Dynamic HTML Construction Kit/Dynamic HTML Construction Kit.iso/earthlink/nscomm/java40.jar/java/text/DigitList.class

Java Class File | 1997-11-03 | 2.6 KB | 198 lines

package java.text;

final class DigitList implements Cloneable {
   public static final int MAX_COUNT = 19;
   public int decimalAt;
   public int count;
   public byte[] digits = new byte[19];

   public void clear() {
      this.decimalAt = 0;
      this.count = 0;
   }

   public void append(int var1) {
      if (this.count < 19) {
         this.digits[this.count] = (byte)var1;
      }

      ++this.count;
   }

   public final double getDouble() {
      StringBuffer var1 = new StringBuffer(this.count);
      if (this.count > 19) {
         this.count = 19;
      }

      for(int var2 = 0; var2 < this.count; ++var2) {
         var1.append((char)this.digits[var2]);
      }

      long var3 = Long.parseLong(var1.toString());
      return (double)var3 * Math.pow((double)10.0F, (double)(this.decimalAt - this.count));
   }

   public final long getLong() {
      StringBuffer var1 = new StringBuffer(this.count);

      for(int var2 = 0; var2 < this.count; ++var2) {
         var1.append((char)this.digits[var2]);
      }

      return Long.parseLong(var1.toString());
   }

   private int fixNumber(double var1, StringBuffer var3, int var4) {
      int var5 = 0;
      double var6 = (double)0.0F;
      double var8 = (double)0.0F;
      int var10 = 0;
      double var11 = var1;
      var6 = Math.log(var1);
      var8 = Math.log((double)10.0F);
      double var13 = var6 / var8;

      for(var5 = (int)(var13 - (double)19.0F); var11 > (double)Long.MAX_VALUE; ++var10) {
         var11 /= (double)10.0F;
      }

      String var15 = Long.toString((long)var11);

      int var16;
      for(var16 = var15.length() - 1; var16 >= 0 && var15.charAt(var16) == '0'; --var16) {
      }

      for(int var17 = 0; var17 < var16 + 1; ++var17) {
         var3.append(var15.charAt(var17));
         this.digits[var17] = (byte)var15.charAt(var17);
      }

      this.decimalAt = (int)((double)(var10 - var5) + var13 - (double)var4);
      return var16 + 1;
   }

   public final void set(double var1, int var3) {
      int var4 = 0;
      double var5 = var1 * Math.pow((double)10.0F, (double)var3);
      long var7 = (long)var5;
      boolean var9 = false;
      StringBuffer var10 = new StringBuffer(19);
      if (var7 < 0L) {
         this.count = this.fixNumber(var5, var10, var3);
         var9 = true;
      }

      if (!var9) {
         var10.append(Long.toString(var7));

         while(var7 > 0L && (double)var7 < Math.pow((double)10.0F, (double)(var3 - 1))) {
            var10.insert(0, '0');
            var7 *= 10L;
         }

         for(var4 = var10.length() - 1; var4 >= 0 && var10.charAt(var4) == '0'; --var4) {
            --var3;
         }

         this.count = var4 + 1;

         for(int var11 = 0; var11 < this.count; ++var11) {
            this.digits[var11] = (byte)var10.charAt(var11);
         }

         this.decimalAt = this.count - var3;
      }

      if (this.decimalAt < 0) {
         this.decimalAt = 0;
      }

   }

   public final void set(long var1) {
      String var8;
      if (var1 == Long.MIN_VALUE) {
         var1 = -(var1 + 1L);
         var8 = Long.toString(var1).substring(0, 18);
         char var4 = Long.toString(var1).charAt(18);
         long var5 = (long)(Character.digit(var4, 10) + 1);
         if (var5 > 9L) {
            throw new InternalError("Internal NumberFormat error!");
         }

         var8 = var8 + Long.toString(var5);
      } else {
         var8 = Long.toString(var1);
      }

      if (var8.length() > 19) {
         var8 = var8.substring(0, 19);
      }

      int var10 = 0;

      int var9;
      for(var9 = var8.length() - 1; var9 >= 0 && var8.charAt(var9) == '0'; --var9) {
         --var10;
      }

      this.count = var9 + 1;

      for(int var6 = 0; var6 < this.count; ++var6) {
         this.digits[var6] = (byte)var8.charAt(var6);
      }

      this.decimalAt = this.count - var10;
      if (this.decimalAt < 0) {
         this.decimalAt = 0;
      }

   }

   public Object clone() {
      try {
         return (DigitList)super.clone();
      } catch (CloneNotSupportedException var1) {
         throw new InternalError();
      }
   }

   public boolean equals(Object var1) {
      if (this == var1) {
         return true;
      } else if (!(var1 instanceof DigitList)) {
         return false;
      } else {
         DigitList var2 = (DigitList)var1;
         if (this.hashCode() != var2.hashCode()) {
            return false;
         } else if (this.count != var2.count) {
            return false;
         } else if (this.digits.length != var2.digits.length) {
            return false;
         } else {
            for(int var3 = 0; var3 < this.digits.length; ++var3) {
               if (this.digits[var3] != var2.digits[var3]) {
                  return false;
               }
            }

            return this.decimalAt == var2.decimalAt;
         }
      }
   }

   public int hashCode() {
      int var1 = 0;

      for(int var2 = 0; var2 < this.digits.length; ++var2) {
         short var3 = (short)(this.digits[var2] >> 16);
         short var4 = (short)this.digits[var2];
         var1 ^= var3 ^ var4;
      }

      return var1;
   }
}