net.sourceforge.phpeclipse.debug.core/src/net/sourceforge/phpdt/internal/debug/core/model/PHPDBGEvalString.java

   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 net.sourceforge.phpdt.internal.debug.core.PHPDebugCorePlugin;
  19
  20 import org.eclipse.core.runtime.Status;
  21 import org.eclipse.debug.core.DebugException;
  22
  23
  24 public class PHPDBGEvalString {
  25
  26         String workStr;
  27         private PHPStackFrame fStackFrame;
  28
  29         public PHPDBGEvalString(PHPStackFrame stack,String dataStr) {
  30                 fStackFrame=stack;
  31                 workStr=dataStr;
  32         }
  33
  34         String ExtractSubStr(char chstart, char chend,int startIdx) throws DebugException {
  35                 int idx=startIdx;
  36                 String rslt;
  37                 if (idx >= (workStr.length() - 1) || workStr.charAt(idx) != chstart) {
  38                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"worng startIdx!",null);
  39                         throw new DebugException(status);
  40                 }
  41                 int i = ++idx;
  42                 i = workStr.indexOf(chend, i);
  43                 if (i==-1){
  44                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"endchar not found!",null);
  45                         throw new DebugException(status);
  46                 }
  47                 rslt=workStr.substring(idx,i);
  48
  49                 workStr=workStr.substring(i+1);
  50                 return rslt;
  51         }
  52
  53         String ExtractQuotedSubStr(int slen,int startIdx) throws DebugException {
  54                 int idx=startIdx;
  55                 String rslt;
  56                 if (idx+slen+1 >= workStr.length() ||
  57                                 workStr.charAt(idx)!= '"' ||
  58                                 workStr.charAt(idx+slen+1) != '"') {
  59                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no quoted substring found!",null);
  60                         throw new DebugException(status);
  61                 }
  62                 rslt=workStr.substring(idx+1, idx+1+slen);
  63                 workStr=workStr.substring(idx+2+slen);
  64                 return rslt;
  65         }
  66
  67
  68         int ExtractInt(char chstart, char chend,int startIdx) throws DebugException {
  69                 String subs;
  70                 int rslt;
  71                 subs=ExtractSubStr(chstart, chend,startIdx);
  72                 return (Integer.parseInt(subs));
  73         }
  74
  75         PHPVariable ParseEvalArray(String name, PHPVariable parent,Vector list, Vector var_list, String classname, int atype)  throws DebugException{
  76                 long arritems;
  77                 String itemname;
  78                 PHPVariable item;
  79                 Vector subitems=null;
  80
  81                 arritems= ExtractInt(':', ':',0);
  82                 if ((workStr.length()>0)&&(workStr.charAt(0)!='{')) {
  83                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no array startcharecter!",null);
  84                         throw new DebugException(status);
  85                 }
  86                 workStr=workStr.substring(1);
  87                 item= new PHPVariable(fStackFrame,name,parent,classname,atype,null);
  88                 list.add(item);
  89                 if (var_list!=null)
  90                         var_list.add(item);
  91                 if (arritems > 0) {
  92                         subitems = new Vector();
  93                 } else
  94                         if (workStr.charAt(0)!='}')
  95                         {
  96                                 Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no array endcharecter!",null);
  97                                 throw new DebugException(status);
  98                         }
  99                 while ((workStr.length()>0) && (workStr.charAt(0)!='}')) {
 100                         Vector tmplst=new Vector();
 101                         // name
 102                         parse("",null, tmplst, null, false,0);
 103                         if(tmplst.size()!=1){
 104                                 Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no name found!",null);
 105                                 throw new DebugException(status);
 106                         }
 107                         // value
 108                         parse(((PHPVariable)tmplst.elementAt(0)).getValue().getValueString(),item, subitems, var_list, true,0);
 109
 110                 }
 111                 ((PHPValue)item.getValue()).addVariable(subitems);
 112                 workStr=workStr.substring(1);
 113                 return item;
 114         }
 115
 116         void ParseEvalNULL(String name,PHPVariable parent,Vector list, Vector var_list, int startIdx) throws DebugException {
 117                 int idx=startIdx;
 118                 if (idx >= workStr.length() || workStr.charAt(idx) != ';') {
 119                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"NULL not found!",null);
 120                         throw new DebugException(status);
 121                 }
