net.sf.saxon.style

Class PrincipalStylesheetModule

java.lang.Object

net.sf.saxon.style.StylesheetModule

net.sf.saxon.style.PrincipalStylesheetModule

public class PrincipalStylesheetModule
extends StylesheetModule

Represents the stylesheet module at the root of the import tree, that is, the module that includes or imports all the others. Note that this object is present at compile time only, unlike the Executable, which also exists at run-time.

Field Summary

Fields inherited from class net.sf.saxon.style.StylesheetModule

topLevel

Constructor Summary

Constructors

Constructor and Description
PrincipalStylesheetModule(XSLStylesheet sourceElement, int precedence)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addImportedSchema(String targetNamespace)
protected void	addNamespaceAlias(Declaration node)
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.
protected void	compileError(String message, String errorCode) Compile time error, specifying an error code
protected void	compileError(XPathException error) Report an error with diagnostic information
void	compileStylesheet() Compile the stylesheet to create an executable.
FunctionLibraryList	createFunctionLibrary(CompilerInfo info) Create the function library
void	declareXQueryFunction(XQueryFunction function) Declare an imported XQuery function
StringCollator	findCollation(String name, String baseURI) Find a named collation.
Properties	gatherOutputProperties(StructuredQName formatQName) Create an output properties object representing the xsl:output elements in the stylesheet.
protected boolean	getAttributeSets(StructuredQName name, List<Declaration> list) Get the list of attribute-set declarations associated with a given QName.
Declaration	getCharacterMap(StructuredQName name) Get a character map, identified by the fingerprint of its name.
CollationMap	getCollationMap() Get the collation map
protected XSLFunction	getFunction(StructuredQName name, int arity) Get the function with a given name and arity
protected Declaration	getFunctionDeclaration(StructuredQName name, int arity)
FunctionLibrary	getFunctionLibrary() Get the function library.
SourceBinding	getGlobalVariable(StructuredQName qName) Get the global variable or parameter with a given name (taking precedence rules into account)
protected HashSet<String>	getImportedSchemaTable()
XSLTemplate	getNamedTemplate(StructuredQName name) Get the named template with a given name
protected NamespaceBinding	getNamespaceAlias(String uri) Get the declared namespace alias for a given namespace URI code if there is one.
PreparedStylesheet	getPreparedStylesheet()
PrincipalStylesheetModule	getPrincipalStylesheetModule()
XSLStylesheet	getStylesheetDocument(DocumentURI key) Get a module from the cache
String	getVersion() Get the value of the version attribute on the xsl:stylesheet element of the principal stylesheet module
protected boolean	hasNamespaceAliases()
protected void	indexFunction(Declaration decl) Add a stylesheet function to the index
protected void	indexNamedTemplate(Declaration decl) Add a named template to the index
protected void	indexVariableDeclaration(Declaration decl) Index a global xsl:variable or xsl:param element
protected boolean	isAliasResultNamespace(String uri) Determine if a namespace is included in the result-prefix of a namespace-alias
protected boolean	isImportedSchema(String targetNamespace) Get an imported schema with a given namespace
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
protected void	putFunction(Declaration decl)
void	putStylesheetDocument(DocumentURI key, XSLStylesheet module) Add a module to the cache
void	setCollation(String name, StringCollator collation) Register a named collation (actually a StringCollator)
void	setNeedsDynamicOutputProperties(boolean b) Say that this stylesheet needs dynamic output properties
void	setPreparedStylesheet(PreparedStylesheet preparedStylesheet)
void	setVersion(String version) Set the value of the version attribute on the xsl:stylesheet element of the principal stylesheet module
boolean	stripsWhitespace() Determine whether this stylesheet does any whitespace stripping

Methods inherited from class net.sf.saxon.style.StylesheetModule

getImporter, getInputTypeAnnotations, getMinImportPrecedence, getPrecedence, getSourceElement, setImporter, setInputTypeAnnotations, setMinImportPrecedence, setWasIncluded, spliceIncludes

Methods inherited from class java.lang.Object

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

Constructor Detail

PrincipalStylesheetModule

public PrincipalStylesheetModule(XSLStylesheet sourceElement,
                         int precedence)

Method Detail

setPreparedStylesheet

public void setPreparedStylesheet(PreparedStylesheet preparedStylesheet)

getPreparedStylesheet

public PreparedStylesheet getPreparedStylesheet()

getPrincipalStylesheetModule

public PrincipalStylesheetModule getPrincipalStylesheetModule()

Overrides:

getPrincipalStylesheetModule in class StylesheetModule

createFunctionLibrary

public FunctionLibraryList createFunctionLibrary(CompilerInfo info)

Create the function library

Returns:

the resulting function library

getFunctionLibrary

public FunctionLibrary getFunctionLibrary()

Get the function library. Available only on the principal stylesheet module

Returns:

the function library

declareXQueryFunction

public void declareXQueryFunction(XQueryFunction function)
                           throws XPathException

Declare an imported XQuery function

Parameters:

function - the imported function

Throws:

XPathException - if an error occurs

putStylesheetDocument

public void putStylesheetDocument(DocumentURI key,
                         XSLStylesheet module)

