Class TokenizerContext

Responsible for handling tokens during the tokenizing process.

Inheritance

System.Object

TokenizerContext

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: OfficeOpenXml.FormulaParsing.LexicalAnalysis

Assembly: EPPlus.dll

Syntax

public class TokenizerContext

Constructors

TokenizerContext(String, String, ITokenFactory)

Constructor

Declaration

public TokenizerContext(string formula, string worksheet, ITokenFactory tokenFactory)

Parameters

Type	Name	Description
System.String	formula	The formula to tokenize
System.String	worksheet	Worksheet name, if applicable
ITokenFactory	tokenFactory	A ITokenFactory instance

Properties

CurrentToken

Returns the current

Declaration

public string CurrentToken { get; }

Property Value

Type	Description
System.String

CurrentTokenHasValue

Declaration

public bool CurrentTokenHasValue { get; }

Property Value

Type	Description
System.Boolean

FormulaChars

The formula split into a character array

Declaration

public char[] FormulaChars { get; }

Property Value

Type	Description
System.Char[]

IsInSheetName

Returns true if the current position is inside a sheetname, otherwise false.

Declaration

public bool IsInSheetName { get; }

Property Value

Type	Description
System.Boolean

IsInString

Returns true if the current position is inside a string, otherwise false.

Declaration

public bool IsInString { get; }

Property Value

Type	Description
System.Boolean

LastToken

Returns the last token of the result, if empty null/default(Token?) will be returned.

Declaration

public Token? LastToken { get; }

Property Value

Type	Description
System.Nullable<Token>

Result

The tokens created

Declaration

public IList<Token> Result { get; }

Property Value

Type	Description
System.Collections.Generic.IList<Token>

Methods

AddToken(Token)

Declaration

public void AddToken(Token token)

Parameters

Type	Name	Description
Token	token

AppendToCurrentToken(Char)

Declaration

public void AppendToCurrentToken(char c)

Parameters

Type	Name	Description
System.Char	c

AppendToLastToken(String)

Declaration

public void AppendToLastToken(string stringToAppend)

Parameters

Type	Name	Description
System.String	stringToAppend

ChangeTokenType(TokenType, Int32)

Changes TokenType of the current token.

Declaration

public void ChangeTokenType(TokenType tokenType, int index)

Parameters

Type	Name	Description
TokenType	tokenType	The new TokenType
System.Int32	index	Index of the token to change

ChangeValue(String, Int32)

Changes the value of the current token

Declaration

public void ChangeValue(string val, int index)

Parameters

Type	Name	Description
System.String	val
System.Int32	index	Index of the token to change

CreateHandler()

Declaration

public TokenHandler CreateHandler()

Returns

Type	Description
TokenHandler

GetNextTokenAfterIndex(Int32)

Returns the token after the requested index

Declaration

public Token GetNextTokenAfterIndex(int index)

Parameters

Type	Name	Description
System.Int32	index	The requested index

Returns

Type	Description
Token	The Token at the requested position

GetTokenBeforeIndex(Int32)

Returns the token before the requested index

Declaration

public Token GetTokenBeforeIndex(int index)

Parameters

Type	Name	Description
System.Int32	index	The requested index

Returns

Type	Description
Token	The Token at the requested position

NewToken()

Declaration

public void NewToken()

PostProcess()

Declaration

public void PostProcess()

RemoveAt(Int32)

Removes the token at the requested Token

Declaration

public void RemoveAt(int index)

Parameters

Type	Name	Description
System.Int32	index	0-based index of the requested position

Replace(Int32, Token)

Replaces a token at the requested index

Declaration

public void Replace(int index, Token newValue)

Parameters

Type	Name	Description
System.Int32	index	0-based index of the requested position
Token	newValue	The new Token

ReplaceLastToken(Token)

Replaces the last token of the result with the newToken

Declaration

public void ReplaceLastToken(Token newToken)

Parameters

Type	Name	Description
Token	newToken	The new token

SetLastTokenType(TokenType)

Changes the TokenType of the last token in the result.

Declaration

public void SetLastTokenType(TokenType type)

Parameters

Type	Name	Description
TokenType	type

ToggleIsInSheetName()

Toggles the IsInSheetName state

Declaration

public void ToggleIsInSheetName()

ToggleIsInString()

Toggles the IsInString state.

Declaration

public void ToggleIsInString()