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   1 package net.sourceforge.phpdt.internal.debug.core.model;
   2
   3 /*
   4  * Created on 17.04.2004
   5  *
   6  * To change the template for this generated file go to
   7  * Window - Preferences - Java - Code Generation - Code and Comments
   8  */
   9 /**
  10  * @author Chris Admin
  11  *
  12  * To change the template for this generated type comment go to
  13  * Window - Preferences - Java - Code Generation - Code and Comments
  14  */
  15
  16 import java.util.Vector;
  17
  18 import org.eclipse.debug.core.DebugException;
  19 import net.sourceforge.phpdt.internal.debug.core.PHPDebugCorePlugin;
  20 import org.eclipse.core.runtime.Status;
  21
  22
  23 public class PHPDBGEvalString {
  24
  25         String workStr;
  26         private PHPStackFrame fStackFrame;
  27
  28         public PHPDBGEvalString(PHPStackFrame stack,String dataStr) {
  29                 fStackFrame=stack;
  30                 workStr=dataStr;
  31         }
  32
  33         String ExtractSubStr(char chstart, char chend,int startIdx) throws DebugException {
  34                 int idx=startIdx;
  35                 String rslt;
  36                 if (idx >= (workStr.length() - 1) || workStr.charAt(idx) != chstart) {
  37                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"worng startIdx!",null);
  38                         throw new DebugException(status);
  39                 }
  40                 int i = ++idx;
  41                 i = workStr.indexOf(chend, i);
  42                 if (i==-1){
  43                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"endchar not found!",null);
  44                         throw new DebugException(status);
  45                 }
  46                 rslt=workStr.substring(idx,i);
  47
  48                 workStr=workStr.substring(i+1);
  49                 return rslt;
  50         }
  51
  52         String ExtractQuotedSubStr(int slen,int startIdx) throws DebugException {
  53                 int idx=startIdx;
  54                 String rslt;
  55                 if (idx+slen+1 >= workStr.length() ||
  56                                 workStr.charAt(idx)!= '"' ||
  57                                 workStr.charAt(idx+slen+1) != '"') {
  58                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no quoted substring found!",null);
  59                         throw new DebugException(status);
  60                 }
  61                 rslt=workStr.substring(idx+1, idx+1+slen);
  62                 workStr=workStr.substring(idx+2+slen);
  63                 return rslt;
  64         }
  65
  66
  67         int ExtractInt(char chstart, char chend,int startIdx) throws DebugException {
  68                 String subs;
  69                 int rslt;
  70                 subs=ExtractSubStr(chstart, chend,startIdx);
  71                 return (Integer.parseInt(subs));
  72         }
  73
  74         PHPVariable ParseEvalArray(String name, PHPVariable parent,Vector list, Vector var_list, String classname, int atype)  throws DebugException{
  75                 long arritems;
  76                 String itemname;
  77                 PHPVariable item;
  78                 Vector subitems=null;
  79
  80                 arritems= ExtractInt(':', ':',0);
  81                 if ((workStr.length()>0)&&(workStr.charAt(0)!='{')) {
  82                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no array startcharecter!",null);
  83                         throw new DebugException(status);
  84                 }
  85                 workStr=workStr.substring(1);
  86                 item= new PHPVariable(fStackFrame,name,parent,classname,atype,null);
  87                 list.add(item);
  88                 if (var_list!=null)
  89                         var_list.add(item);
  90                 if (arritems > 0) {
  91                         subitems = new Vector();
  92                 } else
  93                         if (workStr.charAt(0)!='}')
  94                         {
  95                                 Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no array endcharecter!",null);
  96                                 throw new DebugException(status);
  97                         }
  98                 while ((workStr.length()>0) && (workStr.charAt(0)!='}')) {
  99                         Vector tmplst=new Vector();
 100                         // name
 101                         parse("",null, tmplst, null, false,0);
 102                         if(tmplst.size()!=1){
 103                                 Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no name found!",null);
 104                                 throw new DebugException(status);
 105                         }
 106                         // value
 107                         parse(((PHPVariable)tmplst.elementAt(0)).getValue().getValueString(),item, subitems, var_list, true,0);
 108
 109                 }
 110                 ((PHPValue)item.getValue()).addVariable(subitems);
 111                 workStr=workStr.substring(1);
 112                 return item;
 113         }
 114
