added argument to initUsage.
[swftools.git] / lib / modules / swfaction.c
1 /* swfaction.c
2
3    Actionscript generation and parsing routines
4    
5    Extension module for the rfxswf library.
6    Part of the swftools package.
7
8    Copyright (c) 2001 Matthias Kramm <kramm@quiss.org>
9  
10    This program is free software; you can redistribute it and/or modify
11    it under the terms of the GNU General Public License as published by
12    the Free Software Foundation; either version 2 of the License, or
13    (at your option) any later version.
14
15    This program is distributed in the hope that it will be useful,
16    but WITHOUT ANY WARRANTY; without even the implied warranty of
17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18    GNU General Public License for more details.
19
20    You should have received a copy of the GNU General Public License
21    along with this program; if not, write to the Free Software
22    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
23
24 #include "../rfxswf.h"
25
26 #define MAX_LOOKUP 1024   // make cross references in dumps
27
28 struct Action
29 {
30     int version;
31     char*name;
32     U8 op;
33     char*flags;
34 } static actions[] =
35 {
36 /*
37 f: frame (word)
38 u: url (string)
39 t: target (string)
40 l: label (string)
41 C: constant pool header (byte)
42 c: constant pool entry (string)
43 s: skip (byte) (number of actions)
44 m: method (byte) swf_GetUrl2:(0=none, 1=get, 2=post)/GotoFrame2:(1=play)
45 b: branch (word) (number of bytes)
46 p (push): type(byte), type=0:string, type=1:double
47 {: define function (name (string), num (word), params (num strings), codesize (word)
48 o: codesize (word) object (string)
49 r: register (byte)
50  */
51 {3,"End", 0x00, ""},
52 {3,"GotoFrame", 0x81, "f"},
53 {4,"GotoFrame2", 0x9f, "m"}, // -1 (/Movieclip:3)
54 {3,"GetUrl", 0x83, "ul"},
55 {4,"GetUrl2", 0x9a, "m"}, //-2
56 {3,"NextFrame", 0x04, ""},
57 {3,"PreviousFrame", 0x05, ""},
58 {3,"Play", 0x06, ""},
59 {3,"Stop", 0x07, ""},
60 {3,"ToggleQuality", 0x08, ""},
61 {3,"StopSounds", 0x09, ""},
62 {3,"WaitForFrame", 0x8a, "fs"},
63 {4,"WaitForFrame2", 0x8d, "s"}, // -1
64 {3,"SetTarget", 0x8b, "t"},
65 {4,"SetTarget2", 0x20, ""}, //-1
66 {3,"GotoLabel", 0x8c, "l"},
67 {4,"Add", 0x0a, ""}, //  -2, +1
68 {4,"Multiply", 0x0c, ""}, //  -2, +1
69 {4,"Divide", 0x0d, ""}, //  -2, +1
70 {4,"Subtract", 0x0b, ""}, //  -2, +1
71 {4,"Less", 0x0f, ""}, //  -2, +1
72 {4,"Equals", 0x0e, ""}, //  -2, +1
73 {4,"And", 0x10, ""}, //  -2, +1
74 {4,"Or", 0x11, ""}, //  -2, +1
75 {4,"Not", 0x12, ""}, //  -1, +1
76 {4,"StringAdd", 0x21, ""}, // -2,+1
77 {4,"StringLength", 0x14, ""}, // -1, +1
78 {4,"MBStringLength", 0x31, ""}, // -1, +1
79 {4,"StringEquals", 0x13, ""}, // -2, +1
80 {4,"StringLess", 0x29, ""}, //-2, +1
81 {4,"StringExtract", 0x15, ""}, // -3, +1
82 {4,"MBStringExtract", 0x35, ""}, //-3 +1
83 {4,"Push", 0x96, "p"}, //  +1
84 {4,"Pop", 0x17, ""}, //  -1
85 {4,"ToInteger", 0x18, ""}, // -1, +1
86 {4,"CharToAscii", 0x32, ""}, // -1, +1
87 {4,"AsciiToChar", 0x33, ""}, // -1, +1
88 {4,"MBCharToAscii", 0x36, ""}, // -1, +1
89 {4,"MBAsciiToChar", 0x37, ""}, // -1, +1
90 {4,"Jump", 0x99, "b"},
91 {4,"If", 0x9d, "b"}, // -1
92 {4,"Call", 0x9e, ""}, //-1 (frame label/number) (high bit is wrong.)
93 {4,"GetVariable", 0x1c,""}, // -1, +1
94 {4,"SetVariable", 0x1d,""}, // -2
95 {4,"GetProperty", 0x22,""}, //-2, +1
96 {4,"SetProperty", 0x23, ""}, // -3
97 {4,"RemoveSprite", 0x25, ""}, //-1
98 {4,"StartDrag", 0x27, ""}, // -2, -1, (-4)
99 {4,"EndDrag", 0x28, ""}, 
100 {4,"CloneSprite", 0x24, ""}, // -3
101 {4,"Trace", 0x26, ""}, //-1
102 {4,"GetTime", 0x34, ""}, //+1
103 {4,"RandomNumber", 0x30, ""}, //-1,+1
104 {5,"Modulo", 0x3f,""},
105 {5,"BitAnd", 0x60,""},
106 {5,"BitLShift", 0x63,""},
107 {5,"BitOr", 0x61,""},
108 {5,"BitRShift", 0x64,""},
109 {5,"BitURShift", 0x65,""},
110 {5,"BitXor", 0x62,""},//66?
