Xerces-J API: Interface XMLDTDScanner.EventHandler

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## org.apache.xerces.framework
Interface XMLDTDScanner.EventHandler

All Known Implementing Classes:
  DTDGrammar

Enclosing class:
  XMLDTDScanner

public static interface XMLDTDScanner.EventHandler

This interface must be implemented by the users of the XMLDTDScanner class. These methods form the abstraction between the implementation semantics and the more generic task of scanning the DTD-specific XML grammar.

Method Summary
`int` | `addAttDef(QName elementDecl, QName attributeDecl, int attType, boolean attList, int enumeration, int attDefaultType, int attDefaultValue, boolean isExternal)` Add an attribute definition
`int` | `addContentSpecNode(int nodeType, int nodeValue)` Create an XMLContentSpec for a single non-leaf
`int` | `addContentSpecNode(int nodeType, int leftNodeIndex, int rightNodeIndex)` Create an XMLContentSpec for a two child leaf
`int` | `addElementDecl(QName elementDecl)` Add an element declaration (forward reference)
`int` | `addElementDecl(QName elementDecl, int contentSpecType, int contentSpec, boolean isExternal)` Add an element declaration
`int` | `addExternalEntityDecl(int name, int publicId, int systemId)` Add a declaration for an entity
`int` | `addExternalPEDecl(int name, int publicId, int systemId)` Add a declaration for an external parameter entity
`int` | `addInternalEntityDecl(int name, int value)` Add a declaration for an internal entity
`int` | `addInternalPEDecl(int name, int value)` Add a declaration for an internal parameter entity
`void` | `addNameToEnumeration(int enumIndex, int elementType, int attrName, int nameIndex, boolean isNotationType)` Add a name to an enumeration
`int` | `addNotationDecl(int notationName, int publicId, int systemId)` Add a declaration for a notation
`int` | `addUniqueLeafNode(int nameIndex)` create an XMLContentSpec for a leaf
`int` | `addUnparsedEntityDecl(int name, int publicId, int systemId, int notationName)` Add a declaration for an unparsed entity
`void` | `callComment(int data)` Called when a comment has been scanned
`void` | `callEndDTD()` End of DTD.
`void` | `callProcessingInstruction(int piTarget, int piData)` Called when a processing instruction has been scanned
`void` | `callStartDTD()` Start of DTD.
`void` | `callTextDecl(int version, int encoding)` Signal the Text declaration of an external entity.
`void` | `doctypeDecl(QName rootElement, int publicId, int systemId)` Called when the doctype decl is scanned
`void` | `endEntityDecl()` End the scope of an entity declaration.
`void` | `endEnumeration(int enumIndex)` Finish processing an enumeration
`java.lang.String` | `getContentSpecNodeAsString(int nodeIndex)` Create a string representation of an XMLContentSpec tree
`void` | `internalSubset(int internalSubset)` Supports DOM Level 2 internalSubset additions.
`boolean` | `startEntityDecl(boolean isPE, int entityName)` Start the scope of an entity declaration.
`int` | `startEnumeration()` Called when the scanner start scanning an enumeration
`void` | `startReadingFromExternalSubset(int publicId, int systemId)` Called when the DTDScanner starts reading from the external subset
`void` | `stopReadingFromExternalSubset()` Called when the DTDScanner stop reading from the external subset

Method Detail

### callStartDTD

    public void callStartDTD()
                      throws java.lang.Exception

  Start of DTD.

### callEndDTD

    public void callEndDTD()
                    throws java.lang.Exception

  End of DTD.

### callTextDecl

    public void callTextDecl(int version,
                             int encoding)
                      throws java.lang.Exception

  Signal the Text declaration of an external entity.
  Parameters:
    `version` - the handle in the string pool for the version number
    `encoding` - the handle in the string pool for the encoding
  Throws:
    java.lang.Exception -

### doctypeDecl

    public void doctypeDecl(QName rootElement,
                            int publicId,
                            int systemId)
                     throws java.lang.Exception

  Called when the doctype decl is scanned
  Parameters:
    `rootElementType` - handle of the rootElement
    `publicId` - StringPool handle of the public id
    `systemId` - StringPool handle of the system id
  Throws:
    java.lang.Exception -

