text: /*
   * Copyright (c) 2001-2008
   *     DecisionSoft Limited. All rights reserved.
   * Copyright (c) 2004-2008
   *     Oracle. All rights reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   * $Id$
   */
  
  #include "../config/xqilla_config.h"
  #include <xqilla/functions/FunctionNodeName.hpp>
  #include <xqilla/items/Node.hpp>
  #include <xqilla/exceptions/FunctionException.hpp>
  #include <xqilla/context/DynamicContext.hpp>
  
  const XMLCh FunctionNodeName::name[] = {
    XERCES_CPP_NAMESPACE_QUALIFIER chLatin_n, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_o, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_d, 
    XERCES_CPP_NAMESPACE_QUALIFIER chLatin_e, XERCES_CPP_NAMESPACE_QUALIFIER chDash,    XERCES_CPP_NAMESPACE_QUALIFIER chLatin_n, 
    XERCES_CPP_NAMESPACE_QUALIFIER chLatin_a, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_m, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_e, 
    XERCES_CPP_NAMESPACE_QUALIFIER chNull 
  };
  const unsigned int FunctionNodeName::minArgs = 1;
  const unsigned int FunctionNodeName::maxArgs = 1;
  
  /*
   * fn:node-name($arg as node()?) as xs:QName?
   */
  
  FunctionNodeName::FunctionNodeName(const VectorOfASTNodes &args, XPath2MemoryManager* memMgr)
    : ConstantFoldingFunction(name, minArgs, maxArgs, "node()?", args, memMgr)
  {
  }
  
  ASTNode *FunctionNodeName::staticTypingImpl(StaticContext *context)
  {
    _src.clear();
  
    ASTNode *result = calculateSRCForArguments(context);
    if(result != this) return result;
  
    if(_args[0]->getStaticAnalysis().getStaticType().getMin() == 1 &&
       _args[0]->getStaticAnalysis().getStaticType().isType(StaticType::ELEMENT_TYPE | StaticType::ATTRIBUTE_TYPE |
                                                            StaticType::PI_TYPE | StaticType::NAMESPACE_TYPE)) {
      _src.getStaticType() = StaticType::QNAME_TYPE;
    }
    else {
      _src.getStaticType() = StaticType(StaticType::QNAME_TYPE, 0, 1);
    }
  
    return this;
  }
  
  Sequence FunctionNodeName::createSequence(DynamicContext* context, int flags) const
  {
    Item::Ptr item = getParamNumber(1,context)->next(context);
    if(item.isNull())
      return Sequence(context->getMemoryManager());
    return Sequence(((Node*)item.get())->dmNodeName(context), context->getMemoryManager());
  }
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  