static void create (MemoryBlock& block, const StringPairArray& values)
{
auto numNotes = values.getValue ("NumCueNotes", "0").getIntValue();
if (numNotes > 0)
{
MemoryOutputStream out (block, false);
out.writeShortBigEndian ((short) numNotes);
for (int i = 0; i < numNotes; ++i)
{
auto prefix = "CueNote" + String (i);
out.writeIntBigEndian (values.getValue (prefix + "TimeStamp", "0").getIntValue());
out.writeShortBigEndian ((short) values.getValue (prefix + "Identifier", "0").getIntValue());
auto comment = values.getValue (prefix + "Text", String());
auto commentLength = jmin (comment.getNumBytesAsUTF8(), (size_t) 65534);
out.writeShortBigEndian ((short) commentLength + 1);
out.write (comment.toUTF8(), commentLength);
out.writeByte (0);
if ((out.getDataSize() & 1) != 0)
out.writeByte (0);
}
}
}
void runTest() override
{
beginTest ("Basics");
Random r = getRandom();
int randomInt = r.nextInt();
int64 randomInt64 = r.nextInt64();
double randomDouble = r.nextDouble();
String randomString (createRandomWideCharString (r));
MemoryOutputStream mo;
mo.writeInt (randomInt);
mo.writeIntBigEndian (randomInt);
mo.writeCompressedInt (randomInt);
mo.writeString (randomString);
mo.writeInt64 (randomInt64);
mo.writeInt64BigEndian (randomInt64);
mo.writeDouble (randomDouble);
mo.writeDoubleBigEndian (randomDouble);
MemoryInputStream mi (mo.getData(), mo.getDataSize(), false);
expect (mi.readInt() == randomInt);
expect (mi.readIntBigEndian() == randomInt);
expect (mi.readCompressedInt() == randomInt);
expectEquals (mi.readString(), randomString);
expect (mi.readInt64() == randomInt64);
expect (mi.readInt64BigEndian() == randomInt64);
expect (mi.readDouble() == randomDouble);
expect (mi.readDoubleBigEndian() == randomDouble);
}
void ValueTreeSynchroniser::sendFullSyncCallback()
{
MemoryOutputStream m;
writeHeader (m, ValueTreeSynchroniserHelpers::fullSync);
valueTree.writeToStream (m);
stateChanged (m.getData(), m.getDataSize());
}
void ValueTreeSynchroniser::valueTreeChildRemoved (ValueTree& parentTree, ValueTree&, int oldIndex)
{
MemoryOutputStream m;
ValueTreeSynchroniserHelpers::writeHeader (*this, m, ValueTreeSynchroniserHelpers::childRemoved, parentTree);
m.writeCompressedInt (oldIndex);
stateChanged (m.getData(), m.getDataSize());
}
Drawable* Drawable::createFromImageDataStream (InputStream& dataSource)
{
MemoryOutputStream mo;
mo.writeFromInputStream (dataSource, -1);
return createFromImageData (mo.getData(), mo.getDataSize());
}
static void findTempoEvents (MidiFile& midiFile, StringPairArray& midiMetadata)
{
MidiMessageSequence tempoEvents;
midiFile.findAllTempoEvents (tempoEvents);
const int numTempoEvents = tempoEvents.getNumEvents();
MemoryOutputStream tempoSequence;
for (int i = 0; i < numTempoEvents; ++i)
{
const double tempo = getTempoFromTempoMetaEvent (tempoEvents.getEventPointer (i));
if (tempo > 0.0)
{
if (i == 0)
midiMetadata.set (CoreAudioFormat::tempo, String (tempo));
if (numTempoEvents > 1)
tempoSequence << String (tempo) << ',' << tempoEvents.getEventTime (i) << ';';
}
}
if (tempoSequence.getDataSize() > 0)
midiMetadata.set ("tempo sequence", tempoSequence.toUTF8());
}
void Robot::timerCallback() {
MemoryOutputStream * out = messageBuffer.getReader();
if (out != nullptr) {
send(out->getData(), out->getDataSize());
messageBuffer.readDone();
}
}
static void findTimeSigEvents (MidiFile& midiFile, StringPairArray& midiMetadata)
{
MidiMessageSequence timeSigEvents;
midiFile.findAllTimeSigEvents (timeSigEvents);
const int numTimeSigEvents = timeSigEvents.getNumEvents();
MemoryOutputStream timeSigSequence;
for (int i = 0; i < numTimeSigEvents; ++i)
{
int numerator, denominator;
timeSigEvents.getEventPointer(i)->message.getTimeSignatureInfo (numerator, denominator);
String timeSigString;
timeSigString << numerator << '/' << denominator;
if (i == 0)
midiMetadata.set (CoreAudioFormat::timeSig, timeSigString);
if (numTimeSigEvents > 1)
timeSigSequence << timeSigString << ',' << timeSigEvents.getEventTime (i) << ';';
}
if (timeSigSequence.getDataSize() > 0)
midiMetadata.set ("time signature sequence", timeSigSequence.toUTF8());
}
void create (MemoryBlock& block, const StringPairArray& values)
