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/*
process Messages on the decoder
Copyright (C) 1998 Martin Vogt
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation.
For more information look at the file COPYRIGHT in this package
*/
#include "inputDecoder.h"
#include "commandTable.h"
#include "commandTableYAF.h"
#include "yafRuntime.defs"
#include "commandLine.h"
#include <iostream>
using namespace std;
InputDecoder::InputDecoder() {
commandTable=new CommandTable();
yafCommands=new CommandTableYAF();
appendCommandTable(yafCommands);
status=_DECODER_STATUS_IDLE;
lRuntimeInfo=true;
returnBuffer= new Buffer(200);
returnLine= new Buffer(200);
commandCounter=-1;
commandCounter=-1;
commandId=-1;
commandCounterString=NULL;
}
InputDecoder::~InputDecoder(){
delete yafCommands;
delete returnBuffer;
delete returnLine;
delete commandTable;
}
void InputDecoder::setRuntimeInfo(int lRuntimeInfo) {
this->lRuntimeInfo=lRuntimeInfo;
}
int InputDecoder::getRuntimeInfo() {
return lRuntimeInfo;
}
void InputDecoder::appendCommandTable(CommandTable* table){
commandTable->join(table);
}
void InputDecoder::processCommandLine(CommandLine* commandLine){
CommandTable* ct=commandTable; // "ct" is shorter
commandId=-1;
// The number of the command (unique for every command)
commandCounterString=commandLine->getValue(0);
commandCounter=atoi(commandCounterString);
// the command (longName or shortName )
if (commandLine->getCommandCount() == 0) {
clearReturnBuffer();
appendReturnBuffer("no Msg");
}
commandMsg=ct->getCommand(commandLine->getValue(1));
if ((commandMsg == NULL) || (strlen(commandMsg) == 0)) {
clearReturnBuffer();
appendReturnBuffer("unknown Command");
commandMsg=commandLine->getValue(1);
return ;
}
// the int value of the command (faster for compare)
commandId=ct->getNr(commandMsg);
// the Arguments of the command
commandArgs=ct->getArgs(commandMsg,(const char*) commandLine->getValue(1));
retString=processCommand(commandId,commandArgs);
if ((retString == NULL) || (strlen(retString) == 0)) {
retString=(char*)"ok";
}
clearReturnBuffer();
appendReturnBuffer(retString);
}
const char* InputDecoder::processCommand(int command,const char* args){
if (command == _YAF_I_HELP) {
if (strlen(args)==0) {
commandTable->print();
} else {
commandTable->print(commandTable->getNr(args),true);
}
return "";
}
if (command == _YAF_I_RUNTIME) {
if (strcmp("off",args)==0) {
setRuntimeInfo(false);
return "";
}
setRuntimeInfo(true);
return "";
}
if (command == _YAF_I_QUIT) {
::exit(0);
return "";
}
if (command == _YAF_I_WHATIS) {
cout << "Yaf <y>et <a>nother <f>rontend" << endl;
cout << endl;
cout << "Yaf is an interactive command line oriented shell for decoders." \
<< endl;
cout << endl;
cout << "Copyright (C) 1998,1999 Martin Vogt <[email protected]>"\
<<endl;
cout << "This program is free software; you can redistribute "\
<< "it and/or modify"<<endl;
cout << "it under the terms of the GNU Library General Public License "\
<< "as published by"<<endl;
cout << "the Free Software Foundation." <<endl;
cout << "For more information look at the file COPYRIGHT in "\
<< "this package" <<endl;
cout << endl;
cout << "THIS SOFTWARE COMES WITH ABSOLUTELY NO WARRANTY! " \
<< "USE AT YOUR OWN RISK!"<<endl;
return "";
}
if (command == _YAF_I_PING) {
return "";
}
if (command == _YAF_I_PROTOCOL) {
return "";
}
if (command == _YAF_I_NOPROTOCOL) {
return "";
}
return "unknown Command";
}
/**
These two functions are entered by the decoder
thread [START]
*/
void InputDecoder::doSomething(){
cout << "did something"<<endl;
}
int InputDecoder::getDecodertqStatus() {
return status;
}
void InputDecoder::setDecodertqStatus(int newState) {
// First start a new thread with start()!
// Their is no recovery if the thread status is set to exit!
if (status == _DECODER_STATUS_EXIT) {
return;
}
status=newState;
}
void InputDecoder::clearReturnBuffer() {
returnBuffer->clear();
}
void InputDecoder::appendReturnBuffer(const char* str) {
returnBuffer->append(str);
}
const char* InputDecoder::getReturnCode() {
// now we send back the return code
if ((commandId != -1) && (commandTable->getReturnFlag(commandId)==false)) {
return "";
}
returnLine->clear();
returnLine->append("Command:");
// The number of the command (unique for every command)
// 0: the command nr
returnLine->append(commandCounterString);
returnLine->append(" Ret:(");
returnLine->append(returnBuffer->getData());
returnLine->append(") Msg:");
// now get the part after Msg: (in the inputLine)
returnLine->append(commandMsg);
returnLine->append(" ");
returnLine->append(commandArgs);
return (const char*)returnLine->getData();
}
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