// Recreate the image.
void MHText::Redraw()
{
if (! m_fRunning || !m_pDisplay)
{
return;
}
if (m_nBoxWidth == 0 || m_nBoxHeight == 0)
{
return; // Can't draw zero sized boxes.
}
m_pDisplay->SetSize(m_nBoxWidth, m_nBoxHeight);
m_pDisplay->Clear();
MHRgba textColour = GetColour(m_textColour);
// Process any escapes in the text and construct the text arrays.
MHSequence <MHTextLine *> theText;
// Set up the first item on the first line.
MHTextItem *pCurrItem = new MHTextItem;
MHTextLine *pCurrLine = new MHTextLine;
pCurrLine->m_Items.Append(pCurrItem);
theText.Append(pCurrLine);
MHStack <MHRgba> m_ColourStack; // Stack to handle nested colour codes.
m_ColourStack.Push(textColour);
pCurrItem->m_Colour = textColour;
// FILE *fd=stdout; fprintf(fd, "Redraw Text "); m_Content.PrintMe(fd, 0); fprintf(fd, "\n");
int i = 0;
while (i < m_Content.Size())
{
unsigned char ch = m_Content.GetAt(i++);
if (ch == 0x09) // Tab - start a new item if we have any text in the existing one.
{
if (pCurrItem->m_Text.Size() != 0)
{
pCurrItem = pCurrItem->NewItem();
pCurrLine->m_Items.Append(pCurrItem);
}
if (m_HorizJ == Start)
pCurrItem->m_nTabCount++;
}
else if (ch == 0x0d) // CR - line break.
{
// TODO: Two CRs next to one another are treated as </P> rather than <BR><BR>
// This should also include the sequence CRLFCRLF.
pCurrLine = new MHTextLine;
theText.Append(pCurrLine);
pCurrItem = pCurrItem->NewItem();
pCurrLine->m_Items.Append(pCurrItem);
}
else if (ch == 0x1b) // Escape - special codes.
{
if (i == m_Content.Size())
{
break;
}
unsigned char code = m_Content.GetAt(i);
// The only codes we are interested in are the start and end of colour.
// TODO: We may also need "bold" and some hypertext colours.
if (code >= 0x40 && code <= 0x5e) // Start code
{
// Start codes are followed by a parameter count and a number of parameter bytes.
if (++i == m_Content.Size())
{
break;
}
unsigned char paramCount = m_Content.GetAt(i);
i++;
if (code == 0x43 && paramCount == 4 && i + paramCount <= m_Content.Size())
{
// Start of colour.
if (pCurrItem->m_Text.Size() != 0)
{
pCurrItem = pCurrItem->NewItem();
pCurrLine->m_Items.Append(pCurrItem);
}
pCurrItem->m_Colour = MHRgba(m_Content.GetAt(i), m_Content.GetAt(i + 1),
m_Content.GetAt(i + 2), 255 - m_Content.GetAt(i + 3));
// Push this colour onto the colour stack.
m_ColourStack.Push(pCurrItem->m_Colour);
}
else
{
MHLOG(MHLogWarning, QString("Unknown text escape code 0x%1").arg(code, 2, 16));
}
i += paramCount; // Skip the parameters
}
else if (code >= 0x60 && code <= 0x7e) // End code.
{
i++;
if (code == 0x63)
{
if (m_ColourStack.Size() > 1)
{
m_ColourStack.Pop();
// Start a new item since we're using a new colour.
if (pCurrItem->m_Text.Size() != 0)
{
pCurrItem = pCurrItem->NewItem();
pCurrLine->m_Items.Append(pCurrItem);
}
// Set the subsequent text in the colour we're using now.
pCurrItem->m_Colour = m_ColourStack.Top();
}
}
else MHLOG(MHLogWarning, QString("Unknown text escape code 0x%1").arg(code,2,16));
}
else MHLOG(MHLogWarning, QString("Unknown text escape code 0x%1").arg(code,2,16));
}
else if (ch <= 0x1f)
{
// Certain characters including LF and the marker codes between 0x1c and 0x1f are
// explicitly intended to be ignored. Include all the other codes.
}
else // Add to the current text.