### startReadingFromExternalSubset

    public void startReadingFromExternalSubset(int publicId,
                                               int systemId)
                                        throws java.lang.Exception

  Called when the DTDScanner starts reading from the external subset
  Parameters:
    `publicId` - StringPool handle of the public id
    `systemId` - StringPool handle of the system id
  Throws:
    java.lang.Exception -

### stopReadingFromExternalSubset

    public void stopReadingFromExternalSubset()
                                       throws java.lang.Exception

  Called when the DTDScanner stop reading from the external subset
  Throws:
    java.lang.Exception -

### addElementDecl

    public int addElementDecl(QName elementDecl)
                       throws java.lang.Exception

  Add an element declaration (forward reference)
  Parameters:
    `handle` - to the name of the element being declared
  Returns:
    handle to the element whose declaration was added
  Throws:
    java.lang.Exception -

### addElementDecl

    public int addElementDecl(QName elementDecl,
                              int contentSpecType,
                              int contentSpec,
                              boolean isExternal)
                       throws java.lang.Exception

  Add an element declaration
  Parameters:
    `handle` - to the name of the element being declared
    `contentSpecType` - handle to the type name of the content spec
    `ContentSpec` - handle to the content spec node for the contentSpecType
  Returns:
    handle to the element declaration that was added
  Throws:
    java.lang.Exception -

### addAttDef

    public int addAttDef(QName elementDecl,
                         QName attributeDecl,
                         int attType,
                         boolean attList,
                         int enumeration,
                         int attDefaultType,
                         int attDefaultValue,
                         boolean isExternal)
                  throws java.lang.Exception

  Add an attribute definition
  Parameters:
    `handle` - to the element whose attribute is being declared
    `attName` - StringPool handle to the attribute name being declared
    `attType` - type of the attribute
    `enumeration` - StringPool handle of the attribute's enumeration list (if any)
    `attDefaultType` - an integer value denoting the DefaultDecl value
    `attDefaultValue` - StringPool handle of this attribute's default value
  Returns:
    handle to the attribute definition
  Throws:
    java.lang.Exception -

### addUniqueLeafNode

    public int addUniqueLeafNode(int nameIndex)
                          throws java.lang.Exception

  create an XMLContentSpec for a leaf
  Parameters:
    `nameIndex` - StringPool handle to the name (Element) for the node
  Returns:
    handle to the newly create XMLContentSpec
  Throws:
    java.lang.Exception -

### addContentSpecNode

    public int addContentSpecNode(int nodeType,
                                  int nodeValue)
                           throws java.lang.Exception

  Create an XMLContentSpec for a single non-leaf
  Parameters:
    `nodeType` - the type of XMLContentSpec to create - from XMLContentSpec.CONTENTSPECNODE_*
    `nodeValue` - handle to an XMLContentSpec
  Returns:
    handle to the newly create XMLContentSpec
  Throws:
    java.lang.Exception -

### addContentSpecNode

    public int addContentSpecNode(int nodeType,
                                  int leftNodeIndex,
                                  int rightNodeIndex)
                           throws java.lang.Exception

  Create an XMLContentSpec for a two child leaf
  Parameters:
    `nodeType` - the type of XMLContentSpec to create - from XMLContentSpec.CONTENTSPECNODE_*
    `leftNodeIndex` - handle to an XMLContentSpec
    `rightNodeIndex` - handle to an XMLContentSpec
  Returns:
    handle to the newly create XMLContentSpec
  Throws:
    java.lang.Exception -

### getContentSpecNodeAsString

    public java.lang.String getContentSpecNodeAsString(int nodeIndex)
                                                throws java.lang.Exception

  Create a string representation of an XMLContentSpec tree
  Parameters:
    `handle` - to an XMLContentSpec
  Returns:
    String representation of the content spec tree
  Throws:
    java.lang.Exception -

### startEntityDecl

    public boolean startEntityDecl(boolean isPE,
                                   int entityName)
                            throws java.lang.Exception

  Start the scope of an entity declaration.
  Returns:
    `true` on success; otherwise `false` if the entity declaration is recursive.
  Throws:
    java.lang.Exception -

### endEntityDecl

    public void endEntityDecl()
                       throws java.lang.Exception

  End the scope of an entity declaration.
  Throws:
    java.lang.Exception -

### addInternalPEDecl

    public int addInternalPEDecl(int name,
                                 int value)
                          throws java.lang.Exception