 115         void ParseEvalNULL(String name,PHPVariable parent,Vector list, Vector var_list, int startIdx) throws DebugException {
 116                 int idx=startIdx;
 117                 if (idx >= workStr.length() || workStr.charAt(idx) != ';') {
 118                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"NULL not found!",null);
 119                         throw new DebugException(status);
 120                 }
 121                 workStr=workStr.substring(1);
 122                 PHPVariable item= new PHPVariable(fStackFrame, name,parent,"NULL",PHPValue.PEVT_UNKNOWN,null);
 123                 list.add(item);
 124                 if (var_list!=null)
 125                         var_list.add(item);
 126         }
 127
 128         boolean ParseEvalInt( String name, PHPVariable parent, Vector list, Vector var_list, int startIdx) throws DebugException {
 129                 String subs=null;
 130                 PHPVariable item;
 131                 subs = ExtractSubStr(':',';',startIdx);
 132                 item= new PHPVariable(fStackFrame, name,parent,subs,PHPValue.PEVT_LONG,null);
 133                 list.add(item);
 134                 if (var_list!=null)
 135                         var_list.add(item);
 136                 return true;
 137         }
 138
 139         boolean ParseEvalDouble(String name,PHPVariable parent, Vector list, Vector var_list, int startIdx) throws DebugException {
 140                 String subs=null;
 141                 PHPVariable item;
 142                 subs = ExtractSubStr(':',';',startIdx);
 143                 item= new PHPVariable(fStackFrame, name,parent,subs,PHPValue.PEVT_DOUBLE,null);
 144                 list.add(item);
 145                 if (var_list!=null)
 146                         var_list.add(item);
 147                 return true;
 148         }
 149
 150         boolean ParseEvalString(String name,PHPVariable parent, Vector list, Vector var_list, boolean MakePhpStr, int startIdx)
 151                                         throws DebugException{
 152                 int slen;
 153                 slen= ExtractInt( ':', ':',startIdx);
 154                 if ((workStr.length()<=slen)||(workStr.charAt(0)!='"')) {
 155                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no String startcharecter!",null);
 156                         throw new DebugException(status);
 157                 }
 158                 workStr=workStr.substring(1);
 159                 String subs = workStr.substring(0,slen);
 160                 // replace \\ with \
 161                 subs=subs.replaceAll("\\\\\\\\","\\\\");
 162                 if (workStr.charAt(slen)!='"') {
 163                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no String endcharecter!",null);
 164                         throw new DebugException(status);
 165                 }
 166                 workStr=workStr.substring(slen+2);
 167
 168 /*              if (MakePhpStr) {
 169                         ConvertToPhpString(subs, &subs);
 170                 }
 171 */
 172                 PHPVariable item= new PHPVariable(fStackFrame, name,parent,subs,PHPValue.PEVT_STRING,null);
 173                 list.add(item);
 174                 if (var_list!=null)
 175                         var_list.add(item);
 176                 return true;
 177         }
 178
 179         boolean ParseEvalBool(String name,PHPVariable parent, Vector list, Vector var_list, int startIdx)
 180                         throws DebugException{
 181                 long v;
 182                 v=ExtractInt(':', ';',startIdx);
 183                 PHPVariable item= new PHPVariable(fStackFrame, name,parent,(v==0)?("FALSE"):("TRUE"),PHPValue.PEVT_BOOLEAN,null);
 184                 list.add(item);
 185                 if (var_list!=null)
 186                         list.add(item);
 187                 return true;
 188         }
 189
 190         boolean ParseEvalObject(String name,PHPVariable parent, Vector list, Vector var_list, int startIdx)
 191                         throws DebugException{
 192                 int slen;
 193                 String classname;
 194
 195                 slen=ExtractInt(':', ':',startIdx);
 196                 classname= ExtractQuotedSubStr(slen, startIdx);
 197                 if ((int)classname.length()!=slen) return false;
 198                 ParseEvalArray(name,parent, list, var_list, classname,PHPValue.PEVT_OBJECT);
 199                 return true;
 200         }
 201
 202         boolean ParseEvalResource(String name,PHPVariable parent, Vector list, Vector var_list, int startIdx)
 203                         throws DebugException{
 204                 int v, slen;
 205                 String restype, val;
 206
 207                 slen=ExtractInt(':', ':',startIdx);
 208                 restype=ExtractQuotedSubStr(slen, startIdx);
 209                 v=ExtractInt(':', ';',startIdx);
 210 //              std_sprintf(val, "%ld", v);
 211 //              list->Add(var_list, name, val, ptResource, restype);
 212                 return true;
 213         }
 214
 215
 216         boolean ParseEvalRef(String name,PHPVariable parent, Vector list, Vector var_list, boolean isSoftRef, int startIdx)
