Scanner (Bliki (Core) 3.1.1-SNAPSHOT-20170407 API)

java.lang.Object
- info.bliki.wiki.template.expr.Scanner

Direct Known Subclasses:

Parser
```
public class Scanner
extends Object
```
Determine the tokens from a math formulas string representation. See Lexical analysis.

Field Summary

Fields
Modifier and Type	Field and Description
`protected char`	`fCurrentChar` Current input character
`protected int`	`fCurrentColumnStartPosition` Column counter for syntax errors
`protected int`	`fCurrentPosition` The position of the current character in the input string
`protected IParserFactory`	`fFactory`
`protected String`	`fInputString` Current parser input string
`protected String`	`fOperatorString` The last determined operator string
`protected List<Operator>`	`fOperList` protected List fOperList;
`protected int`	`fToken` Current input token
`protected int`	`numFormat`
`protected int`	`rowCount` Row counter for syntax errors.
`static int`	`TT_CONSTANT` Token type: constant found in input string
`static int`	`TT_DIGIT` Token type: digit 0,1,2,3,4,5,6,7,8,9
`static int`	`TT_EOF` Token type: End-of_File
`static int`	`TT_FLOATING_POINT` Token type: floating point number
`static int`	`TT_OPERATOR` Token type: operator found in input string
`static int`	`TT_PRECEDENCE_CLOSE` Token type: closing bracket ')' for sub-formulas with higher precedence
`static int`	`TT_PRECEDENCE_OPEN` Token type: opening bracket '(' for sub-formulas with higher precedence

Constructor Summary

Constructors
Constructor and Description

Scanner()
Initialize Scanner without a math-expression

Constructors
Constructor and Description
`Scanner()` Initialize Scanner without a math-expression

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`protected String`	`getIdentifier()`
`protected void`	`getNextToken()` Get the next token from the input string
`protected Object[]`	`getNumberString()`
`protected List<Operator>`	`getOperator()`
`protected StringBuffer`	`getStringBuffer()`
`protected void`	`initialize(String s)`
`protected void`	`throwSyntaxError(String error)`
`protected void`	`throwSyntaxError(String error, int errorLength)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - fInputString
```
protected String fInputString
```
    Current parser input string
  - fCurrentChar
```
protected char fCurrentChar
```
    Current input character
  - fCurrentPosition
```
protected int fCurrentPosition
```
    The position of the current character in the input string
  - fToken
```
protected int fToken
```
    Current input token
  - fOperatorString
```
protected String fOperatorString
```
    The last determined operator string
  - fOperList
```
protected List<Operator> fOperList
```
    protected List fOperList;
  - rowCount
```
protected int rowCount
```
    Row counter for syntax errors.
  - fCurrentColumnStartPosition
```
protected int fCurrentColumnStartPosition
```
    Column counter for syntax errors
  - TT_EOF
```
public static final int TT_EOF
```
    Token type: End-of_File
    
    See Also:
    
    Constant Field Values
  - TT_FLOATING_POINT
```
public static final int TT_FLOATING_POINT
```
    Token type: floating point number
    
    See Also:
    
    Constant Field Values
  - TT_PRECEDENCE_OPEN
```
public static final int TT_PRECEDENCE_OPEN
```
    Token type: opening bracket '(' for sub-formulas with higher precedence
    
    See Also:
    
    Constant Field Values
  - TT_PRECEDENCE_CLOSE
```
public static final int TT_PRECEDENCE_CLOSE
```
    Token type: closing bracket ')' for sub-formulas with higher precedence
    
    See Also:
    
    Constant Field Values
  - TT_CONSTANT
```
public static final int TT_CONSTANT
```
    Token type: constant found in input string
    
    See Also:
    
    Constant Field Values
  - TT_OPERATOR
```
public static final int TT_OPERATOR
```
    Token type: operator found in input string
    
    See Also:
    
    Constant Field Values
  - TT_DIGIT
```
public static final int TT_DIGIT
```
    Token type: digit 0,1,2,3,4,5,6,7,8,9
    
    See Also:
    
    Constant Field Values
  - numFormat
```
protected int numFormat
```
  - fFactory
```
protected IParserFactory fFactory
```
- Constructor Detail
  - Scanner
```
public Scanner()
```
    Initialize Scanner without a math-expression
- Method Detail
  - initialize
```
protected void initialize(String s)
                   throws SyntaxError
```
    Throws:
    
    SyntaxError
  - getOperator
```
protected List<Operator> getOperator()
```
  - getNextToken
```
protected void getNextToken()
                     throws SyntaxError
```
    Get the next token from the input string
    
    Throws:
    
    SyntaxError
  - throwSyntaxError
```
protected void throwSyntaxError(String error)
                         throws SyntaxError
```
    Throws:
    
    SyntaxError
  - throwSyntaxError
```
protected void throwSyntaxError(String error,
                                int errorLength)
                         throws SyntaxError
```
    Throws:
    
    SyntaxError
  - getIdentifier
```
protected String getIdentifier()
```
  - getNumberString
```
protected Object[] getNumberString()
```
  - getStringBuffer
```
protected StringBuffer getStringBuffer()
                                throws SyntaxError
```
    Throws:
    
    SyntaxError

Class Scanner

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

fInputString

fCurrentChar

fCurrentPosition

fToken

fOperatorString

fOperList

rowCount

fCurrentColumnStartPosition

TT_EOF

TT_FLOATING_POINT

TT_PRECEDENCE_OPEN

TT_PRECEDENCE_CLOSE

TT_CONSTANT

TT_OPERATOR

TT_DIGIT

numFormat

fFactory

Constructor Detail

Scanner

Method Detail

initialize

getOperator

getNextToken

throwSyntaxError

throwSyntaxError

getIdentifier

getNumberString

getStringBuffer