net.sf.saxon.style
Class XSLStylesheet

java.lang.Object
  extended by net.sf.saxon.tree.NodeImpl
      extended by net.sf.saxon.tree.ParentNodeImpl
          extended by net.sf.saxon.tree.ElementImpl
              extended by net.sf.saxon.style.StyleElement
                  extended by net.sf.saxon.style.XSLStylesheet
All Implemented Interfaces:
java.io.Serializable, javax.xml.transform.Source, javax.xml.transform.SourceLocator, LocationProvider, SaxonLocator, PullEvent, Container, FingerprintedNode, Item, MutableNodeInfo, NamespaceResolver, NodeInfo, SiblingCountingNode, ValueRepresentation, InstructionInfo, org.xml.sax.Locator

public class XSLStylesheet
extends StyleElement

An xsl:stylesheet or xsl:transform element in the stylesheet.
Note this element represents a stylesheet module, not necessarily the whole stylesheet. However, much of the functionality (and the fields) are relevant only to the top-level module.

See Also:
Serialized Form

Field Summary
static int ANNOTATION_PRESERVE
           
static int ANNOTATION_STRIP
           
(package private)  Executable exec
           
 
Fields inherited from class net.sf.saxon.style.StyleElement
defaultCollationName, defaultXPathNamespace, extensionNamespaces, REPORT_ALWAYS, REPORT_IF_INSTANTIATED, REPORT_UNLESS_FALLBACK_AVAILABLE, REPORT_UNLESS_FORWARDS_COMPATIBLE, reportingCircumstances, staticContext, validationError, version
 
Fields inherited from class net.sf.saxon.tree.ElementImpl
attributeList, nameCode, namespaceList, typeCode
 
Fields inherited from class net.sf.saxon.tree.ParentNodeImpl
children, sequence
 
Fields inherited from class net.sf.saxon.tree.NodeImpl
index, NODE_LETTER, parent
 
Fields inherited from interface net.sf.saxon.om.NodeInfo
ALL_NAMESPACES, EMPTY_NAMESPACE_LIST, IS_DTD_TYPE, IS_NILLED, LOCAL_NAMESPACES, NO_NAMESPACES
 
Constructor Summary
XSLStylesheet()
           
 
Method Summary
protected  void addImportedSchema(java.lang.String targetNamespace)
           
protected  void addNamespaceAlias(XSLNamespaceAlias node)
           
 int allocateGlobalSlot(StructuredQName qName)
          Allocate a slot number for a global variable or parameter
 void allocatePatternSlots(int n)
          Ensure there is enough space for local variables or parameters when evaluating the match pattern of template rules
 int allocateUniqueParameterNumber(StructuredQName qName)
          Allocate a unique number to a local parameter name.
 Expression compile(Executable exec)
          Dummy compile() method to satisfy the interface
 void compileStylesheet()
          Compile the stylesheet to create an executable.
 void declareXQueryFunction(XQueryFunction function)
          Declare an imported XQuery function
protected  StringCollator findCollation(java.lang.String name)
          Find a named collation.
 java.util.Properties gatherOutputProperties(StructuredQName formatQName)
          Create an output properties object representing the xsl:output elements in the stylesheet.
 XSLCharacterMap getCharacterMap(StructuredQName name)
          Get a character map, identified by the fingerprint of its name.
 CollationMap getCollationMap()
          Get the collation map
 int getDefaultValidation()
          Get the value of the default validation attribute
 Executable getExecutable()
          Get the run-time Executable object
 FunctionLibrary getFunctionLibrary()
          Get the function library.
 XSLVariableDeclaration getGlobalVariable(StructuredQName qName)
          Get the global variable or parameter with a given name (taking precedence rules into account)
protected  java.util.HashSet<java.lang.String> getImportedSchemaTable()
           