111 {5,"Decrement", 0x51,""},
112 {5,"Increment", 0x50,""},
113 {5,"PushDuplicate", 0x4c,""},
114 {5,"StackSwap", 0x4d,""}, //?
115 {5,"StoreRegister", 0x87,"r"},
116 {5,"CallFunction", 0x3d,""},
117 {5,"DefineFunction", 0x9b, "{"},
118 {5,"Return", 0x3e,""},
119 {5,"GetMember", 0x4e,""},
120 {5,"SetMember", 0x4f,""},
121 {5,"CallMethod", 0x52,""},
122 {5,"Constantpool", 0x88, "Cc"},
123 {5,"DefineLocal", 0x3c,""},
124 {5,"DefineLocal2", 0x41,""},
125 {5,"Makehash", 0x43, ""}, //??
126 {5,"Delete", 0x3a,""}, //?
127 {5,"Delete2", 0x3b,""},
128 {5,"Enumerate", 0x46,""},
129 {5,"Equals2", 0x49,""},
130 {5,"InitArray", 0x42,""}, // InitObject?
131 {5,"NewMethod", 0x53,""}, //?
132 {5,"NewObject", 0x40,""},
133 {5,"TargetPath", 0x45,""}, //?
134 {5,"With", 0x94, "o"},
135 {5,"ToNumber", 0x4a,""}, //?
136 {5,"ToString", 0x4b,""}, //?
137 {5,"TypeOf", 0x44,""},
138 {5,"Add2", 0x47,""},
139 {5,"Less2", 0x48,""},
140 {6,"Greater", 0x67,""},
141 {6,"StringGreater", 0x68,""},
142 {6,"Enumerate2", 0x55,""},
143 {6,"InstanceOf", 0x54,""},
144 {6,"StrictEquals", 0x66,""}
145 };
146 static int definedactions = sizeof(actions)/sizeof(struct Action);
147
148 ActionTAG* swf_ActionGet(TAG*tag) 
149 {
150     U8 op = 1;
151     int length;
152     ActionTAG tmp;
153     ActionTAG*action = &tmp;
154     U8*data;
155     while(op)
156     {
157         action->next = (ActionTAG*)malloc(sizeof(ActionTAG));
158         memset(action->next, 0, sizeof(ActionTAG));
159         action->next->prev = action;
160         action->next->next = 0;
161         action->next->parent = tmp.next;
162         action = action->next;
163
164         op = swf_GetU8(tag);
165         if(op<0x80)
166             length = 0;
167         else
168             length = swf_GetU16(tag);
169
170         if(length) {
171             data = malloc(length);
172             swf_GetBlock(tag, data, length);
173         } else {
174           data = 0;
175         }
176         action->op = op;
177         action->len = length;
178         action->data = data;
179     }
180     return tmp.next;
181 }
182
183 void swf_ActionFree(ActionTAG*action)
184 {
185     if(!action) {
186         fprintf(stderr, "Warning: freeing zero action");
187         return;
188     }
189     action = action->parent;
190     if(!action) {
191         fprintf(stderr, "Warning: freeing zero action (no parent)");
192         return;
193     }
194
195     while(action)
196     {
197         ActionTAG*tmp;
198         if(action->data && action->data != action->tmp)
199             free(action->data);
200         
201         tmp = action;
202         action=action->next;
203         free(tmp);
204     }
205 }
206
207 void swf_ActionSet(TAG*tag, ActionTAG*action)
208 {
209     action=action->parent;
210     while(action)
211     {
212         swf_SetU8(tag, action->op);
213         if(action->op & 128)
214           swf_SetU16(tag, action->len);
215
216         swf_SetBlock(tag, action->data, action->len);
217
218         action = action->next;
219     }
220 }
221
222 int OpAdvance(char c, U8*data)
223 {
224     switch (c)
225     {
226         case 'f':
227             return 2;
228         case 'u':
229             return strlen(data)+1;
230         case 't':
231             return strlen(data)+1;
232         case 'l': 
233             return strlen(data)+1;
234         case 'c': 
235             return strlen(data)+1;
236         case 'C': 
237             return 2;
238         case 's':
239             return 1;
240         case 'm':
241             return 1;
242         case 'b':
243             return 2;
244         case 'r':
245             return 1;
246         case 'p': {
247             U8 type = *data++;
248             if(type == 0) {
249                 return 1+strlen(data)+1; //string
250             } else if (type == 1) {
251                 return 1+4; //float
252             } else if (type == 2) {
253                 return 1+0; //NULL
254             } else if (type == 4) {
255                 return 1+1; //register
256             } else if (type == 5) {
257                 return 1+1; //bool
258             } else if (type == 6) {
259                 return 1+8; //double
260             } else if (type == 7) {
261                 return 1+4; //int
262             } else if (type == 8) {
263                 return 1+1; //lookup
264             } else return 1;
265             break;
266         }
267         case 'o': {
268             return 2;
269         }
270         case '{': {
271             U16 num;
272             U16 codesize;
273             U8* odata = data;
274             int t;
275             while(*data++); //name
276             num = (*data++)*256; //num
277             num += (*data++);
278             for(t=0;t<num;t++)
279                 while(*data++); //param
280             codesize = (*data++)*256; //num
281             codesize += (*data++);
282             return data-odata;
283         }
284     }
285     return 0;
286 }
287 #define ATAG_FULLLENGTH(atag) ((atag)->len + 1 + ((atag)->op&0x80?2:0))
288 #define MAX_LEVELS 16
289 /* TODO: * this should be in swfdump.c */
290 void swf_DumpActions(ActionTAG*atag, char*prefix) 
291 {
292     int t;
293     U8*data;
294     char* cp;
295     int entry = 0;
296     char spaces[MAX_LEVELS*4+1];
297     struct {
298         char*text;
299         int count;
300     } counter[MAX_LEVELS];
301     int countpos = 0;
302 #ifdef MAX_LOOKUP
303     char * lookup[MAX_LOOKUP];
304     memset(lookup,0x00,sizeof(lookup));
305 #endif
306     memset(spaces, 32, sizeof(spaces));
307     spaces[sizeof(spaces)-1] = 0;
308
309    if (!prefix)
310         prefix="";
311
312     while(atag)
313     {
314         char*indent = &spaces[sizeof(spaces)-1-countpos*4];
315         U8 poollen = 0;
316         for(t=0;t<definedactions;t++)
317             if(actions[t].op == atag->op)
318                 break;
319
320         if(t==definedactions) {
321             printf("%s (%5d bytes) action:%s unknown[%02x]", prefix, atag->len, indent, atag->op);
322         } else {
323             printf("%s (%5d bytes) action:%s %s", prefix, atag->len, indent, actions[t].name);
324         }
325         data = atag->data;
326         if(atag->len && t!=definedactions) //TODO: check for consistency: should we have a length?
