+/***********************************************************************
+ Conversions on Apple event objects
+ ***********************************************************************/
+
+static Lisp_Object Qundecoded_file_name;
+
+static Lisp_Object
+mac_aelist_to_lisp (desc_list)
+ AEDescList *desc_list;
+{
+ OSErr err;
+ long count;
+ Lisp_Object result, elem;
+ DescType desc_type;
+ Size size;
+ AEKeyword keyword;
+ AEDesc desc;
+
+ err = AECountItems (desc_list, &count);
+ if (err != noErr)
+ return Qnil;
+ result = Qnil;
+ while (count > 0)
+ {
+ err = AESizeOfNthItem (desc_list, count, &desc_type, &size);
+ if (err == noErr)
+ switch (desc_type)
+ {
+ case typeAEList:
+ case typeAERecord:
+ case typeAppleEvent:
+ err = AEGetNthDesc (desc_list, count, typeWildCard,
+ &keyword, &desc);
+ if (err != noErr)
+ break;
+ elem = mac_aelist_to_lisp (&desc);
+ AEDisposeDesc (&desc);
+ break;
+
+ default:
+ if (desc_type == typeNull)
+ elem = Qnil;
+ else
+ {
+ elem = make_uninit_string (size);
+ err = AEGetNthPtr (desc_list, count, typeWildCard, &keyword,
+ &desc_type, SDATA (elem), size, &size);
+ }
+ if (err != noErr)
+ break;
+ desc_type = EndianU32_NtoB (desc_type);
+ elem = Fcons (make_unibyte_string ((char *) &desc_type, 4), elem);
+ break;
+ }
+
+ if (err != noErr)
+ elem = Qnil;
+ else if (desc_list->descriptorType != typeAEList)
+ {
+ keyword = EndianU32_NtoB (keyword);
+ elem = Fcons (make_unibyte_string ((char *) &keyword, 4), elem);
+ }
+
+ result = Fcons (elem, result);
+ count--;
+ }
+
+ desc_type = EndianU32_NtoB (desc_list->descriptorType);
+ return Fcons (make_unibyte_string ((char *) &desc_type, 4), result);
+}
+
+Lisp_Object
+mac_aedesc_to_lisp (desc)
+ AEDesc *desc;
+{
+ OSErr err = noErr;
+ DescType desc_type = desc->descriptorType;
+ Lisp_Object result;
+
+ switch (desc_type)
+ {
+ case typeNull:
+ result = Qnil;
+ break;
+
+ case typeAEList:
+ case typeAERecord:
+ case typeAppleEvent:
+ return mac_aelist_to_lisp (desc);
+#if 0
+ /* The following one is much simpler, but creates and disposes
+ of Apple event descriptors many times. */
+ {
+ long count;
+ Lisp_Object elem;
+ AEKeyword keyword;
+ AEDesc desc1;
+
+ err = AECountItems (desc, &count);
+ if (err != noErr)
+ break;
+ result = Qnil;
+ while (count > 0)
+ {
+ err = AEGetNthDesc (desc, count, typeWildCard, &keyword, &desc1);
+ if (err != noErr)
+ break;
+ elem = mac_aedesc_to_lisp (&desc1);
+ AEDisposeDesc (&desc1);
+ if (desc_type != typeAEList)
+ {
+ keyword = EndianU32_NtoB (keyword);
+ elem = Fcons (make_unibyte_string ((char *) &keyword, 4), elem);
+ }
+ result = Fcons (elem, result);
+ count--;
+ }
+ }
+#endif
+ break;
+
+ default:
+#if TARGET_API_MAC_CARBON
+ result = make_uninit_string (AEGetDescDataSize (desc));
+ err = AEGetDescData (desc, SDATA (result), SBYTES (result));
+#else
+ result = make_uninit_string (GetHandleSize (desc->dataHandle));
+ memcpy (SDATA (result), *(desc->dataHandle), SBYTES (result));
+#endif
+ break;
+ }
+
+ if (err != noErr)
+ return Qnil;
+
+ desc_type = EndianU32_NtoB (desc_type);
+ return Fcons (make_unibyte_string ((char *) &desc_type, 4), result);
+}
+
+static pascal OSErr
+mac_coerce_file_name_ptr (type_code, data_ptr, data_size,
+ to_type, handler_refcon, result)
+ DescType type_code;
+ const void *data_ptr;
+ Size data_size;
+ DescType to_type;
+ long handler_refcon;
+ AEDesc *result;
+{
+ OSErr err;
+
