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## org.apache.batik.xml
Class XMLScanner

    java.lang.Object
      org.apache.batik.xml.XMLScanner

All Implemented Interfaces:
  Localizable

public class XMLScanner
extends java.lang.Object
implements Localizable

This class represents a scanner for XML documents.

Field Summary
`static int` | `ATTLIST_CONTEXT` The ATTLIST context.
`protected char` | `attrDelimiter` The last attribute delimiter encountered.
`static int` | `ATTRIBUTE_VALUE_CONTEXT` The attribute value context.
`protected char[]` | `buffer` The recording buffer.
`protected static java.lang.String` | `BUNDLE_CLASSNAME` The default resource bundle base name.
`static int` | `CDATA_SECTION_CONTEXT` The CDATA section context.
`protected boolean` | `cdataEndRead` A CDATA section end is the next token
`static int` | `CONTENT_CONTEXT` The content context.
`protected int` | `context` The current scanning context.
`protected int` | `current` The current char.
`protected int` | `depth` The depth in the xml tree.
`static int` | `DOCTYPE_CONTEXT` The doctype context.
`static int` | `DOCUMENT_START_CONTEXT` The document start context.
`static int` | `DTD_DECLARATIONS_CONTEXT` The DTD declarations context.
`static int` | `ELEMENT_DECLARATION_CONTEXT` The element declaration context.
`protected int` | `end` The end offset of the last lexical unit.
`static int` | `END_TAG_CONTEXT` The end tag context.
`static int` | `ENTITY_CONTEXT` The entity context.
`static int` | `ENTITY_VALUE_CONTEXT` The entity value context.
`static int` | `ENUMERATION_CONTEXT` The enumeration context.
`protected boolean` | `inDTD` The scanner is in the internal DTD.
`protected LocalizableSupport` | `localizableSupport` The localizable support.
`static int` | `NOTATION_CONTEXT` The notation context.
`static int` | `NOTATION_TYPE_CONTEXT` The notation type context.
`static int` | `PI_CONTEXT` The processing instruction context.
`protected boolean` | `piEndRead` A PI end has been previously read.
`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.
`static int` | `START_TAG_CONTEXT` The start tag context.
`static int` | `TOP_LEVEL_CONTEXT` The top level context.
`protected int` | `type` The type of the current lexical unit.
`static int` | `XML_DECL_CONTEXT` The XML declaration context.

Constructor Summary
`XMLScanner(java.io.InputStream is, java.lang.String enc)` Creates a new XML scanner.
`XMLScanner(java.io.Reader r)` Creates a new XML scanner.
`XMLScanner(java.lang.String s)` Creates a new XML scanner.

Method Summary
`void` | `clearBuffer()` Clears the buffer.
`protected XMLException` | `createXMLException(java.lang.String message)` Returns an XMLException initialized with the given message key.
`java.lang.String` | `formatMessage(java.lang.String key, java.lang.Object[] args)` Implements `Localizable.formatMessage(String,Object[])`.
`char[]` | `getBuffer()` Returns the buffer used to store the chars.
`int` | `getColumn()` Returns the current column.
`int` | `getContext()` Returns the current context.
`int` | `getDepth()` Returns the current depth in the XML tree.
`int` | `getEnd()` Returns the end offset of the last lexical unit.
`int` | `getEndOffset()` Returns the end offset of the current lexical unit.
`int` | `getLine()` Returns the current line.
`java.util.Locale` | `getLocale()` Implements `Localizable.getLocale()`.
`int` | `getStart()` Returns the start offset of the last lexical unit.
`int` | `getStartOffset()` Returns the start offset of the current lexical unit.
`char` | `getStringDelimiter()` Returns the last encountered string delimiter.
`int` | `getType()` The current lexical unit type like defined in LexicalUnits.
`int` | `next()` Advances to the next lexical unit.
`int` | `next(int ctx)` Advances to the next lexical unit.
`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 int` | `nextInAttList()` Returns the next lexical unit in the context of an attribute list.
`protected int` | `nextInAttributeValue()` Returns the next lexical unit in the context of an attribute value.
`protected int` | `nextInCDATASection()` Returns the next lexical unit in the context of a CDATA section.
`protected int` | `nextInContent()` Returns the next lexical unit in the context of an element content.
`protected int` | `nextInDoctype()` Returns the next lexical unit in the context of a doctype.
`protected int` | `nextInDocumentStart()` Reads the first token in the stream.
`protected int` | `nextInDTDDeclarations()` Returns the next lexical unit in the context dtd declarations.
`protected int` | `nextInElementDeclaration()` Returns the next lexical unit in the context of a element declaration.
`protected int` | `nextInEndTag()` Returns the next lexical unit in the context of a end tag.
`protected int` | `nextInEntity()` Returns the next lexical unit in the context of an entity.
`protected int` | `nextInEntityValue()` Returns the next lexical unit in the context of an entity value.
`protected int` | `nextInEnumeration()` Returns the next lexical unit in the context of an enumeration.
`protected int` | `nextInNotation()` Returns the next lexical unit in the context of a notation.
`protected int` | `nextInNotationType()` Returns the next lexical unit in the context of a notation type.
`protected int` | `nextInPI()` Returns the next lexical unit in the context of a processing instruction.
`protected int` | `nextInStartTag()` Returns the next lexical unit in the context of a start tag.
`protected int` | `nextInTopLevel()` Advances to the next lexical unit in the top level context.
`protected int` | `nextInXMLDecl()` Returns the next lexical unit in the context of an XML declaration.
`protected int` | `readComment()` Reads a comment.
`protected int` | `readIdentifier(java.lang.String s, int type, int ntype)` Reads the given identifier.
`protected int` | `readName(int type)` Reads a name.
`protected int` | `readNmtoken()` Reads a Nmtoken.
`protected int` | `readPEReference()` Reads a parameter entity reference.
`protected int` | `readPIStart()` Reads a processing instruction start.
`protected int` | `readReference()` Reads an entity or character reference.
`protected int` | `readString()` Reads a simple string, like the ones used for version, encoding, public/system identifiers...
`void` | `setContext(int c)` Sets the current context.
`void` | `setDepth(int i)` Sets the current depth in the XML tree.
`void` | `setLocale(java.util.Locale l)` Implements `Localizable.setLocale(Locale)`.

