private ParsingEvent ParseDocumentStart(bool isImplicit)
{
if (!isImplicit)
{
while (GetCurrentToken() is YamlDotNet.Core.Tokens.DocumentEnd)
{
Skip();
}
}
if (isImplicit && !(GetCurrentToken() is VersionDirective) && !(GetCurrentToken() is TagDirective) && !(GetCurrentToken() is YamlDotNet.Core.Tokens.DocumentStart) && !(GetCurrentToken() is YamlDotNet.Core.Tokens.StreamEnd))
{
TagDirectiveCollection tags = new TagDirectiveCollection();
ProcessDirectives(tags);
states.Push(ParserState.DocumentEnd);
state = ParserState.BlockNode;
return(new YamlDotNet.Core.Events.DocumentStart(null, tags, true, GetCurrentToken().Start, GetCurrentToken().End));
}
if (!(GetCurrentToken() is YamlDotNet.Core.Tokens.StreamEnd))
{
Mark start = GetCurrentToken().Start;
TagDirectiveCollection tags2 = new TagDirectiveCollection();
VersionDirective version = ProcessDirectives(tags2);
Token token = GetCurrentToken();
if (!(token is YamlDotNet.Core.Tokens.DocumentStart))
{
throw new SemanticErrorException(token.Start, token.End, "Did not find expected <document start>.");
}
states.Push(ParserState.DocumentEnd);
state = ParserState.DocumentContent;
ParsingEvent result = new YamlDotNet.Core.Events.DocumentStart(version, tags2, false, start, token.End);
Skip();
return(result);
}
state = ParserState.StreamEnd;
ParsingEvent result2 = new YamlDotNet.Core.Events.StreamEnd(GetCurrentToken().Start, GetCurrentToken().End);
if (scanner.MoveNextWithoutConsuming())
{
throw new InvalidOperationException("The scanner should contain no more tokens.");
}
return(result2);
}
/// <summary>
/// Parse the productions:
/// implicit_document ::= block_node DOCUMENT-END*
/// *
/// explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END*
/// *************************
/// </summary>
private ParsingEvent ParseDocumentStart(bool isImplicit)
{
// Parse extra document end indicators.
if (!isImplicit)
{
while (GetCurrentToken() is DocumentEnd)
{
Skip();
}
}
// Parse an isImplicit document.
if (isImplicit && !(GetCurrentToken() is VersionDirective || GetCurrentToken() is TagDirective || GetCurrentToken() is DocumentStart || GetCurrentToken() is StreamEnd))
{
var directives = new TagDirectiveCollection();
ProcessDirectives(directives);
states.Push(ParserState.DocumentEnd);
state = ParserState.BlockNode;
return new Events.DocumentStart(null, directives, true, GetCurrentToken().Start, GetCurrentToken().End);
}
// Parse an explicit document.
else if (!(GetCurrentToken() is StreamEnd))
{
Mark start = GetCurrentToken().Start;
var directives = new TagDirectiveCollection();
var versionDirective = ProcessDirectives(directives);
var current = GetCurrentToken();
if (!(current is DocumentStart))
{
throw new SemanticErrorException(current.Start, current.End, "Did not find expected <document start>.");
}
states.Push(ParserState.DocumentEnd);
state = ParserState.DocumentContent;
ParsingEvent evt = new Events.DocumentStart(versionDirective, directives, false, start, current.End);
Skip();
return evt;
}
// Parse the stream end.
else
{
state = ParserState.StreamEnd;
ParsingEvent evt = new Events.StreamEnd(GetCurrentToken().Start, GetCurrentToken().End);
// Do not call skip here because that would throw an exception
if (scanner.MoveNextWithoutConsuming())
{
throw new InvalidOperationException("The scanner should contain no more tokens.");
}
return evt;
}
}
/// <summary>
/// Parse the productions:
/// implicit_document ::= block_node DOCUMENT-END*
/// *
/// explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END*
/// *************************
/// </summary>
private ParsingEvent ParseDocumentStart(bool isImplicit)
{
if (currentToken is VersionDirective)
{
// EB22
throw new SyntaxErrorException("While parsing a document start node, could not find document end marker before version directive.");
}
// Parse extra document end indicators.
