- $strings_php = true;
-
- //*************************************************************************
- // Count the number of occurances of $needle are in $haystack.
- //*************************************************************************
- function countCharInString($haystack, $needle) {
- $len = strlen($haystack);
- for ($i = 0; $i < $len; $i++) {
- if ($haystack[$i] == $needle)
- $count++;
- }
- return $count;
- }
-
- //*************************************************************************
- // Read from the back of $haystack until $needle is found, or the begining
- // of the $haystack is reached.
- //*************************************************************************
- function readShortMailboxName($haystack, $needle) {
- if (substr($haystack, -1) == $needle)
- $haystack = substr($haystack, 0, strlen($haystack) - 1);
-
- if (strrpos($haystack, $needle)) {
- $pos = strrpos($haystack, $needle) + 1;
- $data = substr($haystack, $pos, strlen($haystack));
- } else {
- $data = $haystack;
- }
- return $data;
- }
-
- // Searches for the next position in a string minus white space
- function next_pos_minus_white ($haystack, $pos) {
- while (substr($haystack, $pos, 1) == " " ||
- substr($haystack, $pos, 1) == "\t" ||
- substr($haystack, $pos, 1) == "\n" ||
- substr($haystack, $pos, 1) == "\r") {
- if ($pos >= strlen($haystack))
- return -1;
- $pos++;
- }
- return $pos;
- }
-
- // Wraps text at $wrap characters
- function sqWordWrap($passed, $wrap) {
- $passed = str_replace("<", "<", $passed);
- $passed = str_replace(">", ">", $passed);
-
- preg_match("/^(\s|>)+/", $passed, $regs);
- $beginning_spaces = $regs[0];
-
- $words = explode(" ", $passed);
- $i = -1;
- $line_len = strlen($words[0])+1;
- $line = "";
- if (count($words) > 1) {
- while ($i++ < count($words)) {
- while ($line_len < $wrap) {
- $line = "$line$words[$i] ";
- $i++;
- $line_len = $line_len + strlen($words[$i]) + 1;
- }
- $line_len = strlen($words[$i])+1;
- if ($line_len <= $wrap) {
- if (strlen($beginning_spaces) +2 >= $wrap)
- $beginning_spaces = "";
- if ($i < count($words)) { // don't <BR> the last line
- $line = "$line\n$beginning_spaces";
- }
- $line = "$line$words[$i] ";
- $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 1;
+/**
+ * strings.php
+ *
+ * Copyright (c) 1999-2002 The SquirrelMail Project Team
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * This code provides various string manipulation functions that are
+ * used by the rest of the Squirrelmail code.
+ *
+ * $Id$
+ */
+
+/*****************************************************************/
+/*** THIS FILE NEEDS TO HAVE ITS FORMATTING FIXED!!! ***/
+/*** PLEASE DO SO AND REMOVE THIS COMMENT SECTION. ***/
+/*** + Base level indent should begin at left margin, as ***/
+/*** the comment and $version stuff below. ***/
+/*** + All identation should consist of four space blocks ***/
+/*** + Tab characters are evil. ***/
+/*** + all comments should use "slash-star ... star-slash" ***/
+/*** style -- no pound characters, no slash-slash style ***/
+/*** + FLOW CONTROL STATEMENTS (if, while, etc) SHOULD ***/
+/*** ALWAYS USE { AND } CHARACTERS!!! ***/
+/*** + Please use ' instead of ", when possible. Note " ***/
+/*** should always be used in _( ) function calls. ***/
+/*** Thank you for your help making the SM code more readable. ***/
+/*****************************************************************/
+
+/**
+ * SquirrelMail version number -- DO NOT CHANGE
+ */
+global $version;
+$version = '1.2.2';
+
+/**
+ * If $haystack is a full mailbox name and $needle is the mailbox
+ * separator character, returns the last part of the mailbox name.
+ */
+function readShortMailboxName($haystack, $needle) {
+ if ($needle == '') {
+ return $haystack;
+ }
+ $parts = explode($needle, $haystack);
+ $elem = array_pop($parts);
+ while ($elem == '' && count($parts)) {
+ $elem = array_pop($parts);
+ }
+ return $elem;
+}
+
+/**
+ * If $haystack is a full mailbox name, and $needle is the mailbox
+ * separator character, returns the second last part of the full
+ * mailbox name (i.e. the mailbox's parent mailbox)
+ */
+function readMailboxParent($haystack, $needle) {
+ if ($needle == '') return '';
+ $parts = explode($needle, $haystack);
+ $elem = array_pop($parts);
+ while ($elem == '' && count($parts)) {
+ $elem = array_pop($parts);
+ }
+ return join($needle, $parts);
+}
+
+/**
+ * Returns the index of the first chunk of string $haystack that
+ * starts with non-white-space character, starting at position $pos.
+ * If there is no such chunk, returns -1.
