        }
+        $dep = $this->_constructDep($name, false, false, $min, $max, $recommended, $exclude);
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                $type => $arr,
+                'extension' => array('os', 'arch')
+            ));
+    }
+
+    /**
+     * @param string Operating system name
+     * @param boolean true if this package cannot be installed on this OS
+     */
+    function addOsDep($name, $conflicts = false)
+    {
+        $this->_isValid = 0;
+        $dep = array('name' => $name);
+        if ($conflicts) {
+            $dep['conflicts'] = '';
+        }
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                'required' => array('optional', 'group'),
+                'os' => array('arch')
+            ));
+    }
+
+    /**
+     * @param string Architecture matching pattern
+     * @param boolean true if this package cannot be installed on this architecture
+     */
+    function addArchDep($pattern, $conflicts = false)
+    {
+        $this->_isValid = 0;
+        $dep = array('pattern' => $pattern);
+        if ($conflicts) {
+            $dep['conflicts'] = '';
+        }
+        $this->_packageInfo = $this->_mergeTag($this->_packageInfo, $dep,
+            array(
+                'dependencies' => array('providesextension', 'usesrole', 'usestask',
+                    'srcpackage', 'srcuri', 'phprelease', 'extsrcrelease', 'extbinrelease',
+                    'zendextsrcrelease', 'zendextbinrelease', 'bundle', 'changelog'),
+                'required' => array('optional', 'group'),
+                'arch' => array()
+            ));
+    }
+
+    /**
+     * Set the kind of package, and erase all release tags
+     *
+     * - a php package is a PEAR-style package
+     * - an extbin package is a PECL-style extension binary
+     * - an extsrc package is a PECL-style source for a binary
+     * - an zendextbin package is a PECL-style zend extension binary
+     * - an zendextsrc package is a PECL-style source for a zend extension binary
+     * - a bundle package is a collection of other pre-packaged packages
+     * @param php|extbin|extsrc|zendextsrc|zendextbin|bundle
+     * @return bool success
+     */
+    function setPackageType($type)
+    {
+        $this->_isValid = 0;
+        if (!in_array($type, array('php', 'extbin', 'extsrc', 'zendextsrc',
+                                   'zendextbin', 'bundle'))) {
+            return false;
+        }
+
+        if (in_array($type, array('zendextsrc', 'zendextbin'))) {
+            $this->_setPackageVersion2_1();
+        }
+
+        if ($type != 'bundle') {
+            $type .= 'release';
+        }
+
+        foreach (array('phprelease', 'extbinrelease', 'extsrcrelease',
+                       'zendextsrcrelease', 'zendextbinrelease', 'bundle') as $test) {
+            unset($this->_packageInfo[$test]);
+        }
+
+        if (!isset($this->_packageInfo[$type])) {
+            // ensure that the release tag is set up
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo, array('changelog'),
+                array(), $type);
+        }
+
+        $this->_packageInfo[$type] = array();
+        return true;
+    }
+
+    /**
+     * @return bool true if package type is set up
+     */
+    function addRelease()
+    {
+        if ($type = $this->getPackageType()) {
+            if ($type != 'bundle') {
+                $type .= 'release';
+            }
+            $this->_packageInfo = $this->_mergeTag($this->_packageInfo, array(),
+                array($type => array('changelog')));
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Get the current release tag in order to add to it
+     * @param bool returns only releases that have installcondition if true
+     * @return array|null
+     */
+    function &_getCurrentRelease($strict = true)
+    {
+        if ($p = $this->getPackageType()) {
+            if ($strict) {
+                if ($p == 'extsrc' || $p == 'zendextsrc') {
+                    $a = null;
+                    return $a;
+                }
+            }
+            if ($p != 'bundle') {
+                $p .= 'release';
+            }
+            if (isset($this->_packageInfo[$p][0])) {
+                return $this->_packageInfo[$p][count($this->_packageInfo[$p]) - 1];
+            } else {
+                return $this->_packageInfo[$p];
+            }
+        } else {
+            $a = null;
+            return $a;
+        }
+    }
+
+    /**
+     * Add a file to the current release that should be installed under a different name
+     * @param string <contents> path to file
+     * @param string name the file should be installed as
+     */
+    function addInstallAs($path, $as)
+    {
+        $r = &$this->_getCurrentRelease();
+        if ($r === null) {
+            return false;
+        }
+        $this->_isValid = 0;
+        $r = $this->_mergeTag($r, array('attribs' => array('name' => $path, 'as' => $as)),
+            array(
+                'filelist' => array(),
+                'install' => array('ignore')
+            ));
+    }
+
+    /**
+     * Add a file to the current release that should be ignored
+     * @param string <contents> path to file
