fixed avm3 detection

[swftools.git] / lib / rfxswf.c

diff --git a/lib/rfxswf.c b/lib/rfxswf.c
index 5acb554..b540cf1 100644 (file)
--- a/lib/rfxswf.c
+++ b/lib/rfxswf.c
@@ -863,15 +863,18 @@ TAG* swf_CopyTag(TAG*tag, TAG*to_copy)
     return tag;
 }
 
-int swf_DeleteTag(TAG * t)
-{ if (!t) return -1;
+TAG* swf_DeleteTag(SWF*swf, TAG * t)
+{
+  TAG*next = t->next;
 
+  if (swf && swf->firstTag==t) 
+    swf->firstTag = t->next;
   if (t->prev) t->prev->next = t->next;
   if (t->next) t->next->prev = t->prev;
 
   if (t->data) rfx_free(t->data);
   rfx_free(t);
-  return 0;
+  return next;
 }
 
 TAG * swf_ReadTag(reader_t*reader, TAG * prev)
@@ -1139,7 +1142,7 @@ void swf_FoldSprite(TAG * t)
     if(t->id == ST_END)
        level--;
     t = swf_NextTag(t);
-    swf_DeleteTag(tmp);
+    swf_DeleteTag(0, tmp);
   } 
   while (t && level);
   if(level)
@@ -1293,13 +1296,14 @@ int  swf_WriteSWF2(writer_t*writer, SWF * swf)     // Writes SWF to file, return
   writer_t zwriter;
   int fileSize = 0;
   int inSprite = 0;
-  int writer_lastpos = 0;
   int ret;
+  writer_t*original_writer = writer;
+  int writer_lastpos = 0;
     
   if (!swf) return -1;
   if (!writer) return -1; // the caller should provide a nullwriter, not 0, for querying SWF size
 
-  if(writer) writer_lastpos = writer->pos;
+  if(original_writer) writer_lastpos = original_writer->pos;
 
   // Insert REFLEX Tag
 
@@ -1330,9 +1334,23 @@ int  swf_WriteSWF2(writer_t*writer, SWF * swf)     // Writes SWF to file, return
   }
   
   if(swf->fileVersion >= 9) {
+      TAG*tag = swf->firstTag;
+      U32 flags = 0x08; // | 128 = usenetwork, | 16 = hasmetadata | 8 = actionscript3
+      int has_version_8_action=0;
+      int has_version_9_action=0;
+      while(tag) {
+       /* FIXME: this doesn't find actionscript in buttons */
+       if(tag->id == ST_DOACTION || tag->id == ST_DOINITACTION) 
+         has_version_8_action=1;
+       if(tag->id == ST_DOABC) 
+         has_version_9_action=1;
+       tag = tag->next;
+      }
+      if(has_version_8_action && !has_version_9_action)
+       flags = 0x00;
+
       if (swf->firstTag && swf->firstTag->id != ST_FILEATTRIBUTES)
       {
-         U32 flags = 0x8; // | 128 = usenetwork, | 16 = Actionscript3 | 8 = hasmetadata
          swf_SetU32(swf_InsertTagBefore(swf, swf->firstTag,ST_FILEATTRIBUTES),flags);
       }
   }
@@ -1432,7 +1450,7 @@ int  swf_WriteSWF2(writer_t*writer, SWF * swf)     // Writes SWF to file, return
     if(swf->compressed==1 || (swf->compressed==0 && swf->fileVersion>=6) || swf->compressed==8) {
       if(swf->compressed != 8) {
        zwriter.finish(&zwriter);
-       return writer->pos - writer_lastpos;
+       return original_writer->pos - writer_lastpos;
       }
       return (int)fileSize;
     } else {