-<?
- $tree_php = true;
+<?php
- if (!isset($imap_php))
- include("../functions/imap.php");
+/**
+ * tree.php
+ *
+ * Copyright (c) 1999-2005 The SquirrelMail Project Team
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * This file provides functions to walk trees of folders, for
+ * instance to delete a whole tree.
+ *
+ * @version $Id$
+ * @package squirrelmail
+ */
- function findParentForChild($value, $treeIndexToStart, $tree) {
- if ((isset($tree[$treeIndexToStart])) && (strstr($value, $tree[$treeIndexToStart]["value"]))) {
- if ($tree[$treeIndexToStart]["doIHaveChildren"]) {
- for ($i=0;$i< count($tree[$treeIndexToStart]["subNodes"]);$i++) {
- $result = findParentForChild($value, $tree[$treeIndexToStart]["subNodes"][$i], $tree);
- if ($result > -1)
- return $result;
+/** Clearly, this needs the IMAP functions.. */
+require_once(SM_PATH . 'functions/imap.php');
+
+/**
+ * Recursive function to find the correct parent for a new node.
+ *
+ * @param mixed value the value to find a parent for
+ * @param int treeIndexToStart where to start the search, usually the root node (0)
+ * @param array tree the tree to search
+ * @return int the index of the parent
+ */
+function findParentForChild($value, $treeIndexToStart, $tree) {
+ // is $value in $tree[$treeIndexToStart]['value']
+ if ((isset($tree[$treeIndexToStart])) && (strstr($value, $tree[$treeIndexToStart]['value']))) {
+ // do I have children, if not then must be a childnode of the current node
+ if ($tree[$treeIndexToStart]['doIHaveChildren']) {
+ // loop through each subNode checking to see if we are a subNode of one of them
+ for ($i=0;$i< count($tree[$treeIndexToStart]['subNodes']);$i++) {
+ $result = findParentForChild($value, $tree[$treeIndexToStart]['subNodes'][$i], $tree);
+ if ($result > -1)
+ return $result;
}
+ // if we aren't a child of one of the subNodes, must be a child of current node
return $treeIndexToStart;
- } else
+ } else
return $treeIndexToStart;
- } else {
- return -1;
- }
- }
+ } else {
+ // we aren't a child of this node at all
+ return -1;
+ }
+}
+
+/**
+ * Will insert a new value into the tree, based on a given comparison value.
+ *
+ * @param mixed comparisonValue the value to determine where the new element should be placed.
+ * @param mixed value the new node to insert
+ * @param array tree the tree to insert the node in, by ref
+ */
+function addChildNodeToTree($comparisonValue, $value, &$tree) {
+ $parentNode = findParentForChild($comparisonValue, 0, $tree);
+
+ // create a new subNode
+ $newNodeIndex = count($tree);
+ $tree[$newNodeIndex]['value'] = $value;
+ $tree[$newNodeIndex]['doIHaveChildren'] = false;
+
+ if ($tree[$parentNode]['doIHaveChildren'] == false) {
+ // make sure the parent knows it has children
+ $tree[$parentNode]['subNodes'][0] = $newNodeIndex;
+ $tree[$parentNode]['doIHaveChildren'] = true;
+ } else {
+ $nextSubNode = count($tree[$parentNode]['subNodes']);
+ // make sure the parent knows it has children
+ $tree[$parentNode]['subNodes'][$nextSubNode] = $newNodeIndex;
+ }
+}
- function addChildNodeToTree($comparisonValue, $value, &$tree) {
- $parentNode = findParentForChild($comparisonValue, 0, $tree);
+/**
+ * Recursively walk the tree of trash mailboxes and delete all folders and messages
+ *
+ * @param int index the place in the tree to start, usually 0
+ * @param stream imap_stream the IMAP connection to send commands to