  Add a declaration for an internal parameter entity
  Parameters:
    `name` - StringPool handle of the parameter entity name
    `value` - StringPool handle of the parameter entity value
  Returns:
    handle to the parameter entity declaration
  Throws:
    java.lang.Exception -

### addExternalPEDecl

    public int addExternalPEDecl(int name,
                                 int publicId,
                                 int systemId)
                          throws java.lang.Exception

  Add a declaration for an external parameter entity
  Parameters:
    `name` - StringPool handle of the parameter entity name
    `publicId` - StringPool handle of the publicId
    `systemId` - StringPool handle of the systemId
  Returns:
    handle to the parameter entity declaration
  Throws:
    java.lang.Exception -

### addInternalEntityDecl

    public int addInternalEntityDecl(int name,
                                     int value)
                              throws java.lang.Exception

  Add a declaration for an internal entity
  Parameters:
    `name` - StringPool handle of the entity name
    `value` - StringPool handle of the entity value
  Returns:
    handle to the entity declaration
  Throws:
    java.lang.Exception -

### addExternalEntityDecl

    public int addExternalEntityDecl(int name,
                                     int publicId,
                                     int systemId)
                              throws java.lang.Exception

  Add a declaration for an entity
  Parameters:
    `name` - StringPool handle of the entity name
    `publicId` - StringPool handle of the publicId
    `systemId` - StringPool handle of the systemId
  Returns:
    handle to the entity declaration
  Throws:
    java.lang.Exception -

### addUnparsedEntityDecl

    public int addUnparsedEntityDecl(int name,
                                     int publicId,
                                     int systemId,
                                     int notationName)
                              throws java.lang.Exception

  Add a declaration for an unparsed entity
  Parameters:
    `name` - StringPool handle of the entity name
    `publicId` - StringPool handle of the publicId
    `systemId` - StringPool handle of the systemId
    `notationName` - StringPool handle of the notationName
  Returns:
    handle to the entity declaration
  Throws:
    java.lang.Exception -

### startEnumeration

    public int startEnumeration()
                         throws java.lang.Exception

  Called when the scanner start scanning an enumeration
  Returns:
    StringPool handle to a string list that will hold the enumeration names
  Throws:
    java.lang.Exception -

### addNameToEnumeration

    public void addNameToEnumeration(int enumIndex,
                                     int elementType,
                                     int attrName,
                                     int nameIndex,
                                     boolean isNotationType)
                              throws java.lang.Exception

  Add a name to an enumeration
  Parameters:
    `enumIndex` - StringPool handle to the string list for the enumeration
    `elementType` - handle to the element that owns the attribute with the enumeration
    `attrName` - StringPool handle to the name of the attribut with the enumeration
    `nameIndex` - StringPool handle to the name to be added to the enumeration
    `isNotationType` - true if the enumeration is an enumeration of NOTATION names
  Throws:
    java.lang.Exception -

### endEnumeration

    public void endEnumeration(int enumIndex)
                        throws java.lang.Exception

  Finish processing an enumeration
  Parameters:
    `enumIndex` - handle to the string list which holds the enumeration to be finshed.
  Throws:
    java.lang.Exception -

### addNotationDecl

    public int addNotationDecl(int notationName,
                               int publicId,
                               int systemId)
                        throws java.lang.Exception

  Add a declaration for a notation
  Parameters:
    `notationName` -
    `publicId` -
    `systemId` -
  Returns:
    handle to the notation declaration
  Throws:
    java.lang.Exception -

### callComment

    public void callComment(int data)
                     throws java.lang.Exception

  Called when a comment has been scanned
  Parameters:
    `data` - StringPool handle of the comment text
  Throws:
    java.lang.Exception -

### callProcessingInstruction

    public void callProcessingInstruction(int piTarget,
                                          int piData)
                                   throws java.lang.Exception

  Called when a processing instruction has been scanned
  Parameters:
    `piTarget` - StringPool handle of the PI target
    `piData` - StringPool handle of the PI data
  Throws:
    java.lang.Exception -

### internalSubset

    public void internalSubset(int internalSubset)
                        throws java.lang.Exception

  Supports DOM Level 2 internalSubset additions. Called when the internal subset is completely scanned.

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