state = states.pop();
} else {
String anchor = null;
TagTuple tagTokenTag = null;
if (scanner.checkToken(Token.ID.Anchor)) {
AnchorToken token = (AnchorToken) scanner.getToken();
startMark = token.getStartMark();
endMark = token.getEndMark();
anchor = token.getValue();
if (scanner.checkToken(Token.ID.Tag)) {
TagToken tagToken = (TagToken) scanner.getToken();
tagMark = tagToken.getStartMark();
endMark = tagToken.getEndMark();
tagTokenTag = tagToken.getValue();
}
} else if (scanner.checkToken(Token.ID.Tag)) {
TagToken tagToken = (TagToken) scanner.getToken();
startMark = tagToken.getStartMark();
tagMark = startMark;
endMark = tagToken.getEndMark();
tagTokenTag = tagToken.getValue();
if (scanner.checkToken(Token.ID.Anchor)) {
AnchorToken token = (AnchorToken) scanner.getToken();
endMark = token.getEndMark();
anchor = token.getValue();
}
}
String tag = null;
if (tagTokenTag != null) {
String handle = tagTokenTag.getHandle();
String suffix = tagTokenTag.getSuffix();
if (handle != null) {
if (!directives.getTags().containsKey(handle)) {
throw new ParserException("while parsing a node", startMark,
"found undefined tag handle " + handle, tagMark);
}
tag = directives.getTags().get(handle) + suffix;
} else {
tag = suffix;
}
}
if (startMark == null) {
startMark = scanner.peekToken().getStartMark();
endMark = startMark;
}
event = null;
boolean implicit = (tag == null || tag.equals("!"));
if (indentlessSequence && scanner.checkToken(Token.ID.BlockEntry)) {
endMark = scanner.peekToken().getEndMark();
event = new SequenceStartEvent(anchor, tag, implicit, startMark, endMark,
Boolean.FALSE);
state = new ParseIndentlessSequenceEntry();
} else {
if (scanner.checkToken(Token.ID.Scalar)) {
ScalarToken token = (ScalarToken) scanner.getToken();
endMark = token.getEndMark();
ImplicitTuple implicitValues;
if ((token.getPlain() && tag == null) || "!".equals(tag)) {
implicitValues = new ImplicitTuple(true, false);
} else if (tag == null) {
implicitValues = new ImplicitTuple(false, true);
} else {
implicitValues = new ImplicitTuple(false, false);
}
event = new ScalarEvent(anchor, tag, implicitValues, token.getValue(),
startMark, endMark, token.getStyle());
state = states.pop();
} else if (scanner.checkToken(Token.ID.FlowSequenceStart)) {
endMark = scanner.peekToken().getEndMark();
event = new SequenceStartEvent(anchor, tag, implicit, startMark, endMark,
Boolean.TRUE);
state = new ParseFlowSequenceFirstEntry();
} else if (scanner.checkToken(Token.ID.FlowMappingStart)) {
endMark = scanner.peekToken().getEndMark();
event = new MappingStartEvent(anchor, tag, implicit, startMark, endMark,
Boolean.TRUE);
state = new ParseFlowMappingFirstKey();
} else if (block && scanner.checkToken(Token.ID.BlockSequenceStart)) {
endMark = scanner.peekToken().getStartMark();
event = new SequenceStartEvent(anchor, tag, implicit, startMark, endMark,
Boolean.FALSE);
state = new ParseBlockSequenceFirstEntry();
} else if (block && scanner.checkToken(Token.ID.BlockMappingStart)) {
endMark = scanner.peekToken().getStartMark();
event = new MappingStartEvent(anchor, tag, implicit, startMark, endMark,
Boolean.FALSE);
state = new ParseBlockMappingFirstKey();
} else if (anchor != null || tag != null) {
// Empty scalars are allowed even if a tag or an anchor is
// specified.
event = new ScalarEvent(anchor, tag, new ImplicitTuple(implicit, false), "",
startMark, endMark, (char) 0);
state = states.pop();
} else {
String node;
if (block) {
node = "block";
} else {
node = "flow";
}
Token token = scanner.peekToken();
throw new ParserException("while parsing a " + node + " node", startMark,
"expected the node content, but found " + token.getTokenId(),
token.getStartMark());
}
}
}
return event;
}