Package net.sf.saxon.expr.parser

Class Token

java.lang.Object
net.sf.saxon.expr.parser.Token
public abstract class Token extends Object
This class holds static constants and methods defining the lexical tokens used in XPath and XQuery, and associated keywords.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    AFTER
    "after"
    static final int
    AND
    Operator "and"
    static final int
    AND_ALSO
    "andAlso" (Saxon extension)
    static final int
    AS
    "as" (in XQuery Update rename expression)
    static final int
    ASSIGN
    ":=" symbol (XQuery only)
    static final int
    AT
    At token, "@"
    static final int
    ATTRIBUTE_QNAME
    composite token <'attribute' QNAME> (XQuery only)
    static final int
    AXIS
    Token representing the name of an axis and the following "::" symbol
    static final int
    BACKTICK
    Backtick (introducing a 4.0 string template)
    static final int
    BANG
    Operator "!"
    static final int
    BANG_BANG
     
    static final int
    BEFORE
    "before"
    static final int
    BINARY_INTEGER
     
    static final int
    CASE
    Keyword "case"
    static final int
    CAST_AS
    operator "cast as"
    static final int
    CASTABLE_AS
    operator "castable as"
    static final int
    COLON
    ":" (XPath 3.0 maps)
    static final int
    COLONCOLON
    "::" symbol
    static final int
    COLONSTAR
    ":*" symbol
    static final int
    COMMA
    Comma token
    static final int
    CONCAT
    Operator "||"
    static final int
    COPY
    "copy" keyword
    static final int
    COUNT
    "count" keyword
    static final int
    DECLARE_ANNOTATED
    declare %
    static final int
    DECLARE_BASEURI
    "declare base-uri"
    static final int
    DECLARE_BOUNDARY_SPACE
    "declare boundary-space"
    static final int
    DECLARE_CONSTRUCTION
    "declare construction"
    static final int
    DECLARE_CONTEXT
    "declare context"
    static final int
    DECLARE_COPY_NAMESPACES
    "declare copy-namespaces"
    static final int
    DECLARE_DECIMAL_FORMAT
    "declare decimal-format"
    static final int
    DECLARE_DEFAULT
    "declare default"
    static final int
    DECLARE_FIXED
    "declare fixed"
    static final int
    DECLARE_FUNCTION
    "declare function"
    static final int
    DECLARE_ITEM_TYPE
    Saxon extension: declare type
    static final int
    DECLARE_NAMESPACE
    "declare namespace"
    static final int
    DECLARE_OPTION
    "declare option"
    static final int
    DECLARE_ORDERING
    "declare xmlspace"
    static final int
    DECLARE_REVALIDATION
    "declare revalidation"
    static final int
    DECLARE_UPDATING
    "declare updating [function]"
    static final int
    DECLARE_VARIABLE
    "declare variable"
    static final int
    DEFAULT
    Keyword "default"
    static final int
    DELETE_NODE
    "delete node/nodes"
    static final int
    DIV
    Operator "div"
    static final int
    DOLLAR
    "$" symbol
    static final int
    DOT
    "." symbol
    static final int
    DOTDOT
    ".." symbol
    static HashMap<String,Integer>
    doubleKeywords
    Lookup table for composite (two-keyword) tokens
    static final int
    ELEMENT_QNAME
    composite token <'element' QNAME> (XQuery only)
    static final int
    ELSE
    Keyword "else"
    static final int
    EOF
    Pseudo-token representing the end of the expression
    static final int
    EQUALS
    Equals token ("=")
    static final int
    EVERY
    Keyword "every"
    static final int
    EXCEPT
    Operator "except"
    static final int
    FAT_ARROW
    Arrow operator "=>" (XQuery 3.1)
    static final int
    FEQ
    operator "eq"
    static final int
    FGE
    operator "ge"
    static final int
    FGT
    operator "gt"
    static final int
    FIRST_INTO
    "first into"
    static final int
    FLE
    opeartor "le"
    static final int
    FLT
    operator "lt"
    static final int
    FNE
    operator "ne"
    static final int
    FOLLOWS
    Operator ">>"
    static final int
    FOR
    "for" keyword
    static final int
    FOR_MEMBER
    "for member" (XQuery 4.0)
    static final int
    FOR_SLIDING
    "for sliding" (XQuery 3.0)
    static final int
    FOR_TUMBLING
    "for tumbling" (XQuery 3.0)
    static final int
    FUNCTION
    Token representing the name of a function and the following "(" symbol
    static final int
    GE
    Operator ">="
    static final int
    GROUP_BY
     
    static final int
    GT
    Operator ">"
    static final int
    HASH
    # symbol
    static final int
    HEX_INTEGER
     
