OpenJDK 27 · com.sun.org.apache.xpath.internal.compiler.Lexer

Field Summary

Modifier and Type	Field and Description
private boolean	isLiteral
private Compiler	m_compiler The target XPath.
private int	m_grpCount
private int	m_grpCountLimit
pack-priv PrefixResolver	m_namespaceContext The prefix resolver to map prefixes to namespaces in the XPath.
private int	m_opCount
private int	m_opCountLimit
private int[]	m_patternMap Ignore this, it is going away.
private int	m_patternMapSize Ignore this, it is going away.
pack-priv XPathParser	m_processor The XPath processor object.
pack-priv XMLSecurityManager	m_xmlSecMgr
pack-priv static final int	TARGETEXTRA This value is added to each element name in the TARGETEXTRA that is a 'target' (right-most top-level element name).

Constructor Summary

Access	Constructor and Description
pack-priv	Lexer(Compiler The owning compiler for this lexer. compiler, PrefixResolver The prefix resolver for mapping qualified name prefixes to namespace URIs. resolver, XPathParser The parser that is processing strings to opcodes. xpathProcessor, XMLSecurityManager the XML security manager xmlSecMgr) Create a Lexer object.

Method Summary

Modifier and Type	Method and Description
private final void	addToTokenQueue(String The token. s) Add a token to the token queue.
pack-priv final int	Returns: An opcode value. getKeywordToken(String The keyword. key) Given a string, return the corresponding keyword token.
private int	Returns: the token queue position. getTokenQueuePosFromMap(int The index in the m_patternMap. i) Given a map pos, return the corresponding token queue pos.
private void	incrementCount()
private int	Returns: -1 always. mapNSTokens(String The XPath name string. pat, int The start of the name string. startSubstring, int The position of the namespace seperator (':'). posOfNSSep, int The end of the name index. posOfScan) When a seperator token is found, see if there's a element name or the like to map.
private boolean	Returns: true if this is the start of a pattern. mapPatternElemPos(int The nesting count for the pattern element. nesting, boolean true if this is the start of a pattern. isStart, boolean true if we have determined that this is an attribute name. isAttrName) Record the current position on the token queue as long as this is a top-level element.
private char	Returns: the next char peekNext(String the input string s, int the current index index) Peeks at the next character without advancing the index.
private void	recordTokenString(List<String> a list of strings. targetStrings) Record the current token in the passed vector.
private final void	resetTokenMark(int The new position. mark) Reset token queue mark and m_token to a given position.
pack-priv void	tokenize(String XSLT Expression. pat) Walk through the expression and build a token queue, and a map of the top-level elements.
pack-priv void	tokenize(String XSLT Expression. pat, List<String> a list to hold Strings, may be null. targetStrings) Walk through the expression and build a token queue, and a map of the top-level elements.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

isLiteral	back to summary
private boolean isLiteral

m_compiler	back to summary
private Compiler m_compiler The target XPath.

m_grpCount	back to summary
private int m_grpCount

m_grpCountLimit	back to summary
private int m_grpCountLimit

m_namespaceContext	back to summary
pack-priv PrefixResolver m_namespaceContext The prefix resolver to map prefixes to namespaces in the XPath.

m_opCount	back to summary
private int m_opCount

m_opCountLimit	back to summary
private int m_opCountLimit

m_patternMap	back to summary
private int[] m_patternMap Ignore this, it is going away. This holds a map to the m_tokenQueue that tells where the top-level elements are. It is used for pattern matching so the m_tokenQueue can be walked backwards. Each element that is a 'target', (right-most top level element name) has TARGETEXTRA added to it.

m_patternMapSize	back to summary
private int m_patternMapSize Ignore this, it is going away. The number of elements that m_patternMap maps;

m_processor	back to summary
pack-priv XPathParser m_processor The XPath processor object.

m_xmlSecMgr	back to summary
pack-priv XMLSecurityManager m_xmlSecMgr

TARGETEXTRA	back to summary
pack-priv static final int TARGETEXTRA This value is added to each element name in the TARGETEXTRA that is a 'target' (right-most top-level element name).

Constructor Detail

Lexer	back to summary
pack-priv Lexer(Compiler compiler, PrefixResolver resolver, XPathParser xpathProcessor, XMLSecurityManager xmlSecMgr) Create a Lexer object. Parameters compiler:Compiler The owning compiler for this lexer. resolver:PrefixResolver The prefix resolver for mapping qualified name prefixes to namespace URIs. xpathProcessor:XPathParser The parser that is processing strings to opcodes. xmlSecMgr:XMLSecurityManager the XML security manager

Lexer

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pack-priv Lexer(Compiler compiler, PrefixResolver resolver, XPathParser xpathProcessor, XMLSecurityManager xmlSecMgr)

Create a Lexer object.

