Robust/src/Util/InputFileTranslator.java

   1 package Util;\r
   2 \r
   3 import java.util.Vector;\r
   4 import java.util.zip.GZIPInputStream;\r
   5 import java.io.File;\r
   6 import java.io.FileWriter;\r
   7 import java.io.OutputStream;\r
   8 import java.io.FileOutputStream;\r
   9 import java.io.FileInputStream;\r
  10 import java.io.FileNotFoundException;\r
  11 import java.io.IOException;\r
  12 import java.io.PrintWriter;\r
  13 \r
  14 public class InputFileTranslator{\r
  15     public static String PREFIX="";\r
  16     \r
  17     public static void main(String args[]){\r
  18         try{\r
  19             //To Uncompress GZip File Contents we need to open the gzip file.....\r
  20             if(args.length<=0){\r
  21                 System.out.println("Please enter the valid file name");\r
  22             }else{\r
  23                 int offset = 0;\r
  24                 if (args[offset].equals("-dir")) {\r
  25                     PREFIX=args[++offset]+"/";\r
  26                     offset++;\r
  27                 }\r
  28 \r
  29                 System.out.println("Opening the output file............. : opened");\r
  30                 \r
  31                 //Create the .h file \r
  32                 String outFilename = PREFIX+"InputFileArrays.h";\r
  33                 PrintWriter out = new PrintWriter(new FileWriter(new File(outFilename)));\r
  34                 out.println("#ifndef INPUT_FILE_ARRAYS_H");\r
  35                 out.println("#define INPUT_FILE_ARRAYS_H");\r
  36                 out.println();\r
  37                 out.println("#ifndef bool");\r
  38                 out.println("typedef int bool;");\r
  39                 out.println("#define true 1");\r
  40                 out.println("#define false 0");\r
  41                 out.println("#endif");\r
  42                 out.println();\r
  43                 out.println("int filename2fd(char * filename, int length);");\r
  44                 out.println("int nextInt(int fd, int * pos);");\r
  45                 out.println("double nextDouble(int fd, int * pos);");\r
  46                 out.println("#endif");\r
  47                 out.close();\r
  48                 \r
  49                 //Create the .c file that contains the big two-dimension array and \r
  50                 //read functions\r
  51                 outFilename = PREFIX+"InputFileArrays.c";\r
  52                 out = new PrintWriter(new FileWriter(new File(outFilename)));\r
  53                 out.println("#include \"InputFileArrays.h\"");\r
  54                 out.println();\r
  55                 Vector<String> sourcefiles=new Vector<String>();\r
  56                 for(int i=0; i<args.length-offset; i++)  {\r
  57                     String inFilename = args[i+offset];\r
  58                     String arrayname = inFilename.replaceAll("\\.", "_");\r
  59                     sourcefiles.add(arrayname);\r
  60                     out.println("#define " + arrayname.toUpperCase() + " " + i);\r
  61                     System.out.println("Opening the gzip file.......................... :  opened");\r
  62                     GZIPInputStream gzipInputStream = null;\r
  63                     FileInputStream fileInputStream = null;\r
  64                     gzipInputStream = new GZIPInputStream(new FileInputStream(inFilename));\r
  65                     //OutputStream out = new FileOutputStream(outFilename);\r
  66                     System.out.println("Trsansferring bytes from the compressed file to the output file........:  Transfer successful");\r
  67                     \r
  68                     out.println("unsigned char " + arrayname + "[] = {");\r
  69 \r
  70                     boolean printComma = false;\r
  71                     boolean printReturn = false;\r
  72                     byte[] buf = new byte[1024];  //size can be changed according to programmer's need.\r
  73                     int len;\r
  74                     while ((len = gzipInputStream.read(buf)) > 0) {\r
  75                         //out.write(buf, 0, len);\r
  76                         for(int j = 0; j < len; j++) {\r
  77                             if('#' == buf[j]) {\r
  78                                 // skip the comments\r
  79                                 while(j<len && buf[j++] != '\n') {\r
  80                                 }\r
  81                             } else {\r
  82                                 if(!printComma) {\r
  83                                     printComma = true;\r
  84                                 } else {\r
  85                                     out.print(',');\r
  86                                 }\r
  87                                 if(printReturn) {\r
  88                                     out.println();\r
  89                                     printReturn = false;\r
  90                                 }\r
  91                                 if('\n' == buf[j]) {\r
  92                                     out.print("\'\\n\'");\r
  93                                     printReturn = true;\r
  94                                 } else {\r
  95                                     out.print(buf[j]);\r
  96                                 }\r
  97                             }\r
  98                         }\r
  99                     }\r
 100                     out.println("};");\r
 101                     out.println();\r
 102                     gzipInputStream.close();\r
 103                 }\r
 104                 \r
 105                 out.println();\r
 106                 out.println("unsigned char * inputFileArrays[]= {");\r