    static final int
    IDIV
    operator "idiv"
    static final int
    IF
    Keyword "if"
    static final int
    IMPLICIT_EOF
    Pseudo-token representing implicit end of expression (the parser doesn't care what follows the expression)
    static final int
    IMPORT_MODULE
    "import module"
    static final int
    IMPORT_SCHEMA
    "import schema"
    static final int
    IN
    Keyword "in"
    static final int
    INSERT_NODE
    "insert node/nodes"
    static final int
    INSTANCE_OF
    operator "instance of"
    static final int
    INTERSECT
    Operator "intersect"
    static final int
    INTO
    "into"
    static final int
    IS
    Operator "is"
    static final int
    KEYWORD_CURLY
    composite token: <keyword "{"> (XQuery only)
    static final int
    KEYWORD_LBRA
    `name(` for a reserved function name, e.g.
    static final int
    LAST_INTO
    "last into"
    static final int
    LAST_OPERATOR
    Constant identifying the token number of the last token to be classified as an operator
    static final int
    LCURLY
    "{" symbol (XQuery only)
    static final int
    LE
    Operator "<="
    static final int
    LET
    "let" keyword (XQuery only)
    static final int
    LPAR
    Left parenthesis
    static final int
    LSQB
    Left square bracket
    static final int
    LT
    Operator "<"
    static final int
    MAPPING_ARROW
    Arrow operator "=>" (XQuery 3.1)
    static final int
    MATH_DIVIDE
    Mathematical divide operator "÷"
    static final int
    MATH_MULT
    Mathematical multiply operator "×"
    static final int
    MINUS
    Binary minus operator
    static final int
    MOD
    Operator "mod"
    static final int
    MODIFY
    Keyword "modify"
    static final int
    MODULE_NAMESPACE
    "module namespace"
    static final int
    MULT
    Multiply operator, "*" when used in an operator context
    static final int
    NAME
    Name token (a QName, in general)
    static final int
    NAMED_FUNCTION_REF
    Token representing a function name and the following "#" symbol
    static final int
    NAMESPACE_QNAME
    composite token <'namespace' QNAME> (XQuery only)
    static final int
    NE
    Operator not-equals.
    static final int
    NEGATE
    Unary minus sign
    static final int
    NUMBER
    Numeric literal
    static final int
    OR
    Operator "or"
    static final int
    OR_ELSE
    "orElse" (Saxon extension)
    static final int
    OTHERWISE
    "otherwise" (Saxon extension)
    static final int
    PERCENT
    percent sign '%'
    static final int
    PI_QNAME
    composite token <'pi' QNAME> (XQuery only)
    static final int
    PLUS
    Operator "+"
    static final int
    PRAGMA
    A token representing an XQuery pragma.
    static final int
    PRECEDES
    Operator "<<"
    static final int
    PREFIX
    "prefix:*" token
    static final int
    QMARK
    Question mark symbol.
    static final int
    QMARK_QMARK
    operator "??"
    static final int
    RCURLY
    "}" symbol (XQuery only)
    static final int
    RENAME_NODE
    "rename node"
    static final int
    REPLACE_NODE
    "replace node/nodes"
    static final int
    REPLACE_VALUE
    "replace value"
    static final int
    RETURN
    Keyword "return"
    static final int
    RPAR
    Right parenthesis
    static final int
    RSQB
    Right square bracket
    static final int
    SATISFIES
    Keyword "satisfies"
    static final int
    SEMICOLON
    semicolon separator
    static final int
    SLASH
    Forwards "/"
    static final int
    SLASH_SLASH
    Double forwards slash, "//"
    static final int
    SOME
    Keyword "some"
    static final int
    STAR
    "*" symbol when used as a wildcard
    static final int
    STRING_CONSTRUCTOR_INITIAL
    First part of a string template.
    static final int
    STRING_LITERAL
    String literal
    static final int
    STRING_LITERAL_BACKTICKED
    Complete string constructor with no embedded expressions
    static final int
    SUFFIX
    "*:" token
    static final int
    SWITCH
    Keyword "switch" (XQuery 1.1)
    static final int
    SWITCH_CASE
     
    static final int
    TAG
    "<" at the start of a tag (XQuery only).
    static final int
    THEN
    Ketword "then"
    static final int
    THIN_ARROW
    Thin arrow operator "->" (XQuery 4.0)
    static final int
    TO
    Operator "to"
    static final String[]
    tokens
    The following strings are used to represent tokens in error messages
    static final int
    TREAT_AS
    operator "treat as"
    static final int
    TYPESWITCH
    Keyword "typeswitch"
    static final int
    UNION
    "union" or "|" token
    static final int
    UNKNOWN
    Pseudo-token representing the start of the expression
    static final int
    VALIDATE
    Various compound symbols supporting XQuery validation expression
    static final int
    VALIDATE_LAX
     
    static final int
    VALIDATE_STRICT
     
    static final int
    VALIDATE_TYPE
     
    static final int
    WHERE
    Keyword "where"
    static final int
    WHILE
    Keyword "while"
    static final int
    WITH
    "with"
    static final int
    XQUERY_ENCODING
    "xquery encoding"
    static final int
    XQUERY_VERSION
    "xquery version"

  • Method Summary

    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)

    Methods inherited from class java.lang.Object

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

  • Field Details

  • Method Details

    • 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"
      Parameters:
      operator - the operator whose inverse is required
      Returns:
      the inverse operator

    • 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)
      Parameters:
      operator - the operator to be negated
      Returns:
      the negated operator

    • isOrderedOperator

      public static boolean isOrderedOperator(int operator)