{
const int numNotes = values.getValue ("NumCueNotes", "0").getIntValue();
if (numNotes > 0)
{
MemoryOutputStream out (block, false);
out.writeShortBigEndian ((short) numNotes);
for (int i = 0; i < numNotes; ++i)
{
const String prefix ("CueNote" + String (i));
out.writeIntBigEndian (values.getValue (prefix + "TimeStamp", "0").getIntValue());
out.writeShortBigEndian ((short) values.getValue (prefix + "Identifier", "0").getIntValue());
const String comment (values.getValue (prefix + "Text", String::empty));
out.write (comment.toUTF8(), jmin (comment.getNumBytesAsUTF8(), 65534));
out.writeByte (0);
if ((out.getDataSize() & 1) != 0)
out.writeByte (0);
}
}
}
void HelmPlugin::getStateInformation(MemoryBlock& dest_data) {
var state = LoadSave::stateToVar(&synth_, gui_state_, getCallbackLock());
String data_string = JSON::toString(state);
MemoryOutputStream stream;
stream.writeString(data_string);
dest_data.append(stream.getData(), stream.getDataSize());
}
static void findKeySigEvents (MidiFile& midiFile, StringPairArray& midiMetadata)
{
MidiMessageSequence keySigEvents;
midiFile.findAllKeySigEvents (keySigEvents);
const int numKeySigEvents = keySigEvents.getNumEvents();
MemoryOutputStream keySigSequence;
for (int i = 0; i < numKeySigEvents; ++i)
{
const MidiMessage& message (keySigEvents.getEventPointer (i)->message);
const int key = jlimit (0, 14, message.getKeySignatureNumberOfSharpsOrFlats() + 7);
const bool isMajor = message.isKeySignatureMajorKey();
static const char* majorKeys[] = { "Cb", "Gb", "Db", "Ab", "Eb", "Bb", "F", "C", "G", "D", "A", "E", "B", "F#", "C#" };
static const char* minorKeys[] = { "Ab", "Eb", "Bb", "F", "C", "G", "D", "A", "E", "B", "F#", "C#", "G#", "D#", "A#" };
String keySigString (isMajor ? majorKeys[key]
: minorKeys[key]);
if (! isMajor)
keySigString << 'm';
if (i == 0)
midiMetadata.set (CoreAudioFormat::keySig, keySigString);
if (numKeySigEvents > 1)
keySigSequence << keySigString << ',' << keySigEvents.getEventTime (i) << ';';
}
if (keySigSequence.getDataSize() > 0)
midiMetadata.set ("key signature sequence", keySigSequence.toUTF8());
}
OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream, const MemoryOutputStream& streamToRead)
{
const size_t dataSize = streamToRead.getDataSize();
if (dataSize > 0)
stream.write (streamToRead.getData(), dataSize);
return stream;
}
void create (MemoryBlock& block, const StringPairArray& values)
{
const int numCues = values.getValue ("NumCuePoints", "0").getIntValue();
if (numCues > 0)
{
MemoryOutputStream out (block, false);
out.writeShortBigEndian ((short) numCues);
const int numCueLabels = values.getValue ("NumCueLabels", "0").getIntValue();
const int idOffset = metaDataContainsZeroIdentifiers (values) ? 1 : 0; // can't have zero IDs in AIFF
#if JUCE_DEBUG
Array<int> identifiers;
#endif
for (int i = 0; i < numCues; ++i)
{
const String prefixCue ("Cue" + String (i));
const int identifier = idOffset + values.getValue (prefixCue + "Identifier", "1").getIntValue();
#if JUCE_DEBUG
jassert (! identifiers.contains (identifier));
identifiers.add (identifier);
#endif
const int offset = values.getValue (prefixCue + "Offset", "0").getIntValue();
String label ("CueLabel" + String (i));
for (int labelIndex = 0; labelIndex < numCueLabels; ++labelIndex)
{
const String prefixLabel ("CueLabel" + String (labelIndex));
const int labelIdentifier = idOffset + values.getValue (prefixLabel + "Identifier", "1").getIntValue();
if (labelIdentifier == identifier)
{
label = values.getValue (prefixLabel + "Text", label);
break;
}
}
out.writeShortBigEndian ((short) identifier);
out.writeIntBigEndian (offset);
const int labelLength = jmin (254, label.getNumBytesAsUTF8()); // seems to need null terminator even though it's a pstring
out.writeByte ((char) labelLength + 1);
out.write (label.toUTF8(), labelLength);
out.writeByte (0);
}
if ((out.getDataSize() & 1) != 0)
out.writeByte (0);
}
}
void URL::createHeadersAndPostData (String& headers, MemoryBlock& postDataToWrite) const
{
MemoryOutputStream data (postDataToWrite, false);
if (filesToUpload.size() > 0)
{
// (this doesn't currently support mixing custom post-data with uploads..)
