public YamlObject GetObject(string name)
{
string[] names = name.Split('\\');
YamlObjects curList = ChildItems;
YamlObject result = null;
foreach (string part in names)
{
for (int i = 0; i < curList.Count; i++)
{
YamlObject o = curList[i];
string nameInList = o.Name;
if (nameInList.Length == 0)
{
nameInList = i.ToString();
}
if (nameInList == part)
{
result = o; curList = o.ChildItems; break;
}
}
}
if (result == null)
{
result = new YamlObject();
}
return(result);
}
public static YamlObject Parse(string yamlText)
{
YamlObject resultObject = new YamlObject();
LoadFromString(yamlText, resultObject);
return(resultObject);
}
public static bool LoadFromString(string yamlText, YamlObject yoResult)
{
bool bSuccess = true; string line = string.Empty, lastchar, mchar = string.Empty;
int mulindent = int.MaxValue, mulindent1 = -1, iChar, indent;
YamlObject curObject = yoResult; aliases.Clear(); Errors.Clear();
// Remove all comments out the strings
yaml = reStringsAndComments.Replace(yamlText,
delegate(Match mr) { if (mr.Value.StartsWith("#"))
{
return(string.Empty);
}
return(mr.Value); });
string[] Lines = yaml.Split('\n');
for (int i = 0; i < Lines.Length; i++)
{
line = Lines[i]; if (reComment.IsMatch(line))
{
continue;
}
indent = line.Length - line.TrimStart().Length;
line = line.Trim();
if (!curObject.Inline)
{
if (indent > mulindent) // Multiline scalar
{
if (mulindent1 < 0)
{
mulindent1 = indent; // mulindent1 - indent first line of multiline text
}
if (curObject.Value.Length > 0)
{
curObject.Value += mchar; // Skip for first line (mchar - "\r" or " ")
}
curObject.Value += line.PadLeft(line.Length + indent - mulindent1); // Padding left from indent first line
continue;
}
mulindent = int.MaxValue; mulindent1 = -1;
// Get parent by indent
while ((curObject.Parent != null) && (indent <= curObject.Indent) && (curObject != curObject.Parent))
{
curObject = curObject.Parent;
}
}
iChar = indent;
_CheckYamlValue(i, ref iChar, indent, line, ref curObject);
if (curObject != null && !curObject.Inline)
{
lastchar = (line.Length > 0) ? line.Substring(line.Length - 1) : string.Empty;
if ((lastchar == ">") || (lastchar == "|"))
{
mulindent = indent; mchar = (lastchar == ">") ? " " : "\n";
}
}
}
aliases.Clear();
return(bSuccess);
}
public static void SetTypeYamlObject(YamlObject curObject, YamlObjectType type, string errKey)
{
if (curObject.Type == YamlObjectType.Scalar)
{
curObject.Type = type;
}
else if (curObject.Type != type)
{
Errors.Add(YamlErrors.Msg(errKey, curObject.Line, curObject.Char));
}
}
private static YamlObject _AddChild(int iLine, int iChar, string name, string val, int indent,
YamlObject parent, YamlObject copyObject = null, int level = 0)
{
Match m; YamlObject childObject; string alias = string.Empty, refer = string.Empty;
m = reAlias.Match(name); if (m.Success)
{
name = m.Groups[2].Value.TrimStart();
}
m = reAlias.Match(val); if (m.Success)
{
val = m.Groups[2].Value.TrimStart(); alias = m.Groups[1].Value;
}
if (copyObject == null)
{
m = reObjectsEnds.Match(val); if (m.Success)
{
val = m.Groups[1].Value.Trim();
}
m = reQuotedString.Match(name); if (m.Success)
{
name = m.Groups[1].Value + m.Groups[2].Value;
}
else
{
name = name.Trim();
}
m = reQuotedString.Match(val); if (m.Success)
{
val = m.Groups[1].Value + m.Groups[2].Value;
}
else
{
val = val.Trim();
}
}
m = reRefer.Match(val); if (m.Success)
{
refer = m.Groups[1].Value;
}
if ((refer.Length > 0) && aliases.ContainsKey(refer))
{
copyObject = aliases[refer];
val = copyObject.Value;
}
if ((copyObject == null) || (level > 0))
{
childObject = new YamlObject(); childObject.Parent = parent;
}
else
{
childObject = parent;
}
childObject.Name = name;
childObject.Value = ReplaceScreeningSymbols(val);
childObject.Indent = indent;
childObject.Line = iLine;
childObject.Char = iChar;
childObject.Inline = parent.Inline;
if ((copyObject == null) || (level > 0))
{
parent.ChildItems.Add(childObject);
}
if (alias.Length > 0)
{
aliases[alias] = childObject;
}
if (parent != null)
