Java Code Examples for com.sun.org.apache.xpath.internal.compiler.OpCodes#FROM_ANCESTORS_OR_SELF

The following examples show how to use com.sun.org.apache.xpath.internal.compiler.OpCodes#FROM_ANCESTORS_OR_SELF . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: WalkerFactory.java    From jdk1.8-source-analysis with Apache License 2.0 4 votes vote down vote up 
/**
 * Special purpose function to see if we can optimize the pattern for
 * a DescendantIterator.
 *
 * @param compiler non-null reference to compiler object that has processed
 *                 the XPath operations into an opcode map.
 * @param stepOpCodePos The opcode position for the step.
 *
 * @return 32 bits as an integer that give information about the location
 * path as a whole.
 *
 * @throws javax.xml.transform.TransformerException
 */
public static int getAxisFromStep(
        Compiler compiler, int stepOpCodePos)
          throws javax.xml.transform.TransformerException
{

  int stepType = compiler.getOp(stepOpCodePos);

  switch (stepType)
  {
  case OpCodes.FROM_FOLLOWING :
    return Axis.FOLLOWING;
  case OpCodes.FROM_FOLLOWING_SIBLINGS :
    return Axis.FOLLOWINGSIBLING;
  case OpCodes.FROM_PRECEDING :
    return Axis.PRECEDING;
  case OpCodes.FROM_PRECEDING_SIBLINGS :
    return Axis.PRECEDINGSIBLING;
  case OpCodes.FROM_PARENT :
    return Axis.PARENT;
  case OpCodes.FROM_NAMESPACE :
    return Axis.NAMESPACE;
  case OpCodes.FROM_ANCESTORS :
    return Axis.ANCESTOR;
  case OpCodes.FROM_ANCESTORS_OR_SELF :
    return Axis.ANCESTORORSELF;
  case OpCodes.FROM_ATTRIBUTES :
    return Axis.ATTRIBUTE;
  case OpCodes.FROM_ROOT :
    return Axis.ROOT;
  case OpCodes.FROM_CHILDREN :
    return Axis.CHILD;
  case OpCodes.FROM_DESCENDANTS_OR_SELF :
    return Axis.DESCENDANTORSELF;
  case OpCodes.FROM_DESCENDANTS :
    return Axis.DESCENDANT;
  case OpCodes.FROM_SELF :
    return Axis.SELF;
  case OpCodes.OP_EXTFUNCTION :
  case OpCodes.OP_FUNCTION :
  case OpCodes.OP_GROUP :
  case OpCodes.OP_VARIABLE :
    return Axis.FILTEREDLIST;
  }

  throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, new Object[]{Integer.toString(stepType)})); //"Programmer's assertion: unknown opcode: "
                             //+ stepType);
 }
Example 2
Source File: WalkerFactory.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Special purpose function to see if we can optimize the pattern for
 * a DescendantIterator.
 *
 * @param compiler non-null reference to compiler object that has processed
 *                 the XPath operations into an opcode map.
 * @param stepOpCodePos The opcode position for the step.
 *
 * @return 32 bits as an integer that give information about the location
 * path as a whole.
 *
 * @throws javax.xml.transform.TransformerException
 */
public static int getAxisFromStep(
        Compiler compiler, int stepOpCodePos)
          throws javax.xml.transform.TransformerException
{

  int stepType = compiler.getOp(stepOpCodePos);

  switch (stepType)
  {
  case OpCodes.FROM_FOLLOWING :
    return Axis.FOLLOWING;
  case OpCodes.FROM_FOLLOWING_SIBLINGS :
    return Axis.FOLLOWINGSIBLING;
  case OpCodes.FROM_PRECEDING :
    return Axis.PRECEDING;
  case OpCodes.FROM_PRECEDING_SIBLINGS :
    return Axis.PRECEDINGSIBLING;
  case OpCodes.FROM_PARENT :
    return Axis.PARENT;
  case OpCodes.FROM_NAMESPACE :
    return Axis.NAMESPACE;
  case OpCodes.FROM_ANCESTORS :
    return Axis.ANCESTOR;
  case OpCodes.FROM_ANCESTORS_OR_SELF :
    return Axis.ANCESTORORSELF;
  case OpCodes.FROM_ATTRIBUTES :
    return Axis.ATTRIBUTE;
  case OpCodes.FROM_ROOT :
    return Axis.ROOT;
  case OpCodes.FROM_CHILDREN :
    return Axis.CHILD;
  case OpCodes.FROM_DESCENDANTS_OR_SELF :
    return Axis.DESCENDANTORSELF;
  case OpCodes.FROM_DESCENDANTS :
    return Axis.DESCENDANT;
  case OpCodes.FROM_SELF :
    return Axis.SELF;
  case OpCodes.OP_EXTFUNCTION :
  case OpCodes.OP_FUNCTION :
  case OpCodes.OP_GROUP :
  case OpCodes.OP_VARIABLE :
    return Axis.FILTEREDLIST;
  }

  throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, new Object[]{Integer.toString(stepType)})); //"Programmer's assertion: unknown opcode: "
                             //+ stepType);
 }
Example 3
Source File: WalkerFactory.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Special purpose function to see if we can optimize the pattern for
 * a DescendantIterator.
 *
 * @param compiler non-null reference to compiler object that has processed
 *                 the XPath operations into an opcode map.
 * @param stepOpCodePos The opcode position for the step.
 *
 * @return 32 bits as an integer that give information about the location
 * path as a whole.
 *
 * @throws javax.xml.transform.TransformerException
 */
public static int getAxisFromStep(
        Compiler compiler, int stepOpCodePos)
          throws javax.xml.transform.TransformerException
{

  int stepType = compiler.getOp(stepOpCodePos);

  switch (stepType)
  {
  case OpCodes.FROM_FOLLOWING :
    return Axis.FOLLOWING;
  case OpCodes.FROM_FOLLOWING_SIBLINGS :
    return Axis.FOLLOWINGSIBLING;
  case OpCodes.FROM_PRECEDING :
    return Axis.PRECEDING;
  case OpCodes.FROM_PRECEDING_SIBLINGS :
    return Axis.PRECEDINGSIBLING;
  case OpCodes.FROM_PARENT :
    return Axis.PARENT;
  case OpCodes.FROM_NAMESPACE :
    return Axis.NAMESPACE;
  case OpCodes.FROM_ANCESTORS :
    return Axis.ANCESTOR;
  case OpCodes.FROM_ANCESTORS_OR_SELF :
    return Axis.ANCESTORORSELF;
  case OpCodes.FROM_ATTRIBUTES :
    return Axis.ATTRIBUTE;
  case OpCodes.FROM_ROOT :
    return Axis.ROOT;
  case OpCodes.FROM_CHILDREN :
    return Axis.CHILD;
  case OpCodes.FROM_DESCENDANTS_OR_SELF :
    return Axis.DESCENDANTORSELF;
  case OpCodes.FROM_DESCENDANTS :
    return Axis.DESCENDANT;
  case OpCodes.FROM_SELF :
    return Axis.SELF;
  case OpCodes.OP_EXTFUNCTION :
  case OpCodes.OP_FUNCTION :
  case OpCodes.OP_GROUP :
  case OpCodes.OP_VARIABLE :
    return Axis.FILTEREDLIST;
  }

  throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, new Object[]{Integer.toString(stepType)})); //"Programmer's assertion: unknown opcode: "
                             //+ stepType);
 }
Example 4
Source File: WalkerFactory.java    From JDKSourceCode1.8 with MIT License 4 votes vote down vote up 
/**
 * Special purpose function to see if we can optimize the pattern for
 * a DescendantIterator.
 *
 * @param compiler non-null reference to compiler object that has processed
 *                 the XPath operations into an opcode map.
 * @param stepOpCodePos The opcode position for the step.
 *
 * @return 32 bits as an integer that give information about the location
 * path as a whole.
 *
 * @throws javax.xml.transform.TransformerException
 */
public static int getAxisFromStep(
        Compiler compiler, int stepOpCodePos)
          throws javax.xml.transform.TransformerException
{

  int stepType = compiler.getOp(stepOpCodePos);