327         {
328           cp = actions[t].flags;
329           while(*cp)
330           {
331               switch(*cp)
332               {
333                   case 'f': { //frame
334                       printf(" %d", data[0]+256*data[1]);
335                   } break;
336                   case 'u': {
337                       printf(" URL:\"%s\"", data);
338                   } break;
339                   case 't': {
340                       printf(" Target:\"%s\"", data);
341                   } break;
342                   case 'l': {
343                       printf(" Label:\"%s\"", data);
344                   } break;
345                   case 'c': {
346                       printf(" String:\"%s\"", data);
347 #ifdef MAX_LOOKUP
348                       if (entry<MAX_LOOKUP)
349                         lookup[entry++] = strdup(data);
350 #endif
351                   } break;
352                   case 'C': {
353                       poollen = *data;
354                       entry = 0;
355                       printf("(%d entries)", poollen);
356                   } break;
357                   case 's': {
358                       printf(" +%d", *data);
359                   } break;
360                   case 'm': {
361                       //m: method (byte) url:(0=none, 1=get, 2=datat)/gf2:(1=play)
362                       printf(" %d", *data);
363                   } break;
364                   case '{': {
365                       U16 num;
366                       U16 codesize;
367                       int s = 0;
368                       int t;
369                       printf(" %s(", data);
370                       while(data[s++]); //name
371                       num = (data[s++]); //num
372                       num += (data[s++])*256;
373                       for(t=0;t<num;t++) {
374                           printf("%s",data);
375                           if(t<num-1)
376                               printf(", ");
377                           while(data[s++]); //param
378                       }
379                       printf(")");
380                       codesize = (data[s++]); //num
381                       codesize += (data[s++])*256;
382                       printf(" codesize:%d ",codesize);
383                       printf("\n%s                       %s{", prefix, indent);
384                       if(countpos>=15) {
385                           printf("Error: nested too deep\n");
386                           continue;
387                       }
388                       counter[countpos].text = "}";
389                       counter[countpos].count = codesize + ATAG_FULLLENGTH(atag);
390                       countpos++;
391                   } break;
392                   case 'o': {
393                       int t;
394                       U16 codesize = data[0]+256*data[1];
395                       printf(" codesize:%d ", codesize);
396
397                       /* the following tries to find the "string"
398                          the flash documentation speaks of- I've
399                          never actually seen one yet. -mk */
400                       for(t=2;t<atag->len;t++)
401                           printf("[%02x]", atag->data[t]);
402
403                       printf("\n%s                       %s{", prefix, indent);
404                       if(countpos>=15) {
405                           printf("Error: nested too deep\n");
406                           continue;
407                       }
408                       counter[countpos].text = "}";
409                       counter[countpos].count = codesize + ATAG_FULLLENGTH(atag);
410                       countpos++;
411                   } break;
412                   case 'b': {
413                       printf(" %d", data[0]+256*(signed char)data[1]);
414                   } break;
415                   case 'r': {
416                       printf(" %d", data[0]);
417                   } break;
418                   case 'p': {
419                       U8 type = *data;
420                       unsigned char*value = data+1;
421                       if(type == 0) {
422                           printf(" String:\"%s\"", value);
423                       } else if (type == 1) {
424                           U32 f = value[0]+(value[1]<<8)+
425                                   (value[2]<<16)+(value[3]<<24);
426                           printf(" Float:%f", *(float*)&f);
427                       } else if (type == 2) {
428                           printf(" NULL");
429                       } else if (type == 4) {
430                           printf(" register:%d", *value);
431                       } else if (type == 5) {
432                           printf(" bool:%s", *value?"true":"false");
433                       } else if (type == 6) {
434                           U8 a[8];
435                           int t;
436                           memcpy(&a[4],value,4);
437                           memcpy(a,&value[4],4);
438 #ifdef WORDS_BIGENDIAN
439                           for(t=0;t<4;t++) {
440                               U8 tmp = a[t];
441                               a[t]=a[7-t];
442                               a[7-t] = tmp;
