bool MCReferencedImageRep::GetDataStream(IO_handle &r_stream)
{
IO_handle t_stream = nil;
if (MCSecureModeCanAccessDisk())
t_stream = MCS_open(m_file_name, IO_READ_MODE, false, false, 0);
// MW-2013-09-25: [[ Bug 10983 ]] Only ever try to load the rep as a url once.
if (t_stream == nil && !m_url_load_attempted)
{
// MW-2013-09-25: [[ Bug 10983 ]] Mark the rep has having attempted url load.
m_url_load_attempted = true;
MCExecPoint ep(MCdefaultstackptr, nil, nil);
ep.setsvalue(m_file_name);
MCU_geturl(ep);
if (ep.getsvalue().getlength() == 0)
return false;
/* UNCHECKED */ MCMemoryAllocateCopy(ep.getsvalue().getstring(), ep.getsvalue().getlength(), m_url_data);
m_url_data_size = ep.getsvalue().getlength();
t_stream = MCS_fakeopen(MCString((char*)m_url_data, m_url_data_size));
}
if (t_stream != nil)
r_stream = t_stream;
return t_stream != nil;
}
bool MCVectorImageRep::CalculateGeometry(uindex_t &r_width, uindex_t &r_height)
{
bool t_success = true;
IO_handle t_stream = nil;
t_success = nil != (t_stream = MCS_fakeopen(MCString((char*)m_data, m_size)));
if (t_success)
t_success = MCImageGetMetafileGeometry(t_stream, r_width, r_height);
if (t_stream != nil)
MCS_close(t_stream);
return t_success;
}
bool MCImageDecode(const uint8_t *p_data, uindex_t p_size, MCImageFrame *&r_frames, uindex_t &r_frame_count)
{
bool t_success = true;
IO_handle t_stream = nil;
t_success = nil != (t_stream = MCS_fakeopen(MCString((const char*)p_data, p_size)));
if (t_success)
t_success = MCImageDecode(t_stream, r_frames, r_frame_count);
if (t_stream != nil)
MCS_close(t_stream);
return t_success;
}
bool MCVectorImageRep::LoadHeader(uindex_t &r_width, uindex_t &r_height, uint32_t &r_frame_count)
{
bool t_success = true;
MCAutoDataRef t_data;
IO_handle t_stream = nil;
if (t_success)
t_success = nil != (t_stream = MCS_fakeopen((const char *)m_data, m_size));
if (t_success)
t_success = MCImageGetMetafileGeometry(t_stream, r_width, r_height);
if (t_success)
r_frame_count = 1;
if (t_stream != nil)
MCS_close(t_stream);
return t_success;
}
bool MCReferencedImageRep::GetDataStream(IO_handle &r_stream)
{
IO_handle t_stream = nil;
if (MCSecureModeCanAccessDisk())
t_stream = MCS_open(m_file_name, kMCOpenFileModeRead, false, false, 0);
if (t_stream == nil)
{
// MW-2013-09-25: [[ Bug 10983 ]] Only ever try to load the rep as a url once.
if (!m_url_load_attempted)
{
// MW-2013-09-25: [[ Bug 10983 ]] Mark the rep has having attempted url load.
m_url_load_attempted = true;
MCExecContext ctxt(MCdefaultstackptr, nil, nil);
MCAutoValueRef t_data;
MCU_geturl(ctxt, m_file_name, &t_data);
if (ctxt.HasError() || MCValueIsEmpty(*t_data))
return false;
MCAutoDataRef t_dataref;
/* UNCHECKED */ ctxt . ConvertToData(*t_data, &t_dataref);
/* UNCHECKED */ MCMemoryAllocateCopy(MCDataGetBytePtr(*t_dataref), MCDataGetLength(*t_dataref), m_url_data);
m_url_data_size = MCDataGetLength(*t_dataref);
}
// IM-2014-09-30: [[ Bug 13501 ]] If we already have the url data then make sure we use it.
