org.apache.xalan.xsltc.compiler

Class Parser

java.lang.Object

org.apache.xalan.xsltc.compiler.Parser

All Implemented Interfaces:

org.apache.bcel.generic.InstructionConstants, Constants, ContentHandler

public class Parser
extends Object
implements Constants, ContentHandler

Author:

Jacek Ambroziak, Santiago Pericas-Geertsen, G. Todd Miller, Morten Jorgensen, Erwin Bolwidt

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.bcel.generic.InstructionConstants

org.apache.bcel.generic.InstructionConstants.Clinit

Field Summary

Fields inherited from interface org.apache.xalan.xsltc.compiler.Constants

ABSOLUTE_ITERATOR, ACC_FINAL, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_SUPER, ADD_ATTRIBUTE, ADD_ATTRIBUTE_SIG, ADD_ITERATOR, ADD_ITERATOR_SIG, ADD_PARAMETER, ADD_PARAMETER_SIG, APPLY_TEMPLATES, ATTR_SET_SIG, ATTRIBUTE_LIST_FIELD, ATTRIBUTE_LIST_IMPL_CLASS, ATTRIBUTE_LIST_IMPL_SIG, ATTRIBUTES_SIG, BASIS_LIBRARY_CLASS, BOOLEAN_CLASS, BOOLEAN_VALUE, BOOLEAN_VALUE_SIG, CACHED_NODE_LIST_ITERATOR_CLASS, CHARACTERS, CHARACTERS_SIG, CHARACTERSW, CHARACTERSW_SIG, CLEAR_ATTRIBUTES, CLEAR_ATTRIBUTES_SIG, COLLATOR_CLASS, COLLATOR_SIG, COMPILER_PACKAGE, CURRENT_NODE_LIST_FILTER, CURRENT_NODE_LIST_FILTER_SIG, CURRENT_NODE_LIST_ITERATOR, CURRENT_NODE_LIST_ITERATOR_SIG, DEFAULT_NODE_COUNTER, DEFAULT_NODE_COUNTER_SIG, DOCUMENT_PNAME, DOM_ADAPTER_CLASS, DOM_ADAPTER_SIG, DOM_FIELD, DOM_IMPL, DOM_IMPL_CLASS, DOM_IMPL_SIG, DOM_INTF, DOM_INTF_SIG, DOM_PNAME, DOUBLE_CLASS, DOUBLE_SIG, DOUBLE_VALUE, DOUBLE_VALUE_SIG, DUP_FILTERED_ITERATOR, EMPTYATTR_FIELD, EMPTYSTRING, ERROR, EXPAND_STYLESHEET_QNAME_REF, EXPAND_STYLESHEET_QNAME_SIG, FALLBACK_CLASS, FATAL, FILTER_INTERFACE, FILTER_INTERFACE_SIG, FILTER_ITERATOR, FILTER_STEP_ITERATOR, FORMAT_SYMBOLS_FIELD, GET_ATTRIBUTE_VALUE, GET_ATTRIBUTE_VALUE_SIG, GET_CHILDREN, GET_CHILDREN_SIG, GET_ELEMENT_VALUE, GET_ELEMENT_VALUE_SIG, GET_ITERATOR_SIG, GET_NODE_NAME, GET_NODE_NAME_SIG, GET_NODE_TYPE, GET_NODE_TYPE_SIG, GET_NODE_VALUE, GET_NODE_VALUE_ITERATOR, GET_NODE_VALUE_ITERATOR_SIG, GET_NODE_VALUE_SIG, GET_PARAMETER, GET_PARAMETER_SIG, GET_PARENT, GET_PARENT_SIG, GET_TYPED_CHILDREN, GET_TYPED_CHILDREN_SIG, GET_UNPARSED_ENTITY_URI, GET_UNPARSED_ENTITY_URI_SIG, HAS_ATTRIBUTE, HAS_ATTRIBUTE_SIG, HASIDCALL_INDEX, HASIDCALL_INDEX_SIG, INT_VALUE, INT_VALUE_SIG, INTEGER_CLASS, INTEGER_SIG, INTERNAL, INVOKE_METHOD, ITERATOR_FIELD_SIG, ITERATOR_PNAME, KEY_INDEX_CLASS, KEY_INDEX_ITERATOR_SIG, KEY_INDEX_SIG, LAST_INDEX, LOAD_DOCUMENT_CLASS, LOCALE_CLASS, LOCALE_SIG, LOOKUP_STYLESHEET_QNAME_NS_REF, LOOKUP_STYLESHEET_QNAME_NS_SIG, MAKE_NODE, MAKE_NODE_LIST, MAKE_NODE_LIST_SIG, MAKE_NODE_LIST_SIG2, MAKE_NODE_SIG, MAKE_NODE_SIG2, MATCHING_ITERATOR, MATH_CLASS, MULTI_DOM_CLASS, MULTI_DOM_SIG, NAMES_INDEX, NAMES_INDEX_SIG, NAMESPACE_FEATURE, NAMESPACE_INDEX, NAMESPACE_INDEX_SIG, NEXT, NEXT_SIG, NEXTID, NODE, NODE_COUNTER, NODE_COUNTER_SIG, NODE_FIELD, NODE_FIELD_SIG, NODE_ITERATOR, NODE_ITERATOR_BASE, NODE_ITERATOR_SIG, NODE_PNAME, NODE_SIG, NODE_SORT_FACTORY, NODE_SORT_FACTORY_SIG, NODE_SORT_RECORD, NODE_SORT_RECORD_SIG, NS_ANCESTORS_INDEX_SIG, NTH_ITERATOR_CLASS, OBJECT_CLASS, OBJECT_SIG, ORDER_ITERATOR, ORDER_ITERATOR_SIG, OUTPUT_BASE, OUTPUT_HANDLER, OUTPUT_HANDLER_SIG, POP_PARAM_FRAME, POP_PARAM_FRAME_SIG, POSITION_INDEX, PREFIX_URIS_ARRAY_SIG, PREFIX_URIS_IDX_SIG, PUSH_PARAM_FRAME, PUSH_PARAM_FRAME_SIG, REDIRECT_URI, RESET, RESET_SIG, RTF_INITIAL_SIZE, RUNTIME_NODE_CLASS, RUNTIME_PACKAGE, SAX_IMPL, SAX_IMPL_CLASS, SAX_IMPL_SIG, SET_START_NODE, SET_START_NODE_SIG, SINGLETON_ITERATOR, SORT_ITERATOR, SORT_ITERATOR_SIG, STATIC_CHAR_DATA_FIELD, STATIC_CHAR_DATA_FIELD_SIG, STATIC_NAMES_ARRAY_FIELD, STATIC_NAMESPACE_ARRAY_FIELD, STATIC_NS_ANCESTORS_ARRAY_FIELD, STATIC_PREFIX_URIS_ARRAY_FIELD, STATIC_PREFIX_URIS_IDX_ARRAY_FIELD, STATIC_TYPES_ARRAY_FIELD, STATIC_URIS_ARRAY_FIELD, STEP_ITERATOR_CLASS, STREAM_XML_OUTPUT, STRING, STRING_BUFFER_CLASS, STRING_BUFFER_SIG, STRING_CLASS, STRING_SIG, STRING_TO_INT, STRING_TO_INT_SIG, STRING_TO_REAL, STRING_TO_REAL_SIG, STRING_VALUE_HANDLER, STRING_VALUE_HANDLER_SIG, STRING_WRITER, STRIP_SPACE, STRIP_SPACE_INTF, STRIP_SPACE_PARAMS, STRIP_SPACE_SIG, TRANSLET_CLASS, TRANSLET_FIELD, TRANSLET_FIELD_SIG, TRANSLET_INTF, TRANSLET_INTF_SIG, TRANSLET_OUTPUT_BASE, TRANSLET_OUTPUT_INTERFACE, TRANSLET_OUTPUT_PNAME, TRANSLET_OUTPUT_SIG, TRANSLET_PNAME, TRANSLET_SIG, TRANSLET_URI, TRANSLET_VERSION_INDEX, TRANSLET_VERSION_INDEX_SIG, TYPES_INDEX, TYPES_INDEX_SIG, UNION_ITERATOR_CLASS, UNION_ITERATOR_SIG, UNSUPPORTED, URIS_INDEX, URIS_INDEX_SIG, WARNING, WRITER_SIG, XHTML_URI, XMLNS_PREFIX, XMLNS_STRING, XMLNS_URI, XSLT_PACKAGE, XSLT_URI