443                           }
444 #endif
445                           printf(" double:%f", *(double*)a);
446                       } else if (type == 7) {
447                           printf(" int:%d", value[0]+(value[1]<<8)+
448                                             (value[2]<<16)+(value[3]<<24));
449                       } else if (type == 8) {
450                           printf(" Lookup:%d", *value);
451 #ifdef MAX_LOOKUP
452                           if (lookup[*value])
453                             printf(" (\"%s\")",lookup[*value]);
454 #endif
455                       } else {
456                           printf(" UNKNOWN[%02x]",type);
457                       }
458                   } break;
459               }
460               data += OpAdvance(*cp, data);
461               if((*cp!='c' || !poollen) &&
462                  (*cp!='p' || !(data<&atag->data[atag->len])))
463                   cp++;
464               if(poollen)
465                   poollen--;
466           }
467         }
468
469         if(data < atag->data + atag->len)
470         {
471             int nl = ((atag->data+atag->len)-data);
472             int t;
473             printf(" (remainder of %d bytes:\"", nl);
474             for(t=0;t<nl;t++) {
475                 if(data[t]<32)
476                     printf("\\%d",data[t]);
477                 else
478                     printf("%c", data[t]);
479             }
480             printf("\")");
481         }
482         printf("\n");
483
484         for(t=0;t<countpos;t++) {
485             counter[t].count -= ATAG_FULLLENGTH(atag);
486             if(counter[t].count < 0) {
487                 printf("===== Error: Oplength errors =====\n");
488                 countpos = 0;
489                 break;
490             }
491         }
492
493         while(countpos && !counter[countpos-1].count)
494         {
495             printf("%s                   %s%s\n", 
496                 prefix, indent, counter[countpos-1].text);
497             indent += 4;
498             countpos--;
499         }
500
501         atag = atag->next;
502     }
503
504 #ifdef MAX_LOOKUP
505   for (t=0;t<MAX_LOOKUP;t++) if (lookup[t]) free(lookup[t]);
506 #endif
507 }
508
509 static const char TYPE_URL = 1;
510 static const char TYPE_TARGET = 2;
511 static const char TYPE_STRING = 4;
512
513 int swf_ActionEnumerate(ActionTAG*atag, char*(*callback)(char*), int type)
514 {
515     int t;
516     U8*data;
517     char* cp;
518     int count = 0;
519     while(atag)
520     {
521         U8 poollen = 0;
522         for(t=0;t<definedactions;t++)
523             if(actions[t].op == atag->op)
524                 break;
525
526         if(t==definedactions) {
527             // unknown actiontag
528             atag = atag->next;
529             count++;
530             continue;
531         }
532         cp = actions[t].flags;
533         data = atag->data;
534         if(atag->len) {
535             while(*cp) {
536                 U8 * replacepos = 0;
537                 int replacelen = 0;
538                 U8 * replacement = 0;
539                 switch(*cp)
540                 {
541                     case 'u': {
542                         if(type&TYPE_URL)
543                         {
544                             replacelen = strlen(data);
545                             replacepos = data;
546                             replacement = callback(data); // may be null
547                         }
548                     } break;
549                     case 't': {
550                         if(type&TYPE_TARGET)
551                         {
552                             replacelen = strlen(data);
553                             replacepos = data;
554                             replacement = callback(data); // may be null
555                         }
556                     } break;
557                     case 'c': {
558                         if(type&TYPE_STRING)
559                         {
560                             replacelen = strlen(data);
561                             replacepos = data;
562                             replacement = callback(data); // may be null
563                         }
564                     } break;
565                     case 'C': {
566                         poollen = (*data);
567                     } break;
568                     case 'o': {
569                     } break;
570                     case 'p': {
571                         U8 datatype = *data;
572                         char*value = &data[1];
573                         if(datatype == 0) { //string
574                             if(type&TYPE_STRING)
575                             {
576                                 replacelen = strlen(value);
577                                 replacepos = value;
578                                 replacement = callback(value); // may be null
579                             }
580                         } else if (datatype == 8) { //lookup
581                         }
582                     } break;
583                 }
584                 data += OpAdvance(*cp, data);
585                 if(*cp!='c' || !poollen)
586                     cp++;
587                 if(poollen)
