org.apache.jute.compiler.JBuffer Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.jute.compiler;
/**
*
*/
public class JBuffer extends JCompType {
/**
* Creates a new instance of JBuffer.
*/
public JBuffer() {
super("struct buffer", " ::std::string", "byte[]", "byte[]", "Buffer", "byte[]", "byte[]");
}
public String genCppGetSet(String fname, int fIdx) {
String cgetFunc = " virtual const " + getCppType() + "& get" + fname + "() const {\n";
cgetFunc += " return m" + fname + ";\n";
cgetFunc += " }\n";
String getFunc = " virtual " + getCppType() + "& get" + fname + "() {\n";
getFunc += " bs_.set(" + fIdx + ");return m" + fname + ";\n";
getFunc += " }\n";
return cgetFunc + getFunc;
}
public String getSignature() {
return "B";
}
public String genJavaReadWrapper(String fname, String tag, boolean decl) {
String ret = "";
if (decl) {
ret = " byte[] " + fname + ";\n";
}
return ret + " " + fname + "=a_.readBuffer(\"" + tag + "\");\n";
}
public String genJavaWriteWrapper(String fname, String tag) {
return " a_.writeBuffer(" + fname + ",\"" + tag + "\");\n";
}
public String genJavaCompareTo(String fname, String other) {
StringBuilder sb = new StringBuilder();
sb.append(" {\n");
sb.append(" byte[] my = " + fname + ";\n");
sb.append(" byte[] ur = " + other + ";\n");
sb.append(" ret = org.apache.jute.Utils.compareBytes(my,0,my.length,ur,0,ur.length);\n");
sb.append(" }\n");
return sb.toString();
}
public String genJavaCompareTo(String fname) {
return genJavaCompareTo(fname, "peer." + fname);
}
public String genJavaCompareToWrapper(String fname, String other) {
return " " + genJavaCompareTo(fname, other);
}
public String genJavaEquals(String fname, String peer) {
return " ret = java.util.Arrays.equals(" + fname + "," + peer + ");\n";
}
public String genJavaHashCode(String fname) {
return " ret = java.util.Arrays.hashCode(" + fname + ");\n";
}
public String genJavaSlurpBytes(String b, String s, String l) {
StringBuilder sb = new StringBuilder();
sb.append(" {\n");
sb.append(" int i = org.apache.jute.Utils.readVInt(" + b + ", " + s + ");\n");
sb.append(" int z = WritableUtils.getVIntSize(i);\n");
sb.append(" " + s + " += z+i; " + l + " -= (z+i);\n");
sb.append(" }\n");
return sb.toString();
}
public String genJavaCompareBytes() {
StringBuilder sb = new StringBuilder();
sb.append(" {\n");
sb.append(" int i1 = org.apache.jute.Utils.readVInt(b1, s1);\n");
sb.append(" int i2 = org.apache.jute.Utils.readVInt(b2, s2);\n");
sb.append(" int z1 = WritableUtils.getVIntSize(i1);\n");
sb.append(" int z2 = WritableUtils.getVIntSize(i2);\n");
sb.append(" s1+=z1; s2+=z2; l1-=z1; l2-=z2;\n");
sb.append(" int r1 = org.apache.jute.Utils.compareBytes(b1,s1,l1,b2,s2,l2);\n");
sb.append(" if (r1 != 0) { return (r1<0)?-1:0; }\n");
sb.append(" s1+=i1; s2+=i2; l1-=i1; l1-=i2;\n");
sb.append(" }\n");
return sb.toString();
}
}
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