{
int nStart = i - 1;
while (i < m_Content.Size() && m_Content.GetAt(i) >= 0x20)
{
i++;
}
pCurrItem->m_Text.Append(MHOctetString(m_Content, nStart, i - nStart));
}
}
// Set up the initial attributes.
int style, size, lineSpace, letterSpace;
InterpretAttributes(m_fontAttrs, style, size, lineSpace, letterSpace);
// Create a font with this information.
m_pDisplay->SetFont(size, (style & 2) != 0, (style & 1) != 0);
// Calculate the layout of each section.
for (i = 0; i < theText.Size(); i++)
{
MHTextLine *pLine = theText.GetAt(i);
pLine->m_nLineWidth = 0;
for (int j = 0; j < pLine->m_Items.Size(); j++)
{
MHTextItem *pItem = pLine->m_Items.GetAt(j);
// Set any tabs.
pLine->m_nLineWidth = Tabs(pLine->m_nLineWidth, pItem->m_nTabCount);
if (pItem->m_Unicode.isEmpty()) // Convert UTF-8 to Unicode.
{
int s = pItem->m_Text.Size();
pItem->m_Unicode = QString::fromUtf8((const char *)pItem->m_Text.Bytes(), s);
pItem->m_nUnicode = pItem->m_Unicode.length();
}
// Fit the text onto the line.
int nFullText = pItem->m_nUnicode;
// Get the box size and update pItem->m_nUnicode to the number that will fit.
QRect rect = m_pDisplay->GetBounds(pItem->m_Unicode, pItem->m_nUnicode, m_nBoxWidth - pLine->m_nLineWidth);
if (nFullText != pItem->m_nUnicode && m_fTextWrap) // Doesn't fit, we have to word-wrap.
{
int nTruncated = pItem->m_nUnicode; // Just in case.
// Now remove characters until we find a word-break character.
while (pItem->m_nUnicode > 0 && pItem->m_Unicode[pItem->m_nUnicode] != ' ')
{
pItem->m_nUnicode--;
}
// If there are now word-break characters we truncate the text.
if (pItem->m_nUnicode == 0)
{
pItem->m_nUnicode = nTruncated;
}
// Special case to avoid infinite loop if the box is very narrow.
if (pItem->m_nUnicode == 0)
{
pItem->m_nUnicode = 1;
}
// We need to move the text we've cut off this line into a new line.
int nNewWidth = nFullText - pItem->m_nUnicode;
int nNewStart = pItem->m_nUnicode;
// Remove any spaces at the start of the new section.
while (nNewWidth != 0 && pItem->m_Unicode[nNewStart] == ' ')
{
nNewStart++;
nNewWidth--;
}
if (nNewWidth != 0)
{
// Create a new line from the extra text.
MHTextLine *pNewLine = new MHTextLine;
theText.InsertAt(pNewLine, i + 1);
// The first item on the new line is the rest of the text.
MHTextItem *pNewItem = pItem->NewItem();
pNewLine->m_Items.Append(pNewItem);
pNewItem->m_Unicode = pItem->m_Unicode.mid(nNewStart, nNewWidth);
pNewItem->m_nUnicode = nNewWidth;
// Move any remaining items, e.g. in a different colour, from this line onto the new line.
while (pLine->m_Items.Size() > j + 1)
{
pNewLine->m_Items.Append(pLine->m_Items.GetAt(j + 1));
pLine->m_Items.RemoveAt(j + 1);
}
}
// Remove any spaces at the end of the old section. If we don't do that and
// we are centering or right aligning the text we'll get it wrong.
while (pItem->m_nUnicode > 1 && pItem->m_Unicode[pItem->m_nUnicode-1] == ' ')
{
pItem->m_nUnicode--;
}
rect = m_pDisplay->GetBounds(pItem->m_Unicode, pItem->m_nUnicode);
}
pItem->m_Width = rect.width();
pLine->m_nLineWidth += rect.width();
if (rect.height() > pLine->m_nLineHeight)
{
pLine->m_nLineHeight = rect.height();
}
if (rect.bottom() > pLine->m_nDescent)
{
pLine->m_nDescent = rect.bottom();
}
}
}
// Now output the text.
int yOffset = 0;
// If there isn't space for all the lines we should drop extra lines.
