public override string ToString()
{
switch (this.type)
{
case TypeOf.Null:
return("Null"); // + " -> NULL";
case TypeOf.True:
return("true"); // + " -> bool";
case TypeOf.False:
return("false"); // + " -> bool";
case TypeOf.String:
return(this.sValue); // + " -> String";
case TypeOf.Number:
return(this.nValue.ToString()); // + " -> Number";
case TypeOf.Comment:
return("//"
+ this.representation); // + " -> Comment";
case TypeOf.Root:
return(this.ToStructure());
case TypeOf.rList:
var r = new ralyn();
r.Children = this.Children;
return(r.ToStructure());
default:
return("");
}
}
public ralyn Path(string path)
{
//Console.WriteLine($"searching {this.Tag.name} for {path}");
ralyn result = this;
var directions = path.Split(new char[] { '>' });
var count = 0;
foreach (var step in directions)
{
//Console.WriteLine($"step:{step}");
++count;
if (step == "*")
{
//create list of ralyn elements
var subresult = new ralyn();
var subresultChildren = new List <ralyn>();
foreach (var item in result.Children)
{
var newDirections = String.Join(">", directions.Skip(count).Take(directions.Length - count).ToArray());
if (item.Type != ralyn.TypeOf.Comment && String.IsNullOrEmpty(item.error))
{
var subPathReturns = item.Path(newDirections);
if (subPathReturns != null)
{
subPathReturns.Tag.name = "";
subresultChildren.Add(subPathReturns);
}
}
}
subresult.Children = subresultChildren;
return(subresult);
}
else
{
if (step.StartsWith("[") && step.EndsWith("]"))
{
int index;
bool success = Int32.TryParse(step.Trim(new char[] { '[', ']' }), out index);
if (!success)
{
//Console.WriteLine("INVALID PATH - index NaN");
return(null);
}
foreach (var item in result.Children)
{
if (index < 0)
{
//Console.WriteLine("INVALID PATH - index less than Zero");
return(null);
}
if (item.Type != ralyn.TypeOf.Comment && String.IsNullOrEmpty(item.error))
{
if (index == 0)
{
result = item;
break;
}
else
{
--index;
}
}
}
if (index > 0)
{
//Console.WriteLine("INVALID PATH - index out of range");
return(null);
}
continue;
}
var foundPath = false;
foreach (var item in result.Children)
{
//Console.WriteLine($"\titem:{item.Tag.name}");
if (item.Type == ralyn.TypeOf.Comment || !String.IsNullOrEmpty(item.error))
{
continue;
}
if (item.Tag.name == step)
{
foundPath = true;
result = item;
break;
}
}
if (!foundPath)
{
//Console.WriteLine($"INVALID PATH - could not find {step}");
return(null);
}
}
}
return(result);
}
private static List <ralyn> Lex(string code)
{
//setup vars
var rObj = new List <ralyn>();
string line;
using (var _code = new System.IO.StringReader(code))
{
#region vars
var accumulator = new StringBuilder();
var stringBeginSequence = "";
var stringEndSequence = "";
var currentTypeOf = ralyn.TypeOf.Undetermined;
var currentValue = new ralyn();
var ids = new List <string>();
var nestLevel = 0;
var isComment = false;
#endregion vars
while (_code.Peek() > -1)
{
line = _code.ReadLine();//.Trim();
++currentValue.LineNumber;
currentValue.CharNumber = -1;
if (accumulator.Length > 0)
{
accumulator.AppendLine("");
}
foreach (char c in line)
{
++currentValue.CharNumber;
if (currentTypeOf == ralyn.TypeOf.Undetermined && (
c == ':' ||
c == ' '))
{
continue;
}
accumulator.Append(c);
//Console.WriteLine(lineNum.ToString() + ":" + charNum.ToString() + " " + accumulator.ToString() + "->" + currentTypeOf.ToString());
if (currentTypeOf == ralyn.TypeOf.Undetermined)
{
currentTypeOf = ralyn.looksLike(accumulator.ToString());
