| /* |
| * 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.asterix.recordmanagergenerator; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| |
| import org.apache.asterix.recordmanagergenerator.RecordType.Field; |
| |
| public class Generator { |
| |
| public enum TemplateType { |
| RECORD_MANAGER, |
| ARENA_MANAGER, |
| SUPPORT |
| } |
| |
| public static void generateSource(TemplateType tmplType, String packageName, RecordType rec, InputStream is, |
| StringBuilder sb, boolean debug) { |
| try { |
| BufferedReader in = new BufferedReader(new InputStreamReader(is)); |
| |
| switch (tmplType) { |
| case RECORD_MANAGER: |
| generateMemoryManagerSource(packageName, rec, in, sb, debug); |
| break; |
| case ARENA_MANAGER: |
| generateArenaManagerSource(packageName, rec, in, sb, debug); |
| break; |
| case SUPPORT: |
| generateSupportFileSource(packageName, in, sb, debug); |
| break; |
| default: |
| throw new IllegalArgumentException(); |
| } |
| } catch (IOException ioe) { |
| ioe.printStackTrace(); |
| } |
| |
| } |
| |
| private static void generateMemoryManagerSource(String packageName, RecordType resource, BufferedReader in, |
| StringBuilder sb, boolean debug) throws IOException { |
| String line = null; |
| String indent = " "; |
| |
| while ((line = in.readLine()) != null) { |
| if (line.contains("@PACKAGE@")) { |
| line = line.replace("@PACKAGE@", packageName); |
| } |
| if (line.contains("@E@")) { |
| line = line.replace("@E@", resource.name); |
| } |
| if (line.contains("@DEBUG@")) { |
| line = line.replace("@DEBUG@", Boolean.toString(debug)); |
| } |
| if (line.contains("@CONSTS@")) { |
| resource.appendConstants(sb, indent, 1); |
| sb.append('\n'); |
| } else if (line.contains("@METHODS@")) { |
| for (int i = 0; i < resource.size(); ++i) { |
| final Field field = resource.fields.get(i); |
| if (field.accessible) { |
| field.appendMemoryManagerGetMethod(sb, indent, 1); |
| sb.append('\n'); |
| field.appendMemoryManagerSetMethod(sb, indent, 1); |
| sb.append('\n'); |
| } |
| } |
| } else if (line.contains("@INIT_SLOT@")) { |
| for (int i = 0; i < resource.size(); ++i) { |
| final Field field = resource.fields.get(i); |
| field.appendInitializers(sb, indent, 3); |
| } |
| } else if (line.contains("@CHECK_SLOT@")) { |
| for (int i = 0; i < resource.size(); ++i) { |
| final Field field = resource.fields.get(i); |
| field.appendChecks(sb, indent, 3); |
| } |
| } else if (line.contains("@PRINT_BUFFER@")) { |
| resource.appendBufferPrinter(sb, indent, 3); |
| sb.append('\n'); |
| } else { |
| sb.append(line).append('\n'); |
| } |
| } |
| } |
| |
| private static void generateArenaManagerSource(String packageName, RecordType resource, BufferedReader in, |
| StringBuilder sb, boolean debug) throws IOException { |
| String line = null; |
| String indent = " "; |
| |
| while ((line = in.readLine()) != null) { |
| if (line.contains("@PACKAGE@")) { |
| line = line.replace("@PACKAGE@", packageName); |
| } |
| if (line.contains("@E@")) { |
| line = line.replace("@E@", resource.name); |
| } |
| if (line.contains("@DEBUG@")) { |
| line = line.replace("@DEBUG@", Boolean.toString(debug)); |
| } |
| if (line.contains("@METHODS@")) { |
| for (int i = 0; i < resource.size(); ++i) { |
| final Field field = resource.fields.get(i); |
| if (field.accessible) { |
| field.appendArenaManagerGetMethod(sb, indent, 1); |
| sb.append('\n'); |
| field.appendArenaManagerSetMethod(sb, indent, 1); |
| sb.append('\n'); |
| } |
| } |
| } else if (line.contains("@PRINT_RECORD@")) { |
| resource.appendRecordPrinter(sb, indent, 1); |
| sb.append('\n'); |
| } else { |
| sb.append(line).append('\n'); |
| } |
| } |
| } |
| |
| private static void generateSupportFileSource(String packageName, BufferedReader in, StringBuilder sb, |
| boolean debug) throws IOException { |
| String line = null; |
| while ((line = in.readLine()) != null) { |
| if (line.contains("@PACKAGE@")) { |
| line = line.replace("@PACKAGE@", packageName); |
| } |
| sb.append(line).append('\n'); |
| } |
| } |
| } |