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

Field Detail

### DOCUMENT_START_CONTEXT

    public static final int DOCUMENT_START_CONTEXT

  The document start context.

  See Also:
    Constant Field Values

### TOP_LEVEL_CONTEXT

    public static final int TOP_LEVEL_CONTEXT

  The top level context.

  See Also:
    Constant Field Values

### PI_CONTEXT

    public static final int PI_CONTEXT

  The processing instruction context.

  See Also:
    Constant Field Values

### XML_DECL_CONTEXT

    public static final int XML_DECL_CONTEXT

  The XML declaration context.

  See Also:
    Constant Field Values

### DOCTYPE_CONTEXT

    public static final int DOCTYPE_CONTEXT

  The doctype context.

  See Also:
    Constant Field Values

### START_TAG_CONTEXT

    public static final int START_TAG_CONTEXT

  The start tag context.

  See Also:
    Constant Field Values

### CONTENT_CONTEXT

    public static final int CONTENT_CONTEXT

  The content context.

  See Also:
    Constant Field Values

### DTD_DECLARATIONS_CONTEXT

    public static final int DTD_DECLARATIONS_CONTEXT

  The DTD declarations context.

  See Also:
    Constant Field Values

### CDATA_SECTION_CONTEXT

    public static final int CDATA_SECTION_CONTEXT

  The CDATA section context.

  See Also:
    Constant Field Values

### END_TAG_CONTEXT

    public static final int END_TAG_CONTEXT

  The end tag context.

  See Also:
    Constant Field Values

### ATTRIBUTE_VALUE_CONTEXT

    public static final int ATTRIBUTE_VALUE_CONTEXT

  The attribute value context.

  See Also:
    Constant Field Values

### ATTLIST_CONTEXT

    public static final int ATTLIST_CONTEXT

  The ATTLIST context.

  See Also:
    Constant Field Values

### ELEMENT_DECLARATION_CONTEXT

    public static final int ELEMENT_DECLARATION_CONTEXT

  The element declaration context.

  See Also:
    Constant Field Values

### ENTITY_CONTEXT

    public static final int ENTITY_CONTEXT

  The entity context.

  See Also:
    Constant Field Values

### NOTATION_CONTEXT

    public static final int NOTATION_CONTEXT

  The notation context.

  See Also:
    Constant Field Values

### NOTATION_TYPE_CONTEXT

    public static final int NOTATION_TYPE_CONTEXT

  The notation type context.

  See Also:
    Constant Field Values

### ENUMERATION_CONTEXT

    public static final int ENUMERATION_CONTEXT

  The enumeration context.

  See Also:
    Constant Field Values

### ENTITY_VALUE_CONTEXT

    public static final int ENTITY_VALUE_CONTEXT

  The entity value context.

  See Also:
    Constant Field Values

### BUNDLE_CLASSNAME

    protected static final java.lang.String BUNDLE_CLASSNAME

  The default resource bundle base name.

