1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 /* 19 * $Id: AVTPartSimple.java 468643 2006-10-28 06:56:03Z minchau $ 20 */ 21 package org.apache.xalan.templates; 22 23 import org.apache.xml.utils.FastStringBuffer; 24 import org.apache.xpath.XPathContext; 25 26 /** 27 * Simple string part of a complex AVT. 28 * @xsl.usage internal 29 */ 30 public class AVTPartSimple extends AVTPart 31 { 32 static final long serialVersionUID = -3744957690598727913L; 33 34 /** 35 * Simple string value; 36 * @serial 37 */ 38 private String m_val; 39 40 /** 41 * Construct a simple AVT part. 42 * @param val A pure string section of an AVT. 43 */ AVTPartSimple(String val)44 public AVTPartSimple(String val) 45 { 46 m_val = val; 47 } 48 49 /** 50 * Get the AVT part as the original string. 51 * 52 * @return the AVT part as the original string. 53 */ getSimpleString()54 public String getSimpleString() 55 { 56 return m_val; 57 } 58 59 /** 60 * This function is used to fixup variables from QNames to stack frame 61 * indexes at stylesheet build time. 62 * @param vars List of QNames that correspond to variables. This list 63 * should be searched backwards for the first qualified name that 64 * corresponds to the variable reference qname. The position of the 65 * QName in the vector from the start of the vector will be its position 66 * in the stack frame (but variables above the globalsTop value will need 67 * to be offset to the current stack frame). 68 */ fixupVariables(java.util.Vector vars, int globalsSize)69 public void fixupVariables(java.util.Vector vars, int globalsSize) 70 { 71 // no-op 72 } 73 74 75 /** 76 * Write the value into the buffer. 77 * 78 * @param xctxt An XPathContext object, providing infomation specific 79 * to this invocation and this thread. Maintains SAX state, variables, 80 * error handler and so on, so the transformation/XPath object itself 81 * can be simultaneously invoked from multiple threads. 82 * @param buf Buffer to write into. 83 * @param context The current source tree context. 84 * @param nsNode The current namespace context (stylesheet tree context). 85 */ evaluate(XPathContext xctxt, FastStringBuffer buf, int context, org.apache.xml.utils.PrefixResolver nsNode)86 public void evaluate(XPathContext xctxt, FastStringBuffer buf, 87 int context, 88 org.apache.xml.utils.PrefixResolver nsNode) 89 { 90 buf.append(m_val); 91 } 92 /** 93 * @see XSLTVisitable#callVisitors(XSLTVisitor) 94 */ callVisitors(XSLTVisitor visitor)95 public void callVisitors(XSLTVisitor visitor) 96 { 97 // Don't do anything for the subpart for right now. 98 } 99 100 } 101