public MathObjectFactory(string text)
{
foreach (var item in Config.Instance.IgnoreCommands)
{
text = text.Replace(item, "", StringComparison.Ordinal);
}
_source = text.ToTokenString();
}
private MathSequence(MathToken token)
{
List = new ReadOnlyCollection <MathObject>(new[] { token });
Main = token.ToTokenString();
Separator = "";
_toTokenString = Main;
_toString = _toTokenString.ToString();
OriginalText = token.OriginalText;
}
public MathSequence(MathToken token, Token leftBracket, Token rightBracket)
: this(token)
{
LeftBracket = leftBracket;
RightBracket = rightBracket;
_toTokenString = ConstructorHelperBracket(leftBracket, Main, rightBracket);
_toString = _toTokenString.ToString();
OriginalText = _toTokenString.ToOriginalString().Trim();
}
/// <summary>
/// 通常のコンストラクタ
/// </summary>
/// <param name="list">MathObjectを構成するMathObject列</param>
public MathSequence(IList <MathObject> list, string separator = "", string originalText = "")
{
List = new ReadOnlyCollection <MathObject>(list);
Separator = separator;
Main = CreateMainTokenString(List, separator);
_toTokenString = Main;
_toString = Main.ToString();
OriginalText = originalText.IsNullOrEmpty() ? Main.ToOriginalString().Trim() : originalText.Trim();
}
private TokenString ConstructorHelperBracket(Token left, TokenString main, Token right)
{
var list = new List <Token>();
list.Add(left);
list.AddRange(main.Tokens);
list.Add(right);
return(list.ToTokenString());
}
private TokenString CreateMainTokenString(ReadOnlyCollection <MathObject> list, string separator)
{
if (List.Count == 0)
{
return(TokenString.Empty);
}
else
{
return(TokenString.Join(separator, list.Select(x => x.ToTokenString())));
}
}
public TokenString ToTokenString()
{
if (this.IsEmpty)
{
return(TokenString.Empty);
}
else
{
return(TokenString.Create(this));
}
}
private MathSequence(MathSequence seq)
{
List = seq.List;
LeftBracket = seq.LeftBracket;
RightBracket = seq.RightBracket;
Main = seq.Main;
Separator = seq.Separator;
Sub = seq.Sub;
Sup = seq.Sup;
_supFirst = seq._supFirst;
_toTokenString = seq._toTokenString;
_toString = seq._toString;
OriginalText = seq.OriginalText;
}
public MathSequence(MathToken token, Token supOrSub, Token left, MathObject math, Token right)
: this(token)
{
if (supOrSub.Value == "^")
{
Sup = math;
_supFirst = true;
}
else
{
Sub = math;
}
_toTokenString = ConstructorHelperSupSub(_toTokenString, supOrSub, left, math.ToTokenString(), right);
_toString = _toTokenString.ToString();
OriginalText = _toTokenString.ToOriginalString().Trim();
}
private MathSequence(MathSequence seq, Token supOrSub, Token left, MathObject math, Token right)
: this(seq)
{
if (supOrSub.Value == "^")
{
Sup = math;
if (Sub == null)
{
_supFirst = true;
}
}
else
{
Sub = math;
}
_toTokenString = ConstructorHelperSupSub(_toTokenString, supOrSub, left, math.ToTokenString(), right);
_toString = _toTokenString.ToString();
OriginalText = _toTokenString.ToOriginalString().Trim();
}
private MathSequence(MathSequence seq, IList <MathObject> list, MathObject?sup, MathObject?sub)
: this(seq)
{
if (list.Count == 0)
{
throw new InvalidOperationException($"{nameof(list)}が空です。");
}
List = new ReadOnlyCollection <MathObject>(list);
Main = CreateMainTokenString(List, seq.Separator);
_toTokenString = ConstructorHelperBracket(seq.LeftBracket, Main, seq.RightBracket);
Sup = sup;
Sub = sub;
if (seq._supFirst)
{
if (sup != null)
{
_toTokenString = ConstructorHelperSupSub(_toTokenString, Token.Circumflex, sup.ToTokenString());
}
if (sub != null)
{
_toTokenString = ConstructorHelperSupSub(_toTokenString, Token.LowLine, sub.ToTokenString());
}
}
else
{
if (sub != null)
{
_toTokenString = ConstructorHelperSupSub(_toTokenString, Token.LowLine, sub.ToTokenString());
}
if (sup != null)
{
_toTokenString = ConstructorHelperSupSub(_toTokenString, Token.Circumflex, sup.ToTokenString());
}
}
_toString = _toTokenString.ToString();
OriginalText = _toTokenString.ToOriginalString().Trim();
}
public TokenString Add(TokenString other)
{
if (other.Tokens.Count == 0)
{
return(this);
}
var otherOrigins = other.Tokens.Select(x => x.Origin).ToArray();
if (this.Tokens.Count > 0)
{
otherOrigins[0] = ' ' + otherOrigins[0];
}
var tokens = this._values.Concat(other._values).Zip(
this.Tokens.Select(x => x.Origin).Concat(otherOrigins),
(x, y) => new Token(x, y)
).ToArray();
return(tokens.ToTokenString());
}
private TokenString ConstructorHelperSupSub(TokenString main, Token supOrSub, TokenString inBracket)
{
return(this.ConstructorHelperSupSub(main, supOrSub, Token.LeftCurlyBracket, inBracket, Token.RightCurlyBracket));
}
public static TokenString Create(Token token)
{
return(TokenString.Create(new[] { token }));
}
public MathObjectFactory(TokenString text)
{
_source = text;
}
/// <summary>
/// Tokenのリストをトークン列にします。
/// </summary>
/// <param name="list">Tokenのリスト</param>
/// <returns></returns>
public static TokenString ToTokenString(this IList <Token> tokens)
{
return(TokenString.Create(tokens));
}
public MathToken(Token token)
{
Main = TokenString.Create(token);
OriginalText = token.Origin.Trim();
}