Fields inherited from interface org.apache.bcel.generic.InstructionConstants

AALOAD, AASTORE, ACONST_NULL, ALOAD_0, ALOAD_1, ALOAD_2, ARETURN, ARRAYLENGTH, ASTORE_0, ASTORE_1, ASTORE_2, ATHROW, BALOAD, BASTORE, bla, CALOAD, CASTORE, D2F, D2I, D2L, DADD, DALOAD, DASTORE, DCMPG, DCMPL, DCONST_0, DCONST_1, DDIV, DMUL, DNEG, DREM, DRETURN, DSUB, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, F2D, F2I, F2L, FADD, FALOAD, FASTORE, FCMPG, FCMPL, FCONST_0, FCONST_1, FCONST_2, FDIV, FMUL, FNEG, FREM, FRETURN, FSUB, I2B, I2C, I2D, I2F, I2L, I2S, IADD, IALOAD, IAND, IASTORE, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, ICONST_M1, IDIV, ILOAD_0, ILOAD_1, ILOAD_2, IMUL, INEG, INSTRUCTIONS, IOR, IREM, IRETURN, ISHL, ISHR, ISTORE_0, ISTORE_1, ISTORE_2, ISUB, IUSHR, IXOR, L2D, L2F, L2I, LADD, LALOAD, LAND, LASTORE, LCMP, LCONST_0, LCONST_1, LDIV, LMUL, LNEG, LOR, LREM, LRETURN, LSHL, LSHR, LSUB, LUSHR, LXOR, MONITORENTER, MONITOREXIT, NOP, POP, POP2, RETURN, SALOAD, SASTORE, SWAP, THIS

Constructor Summary

Constructors

Constructor and Description
Parser(XSLTC xsltc)

