// rdcodetrap.cpp // // A class for trapping arbitrary character sequences. // // (C) Copyright 2002-2020 Fred Gleason <fredg@paravelsystems.com> // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU Library General Public License // version 2 as published by the Free Software Foundation. // // 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., 675 Mass Ave, Cambridge, MA 02139, USA. // // #include <string.h> #include <rdcodetrap.h> RDCodeTrap::RDCodeTrap(QObject *parent) : QObject(parent) { } RDCodeTrap::~RDCodeTrap() { } void RDCodeTrap::addTrap(int id,const char *code,int length) { for(int i=0;i<trap_events.size();i++) { if(length==trap_events[i].length) { if((trap_events[i].id==id)&& (!strncmp(code,trap_events[i].code,length))) { return; } } } trap_events.push_back(RDTrapEvent()); trap_events.back().id=id; trap_events.back().code=new char[length]; memcpy(trap_events.back().code,code,length); trap_events.back().length=length; trap_events.back().istate=0; } void RDCodeTrap::removeTrap(int id) { for(int i=0;i<trap_events.size();i++) { if(trap_events[i].id==id) { delete trap_events[i].code; QList<RDTrapEvent>::iterator it=trap_events.begin()+i; trap_events.erase(it,it+1); i--; } } } void RDCodeTrap::removeTrap(const char *code,int length) { for(int i=0;i<trap_events.size();i++) { if(length==trap_events[i].length) { if(!strncmp(code,trap_events[i].code,length)) { delete trap_events[i].code; QList<RDTrapEvent>::iterator it=trap_events.begin()+i; trap_events.erase(it,it+1); i--; } } } } void RDCodeTrap::removeTrap(int id,const char *code,int length) { for(int i=0;i<trap_events.size();i++) { if(length==trap_events[i].length) { if((trap_events[i].id==id)&& (!strncmp(code,trap_events[i].code,length))) { delete trap_events[i].code; QList<RDTrapEvent>::iterator it=trap_events.begin()+i; trap_events.erase(it,it+1); i--; } } } } void RDCodeTrap::scan(const char *buf,int length) { for(int i=0;i<trap_events.size();i++) { for(int j=0;j<length;j++) { if(buf[j]==trap_events[i].code[trap_events[i].istate]) { trap_events[i].istate++; } else { trap_events[i].istate=0; } if(trap_events[i].istate==trap_events[i].length) { emit trapped(trap_events[i].id); trap_events[i].istate=0; } } } } void RDCodeTrap::clear() { trap_events.clear(); }