 122                 workStr=workStr.substring(1);
 123                 PHPVariable item= new PHPVariable(fStackFrame, name,parent,"NULL",PHPValue.PEVT_UNKNOWN,null);
 124                 list.add(item);
 125                 if (var_list!=null)
 126                         var_list.add(item);
 127         }
 128
 129         boolean ParseEvalInt( String name, PHPVariable parent, Vector list, Vector var_list, int startIdx) throws DebugException {
 130                 String subs=null;
 131                 PHPVariable item;
 132                 subs = ExtractSubStr(':',';',startIdx);
 133                 item= new PHPVariable(fStackFrame, name,parent,subs,PHPValue.PEVT_LONG,null);
 134                 list.add(item);
 135                 if (var_list!=null)
 136                         var_list.add(item);
 137                 return true;
 138         }
 139
 140         boolean ParseEvalDouble(String name,PHPVariable parent, Vector list, Vector var_list, int startIdx) throws DebugException {
 141                 String subs=null;
 142                 PHPVariable item;
 143                 subs = ExtractSubStr(':',';',startIdx);
 144                 item= new PHPVariable(fStackFrame, name,parent,subs,PHPValue.PEVT_DOUBLE,null);
 145                 list.add(item);
 146                 if (var_list!=null)
 147                         var_list.add(item);
 148                 return true;
 149         }
 150
 151         boolean ParseEvalString(String name,PHPVariable parent, Vector list, Vector var_list, boolean MakePhpStr, int startIdx)
 152                                         throws DebugException{
 153                 int slen;
 154                 slen= ExtractInt( ':', ':',startIdx);
 155                 if ((workStr.length()<=slen)||(workStr.charAt(0)!='"')) {
 156                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no String startcharecter!",null);
 157                         throw new DebugException(status);
 158                 }
 159                 workStr=workStr.substring(1);
 160                 String subs = workStr.substring(0,slen);
 161                 // replace \\ with \
 162                 subs=subs.replaceAll("\\\\\\\\","\\\\");
 163                 if (workStr.charAt(slen)!='"') {
 164                         Status status= new Status(Status.ERROR,PHPDebugCorePlugin.getUniqueIdentifier(),Status.OK,"no String endcharecter!",null);
 165                         throw new DebugException(status);
 166                 }
 167                 workStr=workStr.substring(slen+2);
 168
 169 /*              if (MakePhpStr) {
 170                         ConvertToPhpString(subs, &subs);
 171                 }
 172 */
 173                 PHPVariable item= new PHPVariable(fStackFrame, name,parent,subs,PHPValue.PEVT_STRING,null);
 174                 list.add(item);
 175                 if (var_list!=null)
 176                         var_list.add(item);
 177                 return true;
 178         }
 179
 180         boolean ParseEvalBool(String name,PHPVariable parent, Vector list, Vector var_list, int startIdx)
 181                         throws DebugException{
 182                 long v;
 183                 v=ExtractInt(':', ';',startIdx);
 184                 PHPVariable item= new PHPVariable(fStackFrame, name,parent,(v==0)?("FALSE"):("TRUE"),PHPValue.PEVT_BOOLEAN,null);
 185                 list.add(item);
 186                 if (var_list!=null)
 187                         list.add(item);
 188                 return true;
 189         }
 190
 191         boolean ParseEvalObject(String name,PHPVariable parent, Vector list, Vector var_list, int startIdx)
 192                         throws DebugException{
 193                 int slen;
 194                 String classname;
 195
 196                 slen=ExtractInt(':', ':',startIdx);
 197                 classname= ExtractQuotedSubStr(slen, startIdx);
 198                 if ((int)classname.length()!=slen) return false;
 199                 ParseEvalArray(name,parent, list, var_list, classname,PHPValue.PEVT_OBJECT);
 200                 return true;
 201         }
 202
 203         boolean ParseEvalResource(String name,PHPVariable parent, Vector list, Vector var_list, int startIdx)
 204                         throws DebugException{
 205                 int v, slen;
 206                 String restype, val;
 207
 208                 slen=ExtractInt(':', ':',startIdx);
 209                 restype=ExtractQuotedSubStr(slen, startIdx);
 210                 v=ExtractInt(':', ';',startIdx);
 211 //              std_sprintf(val, "%ld", v);
 212 //              list->Add(var_list, name, val, ptResource, restype);
 213                 return true;
 214         }
 215
 216
 217         boolean ParseEvalRef(String name,PHPVariable parent, Vector list, Vector var_list, boolean isSoftRef, int startIdx)
 218                         throws DebugException{
 219                 int v;
 220
 221                 v=ExtractInt(':', ';',startIdx);
 222
 223                 PHPVariable item= new PHPVariable(fStackFrame, name,parent,"",(isSoftRef)? (PHPValue.PEVT_SOFTREF): (PHPValue.PEVT_REF),null);
 224                 v--; // ref ID is 1-based, EvalList is 0-based
 225
 226
 227                 if ((var_list==null) || (v<0) || (v >= var_list.size())) {