Method Summary

Modifier and Type	Method and Description
void	addParameter(org.apache.xalan.xsltc.compiler.Param param)
void	addVariable(org.apache.xalan.xsltc.compiler.Variable var)
void	characters(char[] ch, int start, int length) SAX2: Receive notification of character data.
void	createAST(Stylesheet stylesheet) Instanciates a SAX2 parser and generate the AST from the input.
boolean	elementSupported(String namespace, String localName)
void	endDocument() SAX2: Receive notification of the end of a document.
void	endElement(String uri, String localname, String qname) SAX2: Receive notification of the end of an element.
void	endPrefixMapping(String prefix) SAX2: End the scope of a prefix-URI Namespace mapping.
boolean	errorsFound() Returns true if there were any errors during compilation
boolean	functionSupported(String fname)
int	getCurrentImportPrecedence()
Stylesheet	getCurrentStylesheet()
SyntaxTreeNode	getDocumentRoot()
Vector	getErrors()
org.apache.xalan.xsltc.compiler.QName	getExcludeResultPrefixes()
org.apache.xalan.xsltc.compiler.QName	getExtensionElementPrefixes()
int	getNextImportPrecedence()
org.apache.xalan.xsltc.compiler.Output	getOutput()
Properties	getOutputProperties()
org.apache.xalan.xsltc.compiler.QName	getQName(org.apache.xalan.xsltc.compiler.QName scope, org.apache.xalan.xsltc.compiler.QName name)
org.apache.xalan.xsltc.compiler.QName	getQName(String stringRep)
org.apache.xalan.xsltc.compiler.QName	getQName(String stringRep, boolean reportError)
org.apache.xalan.xsltc.compiler.QName	getQName(String scope, String name)
org.apache.xalan.xsltc.compiler.QName	getQName(String namespace, String prefix, String localname)
org.apache.xalan.xsltc.compiler.QName	getQNameIgnoreDefaultNs(String stringRep)
org.apache.xalan.xsltc.compiler.QName	getQNameSafe(String stringRep)
org.apache.xalan.xsltc.compiler.SymbolTable	getSymbolTable()
Template	getTemplate()
int	getTemplateIndex()
Stylesheet	getTopLevelStylesheet()
org.apache.xalan.xsltc.compiler.QName	getUseAttributeSets()
Vector	getWarnings()
XSLTC	getXSLTC()
void	ignorableWhitespace(char[] ch, int start, int length) IGNORED - all ignorable whitespace is ignored
void	init()
org.apache.xalan.xsltc.compiler.VariableBase	lookupVariable(org.apache.xalan.xsltc.compiler.QName name)
SyntaxTreeNode	makeInstance(String uri, String prefix, String local, Attributes attributes)
Stylesheet	makeStylesheet(SyntaxTreeNode element) Create an instance of the Stylesheet class, and then parse, typecheck and compile the instance.
SyntaxTreeNode	parse(InputSource input) Parses a stylesheet and builds the internal abstract syntax tree
SyntaxTreeNode	parse(XMLReader reader, InputSource input) Parses a stylesheet and builds the internal abstract syntax tree
org.apache.xalan.xsltc.compiler.Expression	parseExpression(SyntaxTreeNode parent, String exp) Parse an XPath expression:
org.apache.xalan.xsltc.compiler.Expression	parseExpression(SyntaxTreeNode parent, String attr, String def) Parse an XPath expression:
Pattern	parsePattern(SyntaxTreeNode parent, String pattern) Parse an XPath pattern:
Pattern	parsePattern(SyntaxTreeNode parent, String attr, String def) Parse an XPath pattern:
void	printErrors() Prints all compile-time errors
void	printWarnings() Prints all compile-time warnings
void	processingInstruction(String name, String value) SAX2: Receive notification of a processing instruction.
void	removeVariable(org.apache.xalan.xsltc.compiler.QName name)
void	reportError(int category, ErrorMsg error) Common error/warning message handler
void	setCurrentStylesheet(Stylesheet stylesheet)
void	setDocumentLocator(Locator locator) Store the document locator to later retrieve line numbers of all elements from the stylesheet
void	setOutput(org.apache.xalan.xsltc.compiler.Output output)
protected void	setPIParameters(String media, String title, String charset) Set the parameters to use to locate the correct processing instruction in the case where the input document is an XML document with one or more references to a stylesheet.
void	setTemplate(Template template)
void	setXSLTC(XSLTC xsltc)
void	skippedEntity(String name) IGNORED - we do not have to do anything with skipped entities
void	startDocument() SAX2: Receive notification of the beginning of a document.
void	startElement(String uri, String localname, String qname, Attributes attributes) SAX2: Receive notification of the beginning of an element.
void	startPrefixMapping(String prefix, String uri) SAX2: Begin the scope of a prefix-URI Namespace mapping.

