Package net.sf.saxon.expr
Class Token
- java.lang.Object
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- net.sf.saxon.expr.Token
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public abstract class Token extends java.lang.Object
This class holds static constants and methods defining the lexical tokens used in XPath and XQuery, and associated keywords.
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Field Summary
Fields Modifier and Type Field Description static int
AFTER
"after"static int
AND
Operator "and"static int
AS
"as" (in XQuery Update rename expression)static int
ASSIGN
":=" symbol (XQuery only)static int
AT
At token, "@"static int
ATTRIBUTE_QNAME
composite token <'attribute' QNAME> (XQuery only)static int
AXIS
Token representing the name of an axis and the following "::" symbolstatic int
BEFORE
"before"static int
CASE
Keyword "case"static int
CAST_AS
operator "cast as"static int
CASTABLE_AS
operator "castable as"static int
COLONCOLON
"::" symbolstatic int
COLONSTAR
":*" symbolstatic int
COMMA
Comma tokenstatic int
COPY
"copy" keywordstatic int
DECLARE_BASEURI
"declare base-uri"static int
DECLARE_BOUNDARY_SPACE
"declare boundary-space"static int
DECLARE_CONSTRUCTION
"declare construction"static int
DECLARE_COPY_NAMESPACES
"declare copy-namespaces"static int
DECLARE_DEFAULT
"declare default"static int
DECLARE_FUNCTION
"declare function"static int
DECLARE_NAMESPACE
"declare namespace"static int
DECLARE_OPTION
"declare option"static int
DECLARE_ORDERING
"declare xmlspace"static int
DECLARE_REVALIDATION
"declare revalidation"static int
DECLARE_UPDATING
"declare updating [function]"static int
DECLARE_VARIABLE
"define variable"static int
DEFAULT
Keyword "default"static int
DELETE_NODE
"delete node/nodes"static int
DIV
Operator "div"static int
DOLLAR
"$" symbolstatic int
DOT
"." symbolstatic int
DOTDOT
".." symbolstatic java.util.HashMap
doubleKeywords
Lookup table for composite (two-keyword) tokensstatic int
ELEMENT_QNAME
composite token <'element' QNAME> (XQuery only)static int
ELSE
Keyword "else"static int
EOF
Pseudo-token representing the end of the expressionstatic int
EQUALS
Equals token ("=")static int
EVERY
Keyword "every"static int
EXCEPT
Operator "except"static int
FEQ
operator "eq"static int
FGE
operator "ge"static int
FGT
operator "gt"static int
FIRST_INTO
"first into"static int
FLE
opeartor "le"static int
FLT
operator "lt"static int
FNE
operator "ne"static int
FOLLOWS
Operator ">>"static int
FOR
"for" keywordstatic int
FUNCTION
Token representing the name of a function and the following "(" symbolstatic int
GE
Operator ">="static int
GT
Operator ">"static int
IDIV
operator "idiv"static int
IF
Keyword "if"static int
IMPORT_MODULE
"import module"static int
IMPORT_SCHEMA
"import schema"static int
IN
Keyword "in"static int
INSERT_NODE
"insert node/nodes"static int
INSTANCE_OF
operator "instance of"static int
INTERSECT
Operator "intersect"static int
INTO
"into"static int
IS
Operator "is"static int
KEYWORD_CURLY
composite token:(XQuery only) static int
LAST_INTO
"last into"static int
LCURLY
"{" symbol (XQuery only)static int
LE
Operator "<="static int
LET
"let" keyword (XQuery only)static int
LPAR
Left parenthesisstatic int
LSQB
Left square bracketstatic int
LT
Operator "<"static int
MINUS
Binary minus operatorstatic int
MOD
Operator "mod"static int
MODIFY
Keyword "modify"static int
MODULE_NAMESPACE
"module namespace"static int
MULT
Multiply operator, "*" when used in an operator contextstatic int
NAME
Name token (a QName, in general)static int
NE
Operator not-equals.static int
NEGATE
Unary minus signstatic int
NODEKIND
Node kind, e.g.static int
NUMBER
Numeric literalstatic int
OR
Operator "or"static int
PI_QNAME
composite token <'pi' QNAME> (XQuery only)static int
PLUS
Operator "+"static int
PRAGMA
A token representing an XQuery pragma.static int
PRECEDES
Operator "<<"static int
PREFIX
"prefix:*" tokenstatic int
QMARK
Question mark symbol.static int
RCURLY
"}" symbol (XQuery only)static int
RENAME_NODE
"rename node"static int
REPLACE_NODE
"replace node/nodes"static int
REPLACE_VALUE
"replace value"static int
RETURN
Keyword "return"static int
RPAR
Right parenthesisstatic int
RSQB
Right square bracketstatic int
SATISFIES
Keyword "satisfies"static int
SEMICOLON
semicolon separatorstatic int
SLASH
Forwards "/"static int
SLSL
Double forwards slash, "//"static int
SOME
Keyword "some"static int
STAR
"*" symbol when used as a wildcardstatic int
STRING_LITERAL
String literalstatic int
SUFFIX
"*:" tokenstatic int
TAG
"<" at the start of a tag (XQuery only).static int
THEN
Ketword "then"static int
TO
Operator "to"static java.lang.String[]
tokens
The following strings are used to represent tokens in error messagesstatic int
TREAT_AS
operator "treat as"static int
TYPESWITCH
Keyword "typeswitch"static int
UNION
"union" or "|" tokenstatic int
UNKNOWN
Pseudo-token representing the start of the expressionstatic int
VALIDATE
Various compound symbols supporting XQuery validation expressionstatic int
VALIDATE_LAX
static int
VALIDATE_STRICT
static int
WHERE
Keyword "where"static int
WITH
"with"static int
XQUERY_VERSION
"xquery version"
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static int
inverse(int operator)
Return the inverse of a relational operator, so that "a op b" can be rewritten as "b inverse(op) a"static boolean
isOrderedOperator(int operator)
static int
negate(int operator)
Return the negation of a relational operator, so that "a op b" can be rewritten as not(b op' a)
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Field Detail
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EOF
public static final int EOF
Pseudo-token representing the end of the expression- See Also:
- Constant Field Values
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UNION
public static final int UNION
"union" or "|" token- See Also:
- Constant Field Values
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SLASH
public static final int SLASH
