return $aUid;
}
-
-/**
- * Returns an indent array for printMessageinfo()
- * This represents the amount of indent needed (value),
- * for this message number (key)
- */
-
-/*
- * Notes for future work:
- * indent_array should contain: indent_level, parent and flags,
- * sibling notes ..
- * To achieve that we need to define the following flags:
- * 0: hasnochildren
- * 1: haschildren
- * 2: is first
- * 4: is last
- * a node has sibling nodes if it's not the last node
- * a node has no sibling nodes if it's the last node
- * By using binary comparations we can store the flag in one var
- *
- * example:
- * -1 par = 0, level = 0, flag = 1 + 2 + 4 = 7 (haschildren, isfirst, islast)
- * \-2 par = 1, level = 1, flag = 0 + 2 = 2 (hasnochildren, isfirst)
- * |-3 par = 1, level = 1, flag = 1 + 4 = 5 (haschildren, islast)
- * \-4 par = 3, level = 2, flag = 1 + 2 + 4 = 7 (haschildren, isfirst, islast)
- * \-5 par = 4, level = 3, flag = 0 + 2 + 4 = 6 (hasnochildren, isfirst, islast)
- */
-function get_parent_level($thread_new) {
- $parent = '';
- $child = '';
- $cutoff = 0;
-
- /*
- * loop through the threads and take unwanted characters out
- * of the thread string then chop it up
- */
- for ($i=0;$i<count($thread_new);$i++) {
- $thread_new[$i] = preg_replace("/\s\(/", "(", $thread_new[$i]);
- $thread_new[$i] = preg_replace("/(\d+)/", "$1|", $thread_new[$i]);
- $thread_new[$i] = preg_split("/\|/", $thread_new[$i], -1, PREG_SPLIT_NO_EMPTY);
- }
- $indent_array = array();
- if (!$thread_new) {
- $thread_new = array();
- }
- /* looping through the parts of one message thread */
-
- for ($i=0;$i<count($thread_new);$i++) {
- /* first grab the parent, it does not indent */
-
- if (isset($thread_new[$i][0])) {
- if (preg_match("/(\d+)/", $thread_new[$i][0], $regs)) {
- $parent = $regs[1];
- }
- }
- $indent_array[$parent] = 0;
-
- /*
- * now the children, checking each thread portion for
- * ),(, and space, adjusting the level and space values
- * to get the indent level
- */
- $level = 0;
- $spaces = array();
- $spaces_total = 0;
- $indent = 0;
- $fake = FALSE;
- for ($k=1,$iCnt=count($thread_new[$i])-1;$k<$iCnt;++$k) {
- $chars = count_chars($thread_new[$i][$k], 1);
- if (isset($chars['40'])) { /* testing for ( */
- $level += $chars['40'];
- }
- if (isset($chars['41'])) { /* testing for ) */
- $level -= $chars['41'];
- $spaces[$level] = 0;
- /* if we were faking lets stop, this portion
- * of the thread is over
- */
- if ($level == $cutoff) {
- $fake = FALSE;
- }
- }
- if (isset($chars['32'])) { /* testing for space */
- if (!isset($spaces[$level])) {
- $spaces[$level] = 0;
- }
- $spaces[$level] += $chars['32'];
- }
- for ($x=0;$x<=$level;$x++) {
- if (isset($spaces[$x])) {
- $spaces_total += $spaces[$x];
- }
- }
- $indent = $level + $spaces_total;
- /* must have run into a message that broke the thread
- * so we are adjusting for that portion
- */
- if ($fake == TRUE) {
- $indent = $indent +1;
- }
- if (preg_match("/(\d+)/", $thread_new[$i][$k], $regs)) {
- $child = $regs[1];
- }
- /* the thread must be broken if $indent == 0
- * so indent the message once and start faking it
- */
- if ($indent == 0) {
- $indent = 1;
- $fake = TRUE;
- $cutoff = $level;
- }
- /* dont need abs but if indent was negative
- * errors would occur
- */
- $indent_array[$child] = ($indent < 0) ? 0 : $indent;
- $spaces_total = 0;
- }
- }
- return $indent_array;
-}
-
-
/**
* Returns an array with each element as a string representing one
* message-thread as returned by the IMAP server.