+ if (type_code == typeNull)
+ err = errAECoercionFail;
+ else if (type_code == to_type || to_type == typeWildCard)
+ err = AECreateDesc (TYPE_FILE_NAME, data_ptr, data_size, result);
+ else if (type_code == TYPE_FILE_NAME)
+ /* Coercion from undecoded file name. */
+ {
+#ifdef MAC_OSX
+ CFStringRef str;
+ CFURLRef url = NULL;
+ CFDataRef data = NULL;
+
+ str = CFStringCreateWithBytes (NULL, data_ptr, data_size,
+ kCFStringEncodingUTF8, false);
+ if (str)
+ {
+ url = CFURLCreateWithFileSystemPath (NULL, str,
+ kCFURLPOSIXPathStyle, false);
+ CFRelease (str);
+ }
+ if (url)
+ {
+ data = CFURLCreateData (NULL, url, kCFStringEncodingUTF8, true);
+ CFRelease (url);
+ }
+ if (data)
+ {
+ err = AECoercePtr (typeFileURL, CFDataGetBytePtr (data),
+ CFDataGetLength (data), to_type, result);
+ CFRelease (data);
+ }
+ else
+ err = memFullErr;
+#else
+ FSSpec fs;
+ char *buf;
+
+ buf = xmalloc (data_size + 1);
+ if (buf)
+ {
+ memcpy (buf, data_ptr, data_size);
+ buf[data_size] = '\0';
+ err = posix_pathname_to_fsspec (buf, &fs);
+ xfree (buf);
+ }
+ else
+ err = memFullErr;
+ if (err == noErr)
+ err = AECoercePtr (typeFSS, &fs, sizeof (FSSpec), to_type, result);
+#endif
+ }
+ else if (to_type == TYPE_FILE_NAME)
+ /* Coercion to undecoded file name. */
+ {
+#ifdef MAC_OSX
+ CFURLRef url = NULL;
+ CFStringRef str = NULL;
+ CFDataRef data = NULL;
+
+ if (type_code == typeFileURL)
+ url = CFURLCreateWithBytes (NULL, data_ptr, data_size,
+ kCFStringEncodingUTF8, NULL);
+ else
+ {
+ AEDesc desc;
+ Size size;
+ char *buf;
+
+ err = AECoercePtr (type_code, data_ptr, data_size,
+ typeFileURL, &desc);
+ if (err == noErr)
+ {
+ size = AEGetDescDataSize (&desc);
+ buf = xmalloc (size);
+ if (buf)
+ {
+ err = AEGetDescData (&desc, buf, size);
+ if (err == noErr)
+ url = CFURLCreateWithBytes (NULL, buf, size,
+ kCFStringEncodingUTF8, NULL);
+ xfree (buf);
+ }
+ AEDisposeDesc (&desc);
+ }
+ }
+ if (url)
+ {
+ str = CFURLCopyFileSystemPath (url, kCFURLPOSIXPathStyle);
+ CFRelease (url);
+ }
+ if (str)
+ {
+ data = CFStringCreateExternalRepresentation (NULL, str,
+ kCFStringEncodingUTF8,
+ '\0');
+ CFRelease (str);
+ }
+ if (data)
+ {
+ err = AECreateDesc (TYPE_FILE_NAME, CFDataGetBytePtr (data),
+ CFDataGetLength (data), result);
+ CFRelease (data);
+ }
+#else
+ char file_name[MAXPATHLEN];
+
+ if (type_code == typeFSS && data_size == sizeof (FSSpec))
+ err = fsspec_to_posix_pathname (data_ptr, file_name,
+ sizeof (file_name) - 1);
+ else
+ {
+ AEDesc desc;
+ FSSpec fs;
+
+ err = AECoercePtr (type_code, data_ptr, data_size, typeFSS, &desc);
+ if (err == noErr)
+ {
+#if TARGET_API_MAC_CARBON
+ err = AEGetDescData (&desc, &fs, sizeof (FSSpec));
+#else
+ fs = *(FSSpec *)(*(desc.dataHandle));
+#endif
+ if (err == noErr)
+ err = fsspec_to_posix_pathname (&fs, file_name,
+ sizeof (file_name) - 1);
+ AEDisposeDesc (&desc);
+ }
+ }
+ if (err == noErr)
+ err = AECreateDesc (TYPE_FILE_NAME, file_name,
+ strlen (file_name), result);
+#endif
+ }
+ else
+ abort ();
+
+ if (err != noErr)
+ return errAECoercionFail;
+ return noErr;
+}
+
+static pascal OSErr
+mac_coerce_file_name_desc (from_desc, to_type, handler_refcon, result)
+ const AEDesc *from_desc;
+ DescType to_type;
+ long handler_refcon;
+ AEDesc *result;
+{
+ OSErr err = noErr;
+ DescType from_type = from_desc->descriptorType;
+
+ if (from_type == typeNull)
+ err = errAECoercionFail;
+ else if (from_type == to_type || to_type == typeWildCard)
