PC Online 1999 November/PCONLINE_11_99.ISO/filesbbs/OS2/APCHSSL2.ZIP/OS2HTTPD/jserv/com/netscape/javascript/ReplaceData.class

Java Class File | 1999-04-09 | 3.2 KB | 177 lines

package com.netscape.javascript;

import java.util.Vector;

class ReplaceData extends GlobData {
   Function lambda;
   char[] repstr;
   int dollar = -1;
   char[] charArray;
   int length;
   int index;
   int leftIndex;

   void doReplace(RegExpStatics var1, char[] var2, int var3) {
      int var4 = 0;
      char[] var5 = this.repstr;
      int var6 = this.dollar;
      int var7 = var4;
      if (var6 != -1) {
         label22:
         while(true) {
            int var8 = var6 - var4;
            System.arraycopy(this.repstr, var4, var2, var3, var8);
            var3 += var8;
            var4 = var6;
            int[] var9 = new int[1];
            SubString var10 = interpretDollar(var1, var5, var6, var7, var9);
            if (var10 != null) {
               var8 = var10.length;
               System.arraycopy(var10.charArray, var10.index, var2, var3, var8);
               var3 += var8;
               var4 = var6 + var9[0];
            }

            ++var6;

            while(true) {
               if (var6 >= var2.length) {
                  break label22;
               }

               if (var2[var6++] == '$') {
                  break;
               }
            }
         }
      }

      System.arraycopy(this.repstr, var4, var2, var3, this.repstr.length - var4);
   }

   int findReplen(RegExpStatics var1) throws JavaScriptException {
      if (this.lambda == null) {
         int var9 = this.repstr.length;
         if (this.dollar == -1) {
            return var9;
         } else {
            byte var10 = 0;

            for(int var11 = this.dollar; var11 < this.repstr.length; ++var11) {
               char var12 = this.repstr[var11];
               if (var12 == '$') {
                  int[] var13 = new int[1];
                  SubString var15 = interpretDollar(var1, this.repstr, var11, var10, var13);
                  if (var15 != null) {
                     var9 += var15.length - var13[0];
                  }
               }
            }

            return var9;
         }
      } else {
         Context var2 = Context.getContext();
         RegExpStatics var3 = var2.getRegExpStatics();
         Vector var4 = var3.parens;
         int var5 = var4.size();
         Object[] var6 = new Object[var5 + 3];
         var6[0] = var3.lastMatch.toString();

         for(int var7 = 0; var7 < var5; ++var7) {
            SubString var8 = (SubString)var4.elementAt(var7);
            var6[var7 + 1] = var8.toString();
         }

         var6[var5 + 1] = new Integer(var3.leftContext.length);
         var6[var5 + 2] = super.str;
         Scriptable var14 = this.lambda.getParentScope();
         Object var16 = this.lambda.call(var2, var14, var14, var6);
         this.repstr = ScriptRuntime.toString(var16).toCharArray();
         return this.repstr.length;
      }
   }

   static SubString interpretDollar(RegExpStatics var0, char[] var1, int var2, int var3, int[] var4) {
      if (var1[var2] != '$') {
         throw new RuntimeException();
      } else if (var2 > var3 && var1[var2 - 1] == '\\') {
         return null;
      } else {
         char var7 = var1[var2 + 1];
         if (!NativeRegExp.isDigit(var7)) {
            var4[0] = 2;
            switch (var7) {
               case '&':
                  return var0.lastMatch;
               case '\'':
                  return var0.rightContext;
               case '+':
                  return var0.lastParen;
               case '`':
                  Context var10 = Context.getContext();
                  if (var10.getLanguageVersion() == 120) {
                     var0.leftContext.index = 0;
                     var0.leftContext.length = var0.lastMatch.index;
                  }

                  return var0.leftContext;
               default:
                  return null;
            }
         } else if (var7 == '0') {
            return null;
         } else {
            int var8 = 0;
            char[] var5 = var1;
            int var6 = var2;

            while(true) {
               ++var6;
               if (var6 >= var5.length || !NativeRegExp.isDigit(var7 = var5[var6])) {
                  break;
               }

               int var9 = 10 * var8 + NativeRegExp.unDigit(var7);
               if (var9 < var8) {
                  break;
               }

               var8 = var9;
            }

            --var8;
            var4[0] = var6 - var2;
            return var0.getParenSubString(var8);
         }
      }
   }

   void doGlobal(Function var1, int var2) throws JavaScriptException {
      Context var4 = Context.getContext();
      RegExpStatics var5 = var4.getRegExpStatics();
      SubString var6 = var5.leftContext;
      char[] var7 = var6.charArray;
      int var8 = this.leftIndex;
      int var9 = var5.lastMatch.index - var8;
      this.leftIndex = var5.lastMatch.index + var5.lastMatch.length;
      int var10 = this.findReplen(var5);
      int var11 = var9 + var10;
      char[] var12;
      if (this.charArray != null) {
         var12 = new char[this.length + var11];
         System.arraycopy(this.charArray, 0, var12, 0, this.length);
      } else {
         var12 = new char[var11];
      }

      this.charArray = var12;
      this.length += var11;
      int var13 = this.index;
      this.index += var11;
      System.arraycopy(var7, var8, var12, var13, var9);
      var13 += var9;
      this.doReplace(var5, var12, var13);
   }
}