org.apache.xerces.validators.common
Class AllContentModel

java.lang.Object
  |
  +--org.apache.xerces.validators.common.AllContentModel

All Implemented Interfaces:

XMLContentModel

public class AllContentModel

extends java.lang.Object

implements XMLContentModel

Constructor Summary

AllContentModel(boolean hasOptionalContent)

AllContentModel(boolean hasOptionalContent, boolean isMixed)

Method Summary

void	checkUniqueParticleAttribution(SchemaGrammar gram)
ContentLeafNameTypeVector	getContentLeafNameTypeVector()
void	setSubstitutionGroupComparator(SubstitutionGroupComparator comparator) The setter method to pass in the SubstitutionGroupComparator.
int	validateContent(QName[] children, int offset, int length) Check that the specified content is valid according to this content model.
int	validateContentSpecial(QName[] children, int offset, int length) This method is different from "validateContent" in that it will try to use the SubstitutionGroupComparator to match children against the content model.
int	whatCanGoHere(boolean fullyValid, InsertableElementsInfo info) Returns information about which elements can be placed at a particular point in the passed element's content model.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AllContentModel

public AllContentModel(boolean hasOptionalContent)

AllContentModel

public AllContentModel(boolean hasOptionalContent,
                       boolean isMixed)

Method Detail

checkUniqueParticleAttribution

public void checkUniqueParticleAttribution(SchemaGrammar gram)
                                    throws java.lang.Exception

Specified by:

checkUniqueParticleAttribution in interface XMLContentModel

validateContent

public int validateContent(QName[] children,
                           int offset,
                           int length)
                    throws java.lang.Exception

Check that the specified content is valid according to this content model. This method can also be called to do 'what if' testing of content models just to see if they would be valid.

A value of -1 in the children array indicates a PCDATA node. All other indexes will be positive and represent child elements. The count can be zero, since some elements have the EMPTY content model and that must be confirmed.

Specified by:

validateContent in interface XMLContentModel

Parameters:

children - The children of this element. Each integer is an index within the StringPool of the child element name. An index of -1 is used to indicate an occurrence of non-whitespace character data.

offset - Offset into the array where the children starts.

length - The number of entries in the children array.

Returns:

The value -1 if fully valid, else the 0 based index of the child that first failed. If the value returned is equal to the number of children, then the specified children are valid but additional content is required to reach a valid ending state.

Throws:

java.lang.Exception - Thrown on error.

validateContentSpecial

public int validateContentSpecial(QName[] children,
                                  int offset,
                                  int length)
                           throws java.lang.Exception

This method is different from "validateContent" in that it will try to use the SubstitutionGroupComparator to match children against the content model.

A value of -1 in the children array indicates a PCDATA node. All other indexes will be positive and represent child elements. The count can be zero, since some elements have the EMPTY content model and that must be confirmed.

Specified by:

validateContentSpecial in interface XMLContentModel

Parameters:

children - The children of this element. Each integer is an index within the StringPool of the child element name. An index of -1 is used to indicate an occurrence of non-whitespace character data.

offset - Offset into the array where the children starts.

length - The number of entries in the children array.

Returns:

The value -1 if fully valid, else the 0 based index of the child that first failed. If the value returned is equal to the number of children, then the specified children are valid but additional content is required to reach a valid ending state.

Throws:

java.lang.Exception - Thrown on error.

setSubstitutionGroupComparator

public void setSubstitutionGroupComparator(SubstitutionGroupComparator comparator)

The setter method to pass in the SubstitutionGroupComparator.

Specified by:

setSubstitutionGroupComparator in interface XMLContentModel

Parameters:

comparator - a SubstitutionGroupComparator object.

Returns:

Throws:

-

whatCanGoHere

public int whatCanGoHere(boolean fullyValid,
                         InsertableElementsInfo info)
                  throws java.lang.Exception

Returns information about which elements can be placed at a particular point in the passed element's content model.

Note that the incoming content model to test must be valid at least up to the insertion point. If not, then -1 will be returned and the info object will not have been filled in.

If, on return, the info.isValidEOC flag is set, then the 'insert after' element is a valid end of content. In other words, nothing needs to be inserted after it to make the parent element's content model valid.

Specified by:

whatCanGoHere in interface XMLContentModel

Parameters:

fullyValid - Only return elements that can be inserted and still maintain the validity of subsequent elements past the insertion point (if any). If the insertion point is at the end, and this is true, then only elements that can be legal final states will be returned.

info - An object that contains the required input data for the method, and which will contain the output information if successful.

Returns:

The value -1 if fully valid, else the 0 based index of the child that first failed before the insertion point. If the value returned is equal to the number of children, then the specified children are valid but additional content is required to reach a valid ending state.

See Also:

InsertableElementsInfo

getContentLeafNameTypeVector

public ContentLeafNameTypeVector getContentLeafNameTypeVector()

Specified by:

getContentLeafNameTypeVector in interface XMLContentModel