+ err = AEDuplicateDesc (from_desc, result);
+ else
+ {
+ char *data_ptr;
+ Size data_size;
+
+#if TARGET_API_MAC_CARBON
+ data_size = AEGetDescDataSize (from_desc);
+#else
+ data_size = GetHandleSize (from_desc->dataHandle);
+#endif
+ data_ptr = xmalloc (data_size);
+ if (data_ptr)
+ {
+#if TARGET_API_MAC_CARBON
+ err = AEGetDescData (from_desc, data_ptr, data_size);
+#else
+ memcpy (data_ptr, *(from_desc->dataHandle), data_size);
+#endif
+ if (err == noErr)
+ err = mac_coerce_file_name_ptr (from_type, data_ptr,
+ data_size, to_type,
+ handler_refcon, result);
+ xfree (data_ptr);
+ }
+ else
+ err = memFullErr;
+ }
+
+ if (err != noErr)
+ return errAECoercionFail;
+ return noErr;
+}
+
+OSErr
+init_coercion_handler ()
+{
+ OSErr err;
+
+ static AECoercePtrUPP coerce_file_name_ptrUPP = NULL;
+ static AECoerceDescUPP coerce_file_name_descUPP = NULL;
+
+ if (coerce_file_name_ptrUPP == NULL)
+ {
+ coerce_file_name_ptrUPP = NewAECoercePtrUPP (mac_coerce_file_name_ptr);
+ coerce_file_name_descUPP = NewAECoerceDescUPP (mac_coerce_file_name_desc);
+ }
+
+ err = AEInstallCoercionHandler (TYPE_FILE_NAME, typeWildCard,
+ (AECoercionHandlerUPP)
+ coerce_file_name_ptrUPP, 0, false, false);
+ if (err == noErr)
+ err = AEInstallCoercionHandler (typeWildCard, TYPE_FILE_NAME,
+ (AECoercionHandlerUPP)
+ coerce_file_name_ptrUPP, 0, false, false);
+ if (err == noErr)
+ err = AEInstallCoercionHandler (TYPE_FILE_NAME, typeWildCard,
+ coerce_file_name_descUPP, 0, true, false);
+ if (err == noErr)
+ err = AEInstallCoercionHandler (typeWildCard, TYPE_FILE_NAME,
+ coerce_file_name_descUPP, 0, true, false);
+ return err;
+}
+
+#if TARGET_API_MAC_CARBON
+OSErr
+create_apple_event_from_event_ref (event, num_params, names, types, result)
+ EventRef event;
+ UInt32 num_params;
+ EventParamName *names;
+ EventParamType *types;
+ AppleEvent *result;
+{
+ OSErr err;
+ static const ProcessSerialNumber psn = {0, kCurrentProcess};
+ AEAddressDesc address_desc;
+ UInt32 i, size;
+ CFStringRef string;
+ CFDataRef data;
+ char *buf;
+
+ err = AECreateDesc (typeProcessSerialNumber, &psn,
+ sizeof (ProcessSerialNumber), &address_desc);
+ if (err == noErr)
+ {
+ err = AECreateAppleEvent (0, 0, /* Dummy class and ID. */
+ &address_desc, /* NULL is not allowed
+ on Mac OS Classic. */
+ kAutoGenerateReturnID,
+ kAnyTransactionID, result);
+ AEDisposeDesc (&address_desc);
+ }
+ if (err != noErr)
+ return err;
+
+ for (i = 0; i < num_params; i++)
+ switch (types[i])
+ {
+#ifdef MAC_OSX
+ case typeCFStringRef:
+ err = GetEventParameter (event, names[i], typeCFStringRef, NULL,
+ sizeof (CFStringRef), NULL, &string);
+ if (err != noErr)
+ break;
+ data = CFStringCreateExternalRepresentation (NULL, string,
+ kCFStringEncodingUTF8,
+ '?');
+ if (data == NULL)
+ break;
+ /* typeUTF8Text is not available on Mac OS X 10.1. */
+ AEPutParamPtr (result, names[i], 'utf8',
+ CFDataGetBytePtr (data), CFDataGetLength (data));
+ CFRelease (data);
+ break;
+#endif
+
+ default:
+ err = GetEventParameter (event, names[i], types[i], NULL,
+ 0, &size, NULL);
+ if (err != noErr)
+ break;
+ buf = xmalloc (size);
+ if (buf == NULL)
+ break;
+ err = GetEventParameter (event, names[i], types[i], NULL,
+ size, NULL, buf);
+ if (err == noErr)
+ AEPutParamPtr (result, names[i], types[i], buf, size);
+ xfree (buf);
+ break;
+ }
+
+ return noErr;
+}
+#endif
+
+\f
HCoop / bpt / emacs.git / blobdiff