🚀 go-pugleaf

How to determine unique information each Atom of Anote?
This my code, and I see all information of Atom CAN change when I
change anotation--> So can't determine Unique ID of an Atom


ACCB1 void ACCB2 MyPluginCommand(void *clientData)
{
	// get this plugin's name for display
	ASAtom NameAtom = ASExtensionGetRegisteredName (gExtensionID);
	const char * name = ASAtomGetString(NameAtom);
	char str[256];
	sprintf(str,"This menu item is added by plugin %s.\n", name);

	// try to get front PDF document
	AVDoc avDoc = AVAppGetActiveDoc();

	if(avDoc==NULL) {
		// if no doc is loaded, make a message.
		strcat(str,"There is no PDF document loaded in Acrobat.");
		// display message
		AVAlertNote(str);
	}
	else {
		// if a PDF is open, get its number of pages
		PDDoc pdDoc = AVDocGetPDDoc (avDoc);
		int numPages = PDDocGetNumPages (pdDoc);
		sprintf(str,"%sThe front PDF document has %d pages.", str,
numPages);
		// display message
		AVAlertNote(str);

		PDPage page;
		ASInt32 i,i2;
		PDAnnot annot;
		char* subtypeStr;
		char buf[2000];
		ASAtom atom;

		CosObj cos;
		CosObj dictEntry;
		char subjBuf[256];

		char* strValue;
		ASTCount length;

		char * annBuf;

		ASTimeRec asDate;
		char dateBuf[128];

		char *titleAnnBuf;
		ASInt32 titleBufSize;

		//Iterate through the PDF document page by page
		for (i = 0; i < PDDocGetNumPages(pdDoc); i ++){
			//Get each page within the document
			page = PDDocAcquirePage(pdDoc, i);
			//Get each annotation on the page
			for (i2 = 0; i2 < PDPageGetNumAnnots(page); i2++) {
				//Get a specific annotation
				annot = PDPageGetAnnot(page,i2);
				if (PDAnnotIsValid(annot)){
					//Annotation's Subject
					subjBuf[0]=0x00;
					cos = PDAnnotGetCosObj(annot);
					if (CosDictKnown(cos, ASAtomFromString("Subj"))){
						dictEntry = CosDictGet(cos, ASAtomFromString("Subj"));
						strValue = CosStringValue(dictEntry, &length);
						sprintf(subjBuf, "%s", strValue);

						//Subtype
						atom = PDAnnotGetSubtype(annot);
						//Cast the ASAtom object to a character pointer
						subtypeStr = (char*) ASAtomGetString(atom);

						//Annotation's Text
						ASInt32 bufSize = PDTextAnnotGetContents(annot, NULL, 0) +1;
						//Allocate the size of bufSize to the character pointer
						annBuf = (char*)ASmalloc((os_size_t)bufSize);
						//Populate annBuf with the annotation's text
						PDTextAnnotGetContents(annot, annBuf, bufSize);

						//Annotation's Time;
						dateBuf[0]=0x00;
						if (PDAnnotGetDate(annot, &asDate)){
							sprintf(dateBuf, "%02u/%02u/%4u %02u:%02u:%02u", asDate.month,
asDate.date, asDate.year, asDate.hour, asDate.minute, asDate.second);
						}

						//Annotation's Title
						titleBufSize = PDAnnotGetTitle(annot, NULL, 0) +1;
						titleAnnBuf = (char*)ASmalloc((os_size_t)titleBufSize);
						PDAnnotGetTitle(annot, titleAnnBuf, titleBufSize);

						sprintf(buf, "Page [%i]\nAnnot [%li][%li]\nAtom [%u]\nSubType
[%s]\nContents [%s]\nDate [%s]\nTitle [%s]\nSubject [%s]", i+1,
annot.a, annot.b, atom, subtypeStr, annBuf, dateBuf, titleAnnBuf,
subjBuf);
						AVAlertNote (buf);
					}
				}
			}
		}
	}


	return;
}

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Thanks in advanced!