 217                         throws DebugException{
 218                 int v;
 219
 220                 v=ExtractInt(':', ';',startIdx);
 221
 222                 PHPVariable item= new PHPVariable(fStackFrame, name,parent,"",(isSoftRef)? (PHPValue.PEVT_SOFTREF): (PHPValue.PEVT_REF),null);
 223                 v--; // ref ID is 1-based, EvalList is 0-based
 224
 225
 226                 if ((var_list==null) || (v<0) || (v >= var_list.size())) {
 227 //                      item.ref = item; // self-resolving
 228                         return true;
 229                 }       else {
 230                         PHPVariable var_item=(PHPVariable)var_list.get(v);
 231                         try {
 232                                 item.setValue(var_item.getValue());
 233                                 item.setReferenceType(var_item.getReferenceType());
 234                                 ((PHPValue)item.getValue()).setParent(item);
 235                         } catch (DebugException e) {
 236                                 // TODO Auto-generated catch block
 237                                 e.printStackTrace();
 238                         }
 239                         list.add(item);
 240                 }
 241
 242
 243                 return true;
 244         }
 245
 246         public PHPVariable[] getVars(){
 247                 Vector list=new Vector();
 248                 Vector var_list=new Vector();
 249                 parse("",null,list,var_list,false,0);
 250                 return (PHPVariable[])list.toArray(new PHPVariable[list.size()]);
 251         }
 252
 253         boolean parse(String name,PHPVariable parent, Vector list, Vector var_list, boolean MakePhpStr,int startIdx) {
 254                 boolean ret_val = false;
 255
 256                 if (startIdx >= workStr.length()) return false;
 257                 char ch = workStr.charAt(startIdx);
 258                 workStr=workStr.substring(1);
 259                 try {
 260                         switch (ch) {
 261                                 case 'N':
 262                                         ParseEvalNULL(name,parent, list, var_list, startIdx);
 263                                         break;
 264                                 case 'i':
 265                                         ParseEvalInt(name,parent, list, var_list, startIdx);
 266                                         break;
 267                                 case 'd':
 268                                         ParseEvalDouble(name,parent, list, var_list, startIdx);
 269                                         break;
 270                                 case 's':
 271                                         ParseEvalString(name,parent, list, var_list, MakePhpStr, startIdx);
 272                                         break;
 273                                 case 'a':
 274                                         ParseEvalArray(name,parent, list, var_list, "", PHPValue.PEVT_ARRAY);
 275                                         break;
 276                                 case 'O':
 277                                         ParseEvalObject(name,parent, list, var_list, startIdx);
 278                                         break;
 279                                 case 'b':
 280                                         ParseEvalBool(name,parent, list, var_list, startIdx);
 281                                         break;
 282                                 case 'z':
 283                                         ParseEvalResource(name,parent, list, var_list, startIdx);
 284                                         break;
 285                                 case 'R':
 286                                         ParseEvalRef(name,parent, list, var_list, false, startIdx);
 287                                         break;
 288                                 case 'r':
 289                                         ParseEvalRef(name,parent, list, var_list, true, startIdx);
 290                                         break;
 291                         }
 292                 } catch (DebugException e) {
 293                         // TODO Auto-generated catch block
 294                         e.printStackTrace();
 295                 }
 296 /*              if (!ret_val) { // try to recover
 297                         unsigned int i=*startIdx;
 298                         while (i<str.length() && str[i]!='{' && str[i]!=';') i++;
 299                         if (i<str.length() && str[i] == '{') {
 300                                 unsigned int cnt=1;
 301                                 i++;
 302                                 while (i<str.length() && cnt!=0) {
 303                                         if (str[i] == '{')
 304                                                 cnt++;
 305                                         else if (str[i] == '}')
 306                                                 cnt--;
 307                                         i++;
 308                                 }
 309                         }
 310                         *startIdx = i;
 311                 }
 312 */
 313                 return  ret_val;
 314         }
 315
 316
 317 }