 XSLStylesheet getImporter()
          Get the StyleSheet that included or imported this one.
 int getInputTypeAnnotations()
          Get the value of the input-type-annotations attribute, for this module combined with that of all included/imported modules.
 int getInputTypeAnnotationsAttribute()
          Get the value of the input-type-annotations attribute, for this module alone.
 KeyManager getKeyManager()
          Get the KeyManager which handles key definitions
 LocationMap getLocationMap()
          Get the locationMap object
 int getMinImportPrecedence()
          Get the minimum import precedence of this stylesheet, that is, the lowest precedence of any stylesheet imported by this one
protected  int getNamespaceAlias(short uriCode)
          Get the declared namespace alias for a given namespace URI code if there is one.
 int getPrecedence()
          Get the import precedence of this stylesheet
 PreparedStylesheet getPreparedStylesheet()
          Get the owning PreparedStylesheet object
 RuleManager getRuleManager()
          Get the RuleManager which handles template rules
protected  Mode getStripperRules()
          Get the rules determining which nodes are to be stripped from the tree
 java.util.List getTopLevel()
          Get the top level elements in this stylesheet, after applying include/import
protected  boolean hasNamespaceAliases()
           
protected  void indexNamedTemplate(XSLTemplate template)
          Add a named template to the index
protected  void indexVariableDeclaration(XSLVariableDeclaration var)
          Index a global xsl:variable or xsl:param element
protected  boolean isAliasResultNamespace(short uriCode)
          Determine if a namespace is included in the result-prefix of a namespace-alias
protected  boolean isImportedSchema(java.lang.String targetNamespace)
          Get an imported schema with a given namespace
protected  boolean mayContainParam(java.lang.String attName)
          Determine whether this type of element is allowed to contain an xsl:param element
 void prepareAttributes()
          Prepare the attributes on the stylesheet element
 void preprocess()
          Preprocess does all the processing possible before the source document is available.
 void processAllAttributes()
          Process the attributes of every node in the stylesheet
 void setCollation(java.lang.String name, StringCollator collation)
          Register a named collation (actually a StringCollator)
 void setImporter(XSLStylesheet importer)
          Set the StyleSheet that included or imported this one.
 void setInputTypeAnnotations(int annotations)
          Set the value of the input-type-annotations attribute, for this module combined with that of all included/imported modules.
 void setMinImportPrecedence(int precedence)
          Set the minimum import precedence of this stylesheet, that is, the lowest precedence of any stylesheet imported by this one
 void setNeedsDynamicOutputProperties(boolean b)
          Set that this stylesheet needs dynamic output properties
 void setPrecedence(int prec)
          Set the import precedence of this stylesheet
 void setPreparedStylesheet(PreparedStylesheet sheet)
          Create link to the owning PreparedStylesheet object
 void setWasIncluded()
          Indicate that this stylesheet was included (by its "importer") using an xsl:include statement as distinct from xsl:import
 void spliceIncludes()
          Process xsl:include and xsl:import elements.
 boolean stripsWhitespace()
          Determine whether this stylesheet does any whitespace stripping
 void validate()
          Validate this element
 
Methods inherited from class net.sf.saxon.style.StyleElement
allocateLocationId, allocateSlots, backwardsCompatibleModeIsEnabled, bindVariable, checkEmpty, checkSortComesFirst, checkTopLevel, checkUnknownAttribute, checkWithinTemplate, compileError, compileError, compileError, compileError, compileSequenceConstructor, compileWarning, compileWarning, definesExcludedNamespace, definesExtensionElement, fallbackProcessing, fixupReferences, forwardsCompatibleModeIsEnabled, getAllStylesheetFunctions, getAttributeSets, getAttributeValue, getColumnNumber, getCommonChildItemType, getConstructType, getContainerGranularity, getContainingSlotManager, getContainingStylesheet, getDefaultCollationName, getDefaultXPathNamespace, getHostLanguage, getLastChildInstruction, getLineNumber, getLocationProvider, getNamespaceResolver, getObjectName, getPrincipalStylesheet, getProperties, getProperty, getReturnedItemType, getSchemaType, getStaticContext, getStylesheetFunction, getSystemId, getTypeAnnotation, getVersion, getWithParamInstructions, index, isExcludedNamespace, isExplaining, isExtensionNamespace, isInstruction, isPermittedChild, issueWarning, issueWarning, isTopLevel, makeAttributeValueTemplate, makeExpression, makeExpressionVisitor, makeNamespaceContext, makePattern, makeQName, makeSequenceType, makeSortKeys, makeTraceInstruction, markTailCalls, mayContainFallback, mayContainSequenceConstructor, postValidate, processAttributes, processDefaultCollationAttribute, processDefaultXPathNamespaceAttribute, processExcludedNamespaces, processExtensionElementAttribute, processStandardAttributes, processVersionAttribute, replaceSubExpression, reportAbsence, seesAvuncularVariables, setObjectName, setValidationError, substituteFor, typeCheck, typeCheck, undeclaredNamespaceError, validateChildren, validateSubtree
 