int nNumLines = theText.Size();
do
{
if (m_VertJ == End)
{
yOffset = m_nBoxHeight - nNumLines * lineSpace;
}
else if (m_VertJ == Centre)
{
yOffset = (m_nBoxHeight - nNumLines * lineSpace) / 2;
}
if (yOffset < 0)
{
nNumLines--;
}
}
while (yOffset < 0);
for (i = 0; i < nNumLines; i++)
{
MHTextLine *pLine = theText.GetAt(i);
int xOffset = 0;
if (m_HorizJ == End)
{
xOffset = m_nBoxWidth - pLine->m_nLineWidth;
}
else if (m_HorizJ == Centre)
{
xOffset = (m_nBoxWidth - pLine->m_nLineWidth) / 2;
}
for (int j = 0; j < pLine->m_Items.Size(); j++)
{
MHTextItem *pItem = pLine->m_Items.GetAt(j);
// Tab across if necessary.
xOffset = Tabs(xOffset, pItem->m_nTabCount);
if (! pItem->m_Unicode.isEmpty()) // We may have blank lines.
{
m_pDisplay->AddText(xOffset, yOffset + (pLine->m_nLineHeight + lineSpace) / 2 - pLine->m_nDescent,
pItem->m_Unicode.left(pItem->m_nUnicode), pItem->m_Colour);
}
xOffset += pItem->m_Width;
}
yOffset += lineSpace;
if (yOffset + lineSpace > m_nBoxHeight)
{
break;
}
}
// Clean up.
for (int k = 0; k < theText.Size(); k++)
{
delete(theText.GetAt(k));
}
}
bool MHEngine::LoadStorePersistent(bool fIsLoad, const MHOctetString &fileName, const MHSequence<MHObjectRef *> &variables)
{
// See if there is an entry there already.
MHPSEntry *pEntry = NULL;
int i;
for (i = 0; i < m_PersistentStore.Size(); i++)
{
pEntry = m_PersistentStore.GetAt(i);
if (pEntry->m_FileName.Equal(fileName))
{
break;
}
}
if (i == m_PersistentStore.Size()) // Not there.
{
// If we're loading then we've failed.
if (fIsLoad)
{
return false;
}
// If we're storing we make a new entry.
pEntry = new MHPSEntry;
pEntry->m_FileName.Copy(fileName);
m_PersistentStore.Append(pEntry);
}
if (fIsLoad) // Copy the data into the variables.
{
// Check that we have sufficient data before we continue?
if (pEntry->m_Data.Size() < variables.Size())
{
return false;
}
for (i = 0; i < variables.Size(); i++)
{
FindObject(*(variables.GetAt(i)))->SetVariableValue(*(pEntry->m_Data.GetAt(i)));
}
}
else // Get the data from the variables into the store.
{
// Remove any existing data.
while (pEntry->m_Data.Size() != 0)
{
pEntry->m_Data.RemoveAt(0);
}
// Set the store to the values.
for (i = 0; i < variables.Size(); i++)
{
MHUnion *pValue = new MHUnion;
pEntry->m_Data.Append(pValue);
FindObject(*(variables.GetAt(i)))->GetVariableValue(*pValue, this);
}
}
return true;
}
void MHResidentProgram::CallProgram(bool fIsFork, const MHObjectRef &success, const MHSequence<MHParameter *> &args, MHEngine *engine)
{
if (! m_fAvailable)
{
Preparation(engine);
}
// if (m_fRunning) return; // Strictly speaking there should be only one instance of a program running at a time.
Activation(engine);
MHLOG(MHLogDetail, QString("Calling program %1").arg(m_Name.Printable()));
try
{
// Run the code.
if (m_Name.Equal("GCD")) // GetCurrentDate - returns local time.
{
if (args.Size() == 2)
{
time_t epochSeconds = 0;
short int timeZone = 0;
#if HAVE_GETTIMEOFDAY
struct timeval time;
struct timezone zone;
if (gettimeofday(&time, &zone) == -1)
{
MHLOG(MHLogDetail, QString("gettimeofday() failed"));
}
epochSeconds = time.tv_sec;
timeZone = zone.tz_minuteswest;
#elif HAVE_FTIME
struct timeb timebuffer;
if (ftime(&timebuffer) == -1)
{
MHLOG(MHLogDetail, QString("ftime() failed"));
}
epochSeconds = timebuffer.time;
timeZone = timebuffer.timezone;
#else
#error Configuration error? No ftime() or gettimeofday()?
