Imported Upstream version 0.7

[roundcube.git] / program / include / rcube_mime_struct.php

diff --git a/program/include/rcube_mime_struct.php b/program/include/rcube_mime_struct.php
index e74acc07153e8893b769b646d03b45cff9e44233..ed28af31f0cb6f54e62bfd0adedae47ab4b4be37 100644 (file)
--- a/program/include/rcube_mime_struct.php
+++ b/program/include/rcube_mime_struct.php
@@ -1,101 +1,31 @@
-<?php
 
-
-/*
- +-----------------------------------------------------------------------+
- | program/include/rcube_mime_struct.php                                 |
- |                                                                       |
- | This file is part of the Roundcube Webmail client                     |
- | Copyright (C) 2005-2010, Roundcube Dev. - Switzerland                 |
- | Licensed under the GNU GPL                                            |
- |                                                                       |
- | PURPOSE:                                                              |
- |   Provide functions for handling mime messages structure              |
- |                                                                       |
- |   Based on Iloha MIME Library. See http://ilohamail.org/ for details  |
- |                                                                       |
- +-----------------------------------------------------------------------+
- | Author: Aleksander Machniak <alec@alec.pl>                            |
- | Author: Ryo Chijiiwa <Ryo@IlohaMail.org>                              |
- +-----------------------------------------------------------------------+
-
- $Id$
-
-*/
-
-/**
- * Helper class to process IMAP's BODYSTRUCTURE string
- *
- * @package    Mail
- * @author     Aleksander Machniak <alec@alec.pl>
- */
-class rcube_mime_struct
-{
-    private $structure;
-
-
-    function __construct($str=null)
-    {
-        if ($str)
-            $this->structure = $this->parseStructure($str);
-    }
-
-    /*
-     * Parses IMAP's BODYSTRUCTURE string into array
-    */
-    function parseStructure($str)
+    function getStructurePartType($structure, $part)
     {
-        $line = substr($str, 1, strlen($str) - 2);
-        $line = str_replace(')(', ') (', $line);
-
-           $struct = self::parseBSString($line);
-       if (!is_array($struct[0]) && (strcasecmp($struct[0], 'message') == 0)
-                   && (strcasecmp($struct[1], 'rfc822') == 0)) {
-                   $struct = array($struct);
-           }
-
-        return $struct;
-    }
-
-    /*
-     * Parses IMAP's BODYSTRUCTURE string into array and loads it into class internal variable
-    */
-    function loadStructure($str)
-    {
-        if (empty($str))
-            return true;
-
-        $this->structure = $this->parseStructure($str);
-        return (!empty($this->structure));
-    }
-
-    function getPartType($part)
-    {
-           $part_a = $this->getPartArray($this->structure, $part);
+           $part_a = self::getPartArray($structure, $part);
            if (!empty($part_a)) {
                    if (is_array($part_a[0]))
                 return 'multipart';
                    else if ($part_a[0])
                 return $part_a[0];
            }
-        
+
         return 'other';
     }
 
-    function getPartEncoding($part)
+    function getStructurePartEncoding($structure, $part)
     {
-           $part_a = $this->getPartArray($this->structure, $part);
+           $part_a = self::getPartArray($structure, $part);
            if ($part_a) {
                    if (!is_array($part_a[0]))
                 return $part_a[5];
            }
-        
+
         return '';
     }
 
-    function getPartCharset($part)
+    function getStructurePartCharset($structure, $part)
     {
-           $part_a = $this->getPartArray($this->structure, $part);
+           $part_a = self::getPartArray($structure, $part);
            if ($part_a) {
                    if (is_array($part_a[0]))
                 return '';
@@ -108,11 +38,11 @@ class rcube_mime_struct
                            }
                    }
            }
-        
+
         return '';
     }
 
-    function getPartArray($a, $part)
+    function getStructurePartArray($a, $part)
     {
            if (!is_array($a)) {
             return false;
@@ -137,78 +67,7 @@ class rcube_mime_struct
                    else
                 return $a;
            }
-        else if (($part==0) || (empty($part))) {
+        else if (($part == 0) || (empty($part))) {
                    return $a;
            }
     }
-
-    private function closingParenPos($str, $start)
-    {
-        $level = 0;
-        $len = strlen($str);
-        $in_quote = 0;
-
-        for ($i=$start; $i<$len; $i++) {
-           if ($str[$i] == '"' && $str[$i-1] != "\\") {
-                       $in_quote = ($in_quote + 1) % 2;
-           }
-            if (!$in_quote) {
-                   if ($str[$i] == '(')
-                    $level++;
-                   else if (($level > 0) && ($str[$i] == ')'))
-                    $level--;
-                   else if (($level == 0) && ($str[$i] == ')'))
-                    return $i;
-           }
-        }
-    }
-
-    /*
-     * Parses IMAP's BODYSTRUCTURE string into array
-    */
-    private function parseBSString($str)
-    {  
-        $id = 0;
-        $a = array();
-        $len = strlen($str);
-        $in_quote = 0;
-
-        for ($i=0; $i<$len; $i++) {
-            if ($str[$i] == '"') {
-                   $in_quote = ($in_quote + 1) % 2;
-            } else if (!$in_quote) {
-                // space means new element
-                if ($str[$i] == ' ') {
-                    $id++;
-                    // skip additional spaces
-                    while ($str[$i+1] == ' ')
-                        $i++;
-                // new part
-                } else if ($str[$i] == '(') {
-                    $i++;
-                    $endPos = self::closingParenPos($str, $i);
-                    $partLen = $endPos - $i;
-                    if ($partLen < 0)
-                        break;
-                    $part = substr($str, $i, $partLen);
-                    $a[$id] = self::parseBSString($part); // send part string
-                    $i = $endPos;
-                } else
-                           $a[$id] .= $str[$i]; //add to current element in array
-            } else if ($in_quote) {
-                if ($str[$i] == "\\") {
-                           $i++; // escape backslashes
-                           if ($str[$i] == '"' || $str[$i] == "\\")
-                               $a[$id] .= $str[$i];
-                }
-                else
-                           $a[$id] .= $str[$i]; //add to current element in array
-            }
-        }
-        
-        reset($a);
-        return $a;
-    }
-
-
-}