+ * @param resource $imap_stream IMAP socket connection
+ * @param string $search optional search string
+ * @return array
* @link http://www.ietf.org/internet-drafts/draft-ietf-imapext-sort-13.txt
*/
function get_thread_sort($imap_stream, $search='ALL') {
- global $thread_new, $sort_by_ref, $default_charset, $server_sort_array, $indent_array;
+ global $sort_by_ref, $default_charset;
- $thread_temp = array ();
if ($sort_by_ref == 1) {
$sort_type = 'REFERENCES';
} else {
$query = "THREAD $sort_type ".strtoupper($default_charset)." $search";
// TODO use sqimap_run_command_list as we do in get_server_sort()
- $thread_test = sqimap_run_command ($imap_stream, $query, false, $response, $message, TRUE);
- /* fallback to default charset */
+ $sRead = sqimap_run_command ($imap_stream, $query, false, $response, $message, TRUE);
+ /* fallback to default charset */
if ($response == 'NO') {
if (strpos($message,'BADCHARSET') !== false ||
strpos($message,'character') !== false) {
sqm_trigger_imap_error('SQM_IMAP_BADCHARSET',$query, $response, $message);
$query = "THREAD $sort_type US-ASCII $search";
- $thread_test = sqimap_run_command ($imap_stream, $query, true, $response, $message, TRUE);
+ $sRead = sqimap_run_command ($imap_stream, $query, true, $response, $message, TRUE);
} else {
sqm_trigger_imap_error('SQM_IMAP_ERROR',$query, $response, $message);
}
} elseif ($response == 'BAD') {
sqm_trigger_imap_error('SQM_IMAP_NO_THREAD',$query, $response, $message);
}
- if (isset($thread_test[0])) {
- for ($i=0,$iCnt=count($thread_test);$i<$iCnt;++$i) {
- if (preg_match("/^\* THREAD (.+)$/", $thread_test[$i], $regs)) {
- $thread_list = trim($regs[1]);
+ if (isset($sRead[0])) {
+ for ($i=0,$iCnt=count($sRead);$i<$iCnt;++$i) {
+ if (preg_match("/^\* THREAD (.+)$/", $sRead[$i], $aMatch)) {
+ $sThreadResponse = trim($aMatch[1]);
break;
}
}
} else {
- $thread_list = "";
+ $sThreadResponse = "";
}
- if (!preg_match("/OK/", $response)) {
- $server_sort_array = false;
- return $server_sort_array;
- }
- if (isset($thread_list)) {
- $thread_temp = preg_split("//", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
+ unset($sRead);
+
+ if ($response !== 'OK') {
+ return false;
}
- $counter = 0;
- $thread_new = array();
- $k = 0;
- $thread_new[0] = "";
- /*
- * parse the thread response into separate threads
+ /* Example response
+ * S: * THREAD (2)(3 6 (4 23)(44 7 96))
+ * -- 2
*
- * example:
- * [0] => (540)
- * [1] => (1386)
- * [2] => (1599 759 959 37)
- * [3] => (492 1787)
- * [4] => ((933)(1891))
- * [5] => (1030 (1497)(845)(1637))
+ * -- 3
+ * \-- 6
+ * |-- 4
+ * | \-- 23
+ * |
+ * \-- 44
+ * \-- 7
+ * \-- 96
*/
- for ($i=0,$iCnt=count($thread_temp);$i<$iCnt;$i++) {
- if ($thread_temp[$i] != ')' && $thread_temp[$i] != '(') {
- $thread_new[$k] = $thread_new[$k] . $thread_temp[$i];
- } elseif ($thread_temp[$i] == '(') {
- $thread_new[$k] .= $thread_temp[$i];
- $counter++;
- } elseif ($thread_temp[$i] == ')') {
- if ($counter > 1) {
- $thread_new[$k] .= $thread_temp[$i];
- $counter = $counter - 1;
- } else {
- $thread_new[$k] .= $thread_temp[$i];
- $k++;
- $thread_new[$k] = "";
- $counter = $counter - 1;
+/*
+ * Notes for future work:
+ * indent_array should contain: indent_level, parent and flags,
+ * sibling nodes ..