#endif
// Adjust the time to local. TODO: Check this.
epochSeconds -= timeZone * 60;
// Time as seconds since midnight.
int nTimeAsSecs = epochSeconds % (24 * 60 * 60);
// Modified Julian date as number of days since 17th November 1858.
// 1st Jan 1970 was date 40587.
int nModJulianDate = 40587 + epochSeconds / (24 * 60 * 60);
engine->FindObject(*(args.GetAt(0)->GetReference()))->SetVariableValue(nModJulianDate);
engine->FindObject(*(args.GetAt(1)->GetReference()))->SetVariableValue(nTimeAsSecs);
SetSuccessFlag(success, true, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("FDa")) // FormatDate
{
if (args.Size() == 4)
{
// This is a bit like strftime but not quite.
MHOctetString format;
GetString(args.GetAt(0), format, engine);
int date = GetInt(args.GetAt(1), engine); // As produced in GCD
int time = GetInt(args.GetAt(2), engine);
// Convert to a Unix date (secs since 1st Jan 1970) but adjusted for time zone.
time_t timet = (date - 40587) * (24 * 60 * 60) + time;
struct tm *timeStr = gmtime(&timet);
MHOctetString result;
for (int i = 0; i < format.Size(); i++)
{
unsigned char ch = format.GetAt(i);
char buffer[5]; // Largest text is 4 chars for a year + null terminator
if (ch == '%')
{
i++;
if (i == format.Size())
{
break;
}
ch = format.GetAt(i);
buffer[0] = 0;
switch (ch)
{
case 'Y':
sprintf(buffer, "%04d", timeStr->tm_year + 1900);
break;
case 'y':
sprintf(buffer, "%02d", timeStr->tm_year % 100);
break;
case 'X':
sprintf(buffer, "%02d", timeStr->tm_mon + 1);
break;
case 'x':
sprintf(buffer, "%1d", timeStr->tm_mon + 1);
break;
case 'D':
sprintf(buffer, "%02d", timeStr->tm_mday);
break;
case 'd':
sprintf(buffer, "%1d", timeStr->tm_mday);
break;
case 'H':
sprintf(buffer, "%02d", timeStr->tm_hour);
break;
case 'h':
sprintf(buffer, "%1d", timeStr->tm_hour);
break;
case 'I':
if (timeStr->tm_hour == 12 || timeStr->tm_hour == 0)
{
strcpy(buffer, "12");
}
else
{
sprintf(buffer, "%02d", timeStr->tm_hour % 12);
}
break;
case 'i':
if (timeStr->tm_hour == 12 || timeStr->tm_hour == 0)
{
strcpy(buffer, "12");
}
else
{
sprintf(buffer, "%1d", timeStr->tm_hour % 12);
}
break;
case 'M':
sprintf(buffer, "%02d", timeStr->tm_min);
break;
case 'm':
sprintf(buffer, "%1d", timeStr->tm_min);
break;
case 'S':
sprintf(buffer, "%02d", timeStr->tm_sec);
break;
case 's':
sprintf(buffer, "%1d", timeStr->tm_sec);
break;
// TODO: These really should be localised.
case 'A':
if (timeStr->tm_hour < 12)
{
strcpy(buffer, "AM");
}
else
{
strcpy(buffer, "PM");
}
break;
case 'a':
if (timeStr->tm_hour < 12)
{
strcpy(buffer, "am");
}
else
{
strcpy(buffer, "pm");
}
break;
default:
buffer[0] = ch;
buffer[1] = 0;
}
result.Append(buffer);
}
else
{
result.Append(MHOctetString(&ch, 1));
}
}
MHParameter *pResString = args.GetAt(3);
engine->FindObject(*(pResString->GetReference()))->SetVariableValue(result);
SetSuccessFlag(success, true, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("GDW")) // GetDayOfWeek - returns the day of week that the date occurred on.