  switch (stepType)
  {
  case OpCodes.FROM_FOLLOWING :
    return Axis.FOLLOWING;
  case OpCodes.FROM_FOLLOWING_SIBLINGS :
    return Axis.FOLLOWINGSIBLING;
  case OpCodes.FROM_PRECEDING :
    return Axis.PRECEDING;
  case OpCodes.FROM_PRECEDING_SIBLINGS :
    return Axis.PRECEDINGSIBLING;
  case OpCodes.FROM_PARENT :
    return Axis.PARENT;
  case OpCodes.FROM_NAMESPACE :
    return Axis.NAMESPACE;
  case OpCodes.FROM_ANCESTORS :
    return Axis.ANCESTOR;
  case OpCodes.FROM_ANCESTORS_OR_SELF :
    return Axis.ANCESTORORSELF;
  case OpCodes.FROM_ATTRIBUTES :
    return Axis.ATTRIBUTE;
  case OpCodes.FROM_ROOT :
    return Axis.ROOT;
  case OpCodes.FROM_CHILDREN :
    return Axis.CHILD;
  case OpCodes.FROM_DESCENDANTS_OR_SELF :
    return Axis.DESCENDANTORSELF;
  case OpCodes.FROM_DESCENDANTS :
    return Axis.DESCENDANT;
  case OpCodes.FROM_SELF :
    return Axis.SELF;
  case OpCodes.OP_EXTFUNCTION :
  case OpCodes.OP_FUNCTION :
  case OpCodes.OP_GROUP :
  case OpCodes.OP_VARIABLE :
    return Axis.FILTEREDLIST;
  }

  throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, new Object[]{Integer.toString(stepType)})); //"Programmer's assertion: unknown opcode: "
                             //+ stepType);
 }
Example 5
Source File: WalkerFactory.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Special purpose function to see if we can optimize the pattern for
 * a DescendantIterator.
 *
 * @param compiler non-null reference to compiler object that has processed
 *                 the XPath operations into an opcode map.
 * @param stepOpCodePos The opcode position for the step.
 *
 * @return 32 bits as an integer that give information about the location
 * path as a whole.
 *
 * @throws javax.xml.transform.TransformerException
 */
public static int getAxisFromStep(
        Compiler compiler, int stepOpCodePos)
          throws javax.xml.transform.TransformerException
{

  int stepType = compiler.getOp(stepOpCodePos);

  switch (stepType)
  {
  case OpCodes.FROM_FOLLOWING :
    return Axis.FOLLOWING;
  case OpCodes.FROM_FOLLOWING_SIBLINGS :
    return Axis.FOLLOWINGSIBLING;
  case OpCodes.FROM_PRECEDING :
    return Axis.PRECEDING;
  case OpCodes.FROM_PRECEDING_SIBLINGS :
    return Axis.PRECEDINGSIBLING;
  case OpCodes.FROM_PARENT :
    return Axis.PARENT;
  case OpCodes.FROM_NAMESPACE :
    return Axis.NAMESPACE;
  case OpCodes.FROM_ANCESTORS :
    return Axis.ANCESTOR;
  case OpCodes.FROM_ANCESTORS_OR_SELF :
    return Axis.ANCESTORORSELF;
  case OpCodes.FROM_ATTRIBUTES :
    return Axis.ATTRIBUTE;
  case OpCodes.FROM_ROOT :
    return Axis.ROOT;
  case OpCodes.FROM_CHILDREN :
    return Axis.CHILD;
  case OpCodes.FROM_DESCENDANTS_OR_SELF :
    return Axis.DESCENDANTORSELF;
  case OpCodes.FROM_DESCENDANTS :
    return Axis.DESCENDANT;
  case OpCodes.FROM_SELF :
    return Axis.SELF;
  case OpCodes.OP_EXTFUNCTION :
  case OpCodes.OP_FUNCTION :
  case OpCodes.OP_GROUP :
  case OpCodes.OP_VARIABLE :
    return Axis.FILTEREDLIST;
  }

  throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, new Object[]{Integer.toString(stepType)})); //"Programmer's assertion: unknown opcode: "
                             //+ stepType);
 }
Example 6
Source File: WalkerFactory.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Special purpose function to see if we can optimize the pattern for
 * a DescendantIterator.
 *
 * @param compiler non-null reference to compiler object that has processed
 *                 the XPath operations into an opcode map.
 * @param stepOpCodePos The opcode position for the step.
 *
 * @return 32 bits as an integer that give information about the location
 * path as a whole.
 *
 * @throws javax.xml.transform.TransformerException
 */
public static int getAxisFromStep(
        Compiler compiler, int stepOpCodePos)
          throws javax.xml.transform.TransformerException
{

  int stepType = compiler.getOp(stepOpCodePos);

