private static bool IsValidStringLexem(LexemV8 lexemV8)
{
if (lexemV8 == null)
{
return(true);
}
return(lexemV8.DoubleQuoteCount % 2 == 0);
}
private static bool IsValidStringLexem(LexemV8 lexemV8)
{
if (lexemV8 == null)
{
return true;
}
return lexemV8.DoubleQuoteCount % 2 == 0;
}
public static LexemV8 Parse(string data)
{
if (String.IsNullOrEmpty(data))
{
return(null);
}
Stack <LexemV8> _lexemStack = new Stack <LexemV8>();
LexemV8 lexemV8 = null;
for (int i = 0; i < data.Length; i++)
{
char ch = data[i];
if (ch == StartLexem &&
IsValidStringLexem(lexemV8))
{
LexemV8 braceLexemV8 = new LexemV8 {
LexemType = LexemV8Type.Brace
};
if (_lexemStack.Count > 0)
{
LexemV8 parentBrace = _lexemStack.Peek();
parentBrace.AddChild(braceLexemV8);
}
_lexemStack.Push(braceLexemV8);
}
else if (ch == DelimiterLexem &&
IsValidStringLexem(lexemV8))
{
LexemV8 parentBrace = _lexemStack.Peek();
parentBrace.AddChild(lexemV8);
lexemV8 = null;
}
else if (ch == EndLexem &&
IsValidStringLexem(lexemV8))
{
LexemV8 parentBrace = _lexemStack.Pop();
parentBrace.AddChild(lexemV8);
if (_lexemStack.Count == 0)
{
lexemV8 = parentBrace;
}
else
{
lexemV8 = null;
}
}
else if (NeedAddChar(lexemV8, ch))
{
if (lexemV8 == null)
{
lexemV8 = new LexemV8();
}
lexemV8.AddChar(ch);
}
}
return(lexemV8);
}
private static bool NeedAddChar(LexemV8 lexemV8, char ch)
{
if (lexemV8 == null)
{
return(!Char.IsWhiteSpace(ch));
}
else
{
return(true);
}
}
private static bool NeedAddChar(LexemV8 lexemV8, char ch)
{
if (lexemV8 == null)
{
return !Char.IsWhiteSpace(ch);
}
else
{
return true;
}
}
public static LexemV8 Parse(string data)
{
if (String.IsNullOrEmpty(data))
{
return null;
}
Stack<LexemV8> _lexemStack = new Stack<LexemV8>();
LexemV8 lexemV8 = null;
for (int i = 0; i < data.Length; i++)
{
char ch = data[i];
if (ch == StartLexem
&& IsValidStringLexem(lexemV8))
{
LexemV8 braceLexemV8 = new LexemV8 { LexemType = LexemV8Type.Brace };
if (_lexemStack.Count > 0)
{
LexemV8 parentBrace = _lexemStack.Peek();
parentBrace.AddChild(braceLexemV8);
}
_lexemStack.Push(braceLexemV8);
}
else if (ch == DelimiterLexem
&& IsValidStringLexem(lexemV8))
{
LexemV8 parentBrace = _lexemStack.Peek();
parentBrace.AddChild(lexemV8);
lexemV8 = null;
}
else if(ch == EndLexem
&& IsValidStringLexem(lexemV8))
{
LexemV8 parentBrace = _lexemStack.Pop();
parentBrace.AddChild(lexemV8);
if (_lexemStack.Count == 0)
{
lexemV8 = parentBrace;
}
else
{
lexemV8 = null;
}
}
else if (NeedAddChar(lexemV8, ch))
{
if (lexemV8 == null)
{
lexemV8 = new LexemV8();
}
lexemV8.AddChar(ch);
}
}
return lexemV8;
}
public void AddChild(LexemV8 child)
{
if (child == null)
{
return;
}
if (_childLexemList == null)
{
_childLexemList = new List<LexemV8>();
}
_childLexemList.Add(child);
child.Parent = this;
}
public void AddChild(LexemV8 child)
{
if (child == null)
{
return;
}
if (_childLexemList == null)
{
_childLexemList = new List <LexemV8>();
}
_childLexemList.Add(child);
child.Parent = this;
}
internal bool TryParseValueFromV8String(Session session, LexemV8 lexem, out object value)
{
value = null;
if (!IsPrimitiveType
|| lexem == null
|| lexem.LexemType != LexemV8Type.Brace
|| lexem.ChildLexemList == null
|| lexem.ChildLexemList.Count != 2)
{
return false;
}
string dataValue = lexem.ChildLexemList[1].Data.Trim();
switch (Type)
{
case TypeEnum.Boolean:
value = !(dataValue == "0");
return true;
case TypeEnum.Date:
DateTime dt;
if (DateTime.TryParseExact(dataValue, "yyyyMMddHHmmss", CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.None, out dt))
{
value = dt;
return true;
}
break;
case TypeEnum.String:
if (dataValue.StartsWith("\""))
{
dataValue = dataValue.Remove(0, 1);
}
if (dataValue.EndsWith("\""))
{
dataValue = dataValue.Remove(dataValue.Length-1, 1);
}
value = dataValue;
return true;
case TypeEnum.Decimal:
decimal dc;
if (decimal.TryParse(dataValue, NumberStyles.Number, CultureInfo.InvariantCulture, out dc))
{
value = dc;
return true;
}
break;
}
return false;
}