 107                 for(int i = 0; i < sourcefiles.size(); i++) {\r
 108                     String arrayname = sourcefiles.elementAt(i);\r
 109                     \r
 110                     if(i > 0) {\r
 111                         out.println(',');\r
 112                     }\r
 113                     out.print("&"+arrayname+"[0]");\r
 114                 }\r
 115                 out.println();\r
 116                 out.println("};");\r
 117                 out.println();\r
 118                 \r
 119                 //Create the read functions\r
 120                 out.println("int filename2fd(char * filename, int length) {");\r
 121                 for(int i=0; i<sourcefiles.size(); i++)  {\r
 122                     String inFilename = sourcefiles.elementAt(i);\r
 123                     String arrayname = inFilename.replaceAll("\\.", "_");\r
 124                     out.print("  char " + arrayname + "[] = {");\r
 125                     for(int j = 0; j < inFilename.length(); j++) {\r
 126                         if(j>0) {\r
 127                             out.print(",");\r
 128                         }\r
 129                         out.print("'"+inFilename.charAt(j)+"'");\r
 130                     }\r
 131                     out.println("};");\r
 132                     out.println("  if(length==" + inFilename.length() + ") {");\r
 133                     out.println("    int i;");\r
 134                     out.println("    for(i = 0; i < length; i++) {");\r
 135                     out.println("      if(filename[i]!="+arrayname+"[i]) {");\r
 136                     out.println("        break;");\r
 137                     out.println("      }");\r
 138                     out.println("    }");\r
 139                     out.println("    if(i==length) {");\r
 140                     out.println("      return "+arrayname.toUpperCase() + ";");\r
 141                     out.println("    }");\r
 142                     out.println("  }");\r
 143                     out.println();\r
 144                 }\r
 145                 out.println("}");\r
 146                 \r
 147                 out.println();\r
 148                 out.println("int nextInt(int fd, int * pos) {");\r
 149                 out.println("    int i = 0;");\r
 150                 out.println("    unsigned char * filearray = inputFileArrays[fd];");\r
 151                 out.println("    while((filearray[*pos]==\' \')||(filearray[*pos]==\'\\n\')){");\r
 152                 out.println("     *pos++;");\r
 153                 out.println("    }");\r
 154                 out.println("    int value = 0;");\r
 155                 out.println("    bool isNeg=false;");\r
 156                 out.println("    int radix = 10;");\r
 157                 out.println();\r
 158                 out.println("    if (filearray[*pos]==\'-\') {");\r
 159                 out.println("      isNeg=true;");\r
 160                 out.println("      *pos++;");\r
 161                 out.println("    }");\r
 162                 out.println("    bool cont=true;");\r
 163                 out.println("    do {");\r
 164                 out.println("     unsigned char b=filearray[*pos];");\r
 165                 out.println("        int val;");\r
 166                 out.println("        if (b>=\'0\'&&b<=\'9\')");\r
 167                 out.println("          val=b-\'0\';");\r
 168                 out.println("        else if (b>=\'a\'&&b<=\'z\')");\r
 169                 out.println("          val=10+b-\'a\';");\r
 170                 out.println("       else if (b>=\'A\'&&b<=\'Z\')");\r
 171                 out.println("          val=10+b-\'A\';");\r
 172                 out.println("        else {");\r
 173                 out.println("          cont=false;");\r
 174                 out.println("        }");\r
 175                 out.println("        if (cont) {");\r
 176                 out.println("          if (val>=radix)");\r
 177                 out.println("            printf(\"Error in nextInt(): val >= radix\");");\r
 178                 out.println("          value=value*radix+val;");\r
 179                 out.println("          *pos++;");\r
 180                 out.println("        }");\r
 181                 out.println("    }while(cont);");\r
 182                 out.println("    if (isNeg)");\r
 183                 out.println("     value=-value;");\r
 184                 out.println();\r
 185                 out.println("    return value;");\r
 186                 out.println("  }");\r
 187                 out.println();\r
 188                 \r
 189                 out.println("double nextDouble(int fd, int * pos) {");\r
 190                 out.println("    int i = 0;");\r
 191                 out.println("    unsigned char * filearray = inputFileArrays[fd];");\r
 192                 out.println("    while((filearray[*pos]==\' \')||(filearray[*pos]==\'\\n\')){");\r
 193                 out.println("     *pos++;");\r
 194                 out.println("    }");\r
 195                 out.println("    double value = 0.0;");\r
 196                 out.println("//TODO");\r
 197                 out.println("    return value;");\r
 198                 out.println("  }");\r
 199                 out.println();\r
 200 \r
 201                 System.out.println("The file and stream is ......closing.......... : closed");\r
 202                 out.close();\r
 203             }\r
 204         }\r
 205         catch(IOException e){\r
 206             System.out.println("Exception has been thrown" + e);\r
 207         }\r
 208     }\r
 209 }\r