{
if (args.Size() == 2)
{
int date = GetInt(args.GetAt(0), engine); // Date as produced in GCD
// Convert to a Unix date (secs since 1st Jan 1970) but adjusted for time zone.
time_t timet = (date - 40587) * (24 * 60 * 60);
struct tm *timeStr = gmtime(&timet);
// 0 => Sunday, 1 => Monday etc.
engine->FindObject(*(args.GetAt(1)->GetReference()))->SetVariableValue(timeStr->tm_wday);
SetSuccessFlag(success, true, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("Rnd")) // Random
{
if (args.Size() == 2)
{
int nLimit = GetInt(args.GetAt(0), engine);
MHParameter *pResInt = args.GetAt(1);
int r = random() % (nLimit + 1);
engine->FindObject(
*(pResInt->GetReference()))->SetVariableValue(r);
SetSuccessFlag(success, true, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("CTC")) // CastToContentRef
{
// Converts a string to a ContentRef.
if (args.Size() == 2)
{
MHOctetString string;
GetString(args.GetAt(0), string, engine);
MHContentRef result;
result.m_ContentRef.Copy(string);
engine->FindObject(*(args.GetAt(1)->GetReference()))->SetVariableValue(result);
SetSuccessFlag(success, true, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("CTO")) // CastToObjectRef
{
// Converts a string and an integer to an ObjectRef.
if (args.Size() == 3)
{
MHObjectRef result;
GetString(args.GetAt(0), result.m_GroupId, engine);
result.m_nObjectNo = GetInt(args.GetAt(1), engine);
engine->FindObject(*(args.GetAt(2)->GetReference()))->SetVariableValue(result);
SetSuccessFlag(success, true, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("GSL")) // GetStringLength
{
if (args.Size() == 2)
{
// Find a substring within a string and return an index to the position.
MHOctetString string;
GetString(args.GetAt(0), string, engine);
MHParameter *pResInt = args.GetAt(1);
SetSuccessFlag(success, true, engine);
engine->FindObject(*(pResInt->GetReference()))->SetVariableValue(string.Size());
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("GSS")) // GetSubString
{
if (args.Size() == 4) // Extract a sub-string from a string.
{
MHOctetString string;
GetString(args.GetAt(0), string, engine);
int nBeginExtract = GetInt(args.GetAt(1), engine);
int nEndExtract = GetInt(args.GetAt(2), engine);
if (nBeginExtract < 1)
{
nBeginExtract = 1;
}
if (nBeginExtract > string.Size())
{
nBeginExtract = string.Size();
}
if (nEndExtract < 1)
{
nEndExtract = 1;
}
if (nEndExtract > string.Size())
{
nEndExtract = string.Size();
}
MHParameter *pResString = args.GetAt(3);
// Returns beginExtract to endExtract inclusive.
engine->FindObject(*(pResString->GetReference()))->SetVariableValue(
MHOctetString(string, nBeginExtract - 1, nEndExtract - nBeginExtract + 1));
SetSuccessFlag(success, true, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("SSS")) // SearchSubString
{
if (args.Size() == 4)
{
// Find a substring within a string and return an index to the position.
MHOctetString string, searchString;
GetString(args.GetAt(0), string, engine);
int nStart = GetInt(args.GetAt(1), engine);
if (nStart < 1)
{
nStart = 1;
}
GetString(args.GetAt(2), searchString, engine);
// Strings are indexed from one.
int nPos;
for (nPos = nStart - 1; nPos <= string.Size() - searchString.Size(); nPos++)
{
int i;
for (i = 0; i < searchString.Size(); i++)
{
if (searchString.GetAt(i) != string.GetAt(i + nPos))
{
break;
}
}
if (i == searchString.Size())
{
break; // Found a match.
}
}
// Set the result.
MHParameter *pResInt = args.GetAt(3);
SetSuccessFlag(success, true, engine); // Set this first.
if (nPos <= string.Size() - searchString.Size()) // Found
{
// Set the index to the position of the string, counting from 1.
engine->FindObject(*(pResInt->GetReference()))->SetVariableValue(nPos + 1);
}
else // Not found. Set the result index to -1
{
engine->FindObject(*(pResInt->GetReference()))->SetVariableValue(-1);
}
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("SES")) // SearchAndExtractSubString
{
if (args.Size() == 5)
{
// Find a substring within a string and return an index to the position
// and the prefix to the substring.