588                     poollen--;
589
590                 if(replacement)
591                 {
592                     int newlen = strlen(replacement);
593                     char * newdata = malloc(atag->len - replacelen + newlen);
594                     int rpos = replacepos - atag->data;
595                     memcpy(newdata, atag->data, rpos);
596                     memcpy(&newdata[rpos], replacement, newlen);
597                     memcpy(&newdata[rpos+newlen], &replacepos[replacelen],
598                             &data[atag->len] - &replacepos[replacelen]);
599                     free(atag->data);
600                     atag->data = newdata;
601                     data = &atag->data[rpos+newlen+1];
602                 }
603             }
604         }
605         atag = atag->next;
606         count ++;
607     }
608     return count;
609 }
610
611 void swf_ActionEnumerateTargets(ActionTAG*atag, char*(*callback)(char*))
612 {
613     swf_ActionEnumerate(atag, callback, TYPE_TARGET);
614 }
615 void swf_ActionEnumerateStrings(ActionTAG*atag, char*(*callback)(char*))
616 {
617     swf_ActionEnumerate(atag, callback, TYPE_STRING);
618 }
619 void swf_ActionEnumerateURLs(ActionTAG*atag, char*(*callback)(char*))
620 {
621     swf_ActionEnumerate(atag, callback, TYPE_URL);
622 }
623
624 /*static ActionTAG* swf_ActionStart()
625 {
626     ActionTAG*atag;
627     atag = (ActionTAG*)malloc(sizeof(ActionTAG));
628     atag->prev = 0;
629     atag->next = 0;
630     atag->parent = 0;
631     atag->data = 0;
632     atag->len = 0;
633     return atag;
634 }
635
636 void swf_ActionEnd(ActionTAG* atag)
637 {
638     ActionTAG*last;
639     while(atag) {
640         last = atag;
641         atag=atag->next;
642     } 
643
644     last->prev->next = 0;
645     free(last);
646 }*/
647
648 static ActionTAG*lastATAG(ActionTAG*atag)
649 {
650     ActionTAG*last = 0;
651     while(atag) {
652         last = atag;
653         atag=atag->next;
654     } 
655     return last;
656 }
657
658 ActionTAG* swf_AddActionTAG(ActionTAG*atag, U8 op, U8*data, U16 len)
659 {
660     ActionTAG*tmp;
661     tmp = (ActionTAG*)malloc(sizeof(ActionTAG));
662     tmp->next = 0;
663     if(atag) {
664         tmp->prev = atag;
665         atag->next = tmp;
666         tmp->parent = atag->parent;
667     } else {
668         tmp->prev = 0;
669         tmp->parent = tmp;
670     }
671     if(data || !len)
672         tmp->data = data;
673     else
674         tmp->data = tmp->tmp;
675
676     tmp->len = len;
677     tmp->op = op;
678     return tmp;
679 }
680
681 ActionMarker action_setMarker(ActionTAG*atag)
682 {
683     ActionMarker m;
684     m.atag = atag;
685     return m;
686 }
687
688 int inline ActionTagSize(ActionTAG*atag)
689 {
690     return (atag->op&0x80)?3+(atag->len):1+0;
691 }
692
693
694 #define ACTION_END            0x00
695 #define ACTION_NEXTFRAME      0x04
696 #define ACTION_PREVIOUSFRAME  0x05
697 #define ACTION_PLAY           0x06
698 #define ACTION_STOP           0x07
699 #define ACTION_TOGGLEQUALITY  0x08
700 #define ACTION_STOPSOUNDS     0x09
701 #define ACTION_ADD            0x0a
702 #define ACTION_SUBTRACT       0x0b
703 #define ACTION_MULTIPLY       0x0c
704 #define ACTION_DIVIDE         0x0d
705 #define ACTION_EQUALS         0x0e
706 #define ACTION_LESS           0x0f
707 #define ACTION_AND            0x10
708 #define ACTION_OR             0x11
709 #define ACTION_NOT            0x12
710 #define ACTION_STRINGEQUALS   0x13
711 #define ACTION_STRINGLENGTH   0x14
712 #define ACTION_STRINGEXTRACT  0x15
713 #define ACTION_POP            0x17
714 #define ACTION_TOINTEGER      0x18
715 #define ACTION_GETVARIABLE    0x1c
716 #define ACTION_SETVARIABLE    0x1d
717 #define ACTION_SETTARGET2     0x20
718 #define ACTION_STRINGADD      0x21
719 #define ACTION_GETPROPERTY    0x22
720 #define ACTION_SETPROPERTY    0x23
721 #define ACTION_CLONESPRITE    0x24
722 #define ACTION_REMOVESPRITE   0x25
723 #define ACTION_TRACE          0x26
724 #define ACTION_STARTDRAG      0x27
725 #define ACTION_ENDDRAG        0x28
726 #define ACTION_STRINGLESS     0x29
727 #define ACTION_RANDOMNUMBER   0x30
728 #define ACTION_MBSTRINGLENGTH 0x31
729 #define ACTION_CHARTOASCII    0x32
730 #define ACTION_ASCIITOCHAR    0x33
731 #define ACTION_GETTIME        0x34
732 #define ACTION_MBSTRINGEXTRACT 0x35
733 #define ACTION_MBCHARTOASCII  0x36
734 #define ACTION_MBASCIITOCHAR  0x37
735 #define ACTION_DELETE         0x3a
736 #define ACTION_DELETE2        0x3b
737 #define ACTION_DEFINELOCAL    0x3c
738 #define ACTION_CALLFUNCTION   0x3d
739 #define ACTION_RETURN         0x3e
740 #define ACTION_MODULO         0x3f
741 #define ACTION_NEWOBJECT      0x40
742 #define ACTION_DEFINELOCAL2   0x41
743 #define ACTION_INITARRAY      0x42
744 #define ACTION_MAKEHASH       0x43
745 #define ACTION_TYPEOF         0x44
746 #define ACTION_TARGETPATH     0x45
747 #define ACTION_ENUMERATE      0x46
748 #define ACTION_ADD2           0x47
749 #define ACTION_LESS2          0x48
750 #define ACTION_EQUALS2        0x49
751 #define ACTION_TONUMBER       0x4a
752 #define ACTION_TOSTRING       0x4b
753 #define ACTION_PUSHDUPLICATE  0x4c
754 #define ACTION_STACKSWAP      0x4d
755 #define ACTION_GETMEMBER      0x4e
756 #define ACTION_SETMEMBER      0x4f