var current = GetCurrentToken();
if (!isImplicit)
{
while (current is DocumentEnd)
{
Skip();
current = GetCurrentToken();
}
}
if (current == null)
{
throw new SyntaxErrorException("Reached the end of the stream while parsing a document start.");
}
if (current is Scalar && (state == ParserState.ImplicitDocumentStart || state == ParserState.DocumentStart))
{
isImplicit = true;
}
// Parse an isImplicit document.
if (isImplicit && !(current is VersionDirective || current is TagDirective || current is DocumentStart || current is StreamEnd || current is DocumentEnd) || current is BlockMappingStart)
{
var directives = new TagDirectiveCollection();
ProcessDirectives(directives);
states.Push(ParserState.DocumentEnd);
state = ParserState.BlockNode;
return(new Events.DocumentStart(null, directives, true, current.Start, current.End));
}
// Parse an explicit document.
else if (!(current is StreamEnd || current is DocumentEnd))
{
var start = current.Start;
var directives = new TagDirectiveCollection();
var versionDirective = ProcessDirectives(directives);
current = GetCurrentToken() ?? throw new SemanticErrorException("Reached the end of the stream while parsing a document start");
if (!(current is DocumentStart))
{
throw new SemanticErrorException(current.Start, current.End, "Did not find expected <document start>.");
}
states.Push(ParserState.DocumentEnd);
state = ParserState.DocumentContent;
var end = current.End;
Skip();
return(new Events.DocumentStart(versionDirective, directives, false, start, end));
}
// Parse the stream end.
else
{
if (current is DocumentEnd)
{
Skip();
}
state = ParserState.StreamEnd;
current = GetCurrentToken() ?? throw new SemanticErrorException("Reached the end of the stream while parsing a document start");
var evt = new Events.StreamEnd(current.Start, current.End);
// Do not call skip here because that would throw an exception
if (scanner.MoveNextWithoutConsuming())
{
throw new InvalidOperationException("The scanner should contain no more tokens.");
}
return(evt);
}
}
/// <summary>
/// Parse the productions:
/// implicit_document ::= block_node DOCUMENT-END*
/// *
/// explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END*
/// *************************
/// </summary>
private Event ParseDocumentStart(bool isImplicit)
{
// Parse extra document end indicators.
if (!isImplicit)
{
while (GetCurrentToken() is DocumentEnd)
{
Skip();
}
}
// Parse an isImplicit document.
if (isImplicit && !(GetCurrentToken() is VersionDirective || GetCurrentToken() is TagDirective || GetCurrentToken() is DocumentStart || GetCurrentToken() is StreamEnd))
{
TagDirectiveCollection directives = new TagDirectiveCollection();
ProcessDirectives(directives);
states.Push(ParserState.YAML_PARSE_DOCUMENT_END_STATE);
state = ParserState.YAML_PARSE_BLOCK_NODE_STATE;
return(new Events.DocumentStart(null, directives, true, GetCurrentToken().Start, GetCurrentToken().End));
}
// Parse an explicit document.
else if (!(GetCurrentToken() is StreamEnd))
{
Mark start = GetCurrentToken().Start;
TagDirectiveCollection directives = new TagDirectiveCollection();
VersionDirective versionDirective = ProcessDirectives(directives);
var current = GetCurrentToken();
if (!(current is DocumentStart))
{
throw new SemanticErrorException(current.Start, current.End, "Did not find expected <document start>.");
}
states.Push(ParserState.YAML_PARSE_DOCUMENT_END_STATE);
state = ParserState.YAML_PARSE_DOCUMENT_CONTENT_STATE;
Event evt = new Events.DocumentStart(versionDirective, directives, false, start, current.End);
Skip();
return(evt);
}
// Parse the stream end.