  See Also:
    Constant Field Values

### localizableSupport

    protected LocalizableSupport localizableSupport

  The localizable support.

### reader

    protected NormalizingReader reader

  The reader.

### current

    protected int current

  The current char.

### type

    protected int type

  The type of the current lexical unit.

### buffer

    protected char[] buffer

  The recording buffer.

### position

    protected int position

  The current position in the buffer.

### start

    protected int start

  The start offset of the last lexical unit.

### end

    protected int end

  The end offset of the last lexical unit.

### context

    protected int context

  The current scanning context.

### depth

    protected int depth

  The depth in the xml tree.

### piEndRead

    protected boolean piEndRead

  A PI end has been previously read.

### inDTD

    protected boolean inDTD

  The scanner is in the internal DTD.

### attrDelimiter

    protected char attrDelimiter

  The last attribute delimiter encountered.

### cdataEndRead

    protected boolean cdataEndRead

  A CDATA section end is the next token

Constructor Detail

### XMLScanner

    public XMLScanner(java.io.Reader r)
               throws XMLException

  Creates a new XML scanner.

Parameters:
  `r` - The reader to scan.

### XMLScanner

    public XMLScanner(java.io.InputStream is,
                      java.lang.String enc)
               throws XMLException

  Creates a new XML scanner.

Parameters:
  `enc` - The character encoding to use.

### XMLScanner

    public XMLScanner(java.lang.String s)
               throws XMLException

  Creates a new XML scanner.

Parameters:
  `s` - The string to parse.

Method Detail

### setLocale

    public void setLocale(java.util.Locale l)

  Implements `Localizable.setLocale(Locale)`.

  Specified by:
    `setLocale` in interface `Localizable`
  Parameters:
    `l` - The locale to set.

### getLocale

    public java.util.Locale getLocale()

  Implements `Localizable.getLocale()`.

  Specified by:
    `getLocale` in interface `Localizable`

### formatMessage

    public java.lang.String formatMessage(java.lang.String key,
                                          java.lang.Object[] args)
                                   throws java.util.MissingResourceException

  Implements `Localizable.formatMessage(String,Object[])`.

  Specified by:
    `formatMessage` in interface `Localizable`
  Parameters:
    `key` - The key used to retreive the message from the resource bundle.
    `args` - The objects that compose the message.
  Throws:
    `java.util.MissingResourceException` - if the key is not in the bundle.

### setDepth

    public void setDepth(int i)

  Sets the current depth in the XML tree.

### getDepth

    public int getDepth()

  Returns the current depth in the XML tree.

### setContext

    public void setContext(int c)

  Sets the current context.

### getContext

    public int getContext()

  Returns the current context.

### getType

    public int getType()

  The current lexical unit type like defined in LexicalUnits.

### 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.

### getStringDelimiter

    public char getStringDelimiter()

  Returns the last encountered string delimiter.

### getStartOffset

    public int getStartOffset()

  Returns the start offset of the current lexical unit.

### getEndOffset

    public int getEndOffset()

  Returns the end offset of the current lexical unit.

### clearBuffer

    public void clearBuffer()

  Clears the buffer.

### next

    public int next()
             throws XMLException

  Advances to the next lexical unit.

  Returns:
    The type of the lexical unit like defined in LexicalUnits.
  Throws:
    `XMLException`

### next

    public int next(int ctx)
             throws XMLException

  Advances to the next lexical unit.

  Parameters:
    `ctx` - The context to use for scanning.
  Returns:
    The type of the lexical unit like defined in LexicalUnits.
  Throws:
    `XMLException`

### nextInDocumentStart

    protected int nextInDocumentStart()
                               throws java.io.IOException,
                                      XMLException

  Reads the first token in the stream.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInTopLevel

    protected int nextInTopLevel()
                          throws java.io.IOException,
                                 XMLException

  Advances to the next lexical unit in the top level context.