757 #define ACTION_INCREMENT      0x50
758 #define ACTION_DECREMENT      0x51
759 #define ACTION_CALLMETHOD     0x52
760 #define ACTION_NEWMETHOD      0x53
761 #define ACTION_BITAND         0x60
762 #define ACTION_BITOR          0x61
763 #define ACTION_BITXOR         0x62
764 #define ACTION_BITLSHIFT      0x63
765 #define ACTION_BITRSHIFT      0x64
766 #define ACTION_BITURSHIFT     0x65
767 #define ACTION_GOTOFRAME      0x81
768 #define ACTION_GETURL         0x83
769 #define ACTION_STOREREGISTER  0x87
770 #define ACTION_CONSTANTPOOL   0x88
771 #define ACTION_WAITFORFRAME   0x8a
772 #define ACTION_SETTARGET      0x8b
773 #define ACTION_GOTOLABEL      0x8c
774 #define ACTION_WAITFORFRAME2  0x8d
775 #define ACTION_WITH           0x94
776 #define ACTION_PUSH           0x96
777 #define ACTION_JUMP           0x99
778 #define ACTION_GETURL2        0x9a
779 #define ACTION_DEFINEFUNCTION 0x9b
780 #define ACTION_IF             0x9d
781 #define ACTION_CALL           0x9e
782 #define ACTION_GOTOFRAME2     0x9f
783
784 void action_fixjump(ActionMarker m1, ActionMarker m2)
785 {
786     ActionTAG* a1 = m1.atag;
787     ActionTAG* a2 = m2.atag;
788     ActionTAG* a;
789     int len = 0;
790     int oplen = 0;
791     a = a1;
792     
793     a = a->next; //first one is free
794     while(a && a!=a2)
795     {
796         len += ActionTagSize(a);
797         oplen ++;
798         a = a->next;
799     }
800     if(!a)
801     { len = 0;
802       oplen = 0;
803       a = a2;
804       while(a && a!=a1) {
805           len -= ActionTagSize(a);
806           oplen --;
807           a = a->next;
808       }
809       if(!a) {
810           fprintf(stderr, "action_fixjump: couldn't find second tag\n");
811           return;
812       }
813       len -= ActionTagSize(a);
814       oplen --;
815     }
816
817     if (a1->op == ACTION_IF || a1->op == ACTION_JUMP) 
818     {
819         *(U16*)(a1->data) = SWAP16(len);
820     }
821     else if(a1->op == ACTION_WAITFORFRAME)
822     {
823         ((U8*)(a1->data))[2] = oplen;
824     }
825     else if(a1->op == ACTION_WAITFORFRAME2)
826     {
827         ((U8*)(a1->data))[0] = oplen;
828     }
829     
830 }
831
832 ActionTAG* action_NextFrame(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NEXTFRAME, 0, 0);}
833 ActionTAG* action_PreviousFrame(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_PREVIOUSFRAME, 0, 0);}
834 ActionTAG* action_Play(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_PLAY, 0, 0);}
835 ActionTAG* action_Stop(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STOP, 0, 0);}
836 ActionTAG* action_ToggleQuality(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TOGGLEQUALITY, 0, 0);}
837 ActionTAG* action_StopSounds(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STOPSOUNDS, 0, 0);}
838 ActionTAG* action_Add(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ADD, 0, 0);}
839 ActionTAG* action_Subtract(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SUBTRACT, 0, 0);}
840 ActionTAG* action_Multiply(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MULTIPLY, 0, 0);}
841 ActionTAG* action_Divide(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DIVIDE, 0, 0);}
842 ActionTAG* action_Equals(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_EQUALS, 0, 0);}
843 ActionTAG* action_Less(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_LESS, 0, 0);}
844 ActionTAG* action_And(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_AND, 0, 0);}
845 ActionTAG* action_Or(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_OR, 0, 0);}
846 ActionTAG* action_Not(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NOT, 0, 0);}
847 ActionTAG* action_StringEquals(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGEQUALS, 0, 0);}
848 ActionTAG* action_StringLength(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGLENGTH, 0, 0);}
849 ActionTAG* action_StringExtract(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGEXTRACT, 0, 0);}
850 ActionTAG* action_Pop(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_POP, 0, 0);}
851 ActionTAG* action_ToInteger(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TOINTEGER, 0, 0);}
852 ActionTAG* action_GetVariable(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETVARIABLE, 0, 0);}
853 ActionTAG* action_SetVariable(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETVARIABLE, 0, 0);}
854 ActionTAG* action_SetTarget2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETTARGET2, 0, 0);}
855 ActionTAG* action_StringAdd(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGADD, 0, 0);}
856 ActionTAG* action_GetProperty(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETPROPERTY, 0, 0);}
857 ActionTAG* action_SetProperty(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETPROPERTY, 0, 0);}
858 ActionTAG* action_CloneSprite(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CLONESPRITE, 0, 0);}
859 ActionTAG* action_RemoveSprite(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_REMOVESPRITE, 0, 0);}
860 ActionTAG* action_Trace(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TRACE, 0, 0);}
861 ActionTAG* action_StartDrag(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STARTDRAG, 0, 0);}