}
if (currentTypeOf == ralyn.TypeOf.Undetermined)
{
continue;
}
//OK, we think we know what we are dealing with
switch (currentTypeOf)
{
#region simple value lexing
case ralyn.TypeOf.Null:
currentValue.Value = "null";
rObj.Add(currentValue);
//reset
accumulator.Length = 0;
currentTypeOf = ralyn.TypeOf.Undetermined;
currentValue = new ralyn();
break;
case ralyn.TypeOf.True:
currentValue.Value = "true";
rObj.Add(currentValue);
//reset
accumulator.Length = 0;
currentTypeOf = ralyn.TypeOf.Undetermined;
currentValue = new ralyn();
break;
case ralyn.TypeOf.False:
currentValue.Value = "false";
rObj.Add(currentValue);
//reset
accumulator.Length = 0;
currentTypeOf = ralyn.TypeOf.Undetermined;
currentValue = new ralyn();
break;
case ralyn.TypeOf.Tag:
//end condition is >:
if (c == '>')
{
currentValue.Tag = new ralyn.ralynTag(accumulator.ToString());
if (currentValue.Tag.name.Contains('*') ||
currentValue.Tag.name.Contains('[') ||
currentValue.Tag.name.Contains(']') ||
currentValue.Tag.name.Contains('.') ||
currentValue.Tag.name.Contains('<') ||
currentValue.Tag.name.Contains('-') ||
currentValue.Tag.name.Contains('!') ||
currentValue.Tag.name.Contains('@') ||
currentValue.Tag.name.Contains('#') ||
currentValue.Tag.name.Contains('$')
)
{
currentValue.error = $"Tag name <{currentValue.Tag.name}> contains illegal characters: ['*', '[', ']', '.', '<', '-', '!', '@', '#', '$']";
}
if (ids.Contains(currentValue.Tag.name))
{
//this tag name already exists at this level... trigger error
currentValue.error = $"Tag name <{currentValue.Tag.name}> appears multiple times";
}
else
{
ids.Add(currentValue.Tag.name);
}
//reset -- sort of
accumulator.Length = 0;
currentTypeOf = ralyn.TypeOf.Undetermined;
//currentValue = new ralynValue(); //DON'T REST THE ENTIRE VALUE!
}
break;
case ralyn.TypeOf.Number:
#region Number lexing
//keep accumulating until encouter , or ;
if (c == ',' || c == ';' || c == ' ' || currentValue.CharNumber == line.Length - 1)
{
if (c == ',' || c == ';' || c == ' ')
{
accumulator.Length--; //nerf delimiter
}
if (accumulator[0] == ':')
{
currentValue.Value = accumulator.ToString().Substring(1);
}
else
{
currentValue.Value = accumulator.ToString();
}
rObj.Add(currentValue);
//reset
accumulator.Length = 0;
currentTypeOf = ralyn.TypeOf.Undetermined;
currentValue = new ralyn();
}
#endregion Number lexing
break;
case ralyn.TypeOf.String:
#region String lexing
#region String boundary conditions
var test = accumulator.ToString().Trim().TrimStart(new char[] { ':', ' ', '\t' });
if (stringBeginSequence == "" &&
test.Length > 0 &&
test[0] == '"')
{
stringBeginSequence = "\"";
stringEndSequence = "\"";
}
else if (stringBeginSequence == "" &&
test.Length > 0 &&
test[0] == '\'')
{
stringBeginSequence = "\'";
stringEndSequence = "\'";
}
else if (stringBeginSequence == "" &&
test.Length > 2 &&
test[0] == '$' &&
test[1] == '(')
{
stringBeginSequence = "$(" + test[2].ToString();
stringEndSequence = test[2].ToString() + ")";
}
#endregion String boundary conditions
//accumulate until encounter string end condition
if (test.Length >= 2 &&
stringEndSequence != "" &&
test.ToString().EndsWith(stringEndSequence) &&
!test.ToString().EndsWith("\\" + stringEndSequence)
)
{
currentValue.Value = test.ToString();
rObj.Add(currentValue);
//reset
accumulator.Length = 0;
currentTypeOf = ralyn.TypeOf.Undetermined;
currentValue = new ralyn();
