static VALUE
rbosa_element_eql (VALUE self, VALUE other)
{
AEDesc * self_desc;
AEDesc * other_desc;
Size data_size;
void * self_data;
void * other_data;
OSErr error;
Boolean ok;
if (!rb_obj_is_kind_of (other, rb_class_real (rb_class_of (self))))
return Qfalse;
self_desc = rbosa_element_aedesc (self);
other_desc = rbosa_element_aedesc (other);
if (self_desc == other_desc)
return Qtrue;
if (self_desc->descriptorType != other_desc->descriptorType)
return Qfalse;
data_size = AEGetDescDataSize (self_desc);
if (data_size != AEGetDescDataSize (other_desc))
return Qfalse;
self_data = (void *)malloc (data_size);
other_data = (void *)malloc (data_size);
ok = 0;
if (self_data == NULL || other_data == NULL)
rb_fatal ("cannot allocate memory");
error = AEGetDescData (self_desc, self_data, data_size);
if (error != noErr)
goto bails;
error = AEGetDescData (other_desc, other_data, data_size);
if (error != noErr)
goto bails;
ok = memcmp (self_data, other_data, data_size) == 0;
bails:
free (self_data);
free (other_data);
return CBOOL2RVAL (ok);
}
// if the input is UTF8Text, returns its size in bytes. Otherwise returns -1
ptrdiff_t _hs_getUTF8Size(const AEDesc* input) {
if (input != NULL && input->descriptorType == typeUTF8Text) {
return AEGetDescDataSize(input);
} else {
return -1;
}
}
pascal OSErr MoreAEGetCFStringFromDescriptor(const AEDesc* pAEDesc, CFStringRef* pCFStringRef)
{
AEDesc uniAEDesc = {typeNull, NULL};
OSErr anErr;
if (NULL == pCFStringRef)
return paramErr;
anErr = AECoerceDesc(pAEDesc, typeUnicodeText, &uniAEDesc);
if (noErr == anErr)
{
if (typeUnicodeText == uniAEDesc.descriptorType)
{
Size bufSize = AEGetDescDataSize(&uniAEDesc);
Ptr buf = NewPtr(bufSize);
if ((noErr == (anErr = MemError())) && (NULL != buf))
{
anErr = AEGetDescData(&uniAEDesc, buf, bufSize);
if (noErr == anErr)
*pCFStringRef = CFStringCreateWithCharacters(kCFAllocatorDefault, (UniChar*) buf, bufSize / (Size) sizeof(UniChar));
DisposePtr(buf);
}
}
MoreAEDisposeDesc(&uniAEDesc);
}
return (anErr);
}//end MoreAEGetCFStringFromDescriptor
static VALUE
__rbosa_class_from_desc_data (VALUE app, AEDesc res)
{
DescType data;
Size datasize;
VALUE classes, klass;
classes = rb_ivar_get (app, sClasses);
if (NIL_P (classes))
return Qnil;
klass = Qnil;
datasize = AEGetDescDataSize (&res);
/* This should always be a four-byte code. */
if (datasize != sizeof (DescType))
return Qnil;
if (AEGetDescData (&res, &data, datasize) == noErr) {
char dtStr[5];
*(DescType *)dtStr = CFSwapInt32HostToBig (data);
klass = rb_hash_aref (classes, rb_str_new (dtStr, 4));
}
return klass;
}
OSErr getURLFromUTextDesc(const AEDesc *utdesc_p, CFURLRef *urlRef_p)
{
OSErr err;
Size theLength = AEGetDescDataSize(utdesc_p);
UInt8 *theData = malloc(theLength);
err = AEGetDescData(utdesc_p, theData, theLength);
if (err != noErr) goto bail;
CFStringRef pathStr = CFStringCreateWithBytes(NULL, theData, theLength, kCFStringEncodingUnicode, false);
CFURLPathStyle pathStyle;
if (CFStringHasPrefix(pathStr, CFSTR("/"))) {
pathStyle = kCFURLPOSIXPathStyle;
}
else {
pathStyle = kCFURLHFSPathStyle;
}
*urlRef_p = CFURLCreateWithFileSystemPath(NULL, pathStr, pathStyle, true);
CFRelease(pathStr);
bail:
free(theData);
return err;
}
static VALUE
rbosa_element_data (int argc, VALUE *argv, VALUE self)
{
VALUE coerce_type;
AEDesc coerced_desc;
AEDesc * desc;
OSErr error;
void * data;
Size datasize;
VALUE retval;
bool to_4cc;
rb_scan_args (argc, argv, "01", &coerce_type);
to_4cc = false;
desc = rbosa_element_aedesc (self);
if (!NIL_P (coerce_type)) {
FourCharCode code;
code = RVAL2FOURCHAR (coerce_type);