  switch (stepType)
  {
  case OpCodes.FROM_FOLLOWING :
    return Axis.FOLLOWING;
  case OpCodes.FROM_FOLLOWING_SIBLINGS :
    return Axis.FOLLOWINGSIBLING;
  case OpCodes.FROM_PRECEDING :
    return Axis.PRECEDING;
  case OpCodes.FROM_PRECEDING_SIBLINGS :
    return Axis.PRECEDINGSIBLING;
  case OpCodes.FROM_PARENT :
    return Axis.PARENT;
  case OpCodes.FROM_NAMESPACE :
    return Axis.NAMESPACE;
  case OpCodes.FROM_ANCESTORS :
    return Axis.ANCESTOR;
  case OpCodes.FROM_ANCESTORS_OR_SELF :
    return Axis.ANCESTORORSELF;
  case OpCodes.FROM_ATTRIBUTES :
    return Axis.ATTRIBUTE;
  case OpCodes.FROM_ROOT :
    return Axis.ROOT;
  case OpCodes.FROM_CHILDREN :
    return Axis.CHILD;
  case OpCodes.FROM_DESCENDANTS_OR_SELF :
    return Axis.DESCENDANTORSELF;
  case OpCodes.FROM_DESCENDANTS :
    return Axis.DESCENDANT;
  case OpCodes.FROM_SELF :
    return Axis.SELF;
  case OpCodes.OP_EXTFUNCTION :
  case OpCodes.OP_FUNCTION :
  case OpCodes.OP_GROUP :
  case OpCodes.OP_VARIABLE :
    return Axis.FILTEREDLIST;
  }

  throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, new Object[]{Integer.toString(stepType)})); //"Programmer's assertion: unknown opcode: "
                             //+ stepType);
 }
Example 7
Source File: WalkerFactory.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up 
/**
 * Special purpose function to see if we can optimize the pattern for
 * a DescendantIterator.
 *
 * @param compiler non-null reference to compiler object that has processed
 *                 the XPath operations into an opcode map.
 * @param stepOpCodePos The opcode position for the step.
 *
 * @return 32 bits as an integer that give information about the location
 * path as a whole.
 *
 * @throws javax.xml.transform.TransformerException
 */
public static int getAxisFromStep(
        Compiler compiler, int stepOpCodePos)
          throws javax.xml.transform.TransformerException
{

  int stepType = compiler.getOp(stepOpCodePos);

  switch (stepType)
  {
  case OpCodes.FROM_FOLLOWING :
    return Axis.FOLLOWING;
  case OpCodes.FROM_FOLLOWING_SIBLINGS :
    return Axis.FOLLOWINGSIBLING;
  case OpCodes.FROM_PRECEDING :
    return Axis.PRECEDING;
  case OpCodes.FROM_PRECEDING_SIBLINGS :
    return Axis.PRECEDINGSIBLING;
  case OpCodes.FROM_PARENT :
    return Axis.PARENT;
  case OpCodes.FROM_NAMESPACE :
    return Axis.NAMESPACE;
  case OpCodes.FROM_ANCESTORS :
    return Axis.ANCESTOR;
  case OpCodes.FROM_ANCESTORS_OR_SELF :
    return Axis.ANCESTORORSELF;
  case OpCodes.FROM_ATTRIBUTES :
    return Axis.ATTRIBUTE;
  case OpCodes.FROM_ROOT :
    return Axis.ROOT;
  case OpCodes.FROM_CHILDREN :
    return Axis.CHILD;
  case OpCodes.FROM_DESCENDANTS_OR_SELF :
    return Axis.DESCENDANTORSELF;
  case OpCodes.FROM_DESCENDANTS :
    return Axis.DESCENDANT;
  case OpCodes.FROM_SELF :
    return Axis.SELF;
  case OpCodes.OP_EXTFUNCTION :
  case OpCodes.OP_FUNCTION :
  case OpCodes.OP_GROUP :
  case OpCodes.OP_VARIABLE :
    return Axis.FILTEREDLIST;
  }

  throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, new Object[]{Integer.toString(stepType)})); //"Programmer's assertion: unknown opcode: "
                             //+ stepType);
 }
Example 8
Source File: WalkerFactory.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Special purpose function to see if we can optimize the pattern for
 * a DescendantIterator.
 *
 * @param compiler non-null reference to compiler object that has processed
 *                 the XPath operations into an opcode map.
 * @param stepOpCodePos The opcode position for the step.
 *
 * @return 32 bits as an integer that give information about the location
 * path as a whole.
 *
 * @throws javax.xml.transform.TransformerException
 */
public static int getAxisFromStep(
        Compiler compiler, int stepOpCodePos)
          throws javax.xml.transform.TransformerException
{

  int stepType = compiler.getOp(stepOpCodePos);

