jars/icu4j-4_4_2-src/tools/misc/src/com/ibm/icu/dev/tool/layout/ModuleWriter.java

   1 /*\r
   2  *******************************************************************************\r
   3  * Copyright (C) 1998-2008, International Business Machines Corporation and    *\r
   4  * others. All Rights Reserved.                                                *\r
   5  *******************************************************************************\r
   6  *\r
   7  * Created on Dec 3, 2003\r
   8  *\r
   9  *******************************************************************************\r
  10  */\r
  11 \r
  12 package com.ibm.icu.dev.tool.layout;\r
  13 \r
  14 import java.io.BufferedReader;\r
  15 import java.io.FileOutputStream;\r
  16 import java.io.FileReader;\r
  17 import java.io.IOException;\r
  18 import java.io.PrintStream;\r
  19 import java.util.ArrayList;\r
  20 import java.util.Date;\r
  21 \r
  22 import com.ibm.icu.text.MessageFormat;\r
  23 \r
  24 public class ModuleWriter\r
  25 {\r
  26     private static final String BUILDER_FILE_PATH="src/com/ibm/icu/dev/tool/layout/"; \r
  27         \r
  28     public ModuleWriter()\r
  29     {\r
  30         wroteDefine = false;\r
  31         output = null;\r
  32     }\r
  33 \r
  34     public void openFile(String outputFileName) {\r
  35         try\r
  36         {\r
  37             output = new PrintStream(\r
  38                 new FileOutputStream(BUILDER_FILE_PATH+outputFileName));\r
  39         } catch (IOException e) {\r
  40             System.out.println("? Could not open " + outputFileName + " for writing.");\r
  41             return;\r
  42         }\r
  43     \r
  44         wroteDefine = false;\r
  45         System.out.println("Writing module " + outputFileName + "...");\r
  46     }\r
  47 \r
  48     public void writeHeader(String define, String[] includeFiles)\r
  49     {\r
  50         writeHeader(define, includeFiles, null);\r
  51     }\r
  52     \r
  53     public void writeHeader(String define, String[] includeFiles, String brief)\r
  54     {\r
  55         MessageFormat format = new MessageFormat(moduleHeader);\r
  56         Object args[] = {new Date(System.currentTimeMillis())};\r
  57 \r
  58         output.print(format.format(args));\r
  59         \r
  60         if (define != null) {\r
  61             wroteDefine = true;\r
  62             output.print("#ifndef ");\r
  63             output.println(define);\r
  64             \r
  65             output.print("#define ");\r
  66             output.println(define);\r
  67             \r
  68             output.println();\r
  69         }\r
  70         \r
  71         if (includeFiles != null) {\r
  72             for (int i = 0; i < includeFiles.length; i += 1) {\r
  73                 output.print("#include \"");\r
  74                 output.print(includeFiles[i]);\r
  75                 output.println("\"");\r
  76             }\r
  77             \r
  78             output.println();\r
  79         }\r
  80         \r
  81         if (brief != null) {\r
  82             output.print(brief);\r
  83         }\r
  84         \r
  85         output.println(moduleBegin);\r
  86     }\r
  87 \r
  88     public void writeTrailer() {\r
  89         output.print(moduleTrailer);\r
  90         \r
  91         if (wroteDefine) {\r
  92             output.println("#endif");\r
  93             \r
  94         }\r
  95     }\r
  96 \r
  97     public void closeFile() {\r
  98         System.out.println("Done.");\r
  99         output.close();\r
 100     }\r
 101 \r
 102     protected boolean wroteDefine;\r
 103     \r
 104     protected PrintStream output;\r
 105     \r
 106     protected BufferedReader reader;\r
 107     protected PrintStream updateFile;\r
 108     protected int previousTotalScripts;\r
 109     protected int previousTotalLanguages;\r
 110     protected ArrayList scriptVersionNumber = new ArrayList();\r
 111     protected ArrayList languageVersionNumber = new ArrayList();\r
 112     \r
 113     public void openScriptAndLanguages(String name){\r
 114         try\r
 115         {\r
 116             updateFile = new PrintStream(new FileOutputStream(BUILDER_FILE_PATH+name));\r
 117         } catch (IOException e) {\r
 118             System.out.println("? Could not open " + name + " for writing.");\r
 119             return;\r
 120         }\r
 121     }\r
 122     \r
 123     public void readFile(String file, String what){\r
 124         try\r
 125         {\r
 126            reader = new BufferedReader(new FileReader(BUILDER_FILE_PATH+file));\r
 127            String inputText = "";\r
 128            String versionToAdd = "";\r
 129            while((inputText=reader.readLine())!=null){\r
 130                if(what.equals("script") && inputText.indexOf("Script=") >= 0){\r
 131                    previousTotalScripts = Integer.parseInt(inputText.substring(inputText.indexOf("=")+1));\r
 132                }else if(what.equals("languages") && inputText.indexOf("Language=") >= 0){\r
 133                    previousTotalLanguages = Integer.parseInt(inputText.substring(inputText.indexOf("=")+1));\r
 134                }else if(what.equals("script") && inputText.indexOf("Scripts={") >= 0){\r
 135                    while((versionToAdd=reader.readLine()).indexOf("}") == -1){\r
 136                        scriptVersionNumber.add(versionToAdd);\r
 137                    }\r
 138                }else if(what.equals("languages") && inputText.indexOf("Languages={") >= 0){\r
 139                    while((versionToAdd=reader.readLine()).indexOf("}") == -1){\r
 140                        languageVersionNumber.add(versionToAdd);\r
 141                    }\r
 142                }\r
 143            }\r
 144            reader.close();\r
 145            \r
 146         } catch (IOException e) {\r
 147             System.out.println("? Could not open " + file + " for reading.");\r
 148             return;\r
 149         }\r
 150     }\r
 151     \r
 152     \r
 153     \r
 154     protected static final String moduleHeader =\r
 155         "/*\n" +\r
 156         " *\n" +\r
 157         " * (C) Copyright IBM Corp. 1998-{0,date,yyyy}. All Rights Reserved.\n" +\r
 158         " *\n" +\r
 159         " * WARNING: THIS FILE IS MACHINE GENERATED. DO NOT HAND EDIT IT UNLESS\n" +\r
 160         " * YOU REALLY KNOW WHAT YOU''RE DOING.\n" +\r
 161         " *\n" +\r
 162         " * Generated on: {0,date,MM/dd/yyyy hh:mm:ss a z}\n" +\r
 163         " */\n" +\r
 164         "\n";\r
 165 \r
 166     protected static final String moduleBegin = "U_NAMESPACE_BEGIN\n";\r
 167 \r
 168     protected static final String moduleTrailer = "U_NAMESPACE_END\n";\r
 169 \r
 170 }\r