Forwards "/"- See Also:
- Constant Field Values
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AT
public static final int AT
At token, "@"- See Also:
- Constant Field Values
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LSQB
public static final int LSQB
Left square bracket- See Also:
- Constant Field Values
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LPAR
public static final int LPAR
Left parenthesis- See Also:
- Constant Field Values
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EQUALS
public static final int EQUALS
Equals token ("=")- See Also:
- Constant Field Values
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COMMA
public static final int COMMA
Comma token- See Also:
- Constant Field Values
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SLSL
public static final int SLSL
Double forwards slash, "//"- See Also:
- Constant Field Values
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OR
public static final int OR
Operator "or"- See Also:
- Constant Field Values
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AND
public static final int AND
Operator "and"- See Also:
- Constant Field Values
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GT
public static final int GT
Operator ">"- See Also:
- Constant Field Values
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LT
public static final int LT
Operator "<"- See Also:
- Constant Field Values
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GE
public static final int GE
Operator ">="- See Also:
- Constant Field Values
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LE
public static final int LE
Operator "<="- See Also:
- Constant Field Values
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PLUS
public static final int PLUS
Operator "+"- See Also:
- Constant Field Values
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MINUS
public static final int MINUS
Binary minus operator- See Also:
- Constant Field Values
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MULT
public static final int MULT
Multiply operator, "*" when used in an operator context- See Also:
- Constant Field Values
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DIV
public static final int DIV
Operator "div"- See Also:
- Constant Field Values
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MOD
public static final int MOD
Operator "mod"- See Also:
- Constant Field Values
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IS
public static final int IS
Operator "is"- See Also:
- Constant Field Values
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DOLLAR
public static final int DOLLAR
"$" symbol- See Also:
- Constant Field Values
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NE
public static final int NE
Operator not-equals. That is, "!="- See Also:
- Constant Field Values
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INTERSECT
public static final int INTERSECT
Operator "intersect"- See Also:
- Constant Field Values
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EXCEPT
public static final int EXCEPT
Operator "except"- See Also:
- Constant Field Values
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RETURN
public static final int RETURN
Keyword "return"- See Also:
- Constant Field Values
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THEN
public static final int THEN
Ketword "then"- See Also:
- Constant Field Values
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ELSE
public static final int ELSE
Keyword "else"- See Also:
- Constant Field Values
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WHERE
public static final int WHERE
Keyword "where"- See Also:
- Constant Field Values
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TO
public static final int TO
Operator "to"- See Also:
- Constant Field Values
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IN
public static final int IN
Keyword "in"- See Also:
- Constant Field Values
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SOME
public static final int SOME
Keyword "some"- See Also:
- Constant Field Values
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EVERY
public static final int EVERY
Keyword "every"- See Also:
- Constant Field Values
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SATISFIES
public static final int SATISFIES
Keyword "satisfies"- See Also:
- Constant Field Values
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FUNCTION
public static final int FUNCTION
Token representing the name of a function and the following "(" symbol- See Also:
- Constant Field Values
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AXIS
public static final int AXIS
Token representing the name of an axis and the following "::" symbol- See Also:
- Constant Field Values
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IF
public static final int IF
Keyword "if"- See Also:
- Constant Field Values
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PRECEDES
public static final int PRECEDES
Operator "<<"- See Also:
- Constant Field Values
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FOLLOWS
public static final int FOLLOWS
Operator ">>"- See Also:
- Constant Field Values
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COLONCOLON
public static final int COLONCOLON
"::" symbol- See Also:
- Constant Field Values
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COLONSTAR
public static final int COLONSTAR
":*" symbol- See Also:
- Constant Field Values
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INSTANCE_OF
public static final int INSTANCE_OF
operator "instance of"- See Also:
- Constant Field Values
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CAST_AS
public static final int CAST_AS
operator "cast as"- See Also:
- Constant Field Values
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TREAT_AS
public static final int TREAT_AS
operator "treat as"- See Also:
- Constant Field Values