+ */
+function next_pos_minus_white ($haystack, $pos) {
+ $len = strlen($haystack);
+ while ($pos < $len) {
+ /* Get the next character. */
+ $c = substr($haystack, $pos, 1);
+
+ /* Check the next character. */
+ if (($c != ' ') && ($c != "\t") && ($c != "\n") && ($c != "\r")) {
+ return $pos;
+ }
+
+ /* Increment position in string. */
+ ++$pos;
+ }
+ return -1;
+}
+
+/**
+ * Wraps text at $wrap characters
+ *
+ * Has a problem with special HTML characters, so call this before
+ * you do character translation.
+ *
+ * Specifically, ' comes up as 5 characters instead of 1.
+ * This should not add newlines to the end of lines.
+ */
+function sqWordWrap(&$line, $wrap) {
+ ereg("^([\t >]*)([^\t >].*)?$", $line, $regs);
+ $beginning_spaces = $regs[1];
+ if (isset($regs[2])) {
+ $words = explode(' ', $regs[2]);
+ } else {
+ $words = "";
+ }
+
+ $i = 0;
+ $line = $beginning_spaces;
+
+ while ($i < count($words)) {
+ // Force one word to be on a line (minimum)
+ $line .= $words[$i];
+ $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 2;
+ if (isset($words[$i + 1]))
+ $line_len += strlen($words[$i + 1]);
+ $i ++;
+
+ // Add more words (as long as they fit)
+ while ($line_len < $wrap && $i < count($words)) {
+ $line .= ' ' . $words[$i];
+ $i++;
+ if (isset($words[$i]))
+ $line_len += strlen($words[$i]) + 1;
+ else
+ $line_len += 1;
+ }
+
+ // Skip spaces if they are the first thing on a continued line
+ while (!isset($words[$i]) && $i < count($words)) {
+ $i ++;
+ }
+
+ // Go to the next line if we have more to process
+ if ($i < count($words)) {
+ $line .= "\n" . $beginning_spaces;
+ }
+ }
+}
+
+
+/**
+ * Does the opposite of sqWordWrap()
+ */
+function sqUnWordWrap(&$body) {
+ $lines = explode("\n", $body);
+ $body = "";
+ $PreviousSpaces = "";
+ for ($i = 0; $i < count($lines); $i ++) {
+ ereg("^([\t >]*)([^\t >].*)?$", $lines[$i], $regs);
+ $CurrentSpaces = $regs[1];
+ if (isset($regs[2])) {
+ $CurrentRest = $regs[2];
+ }
+
+ if ($i == 0) {
+ $PreviousSpaces = $CurrentSpaces;
+ $body = $lines[$i];
+ } else if (($PreviousSpaces == $CurrentSpaces) // Do the beginnings match
+ && (strlen($lines[$i - 1]) > 65) // Over 65 characters long
+ && strlen($CurrentRest)) { // and there's a line to continue with
+ $body .= ' ' . $CurrentRest;
+ } else {
+ $body .= "\n" . $lines[$i];
+ $PreviousSpaces = $CurrentSpaces;
+ }
+ }
+ $body .= "\n";
+}
+
+
+/**
+ * Returns an array of email addresses.
+ * Be cautious of "user@host.com"
+ */
+function parseAddrs($text) {
+ if (trim($text) == "")
+ return array();
+ $text = str_replace(' ', '', $text);
+ $text = ereg_replace('"[^"]*"', '', $text);
+ $text = ereg_replace('\\([^\\)]*\\)', '', $text);
+ $text = str_replace(',', ';', $text);
+ $array = explode(';', $text);
+ for ($i = 0; $i < count ($array); $i++) {
+ $array[$i] = eregi_replace ("^.*[<]", '', $array[$i]);
+ $array[$i] = eregi_replace ("[>].*$", '', $array[$i]);
+ }
+ return $array;
+}
+
+/**
+ * Returns a line of comma separated email addresses from an array.
+ */
+function getLineOfAddrs($array) {
+ if (is_array($array)) {
+ $to_line = implode(', ', $array);
+ $to_line = ereg_replace(', (, )+', ', ', $to_line);
+ $to_line = trim(ereg_replace('^, ', '', $to_line));
+ if( substr( $to_line, -1 ) == ',' )
+ $to_line = substr( $to_line, 0, -1 );
+ } else {
+ $to_line = '';
+ }
+
+ return( $to_line );
+}
+
+function translateText(&$body, $wrap_at, $charset) {
+ global $where, $what; // from searching
+ global $color; // color theme
+
+ require_once('../functions/url_parser.php');
+
+ $body_ary = explode("\n", $body);
+ $PriorQuotes = 0;
+ for ($i=0; $i < count($body_ary); $i++) {
+ $line = $body_ary[$i];
+ if (strlen($line) - 2 >= $wrap_at) {
+ sqWordWrap($line, $wrap_at);
+ }
+ $line = charset_decode($charset, $line);
+ $line = str_replace("\t", ' ', $line);
+
+ parseUrl ($line);
+
+ $Quotes = 0;
+ $pos = 0;
+ while (1) {
+ if ($line[$pos] == ' ') {
+ $pos ++;
+ } else if (strpos($line, '>', $pos) === $pos) {
+ $pos += 4;
+ $Quotes ++;