Methods inherited from class java.lang.Object

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

Constructor Detail

Parser

public Parser(XSLTC xsltc)

Method Detail

init

public void init()

setOutput

public void setOutput(org.apache.xalan.xsltc.compiler.Output output)

getOutput

public org.apache.xalan.xsltc.compiler.Output getOutput()

getOutputProperties

public Properties getOutputProperties()

addVariable

public void addVariable(org.apache.xalan.xsltc.compiler.Variable var)

addParameter

public void addParameter(org.apache.xalan.xsltc.compiler.Param param)

removeVariable

public void removeVariable(org.apache.xalan.xsltc.compiler.QName name)

lookupVariable

public org.apache.xalan.xsltc.compiler.VariableBase lookupVariable(org.apache.xalan.xsltc.compiler.QName name)

setXSLTC

public void setXSLTC(XSLTC xsltc)

getXSLTC

public XSLTC getXSLTC()

getCurrentImportPrecedence

public int getCurrentImportPrecedence()

getNextImportPrecedence

public int getNextImportPrecedence()

setCurrentStylesheet

public void setCurrentStylesheet(Stylesheet stylesheet)

getCurrentStylesheet

public Stylesheet getCurrentStylesheet()

getTopLevelStylesheet

public Stylesheet getTopLevelStylesheet()

getQNameSafe

public org.apache.xalan.xsltc.compiler.QName getQNameSafe(String stringRep)

getQName

public org.apache.xalan.xsltc.compiler.QName getQName(String stringRep)

getQNameIgnoreDefaultNs

public org.apache.xalan.xsltc.compiler.QName getQNameIgnoreDefaultNs(String stringRep)

getQName

public org.apache.xalan.xsltc.compiler.QName getQName(String stringRep,
                                                      boolean reportError)

getQName

public org.apache.xalan.xsltc.compiler.QName getQName(String namespace,
                                                      String prefix,
                                                      String localname)

getQName

public org.apache.xalan.xsltc.compiler.QName getQName(String scope,
                                                      String name)

getQName

public org.apache.xalan.xsltc.compiler.QName getQName(org.apache.xalan.xsltc.compiler.QName scope,
                                                      org.apache.xalan.xsltc.compiler.QName name)

getUseAttributeSets

public org.apache.xalan.xsltc.compiler.QName getUseAttributeSets()

getExtensionElementPrefixes

public org.apache.xalan.xsltc.compiler.QName getExtensionElementPrefixes()

getExcludeResultPrefixes

public org.apache.xalan.xsltc.compiler.QName getExcludeResultPrefixes()

makeStylesheet

public Stylesheet makeStylesheet(SyntaxTreeNode element)
                          throws CompilerException

Create an instance of the Stylesheet class, and then parse, typecheck and compile the instance. Must be called after parse().

Throws:

CompilerException

createAST

public void createAST(Stylesheet stylesheet)

Instanciates a SAX2 parser and generate the AST from the input.

parse

public SyntaxTreeNode parse(XMLReader reader,
                            InputSource input)

Parses a stylesheet and builds the internal abstract syntax tree

Parameters:

reader - A SAX2 SAXReader (parser)

input - A SAX2 InputSource can be passed to a SAX reader

Returns:

The root of the abstract syntax tree

parse

public SyntaxTreeNode parse(InputSource input)

Parses a stylesheet and builds the internal abstract syntax tree

Parameters:

input - A SAX2 InputSource can be passed to a SAX reader

Returns:

The root of the abstract syntax tree

getDocumentRoot

public SyntaxTreeNode getDocumentRoot()

setPIParameters

protected void setPIParameters(String media,
                               String title,
                               String charset)

Set the parameters to use to locate the correct processing instruction in the case where the input document is an XML document with one or more references to a stylesheet.