error = AECoerceDesc (desc, code, &coerced_desc);
if (error != noErr)
rb_raise (rb_eRuntimeError, "Cannot coerce desc to type %s : %s (%d)",
RVAL2CSTR (coerce_type), error_code_to_string (error), error);
desc = &coerced_desc;
to_4cc = code == 'type';
}
datasize = AEGetDescDataSize (desc);
data = (void *)malloc (datasize);
if (data == NULL)
rb_fatal ("cannot allocate memory");
error = AEGetDescData (desc, data, datasize);
if (error == noErr) {
if (to_4cc)
*(DescType*)data = CFSwapInt32HostToBig (*(DescType*)data);
retval = rb_str_new (data, datasize);
}
else {
retval = Qnil;
}
if (!NIL_P (coerce_type))
AEDisposeDesc (&coerced_desc);
free (data);
if (error != noErr)
rb_raise (rb_eRuntimeError, "Cannot get desc data : %s (%d)",
error_code_to_string (error), error);
return retval;
}
static void
__rbosa_raise_potential_app_error (AEDesc *reply)
{
OSErr error;
AEDesc errorNumDesc;
AEDesc errorStringDesc;
int errorNum;
const char * errorMsg;
char exception[128];
if (AEGetParamDesc (reply, keyErrorNumber, typeSInt32, &errorNumDesc) != noErr)
return;
if (AEGetDescData (&errorNumDesc, &errorNum, sizeof errorNum) != noErr) {
AEDisposeDesc (&errorNumDesc);
return;
}
if (errorNum == noErr)
return;
/* The reply is an application error. */
errorMsg = error_code_to_string(errorNum);
if (errorMsg == NULL)
errorMsg = "Unknown error";
exception[0] = '\0';
error = AEGetParamDesc (reply, keyErrorString, typeChar, &errorStringDesc);
if (error == noErr) {
Size size;
size = AEGetDescDataSize (&errorStringDesc);
if (size > 0) {
char *msg;
msg = (char *)malloc (size + 1);
if (msg != NULL) {
if (AEGetDescData (&errorStringDesc, msg, size) == noErr) {
msg[size] = '\0';
snprintf (exception, sizeof exception, "application returned error: %s (%d), with message: %s", errorMsg, errorNum, msg);
}
free (msg);
}
}
AEDisposeDesc (&errorStringDesc);
}
if (exception[0] == '\0')
snprintf (exception, sizeof exception, "application returned error: %s (%d)", errorMsg, errorNum);
AEDisposeDesc (&errorNumDesc);
rb_raise (rb_eRuntimeError, exception);
}
static PyObject *AEDesc_repr(AEDescObject *self)
{
PyObject *type, *rep;
type = AE_BuildOSType(self->ob_itself.descriptorType);
rep = PyUnicode_FromFormat("<aem.ae.AEDesc type=%R size=%ld>",
type,
AEGetDescDataSize(&self->ob_itself));
Py_DECREF(type);
return rep;
}
static PyObject *AEDesc_repr(AEDescObject *self)
{
PyObject *type, *typerep, *rep;
type = AE_BuildOSType(self->ob_itself.descriptorType);
typerep = PyObject_Repr(type);
rep = PyString_FromFormat("<aem.ae.AEDesc type=%s size=%ld>",
PyString_AsString(typerep),
AEGetDescDataSize(&self->ob_itself));
Py_DECREF(type);
Py_DECREF(typerep);
return rep;
}
static PyObject *AEDesc_AEGetDescDataSize(AEDescObject *_self, PyObject *_args)
{
PyObject *_res = NULL;
Size _rv;
#ifndef AEGetDescDataSize
PyMac_PRECHECK(AEGetDescDataSize);
#endif
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_rv = AEGetDescDataSize(&_self->ob_itself);
_res = Py_BuildValue("l",
_rv);
return _res;
}
static PyObject *AEDesc_get_data(AEDescObject *self, void *closure)
{
PyObject *res;
Size size;
char *ptr;
OSErr err;
size = AEGetDescDataSize(&self->ob_itself);
if ( (res = PyBytes_FromStringAndSize(NULL, size)) == NULL )
return NULL;
if ( (ptr = PyBytes_AsString(res)) == NULL )
return NULL;
if ( (err=AEGetDescData(&self->ob_itself, ptr, size)) < 0 )
return AE_MacOSError(err);
return res;
}
static boolean getdescdata (AEDesc *desc, Handle *h) {
/*
PBS 03/14/02: get data from AEDesc's data handle as
a handle. The handle is allocated here. Caller
will dispose of handle, unless this function returns false.