+     * @return bool success of operation
+     */
+    function addIgnore($path)
+    {
+        $r = &$this->_getCurrentRelease();
+        if ($r === null) {
+            return false;
+        }
+        $this->_isValid = 0;
+        $r = $this->_mergeTag($r, array('attribs' => array('name' => $path)),
+            array(
+                'filelist' => array(),
+                'ignore' => array()
+            ));
+    }
+
+    /**
+     * Add an extension binary package for this extension source code release
+     *
+     * Note that the package must be from the same channel as the extension source package
+     * @param string
+     */
+    function addBinarypackage($package)
+    {
+        if ($this->getPackageType() != 'extsrc' && $this->getPackageType() != 'zendextsrc') {
+            return false;
+        }
+        $r = &$this->_getCurrentRelease(false);
+        if ($r === null) {
+            return false;
+        }
+        $this->_isValid = 0;
+        $r = $this->_mergeTag($r, $package,
+            array(
+                'binarypackage' => array('filelist'),
+            ));
+    }
+
+    /**
+     * Add a configureoption to an extension source package
+     * @param string
+     * @param string
+     * @param string
+     */
+    function addConfigureOption($name, $prompt, $default = null)
+    {
+        if ($this->getPackageType() != 'extsrc' && $this->getPackageType() != 'zendextsrc') {
+            return false;
+        }
+
+        $r = &$this->_getCurrentRelease(false);
+        if ($r === null) {
+            return false;
+        }
+
+        $opt = array('attribs' => array('name' => $name, 'prompt' => $prompt));
+        if ($default !== null) {
+            $opt['attribs']['default'] = $default;
+        }
+
+        $this->_isValid = 0;
+        $r = $this->_mergeTag($r, $opt,
+            array(
+                'configureoption' => array('binarypackage', 'filelist'),
+            ));
+    }
+
+    /**
+     * Set an installation condition based on php version for the current release set
+     * @param string minimum version
+     * @param string maximum version
+     * @param false|array incompatible versions of PHP
+     */
+    function setPhpInstallCondition($min, $max, $exclude = false)
+    {
+        $r = &$this->_getCurrentRelease();
+        if ($r === null) {
+            return false;
+        }
+        $this->_isValid = 0;
+        if (isset($r['installconditions']['php'])) {
+            unset($r['installconditions']['php']);
+        }
+        $dep = array('min' => $min, 'max' => $max);
+        if ($exclude) {
+            if (is_array($exclude) && count($exclude) == 1) {
+                $exclude = $exclude[0];
+            }
+            $dep['exclude'] = $exclude;
+        }
+        if ($this->getPackageType() == 'extsrc' || $this->getPackageType() == 'zendextsrc') {
+            $r = $this->_mergeTag($r, $dep,
+                array(
+                    'installconditions' => array('configureoption', 'binarypackage',
+                        'filelist'),
+                    'php' => array('extension', 'os', 'arch')
+                ));
+        } else {
+            $r = $this->_mergeTag($r, $dep,
+                array(
+                    'installconditions' => array('filelist'),
+                    'php' => array('extension', 'os', 'arch')
+                ));
+        }
+    }
+
+    /**
+     * @param optional|required optional, required
+     * @param string extension name
+     * @param string minimum version
+     * @param string maximum version
+     * @param string recommended version
+     * @param array incompatible versions
+     */
+    function addExtensionInstallCondition($name, $min = false, $max = false, $recommended = false,
+                                          $exclude = false)
+    {
+        $r = &$this->_getCurrentRelease();
+        if ($r === null) {
+            return false;
+        }
+        $this->_isValid = 0;
+        $dep = $this->_constructDep($name, false, false, $min, $max, $recommended, $exclude);
+        if ($this->getPackageType() == 'extsrc' || $this->getPackageType() == 'zendextsrc') {
+            $r = $this->_mergeTag($r, $dep,
+                array(
+                    'installconditions' => array('configureoption', 'binarypackage',
+                        'filelist'),
+                    'extension' => array('os', 'arch')
+                ));
+        } else {
+            $r = $this->_mergeTag($r, $dep,
+                array(
+                    'installconditions' => array('filelist'),
+                    'extension' => array('os', 'arch')
+                ));
+        }
+    }
+
+    /**
+     * Set an installation condition based on operating system for the current release set
+     * @param string OS name
+     * @param bool whether this OS is incompatible with the current release
+     */
+    function setOsInstallCondition($name, $conflicts = false)
+    {
+        $r = &$this->_getCurrentRelease();
+        if ($r === null) {
+            return false;
+        }
+        $this->_isValid = 0;
+        if (isset($r['installconditions']['os'])) {
+            unset($r['installconditions']['os']);
+        }
