diff options
Diffstat (limited to 'kopete/protocols/oscar/liboscar/buffer.cpp')
| -rw-r--r-- | kopete/protocols/oscar/liboscar/buffer.cpp | 519 |
1 files changed, 519 insertions, 0 deletions
diff --git a/kopete/protocols/oscar/liboscar/buffer.cpp b/kopete/protocols/oscar/liboscar/buffer.cpp new file mode 100644 index 00000000..b04587e7 --- /dev/null +++ b/kopete/protocols/oscar/liboscar/buffer.cpp @@ -0,0 +1,519 @@ +/*************************************************************************** + buffer.cpp - description + ------------------- + begin : Thu Jun 6 2002 + + Copyright (c) 2002 by Tom Linsky <twl6@po.cwru.edu> + Copyright (c) 2004 by Matt Rogers <mattr@kde.org> + Kopete (c) 2002-2003 by the Kopete developers <kopete-devel@kde.org> + + ************************************************************************* + * * + * This program 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. * + * * + ************************************************************************* +*/ + +#include <kdebug.h> +#include <kapplication.h> +#include "buffer.h" + +#include <ctype.h> + +Buffer::Buffer() +{ + mReadPos=0; +} + +Buffer::Buffer( const Buffer& other ) +{ + mBuffer.duplicate( other.mBuffer ); + mReadPos = other.mReadPos; +} + +Buffer::Buffer(const char *b, Q_ULONG len) +{ + mBuffer.duplicate(b, len); + mReadPos=0; +} + +Buffer::Buffer( const QByteArray& data ) +{ + mBuffer.duplicate( data ); + mReadPos = 0; +} + + +Buffer::~Buffer() +{ +} + + +int Buffer::addByte(const BYTE b) +{ + expandBuffer(1); + mBuffer[mBuffer.size()-1] = b; + + return mBuffer.size(); +} + +int Buffer::addLEByte(const BYTE b) +{ + expandBuffer(1); + mBuffer[mBuffer.size()-1] = ((b) & 0xff); + + return mBuffer.size(); +} + + +int Buffer::addWord(const WORD w) +{ + expandBuffer(2); + mBuffer[mBuffer.size()-2] = ((w & 0xff00) >> 8); + mBuffer[mBuffer.size()-1] = (w & 0x00ff); + + return mBuffer.size(); +} + +int Buffer::addLEWord(const WORD w) +{ + expandBuffer(2); + mBuffer[mBuffer.size()-2] = (unsigned char) ((w >> 0) & 0xff); + mBuffer[mBuffer.size()-1] = (unsigned char) ((w >> 8) & 0xff); + + return mBuffer.size(); +} + + +int Buffer::addDWord(const DWORD dw) +{ + expandBuffer(4); + mBuffer[mBuffer.size()-4] = (dw & 0xff000000) >> 24; + mBuffer[mBuffer.size()-3] = (dw & 0x00ff0000) >> 16; + mBuffer[mBuffer.size()-2] = (dw & 0x0000ff00) >> 8; + mBuffer[mBuffer.size()-1] = (dw & 0x000000ff); + + return mBuffer.size(); +} + +int Buffer::addLEDWord(const DWORD dw) +{ + expandBuffer(4); + mBuffer[mBuffer.size()-4] = (unsigned char) ((dw >> 0) & 0xff); + mBuffer[mBuffer.size()-3] = (unsigned char) ((dw >> 8) & 0xff); + mBuffer[mBuffer.size()-2] = (unsigned char) ((dw >> 16) & 0xff); + mBuffer[mBuffer.size()-1] = (unsigned char) ((dw >> 24) & 0xff); + + return mBuffer.size(); +} + +int Buffer::addString(QByteArray s) +{ + unsigned int pos = mBuffer.size(); + int len = s.size(); + expandBuffer(len); + + for ( int i = 0; i < len; i++ ) + mBuffer[pos + i] = s[i]; + + return mBuffer.size(); +} + +int Buffer::addString(QByteArray s, DWORD len) +{ + Q_UNUSED( len ); + return addString( s ); +} + +int Buffer::addString( const char* s, DWORD len ) +{ + QByteArray qba; + qba.duplicate( s, len ); + return addString( qba ); +} + +int Buffer::addString(const unsigned char* s, DWORD len) +{ + QByteArray qba; + qba.duplicate( (const char*) s, len ); + return addString( qba ); +} + +int Buffer::addLEString(const char *s, const DWORD len) +{ + unsigned int pos = mBuffer.size(); + expandBuffer(len); + //concatenate the new string onto the buffer + for(unsigned int i=0; i<len; i++) + { + mBuffer[pos+i]=((s[i]) & 0xff); + } + return mBuffer.size(); +} + + +void Buffer::clear() +{ + mBuffer.truncate( 0 ); + mReadPos=0; +} + +int Buffer::addTLV( const TLV& t ) +{ + return addTLV( t.type, t.length, t.data ); +} + +int Buffer::addTLV(WORD type, WORD len, const char *data) +{ + + addWord(type); + addWord(len); + return addString(data,len); +} + +int Buffer::addLETLV(WORD type, WORD len, const char *data) +{ + addLEWord( type ); + addLEWord( len ); + return addString( data, len ); +} + +BYTE Buffer::getByte() +{ + BYTE thebyte = 0x00; + + if(mReadPos < mBuffer.size()) + { + thebyte = mBuffer[mReadPos]; + mReadPos++; + } + else + kdDebug(14150) << "Buffer::getByte(): mBuffer empty" << endl; + + return thebyte; +} + +void Buffer::skipBytes( int bytesToSkip ) +{ + if (mReadPos < mBuffer.size()) + mReadPos += bytesToSkip; +} + +BYTE Buffer::getLEByte() +{ + BYTE b = getByte(); + return (b & 0xff); +} + +WORD Buffer::getWord() +{ + WORD theword, theword2, retword; + theword = getByte(); + theword2 = getByte(); + retword = (theword << 8) | theword2; + return retword; +} + +WORD Buffer::getLEWord() +{ + WORD theword1, theword2, retword; + theword1 = getLEByte(); + theword2 = getLEByte(); + retword = (theword2 << 8) | theword1; + return retword; +} + +DWORD Buffer::getDWord() +{ + DWORD word1, word2; + DWORD retdword; + word1 = getWord(); + word2 = getWord(); + retdword = (word1 << 16) | word2; + return retdword; +} + +DWORD Buffer::getLEDWord() +{ + DWORD word1, word2, retdword; + word1 = getLEWord(); + word2 = getLEWord(); + retdword = (word2 << 16) | word1; + return retdword; +} + +void Buffer::setBuf(char *b, const WORD len) +{ + kdDebug(14150) << k_funcinfo << "Called." << endl; + + mBuffer.duplicate(b, len); + mReadPos = 0; +} + +QByteArray Buffer::getBlock(WORD len) +{ + QByteArray ch( len ); + for ( int i = 0; i < len; i++ ) + { + ch[i] = getByte(); + } + + return ch; +} + +QByteArray Buffer::getBBlock(WORD len) +{ + QByteArray data; + data.duplicate(mBuffer.data() + mReadPos, len); + mReadPos += len; + return data; +} + + +WORD *Buffer::getWordBlock(WORD len) +{ + kdDebug(14150) << k_funcinfo << "of length " << len << endl; + WORD *ch=new WORD[len+1]; + for (unsigned int i=0; i<len; i++) + { + ch[i]=getWord(); + } + ch[len]=0; + return ch; +} + + +QCString Buffer::getLEBlock(WORD len) +{ + QCString ch; + for (unsigned int i=0;i<len;i++) + ch += getLEByte(); + + return ch; +} + +int Buffer::addTLV16(const WORD type, const WORD data) +{ + addWord(type); + addWord(0x0002); //2 bytes long + return addWord(data); +} + +int Buffer::addLETLV16(const WORD type, const WORD data) +{ + addLEWord(type); + addLEWord(0x0002); //2 bytes long + return addLEWord(data); +} + +int Buffer::addTLV8(const WORD type, const BYTE data) +{ + addWord(type); + addWord(0x0001); //1 byte long + return addByte(data); +} + +int Buffer::addLETLV8(const WORD type, const BYTE data) +{ + addLEWord(type); + addLEWord(0x0001); //1 byte long + return addLEByte(data); +} + +TLV Buffer::getTLV() +{ + TLV t; + if(length() >= 4) + { + t.type = getWord(); + t.length = getWord(); + if ( t ) + t.data = getBlock( t.length ); + /*else + kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "Invalid TLV in buffer" << endl;*/ + } + + //kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "TLV data is " << t.data << endl; + return t; +} + +QValueList<TLV> Buffer::getTLVList() +{ + QValueList<TLV> ql; + + while (mReadPos < mBuffer.size()) + { + TLV t; + + t = getTLV(); + if ( !t ) + { + kdDebug(14150) << k_funcinfo << "Invalid TLV found" << endl; + continue; + } + + //kdDebug(14150) << k_funcinfo << "got TLV(" << t.type << ")" << endl; + ql.append(t); + } + + return ql; +} + +int Buffer::addChatTLV(const WORD type, const WORD exchange, + const QString &roomname, const WORD instance) +{ + addWord(type); + addWord(0x0005 + roomname.length()); + addWord(exchange); + addByte(roomname.length()); + addString(roomname.latin1(), roomname.length()); // TODO: check encoding + + return addWord(instance); +} + +void Buffer::expandBuffer(unsigned int inc) +{ + mBuffer.resize(mBuffer.size()+inc, QGArray::SpeedOptim); +} + +QCString Buffer::getLNTS() +{ + WORD len = getLEWord(); + QCString qcs; + qcs.duplicate( getBlock(len) ); + return qcs; +} + +QCString Buffer::getLELNTS() +{ + WORD len = getLEWord(); + QCString qcs; + qcs.duplicate( getBlock(len) ); + return qcs; +} + +int Buffer::addLNTS(const char *s) +{ + unsigned int len = strlen(s); + + addLEWord(len+1); + if(len > 0) + addString(s, len); + int ret = addByte(0x00); + return ret; +} + +int Buffer::addLELNTS(const char *s) +{ + unsigned int len = strlen(s); + int ret = addLEWord(len+1); + if(len > 0) + ret = addLEString(s, len); + ret = addByte(0x00); + return ret; +} + +int Buffer::addBSTR(const char * s) +{ + unsigned int len = strlen(s); + int ret = addWord(len); + if(len > 0) + ret = addString(s, len); + return ret; +} + +QByteArray Buffer::getBSTR() +{ + WORD len = getWord(); + QByteArray qba; + qba.duplicate( getBlock(len) ); + return qba; +} + +int Buffer::addBUIN(const char * s) +{ + unsigned int len = strlen(s); + int ret = addByte(len); + ret = addString(s, len); + return ret; +} + +QByteArray Buffer::getBUIN() +{ + BYTE len = getByte(); + QByteArray qba; + qba.duplicate( getBlock(len) ); + return qba; +} + +char *Buffer::buffer() const +{ + return mBuffer.data(); +} + +int Buffer::length() const +{ + return (mBuffer.size() - mReadPos); +} + +QString Buffer::toString() const +{ + // line format: + //00 03 00 0b 00 00 90 b8 f5 9f 09 31 31 33 37 38 |;tJ�..........| + + int i = 0; + QString output = "\n"; + QString hex, ascii; + + QByteArray::ConstIterator it; + for ( it = mBuffer.begin(); it != mBuffer.end(); ++it ) + { + i++; + + unsigned char c = static_cast<unsigned char>(*it); + + if ( c < 0x10 ) + hex.append("0"); + hex.append(QString("%1 ").arg(c, 0, 16)); + + ascii.append(isprint(c) ? c : '.'); + + if (i == 16) + { + output += hex + " |" + ascii + "|\n"; + i=0; + hex=QString::null; + ascii=QString::null; + } + } + + if(!hex.isEmpty()) + output += hex.leftJustify(48, ' ') + " |" + ascii.leftJustify(16, ' ') + '|'; + output.append('\n'); + + return output; +} + +QString Buffer::peekBSTR() +{ + int lastPos = mReadPos; + QByteArray qba = getBSTR(); + mReadPos = lastPos; + return QString( qba ); +} +QString Buffer::peekBUIN() +{ + int lastPos = mReadPos; + QByteArray qba = getBUIN(); + mReadPos = lastPos; + return QString( qba ); +} + +Buffer::operator QByteArray() const +{ + return mBuffer; +} +//kate: tab-width 4; indent-mode csands; |