+ * To achieve that we need to define the following flags:
+ * 0: hasnochildren
+ * 1: haschildren
+ * 2: is first
+ * 4: is last
+ * a node has sibling nodes if it's not the last node
+ * a node has no sibling nodes if it's the last node
+ * By using binary comparations we can store the flag in one var
+ *
+ * example:
+ * -1 par = 0, level = 0, flag = 1 + 2 + 4 = 7 (haschildren, isfirst, islast)
+ * \-2 par = 1, level = 1, flag = 0 + 2 = 2 (hasnochildren, isfirst)
+ * |-3 par = 1, level = 1, flag = 1 + 4 = 5 (haschildren, islast)
+ * \-4 par = 3, level = 2, flag = 1 + 2 + 4 = 7 (haschildren, isfirst, islast)
+ * \-5 par = 4, level = 3, flag = 0 + 2 + 4 = 6 (hasnochildren, isfirst, islast)
+ */
+
+ $j = 0;
+ $k = 0;
+ $l = 0;
+ $aUidThread = array();
+ $aIndent = array();
+ $aUidSubThread = array();
+ $aDepthStack = array();
+ $sUid = '';
+
+ if ($sThreadResponse) {
+ for ($i=0,$iCnt = strlen($sThreadResponse);$i<$iCnt;++$i) {
+ $cChar = $sThreadResponse{$i};
+ switch ($cChar) {
+ case '(': // new sub thread
+ $aDepthStack[$j] = $l;
+ ++$j;
+ break;
+ case ')': // close sub thread
+ if($sUid !== '') {
+ $aUidSubThread[] = $sUid;
+ $aIndent[$sUid] = $j + $l - 1;
+ ++$l;
+ $sUid = '';
+ }
+ --$j;
+ if ($j === 0) {
+ // show message that starts the thread first.
+ $aUidSubThread = array_reverse($aUidSubThread);
+ // do not use array_merge because it's extremely slow and is causing timeouts
+ foreach ($aUidSubThread as $iUid) {
+ $aUidThread[] = $iUid;
+ }
+ $aUidSubThread = array();
+ $l = 0;
+ $aDepthStack = array();
+ } else {
+ $l = $aDepthStack[$j];
+ }
+ break;
+ case ' ': // new child
+ if ($sUid !== '') {
+ $aUidSubThread[] = $sUid;
+ $aIndent[$sUid] = $j + $l - 1;
+ ++$l;
+ $sUid = '';
+ }
+ break;
+ default: // part of UID
+ $sUid .= $cChar;
+ break;
}
}
}
-
- $thread_new = array_reverse($thread_new);
- /* place the threads after each other in one string */
- $thread_list = implode(" ", $thread_new);
- $thread_list = str_replace("(", " ", $thread_list);
- $thread_list = str_replace(")", " ", $thread_list);
- $thread_list = preg_split("/\s/", $thread_list, -1, PREG_SPLIT_NO_EMPTY);
- $server_sort_array = $thread_list;
-
- $indent_array = get_parent_level ($thread_new);
- return array($thread_list,$indent_array);
+ unset($sThreadResponse);
+ // show newest threads first
+ $aUidThread = array_reverse($aUidThread);
+ return array($aUidThread,$aIndent);
}