private void parseAttribute() throws IOException {
int token;
if (pushbackToken == -1) {
token = yylex();
} else {
token = pushbackToken;
pushbackToken = -1;
}
// Token WORD - start of an attribute
String attributeName = text();
skipWhiteSpace();
if (pushbackToken == -1) {
token = yylex();
} else {
token = pushbackToken;
pushbackToken = -1;
}
if (token == Parser.EQUALS) {
// Token "=" - the attribute has a value
skipWhiteSpace();
if (pushbackToken == -1) {
token = yylex();
} else {
token = pushbackToken;
pushbackToken = -1;
}
if (token == Parser.QUOTED) {
// token QUOTED - a quoted literal as the attribute value
parsedAttribute(attributeName, text(), true);
} else if (token == Parser.WORD || token == Parser.SLASH) {
// unquoted word
attributeBuffer.clear();
attributeBuffer.append(text());
while (true) {
int next;
if (pushbackToken == -1) {
next = yylex();
} else {
next = pushbackToken;
pushbackToken = -1;
}
if (next == Parser.WORD || next == Parser.EQUALS || next == Parser.SLASH) {
attributeBuffer.append(text());
} else {
pushBack(next);
break;
}
}
parsedAttribute(attributeName, attributeBuffer.toString(), false);
} else if (token == Parser.SLASH || token == Parser.GT) {
// no more attributes
pushBack(token);
} else if (token == 0) {
return;
} else {
reportError("Illegal attribute value", line(), column());
}
} else if (token == Parser.SLASH || token == Parser.GT || token == Parser.WORD) {
// it was a value-less HTML style attribute
parsedAttribute(attributeName, null, false);
pushBack(token);
} else if (token == 0) {
return;
} else {
reportError("Illegal attribute name", line(), column());
}
}