{
parent.Value = string.Empty;
}
if ((copyObject != null) && (level < 30))
{
foreach (YamlObject yo in copyObject.ChildItems)
{
_AddChild(iLine, iChar, yo.Name, yo.Value, yo.Indent, childObject, yo, level + 1);
}
}
return(childObject);
}
private static void _CheckYamlValue(int iLine, ref int iChar, int indent, string sVal, ref YamlObject curObject, string sKey = "")
{
Match m; bool catched = false;
//if (sVal.Trim().Length == 0) return;
m = reTags.Match(sVal); // Tags
if (m.Success)
{
curObject.Tag = m.Groups[1].Value; sVal = m.Groups[2].Value; iChar += m.Groups[2].Index;
}
if (!catched && !curObject.Inline)
{
m = reSequenceEntry.Match(sVal); // Sequence entry
if (m.Success)
{
iChar += m.Groups[2].Index;
sVal = m.Groups[2].Value.Trim();
sKey = string.Empty;
SetTypeYamlObject(curObject, YamlObjectType.Sequence, "YE001");
curObject = _AddChild(iLine, iChar, sKey, string.Empty, indent, curObject);
indent += m.Groups[2].Index; catched = true;
}
}
if (!catched)
{
m = reBeginInlineObj.Match(sVal); // Begin inline object
if (m.Success)
{
iChar += m.Groups[2].Index;
sVal = m.Groups[2].Value;
if (curObject.Inline)
{
curObject = _AddChild(iLine, iChar, sKey, string.Empty, indent, curObject);
}
curObject.Inline = true;
curObject.Closed = false;
curObject.Type = (m.Groups[1].Value == "{") ? YamlObjectType.Mapping : YamlObjectType.Sequence;
catched = true;
if (m.Groups[1].Value == "[")
{
sKey = string.Empty;
}
if (curObject.Inline)
{
sKey = string.Empty;
}
}
}
if (!catched && curObject.Inline)
{
string line = sVal;
MatchCollection mc = reInlinePart.Matches(line); // Find inline part of values from begin to "," or "]" or "}" out of strings
foreach (Match match in mc)
{
string ch = match.Groups[3].Value;
if (ch.Length == 0)
{
continue;
}
if (!CheckCloseObjects)
{
if ((ch == "]") && (curObject.Type != YamlObjectType.Sequence))
{
continue;
}
if ((ch == "}") && (curObject.Type != YamlObjectType.Mapping))
{
continue;
}
}
sVal = (match.Index > 0) ? line.Substring(0, match.Index) : string.Empty; iChar += match.Index;
line = (line.Length > match.Groups[3].Index) ? line.Substring(match.Groups[3].Index + 1) : string.Empty;
if (sVal.Length > 0)
{
_CheckYamlValue(iLine, ref iChar, indent, sVal, ref curObject, sKey);
}
if ((ch == "]") || (ch == "}"))
{
if (ch == "]")
{
SetTypeYamlObject(curObject, YamlObjectType.Sequence, "YE101");
}
else
{
SetTypeYamlObject(curObject, YamlObjectType.Mapping, "YE102");
}
curObject.Closed = true;
curObject = curObject.Parent;
sKey = string.Empty;
}
sVal = line; catched = true; break;
}
}
if (!catched)
{
m = reKeyValuePair.Match(sVal); // Map entry
if (m.Success)
{
iChar += m.Groups[2].Index + m.Groups[4].Index + m.Groups[6].Index;
sKey = (m.Groups[1].Value + m.Groups[3].Value + m.Groups[5].Value.Trim());
sVal = m.Groups[2].Value + m.Groups[4].Value + m.Groups[6].Value;
SetTypeYamlObject(curObject, YamlObjectType.Mapping, "YE002");
if (!curObject.Inline)
{
curObject = _AddChild(iLine, iChar, sKey, sVal, indent, curObject);
}
m = reAlias.Match(sVal); if (m.Success)
{
sVal = m.Groups[2].Value.TrimStart();
}
catched = reBeginInlineObj.IsMatch(sVal);
}
}
if (catched)
{
if ((sVal + sKey).Length > 0)
{
_CheckYamlValue(iLine, ref iChar, indent, sVal, ref curObject, sKey);
}
}
else
{
if (curObject.Inline)
{
_AddChild(iLine, iChar, sKey, sVal, indent, curObject);
}
else
{
m = reObjectsEnds.Match(sVal); if (m.Success)
{
sVal = m.Groups[1].Value.Trim();
}
m = reAlias.Match(sVal); if (m.Success)
{
sVal = m.Groups[2].Value.TrimStart(); aliases[m.Groups[1].Value] = curObject;
}
m = reRefer.Match(sVal); if (m.Success)
{
sVal = m.Groups[2].Value.TrimStart();
if (aliases.ContainsKey(m.Groups[1].Value))
{
sVal = aliases[m.Groups[1].Value].Value;
_AddChild(iLine, iChar, aliases[m.Groups[1].Value].Name, sVal, indent, curObject, aliases[m.Groups[1].Value]);
}
}
m = reQuotedString.Match(sVal); if (m.Success)
{
sVal = m.Groups[1].Value + m.Groups[2].Value;
}
else
{
sVal = sVal.Trim();
}
curObject.Value = sVal;
}
}
}