MHOctetString string, searchString;
GetString(args.GetAt(0), string, engine);
int nStart = GetInt(args.GetAt(1), engine);
if (nStart < 1)
{
nStart = 1;
}
GetString(args.GetAt(2), searchString, engine);
// Strings are indexed from one.
int nPos;
for (nPos = nStart - 1; nPos <= string.Size() - searchString.Size(); nPos++)
{
int i;
for (i = 0; i < searchString.Size(); i++)
{
if (searchString.GetAt(i) != string.GetAt(i + nPos))
{
break; // Doesn't match
}
}
if (i == searchString.Size())
{
break; // Found a match.
}
}
// Set the results.
MHParameter *pResString = args.GetAt(3);
MHParameter *pResInt = args.GetAt(4);
SetSuccessFlag(success, true, engine); // Set this first.
if (nPos <= string.Size() - searchString.Size()) // Found
{
// Set the index to the position AFTER the string, counting from 1.
engine->FindObject(*(pResInt->GetReference()))->SetVariableValue(nPos + 1 + searchString.Size());
// Return the sequence from nStart-1 of length nPos-nStart+1
MHOctetString resultString(string, nStart - 1, nPos - nStart + 1);
engine->FindObject(*(pResString->GetReference()))->SetVariableValue(resultString);
}
else // Not found. Set the result string to empty and the result index to -1
{
engine->FindObject(*(pResInt->GetReference()))->SetVariableValue(-1);
engine->FindObject(*(pResString->GetReference()))->SetVariableValue(MHOctetString(""));
}
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("GSI")) // SI_GetServiceIndex
{
// Returns an index indicating the service
if (args.Size() == 2)
{
MHOctetString string;
GetString(args.GetAt(0), string, engine);
MHParameter *pResInt = args.GetAt(1);
// The format of the service is dvb://netID.[transPortID].serviceID
// where the IDs are in hex.
// or rec://svc/lcn/N where N is the "logical channel number" i.e. the Freeview channel.
QString str = QString::fromUtf8((const char *)string.Bytes(), string.Size());
int nResult = engine->GetContext()->GetChannelIndex(str);
engine->FindObject(*(pResInt->GetReference()))->SetVariableValue(nResult);
SetSuccessFlag(success, nResult >= 0, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("TIn")) // SI_TuneIndex - Fork not allowed
{
// Tunes to an index returned by GSI
if (args.Size() == 1)
{
int nChannel = GetInt(args.GetAt(0), engine);
bool res = nChannel >= 0 ? engine->GetContext()->TuneTo(
nChannel, engine->GetTuneInfo()) : false;
SetSuccessFlag(success, res, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("TII")) // SI_TuneIndexInfo
{
// Indicates whether to perform a subsequent TIn quietly or normally.
if (args.Size() == 1)
{
int tuneinfo = GetInt(args.GetAt(0), engine);
engine->SetTuneInfo(tuneinfo);
SetSuccessFlag(success, true, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("BSI")) // SI_GetBasicSI
{
// Returns basic SI information about the service indicated by an index
// returned by GSI.
// Returns networkID, origNetworkID, transportStreamID, serviceID
if (args.Size() == 5)
{
int channelId = GetInt(args.GetAt(0), engine);
int netId, origNetId, transportId, serviceId;
// Look the information up in the database.
bool res = engine->GetContext()->GetServiceInfo(channelId, netId, origNetId,
transportId, serviceId);
if (res)
{
engine->FindObject(*(args.GetAt(1)->GetReference()))->SetVariableValue(netId);
engine->FindObject(*(args.GetAt(2)->GetReference()))->SetVariableValue(origNetId);
engine->FindObject(*(args.GetAt(3)->GetReference()))->SetVariableValue(transportId);
engine->FindObject(*(args.GetAt(4)->GetReference()))->SetVariableValue(serviceId);
}
SetSuccessFlag(success, res, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("GBI")) // GetBootInfo
{
// Gets the NB_info field.