*/
Size len;
len = AEGetDescDataSize (desc);
/* kw - 2005-12-12 - we should return at least a zero sized handle
if (len < 1) {
*h = nil;
return (false);
}
*/
if (!newclearhandle (len, h)) {
*h = nil;
return (false);
}
lockhandle (*h);
if (AEGetDescData (desc, **h, len) != noErr) {
disposehandle (*h);
*h = nil;
return (false);
} /*if*/
unlockhandle (*h);
return (true);
} /*getdescdata*/
CFStringRef CFStringCreateWithAEDesc(const AEDesc *desc, OSErr *errPtr)
{
CFStringEncoding encodeKey;
CFStringRef result = NULL;
Boolean isExternalRepresentation = false;
void *dataPtr = NULL;
switch (desc->descriptorType) {
case typeChar:
encodeKey = CFStringGetSystemEncoding();
break;
case typeUTF8Text:
encodeKey = kCFStringEncodingUTF8;
break;
case typeUnicodeText:
encodeKey = kCFStringEncodingUnicode;
break;
case typeUTF16ExternalRepresentation:
encodeKey = kCFStringEncodingUTF16;
isExternalRepresentation = true;
break;
default :
goto bail;
}
Size dataSize = AEGetDescDataSize (desc);
dataPtr = malloc(dataSize);
*errPtr = AEGetDescData(desc, dataPtr, dataSize);
if (noErr != *errPtr) {
goto bail;
}
result = CFStringCreateWithBytes(kCFAllocatorDefault, dataPtr, dataSize, encodeKey, isExternalRepresentation);
bail:
if (dataPtr) free(dataPtr);
return result;
}
static PyObject *AE_AddressDescToPath(PyObject *_self, PyObject *_args)
{
AEDesc desc;
ProcessSerialNumber psn;
pid_t pid;
OSType creatorType = kLSUnknownCreator;
Size cSize;
char *cStr;
CFStringRef bundleID = NULL;
FSRef fsref;
UInt8 path[PATH_MAX];
PyObject* pathObj;
OSStatus err;
if (!PyArg_ParseTuple(_args, "O&",
AE_AEDesc_Convert, &desc))
return NULL;
switch (desc.descriptorType) {
case typeKernelProcessID:
err = AEGetDescData(&desc, &pid, sizeof(pid));
if (err) return AE_MacOSError(err);
err = GetProcessForPID(pid, &psn);
if (err) return AE_MacOSError(err);
err = GetProcessBundleLocation(&psn, &fsref);
if (err) return AE_MacOSError(err);
break;
case typeProcessSerialNumber:
err = AEGetDescData(&desc, &psn, sizeof(psn));
if (err) return AE_MacOSError(err);
err = GetProcessBundleLocation(&psn, &fsref);
if (err) return AE_MacOSError(err);
break;
case typeApplSignature:
err = AEGetDescData(&desc, &creatorType, sizeof(creatorType));
if (err) return AE_MacOSError(err);
err = LSFindApplicationForInfo(creatorType, bundleID, NULL, &fsref, NULL);
if (err) return AE_MacOSError(err);
break;
case typeApplicationBundleID:
cSize = AEGetDescDataSize(&desc);
cStr = malloc((size_t)cSize);
if (!cStr) return AE_MacOSError(errAECoercionFail);
err = AEGetDescData(&desc, cStr, cSize);
if (err) return AE_MacOSError(err);
bundleID = CFStringCreateWithBytes(NULL, (UInt8 *)cStr, (CFIndex)cSize, kCFStringEncodingUTF8, 0);
free(cStr);
if (!bundleID) return AE_MacOSError(errAECoercionFail);
err = LSFindApplicationForInfo(creatorType, bundleID, NULL, &fsref, NULL);
if (err) return AE_MacOSError(err);
break;
case typeMachPort: // unsupported
case typeApplicationURL: // unsupported (remote applications)
default:
return AE_MacOSError(errAECoercionFail);
}
err = FSRefMakePath(&fsref, path, sizeof(path));
if (err) return AE_MacOSError(err);
pathObj = PyUnicode_DecodeUTF8((char *)path, strlen((char *)path), NULL);
return Py_BuildValue("O", pathObj);
}
static OSErr
ScriptHandler(
const AppleEvent *event,
AppleEvent *reply,
SRefCon handlerRefcon)
{
OSStatus theErr;
AEDescList theDesc;
int tclErr = -1;
Tcl_Interp *interp = (Tcl_Interp *) handlerRefcon;
char errString[128];
/*
* The do script event receives one parameter that should be data or a
* file.