stringBeginSequence = "";
stringEndSequence = "";
}
#endregion String lexing
break;
#endregion simple value lexing
case ralyn.TypeOf.Comment:
isComment = true;
accumulator.Length = 0;
currentTypeOf = ralyn.TypeOf.Undetermined;
break;
case ralyn.TypeOf.rList:
if (c == '{')
{
++nestLevel;
}
if (c == '}')
{
--nestLevel;
}
if (nestLevel == 0)
{
if (!isComment)
{
//currentValue.Value = Lex(accumulator.ToString().Trim(new char[] { '{', '}' }));
currentValue.Children = Lex(accumulator.ToString().Trim(new char[] { '{', '}' }));
rObj.Add(currentValue);
}
else
{
//currentValue.Type = ralynValue.TypeOf.Comment;
currentValue.Value = "//" + accumulator.ToString();
rObj.Add(currentValue);
}
//reset
accumulator.Length = 0;
currentTypeOf = ralyn.TypeOf.Undetermined;
currentValue = new ralyn();
isComment = false;
}
break;
case ralyn.TypeOf.ControlCharacter:
//ignore for now
//reset
accumulator.Length = 0;
currentTypeOf = ralyn.TypeOf.Undetermined;
currentValue = new ralyn();
break;
default:
break;
}
}
}
}
//check for mixed mode
var mode = "";
foreach (var r in rObj)
{
if (r.Type == ralyn.TypeOf.Comment)
{
continue;
}
var tagCheck = false;
var noTagCheck = false;
if (String.IsNullOrEmpty(r.Tag.name))
{
noTagCheck = true;
if (mode == "")
{
mode = "non-associative";
}
}
else
{
tagCheck = true;
if (mode == "")
{
mode = "associative";
}
}
if (tagCheck && mode == "non-associative")
{
r.error = "unexpected tag in non-associative object";
}
if (noTagCheck && mode == "associative")
{
r.error = "missing tag in associative object";
}
}
return(rObj);
}
//UI
static void Main(string[] args)
{
var exit = false;
var fileName = @"..\..\TestCode.ralyn";
while (!exit)
{
Console.Clear();
Console.WriteLine("ralyn Builder");
Console.WriteLine($" 1. Select File (current file->{fileName})");
Console.WriteLine(" 2. Format RALYN");
Console.WriteLine(" 3. Transpile to JSON");
Console.WriteLine(" 4. Transpile to XML");
Console.WriteLine(" 5. Path");
Console.WriteLine(" 0. Exit");
var key = Console.ReadKey();
string codeFromFile = System.IO.File.ReadAllText(fileName);
ralyn ralynDoc = new ralyn();
switch (key.KeyChar)
{
case '1':
Console.WriteLine();
Console.WriteLine("Enter new file path");
var tempFile = Console.ReadLine();
var fi = new System.IO.FileInfo(tempFile);
if (fi.Exists)
{
fileName = tempFile;
}
else
{
Console.WriteLine($"Could not locate {tempFile}, reverting to {fileName}");
Console.WriteLine("press any key to continue...");
Console.ReadKey();
}
break;
case '2':
//Format RALYN
Console.WriteLine();
ralynDoc = new ralyn(codeFromFile);
Console.WriteLine(ralynDoc);
Console.WriteLine("press any key to continue...");
Console.ReadKey();
break;
case '3':
//Transpile to JSON
Console.WriteLine();
ralynDoc = new ralyn(codeFromFile);
Console.WriteLine(ralynDoc.ToJSON());
Console.WriteLine("press any key to continue...");
Console.ReadKey();
break;
case '4':
//Transpile to XML
Console.WriteLine();
ralynDoc = new ralyn(codeFromFile);
Console.WriteLine(ralynDoc.ToXML());
Console.WriteLine("press any key to continue...");
Console.ReadKey();
break;
case '5':
//Path
Console.WriteLine();
Console.WriteLine("Enter path... something like ralyn>record-1>a");
var path = Console.ReadLine();
ralynDoc = new ralyn(codeFromFile);
Console.WriteLine(ralynDoc.Path(path));
Console.WriteLine("press any key to continue...");
Console.ReadKey();
break;
case '0':
exit = true;
break;
default:
break;
}
}
}