  Returns:
    The type of the lexical unit like defined in LexicalUnits.
  Throws:
    `java.io.IOException`
    `XMLException`

### nextInPI

    protected int nextInPI()
                    throws java.io.IOException,
                           XMLException

  Returns the next lexical unit in the context of a processing instruction.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInStartTag

    protected int nextInStartTag()
                          throws java.io.IOException,
                                 XMLException

  Returns the next lexical unit in the context of a start tag.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInAttributeValue

    protected int nextInAttributeValue()
                                throws java.io.IOException,
                                       XMLException

  Returns the next lexical unit in the context of an attribute value.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInContent

    protected int nextInContent()
                         throws java.io.IOException,
                                XMLException

  Returns the next lexical unit in the context of an element content.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInEndTag

    protected int nextInEndTag()
                        throws java.io.IOException,
                               XMLException

  Returns the next lexical unit in the context of a end tag.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInCDATASection

    protected int nextInCDATASection()
                              throws java.io.IOException,
                                     XMLException

  Returns the next lexical unit in the context of a CDATA section.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInXMLDecl

    protected int nextInXMLDecl()
                         throws java.io.IOException,
                                XMLException

  Returns the next lexical unit in the context of an XML declaration.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInDoctype

    protected int nextInDoctype()
                         throws java.io.IOException,
                                XMLException

  Returns the next lexical unit in the context of a doctype.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInDTDDeclarations

    protected int nextInDTDDeclarations()
                                 throws java.io.IOException,
                                        XMLException

  Returns the next lexical unit in the context dtd declarations.

  Throws:
    `java.io.IOException`
    `XMLException`

### readString

    protected int readString()
                      throws java.io.IOException,
                             XMLException

  Reads a simple string, like the ones used for version, encoding, public/system identifiers... The current character must be the string delimiter.

  Returns:
    type.
  Throws:
    `java.io.IOException`
    `XMLException`

### readComment

    protected int readComment()
                       throws java.io.IOException,
                              XMLException

  Reads a comment. '<!-' must have been read.

  Throws:
    `java.io.IOException`
    `XMLException`

### readIdentifier

    protected int readIdentifier(java.lang.String s,
                                 int type,
                                 int ntype)
                          throws java.io.IOException,
                                 XMLException

  Reads the given identifier.

  Parameters:
    `s` - The portion of the identifier to read.
    `type` - The lexical unit type of the identifier.
    `ntype` - The lexical unit type to set if the identifier do not match or -1 if an error must be signaled.
  Throws:
    `java.io.IOException`
    `XMLException`

### readName

    protected int readName(int type)
                    throws java.io.IOException,
                           XMLException

  Reads a name. The current character must be the first character.

  Parameters:
    `type` - The lexical unit type to set.
  Returns:
    type.
  Throws:
    `java.io.IOException`
    `XMLException`

### readPIStart

    protected int readPIStart()
                       throws java.io.IOException,
                              XMLException

  Reads a processing instruction start.

  Returns:
    type.
  Throws:
    `java.io.IOException`
    `XMLException`

### nextInElementDeclaration

    protected int nextInElementDeclaration()
                                    throws java.io.IOException,
                                           XMLException

  Returns the next lexical unit in the context of a element declaration.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInAttList

    protected int nextInAttList()
                         throws java.io.IOException,
                                XMLException

  Returns the next lexical unit in the context of an attribute list.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInNotation

    protected int nextInNotation()
                          throws java.io.IOException,
                                 XMLException

  Returns the next lexical unit in the context of a notation.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInEntity

    protected int nextInEntity()
                        throws java.io.IOException,
                               XMLException

  Returns the next lexical unit in the context of an entity.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInEntityValue

    protected int nextInEntityValue()
                             throws java.io.IOException,
                                    XMLException

  Returns the next lexical unit in the context of an entity value.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInNotationType

    protected int nextInNotationType()
                              throws java.io.IOException,
                                     XMLException

  Returns the next lexical unit in the context of a notation type.

  Throws:
    `java.io.IOException`
    `XMLException`

### nextInEnumeration

    protected int nextInEnumeration()
                             throws java.io.IOException,
                                    XMLException

  Returns the next lexical unit in the context of an enumeration.

  Throws:
    `java.io.IOException`
    `XMLException`

### readReference

    protected int readReference()
                         throws java.io.IOException,
                                XMLException

  Reads an entity or character reference. The current character must be '&'.

  Returns:
    type.
  Throws:
    `java.io.IOException`
    `XMLException`

### readPEReference

    protected int readPEReference()
                           throws java.io.IOException,
                                  XMLException

  Reads a parameter entity reference. The current character must be '%'.

  Returns:
    type.
  Throws:
    `java.io.IOException`
    `XMLException`

### readNmtoken

    protected int readNmtoken()
                       throws java.io.IOException,
                              XMLException

  Reads a Nmtoken. The current character must be the first character.

  Returns:
    LexicalUnits.NMTOKEN.
  Throws:
    `java.io.IOException`
    `XMLException`

### 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`

### createXMLException

    protected XMLException createXMLException(java.lang.String message)

  Returns an XMLException initialized with the given message key.

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Copyright © 2004 Apache Software Foundation. All Rights Reserved.