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Diffstat (limited to 'tdefile-plugins/torrent/blist.cpp')
-rw-r--r-- | tdefile-plugins/torrent/blist.cpp | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/tdefile-plugins/torrent/blist.cpp b/tdefile-plugins/torrent/blist.cpp new file mode 100644 index 00000000..4b510e76 --- /dev/null +++ b/tdefile-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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include <tqiodevice.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 (TQByteArray &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(TQIODevice &device) +{ + if (!m_valid) + return false; + + const char *l_str = "l"; + const char *e_str = "e"; + TQ_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: |