  switch (stepType)
  {
  case OpCodes.FROM_FOLLOWING :
    return Axis.FOLLOWING;
  case OpCodes.FROM_FOLLOWING_SIBLINGS :
    return Axis.FOLLOWINGSIBLING;
  case OpCodes.FROM_PRECEDING :
    return Axis.PRECEDING;
  case OpCodes.FROM_PRECEDING_SIBLINGS :
    return Axis.PRECEDINGSIBLING;
  case OpCodes.FROM_PARENT :
    return Axis.PARENT;
  case OpCodes.FROM_NAMESPACE :
    return Axis.NAMESPACE;
  case OpCodes.FROM_ANCESTORS :
    return Axis.ANCESTOR;
  case OpCodes.FROM_ANCESTORS_OR_SELF :
    return Axis.ANCESTORORSELF;
  case OpCodes.FROM_ATTRIBUTES :
    return Axis.ATTRIBUTE;
  case OpCodes.FROM_ROOT :
    return Axis.ROOT;
  case OpCodes.FROM_CHILDREN :
    return Axis.CHILD;
  case OpCodes.FROM_DESCENDANTS_OR_SELF :
    return Axis.DESCENDANTORSELF;
  case OpCodes.FROM_DESCENDANTS :
    return Axis.DESCENDANT;
  case OpCodes.FROM_SELF :
    return Axis.SELF;
  case OpCodes.OP_EXTFUNCTION :
  case OpCodes.OP_FUNCTION :
  case OpCodes.OP_GROUP :
  case OpCodes.OP_VARIABLE :
    return Axis.FILTEREDLIST;
  }

  throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, new Object[]{Integer.toString(stepType)})); //"Programmer's assertion: unknown opcode: "
                             //+ stepType);
 }
Example 9
Source File: WalkerFactory.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Special purpose function to see if we can optimize the pattern for
 * a DescendantIterator.
 *
 * @param compiler non-null reference to compiler object that has processed
 *                 the XPath operations into an opcode map.
 * @param stepOpCodePos The opcode position for the step.
 *
 * @return 32 bits as an integer that give information about the location
 * path as a whole.
 *
 * @throws javax.xml.transform.TransformerException
 */
public static int getAxisFromStep(
        Compiler compiler, int stepOpCodePos)
          throws javax.xml.transform.TransformerException
{

  int stepType = compiler.getOp(stepOpCodePos);

  switch (stepType)
  {
  case OpCodes.FROM_FOLLOWING :
    return Axis.FOLLOWING;
  case OpCodes.FROM_FOLLOWING_SIBLINGS :
    return Axis.FOLLOWINGSIBLING;
  case OpCodes.FROM_PRECEDING :
    return Axis.PRECEDING;
  case OpCodes.FROM_PRECEDING_SIBLINGS :
    return Axis.PRECEDINGSIBLING;
  case OpCodes.FROM_PARENT :
    return Axis.PARENT;
  case OpCodes.FROM_NAMESPACE :
    return Axis.NAMESPACE;
  case OpCodes.FROM_ANCESTORS :
    return Axis.ANCESTOR;
  case OpCodes.FROM_ANCESTORS_OR_SELF :
    return Axis.ANCESTORORSELF;
  case OpCodes.FROM_ATTRIBUTES :
    return Axis.ATTRIBUTE;
  case OpCodes.FROM_ROOT :
    return Axis.ROOT;
  case OpCodes.FROM_CHILDREN :
    return Axis.CHILD;
  case OpCodes.FROM_DESCENDANTS_OR_SELF :
    return Axis.DESCENDANTORSELF;
  case OpCodes.FROM_DESCENDANTS :
    return Axis.DESCENDANT;
  case OpCodes.FROM_SELF :
    return Axis.SELF;
  case OpCodes.OP_EXTFUNCTION :
  case OpCodes.OP_FUNCTION :
  case OpCodes.OP_GROUP :
  case OpCodes.OP_VARIABLE :
    return Axis.FILTEREDLIST;
  }

  throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, new Object[]{Integer.toString(stepType)})); //"Programmer's assertion: unknown opcode: "
                             //+ stepType);
 }
Example 10
Source File: WalkerFactory.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Special purpose function to see if we can optimize the pattern for
 * a DescendantIterator.
 *
 * @param compiler non-null reference to compiler object that has processed
 *                 the XPath operations into an opcode map.
 * @param stepOpCodePos The opcode position for the step.
 *
 * @return 32 bits as an integer that give information about the location
 * path as a whole.
 *
 * @throws javax.xml.transform.TransformerException
 */
public static int getAxisFromStep(
        Compiler compiler, int stepOpCodePos)
          throws javax.xml.transform.TransformerException
{