Methods inherited from class net.sf.saxon.tree.ElementImpl
addAttribute, addNamespace, copy, delete, fixupInsertedNamespaces, generateId, getAttributeList, getAttributeValue, getAttributeValue, getBaseURI, getColumnNumber, getDeclaredNamespaces, getDocumentRoot, getInScopeNamespaceCodes, getLineNumber, getNameCode, getNodeKind, getPrefixForURI, getRoot, getSystemId, getTypeAnnotation, getURICodeForPrefix, getURICodeForPrefixCode, getURIForPrefix, initialise, isId, isNilled, iteratePrefixes, removeAttribute, removeTypeAnnotation, rename, replaceStringValue, setLineAndColumn, setLocation, setNameCode, setNamespaceDeclarations, setSystemId, setTypeAnnotation
 
Methods inherited from class net.sf.saxon.tree.ParentNodeImpl
addChild, compact, enumerateChildren, getFirstChild, getLastChild, getNthChild, getNumberOfChildren, getSequenceNumber, getStringValue, getStringValueCS, hasChildNodes, insertChildren, insertChildrenAt, removeChild, replaceChildrenAt, useChildrenArray
 
Methods inherited from class net.sf.saxon.tree.NodeImpl
atomize, compareOrder, equals, getConfiguration, getDisplayName, getDocumentNumber, getFingerprint, getLocalPart, getNamePool, getNextInDocument, getNextSibling, getParent, getPhysicalRoot, getPrefix, getPreviousInDocument, getPreviousSibling, getPublicId, getSiblingPosition, getTypedValue, getURI, insertSiblings, isDeleted, isIdref, isSameNodeInfo, iterateAxis, iterateAxis, newBuilder, replace
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface net.sf.saxon.trace.InstructionInfo
getLineNumber, getSystemId
 
Methods inherited from interface org.xml.sax.Locator
getColumnNumber, getPublicId
 
Methods inherited from interface javax.xml.transform.SourceLocator
getColumnNumber, getPublicId
 
Methods inherited from interface net.sf.saxon.om.NodeInfo
hashCode
 

Field Detail

exec

Executable exec

ANNOTATION_STRIP

public static final int ANNOTATION_STRIP
See Also:
Constant Field Values

ANNOTATION_PRESERVE

public static final int ANNOTATION_PRESERVE
See Also:
Constant Field Values
Constructor Detail

XSLStylesheet

public XSLStylesheet()
Method Detail

setPreparedStylesheet

public void setPreparedStylesheet(PreparedStylesheet sheet)
Create link to the owning PreparedStylesheet object

Parameters:
sheet - the PreparedStylesheet

getPreparedStylesheet

public PreparedStylesheet getPreparedStylesheet()
Get the owning PreparedStylesheet object

Overrides:
getPreparedStylesheet in class StyleElement
Returns:
the PreparedStylesheet to which this stylesheet element belongs. Exceptionally (with early errors in a simplified stylesheet module) return null.

getExecutable

public Executable getExecutable()
Get the run-time Executable object

Specified by:
getExecutable in interface Container
Overrides:
getExecutable in class StyleElement
Returns:
the executable

mayContainParam

protected boolean mayContainParam(java.lang.String attName)
Description copied from class: StyleElement
Determine whether this type of element is allowed to contain an xsl:param element

Overrides:
mayContainParam in class StyleElement
Parameters:
attName - if null, the method tests whether an xsl:param child is allowed. If non-null, it tests whether an xsl:param child with the given attribute name is allowed
Returns:
true if this element is allowed to contain an xsl:param

getFunctionLibrary

public FunctionLibrary getFunctionLibrary()
Get the function library. Available only on the principal stylesheet module

Returns:
the function library

getLocationMap

public LocationMap getLocationMap()
Get the locationMap object

Returns:
the LocationMap

getRuleManager

public RuleManager getRuleManager()
Get the RuleManager which handles template rules

Returns:
the template rule manager

getStripperRules

protected Mode getStripperRules()
Get the rules determining which nodes are to be stripped from the tree

Returns:
the Mode object holding the whitespace stripping rules. The stripping rules defined in xsl:strip-space are managed in the same way as template rules, hence the use of a special Mode object

stripsWhitespace

public boolean stripsWhitespace()
Determine whether this stylesheet does any whitespace stripping

Returns:
true if this stylesheet strips whitespace from source documents

getKeyManager

public KeyManager getKeyManager()
Get the KeyManager which handles key definitions

Returns:
the key manager

getCollationMap

public CollationMap getCollationMap()
Get the collation map

Returns:
the CollationMap

setCollation

public void setCollation(java.lang.String name,
                         StringCollator collation)
Register a named collation (actually a StringCollator)

Parameters:
name - the name of the collation
collation - the StringCollator that implements this collation

findCollation

protected StringCollator findCollation(java.lang.String name)
Find a named collation. Note this method should only be used at compile-time, before declarations have been pre-processed. After that time, use getCollation().