if (m_url_data != nil)
t_stream = MCS_fakeopen((const char *)m_url_data, m_url_data_size);
}
if (t_stream != nil)
r_stream = t_stream;
return t_stream != nil;
}
bool MCVariableValue::decode(const MCString& p_value)
{
IO_handle t_stream_handle;
t_stream_handle = MCS_fakeopen(p_value);
if (t_stream_handle == NULL)
return false;
MCObjectInputStream *t_stream = nil;
t_stream = new MCObjectInputStream(t_stream_handle, p_value . getlength());
if (t_stream == NULL)
{
MCS_close(t_stream_handle);
return false;
}
IO_stat t_stat;
t_stat = IO_NORMAL;
uint8_t t_type;
t_stat = t_stream -> ReadU8(t_type);
if (t_stat == IO_NORMAL)
{
switch(t_type)
{
case kMCEncodedValueTypeUndefined:
clear();
break;
case kMCEncodedValueTypeEmpty:
assign_empty();
break;
case kMCEncodedValueTypeString:
{
uint32_t t_length;
t_stat = t_stream -> ReadU32(t_length);
if (t_stat == IO_NORMAL)
{
char *t_value;
t_value = new char[t_length];
if (t_value != NULL)
assign_buffer(t_value, t_length);
else
t_stat = IO_ERROR;
}
}
break;
case kMCEncodedValueTypeNumber:
{
double t_value;
t_stat = t_stream -> ReadFloat64(t_value);
if (t_stat == IO_NORMAL)
assign_real(t_value);
}
break;
case kMCEncodedValueTypeArray:
t_stat = loadarray(*t_stream, false);
break;
default:
t_stat = IO_ERROR;
break;
}
}
delete t_stream;
MCS_close(t_stream_handle);
set_dbg_changed(true);
return t_stat == IO_NORMAL;
}
void MCArraysEvalArrayDecode(MCExecContext& ctxt, MCDataRef p_encoding, MCArrayRef& r_array)
{
bool t_success;
t_success = true;
IO_handle t_stream_handle;
t_stream_handle = nil;
if (t_success)
{
t_stream_handle = MCS_fakeopen(MCDataGetBytePtr(p_encoding), MCDataGetLength(p_encoding));
if (t_stream_handle == nil)
t_success = false;
}
uint8_t t_type;
if (t_success)
if (IO_read_uint1(&t_type, t_stream_handle) != IO_NORMAL)
t_success = false;
// AL-2014-05-01: [[ Bug 11989 ]] If the type is 'empty' then just return the empty array.
if (t_success && t_type == kMCEncodedValueTypeEmpty)
{
r_array = MCValueRetain(kMCEmptyArray);
return;
}
// AL-2014-05-15: [[ Bug 12203 ]] Check initial byte for version 7.0 encoded array.
bool t_legacy;
t_legacy = t_type < kMCEncodedValueTypeArray;
MCArrayRef t_array;
t_array = nil;
if (t_success)
t_success = MCArrayCreateMutable(t_array);
if (t_legacy)
{
if (t_success)
if (MCS_putback(t_type, t_stream_handle) != IO_NORMAL)
t_success = false;
MCObjectInputStream *t_stream;
t_stream = nil;
if (t_success)
{
t_stream = new MCObjectInputStream(t_stream_handle, MCDataGetLength(p_encoding), false);
if (t_stream == nil)
t_success = false;
}
if (t_success)
if (t_stream -> ReadU8(t_type) != IO_NORMAL)
t_success = false;
if (t_success)
if (MCArrayLoadFromStreamLegacy(t_array, *t_stream) != IO_NORMAL)
t_success = false;
delete t_stream;
}
else
{
if (t_success)
if (IO_read_valueref_new((MCValueRef &)t_array, t_stream_handle) != IO_NORMAL)
t_success = false;
}
MCS_close(t_stream_handle);
if (t_success)
{
r_array = t_array;
return;
}
MCValueRelease(t_array);
ctxt . Throw();
}
bool MCDispatch::isolatedsend(const char *p_stack_data, uint32_t p_stack_data_length, const char *p_message, MCParameter *p_parameters)
{
Boolean t_old_allow_interrupts;
MCStack *t_old_stacks;
MCObjectList *t_old_frontscripts, *t_old_backscripts;
MCStack **t_old_using;
uint2 t_old_nusing;
MCStack *t_old_defaultstack;
MCStack *t_old_staticdefaultstack;
MCStack *t_old_topstackptr;
t_old_allow_interrupts = MCallowinterrupts;
t_old_stacks = stacks;
t_old_frontscripts = MCfrontscripts;
t_old_backscripts = MCbackscripts;
t_old_using = MCusing;
t_old_nusing = MCnusing;
t_old_defaultstack = MCdefaultstackptr;
t_old_staticdefaultstack = MCstaticdefaultstackptr;
t_old_topstackptr = MCtopstackptr;