862 ActionTAG* action_EndDrag(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ENDDRAG, 0, 0);}
863 ActionTAG* action_StringLess(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STRINGLESS, 0, 0);}
864 ActionTAG* action_RandomNumber(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_RANDOMNUMBER, 0, 0);}
865 ActionTAG* action_MBStringLength(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBSTRINGLENGTH, 0, 0);}
866 ActionTAG* action_CharToAscii(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CHARTOASCII, 0, 0);}
867 ActionTAG* action_AsciiToChar(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ASCIITOCHAR, 0, 0);}
868 ActionTAG* action_GetTime(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETTIME, 0, 0);}
869 ActionTAG* action_MBStringExtract(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBSTRINGEXTRACT, 0, 0);}
870 ActionTAG* action_MBCharToAscii(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBCHARTOASCII, 0, 0);}
871 ActionTAG* action_MBAsciiToChar(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MBASCIITOCHAR, 0, 0);}
872 ActionTAG* action_Delete(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DELETE, 0, 0);}
873 ActionTAG* action_Delete2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DELETE2, 0, 0);}
874 ActionTAG* action_DefineLocal(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DEFINELOCAL, 0, 0);}
875 ActionTAG* action_CallFunction(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CALLFUNCTION, 0, 0);}
876 ActionTAG* action_Return(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_RETURN, 0, 0);}
877 ActionTAG* action_Modulo(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MODULO, 0, 0);}
878 ActionTAG* action_NewObject(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NEWOBJECT, 0, 0);}
879 ActionTAG* action_DefineLocal2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DEFINELOCAL2, 0, 0);}
880 ActionTAG* action_InitArray(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_INITARRAY, 0, 0);}
881 ActionTAG* action_Makehash(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_MAKEHASH, 0, 0);}
882 ActionTAG* action_TypeOf(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TYPEOF, 0, 0);}
883 ActionTAG* action_TargetPath(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TARGETPATH, 0, 0);}
884 ActionTAG* action_Enumerate(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ENUMERATE, 0, 0);}
885 ActionTAG* action_Add2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_ADD2, 0, 0);}
886 ActionTAG* action_Less2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_LESS2, 0, 0);}
887 ActionTAG* action_Equals2(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_EQUALS2, 0, 0);}
888 ActionTAG* action_ToNumber(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TONUMBER, 0, 0);}
889 ActionTAG* action_ToString(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_TOSTRING, 0, 0);}
890 ActionTAG* action_PushDuplicate(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_PUSHDUPLICATE, 0, 0);}
891 ActionTAG* action_StackSwap(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_STACKSWAP, 0, 0);}
892 ActionTAG* action_GetMember(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_GETMEMBER, 0, 0);}
893 ActionTAG* action_SetMember(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_SETMEMBER, 0, 0);}
894 ActionTAG* action_Increment(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_INCREMENT, 0, 0);}
895 ActionTAG* action_Decrement(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_DECREMENT, 0, 0);}
896 ActionTAG* action_CallMethod(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CALLMETHOD, 0, 0);}
897 ActionTAG* action_NewMethod(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_NEWMETHOD, 0, 0);}
898 ActionTAG* action_BitAnd(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITAND, 0, 0);}
899 ActionTAG* action_BitOr(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITOR, 0, 0);}
900 ActionTAG* action_BitXor(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITXOR, 0, 0);}
901 ActionTAG* action_BitLShift(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITLSHIFT, 0, 0);}
902 ActionTAG* action_BitRShift(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITRSHIFT, 0, 0);}
903 ActionTAG* action_BitURShift(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_BITURSHIFT, 0, 0);}
904 ActionTAG* action_Call(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_CALL, 0, 0);}
905 ActionTAG* action_End(ActionTAG*atag) {return swf_AddActionTAG(atag, ACTION_END, 0, 0);}
906 ActionTAG* action_GotoFrame(ActionTAG*atag, U16 frame) 
907 {
908     atag = swf_AddActionTAG(atag, ACTION_GOTOFRAME, 0, 2);
909     *(U16*)atag->tmp = SWAP16(frame);
910     return atag;
911 }
912
913 ActionTAG* action_Jump(ActionTAG*atag, U16 branch) 
914 {
915     atag = swf_AddActionTAG(atag, ACTION_JUMP, 0, 2);
916     *(U16*)atag->tmp = SWAP16(branch);
917     return atag;
918 }
919 ActionTAG* action_If(ActionTAG*atag, U16 branch) 
920 {
921     atag = swf_AddActionTAG(atag, ACTION_IF, 0, 2);
922     *(U16*)atag->tmp = SWAP16(branch);
923     return atag;
924 }
925 ActionTAG* action_StoreRegister(ActionTAG*atag, U8 reg) 
926 {
927     atag = swf_AddActionTAG(atag, ACTION_STOREREGISTER, 0, 1);
928     *(U8*)atag->tmp = reg;
929     return atag;
