Scanner (Apache Batik Javadoc)

java.lang.Object
- org.apache.batik.css.parser.Scanner

```
public class Scanner
extends java.lang.Object
```
This class represents a CSS scanner - an object which decodes CSS lexical units.

Field Summary

Fields
Modifier and Type	Field	Description
`protected int`	`blankCharacters`	The characters to skip to create the string which represents the current token.
`protected char[]`	`buffer`	The recording buffer.
`protected int`	`current`	The current char.
`protected int`	`end`	The end offset of the last lexical unit.
`protected int`	`position`	The current position in the buffer.
`protected NormalizingReader`	`reader`	The reader.
`protected int`	`start`	The start offset of the last lexical unit.
`protected int`	`type`	The type of the current lexical unit.

Constructor Summary

Constructors
Constructor	Description
`Scanner(java.io.InputStream is, java.lang.String enc)`	Creates a new Scanner object.
`Scanner(java.io.Reader r)`	Creates a new Scanner object.
`Scanner(java.lang.String s)`	Creates a new Scanner object.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`clearBuffer()`	Clears the buffer.
`void`	`close()`	Closes the underlying stream used by the scanner.
`protected int`	`dotNumber()`	Scans the decimal part of a number.
`protected int`	`endGap()`	Returns the end gap of the current lexical unit.
`protected void`	`escape()`	Scans an escape sequence, if one.
`char[]`	`getBuffer()`	Returns the buffer used to store the chars.
`int`	`getColumn()`	Returns the current column.
`int`	`getEnd()`	Returns the end offset of the last lexical unit.
`int`	`getLine()`	Returns the current line.
`int`	`getStart()`	Returns the start offset of the last lexical unit.
`java.lang.String`	`getStringValue()`	Returns the string representation of the current lexical unit.
`int`	`getType()`	The current lexical unit type like defined in LexicalUnits.
`protected static boolean`	`isEqualIgnoreCase(int i, char c)`	Compares the given int with the given character, ignoring case.
`int`	`next()`	Returns the next token.
`protected int`	`nextChar()`	Sets the value of the current char to the next character or -1 if the end of stream has been reached.
`protected void`	`nextToken()`	Returns the next token.
`protected int`	`number()`	Scans a number.
`protected int`	`numberUnit(boolean integer)`	Scans the unit of a number.
`void`	`scanAtRule()`	Scans a @rule value.
`protected int`	`string1()`	Scans a single quoted string.
`protected int`	`string2()`	Scans a double quoted string.

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

- Field Detail
  - reader
```
protected NormalizingReader reader
```
    The reader.
  - current
```
protected int current
```
    The current char.
  - buffer
```
protected char[] buffer
```
    The recording buffer.
  - position
```
protected int position
```
    The current position in the buffer.
  - type
```
protected int type
```
    The type of the current lexical unit.
  - start
```
protected int start
```
    The start offset of the last lexical unit.
  - end
```
protected int end
```
    The end offset of the last lexical unit.
  - blankCharacters
```
protected int blankCharacters
```
    The characters to skip to create the string which represents the current token.
- Constructor Detail
  - Scanner
```
public Scanner(java.io.Reader r)
        throws ParseException
```
    Creates a new Scanner object.
    
    Parameters:
    
    r - The reader to scan.
    
    Throws:
    
    ParseException
  - Scanner
```
public Scanner(java.io.InputStream is,
               java.lang.String enc)
        throws ParseException
```
    Creates a new Scanner object.
    
    Parameters:
    
    is - The input stream to scan.
    
    enc - The encoding to use to decode the input stream, or null.
    
    Throws:
    
    ParseException
  - Scanner
```
public Scanner(java.lang.String s)
        throws ParseException
```
    Creates a new Scanner object.
    
    Parameters:
    
    s - The string to scan.
    
    Throws:
    
    ParseException
- Method Detail
  - getLine
```
public int getLine()
```
    Returns the current line.
  - getColumn
```
public int getColumn()
```
    Returns the current column.
  - getBuffer
```
public char[] getBuffer()
```
    Returns the buffer used to store the chars.
  - getStart
```
public int getStart()
```
    Returns the start offset of the last lexical unit.
  - getEnd
```
public int getEnd()
```
    Returns the end offset of the last lexical unit.
  - clearBuffer
```
public void clearBuffer()
```
    Clears the buffer.
  - getType
```
public int getType()
```
    The current lexical unit type like defined in LexicalUnits.
  - getStringValue
```
public java.lang.String getStringValue()
```
    Returns the string representation of the current lexical unit.
  - scanAtRule
```
public void scanAtRule()
                throws ParseException
```
    Scans a @rule value. This method assumes that the current lexical unit is a at keyword.
    
    Throws:
    
    ParseException
  - next
```
public int next()
         throws ParseException
```
    Returns the next token.
    
    Throws:
    
    ParseException
  - close
```
public void close()
```
    Closes the underlying stream used by the scanner.
  - endGap
```
protected int endGap()
```
    Returns the end gap of the current lexical unit.
  - nextToken
```
protected void nextToken()
                  throws ParseException
```
    Returns the next token.
    
    Throws:
    
    ParseException
  - string1
```
protected int string1()
               throws java.io.IOException
```
    Scans a single quoted string.
    
    Throws:
    
    java.io.IOException
  - string2
```
protected int string2()
               throws java.io.IOException
```
    Scans a double quoted string.
    
    Throws:
    
    java.io.IOException
  - number
```
protected int number()
              throws java.io.IOException
```
    Scans a number.
    
    Throws:
    
    java.io.IOException
  - dotNumber
```
protected int dotNumber()
                 throws java.io.IOException
```
    Scans the decimal part of a number.
    
    Throws:
    
    java.io.IOException
  - numberUnit
```
protected int numberUnit(boolean integer)
                  throws java.io.IOException
```
    Scans the unit of a number.
    
    Throws:
    
    java.io.IOException
  - escape
```
protected void escape()
               throws java.io.IOException
```
    Scans an escape sequence, if one.
    
    Throws:
    
    java.io.IOException
  - isEqualIgnoreCase
```
protected static boolean isEqualIgnoreCase(int i,
                                           char c)
```
    Compares the given int with the given character, ignoring case.
  - nextChar
```
protected int nextChar()
                throws java.io.IOException
```
    Sets the value of the current char to the next character or -1 if the end of stream has been reached.
    
    Throws:
    
    java.io.IOException

Class Scanner

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

reader

current

buffer

position

type

start

end

blankCharacters

Constructor Detail

Scanner

Scanner

Scanner

Method Detail

getLine

getColumn

getBuffer

getStart

getEnd

clearBuffer

getType

getStringValue

scanAtRule

next

close

endGap

nextToken

string1

string2

number

dotNumber

numberUnit

escape

isEqualIgnoreCase

nextChar