19f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/* 29f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Licensed to the Apache Software Foundation (ASF) under one 39f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * or more contributor license agreements. See the NOTICE file 49f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * distributed with this work for additional information 59f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * regarding copyright ownership. The ASF licenses this file 69f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * to you under the Apache License, Version 2.0 (the "License"); 79f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * you may not use this file except in compliance with the License. 89f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * You may obtain a copy of the License at 99f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 109f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * http://www.apache.org/licenses/LICENSE-2.0 119f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 129f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Unless required by applicable law or agreed to in writing, software 139f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * distributed under the License is distributed on an "AS IS" BASIS, 149f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 159f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * See the License for the specific language governing permissions and 169f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * limitations under the License. 179f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 189f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/* 199f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * $Id: ElemVariablePsuedo.java 468643 2006-10-28 06:56:03Z minchau $ 209f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 219f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpackage org.apache.xalan.templates; 229f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 239f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport javax.xml.transform.TransformerException; 249f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 259f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xalan.transformer.TransformerImpl; 269f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.XPath; 279f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 289f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpublic class ElemVariablePsuedo extends ElemVariable 299f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson{ 309f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson static final long serialVersionUID = 692295692732588486L; 319f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson XUnresolvedVariableSimple m_lazyVar; 329f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 339f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 349f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Set the "select" attribute. 359f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * If the variable-binding element has a select attribute, 369f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * then the value of the attribute must be an expression and 379f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * the value of the variable is the object that results from 389f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * evaluating the expression. In this case, the content 399f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * of the variable must be empty. 409f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 419f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param v Value to set for the "select" attribute. 429f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 439f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public void setSelect(XPath v) 449f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 459f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson super.setSelect(v); 469f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_lazyVar = new XUnresolvedVariableSimple(this); 479f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 489f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 499f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 509f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Execute a variable declaration and push it onto the variable stack. 519f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @see <a href="http://www.w3.org/TR/xslt#variables">variables in XSLT Specification</a> 529f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 539f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param transformer non-null reference to the the current transform-time state. 549f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 559f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @throws TransformerException 569f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 579f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public void execute(TransformerImpl transformer) throws TransformerException 589f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 599f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 609f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // if (TransformerImpl.S_DEBUG) 619f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // transformer.getTraceManager().fireTraceEvent(this); 629f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 639f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // transformer.getXPathContext().getVarStack().pushVariable(m_qname, var); 649f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson transformer.getXPathContext().getVarStack().setLocalVariable(m_index, m_lazyVar); 659f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 669f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 679f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson} 689f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 69