TXPathEnvironment

type TXPathEnvironment = class

protected

  function xpLast();

Implements the last() function from the XPath Core Function Library.

  function xpPosition();

Implements the position() function from the XPath Core Function Library.

  function xpCount();

Implements the count() function from the XPath Core Function Library.

  function xpId();

Implements the id() function from the XPath Core Function Library.

  function xpLocalName();

Implements the local-name() function from the XPath Core Function Library.

  function xpNamespaceURI();

Implements the namespace-uri() function from the XPath Core Function Library.

  function xpName();

Implements the name() function from the XPath Core Function Library.

  function xpString();

Implements the string() function from the XPath Core Function Library.

  function xpConcat();

Implements the concat() function from the XPath Core Function Library.

  function xpStartsWith();

Implements the starts-with() function from the XPath Core Function Library.

  function xpContains();

Implements the contains() function from the XPath Core Function Library.

  function xpSubstringBefore();

Implements the substring-before() function from the XPath Core Function Library.

  function xpSubstringAfter();

Implements the substring-after() function from the XPath Core Function Library.

  function xpSubstring();

Implements the substring() function from the XPath Core Function Library.

  function xpStringLength();

Implements the string-length() function from the XPath Core Function Library.

  function xpNormalizeSpace();

Implements the normalize-space() function from the XPath Core Function Library.

  function xpTranslate();

Implements the translate() function from the XPath Core Function Library.

  function xpBoolean();

Implements the boolean() function from the XPath Core Function Library.

  function xpNot();

Implements the not() function from the XPath Core Function Library.

  function xpTrue();

Implements the true() function from the XPath Core Function Library.

  function xpFalse();

Implements the false() function from the XPath Core Function Library.

  function xpLang();

Implements the lang() function from the XPath Core Function Library.

  function xpNumber();

Implements the number() function from the XPath Core Function Library.

  function xpSum();

Implements the sum() function from the XPath Core Function Library.

  function xpFloor();

Implements the floor() function from the XPath Core Function Library.

  function xpCeiling();

Implements the ceiling() function from the XPath Core Function Library.

  function xpRound();

Implements the round() function from the XPath Core Function Library.

public

  constructor Create;

Constructor for the class instance.

  destructor Destroy; override;

Destructor for the class instance.

  function GetFunctionIndex();

Gets the ordinal position of the XPath function with the specified name.

  function GetVariableIndex();

Gets the ordinal position of the variable with the specified name.

  procedure AddFunction();

Adds a function to the Functions property with the specified name.

  procedure AddVariable();

Adds a variable with the given name and value to the Variables property.

  procedure RemoveFunction();

Removes a function with the specified name or ordinal position from the Functions property.

  procedure RemoveVariable();

Removes a variable with the specified name or ordinal position.

  property FunctionCount: Integer; [r]

Indicates the number of XPath functions in the XPath environment.

  property VariableCount: Integer; [r]

Indicates the number of variables defined in the XPath environment.

  property Functions []: TXPathFunction; [r]

Provides indexed access to XPath functions in the environment.

  property FunctionsByName []: TXPathFunction; [r]

Gets an XPath function with the specified name.

  property Variables []: TXPathVariable; [r]

Provides indexed access to XPath variables in the XPath environment.

  property VariablesByName []: TXPathVariable; [r]

Gets an XPath variable with the specified name.

end;

TXPathEnvironment

Provides access to functions and variables available in the XPath environment.

TObject

TXPathFunction

Implements an XPath function.

TXPathVariable

Base class used to represent an XPath variables and results.