+ * @param array tree the tree to walk
+ * @return void
+ */
+function walkTreeInPreOrderEmptyTrash($index, $imap_stream, $tree) {
+ global $trash_folder;
+ walkTreeInPreOrderEmptyFolder($index, $imap_stream, $tree, $trash_folder);
+}
+
+/**
+ * Recursively walk the tree of mailboxes in the given folder and delete all folders and messages
+ *
+ * @param int index the place in the tree to start, usually 0
+ * @param stream imap_stream the IMAP connection to send commands to
+ * @param array tree the tree to walk
+ * @param mailbox the name of the root folder to empty
+ * @return void
+ */
+function walkTreeInPreOrderEmptyFolder($index, $imap_stream, $tree, $mailbox) {
+ if ($tree[$index]['doIHaveChildren']) {
+ for ($j = 0; $j < count($tree[$index]['subNodes']); $j++) {
+ walkTreeInPreOrderEmptyTrash($tree[$index]['subNodes'][$j], $imap_stream, $tree);
+ }
+ if ($tree[$index]['value'] != $mailbox) {
+ sqimap_mailbox_delete($imap_stream, $tree[$index]['value']);
+ } else {
+ $mbx_response = sqimap_mailbox_select($imap_stream, $mailbox);
+ if ($mbx_response['EXISTS'] > 0) {
+ sqimap_toggle_flag($imap_stream, '1:*', '\\Deleted', true, true);
+ // CLOSE === EXPUNGE and UNSELECT
+ sqimap_run_command($imap_stream,'CLOSE',false,$response,$message);
+ }
+ }
+ } else {
+ if ($tree[$index]['value'] != $mailbox) {
+ sqimap_mailbox_delete($imap_stream, $tree[$index]['value']);
+ } else {
+ $mbx_response = sqimap_mailbox_select($imap_stream, $mailbox);
+ if ($mbx_response['EXISTS'] > 0) {
+ sqimap_toggle_flag($imap_stream, '1:*', '\\Deleted', true, true);
+ // CLOSE === EXPUNGE and UNSELECT
+ sqimap_run_command($imap_stream,'CLOSE',false,$response,$message);
+ }
+ }
+ }
+}
- // create a new subNode
- $newNodeIndex = count($tree);
- $tree[$newNodeIndex]["value"] = $value;
- $tree[$newNodeIndex]["doIHaveChildren"] = false;
- if ($tree[$parentNode]["doIHaveChildren"] == false) {
- // make sure the parent knows it has children
- $tree[$parentNode]["subNodes"][0] = $newNodeIndex;
- $tree[$parentNode]["doIHaveChildren"] = true;
- } else {
- $nextSubNode = count($tree[$parentNode]["subNodes"]);
- // make sure the parent knows it has children
- $tree[$parentNode]["subNodes"][$nextSubNode] = $newNodeIndex;
- }
- }
+/**
+ * Recursively delete a tree of mail folders.
+ *
+ * @param int index the place in the tree to start, usually 0
+ * @param stream imap_stream the IMAP connection to send commands to
+ * @param array tree the tree to walk
+ * @return void
+ */
+function walkTreeInPreOrderDeleteFolders($index, $imap_stream, $tree) {
+ if ($tree[$index]['doIHaveChildren']) {
+ for ($j = 0; $j < count($tree[$index]['subNodes']); $j++) {
+ walkTreeInPreOrderDeleteFolders($tree[$index]['subNodes'][$j], $imap_stream, $tree);
+ }
+ sqimap_mailbox_delete($imap_stream, $tree[$index]['value']);
+ } else {
+ sqimap_mailbox_delete($imap_stream, $tree[$index]['value']);
+ }
+}
- function walkTreeInPreOrderDeleteFolders($index, $imap_stream, $tree) {
- if ($tree[$index]["doIHaveChildren"]) {
- for ($j = 0; $j < count($tree[$index]["subNodes"]); $j++) {
- walkTreeInPreOrderDeleteFolders($tree[$index]["subNodes"][$j], $imap_stream, $tree);
- }
- sqimap_mailbox_delete($imap_stream, $tree[$index]["value"]);
- } else {
- sqimap_mailbox_delete($imap_stream, $tree[$index]["value"]);
- }
- }
+/**
+ * Recursively walk a tree of folders to create them under the trash folder.