MCallowinterrupts = False;
stacks = nil;
MCnusing = 0;
MCusing = nil;
MCbackscripts = nil;
MCfrontscripts = nil;
// Load the stack
MCExecPoint ep;
ep . setstaticbytes(p_stack_data, p_stack_data_length);
MCDecompress::do_decompress(ep, 0, 0);
bool t_success;
MCStack *t_stack;
IO_handle t_stream;
t_success = false;
t_stack = nil;
t_stream = MCS_fakeopen(ep . getsvalue());
if (MCdispatcher -> readfile(NULL, NULL, t_stream, t_stack) == IO_NORMAL)
{
MCdefaultstackptr = MCstaticdefaultstackptr = MCtopstackptr = stacks;
MCAutoNameRef t_message_name;
/* UNCHECKED */ t_message_name . CreateWithCString(p_message);
if (t_stack -> message(t_message_name, p_parameters, True, True, False) == ES_NORMAL)
t_success = true;
destroystack(t_stack, True);
}
MCS_close(t_stream);
memset((void *)ep . getsvalue() . getstring(), 0, ep . getsvalue() . getlength());
ep . clear();
MCtopstackptr = t_old_topstackptr;
MCstaticdefaultstackptr = t_old_staticdefaultstack;
MCdefaultstackptr = t_old_defaultstack;
MCnusing = t_old_nusing;
MCusing = t_old_using;
MCbackscripts = t_old_backscripts;
MCfrontscripts = t_old_frontscripts;
stacks = t_old_stacks;
MCallowinterrupts = t_old_allow_interrupts;
return t_success;
}
IO_stat MCDispatch::startup(void)
{
IO_stat stat;
MCStack *sptr;
// set up image cache before the first stack is opened
MCCachedImageRep::init();
startdir = MCS_getcurdir();
enginedir = strclone(MCcmd);
char *eptr;
eptr = strrchr(enginedir, PATH_SEPARATOR);
if (eptr != NULL)
*eptr = '\0';
else
*enginedir = '\0';
MCExecPoint ep;
ep . setstaticbytes(MCstartupstack, MCstartupstack_length);
MCDecompress::do_decompress(ep, 0, 0);
IO_handle stream = MCS_fakeopen(ep . getsvalue());
if ((stat = MCdispatcher -> readfile(NULL, NULL, stream, sptr)) != IO_NORMAL)
{
MCS_close(stream);
return stat;
}
MCS_close(stream);
memset((void *)ep . getsvalue() . getstring(), 0, ep . getsvalue() . getlength());
ep . clear();
// Temporary fix to make sure environment stack doesn't get lost behind everything.
#if defined(_MACOSX)
ProcessSerialNumber t_psn = { 0, kCurrentProcess };
SetFrontProcess(&t_psn);
#elif defined(_WINDOWS)
SetForegroundWindow(((MCScreenDC *)MCscreen) -> getinvisiblewindow());
#endif
MCenvironmentactive = True;
sptr -> setfilename(strclone(MCcmd));
MCdefaultstackptr = MCstaticdefaultstackptr = stacks;
{
MCdefaultstackptr -> setextendedstate(true, ECS_DURING_STARTUP);
MCdefaultstackptr -> message(MCM_start_up, nil, False, True);
MCdefaultstackptr -> setextendedstate(false, ECS_DURING_STARTUP);
}
if (!MCquit)
{
MCresult -> fetch(ep);
ep . appendchar('\0');
if (ep . getsvalue() . getlength() == 1)
{
sptr -> open();
MCImage::init();
X_main_loop();
MCresult -> fetch(ep);
ep . appendchar('\0');
if (ep . getsvalue() . getlength() == 1)
return IO_NORMAL;
}
if (sptr -> getscript() != NULL)
memset(sptr -> getscript(), 0, strlen(sptr -> getscript()));
destroystack(sptr, True);
MCtopstackptr = NULL;
MCquit = False;
MCenvironmentactive = False;
send_relaunch();
sptr = findstackname(ep . getsvalue() . getstring());
if (sptr == NULL && (stat = loadfile(ep . getsvalue() . getstring(), sptr)) != IO_NORMAL)
return stat;
}
if (!MCquit)
{
// OK-2007-11-13 : Bug 5525, after opening the IDE engine, the allowInterrupts should always default to false,
// regardless of what the environment stack may have set it to.
MCallowinterrupts = true;
sptr -> setparent(this);
MCdefaultstackptr = MCstaticdefaultstackptr = stacks;
send_startup_message(false);
if (!MCquit)
sptr -> open();
}
return IO_NORMAL;
}
bool MCResidentImageRep::GetDataStream(IO_handle &r_stream)
{
r_stream = MCS_fakeopen(MCString((char*)m_data, m_size));
return r_stream != nil;
}