Parameters

compiler:Compiler: The owning compiler for this lexer.
resolver:PrefixResolver: The prefix resolver for mapping qualified name prefixes to namespace URIs.
xpathProcessor:XPathParser: The parser that is processing strings to opcodes.
xmlSecMgr:XMLSecurityManager: the XML security manager

Method Detail

addToTokenQueue	back to summary
private final void addToTokenQueue(String s) Add a token to the token queue. Parameters s:String The token.

addToTokenQueue

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private final void addToTokenQueue(String s)

Add a token to the token queue.

Parameters

s:String: The token.

getKeywordToken	back to summary
pack-priv final int getKeywordToken(String key) Given a string, return the corresponding keyword token. Parameters key:String The keyword. Returns:int An opcode value.

getKeywordToken

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pack-priv final int getKeywordToken(String key)

Given a string, return the corresponding keyword token.

Parameters

key:String: The keyword.

Returns:int

An opcode value.

getTokenQueuePosFromMap	back to summary
private int getTokenQueuePosFromMap(int i) Given a map pos, return the corresponding token queue pos. Parameters i:int The index in the m_patternMap. Returns:int the token queue position.

getTokenQueuePosFromMap

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private int getTokenQueuePosFromMap(int i)

Given a map pos, return the corresponding token queue pos.

Parameters

i:int: The index in the m_patternMap.

Returns:int

the token queue position.

incrementCount	back to summary
private void incrementCount()

mapNSTokens	back to summary
private int mapNSTokens(String pat, int startSubstring, int posOfNSSep, int posOfScan) throws TransformerException When a seperator token is found, see if there's a element name or the like to map. Parameters pat:String The XPath name string. startSubstring:int The start of the name string. posOfNSSep:int The position of the namespace seperator (':'). posOfScan:int The end of the name index. Returns:int -1 always.

mapNSTokens

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private int mapNSTokens(String pat, int startSubstring, int posOfNSSep, int posOfScan) throws TransformerException

When a seperator token is found, see if there's a element name or the like to map.

Parameters

pat:String: The XPath name string.
startSubstring:int: The start of the name string.
posOfNSSep:int: The position of the namespace seperator (':').
posOfScan:int: The end of the name index.

Returns:int

-1 always.

mapPatternElemPos	back to summary
private boolean mapPatternElemPos(int nesting, boolean isStart, boolean isAttrName) Record the current position on the token queue as long as this is a top-level element. Must be called before the next token is added to the m_tokenQueue. Parameters nesting:int The nesting count for the pattern element. isStart:boolean true if this is the start of a pattern. isAttrName:boolean true if we have determined that this is an attribute name. Returns:boolean true if this is the start of a pattern.

mapPatternElemPos

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private boolean mapPatternElemPos(int nesting, boolean isStart, boolean isAttrName)

Record the current position on the token queue as long as this is a top-level element. Must be called before the next token is added to the m_tokenQueue.

Parameters

nesting:int: The nesting count for the pattern element.
isStart:boolean: true if this is the start of a pattern.
isAttrName:boolean: true if we have determined that this is an attribute name.

Returns:boolean

true if this is the start of a pattern.

peekNext	back to summary
private char peekNext(String s, int index) Peeks at the next character without advancing the index. Parameters s:String the input string index:int the current index Returns:char the next char

peekNext

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private char peekNext(String s, int index)

Peeks at the next character without advancing the index.

Parameters

s:String: the input string
index:int: the current index

Returns:char

the next char

recordTokenString	back to summary
private void recordTokenString(List<String> targetStrings) Record the current token in the passed vector. Parameters targetStrings:List<String> a list of strings.

recordTokenString

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private void recordTokenString(List<String> targetStrings)

Record the current token in the passed vector.

Parameters

targetStrings:List<String>: a list of strings.

resetTokenMark	back to summary
private final void resetTokenMark(int mark) Reset token queue mark and m_token to a given position. Parameters mark:int The new position.

resetTokenMark

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private final void resetTokenMark(int mark)

Reset token queue mark and m_token to a given position.

Parameters

mark:int: The new position.

tokenize	back to summary
pack-priv void tokenize(String pat) throws TransformerException Walk through the expression and build a token queue, and a map of the top-level elements. Parameters pat:String XSLT Expression.

tokenize

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pack-priv void tokenize(String pat) throws TransformerException

Walk through the expression and build a token queue, and a map of the top-level elements.

Parameters

pat:String: XSLT Expression.

tokenize	back to summary
pack-priv void tokenize(String pat, List<String> targetStrings) throws TransformerException Walk through the expression and build a token queue, and a map of the top-level elements. Parameters pat:String XSLT Expression. targetStrings:List<String> a list to hold Strings, may be null. Annotations @SuppressWarnings:fallthrough

tokenize

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pack-priv void tokenize(String pat, List<String> targetStrings) throws TransformerException

Walk through the expression and build a token queue, and a map of the top-level elements.

Parameters

pat:String: XSLT Expression.
targetStrings:List<String>: a list to hold Strings, may be null.

Annotations

@SuppressWarnings:fallthrough

pack-priv Class Lexer

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