MHERROR("GetBootInfo ResidentProgram is not implemented");
}
else if (m_Name.Equal("CCR")) // CheckContentRef
{
// Sees if an item with a particular content reference is available
// in the carousel. This looks like it should block until the file
// is available. The profile recommends that this should be forked
// rather than called.
if (args.Size() == 3)
{
MHUnion un;
un.GetValueFrom(*(args.GetAt(0)), engine);
un.CheckType(MHUnion::U_ContentRef);
MHContentRef fileName;
fileName.Copy(un.m_ContentRefVal);
QString csPath = engine->GetPathName(fileName.m_ContentRef);
bool result = false;
QByteArray text;
// Try to load the object.
if (! csPath.isEmpty())
{
result = engine->GetContext()->GetCarouselData(csPath, text);
}
// Set the result variable.
MHParameter *pResFlag = args.GetAt(1);
engine->FindObject(*(pResFlag->GetReference()))->SetVariableValue(result);
MHParameter *pResCR = args.GetAt(2);
// Copy the file name to the resulting content ref.
engine->FindObject(*(pResCR->GetReference()))->SetVariableValue(fileName);
SetSuccessFlag(success, true, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("CGR")) // CheckGroupIDRef
{
// Sees if an application or scene with a particular group id
// is available in the carousel.
MHERROR("CheckGroupIDRef ResidentProgram is not implemented");
}
else if (m_Name.Equal("VTG")) // VideoToGraphics
{
// Video to graphics transformation.
MHERROR("VideoToGraphics ResidentProgram is not implemented");
}
else if (m_Name.Equal("SWA")) // SetWidescreenAlignment
{
// Sets either LetterBox or Centre-cut-out mode.
// Seems to be concerned with aligning a 4:3 scene with an underlying 16:9 video
MHERROR("SetWidescreenAlignment ResidentProgram is not implemented");
}
else if (m_Name.Equal("GDA")) // GetDisplayAspectRatio
{
// Returns the aspcet ratio. 4:3 => 1, 16:9 => 2
MHERROR("GetDisplayAspectRatio ResidentProgram is not implemented");
}
else if (m_Name.Equal("CIS")) // CI_SendMessage
{
// Sends a message to a DVB CI application
MHERROR("CI_SendMessage ResidentProgram is not implemented");
}
else if (m_Name.Equal("SSM")) // SetSubtitleMode
{
// Enable or disable subtitles in addition to MHEG.
if (args.Size() == 1) {
bool status = GetBool(args.GetAt(0), engine);
MHLOG(MHLogNotifications, QString("NOTE SetSubtitleMode %1")
.arg(status ? "enabled" : "disabled"));
// TODO Notify player
SetSuccessFlag(success, true, engine);
}
else SetSuccessFlag(success, false, engine);
}
else if (m_Name.Equal("WAI")) // WhoAmI
{
// Return a concatenation of the strings we respond to in
// GetEngineSupport(UKEngineProfile(X))
if (args.Size() == 1)
{
MHOctetString result;
result.Copy(engine->MHEGEngineProviderIdString);
result.Append(" ");
result.Append(engine->GetContext()->GetReceiverId());
result.Append(" ");
result.Append(engine->GetContext()->GetDSMCCId());
engine->FindObject(*(args.GetAt(0)->GetReference()))->SetVariableValue(result);
SetSuccessFlag(success, true, engine);
}
else
{
SetSuccessFlag(success, false, engine);
}
}
else if (m_Name.Equal("DBG")) // Debug - optional
{
QString message = "DEBUG: ";
for (int i = 0; i < args.Size(); i++)
{
MHUnion un;
un.GetValueFrom(*(args.GetAt(i)), engine);
switch (un.m_Type)
{
case MHUnion::U_Int:
message.append(QString("%1").arg(un.m_nIntVal));
break;
case MHParameter::P_Bool:
message.append(un.m_fBoolVal ? "True" : "False");
break;
case MHParameter::P_String:
message.append(QString::fromUtf8((const char *)un.m_StrVal.Bytes(), un.m_StrVal.Size()));
break;
case MHParameter::P_ObjRef:
message.append(un.m_ObjRefVal.Printable());
break;
