void GameLoader::CheckForEndToken(const HTMLToken & tokenToCheck) const
{
if (tokenToCheck.GetType() == HTMLTokenType::END)
{
throw CS240Exception("Invalid file");
}
}
//------------------------------------------------------------------------------------------------
void XMLReader::ParseXML(string & xml) {
HTMLTokenizer tokenizer(xml);
while (tokenizer.HasNextToken()) {
HTMLToken cur = tokenizer.GetNextToken();
switch (cur.GetType()) {
case TAG_START :
//cout << "TAG_START:" << cur.GetValue() << endl;
HandleStart(cur);
break;
case TAG_END :
//cout << "TAG_END:" << cur.GetValue() << endl;
HandleEnd(cur);
break;
case TEXT :
//cout << "TEXT:" << cur.GetValue() << endl;
//HandleText(&cur);
break;
case END :
//cout << "END:" << cur.GetValue() << endl;
//HandleEnd(cur);
break;
}
}
}
void HTMLParser::processTitle(HTMLTokenizer & tokenizer){
assert(tokenizer.HasNextToken());
while(tokenizer.HasNextToken()){
HTMLToken titleToken = tokenizer.GetNextToken();
if(titleToken.GetType() == TEXT){
title += titleToken.GetValue();
processText(titleToken.GetValue());
}
if(isTitleEnd(titleToken))
return;
}
}
void HTMLParser::MarkEndFlags(HTMLToken & current_tok)
{
//Marks flags for when we see the closing tag.
if(current_tok.GetType() == TAG_END)
{
string tag_value = current_tok.GetValue();
StringUtil::ToLower(tag_value);
if(tag_value == "html") inHTML = false;
if(tag_value == "head") inHead = false;
if(tag_value == "title") inTitle = false;
if(tag_value == "body") inBody = false;
if(tag_value == "script") inScript = false;
if(tag_value[0] == 'h' && isdigit(tag_value[1]))
inH = false;
}
}
void GameLoader::LoadMoveHistory(HTMLTokenizer & tokenizer, MoveHistory * gameHistory) const
{
HTMLToken currentToken = tokenizer.GetNextToken();
while (currentToken.GetValue() != "history")
{
CheckForEndToken(currentToken);
currentToken = tokenizer.GetNextToken();
}
currentToken = tokenizer.GetNextToken();
while (currentToken.GetValue() != "history")
{
CheckForEndToken(currentToken);
if (currentToken.GetValue() == "move"
&& currentToken.GetType() == HTMLTokenType::TAG_START)
{
while (currentToken.GetValue() != "piece")
{
CheckForEndToken(currentToken);
currentToken = tokenizer.GetNextToken();
}
HTMLToken origin = currentToken;
currentToken = tokenizer.GetNextToken();
while (currentToken.GetValue() != "piece")
{
CheckForEndToken(currentToken);
currentToken = tokenizer.GetNextToken();
}
HTMLToken destination = currentToken;
currentToken = tokenizer.GetNextToken();
int originPieceType = ConvertTypeStrToInt(origin.GetAttribute("type"));
int originPieceColor = ConvertColorStrToInt(origin.GetAttribute("color"));
int originCol = atoi(origin.GetAttribute("column").c_str());
int originRow = atoi(origin.GetAttribute("row").c_str());
int destinationCol = atoi(destination.GetAttribute("column").c_str());
int destinationRow = atoi(destination.GetAttribute("row").c_str());
int capturedPieceType = -1;
int capturedCol = -1;
int capturedRow = -1;
while (currentToken.GetValue() != "piece"
&& currentToken.GetValue() != "move")
{
CheckForEndToken(currentToken);
currentToken = tokenizer.GetNextToken();
}
if (currentToken.GetValue() == "piece")
{
capturedPieceType = ConvertTypeStrToInt(currentToken.GetAttribute("type"));
capturedCol = atoi(currentToken.GetAttribute("column").c_str());
capturedRow = atoi(currentToken.GetAttribute("row").c_str());
}
gameHistory->AddMove(Move(originPieceType,
originPieceColor, BoardPosition(originRow, originCol),
BoardPosition(destinationRow, destinationCol),
capturedPieceType, BoardPosition(capturedRow, capturedCol)));
}
else
{
currentToken = tokenizer.GetNextToken();
}
}
}
bool HTMLParser::isHeaderEnd(HTMLToken & token){
string lower = token.GetValue();
StringUtil::ToLower(lower);
boost::regex re("[hH][1-9]");
return (boost::regex_match(lower, re) && token.GetType() == TAG_END);
}
bool HTMLParser::isScriptEnd(HTMLToken & token){
string lower = token.GetValue();
StringUtil::ToLower(lower);
return (token.GetType() == TAG_END && lower == "script");
}
bool HTMLParser::isLinkStart(HTMLToken & token){
string lower = token.GetValue();
StringUtil::ToLower(lower);
return (token.GetType() == TAG_START && lower == "a");
}
bool HTMLParser::isText(HTMLToken & token){
string lower = token.GetValue();
StringUtil::ToLower(lower);
return (token.GetType() == TEXT && !isWhiteSpace(lower));
}
bool HTMLParser::isTitleEnd(HTMLToken & token){
string lower = token.GetValue();
StringUtil::ToLower(lower);
return (token.GetType() == TAG_END && lower.compare("title") == 0);
}
bool HTMLParser::isHeadStart(HTMLToken & token){
string lower = token.GetValue();
StringUtil::ToLower(lower);
return (token.GetType() == TAG_START && lower.compare("head") == 0);
}