1 files changed, 204 insertions, 0 deletions
diff --git a/protocols/Xfire/src/variablevalue.cpp b/protocols/Xfire/src/variablevalue.cpp
new file mode 100644
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+++ b/protocols/Xfire/src/variablevalue.cpp
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+/*
+ *  xfirelib - C++ Library for the xfire protocol.
+ *  Copyright (C) 2006 by
+ *          Beat Wolf <asraniel@fryx.ch> / http://gfire.sf.net
+ *          Herbert Poul <herbert.poul@gmail.com> / http://goim.us
+ *    http://xfirelib.sphene.net
+ *
+ *  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.
+ *
+ *  This program 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 program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include "stdafx.h"
+
+#include <string>
+#include "variablevalue.h"
+#include "xdebug.h"
+
+#include "math.h" // for pow(..)
+
+namespace xfirelib {
+
+using namespace std;
+
+  VariableValue::VariableValue() {
+    value = 0;
+  }
+  VariableValue::~VariableValue() {
+    if(value)
+      delete[] value;
+  }
+
+  void VariableValue::setName(std::string name){
+    this->name = name; 
+  }
+
+  void VariableValue::setValueLength(int valueLength){
+    this->valueLength = valueLength;
+  }
+
+  void VariableValue::setValue( char * value) {
+    if(this->value) delete[] value;
+    this->value = value;
+  }
+  void VariableValue::setValue( std::string value ) {
+    const char *val = value.c_str();
+    setValue( val, value.length() );
+  }
+  void VariableValue::setValue( const char *value, int valueLength ) {
+    this->value = new char[valueLength];
+    memcpy( this->value, value, valueLength );
+    this->valueLength = valueLength;
+  }
+  void VariableValue::setValueFromLong( long value, int bytes ) {
+    this->valueLength = bytes;
+    this->value = new char[bytes];
+    for(int i = 0 ; i < bytes ; i++) {
+      this->value[i] = value % 256;
+      value = value / 256;
+    }
+  }
+
+  std::string VariableValue::getName(){
+    return name;
+  }
+
+  int VariableValue::getValueLength(){
+    return valueLength;
+  }
+
+  char* VariableValue::getValue(){
+    return value;
+  }
+
+  long VariableValue::getValueAsLong() {
+    long intVal = 0;
+    for(int i = 0 ; i < valueLength ; i++) {
+      intVal += ((unsigned char)value[i]) * myPow(256,i);
+    }
+    return intVal;
+  }
+
+  long VariableValue::myPow(int x, int y) {
+    long r = 1;
+    for(int i = 0 ; i < y ; i++) r *= x;
+    return r;
+  }
+
+  int VariableValue::readName(char *packet, int index) {
+    int read = 0;
+    int nameLength = packet[index];
+    read++;
+    char* namestr=new char[nameLength+1];
+	namestr[nameLength]=0;
+    memcpy(namestr,packet+index+read,nameLength);
+    name = string(namestr);
+    read+=nameLength;
+    return read;
+  }
+
+  int VariableValue::readValue(char *packet, int index, int length,int ignoreZeroAfterLength) {
+    int read = 0;
+    valueLength = length;
+    if(valueLength < 0) {
+      valueLength = (unsigned char)packet[index+read];read++;
+      if(ignoreZeroAfterLength) read++;
+    }
+
+    if(value) delete[] value;
+    value = new char[valueLength];
+    memcpy(value,packet+index+read,valueLength);
+    read+=valueLength;
+
+    return read;
+  }
+
+/*TODO: this cant work, attLength is always 0, needs to be fixed*/
+/* int VariableValue::readFixValue(char *packet, int index, int packetLength, int valueLength) {
+    VariableValue *value = this;
+    int nameLength = packet[index];
+    
+    int i = 1;
+    int attLengthLength = 0;
+    int attLength = 0;
+    string name;
+    
+    for(; i <= nameLength;i++){
+      name += packet[index+i];
+    }
+    value->setName(name);
+    index += i;
+    index++; //ignore next value
+
+    value->setValueLength(valueLength);
+    
+    char *att = new char[attLength];
+    index += i+1;
+    for(i = 0; i < attLength;i++){
+      att[i] = packet[index+i];
+    }
+    index += i;
+    value->setValue(att);
+    return index;
+ }*/
+
+
+  int VariableValue::readVariableValue(char *packet, int index, int packetLength){
+    VariableValue *value = this;
+    int nameLength = packet[index];
+    
+    int i = 1;
+    int attLengthLength = 0;
+    int attLength = 0;
+    string name;
+    
+    for(; i <= nameLength;i++){
+      name += packet[index+i];
+    }
+    value->setName(name);
+    
+    index += i;
+    attLengthLength = packet[index];
+    index++;
+    
+    for(i = 0; i < attLengthLength;i++){
+      attLength += (unsigned char)packet[index+i];/*todo: make it work if length is longer than 1 byte*/
+    }
+    value->setValueLength(attLength);
+    
+    char *att = new char[attLength];
+    index += i+1;
+    for(i = 0; i < attLength;i++){
+      att[i] = packet[index+i];
+    }
+    value->setValue(att);
+    index += i;
+    return index;
+  }
+
+
+
+
+  int VariableValue::writeName(char *buf, int index) {
+    int len = name.length();
+    buf[index] = len;
+    memcpy(buf+index+1,name.c_str(),len);
+    return len+1;
+  }
+  int VariableValue::writeValue(char *buf, int index) {
+    memcpy(buf+index,value,valueLength);
+    return valueLength;
+  }
+
+};