Parameters:

media - The media attribute to be matched. May be null, in which case the prefered templates will be used (i.e. alternate = no).

title - The value of the title attribute to match. May be null.

charset - The value of the charset attribute to match. May be null.

elementSupported

public boolean elementSupported(String namespace,
                                String localName)

functionSupported

public boolean functionSupported(String fname)

getSymbolTable

public org.apache.xalan.xsltc.compiler.SymbolTable getSymbolTable()

getTemplate

public Template getTemplate()

setTemplate

public void setTemplate(Template template)

getTemplateIndex

public int getTemplateIndex()

makeInstance

public SyntaxTreeNode makeInstance(String uri,
                                   String prefix,
                                   String local,
                                   Attributes attributes)

parseExpression

public org.apache.xalan.xsltc.compiler.Expression parseExpression(SyntaxTreeNode parent,
                                                                  String exp)

Parse an XPath expression:

Parameters:

parent - - XSL element where the expression occured

exp - - textual representation of the expression

parseExpression

public org.apache.xalan.xsltc.compiler.Expression parseExpression(SyntaxTreeNode parent,
                                                                  String attr,
                                                                  String def)

Parse an XPath expression:

Parameters:

parent - - XSL element where the expression occured

attr - - name of this element's attribute to get expression from

def - - default expression (if the attribute was not found)

parsePattern

public Pattern parsePattern(SyntaxTreeNode parent,
                            String pattern)

Parse an XPath pattern:

Parameters:

parent - - XSL element where the pattern occured

pattern - - textual representation of the pattern

parsePattern

public Pattern parsePattern(SyntaxTreeNode parent,
                            String attr,
                            String def)

Parse an XPath pattern:

Parameters:

parent - - XSL element where the pattern occured

attr - - name of this element's attribute to get pattern from

def - - default pattern (if the attribute was not found)

errorsFound

public boolean errorsFound()

Returns true if there were any errors during compilation

printErrors

public void printErrors()

Prints all compile-time errors

printWarnings

public void printWarnings()

Prints all compile-time warnings

reportError

public void reportError(int category,
                        ErrorMsg error)

Common error/warning message handler

getErrors

public Vector getErrors()

getWarnings

public Vector getWarnings()

startDocument

public void startDocument()

SAX2: Receive notification of the beginning of a document.

Specified by:

startDocument in interface ContentHandler

endDocument

public void endDocument()

SAX2: Receive notification of the end of a document.

Specified by:

endDocument in interface ContentHandler

startPrefixMapping

public void startPrefixMapping(String prefix,
                               String uri)

SAX2: Begin the scope of a prefix-URI Namespace mapping. This has to be passed on to the symbol table!

Specified by:

startPrefixMapping in interface ContentHandler

endPrefixMapping

public void endPrefixMapping(String prefix)

SAX2: End the scope of a prefix-URI Namespace mapping. This has to be passed on to the symbol table!

Specified by:

endPrefixMapping in interface ContentHandler

startElement

public void startElement(String uri,
                         String localname,
                         String qname,
                         Attributes attributes)
                  throws SAXException

SAX2: Receive notification of the beginning of an element. The parser may re-use the attribute list that we're passed so we clone the attributes in our own Attributes implementation

Specified by:

startElement in interface ContentHandler

Throws:

SAXException

endElement

public void endElement(String uri,
                       String localname,
                       String qname)

SAX2: Receive notification of the end of an element.

Specified by:

endElement in interface ContentHandler

characters

public void characters(char[] ch,
                       int start,
                       int length)

SAX2: Receive notification of character data.

Specified by:

characters in interface ContentHandler

processingInstruction

public void processingInstruction(String name,
                                  String value)

SAX2: Receive notification of a processing instruction. These require special handling for stylesheet PIs.

Specified by:

processingInstruction in interface ContentHandler

ignorableWhitespace

public void ignorableWhitespace(char[] ch,
                                int start,
                                int length)

IGNORED - all ignorable whitespace is ignored

Specified by:

ignorableWhitespace in interface ContentHandler

skippedEntity

public void skippedEntity(String name)

IGNORED - we do not have to do anything with skipped entities

Specified by:

skippedEntity in interface ContentHandler

setDocumentLocator

public void setDocumentLocator(Locator locator)

Store the document locator to later retrieve line numbers of all elements from the stylesheet

Specified by:

setDocumentLocator in interface ContentHandler