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http://issues.apache.org/bugzilla/show_bug.cgi?id=43376 ------- Additional Comments From [EMAIL PROTECTED] 2007-09-17 11:54 ------- How interesting! I was sure it's a lost POIFS entry. In Word and Excel macros do live in POIFS! It turns out PPT is a different case (:. Here is what I've found: In PPT macros are stored in ExOleObjStg root-level records. I changed the macro code, saved the ppt and compared it with the original. The only difference was in ExOleObjStg. Thanks to Trejkaz, now we have accessors to this data. Here is a test code to dump ExOleObjStg in filesystem: FileInputStream fis = new FileInputStream("temp.ppt"); HSLFSlideShow hss = new HSLFSlideShow(fis); ObjectData[] obj = hss.getEmbeddedObjects(); for (int i = 0; i < obj.length; i++) { FileOutputStream out = new FileOutputStream("objdata-" + (i+1) + ".dat"); InputStream is = obj[i].getData(); byte[] chunk = new byte[16184]; int count; while ((count = is.read(chunk)) >=0 ) { out.write(chunk,0,count); } out.close(); } Look at it in a text editor and see that "it is about macros" :). It looks like this data has a reference (offset) to the owning slide. If I don't change anything, just re-save the ppt then the macros are there. If I add a shape the macros are lost. So the task is to find this place and update the link. I don't know how to parse this abracadabra. Any ideas? AFAIK, VBA macros are stored as "p-code + s-code" where p-code is compiled VBA code and s-code is the source. That is ExOleObjStg contains both compiled and source VBA code. Useful links are http://www.virushelpmunic.de/konferenz/1999/makroviren/ (In German) http://www.uinc.ru/articles/46/ (In Russian) They are about Word and Excel and I hope these ideas are applicable to PPT. Regards, Yegor -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
