Examples of org.apache.xpath.functions.Function

org.apache.xpath.functions.Function
This is a superclass of all XPath functions. This allows two ways for the class to be called. One method is that the super class processes the arguments and hands the results to the derived class, the other method is that the derived class may process it's own arguments, which is faster since the arguments don't have to be added to an array, but causes a larger code footprint.


    opPos++;


    if (-1 != funcID)
    {
      Function func = FunctionTable.getFunction(funcID);


      func.postCompileStep(this);
      
      try
      {
        int i = 0;


        for (int p = opPos; p < endFunc; p = getNextOpPos(p), i++)
        {


          // System.out.println("argPos: "+ p);
          // System.out.println("argCode: "+ m_opMap[p]);
          func.setArg(compile(p), i);
        }


        func.checkNumberArgs(i);
      }
      catch (WrongNumberArgsException wnae)
      {
        java.lang.String name = FunctionTable.m_functions[funcID].getName();

View Full Code Here


    // We create a method key to uniquely identify this function so that we
    // can cache the object needed to invoke it.  This way, we only pay the
    // reflection overhead on the first call.


    Function extension = new FuncExtFunction(ns, funcName, 
         String.valueOf(opPos)
       + String.valueOf(hashCode())
       + String.valueOf(System.currentTimeMillis()));


    try
    {
      int i = 0;


      while (opPos < endExtFunc)
      {
        int nextOpPos = getNextOpPos(opPos);


        extension.setArg(this.compile(opPos), i);


        opPos = nextOpPos;


        i++;
      }

View Full Code Here

      {
        if (false == m_xpathFunctionsInited)
        {
          m_xpathFunctionsInited = true;


          Function func = new org.apache.xalan.templates.FuncDocument();


          FunctionTable.installFunction("document", func);


          // func = new org.apache.xalan.templates.FuncKey();
          // FunctionTable.installFunction("key", func);

View Full Code Here


    opPos++;


    if (-1 != funcID)
    {
      Function func = FunctionTable.getFunction(funcID);


      func.postCompileStep(this);
      
      try
      {
        int i = 0;


        for (int p = opPos; p < endFunc; p = getNextOpPos(p), i++)
        {


          // System.out.println("argPos: "+ p);
          // System.out.println("argCode: "+ m_opMap[p]);
          func.setArg(compile(p), i);
        }


        func.checkNumberArgs(i);
      }
      catch (WrongNumberArgsException wnae)
      {
        java.lang.String name = FunctionTable.m_functions[funcID].getName();

View Full Code Here


    // We create a method key to uniquely identify this function so that we
    // can cache the object needed to invoke it.  This way, we only pay the
    // reflection overhead on the first call.


    Function extension = new FuncExtFunction(ns, funcName, 
         String.valueOf(opPos)
       + String.valueOf(hashCode())
       + String.valueOf(System.currentTimeMillis()));


    try
    {
      int i = 0;


      while (opPos < endExtFunc)
      {
        int nextOpPos = getNextOpPos(opPos);


        extension.setArg(this.compile(opPos), i);


        opPos = nextOpPos;


        i++;
      }

View Full Code Here

        function = Class.forName(classname);
      }
      else
        function = Class.forName(m_funcName);


      Function func = (Function) function.newInstance();


      return func;
    }
    catch (ClassNotFoundException e)
    {

View Full Code Here


    opPos++;


    if (-1 != funcID)
    {
      Function func = m_functionTable.getFunction(funcID);
      
      /**
       * It is a trick for function-available. Since the function table is an
       * instance field, insert this table at compilation time for later usage
       */
      
      if (func instanceof FuncExtFunctionAvailable)
          ((FuncExtFunctionAvailable) func).setFunctionTable(m_functionTable);


      func.postCompileStep(this);
      
      try
      {
        int i = 0;


        for (int p = opPos; p < endFunc; p = getNextOpPos(p), i++)
        {


          // System.out.println("argPos: "+ p);
          // System.out.println("argCode: "+ m_opMap[p]);
          func.setArg(compile(p), i);
        }


        func.checkNumberArgs(i);
      }
      catch (WrongNumberArgsException wnae)
      {
        java.lang.String name = m_functionTable.getFunctionName(funcID);

View Full Code Here


    // We create a method key to uniquely identify this function so that we
    // can cache the object needed to invoke it.  This way, we only pay the
    // reflection overhead on the first call.


    Function extension = new FuncExtFunction(ns, funcName, String.valueOf(getNextMethodId()));


    try
    {
      int i = 0;


      while (opPos < endExtFunc)
      {
        int nextOpPos = getNextOpPos(opPos);


        extension.setArg(this.compile(opPos), i);


        opPos = nextOpPos;


        i++;
      }

View Full Code Here


    opPos++;


    if (-1 != funcID)
    {
      Function func = m_functionTable.getFunction(funcID);
      
      /**
       * It is a trick for function-available. Since the function table is an
       * instance field, insert this table at compilation time for later usage
       */
      
      if (func instanceof FuncExtFunctionAvailable)
          ((FuncExtFunctionAvailable) func).setFunctionTable(m_functionTable);


      func.postCompileStep(this);
      
      try
      {
        int i = 0;


        for (int p = opPos; p < endFunc; p = getNextOpPos(p), i++)
        {


          // System.out.println("argPos: "+ p);
          // System.out.println("argCode: "+ m_opMap[p]);
          func.setArg(compile(p), i);
        }


        func.checkNumberArgs(i);
      }
      catch (WrongNumberArgsException wnae)
      {
        java.lang.String name = m_functionTable.getFunctionName(funcID);

View Full Code Here


    // We create a method key to uniquely identify this function so that we
    // can cache the object needed to invoke it.  This way, we only pay the
    // reflection overhead on the first call.


    Function extension = new FuncExtFunction(ns, funcName, String.valueOf(getNextMethodId()));


    try
    {
      int i = 0;


      while (opPos < endExtFunc)
      {
        int nextOpPos = getNextOpPos(opPos);


        extension.setArg(this.compile(opPos), i);


        opPos = nextOpPos;


        i++;
      }

View Full Code Here

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org.apache.xpath.compiler.Compiler

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