Parameters:
name - identifies the name of the collation required
Returns:
null if the collation is not found

getCharacterMap

public XSLCharacterMap getCharacterMap(StructuredQName name)
Get a character map, identified by the fingerprint of its name. Search backwards through the stylesheet.

Parameters:
name - The character map name being sought
Returns:
the identified character map, or null if not found

setPrecedence

public void setPrecedence(int prec)
Set the import precedence of this stylesheet

Parameters:
prec - the import precedence. Higher numbers indicate higher precedence, but the actual number has no significance

getPrecedence

public int getPrecedence()
Get the import precedence of this stylesheet

Overrides:
getPrecedence in class StyleElement
Returns:
the import precedence. The actual numeric value is arbitrary, but a higher number indicates a higher precedence.

getMinImportPrecedence

public int getMinImportPrecedence()
Get the minimum import precedence of this stylesheet, that is, the lowest precedence of any stylesheet imported by this one

Returns:
the minimum precedence of imported stylesheet modules

setMinImportPrecedence

public void setMinImportPrecedence(int precedence)
Set the minimum import precedence of this stylesheet, that is, the lowest precedence of any stylesheet imported by this one

Parameters:
precedence - the precedence of the first stylesheet module that this one imports

setImporter

public void setImporter(XSLStylesheet importer)
Set the StyleSheet that included or imported this one.

Parameters:
importer - the stylesheet module that included or imported this module

getImporter

public XSLStylesheet getImporter()
Get the StyleSheet that included or imported this one.

Returns:
null if this is the principal stylesheet

setWasIncluded

public void setWasIncluded()
Indicate that this stylesheet was included (by its "importer") using an xsl:include statement as distinct from xsl:import


getTopLevel

public java.util.List getTopLevel()
Get the top level elements in this stylesheet, after applying include/import

Returns:
a list of top-level elements in this stylesheet module or in those modules that it includes or imports

allocateGlobalSlot

public int allocateGlobalSlot(StructuredQName qName)
Allocate a slot number for a global variable or parameter

Parameters:
qName - the name of the variable or parameter
Returns:
int the allocated slot number

allocatePatternSlots

public void allocatePatternSlots(int n)
Ensure there is enough space for local variables or parameters when evaluating the match pattern of template rules

Overrides:
allocatePatternSlots in class StyleElement
Parameters:
n - the number of slots to be allocated

prepareAttributes

public void prepareAttributes()
                       throws XPathException
Prepare the attributes on the stylesheet element

Specified by:
prepareAttributes in class StyleElement
Throws:
XPathException

getDefaultValidation

public int getDefaultValidation()
Get the value of the default validation attribute

Returns:
the value of the default-validation attribute, as a constant such as Validation.STRIP

getInputTypeAnnotationsAttribute

public int getInputTypeAnnotationsAttribute()
                                     throws XPathException
Get the value of the input-type-annotations attribute, for this module alone. The value is an or-ed combination of the two bits ANNOTATION_STRIP and ANNOTATION_PRESERVE

Returns:
the value if the input-type-annotations attribute in this stylesheet module
Throws:
XPathException

getInputTypeAnnotations

public int getInputTypeAnnotations()
Get the value of the input-type-annotations attribute, for this module combined with that of all included/imported modules. The value is an or-ed combination of the two bits ANNOTATION_STRIP and ANNOTATION_PRESERVE

Returns:
the value of the input-type-annotations attribute, for this module combined with that of all included/imported modules

setInputTypeAnnotations

public void setInputTypeAnnotations(int annotations)
                             throws XPathException
Set the value of the input-type-annotations attribute, for this module combined with that of all included/imported modules. The value is an or-ed combination of the two bits ANNOTATION_STRIP and ANNOTATION_PRESERVE

Parameters:
annotations - the value of the input-type-annotations attribute, for this module combined with that of all included/imported modules.
Throws:
XPathException

getNamespaceAlias

protected int getNamespaceAlias(short uriCode)
Get the declared namespace alias for a given namespace URI code if there is one. If there is more than one, we get the last.

