void SetDataItemProperty(DataItem dataItem, NodeProperty property)
{
if (property.Anchor != null)
{
currentDocument.AnchoredItems[property.Anchor] = dataItem;
}
dataItem.Property = property;
}
/// <summary>
/// Tries wrap <see cref="DataItem"/> object for using dynamic features.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="result">The result.</param>
/// <returns>wrapped <see cref="DataItem"/> object.</returns>
internal static bool TryMapValue(DataItem value, out Object result)
{
if (value is Scalar)
{
result = (value as Scalar).Text;
return true;
}
if (value is Sequence)
{
result = (value as Sequence).Enties.Select(MapValue).ToList();
return true;
}
if (value is Mapping)
{
result = new YamlMapping(value as Mapping);
return true;
}
result = null;
return false;
}
private static Object MapValue(DataItem value)
{
Object result;
TryMapValue(value, out result);
return result;
}
private DataItem ParseAliasNode(out bool success)
{
DataItem dataItem = new DataItem();
int start_position = position;
MatchTerminal('*', out success);
if (!success)
{
Error("Failed to parse '*' of AliasNode.");
position = start_position;
return dataItem;
}
string name = ParseAnchorName(out success);
if (success) { return GetAnchoredDataItem(name); }
else
{
Error("Failed to parse name of AliasNode.");
position = start_position;
}
return dataItem;
}
private DataItem ParseFlowNodeInFlow(out bool success)
{
DataItem dataItem = new DataItem();
dataItem = ParseAliasNode(out success);
if (success) { ClearError(); return dataItem; }
dataItem = ParseFlowContentInFlow(out success);
if (success) { ClearError(); return dataItem; }
while (true)
{
int seq_start_position1 = position;
NodeProperty property = ParseNodeProperty(out success);
if (success) { dataItem = new Scalar(); }
else
{
Error("Failed to parse property of FlowNodeInFlow.");
break;
}
while (true)
{
int seq_start_position2 = position;
ParseSeparationLinesInFlow(out success);
if (!success)
{
Error("Failed to parse SeparationLinesInFlow of FlowNodeInFlow.");
break;
}
dataItem = ParseFlowContentInFlow(out success);
if (!success)
{
Error("Failed to parse FlowContentInFlow of FlowNodeInFlow.");
position = seq_start_position2;
}
break;
}
if (success) { SetDataItemProperty(dataItem, property); }
success = true;
break;
}
if (success) { ClearError(); return dataItem; }
return dataItem;
}
private DataItem ParseSeparatedBlock(out bool success)
{
DataItem dataItem = new DataItem();
dataItem = ParseSeparatedContent(out success);
if (success) { ClearError(); return dataItem; }
while (true)
{
int seq_start_position1 = position;
ParseSeparationLines(out success);
if (!success)
{
Error("Failed to parse SeparationLines of SeparatedBlock.");
break;
}
dataItem = ParseAliasNode(out success);
if (!success)
{
Error("Failed to parse AliasNode of SeparatedBlock.");
position = seq_start_position1;
break;
}
ParseInlineComments(out success);
if (!success)
{
Error("Failed to parse InlineComments of SeparatedBlock.");
position = seq_start_position1;
}
break;
}
if (success) { ClearError(); return dataItem; }
while (true)
{
int seq_start_position2 = position;
ParseSeparationSpace(out success);
if (!success)
{
Error("Failed to parse SeparationSpace of SeparatedBlock.");
break;
}
NodeProperty property = ParseNodeProperty(out success);
if (!success)
{
Error("Failed to parse property of SeparatedBlock.");
position = seq_start_position2;
break;
}
dataItem = ParseSeparatedContent(out success);
if (success) { SetDataItemProperty(dataItem, property); }
success = true;
break;
}
if (success) { ClearError(); return dataItem; }
dataItem = ParseEmptyBlock(out success);
if (success) { ClearError(); return dataItem; }
return dataItem;
}
private DataItem ParseSeparatedBlockNode(out bool success)
{
IncreaseIndent();
DataItem dataItem = new DataItem();
dataItem = ParseSeparatedBlock(out success);
DecreaseIndent();
