status_t
BinaryOpNode::GetString(BString &predicate)
{
status_t error = (fChild1 && fChild2 ? B_OK : B_BAD_VALUE);
BString childString1;
BString childString2;
if (error == B_OK)
error = fChild1->GetString(childString1);
if (error == B_OK)
error = fChild2->GetString(childString2);
predicate.SetTo("");
if (error == B_OK) {
switch (fOp) {
case B_EQ:
predicate << "(" << childString1 << "=="
<< childString2 << ")";
break;
case B_GT:
predicate << "(" << childString1 << ">"
<< childString2 << ")";
break;
case B_GE:
predicate << "(" << childString1 << ">="
<< childString2 << ")";
break;
case B_LT:
predicate << "(" << childString1 << "<"
<< childString2 << ")";
break;
case B_LE:
predicate << "(" << childString1 << "<="
<< childString2 << ")";
break;
case B_NE:
predicate << "(" << childString1 << "!="
<< childString2 << ")";
break;
case B_CONTAINS:
if (StringNode *strNode = dynamic_cast<StringNode*>(fChild2)) {
BString value;
value << "*" << strNode->Value() << "*";
error = StringNode(value.String()).GetString(childString2);
}
if (error == B_OK) {
predicate << "(" << childString1 << "=="
<< childString2 << ")";
}
break;
case B_BEGINS_WITH:
if (StringNode *strNode = dynamic_cast<StringNode*>(fChild2)) {
BString value;
value << strNode->Value() << "*";
error = StringNode(value.String()).GetString(childString2);
}
if (error == B_OK) {
predicate << "(" << childString1 << "=="
<< childString2 << ")";
}
break;
case B_ENDS_WITH:
if (StringNode *strNode = dynamic_cast<StringNode*>(fChild2)) {
BString value;
value << "*" << strNode->Value();
error = StringNode(value.String()).GetString(childString2);
}
if (error == B_OK) {
predicate << "(" << childString1 << "=="
<< childString2 << ")";
}
break;
case B_AND:
predicate << "(" << childString1 << "&&"
<< childString2 << ")";
break;
case B_OR:
predicate << "(" << childString1 << "||"
<< childString2 << ")";
break;
default:
error = B_BAD_VALUE;
break;
}
}
return error;
}
void ParseString(const FString& StringToParse)
{
Index = 0;
DataString = StringToParse;
Strings.Add(StringNode());
if (Index >= DataString.Len())
return;
uint8 Token = ReadToken();
while (Token != EndOfString)
{
switch (Token)
{
case RegularChar:
Strings[Strings.Num()-1].String.AppendChar( DataString[Index++] );
break;
case NewLine:
Strings.Add(StringNode());
Strings[Strings.Num()-1].bNewLine = true;
Strings[Strings.Num()-1].Color = Strings[Strings.Num()-2].Color;
break;
case EndOfString:
break;
case Tab:
{
const FString TabString(TEXT(" "));
Strings[Strings.Num()-1].String.Append(TabString);
static bool sbTest = false;
if (sbTest)
{
Index++;
}
break;
}
case OpenTag:
{
FString OutData;
switch (ParseTag(OutData))
{
case DefinedColor:
{
int32 i = Strings.Add(StringNode());
Strings[i].Color = GColorList.GetFColorByName(*OutData.ToLower());
}
break;
case OtherColor:
{
FColor NewColor;
if (NewColor.InitFromString( OutData ))
{
int32 i = Strings.Add(StringNode());
Strings[i].Color = NewColor;
break;
}
}
default:
Strings[Strings.Num()-1].String += OutData;
break;
}
}
break;
}
Token = ReadToken();
}
}
