Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 178 insertions, 0 deletions

diff --git a/kfile-plugins/torrent/blist.cpp b/kfile-plugins/torrent/blist.cpp
new file mode 100644
index 00000000..1aaa8b7c
--- /dev/null
+++ b/kfile-plugins/torrent/blist.cpp
@@ -0,0 +1,178 @@
+/*
+ * Copyright (c) 2003, 2004 Michael Pyne <michael.pyne@kdemail.net>
+ *
+ * This software is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this library; see the file COPYING.
+ * If not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+#include <qiodevice.h>
+
+#include "bytetape.h"
+#include "blist.h"
+#include "bdict.h"
+#include "bstring.h"
+#include "bint.h"
+
+BList::BList (ByteTape &tape)
+    : m_valid(false), m_array()
+{
+    init (tape);
+}
+
+BList::BList (QByteArray &dict, unsigned int start)
+    : m_valid(false), m_array()
+{
+    ByteTape tape (dict, start);
+
+    init (tape);
+}
+
+void BList::init (ByteTape &tape)
+{
+    BBase *temp;
+
+    if (*tape != 'l')
+        return;
+
+    tape++;
+    
+    /* Repeat circling over the string until the list is over */
+    while (*tape != 'e')
+    {
+        switch (*tape)
+        {
+            case 'd':
+                temp = new BDict (tape);
+            break;
+
+            case 'l': /* This element is a list */
+                temp = new BList (tape);
+            break;
+
+            case 'i': /* This element is an int */
+                temp = new BInt (tape);
+            break;
+                
+            default: /* Maybe a string? */
+                temp = new BString (tape);
+        }
+        
+        if (!temp || !temp->isValid())
+            return;  // Invalid list element
+
+        m_array.append (temp);
+    }
+
+    m_valid = true;
+
+    // Only way out is to detect 'e', so we need to increment tape past that.
+    tape++;
+}
+
+BList::~BList()
+{
+    BBaseVectorIterator iter;
+
+    for (iter = begin(); iter != end(); ++iter)
+        delete *iter;
+}
+
+BBase* BList::index (unsigned int i)
+{
+    if (i >= count())
+        return 0;
+    else
+        return m_array[i];
+}
+
+BList * BList::indexList (unsigned int i)
+{
+    BBase *base = index(i);
+
+    if (base && base->type_id() == bList)
+        return dynamic_cast<BList*>(base);
+    
+    return 0;
+}
+
+BInt * BList::indexInt (unsigned int i)
+{
+    BBase *base = index(i);
+
+    if (base && base->type_id() == bInt)
+        return dynamic_cast<BInt*>(base);
+    
+    return 0;
+}
+
+BDict * BList::indexDict (unsigned int i)
+{
+    BBase *base = index(i);
+
+    if (base && base->type_id() == bDict)
+        return dynamic_cast<BDict*>(base);
+    
+    return 0;
+}
+
+BString * BList::indexStr (unsigned int i)
+{
+    BBase *base = index(i);
+
+    if (base && base->type_id() == bString)
+        return dynamic_cast<BString*>(base);
+    
+    return 0;
+}
+
+bool BList::writeToDevice(QIODevice &device)
+{
+    if (!m_valid)
+        return false;
+
+    const char *l_str = "l";
+    const char *e_str = "e";
+    Q_LONG written = 0, result = 0;
+    
+    written = device.writeBlock (l_str, 1);
+    while (written < 1)
+    {
+        if (written < 0 || result < 0)
+            return false;
+            
+        result = device.writeBlock (l_str, 1);
+        written += result;
+    }
+    
+    BBaseVectorIterator iter;
+    for (iter = begin(); iter != end(); ++iter)
+    {
+        if (!((*iter)->writeToDevice (device)))
+            return false;
+    }
+    
+    written = device.writeBlock (e_str, 1);
+    while (written < 1)
+    {
+        if (written < 0 || result < 0)
+            return false;
+            
+        result = device.writeBlock (e_str, 1);
+        written += result;
+    }
+    
+    return true;
+}
+
+// vim: set et sw=4 ts=4: