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## org.apache.xalan.xsltc.runtime
Class BasisLibrary

    java.lang.Object
      org.apache.xalan.xsltc.runtime.BasisLibrary

    public final class BasisLibrary

extends java.lang.Object

Standard XSLT functions. All standard functions expect the current node and the DOM as their last two arguments.

Field Summary
`static java.lang.String` | `AXIS_SUPPORT_ERR`
`static java.lang.String` | `CANT_RESOLVE_RELATIVE_URI_ERR`
`static java.lang.String` | `DATA_CONVERSION_ERR`
`static java.lang.String` | `DOM_ADAPTER_INIT_ERR`
`static java.lang.String` | `EQUALITY_EXPR_ERR`
`static java.lang.String` | `ERROR_MESSAGES_KEY`
`static java.lang.String` | `EXTERNAL_FUNC_ERR`
`static java.lang.String` | `FORMAT_NUMBER_ERR`
`static java.lang.String` | `INVALID_ARGUMENT_ERR`
`static java.lang.String` | `INVALID_NCNAME_ERR`
`static java.lang.String` | `INVALID_QNAME_ERR`
`static java.lang.String` | `ITERATOR_CLONE_ERR`
`static java.lang.String` | `NAMESPACE_PREFIX_ERR`
`static java.lang.String` | `NAMESPACES_SUPPORT_ERR`
`static java.lang.String` | `PARSER_DTD_SUPPORT_ERR`
`static java.lang.String` | `RUN_TIME_COPY_ERR`
`static java.lang.String` | `RUN_TIME_INTERNAL_ERR`
`static java.lang.String` | `STRAY_ATTRIBUTE_ERR`
`static java.lang.String` | `STRAY_NAMESPACE_ERR`
`static java.lang.String` | `TYPED_AXIS_SUPPORT_ERR`
`static java.lang.String` | `UNALLOWED_EXTENSION_ELEMENT_ERR`
`static java.lang.String` | `UNALLOWED_EXTENSION_FUNCTION_ERR`
`static java.lang.String` | `UNKNOWN_TRANSLET_VERSION_ERR`
`static java.lang.String` | `UNSUPPORTED_EXT_ERR`
`static java.lang.String` | `UNSUPPORTED_XSL_ERR`

Constructor Summary
`BasisLibrary()`

Method Summary
`static boolean` | `booleanF(java.lang.Object obj)` XSLT Standard function boolean()
`static void` | `checkAttribQName(java.lang.String name)` Utility function to check if xsl:attribute has a valid qname This method should only be invoked if the name attribute is an AVT
`static void` | `checkNCName(java.lang.String name)` Utility function to check if a name is a valid ncname This method should only be invoked if the attribute value is an AVT
`static void` | `checkQName(java.lang.String name)` Utility function to check if a name is a valid qname This method should only be invoked if the attribute value is an AVT
`static boolean` | `compare(DTMAxisIterator left, double rnumber, int op, DOM dom)` Utility function: node-set/number compare.
`static boolean` | `compare(DTMAxisIterator left, DTMAxisIterator right, int op, DOM dom)` Utility function: node-set/node-set compare.
`static boolean` | `compare(DTMAxisIterator left, java.lang.String rstring, int op, DOM dom)` Utility function: node-set/string comparison.
`static boolean` | `compare(int node, DTMAxisIterator iterator, int op, DOM dom)`
`static boolean` | `compare(java.lang.Object left, java.lang.Object right, int op, DOM dom)`
`static void` | `consoleOutput(java.lang.String msg)`
`static void` | `copy(java.lang.Object obj, SerializationHandler handler, int node, DOM dom)`
`static int` | `countF(DTMAxisIterator iterator)` Standard function count(node-set)
`static java.lang.String` | `formatNumber(double number, java.lang.String pattern, java.text.DecimalFormat formatter)`
`static java.lang.String` | `generate_idF(int node)` XSLT Standard function generate-id().
`static java.lang.String` | `generatePrefix()`
`static java.lang.String` | `getLocalName(java.lang.String value)` utility function for calls to local-name().
`static java.lang.String` | `getPrefix(java.lang.String qname)` This function is used in the execution of xsl:element
`static DTMAxisIterator` | `getSingleNode(DTMAxisIterator iterator)` Utility function: used with nth position filters to convert a sequence of nodes to just one single node (the one at position n).
`static java.lang.String` | `mapQNameToJavaName(java.lang.String base)` Utility method to allow setting parameters of the form {namespaceuri}localName which get mapped to an instance variable in the class Hence a parameter of the form "{http://foo.bar}xyz" will be replaced with the corresponding values by the BasisLibrary's utility method mapQNametoJavaName and thus get mapped to legal java variable names
`static java.lang.String` | `namespace_uriF(DTMAxisIterator iter, DOM dom)` XSLT Standard function namespace-uri(node-set).
`static java.lang.String` | `namespace_uriF(int node, DOM dom)` XSLT Standard function namespace-uri().
`static DTMAxisIterator` | `node2Iterator(org.w3c.dom.Node node, Translet translet, DOM dom)` Utility function used to convert a w3c Node into an internal DOM iterator.
`static DTMAxisIterator` | `nodeList2Iterator(org.w3c.dom.NodeList nodeList, Translet translet, DOM dom)` Utility function used to convert a w3c NodeList into a internal DOM iterator.
`static DTMAxisIterator` | `nodesetF(java.lang.Object obj)` Implements the nodeset() extension function.
`static java.lang.String` | `normalize_spaceF(int node, DOM dom)` XSLT Standard function normalize-space().
`static java.lang.String` | `normalize_spaceF(java.lang.String value)` XSLT Standard function normalize-space(string).
`static double` | `numberF(int node, DOM dom)` XSLT Standard function number()
`static double` | `numberF(java.lang.Object obj, DOM dom)` XSLT Standard function number(value)
`static java.lang.String` | `objectTypeF(java.lang.Object obj)` Implements the object-type() extension function.
`static int` | `positionF(DTMAxisIterator iterator)` Deprecated. This method exists only for backwards compatibility with old translets. New code should not reference it.
`static int` | `realToInt(double d)` Utility function: used in RealType to convert a real to an integer
`static java.lang.String` | `realToString(double d)` Utility function: used in RealType to convert a real to a string.
`static boolean` | `referenceToBoolean(java.lang.Object obj)` Utility function: used to convert reference to boolean.
`static double` | `referenceToDouble(java.lang.Object obj)` Utility function: used to convert reference to double.
`static long` | `referenceToLong(java.lang.Object obj)` Utility function: used to convert reference to long.
`static org.w3c.dom.Node` | `referenceToNode(java.lang.Object obj, DOM dom)` Utility function: used to convert reference to org.w3c.dom.Node.
`static org.w3c.dom.NodeList` | `referenceToNodeList(java.lang.Object obj, DOM dom)` Utility function: used to convert reference to org.w3c.dom.NodeList.
`static DTMAxisIterator` | `referenceToNodeSet(java.lang.Object obj)` Utility function: used to convert references to node-sets.
`static DOM` | `referenceToResultTree(java.lang.Object obj)` Utility function used to convert references to DOMs.
`static java.lang.String` | `referenceToString(java.lang.Object obj, DOM dom)` Utility function: used to convert reference to String.
`static java.lang.String` | `replace(java.lang.String base, char ch, java.lang.String str)` Replace a certain character in a string with a new substring.
`static java.lang.String` | `replace(java.lang.String base, java.lang.String delim, java.lang.String[] str)`
`static double` | `roundF(double d)` XSLT Standard function round()
`static void` | `runTimeError(java.lang.String code)` Print a run-time error message.
`static void` | `runTimeError(java.lang.String code, java.lang.Object arg0)`
`static void` | `runTimeError(java.lang.String code, java.lang.Object[] args)`
`static void` | `runTimeError(java.lang.String code, java.lang.Object arg0, java.lang.Object arg1)`
`static java.lang.String` | `startXslElement(java.lang.String qname, java.lang.String namespace, SerializationHandler handler, DOM dom, int node)` Utility function for the implementation of xsl:element.
`static java.lang.String` | `stringF(int node, DOM dom)` XSLT Standard function string()
`static java.lang.String` | `stringF(java.lang.Object obj, DOM dom)` XSLT Standard function string(value)
`static java.lang.String` | `stringF(java.lang.Object obj, int node, DOM dom)` XSLT Standard function string(value)
`static int` | `stringToInt(java.lang.String s)` Utility function: used in StringType to convert a string to an int.
`static double` | `stringToReal(java.lang.String s)` Utility function: used in StringType to convert a string to a real.
`static java.lang.String` | `substring_afterF(java.lang.String value, java.lang.String substring)` XSLT Standard function substring-after().
`static java.lang.String` | `substring_beforeF(java.lang.String value, java.lang.String substring)` XSLT Standard function substring-before().
`static java.lang.String` | `substringF(java.lang.String value, double start)` XSLT Standard function substring().
`static java.lang.String` | `substringF(java.lang.String value, double start, double length)` XSLT Standard function substring().
`static double` | `sumF(DTMAxisIterator iterator, DOM dom)` XSLT Standard function sum(node-set).
`static java.lang.String` | `system_propertyF(java.lang.String name)` XSLT Standard function system-property(name)
`static boolean` | `testLanguage(java.lang.String testLang, DOM dom, int node)` Utility function: used to test context node's language
`static java.lang.String` | `translateF(java.lang.String value, java.lang.String from, java.lang.String to)` XSLT Standard function translate().
`static void` | `unallowed_extension_elementF(java.lang.String name)` Utility function to throw a runtime error on the use of an extension element when the secure processing feature is set to true.
`static void` | `unallowed_extension_functionF(java.lang.String name)` Utility function to throw a runtime error on the use of an extension function when the secure processing feature is set to true.
`static void` | `unresolved_externalF(java.lang.String name)` External functions that cannot be resolved are replaced with a call to this method.
`static void` | `unsupported_ElementF(java.lang.String qname, boolean isExtension)` Utility function to throw a runtime error for an unsupported element.

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### RUN_TIME_INTERNAL_ERR

    public static final java.lang.String RUN_TIME_INTERNAL_ERR

See Also:
  Constant Field Values

### RUN_TIME_COPY_ERR

    public static final java.lang.String RUN_TIME_COPY_ERR

See Also:
  Constant Field Values

### DATA_CONVERSION_ERR

    public static final java.lang.String DATA_CONVERSION_ERR

See Also:
  Constant Field Values

### EXTERNAL_FUNC_ERR

    public static final java.lang.String EXTERNAL_FUNC_ERR

See Also:
  Constant Field Values

### EQUALITY_EXPR_ERR

    public static final java.lang.String EQUALITY_EXPR_ERR

See Also:
  Constant Field Values

### INVALID_ARGUMENT_ERR

    public static final java.lang.String INVALID_ARGUMENT_ERR

See Also:
  Constant Field Values

### FORMAT_NUMBER_ERR

    public static final java.lang.String FORMAT_NUMBER_ERR

See Also:
  Constant Field Values

### ITERATOR_CLONE_ERR

    public static final java.lang.String ITERATOR_CLONE_ERR

See Also:
  Constant Field Values

### AXIS_SUPPORT_ERR

    public static final java.lang.String AXIS_SUPPORT_ERR

See Also:
  Constant Field Values

### TYPED_AXIS_SUPPORT_ERR

    public static final java.lang.String TYPED_AXIS_SUPPORT_ERR

See Also:
  Constant Field Values

### STRAY_ATTRIBUTE_ERR

    public static final java.lang.String STRAY_ATTRIBUTE_ERR

See Also:
  Constant Field Values

### STRAY_NAMESPACE_ERR

    public static final java.lang.String STRAY_NAMESPACE_ERR

See Also:
  Constant Field Values

### NAMESPACE_PREFIX_ERR

    public static final java.lang.String NAMESPACE_PREFIX_ERR

See Also:
  Constant Field Values

### DOM_ADAPTER_INIT_ERR

    public static final java.lang.String DOM_ADAPTER_INIT_ERR

See Also:
  Constant Field Values

### PARSER_DTD_SUPPORT_ERR

    public static final java.lang.String PARSER_DTD_SUPPORT_ERR

See Also:
  Constant Field Values

### NAMESPACES_SUPPORT_ERR

    public static final java.lang.String NAMESPACES_SUPPORT_ERR

See Also:
  Constant Field Values

### CANT_RESOLVE_RELATIVE_URI_ERR

    public static final java.lang.String CANT_RESOLVE_RELATIVE_URI_ERR

See Also:
  Constant Field Values

### UNSUPPORTED_XSL_ERR

    public static final java.lang.String UNSUPPORTED_XSL_ERR

See Also:
  Constant Field Values

### UNSUPPORTED_EXT_ERR

    public static final java.lang.String UNSUPPORTED_EXT_ERR

See Also:
  Constant Field Values

### UNKNOWN_TRANSLET_VERSION_ERR

    public static final java.lang.String UNKNOWN_TRANSLET_VERSION_ERR

See Also:
  Constant Field Values

### INVALID_QNAME_ERR

    public static final java.lang.String INVALID_QNAME_ERR

See Also:
  Constant Field Values

### INVALID_NCNAME_ERR

    public static final java.lang.String INVALID_NCNAME_ERR

See Also:
  Constant Field Values

### UNALLOWED_EXTENSION_FUNCTION_ERR

    public static final java.lang.String UNALLOWED_EXTENSION_FUNCTION_ERR

See Also:
  Constant Field Values

### UNALLOWED_EXTENSION_ELEMENT_ERR

    public static final java.lang.String UNALLOWED_EXTENSION_ELEMENT_ERR

See Also:
  Constant Field Values

### ERROR_MESSAGES_KEY

    public static final java.lang.String ERROR_MESSAGES_KEY

See Also:
  Constant Field Values

Constructor Detail

### BasisLibrary

    public BasisLibrary()

Method Detail

### countF

    public static int countF(DTMAxisIterator iterator)

  Standard function count(node-set)

### positionF

    public static int positionF(DTMAxisIterator iterator)

  Deprecated. This method exists only for backwards compatibility with old translets. New code should not reference it.

  Standard function position()

### sumF

    public static double sumF(DTMAxisIterator iterator,
                              DOM dom)

  XSLT Standard function sum(node-set). stringToDouble is inlined

### stringF

    public static java.lang.String stringF(int node,
                                           DOM dom)

  XSLT Standard function string()

### stringF

    public static java.lang.String stringF(java.lang.Object obj,
                                           DOM dom)

  XSLT Standard function string(value)

### stringF

    public static java.lang.String stringF(java.lang.Object obj,
                                           int node,
                                           DOM dom)

  XSLT Standard function string(value)

### numberF

    public static double numberF(int node,
                                 DOM dom)

  XSLT Standard function number()

### numberF

    public static double numberF(java.lang.Object obj,
                                 DOM dom)

  XSLT Standard function number(value)

### roundF

    public static double roundF(double d)

  XSLT Standard function round()

### booleanF

    public static boolean booleanF(java.lang.Object obj)

  XSLT Standard function boolean()

### substringF

    public static java.lang.String substringF(java.lang.String value,
                                              double start)

  XSLT Standard function substring(). Must take a double because of conversions resulting into NaNs and rounding.

### substringF

    public static java.lang.String substringF(java.lang.String value,
                                              double start,
                                              double length)

  XSLT Standard function substring(). Must take a double because of conversions resulting into NaNs and rounding.

### substring_afterF

    public static java.lang.String substring_afterF(java.lang.String value,
                                                    java.lang.String substring)

  XSLT Standard function substring-after().

### substring_beforeF

    public static java.lang.String substring_beforeF(java.lang.String value,
                                                     java.lang.String substring)

  XSLT Standard function substring-before().

### translateF

    public static java.lang.String translateF(java.lang.String value,
                                              java.lang.String from,
                                              java.lang.String to)

  XSLT Standard function translate().

### normalize_spaceF

    public static java.lang.String normalize_spaceF(int node,
                                                    DOM dom)

  XSLT Standard function normalize-space().

### normalize_spaceF

    public static java.lang.String normalize_spaceF(java.lang.String value)

  XSLT Standard function normalize-space(string).

### generate_idF

    public static java.lang.String generate_idF(int node)

  XSLT Standard function generate-id().

### getLocalName

    public static java.lang.String getLocalName(java.lang.String value)

  utility function for calls to local-name().

### unresolved_externalF

    public static void unresolved_externalF(java.lang.String name)

  External functions that cannot be resolved are replaced with a call to this method. This method will generate a runtime errors. A good stylesheet checks whether the function exists using conditional constructs, and never really tries to call it if it doesn't exist. But simple stylesheets may result in a call to this method. The compiler should generate a warning if it encounters a call to an unresolved external function.

### unallowed_extension_functionF

    public static void unallowed_extension_functionF(java.lang.String name)

  Utility function to throw a runtime error on the use of an extension function when the secure processing feature is set to true.

### unallowed_extension_elementF

    public static void unallowed_extension_elementF(java.lang.String name)

  Utility function to throw a runtime error on the use of an extension element when the secure processing feature is set to true.

### unsupported_ElementF

    public static void unsupported_ElementF(java.lang.String qname,
                                            boolean isExtension)

  Utility function to throw a runtime error for an unsupported element. This is only used in forward-compatibility mode, when the control flow cannot be determined. In 1.0 mode, the error message is emitted at compile time.

### namespace_uriF

    public static java.lang.String namespace_uriF(DTMAxisIterator iter,
                                                  DOM dom)

  XSLT Standard function namespace-uri(node-set).

### system_propertyF

    public static java.lang.String system_propertyF(java.lang.String name)

  XSLT Standard function system-property(name)

### namespace_uriF

    public static java.lang.String namespace_uriF(int node,
                                                  DOM dom)

  XSLT Standard function namespace-uri().

### objectTypeF

    public static java.lang.String objectTypeF(java.lang.Object obj)

  Implements the object-type() extension function.

  See Also:
    EXSLT

### nodesetF

    public static DTMAxisIterator nodesetF(java.lang.Object obj)

  Implements the nodeset() extension function.

### compare

    public static boolean compare(DTMAxisIterator left,
                                  DTMAxisIterator right,
                                  int op,
                                  DOM dom)

  Utility function: node-set/node-set compare.

### compare

    public static boolean compare(int node,
                                  DTMAxisIterator iterator,
                                  int op,
                                  DOM dom)

### compare

    public static boolean compare(DTMAxisIterator left,
                                  double rnumber,
                                  int op,
                                  DOM dom)

  Utility function: node-set/number compare.

### compare

    public static boolean compare(DTMAxisIterator left,
                                  java.lang.String rstring,
                                  int op,
                                  DOM dom)

  Utility function: node-set/string comparison.

### compare

    public static boolean compare(java.lang.Object left,
                                  java.lang.Object right,
                                  int op,
                                  DOM dom)

### testLanguage

    public static boolean testLanguage(java.lang.String testLang,
                                       DOM dom,
                                       int node)

  Utility function: used to test context node's language

### stringToReal

    public static double stringToReal(java.lang.String s)

  Utility function: used in StringType to convert a string to a real.

### stringToInt

    public static int stringToInt(java.lang.String s)

  Utility function: used in StringType to convert a string to an int.

### realToString

    public static java.lang.String realToString(double d)

  Utility function: used in RealType to convert a real to a string. Removes the decimal if null.

### realToInt

    public static int realToInt(double d)

  Utility function: used in RealType to convert a real to an integer

### formatNumber

    public static java.lang.String formatNumber(double number,
                                                java.lang.String pattern,
                                                java.text.DecimalFormat formatter)

### referenceToNodeSet

    public static DTMAxisIterator referenceToNodeSet(java.lang.Object obj)

  Utility function: used to convert references to node-sets. If the obj is an instanceof Node then create a singleton iterator.

### referenceToNodeList

    public static org.w3c.dom.NodeList referenceToNodeList(java.lang.Object obj,
                                                           DOM dom)

  Utility function: used to convert reference to org.w3c.dom.NodeList.

### referenceToNode

    public static org.w3c.dom.Node referenceToNode(java.lang.Object obj,
                                                   DOM dom)

  Utility function: used to convert reference to org.w3c.dom.Node.

### referenceToLong

    public static long referenceToLong(java.lang.Object obj)

  Utility function: used to convert reference to long.

### referenceToDouble

    public static double referenceToDouble(java.lang.Object obj)

  Utility function: used to convert reference to double.

### referenceToBoolean

    public static boolean referenceToBoolean(java.lang.Object obj)

  Utility function: used to convert reference to boolean.

### referenceToString

    public static java.lang.String referenceToString(java.lang.Object obj,
                                                     DOM dom)

  Utility function: used to convert reference to String.

### node2Iterator

    public static DTMAxisIterator node2Iterator(org.w3c.dom.Node node,
                                                Translet translet,
                                                DOM dom)

  Utility function used to convert a w3c Node into an internal DOM iterator.

### nodeList2Iterator

    public static DTMAxisIterator nodeList2Iterator(org.w3c.dom.NodeList nodeList,
                                                    Translet translet,
                                                    DOM dom)

  Utility function used to convert a w3c NodeList into a internal DOM iterator.

### referenceToResultTree

    public static DOM referenceToResultTree(java.lang.Object obj)

  Utility function used to convert references to DOMs.

### getSingleNode

    public static DTMAxisIterator getSingleNode(DTMAxisIterator iterator)

  Utility function: used with nth position filters to convert a sequence of nodes to just one single node (the one at position n).

### copy

    public static void copy(java.lang.Object obj,
                            SerializationHandler handler,
                            int node,
                            DOM dom)

### checkAttribQName

    public static void checkAttribQName(java.lang.String name)

  Utility function to check if xsl:attribute has a valid qname This method should only be invoked if the name attribute is an AVT

### checkNCName

    public static void checkNCName(java.lang.String name)

  Utility function to check if a name is a valid ncname This method should only be invoked if the attribute value is an AVT

### checkQName

    public static void checkQName(java.lang.String name)

  Utility function to check if a name is a valid qname This method should only be invoked if the attribute value is an AVT

### startXslElement

    public static java.lang.String startXslElement(java.lang.String qname,
                                                   java.lang.String namespace,
                                                   SerializationHandler handler,
                                                   DOM dom,
                                                   int node)

  Utility function for the implementation of xsl:element.

### getPrefix

    public static java.lang.String getPrefix(java.lang.String qname)

  This function is used in the execution of xsl:element

### generatePrefix

    public static java.lang.String generatePrefix()

### runTimeError

    public static void runTimeError(java.lang.String code)

  Print a run-time error message.

### runTimeError

    public static void runTimeError(java.lang.String code,
                                    java.lang.Object[] args)

### runTimeError

    public static void runTimeError(java.lang.String code,
                                    java.lang.Object arg0)

### runTimeError

    public static void runTimeError(java.lang.String code,
                                    java.lang.Object arg0,
                                    java.lang.Object arg1)

### consoleOutput

    public static void consoleOutput(java.lang.String msg)

### replace

    public static java.lang.String replace(java.lang.String base,
                                           char ch,
                                           java.lang.String str)

  Replace a certain character in a string with a new substring.

### replace

    public static java.lang.String replace(java.lang.String base,
                                           java.lang.String delim,
                                           java.lang.String[] str)

### mapQNameToJavaName

    public static java.lang.String mapQNameToJavaName(java.lang.String base)

  Utility method to allow setting parameters of the form {namespaceuri}localName which get mapped to an instance variable in the class Hence a parameter of the form "{http://foo.bar}xyz" will be replaced with the corresponding values by the BasisLibrary's utility method mapQNametoJavaName and thus get mapped to legal java variable names

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