930 }
931 ActionTAG* action_GotoFrame2(ActionTAG*atag, U8 method) 
932 {
933     atag = swf_AddActionTAG(atag, ACTION_GOTOFRAME2, 0, 1);
934     *(U8*)atag->tmp = method;
935     return atag;
936 }
937 ActionTAG* action_GetUrl2(ActionTAG*atag, U8 method) 
938 {
939     atag = swf_AddActionTAG(atag, ACTION_GETURL2, 0, 1);
940     *(U8*)atag->tmp = method;
941     return atag;
942 }
943 ActionTAG* action_WaitForFrame2(ActionTAG*atag, U8 skip) 
944 {
945     atag = swf_AddActionTAG(atag, ACTION_WAITFORFRAME2, 0, 1);
946     *(U8*)atag->tmp = skip;
947     return atag;
948 }
949 ActionTAG* action_WaitForFrame(ActionTAG*atag, U16 frame, U8 skip) 
950 {
951     atag = swf_AddActionTAG(atag, ACTION_WAITFORFRAME, 0, 3);
952     *(U16*)atag->tmp = SWAP16(frame);
953     *(U8*)&atag->tmp[2] = skip;
954     return atag;
955 }
956 ActionTAG* action_SetTarget(ActionTAG*atag, char* target)
957 {
958     char*ptr = strdup(target);
959     return swf_AddActionTAG(atag, ACTION_SETTARGET, (U8*)ptr, strlen(ptr)+1);
960 }
961 ActionTAG* action_PushNULL(ActionTAG*atag) 
962 {
963     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 1);
964     *(U8*)atag->tmp = 2; //NULL
965     return atag;
966 }
967 ActionTAG* action_PushBoolean(ActionTAG*atag, char c) 
968 {
969     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 2);
970     *(U8*)atag->tmp = 5; //bool
971     *(U8*)&atag->tmp[1] = c;
972     return atag;
973 }
974 ActionTAG* action_PushRegister(ActionTAG*atag, U8 reg) 
975 {
976     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 2);
977     *(U8*)atag->tmp = 4; //register
978     *(U8*)&atag->tmp[1] = reg;
979     return atag;
980 }
981 ActionTAG* action_PushLookup(ActionTAG*atag, U8 index) 
982 {
983     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 2);
984     *(U8*)atag->tmp = 8; //lookup
985     *(U8*)&atag->tmp[1] = index;
986     return atag;
987 }
988 ActionTAG* action_PushString(ActionTAG*atag, char*str) 
989 {
990     int l = strlen(str);
991     char*ptr = (char*)malloc(l+2);
992     ptr[0] = 0; // string
993     strcpy(&ptr[1], str);
994     return swf_AddActionTAG(atag, ACTION_PUSH, (U8*)ptr, l+2);
995 }
996 ActionTAG* action_PushFloat(ActionTAG*atag, float f)
997 {
998     char*ptr = (char*)malloc(5);
999     U32 fd = *(U32*)&f;
1000     ptr[0] = 1; //float
1001     ptr[1]  = fd;
1002     ptr[2]  = fd>>8;
1003     ptr[3]  = fd>>16;
1004     ptr[4]  = fd>>24;
1005     return swf_AddActionTAG(atag, ACTION_PUSH, (U8*)ptr, 5);
1006 }
1007 ActionTAG* action_PushDouble(ActionTAG*atag, double d) 
1008 {
1009     char*ptr = (char*)malloc(9);
1010     U8*dd = (U8*)&d;
1011     ptr[0] = 6; //double
1012 #ifdef WORDS_BIGENDIAN
1013     ptr[1] = dd[7];ptr[2] = dd[6];
1014     ptr[3] = dd[5];ptr[4] = dd[4];
1015     ptr[5] = dd[3];ptr[6] = dd[2];
1016     ptr[7] = dd[1];ptr[8] = dd[0];
1017 #else
1018     ptr[1] = dd[0];ptr[2] = dd[1];
1019     ptr[3] = dd[2];ptr[4] = dd[3];
1020     ptr[5] = dd[4];ptr[6] = dd[5];
1021     ptr[7] = dd[6];ptr[8] = dd[7];
1022 #endif
1023     return swf_AddActionTAG(atag, ACTION_PUSH, (U8*)ptr, 9);
1024 }
1025 ActionTAG* action_PushInt(ActionTAG*atag, int i)
1026 {
1027     atag = swf_AddActionTAG(atag, ACTION_PUSH, 0, 5);
1028     *(U8*)atag->tmp = 7; //int
1029     atag->tmp[1] = i;
1030     atag->tmp[2] = i>>8;
1031     atag->tmp[3] = i>>16;
1032     atag->tmp[4] = i>>24;
1033     return atag;
1034 }
1035 ActionTAG* action_GotoLabel(ActionTAG*atag, char* label)
1036 {
1037     char*ptr = strdup(label);
1038     return swf_AddActionTAG(atag, ACTION_GOTOLABEL, (U8*)ptr, strlen(ptr));
1039 }
1040 ActionTAG* action_GetUrl(ActionTAG*atag, char* url, char* label) 
1041 {
1042     int l1= strlen(url);
1043     int l2= strlen(label);
1044     char*ptr = malloc(l1+l2+2);
1045     strcpy(ptr, url);
1046     strcpy(&ptr[l1+1], label);
1047     return swf_AddActionTAG(atag, ACTION_GETURL, ptr, l1+l2+2);
1048 }
1049 //TODO:
1050 ActionTAG* action_DefineFunction(ActionTAG*atag, U8*data, int len) {return atag;}
1051 ActionTAG* action_Constantpool(ActionTAG*atag, char* constantpool) {return atag;}
1052 ActionTAG*  action_With(ActionTAG*atag, char*object) {return atag;}
1053
1054 #include "../action/actioncompiler.h"
1055
1056 ActionTAG* swf_ActionCompile(const char* source, int version)
1057 {
1058     TAG* tag;
1059     ActionTAG* a = 0;
1060     void*buffer = 0;
1061     int len = 0;
1062     int ret;
1063     
1064     tag = swf_InsertTag(NULL, ST_DOACTION);
1065     ret = compileSWFActionCode(source, version, &buffer, &len);
1066     if(!ret || buffer==0 || len == 0)
1067         return 0;
1068
1069     swf_SetBlock(tag, buffer, len);
1070     swf_SetU8(tag, 0);
1071
1072     free(buffer);
1073
1074     a = swf_ActionGet(tag);
1075     swf_DeleteTag(tag);
1076     return a;
1077 }
1078
1079
1080 /*
1081   Properties:
1082
1083   _X 0
1084   _Y 1
1085   _xscale 2
1086   _yscale 3
1087   _currentframe 4
1088   _totalframes 5
1089   _alpha 6
1090   _visible 7
1091   _width 8
1092   _height 9
1093   _rotation 10
1094   _target 11
1095   _framesloaded 12
1096   _name 13
1097   _droptarget 14
1098   _url 15
1099   _highquality 16
1100   _focusrect 17
1101   _soundbuftime 18
1102   _quality* 19
1103   _xmouse* 20
1104   _ymouse* 21
1105 */