| 1 | #include <cstring> | 
| 2 | #include "CompositeVisitor.hpp" | 
| 3 | #include "RigidBody.hpp" | 
| 4 | #include "DirectionalAtom.hpp" | 
| 5 | CompositeVisitor::~CompositeVisitor(){ | 
| 6 | VisitorIterator i; | 
| 7 | BaseVisitor* curVisitor; | 
| 8 |  | 
| 9 | for(curVisitor = beginVisitor(i); curVisitor; curVisitor = nextVisitor(i)) | 
| 10 | delete curVisitor; | 
| 11 |  | 
| 12 | visitorList.clear(); | 
| 13 |  | 
| 14 | } | 
| 15 | void CompositeVisitor::addVisitor(BaseVisitor* newVisitor, int priority){ | 
| 16 | VisitorIterator i; | 
| 17 | int curPriority; | 
| 18 |  | 
| 19 | for(i = visitorList.begin(); i != visitorList.end(); i++){ | 
| 20 | curPriority = (*i).second; | 
| 21 | //if new visitor has higher priority, just insert it before current visitor | 
| 22 | if(priority > curPriority){ | 
| 23 | visitorList.insert(i, make_pair(newVisitor, priority)); | 
| 24 | } | 
| 25 | } | 
| 26 |  | 
| 27 | //if new visitor has lowest priority, insert it at the end of the list | 
| 28 | visitorList.insert(visitorList.end(), make_pair(newVisitor, priority)); | 
| 29 | } | 
| 30 |  | 
| 31 | BaseVisitor* CompositeVisitor::beginVisitor(VisitorIterator& i){ | 
| 32 | i = visitorList.begin(); | 
| 33 | return i != visitorList.end() ? (*i).first : NULL; | 
| 34 | } | 
| 35 |  | 
| 36 | BaseVisitor* CompositeVisitor::nextVisitor(VisitorIterator& i){ | 
| 37 | ++i; | 
| 38 | return i != visitorList.end() ? (*i).first : NULL; | 
| 39 |  | 
| 40 | } | 
| 41 |  | 
| 42 | void CompositeVisitor::visit(Atom* atom){ | 
| 43 | VisitorIterator i; | 
| 44 | BaseVisitor* curVisitor; | 
| 45 |  | 
| 46 | for(curVisitor = beginVisitor(i); curVisitor; curVisitor = nextVisitor(i)) | 
| 47 | atom->accept(curVisitor); | 
| 48 | } | 
| 49 |  | 
| 50 | void CompositeVisitor::visit(DirectionalAtom* datom){ | 
| 51 | VisitorIterator i; | 
| 52 | BaseVisitor* curVisitor; | 
| 53 |  | 
| 54 | for(curVisitor = beginVisitor(i); curVisitor; curVisitor = nextVisitor(i)) | 
| 55 | datom->accept(curVisitor); | 
| 56 | } | 
| 57 | void CompositeVisitor::visit(RigidBody* rb){ | 
| 58 | VisitorIterator i; | 
| 59 | BaseVisitor* curVisitor; | 
| 60 | vector<Atom*> myAtoms; | 
| 61 | vector<Atom*>::iterator atomIter; | 
| 62 |  | 
| 63 | myAtoms = rb->getAtoms(); | 
| 64 |  | 
| 65 | for(curVisitor = beginVisitor(i); curVisitor; curVisitor = nextVisitor(i)){ | 
| 66 | rb->accept(curVisitor); | 
| 67 |  | 
| 68 | for(atomIter = myAtoms.begin(); atomIter != myAtoms.end(); ++atomIter) | 
| 69 | (*atomIter)->accept(curVisitor); | 
| 70 | } | 
| 71 |  | 
| 72 |  | 
| 73 |  | 
| 74 | } | 
| 75 |  | 
| 76 | const string CompositeVisitor::toString(){ | 
| 77 | VisitorIterator i; | 
| 78 | string result; | 
| 79 | char buffer[65535]; | 
| 80 |  | 
| 81 | sprintf(buffer ,"******************************************************************\n"); | 
| 82 | result += buffer; | 
| 83 |  | 
| 84 | sprintf(buffer ,"Visitor name: %s\n", visitorName.c_str()); | 
| 85 | result += buffer; | 
| 86 |  | 
| 87 | sprintf(buffer , "Visitor Description: visitor manager  maintaining a priority  list\n"); | 
| 88 | result += buffer; | 
| 89 |  | 
| 90 | sprintf(buffer , "visitors in current priority list:\n"); | 
| 91 | result += buffer; | 
| 92 |  | 
| 93 | for(i = visitorList.begin(); i != visitorList.end(); i++){ | 
| 94 | sprintf(buffer, "Priority = %d\tvisitor = %s\n",  (*i).second, ((*i).first->getVisitorName()).c_str()); | 
| 95 | result += buffer; | 
| 96 | } | 
| 97 |  | 
| 98 | sprintf(buffer, "Detail information about every visitor:\n"); | 
| 99 |  | 
| 100 |  | 
| 101 | for(i = visitorList.begin(); i != visitorList.end(); i++) | 
| 102 | result += ((*i).first)->toString(); | 
| 103 |  | 
| 104 | sprintf(buffer ,"******************************************************************\n"); | 
| 105 | result += buffer; | 
| 106 |  | 
| 107 | return result; | 
| 108 | } | 
| 109 |  | 
| 110 | void CompositeVisitor::update(){ | 
| 111 | VisitorIterator i; | 
| 112 | BaseVisitor* curVisitor; | 
| 113 |  | 
| 114 | for(curVisitor = beginVisitor(i); curVisitor; curVisitor = nextVisitor(i)) | 
| 115 | curVisitor->update(); | 
| 116 | } |