else
{
state = ParserState.YAML_PARSE_END_STATE;
Event evt = new Events.StreamEnd(GetCurrentToken().Start, GetCurrentToken().End);
// Do not call skip here because that would throw an exception
if (scanner.InternalMoveNext())
{
throw new InvalidOperationException("The scanner should contain no more tokens.");
}
return(evt);
}
}
/// <summary>
/// Parse the productions:
/// implicit_document ::= block_node DOCUMENT-END*
/// *
/// explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END*
/// *************************
/// </summary>
private ParsingEvent ParseDocumentStart(bool isImplicit)
{
// Parse extra document end indicators.
if (!isImplicit)
{
while (GetCurrentToken() is DocumentEnd)
{
Skip();
}
}
// Parse an isImplicit document.
if (isImplicit && !(GetCurrentToken() is VersionDirective || GetCurrentToken() is TagDirective || GetCurrentToken() is DocumentStart || GetCurrentToken() is StreamEnd))
{
var directives = new TagDirectiveCollection();
ProcessDirectives(directives);
states.Push(ParserState.DocumentEnd);
state = ParserState.BlockNode;
return(new Events.DocumentStart(null, directives, true, GetCurrentToken().Start, GetCurrentToken().End));
}
// Parse an explicit document.
else if (!(GetCurrentToken() is StreamEnd))
{
Mark start = GetCurrentToken().Start;
var directives = new TagDirectiveCollection();
var versionDirective = ProcessDirectives(directives);
var current = GetCurrentToken();
if (!(current is DocumentStart))
{
throw new SemanticErrorException(current.Start, current.End, "Did not find expected <document start>.");
}
states.Push(ParserState.DocumentEnd);
state = ParserState.DocumentContent;
ParsingEvent evt = new Events.DocumentStart(versionDirective, directives, false, start, current.End);
Skip();
return(evt);
}
// Parse the stream end.
else
{
state = ParserState.StreamEnd;
ParsingEvent evt = new Events.StreamEnd(GetCurrentToken().Start, GetCurrentToken().End);
// Do not call skip here because that would throw an exception
if (scanner.MoveNextWithoutConsuming())
{
throw new InvalidOperationException("The scanner should contain no more tokens.");
}
return(evt);
}
}
void IParsingEventVisitor.Visit(StreamEnd e)
{
throw new NotSupportedException();
}
/// <summary>
/// Parse the productions:
/// implicit_document ::= block_node DOCUMENT-END*
/// *
/// explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END*
/// *************************
/// </summary>
private Event ParseDocumentStart(bool isImplicit)
{
// Parse extra document end indicators.
if (!isImplicit)
{
while (GetCurrentToken() is DocumentEnd)
{
Skip();
}
}
// Parse an isImplicit document.
if (isImplicit && !(GetCurrentToken() is VersionDirective || GetCurrentToken() is TagDirective || GetCurrentToken() is DocumentStart || GetCurrentToken() is StreamEnd))
{
TagDirectiveCollection directives = new TagDirectiveCollection();
ProcessDirectives(directives);
states.Push(ParserState.YAML_PARSE_DOCUMENT_END_STATE);
state = ParserState.YAML_PARSE_BLOCK_NODE_STATE;
return new Events.DocumentStart(null, directives, true, GetCurrentToken().Start, GetCurrentToken().End);
}
// Parse an explicit document.
else if (!(GetCurrentToken() is StreamEnd))
{
Mark start = GetCurrentToken().Start;
TagDirectiveCollection directives = new TagDirectiveCollection();
VersionDirective versionDirective = ProcessDirectives(directives);
var current = GetCurrentToken();
if (!(current is DocumentStart))
{
throw new SemanticErrorException(current.Start, current.End, "Did not find expected <document start>.");
}
states.Push(ParserState.YAML_PARSE_DOCUMENT_END_STATE);
state = ParserState.YAML_PARSE_DOCUMENT_CONTENT_STATE;
Event evt = new Events.DocumentStart(versionDirective, directives, false, start, current.End);
Skip();
return evt;
}
// Parse the stream end.
else
{
state = ParserState.YAML_PARSE_END_STATE;
Event evt = new Events.StreamEnd(GetCurrentToken().Start, GetCurrentToken().End);
// Do not call skip here because that would throw an exception
if (scanner.InternalMoveNext())
{
throw new InvalidOperationException("The scanner should contain no more tokens.");
}
return evt;
}
}