if (!success) { Error("Failed to parse SeparatedBlock of SeparatedBlockNode."); }
return dataItem;
}
private DataItem ParseDataItem(out bool success)
{
DataItem dataItem = new DataItem();
int start_position = position;
while (true)
{
int seq_start_position1 = position;
dataItem.Property = ParseNodeProperty(out success);
if (!success)
{
Error("Failed to parse Property of DataItem.");
break;
}
ParseSeparationLines(out success);
if (!success)
{
Error("Failed to parse SeparationLines of DataItem.");
position = seq_start_position1;
}
break;
}
success = true;
while (true)
{
dataItem = ParseScalar(out success);
if (success) { ClearError(); break; }
dataItem = ParseSequence(out success);
if (success) { ClearError(); break; }
dataItem = ParseMapping(out success);
if (success) { ClearError(); break; }
break;
}
if (!success)
{
Error("Failed to parse (Scalar / Sequence / Mapping) of DataItem.");
position = start_position;
}
return dataItem;
}
private DataItem ParseBlockSimpleValue(out bool success)
{
DataItem dataItem = new DataItem();
dataItem = ParseBlockCollectionEntry(out success);
if (!success) { Error("Failed to parse BlockCollectionEntry of BlockSimpleValue."); }
return dataItem;
}
private DataItem ParseBlockSimpleKey(out bool success)
{
DataItem dataItem = new DataItem();
int start_position = position;
dataItem = ParseBlockKey(out success);
if (!success)
{
Error("Failed to parse BlockKey of BlockSimpleKey.");
position = start_position;
return dataItem;
}
ParseSeparationLines(out success);
success = true;
MatchTerminal(':', out success);
if (!success)
{
Error("Failed to parse ':' of BlockSimpleKey.");
position = start_position;
}
return dataItem;
}
private DataItem ParseBlockExplicitValue(out bool success)
{
DataItem dataItem = new DataItem();
int start_position = position;
ParseIndent(out success);
if (!success)
{
Error("Failed to parse Indent of BlockExplicitValue.");
position = start_position;
return dataItem;
}
MatchTerminal(':', out success);
if (!success)
{
Error("Failed to parse ':' of BlockExplicitValue.");
position = start_position;
return dataItem;
}
dataItem = ParseBlockCollectionEntry(out success);
if (!success)
{
Error("Failed to parse BlockCollectionEntry of BlockExplicitValue.");
position = start_position;
}
return dataItem;
}
private DataItem ParseSimpleKey(out bool success)
{
DataItem dataItem = new DataItem();
int start_position = position;
dataItem = ParseFlowKey(out success);
if (!success)
{
Error("Failed to parse FlowKey of SimpleKey.");
position = start_position;
return dataItem;
}
ParseSeparationLinesInFlow(out success);
success = true;
return dataItem;
}
private DataItem ParseBlockSequenceEntry(out bool success)
{
DataItem dataItem = new DataItem();
int start_position = position;
MatchTerminal('-', out success);
if (!success)
{
Error("Failed to parse '-' of BlockSequenceEntry.");
position = start_position;
return dataItem;
}
dataItem = ParseBlockCollectionEntry(out success);
if (!success)
{
Error("Failed to parse BlockCollectionEntry of BlockSequenceEntry.");
position = start_position;
}
return dataItem;
}
private DataItem ParseEmptyBlock(out bool success)
{
DataItem dataItem = new DataItem();
int start_position = position;
dataItem = ParseEmptyFlow(out success);
ParseInlineComments(out success);
if (!success)
{
Error("Failed to parse InlineComments of EmptyBlock.");
position = start_position;
}
return dataItem;
}
private DataItem ParseEmptyFlow(out bool success)
{
DataItem dataItem = new DataItem();
success = true;
if (success) { return new Scalar(); }
return dataItem;
}
private void AddNode(DataItem node, String path)
{
var mapping = node as Mapping;
if (mapping != null)
{
foreach (var record in mapping.Enties)
{
var key = record.Key as Scalar;
if (key != null)
{
AddNode(record.Value, Combine(key.Text, path));
}
}
}
var scalar = node as Scalar;
if (scalar != null)
{
resources[path] = scalar.Text;
}
}