  int stepType = compiler.getOp(stepOpCodePos);

  switch (stepType)
  {
  case OpCodes.FROM_FOLLOWING :
    return Axis.FOLLOWING;
  case OpCodes.FROM_FOLLOWING_SIBLINGS :
    return Axis.FOLLOWINGSIBLING;
  case OpCodes.FROM_PRECEDING :
    return Axis.PRECEDING;
  case OpCodes.FROM_PRECEDING_SIBLINGS :
    return Axis.PRECEDINGSIBLING;
  case OpCodes.FROM_PARENT :
    return Axis.PARENT;
  case OpCodes.FROM_NAMESPACE :
    return Axis.NAMESPACE;
  case OpCodes.FROM_ANCESTORS :
    return Axis.ANCESTOR;
  case OpCodes.FROM_ANCESTORS_OR_SELF :
    return Axis.ANCESTORORSELF;
  case OpCodes.FROM_ATTRIBUTES :
    return Axis.ATTRIBUTE;
  case OpCodes.FROM_ROOT :
    return Axis.ROOT;
  case OpCodes.FROM_CHILDREN :
    return Axis.CHILD;
  case OpCodes.FROM_DESCENDANTS_OR_SELF :
    return Axis.DESCENDANTORSELF;
  case OpCodes.FROM_DESCENDANTS :
    return Axis.DESCENDANT;
  case OpCodes.FROM_SELF :
    return Axis.SELF;
  case OpCodes.OP_EXTFUNCTION :
  case OpCodes.OP_FUNCTION :
  case OpCodes.OP_GROUP :
  case OpCodes.OP_VARIABLE :
    return Axis.FILTEREDLIST;
  }

  throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, new Object[]{Integer.toString(stepType)})); //"Programmer's assertion: unknown opcode: "
                             //+ stepType);
 }
Example 11
Source File: WalkerFactory.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Special purpose function to see if we can optimize the pattern for
 * a DescendantIterator.
 *
 * @param compiler non-null reference to compiler object that has processed
 *                 the XPath operations into an opcode map.
 * @param stepOpCodePos The opcode position for the step.
 *
 * @return 32 bits as an integer that give information about the location
 * path as a whole.
 *
 * @throws javax.xml.transform.TransformerException
 */
public static int getAxisFromStep(
        Compiler compiler, int stepOpCodePos)
          throws javax.xml.transform.TransformerException
{

  int stepType = compiler.getOp(stepOpCodePos);

  switch (stepType)
  {
  case OpCodes.FROM_FOLLOWING :
    return Axis.FOLLOWING;
  case OpCodes.FROM_FOLLOWING_SIBLINGS :
    return Axis.FOLLOWINGSIBLING;
  case OpCodes.FROM_PRECEDING :
    return Axis.PRECEDING;
  case OpCodes.FROM_PRECEDING_SIBLINGS :
    return Axis.PRECEDINGSIBLING;
  case OpCodes.FROM_PARENT :
    return Axis.PARENT;
  case OpCodes.FROM_NAMESPACE :
    return Axis.NAMESPACE;
  case OpCodes.FROM_ANCESTORS :
    return Axis.ANCESTOR;
  case OpCodes.FROM_ANCESTORS_OR_SELF :
    return Axis.ANCESTORORSELF;
  case OpCodes.FROM_ATTRIBUTES :
    return Axis.ATTRIBUTE;
  case OpCodes.FROM_ROOT :
    return Axis.ROOT;
  case OpCodes.FROM_CHILDREN :
    return Axis.CHILD;
  case OpCodes.FROM_DESCENDANTS_OR_SELF :
    return Axis.DESCENDANTORSELF;
  case OpCodes.FROM_DESCENDANTS :
    return Axis.DESCENDANT;
  case OpCodes.FROM_SELF :
    return Axis.SELF;
  case OpCodes.OP_EXTFUNCTION :
  case OpCodes.OP_FUNCTION :
  case OpCodes.OP_GROUP :
  case OpCodes.OP_VARIABLE :
    return Axis.FILTEREDLIST;
  }

  throw new RuntimeException(XSLMessages.createXPATHMessage(XPATHErrorResources.ER_NULL_ERROR_HANDLER, new Object[]{Integer.toString(stepType)})); //"Programmer's assertion: unknown opcode: "
                             //+ stepType);
 }