case MHParameter::P_ContentRef:
message.append(un.m_ContentRefVal.Printable());
break;
case MHParameter::P_Null:
break;
}
}
MHLOG(MHLogNotifications, message);
}
else if (m_Name.Equal("SBI")) // SetBroadcastInterrupt
{
// Required for NativeApplicationExtension
// En/dis/able program interruptions e.g. green button
if (args.Size() == 1) {
bool status = GetBool(args.GetAt(0), engine);
MHLOG(MHLogNotifications, QString("NOTE SetBroadcastInterrupt %1")
.arg(status ? "enabled" : "disabled"));
// Nothing todo at present
SetSuccessFlag(success, true, engine);
}
else SetSuccessFlag(success, false, engine);
}
// InteractionChannelExtension
else if (m_Name.Equal("GIS")) { // GetICStatus
if (args.Size() == 1)
{
int ICstatus = engine->GetContext()->GetICStatus();
MHLOG(MHLogNotifications, "NOTE InteractionChannel " + QString(
ICstatus == 0 ? "active" : ICstatus == 1 ? "inactive" :
ICstatus == 2 ? "disabled" : "undefined"));
engine->FindObject(*(args.GetAt(0)->GetReference()))->SetVariableValue(ICstatus);
SetSuccessFlag(success, true, engine);
}
else SetSuccessFlag(success, false, engine);
}
else if (m_Name.Equal("RDa")) { // ReturnData
if (args.Size() >= 3)
{
MHOctetString string;
GetString(args.GetAt(0), string, engine);
QString url = QString::fromUtf8((const char *)string.Bytes(), string.Size());
// Variable name/value pairs
QStringList params;
int i = 1;
for (; i + 2 < args.Size(); i += 2)
{
GetString(args.GetAt(i), string, engine);
QString name = QString::fromUtf8((const char *)string.Bytes(), string.Size());
QString val;
MHUnion un;
un.GetValueFrom(*(args.GetAt(i+1)), engine);
switch (un.m_Type) {
case MHUnion::U_Int:
val = QString::number(un.m_nIntVal);
break;
case MHParameter::P_Bool:
val = un.m_fBoolVal ? "true" : "false";
break;
case MHParameter::P_String:
val = QString::fromUtf8((const char*)un.m_StrVal.Bytes(), un.m_StrVal.Size());
break;
case MHParameter::P_ObjRef:
val = un.m_ObjRefVal.Printable();
break;
case MHParameter::P_ContentRef:
val = un.m_ContentRefVal.Printable();
break;
case MHParameter::P_Null:
val = "<NULL>";
break;
default:
val = QString("<type %1>").arg(un.m_Type);
break;
}
params += name + "=" + val;
}
// TODO
MHLOG(MHLogNotifications, "NOTE ReturnData '" + url + "' { " + params.join(" ") + " }");
// HTTP response code, 0= none
engine->FindObject(*(args.GetAt(i)->GetReference()))->SetVariableValue(0);
// HTTP response data
string = "";
engine->FindObject(*(args.GetAt(i+1)->GetReference()))->SetVariableValue(string);
SetSuccessFlag(success, false, engine);
}
else SetSuccessFlag(success, false, engine);
}
else if (m_Name.Equal("SHF")) { // SetHybridFileSystem
if (args.Size() == 2)
{
MHOctetString string;
GetString(args.GetAt(0), string, engine);
QString str = QString::fromUtf8((const char *)string.Bytes(), string.Size());
GetString(args.GetAt(1), string, engine);
QString str2 = QString::fromUtf8((const char *)string.Bytes(), string.Size());
// TODO
MHLOG(MHLogNotifications, QString("NOTE SetHybridFileSystem %1=%2")
.arg(str).arg(str2));
SetSuccessFlag(success, false, engine);
}
else SetSuccessFlag(success, false, engine);
}
else
{
MHERROR(QString("Unknown ResidentProgram %1").arg(m_Name.Printable()));
}
}
catch (char const *)
{
// If something went wrong set the succeeded flag to false
SetSuccessFlag(success, false, engine);
// And continue on. In particular we need to deactivate.
}
Deactivation(engine);
// At the moment we always treat Fork as Call. If we do get a Fork we should signal that we're done.
if (fIsFork)
{
engine->EventTriggered(this, EventAsyncStopped);
}
}