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FEQ
public static final int FEQ
operator "eq"- See Also:
- Constant Field Values
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FNE
public static final int FNE
operator "ne"- See Also:
- Constant Field Values
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FGT
public static final int FGT
operator "gt"- See Also:
- Constant Field Values
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FLT
public static final int FLT
operator "lt"- See Also:
- Constant Field Values
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FGE
public static final int FGE
operator "ge"- See Also:
- Constant Field Values
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FLE
public static final int FLE
opeartor "le"- See Also:
- Constant Field Values
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IDIV
public static final int IDIV
operator "idiv"- See Also:
- Constant Field Values
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CASTABLE_AS
public static final int CASTABLE_AS
operator "castable as"- See Also:
- Constant Field Values
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ASSIGN
public static final int ASSIGN
":=" symbol (XQuery only)- See Also:
- Constant Field Values
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LCURLY
public static final int LCURLY
"{" symbol (XQuery only)- See Also:
- Constant Field Values
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KEYWORD_CURLY
public static final int KEYWORD_CURLY
composite token:(XQuery only) - See Also:
- Constant Field Values
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ELEMENT_QNAME
public static final int ELEMENT_QNAME
composite token <'element' QNAME> (XQuery only)- See Also:
- Constant Field Values
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ATTRIBUTE_QNAME
public static final int ATTRIBUTE_QNAME
composite token <'attribute' QNAME> (XQuery only)- See Also:
- Constant Field Values
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PI_QNAME
public static final int PI_QNAME
composite token <'pi' QNAME> (XQuery only)- See Also:
- Constant Field Values
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TYPESWITCH
public static final int TYPESWITCH
Keyword "typeswitch"- See Also:
- Constant Field Values
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CASE
public static final int CASE
Keyword "case"- See Also:
- Constant Field Values
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MODIFY
public static final int MODIFY
Keyword "modify"- See Also:
- Constant Field Values
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NODEKIND
public static final int NODEKIND
Node kind, e.g. "node()" or "comment()"- See Also:
- Constant Field Values
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SUFFIX
public static final int SUFFIX
"*:" token- See Also:
- Constant Field Values
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AS
public static final int AS
"as" (in XQuery Update rename expression)- See Also:
- Constant Field Values
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XQUERY_VERSION
public static final int XQUERY_VERSION
"xquery version"- See Also:
- Constant Field Values
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DECLARE_NAMESPACE
public static final int DECLARE_NAMESPACE
"declare namespace"- See Also:
- Constant Field Values
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DECLARE_DEFAULT
public static final int DECLARE_DEFAULT
"declare default"- See Also:
- Constant Field Values
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DECLARE_CONSTRUCTION
public static final int DECLARE_CONSTRUCTION
"declare construction"- See Also:
- Constant Field Values
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DECLARE_BASEURI
public static final int DECLARE_BASEURI
"declare base-uri"- See Also:
- Constant Field Values
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DECLARE_BOUNDARY_SPACE
public static final int DECLARE_BOUNDARY_SPACE
"declare boundary-space"- See Also:
- Constant Field Values
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IMPORT_SCHEMA
public static final int IMPORT_SCHEMA
"import schema"- See Also:
- Constant Field Values
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IMPORT_MODULE
public static final int IMPORT_MODULE
"import module"- See Also:
- Constant Field Values
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DECLARE_VARIABLE
public static final int DECLARE_VARIABLE
"define variable"- See Also:
- Constant Field Values
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DECLARE_FUNCTION
public static final int DECLARE_FUNCTION
"declare function"- See Also:
- Constant Field Values
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MODULE_NAMESPACE
public static final int MODULE_NAMESPACE
"module namespace"- See Also:
- Constant Field Values
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VALIDATE
public static final int VALIDATE
Various compound symbols supporting XQuery validation expression- See Also:
- Constant Field Values
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VALIDATE_STRICT
public static final int VALIDATE_STRICT
- See Also:
- Constant Field Values
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VALIDATE_LAX
public static final int VALIDATE_LAX
- See Also:
- Constant Field Values
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DECLARE_ORDERING
public static final int DECLARE_ORDERING
"declare xmlspace"- See Also:
- Constant Field Values
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DECLARE_COPY_NAMESPACES
public static final int DECLARE_COPY_NAMESPACES
"declare copy-namespaces"- See Also:
- Constant Field Values
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DECLARE_OPTION
public static final int DECLARE_OPTION
"declare option"- See Also:
- Constant Field Values
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DECLARE_REVALIDATION
public static final int DECLARE_REVALIDATION
"declare revalidation"- See Also:
- Constant Field Values
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INSERT_NODE
public static final int INSERT_NODE
"insert node/nodes"- See Also:
- Constant Field Values
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DELETE_NODE
public static final int DELETE_NODE
"delete node/nodes"- See Also:
- Constant Field Values
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REPLACE_NODE
public static final int REPLACE_NODE
"replace node/nodes"- See Also:
- Constant Field Values
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REPLACE_VALUE
public static final int REPLACE_VALUE
"replace value"- See Also:
- Constant Field Values
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RENAME_NODE
public static final int RENAME_NODE
"rename node"- See Also:
- Constant Field Values
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FIRST_INTO
public static final int FIRST_INTO
"first into"- See Also:
- Constant Field Values
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LAST_INTO
public static final int LAST_INTO
"last into"- See Also:
- Constant Field Values
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AFTER
public static final int AFTER
"after"- See Also:
- Constant Field Values
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BEFORE
public static final int BEFORE
"before"- See Also:
- Constant Field Values
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INTO
public static final int INTO
"into"- See Also:
- Constant Field Values
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WITH
public static final int WITH
"with"- See Also:
- Constant Field Values
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DECLARE_UPDATING
public static final int DECLARE_UPDATING
"declare updating [function]"- See Also:
- Constant Field Values
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SEMICOLON
public static final int SEMICOLON
semicolon separator- See Also:
- Constant Field Values
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NAME
public static final int NAME
Name token (a QName, in general)- See Also:
- Constant Field Values
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STRING_LITERAL
public static final int STRING_LITERAL
String literal- See Also:
- Constant Field Values
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RSQB
public static final int RSQB
Right square bracket- See Also:
- Constant Field Values
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RPAR
public static final int RPAR
Right parenthesis- See Also:
- Constant Field Values
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DOT
public static final int DOT
"." symbol- See Also:
- Constant Field Values
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DOTDOT
public static final int DOTDOT
".." symbol- See Also:
- Constant Field Values
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STAR
public static final int STAR
"*" symbol when used as a wildcard- See Also:
- Constant Field Values
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PREFIX
public static final int PREFIX
"prefix:*" token- See Also:
- Constant Field Values
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NUMBER
public static final int NUMBER
Numeric literal- See Also:
- Constant Field Values
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FOR
public static final int FOR
"for" keyword- See Also:
- Constant Field Values
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DEFAULT
public static final int DEFAULT
Keyword "default"- See Also:
- Constant Field Values
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QMARK
public static final int QMARK
Question mark symbol. That is, "?"- See Also:
- Constant Field Values
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RCURLY
public static final int RCURLY
"}" symbol (XQuery only)- See Also:
- Constant Field Values
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LET
public static final int LET
"let" keyword (XQuery only)- See Also:
- Constant Field Values
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TAG
public static final int TAG
"<" at the start of a tag (XQuery only). The pseudo-XML syntax that follows is read character-by-character by the XQuery parser- See Also:
- Constant Field Values
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PRAGMA
public static final int PRAGMA
A token representing an XQuery pragma. This construct "(# .... #)" is regarded as a single token, for the QueryParser to sort out.- See Also:
- Constant Field Values
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COPY
public static final int COPY
"copy" keyword- See Also:
- Constant Field Values
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NEGATE
public static final int NEGATE
Unary minus sign- See Also:
- Constant Field Values
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tokens
public static java.lang.String[] tokens
The following strings are used to represent tokens in error messages
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doubleKeywords
public static java.util.HashMap doubleKeywords
Lookup table for composite (two-keyword) tokens
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UNKNOWN
public static final int UNKNOWN
Pseudo-token representing the start of the expression- See Also:
- Constant Field Values
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Method Detail
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inverse
public static int inverse(int operator)
Return the inverse of a relational operator, so that "a op b" can be rewritten as "b inverse(op) a"
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negate
public static int negate(int operator)
Return the negation of a relational operator, so that "a op b" can be rewritten as not(b op' a)
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isOrderedOperator
public static boolean isOrderedOperator(int operator)
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