*/
theErr = AEGetParamDesc(event, keyDirectObject, typeWildCard,
&theDesc);
if (theErr != noErr) {
sprintf(errString, "AEDoScriptHandler: GetParamDesc error %d",
(int)theErr);
theErr = AEPutParamPtr(reply, keyErrorString, typeChar, errString,
strlen(errString));
} else if (MissedAnyParameters(event)) {
/*
* Return error if parameter is missing.
*/
sprintf(errString, "AEDoScriptHandler: extra parameters");
AEPutParamPtr(reply, keyErrorString, typeChar, errString,
strlen(errString));
theErr = -1771;
} else if (theDesc.descriptorType == (DescType) typeChar) {
/*
* We've had some data sent to us. Evaluate it.
*/
Tcl_DString encodedText;
short i;
Size size = AEGetDescDataSize(&theDesc);
char *data = ckalloc(size + 1);
AEGetDescData(&theDesc, data, size);
data[size] = 0;
for (i = 0; i < size; i++) {
if (data[i] == '\r') {
data[i] = '\n';
}
}
AEReplaceDescData(theDesc.descriptorType, data, size + 1, &theDesc);
Tcl_ExternalToUtfDString(NULL, data, size, &encodedText);
tclErr = Tcl_EvalEx(interp, Tcl_DStringValue(&encodedText),
Tcl_DStringLength(&encodedText), TCL_EVAL_GLOBAL);
Tcl_DStringFree(&encodedText);
} else if (theDesc.descriptorType == (DescType) typeAlias) {
/*
* We've had a file sent to us. Source it.
*/
Boolean dummy;
FSRef file;
Size theSize = AEGetDescDataSize(&theDesc);
AliasPtr alias = (AliasPtr) ckalloc(theSize);
if (alias) {
AEGetDescData(&theDesc, alias, theSize);
theErr = FSResolveAlias(NULL, &alias, &file, &dummy);
ckfree((char*)alias);
} else {
theErr = memFullErr;
}
if (theErr == noErr) {
Tcl_DString scriptName;
theErr = FSRefToDString(&file, &scriptName);
if (theErr == noErr) {
Tcl_EvalFile(interp, Tcl_DStringValue(&scriptName));
Tcl_DStringFree(&scriptName);
}
} else {
sprintf(errString, "AEDoScriptHandler: file not found");
AEPutParamPtr(reply, keyErrorString, typeChar, errString,
strlen(errString));
}
} else {
/*
* Umm, don't recognize what we've got...
*/
sprintf(errString, "AEDoScriptHandler: invalid script type '%-4.4s',"
" must be 'alis' or 'TEXT'", (char*) &theDesc.descriptorType);
AEPutParamPtr(reply, keyErrorString, typeChar, errString,
strlen(errString));
theErr = -1770;
}
/*
* If we actually go to run Tcl code - put the result in the reply.
*/
if (tclErr >= 0) {
int reslen;
const char *result =
Tcl_GetStringFromObj(Tcl_GetObjResult(interp), &reslen);
if (tclErr == TCL_OK) {
AEPutParamPtr(reply, keyDirectObject, typeChar, result, reslen);
} else {
AEPutParamPtr(reply, keyErrorString, typeChar, result, reslen);
AEPutParamPtr(reply, keyErrorNumber, typeSInt32, (Ptr) &tclErr,
sizeof(int));
}
}
AEDisposeDesc(&theDesc);
return theErr;
}