Add a module to the cache

Parameters:

key - the key to be used (based on the absolute URI)

module - the stylesheet document tree corresponding to this absolute URI

getStylesheetDocument

public XSLStylesheet getStylesheetDocument(DocumentURI key)

Get a module from the cache

Parameters:

key - the key to be used (based on the absolute URI)

Returns:

the stylesheet document tree corresponding to this absolute URI

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 - if errors are found in the stylesheet

processAllAttributes

public void processAllAttributes()
                          throws XPathException

Process the attributes of every node in the stylesheet

Throws:

XPathException - if static errors are found in the stylesheet

indexFunction

protected void indexFunction(Declaration decl)
                      throws XPathException

Add a stylesheet function to the index

Parameters:

decl - The declaration wrapping an XSLFunction object

Throws:

XPathException - if errors are found

getFunctionDeclaration

protected Declaration getFunctionDeclaration(StructuredQName name,
                                 int arity)

getFunction

protected XSLFunction getFunction(StructuredQName name,
                      int arity)

Get the function with a given name and arity

Parameters:

name - the name of the function

arity - the arity of the function, or -1 if any arity will do

Returns:

the requested function, or null if none can be found

putFunction

protected void putFunction(Declaration decl)

indexVariableDeclaration

protected void indexVariableDeclaration(Declaration decl)
                                 throws XPathException

Index a global xsl:variable or xsl:param element

Parameters:

decl - The Declaration referencing the XSLVariable or XSLParam element

Throws:

XPathException - if an error occurs

getGlobalVariable

public SourceBinding 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, or null if it does not exist

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

indexNamedTemplate

protected void indexNamedTemplate(Declaration decl)
                           throws XPathException

Add a named template to the index

Parameters:

decl - the declaration of the Template object

Throws:

XPathException - if an error occurs

getNamedTemplate

public XSLTemplate getNamedTemplate(StructuredQName name)

Get the named template with a given name

Parameters:

name - the name of the required template

Returns:

the template with the given name, if there is one, or null otherwise. If there are several templates with the same name, the one with highest import precedence is returned.

addNamespaceAlias

protected void addNamespaceAlias(Declaration node)

getNamespaceAlias

protected NamespaceBinding getNamespaceAlias(String uri)

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:

uri - The uri used in the stylesheet.

Returns:

The namespace binding to be used (prefix and uri): return null if no alias is defined

isAliasResultNamespace

protected boolean isAliasResultNamespace(String uri)

Determine if a namespace is included in the result-prefix of a namespace-alias

Parameters:

uri - the namespace URI

Returns:

true if an xsl:namespace-alias has been defined for this namespace URI

hasNamespaceAliases

protected boolean hasNamespaceAliases()

getCollationMap

public CollationMap getCollationMap()

Get the collation map

Returns:

the CollationMap

setCollation

public void setCollation(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

public StringCollator findCollation(String name,
                           String baseURI)

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

baseURI - the base URI to be used for resolving the collation name if it is relative

Returns:

null if the collation is not found

gatherOutputProperties

public 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

compileStylesheet

public void compileStylesheet()
                       throws XPathException

Compile the stylesheet to create an executable.

Throws:

XPathException - if compilation fails for any reason

isImportedSchema

protected boolean isImportedSchema(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(String targetNamespace)

getImportedSchemaTable

protected HashSet<String> getImportedSchemaTable()

getAttributeSets

protected boolean getAttributeSets(StructuredQName name,
                       List<Declaration> list)
                            throws XPathException

Get the list of attribute-set declarations associated with a given QName. This is used for xsl:element, xsl:copy, xsl:attribute-set, and on literal result elements

Parameters:

name - the name of the required attribute set

list - a list to hold the list of XSLAttributeSet elements in the stylesheet tree.

Returns:

true if any declarations were found and added to the list; false if none were found

Throws:

XPathException - if an error occurs

stripsWhitespace

public boolean stripsWhitespace()

Determine whether this stylesheet does any whitespace stripping

Returns:

true if this stylesheet strips whitespace from source documents

setVersion

public void setVersion(String version)

Set the value of the version attribute on the xsl:stylesheet element of the principal stylesheet module

Parameters:

version - the value of the version attribute

getVersion

public String getVersion()

Get the value of the version attribute on the xsl:stylesheet element of the principal stylesheet module

Returns:

the value of the version attribute

setNeedsDynamicOutputProperties

public void setNeedsDynamicOutputProperties(boolean b)

Say that this stylesheet needs dynamic output properties

Parameters:

b - true if this stylesheet needs dynamic output properties

getCharacterMap

public Declaration 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

allocatePatternSlots

public void allocatePatternSlots(int n)

Ensure there is enough space for local variables or parameters when evaluating the match pattern of template rules

Parameters:

n - the number of slots to be allocated

compileError

protected void compileError(String message,
                String errorCode)
                     throws XPathException

Compile time error, specifying an error code

Parameters:

message - the error message

errorCode - the error code. May be null if not known or not defined

Throws:

XPathException - unconditionally

compileError

protected void compileError(XPathException error)
                     throws XPathException

Report an error with diagnostic information

Parameters:

error - contains information about the error

Throws:

XPathException - unconditionally, after reporting the error to the ErrorListener