Parameters:
uriCode - The code of the uri used in the stylesheet.
Returns:
The namespace code to be used (prefix in top half, uri in bottom half): return -1 if no alias is defined

isAliasResultNamespace

protected boolean isAliasResultNamespace(short uriCode)
Determine if a namespace is included in the result-prefix of a namespace-alias

Parameters:
uriCode - the namepool code of the URI
Returns:
true if an xsl:namespace-alias has been defined for this namespace URI

validate

public void validate()
              throws XPathException
Validate this element

Overrides:
validate in class StyleElement
Throws:
XPathException

preprocess

public void preprocess()
                throws XPathException
Preprocess does all the processing possible before the source document is available. It is done once per stylesheet, so the stylesheet can be reused for multiple source documents. The method is called only on the XSLStylesheet element representing the principal stylesheet module

Throws:
XPathException

spliceIncludes

public void spliceIncludes()
                    throws XPathException
Process xsl:include and xsl:import elements.

Throws:
XPathException

addNamespaceAlias

protected void addNamespaceAlias(XSLNamespaceAlias node)

indexVariableDeclaration

protected void indexVariableDeclaration(XSLVariableDeclaration var)
                                 throws XPathException
Index a global xsl:variable or xsl:param element

Parameters:
var - The XSLVariable or XSLParam element
Throws:
XPathException

indexNamedTemplate

protected void indexNamedTemplate(XSLTemplate template)
                           throws XPathException
Add a named template to the index

Parameters:
template - The Template object
Throws:
XPathException

hasNamespaceAliases

protected boolean hasNamespaceAliases()

processAllAttributes

public void processAllAttributes()
                          throws XPathException
Process the attributes of every node in the stylesheet

Overrides:
processAllAttributes in class StyleElement
Throws:
XPathException - in the event of a static error being detected

getGlobalVariable

public XSLVariableDeclaration getGlobalVariable(StructuredQName qName)
Get the global variable or parameter with a given name (taking precedence rules into account)

Parameters:
qName - name of the global variable or parameter
Returns:
the variable declaration

setNeedsDynamicOutputProperties

public void setNeedsDynamicOutputProperties(boolean b)
Set that this stylesheet needs dynamic output properties

Parameters:
b - true if this stylesheet needs dynamic output properties

gatherOutputProperties

public java.util.Properties gatherOutputProperties(StructuredQName formatQName)
                                            throws XPathException
Create an output properties object representing the xsl:output elements in the stylesheet.

Parameters:
formatQName - The name of the output format required. If set to null, gathers information for the unnamed output format
Returns:
the Properties object containing the details of the specified output format
Throws:
XPathException - if a named output format does not exist in the stylesheet

declareXQueryFunction

public void declareXQueryFunction(XQueryFunction function)
                           throws XPathException
Declare an imported XQuery function

Parameters:
function - the imported function
Throws:
XPathException

isImportedSchema

protected boolean isImportedSchema(java.lang.String targetNamespace)
Get an imported schema with a given namespace

Parameters:
targetNamespace - The target namespace of the required schema. Supply an empty string for the default namespace
Returns:
the required Schema, or null if no such schema has been imported

addImportedSchema

protected void addImportedSchema(java.lang.String targetNamespace)

getImportedSchemaTable

protected java.util.HashSet<java.lang.String> getImportedSchemaTable()

compileStylesheet

public void compileStylesheet()
                       throws XPathException
Compile the stylesheet to create an executable.

Throws:
XPathException

compile

public Expression compile(Executable exec)
Dummy compile() method to satisfy the interface

Specified by:
compile in class StyleElement
Parameters:
exec - the Executable
Returns:
either a ComputedExpression, or null. The value null is returned when compiling an instruction that returns a no-op, or when compiling a top-level object such as an xsl:template that compiles into something other than an instruction.

allocateUniqueParameterNumber

public int allocateUniqueParameterNumber(StructuredQName qName)
Allocate a unique number to a local parameter name. This should only be called on the principal stylesheet module.

Parameters:
qName - the local parameter name
Returns:
an integer that uniquely identifies this parameter name within the stylesheet