+ */
+function walkTreeInPostOrderCreatingFoldersUnderTrash($index, $imap_stream, $tree, $topFolderName) {
+ global $trash_folder, $delimiter;
- function walkTreeInPostOrderCreatingFoldersUnderTrash($index, $imap_stream, $tree, $dm, $topFolderName) {
- global $trash_folder;
+ $position = strrpos($topFolderName, $delimiter);
+ if ($position !== FALSE) {
+ $position++;
+ }
+ $subFolderName = substr($tree[$index]['value'], $position);
- $position = strrpos($topFolderName, $dm) + 1;
- $subFolderName = substr($tree[$index]["value"], $position);
+ if ($tree[$index]['doIHaveChildren']) {
+ sqimap_mailbox_create($imap_stream, $trash_folder . $delimiter . $subFolderName, "");
+ $mbx_response = sqimap_mailbox_select($imap_stream, $tree[$index]['value']);
+ $messageCount = $mbx_response['EXISTS'];
+ if ($messageCount > 0) {
+ sqimap_messages_copy($imap_stream, 1, '*', $trash_folder . $delimiter . $subFolderName);
+ }
+ // after copy close the mailbox to get in unselected state
+ sqimap_run_command($imap_stream,'CLOSE',false,$response,$message);
+ for ($j = 0;$j < count($tree[$index]['subNodes']); $j++)
+ walkTreeInPostOrderCreatingFoldersUnderTrash($tree[$index]['subNodes'][$j], $imap_stream, $tree, $topFolderName);
+ } else {
+ sqimap_mailbox_create($imap_stream, $trash_folder . $delimiter . $subFolderName, '');
+ $mbx_response = sqimap_mailbox_select($imap_stream, $tree[$index]['value']);
+ $messageCount = $mbx_response['EXISTS'];
+ if ($messageCount > 0) {
+ sqimap_messages_copy($imap_stream, 1, '*', $trash_folder . $delimiter . $subFolderName);
+ }
+ // after copy close the mailbox to get in unselected state
+ sqimap_run_command($imap_stream,'CLOSE',false,$response,$message);
+ }
+}
- if ($tree[$index]["doIHaveChildren"]) {
- sqimap_mailbox_create($imap_stream, $trash_folder . $dm . $subFolderName, "");
- sqimap_mailbox_select($imap_stream, $tree[$index]["value"]);
-
- $messageCount = sqimap_get_num_messages($imap_stream, $tree[$index]["value"]);
- if ($messageCount > 0)
- sqimap_messages_copy($imap_stream, 1, $messageCount, $trash_folder . $dm . $subFolderName);
-
- for ($j = 0;$j < count($tree[$index]["subNodes"]); $j++)
- walkTreeInPostOrderCreatingFoldersUnderTrash($tree[$index]["subNodes"][$j], $imap_stream, $tree, $dm, $topFolderName);
- } else {
- sqimap_mailbox_create($imap_stream, $trash_folder . $dm . $subFolderName, "");
- sqimap_mailbox_select($imap_stream, $tree[$index]["value"]);
-
- $messageCount = sqimap_get_num_messages($imap_stream, $tree[$index]["value"]);
- if ($messageCount > 0)
- sqimap_messages_copy($imap_stream, 1, $messageCount, $trash_folder . $dm . $subFolderName);
- }
- }
+/**
+ * Recursive function that outputs a tree In-Pre-Order.
+ * @param int index the node to start (usually 0)
+ * @param array tree the tree to walk
+ * @return void
+ */
+function simpleWalkTreePre($index, $tree) {
+ if ($tree[$index]['doIHaveChildren']) {
+ for ($j = 0; $j < count($tree[$index]['subNodes']); $j++) {
+ simpleWalkTreePre($tree[$index]['subNodes'][$j], $tree);
+ }
+ echo $tree[$index]['value'] . '<br />';
+ } else {
+ echo $tree[$index]['value'] . '<br />';
+ }
+}
- function simpleWalkTreePre($index, $tree) {
- if ($tree[$index]["doIHaveChildren"]) {
- for ($j = 0; $j < count($tree[$index]["subNodes"]); $j++) {
- simpleWalkTreePre($tree[$index]["subNodes"][$j], $tree);
- }
- echo $tree[$index]["value"] . "<br>";
- } else {
- echo $tree[$index]["value"] . "<br>";
- }
- }
-?>
+?>
\ No newline at end of file