 228 //                      item.ref = item; // self-resolving
 229                         return true;
 230                 }       else {
 231                         PHPVariable var_item=(PHPVariable)var_list.get(v);
 232                         try {
 233                                 item.setValue(var_item.getValue());
 234                                 item.setReferenceType(var_item.getReferenceType());
 235                                 ((PHPValue)item.getValue()).setParent(item);
 236                         } catch (DebugException e) {
 237                                 // TODO Auto-generated catch block
 238                                 e.printStackTrace();
 239                         }
 240                         list.add(item);
 241                 }
 242
 243
 244                 return true;
 245         }
 246
 247         /**
 248          *
 249          * @return The array of PHPVariables
 250          */
 251         public PHPVariable[] getVars () {
 252                 Vector list     = new Vector ();
 253                 Vector var_list = new Vector ();
 254
 255                 parse ("", null, list, var_list, false, 0);
 256
 257                 return (PHPVariable[]) list.toArray (new PHPVariable[list.size ()]);    // Convert the list to an array and return the array
 258         }
 259
 260         /**
 261          *
 262          * @return The array of PHPVariables
 263          */
 264         public Vector getVariables () {
 265                 Vector list     = new Vector ();
 266                 Vector var_list = new Vector ();
 267
 268                 parse ("", null, list, var_list, false, 0);
 269
 270                 return list;                                                                                                                    // return the PHPVariable list
 271         }
 272
 273         /**
 274          *
 275          * @param name
 276          * @param parent
 277          * @param list
 278          * @param var_list
 279          * @param MakePhpStr
 280          * @param startIdx
 281          */
 282         boolean parse (String name, PHPVariable parent, Vector list, Vector var_list, boolean MakePhpStr, int startIdx) {
 283                 boolean ret_val = false;
 284                 char    ch;
 285
 286                 if (startIdx >= workStr.length ()) {
 287                         return false;
 288                 }
 289
 290                 ch              = workStr.charAt (startIdx);
 291                 workStr = workStr.substring (1);
 292
 293                 try {
 294                         switch (ch) {
 295                                 case 'N': ParseEvalNULL         (name, parent, list, var_list, startIdx);                                break;
 296                                 case 'i': ParseEvalInt          (name, parent, list, var_list, startIdx);                                break;
 297                                 case 'd': ParseEvalDouble       (name, parent, list, var_list, startIdx);                                break;
 298                                 case 's': ParseEvalString       (name, parent, list, var_list, MakePhpStr, startIdx);    break;
 299                                 case 'a': ParseEvalArray        (name, parent, list, var_list, "", PHPValue.PEVT_ARRAY); break;
 300                                 case 'O': ParseEvalObject       (name, parent, list, var_list, startIdx);                                break;
 301                                 case 'b': ParseEvalBool         (name, parent, list, var_list, startIdx);                                break;
 302                                 case 'z': ParseEvalResource (name, parent, list, var_list, startIdx);                            break;
 303                                 case 'R': ParseEvalRef          (name, parent, list, var_list, false, startIdx);                 break;
 304                                 case 'r': ParseEvalRef          (name, parent, list, var_list, true, startIdx);                  break;
 305                         }
 306                 } catch (DebugException e) {
 307                         // TODO Auto-generated catch block
 308                         e.printStackTrace();
 309                 }
 310
 311 /*              if (!ret_val) { // try to recover
 312                         unsigned int i=*startIdx;
 313                         while (i<str.length() && str[i]!='{' && str[i]!=';') i++;
 314                         if (i<str.length() && str[i] == '{') {
 315                                 unsigned int cnt=1;
 316                                 i++;
 317                                 while (i<str.length() && cnt!=0) {
 318                                         if (str[i] == '{')
 319                                                 cnt++;
 320                                         else if (str[i] == '}')
 321                                                 cnt--;
 322                                         i++;
 323                                 }
 324                         }
 325                         *startIdx = i;
 326                 }
 327 */
 328                 return  ret_val;
 329         }
 330 }