+        $dep = array('name' => $name);
+        if ($conflicts) {
+            $dep['conflicts'] = '';
+        }
+        if ($this->getPackageType() == 'extsrc' || $this->getPackageType() == 'zendextsrc') {
+            $r = $this->_mergeTag($r, $dep,
+                array(
+                    'installconditions' => array('configureoption', 'binarypackage',
+                        'filelist'),
+                    'os' => array('arch')
+                ));
+        } else {
+            $r = $this->_mergeTag($r, $dep,
+                array(
+                    'installconditions' => array('filelist'),
+                    'os' => array('arch')
+                ));
+        }
+    }
+
+    /**
+     * Set an installation condition based on architecture for the current release set
+     * @param string architecture pattern
+     * @param bool whether this arch is incompatible with the current release
+     */
+    function setArchInstallCondition($pattern, $conflicts = false)
+    {
+        $r = &$this->_getCurrentRelease();
+        if ($r === null) {
+            return false;
+        }
+        $this->_isValid = 0;
+        if (isset($r['installconditions']['arch'])) {
+            unset($r['installconditions']['arch']);
+        }
+        $dep = array('pattern' => $pattern);
+        if ($conflicts) {
+            $dep['conflicts'] = '';
+        }
+        if ($this->getPackageType() == 'extsrc' || $this->getPackageType() == 'zendextsrc') {
+            $r = $this->_mergeTag($r, $dep,
+                array(
+                    'installconditions' => array('configureoption', 'binarypackage',
+                        'filelist'),
+                    'arch' => array()
+                ));
+        } else {
+            $r = $this->_mergeTag($r, $dep,
+                array(
+                    'installconditions' => array('filelist'),
+                    'arch' => array()
+                ));
+        }
+    }
+
+    /**
+     * For extension binary releases, this is used to specify either the
+     * static URI to a source package, or the package name and channel of the extsrc/zendextsrc
+     * package it is based on.
+     * @param string Package name, or full URI to source package (extsrc/zendextsrc type)
+     */
+    function setSourcePackage($packageOrUri)
+    {
+        $this->_isValid = 0;
+        if (isset($this->_packageInfo['channel'])) {
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo, array('phprelease',
+                'extsrcrelease', 'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'bundle', 'changelog'),
+                $packageOrUri, 'srcpackage');
+        } else {
+            $this->_packageInfo = $this->_insertBefore($this->_packageInfo, array('phprelease',
+                'extsrcrelease', 'extbinrelease', 'zendextsrcrelease', 'zendextbinrelease',
+                'bundle', 'changelog'), $packageOrUri, 'srcuri');
+        }
+    }
+
+    /**
+     * Generate a valid change log entry from the current package.xml
+     * @param string|false
+     */
+    function generateChangeLogEntry($notes = false)
+    {
+        return array(
+            'version' =>
+                array(
+                    'release' => $this->getVersion('release'),
+                    'api' => $this->getVersion('api'),
+                    ),
+            'stability' =>
+                $this->getStability(),
+            'date' => $this->getDate(),
+            'license' => $this->getLicense(true),
+            'notes' => $notes ? $notes : $this->getNotes()
+            );
+    }
+
+    /**
+     * @param string release version to set change log notes for
+     * @param array output of {@link generateChangeLogEntry()}
+     */
+    function setChangelogEntry($releaseversion, $contents)
+    {
+        if (!isset($this->_packageInfo['changelog'])) {
+            $this->_packageInfo['changelog']['release'] = $contents;
+            return;
+        }
+        if (!isset($this->_packageInfo['changelog']['release'][0])) {
+            if ($this->_packageInfo['changelog']['release']['version']['release'] == $releaseversion) {
+                $this->_packageInfo['changelog']['release'] = array(
+                    $this->_packageInfo['changelog']['release']);
+            } else {
+                $this->_packageInfo['changelog']['release'] = array(
+                    $this->_packageInfo['changelog']['release']);
+                return $this->_packageInfo['changelog']['release'][] = $contents;
+            }
+        }
+        foreach($this->_packageInfo['changelog']['release'] as $index => $changelog) {
+            if (isset($changelog['version']) &&
+                  strnatcasecmp($changelog['version']['release'], $releaseversion) == 0) {
+                $curlog = $index;
+            }
+        }
+        if (isset($curlog)) {
+            $this->_packageInfo['changelog']['release'][$curlog] = $contents;
+        } else {
+            $this->_packageInfo['changelog']['release'][] = $contents;
+        }
+    }
+
+    /**
+     * Remove the changelog entirely
+     */
+    function clearChangeLog()
+    {
+        unset($this->_packageInfo['changelog']);
+    }
+}
\ No newline at end of file