jassert (postData.getSize() == 0);
auto boundary = String::toHexString (Random::getSystemRandom().nextInt64());
headers << "Content-Type: multipart/form-data; boundary=" << boundary << "\r\n";
data << "--" << boundary;
for (int i = 0; i < parameterNames.size(); ++i)
{
data << "\r\nContent-Disposition: form-data; name=\"" << parameterNames[i]
<< "\"\r\n\r\n" << parameterValues[i]
<< "\r\n--" << boundary;
}
for (auto* f : filesToUpload)
{
data << "\r\nContent-Disposition: form-data; name=\"" << f->parameterName
<< "\"; filename=\"" << f->filename << "\"\r\n";
if (f->mimeType.isNotEmpty())
data << "Content-Type: " << f->mimeType << "\r\n";
data << "Content-Transfer-Encoding: binary\r\n\r\n";
if (f->data != nullptr)
data << *f->data;
else
data << f->file;
data << "\r\n--" << boundary;
}
data << "--\r\n";
}
else
{
data << URLHelpers::getMangledParameters (*this)
<< postData;
// if the user-supplied headers didn't contain a content-type, add one now..
if (! headers.containsIgnoreCase ("Content-Type"))
headers << "Content-Type: application/x-www-form-urlencoded\r\n";
headers << "Content-length: " << (int) data.getDataSize() << "\r\n";
}
}
void ValueTreeSynchroniser::valueTreeChildAdded (ValueTree& parentTree, ValueTree& childTree)
{
const int index = parentTree.indexOf (childTree);
jassert (index >= 0);
MemoryOutputStream m;
ValueTreeSynchroniserHelpers::writeHeader (*this, m, ValueTreeSynchroniserHelpers::childAdded, parentTree);
m.writeCompressedInt (index);
childTree.writeToStream (m);
stateChanged (m.getData(), m.getDataSize());
}
void jojo_write (t_jojo *x, const File& aFile)
{
MemoryOutputStream myText;
GZIPCompressorOutputStream zipper (&myText);
zipper << "Stately, plump Buck Mulligan came from the stairhead, " << newLine
<< "bearing a bowl of lather on which a mirror and a razor lay crossed." << newLine;
zipper.flush();
aFile.replaceWithData (myText.getData(), myText.getDataSize());
}
void writeToStream (const ValueUnion& data, OutputStream& output) const
{
MemoryOutputStream buffer (512);
const int numItems = data.arrayValue->size();
buffer.writeCompressedInt (numItems);
for (int i = 0; i < numItems; ++i)
data.arrayValue->getReference(i).writeToStream (buffer);
output.writeCompressedInt (1 + (int) buffer.getDataSize());
output.writeByte (varMarker_Array);
output << buffer;
}
void writeToStream (const ValueUnion& data, OutputStream& output) const override
{
if (auto* array = toArray (data))
{
MemoryOutputStream buffer (512);
buffer.writeCompressedInt (array->size());
for (auto& i : *array)
i.writeToStream (buffer);
output.writeCompressedInt (1 + (int) buffer.getDataSize());
output.writeByte (varMarker_Array);
output << buffer;
}
}
void writeToStream (const ValueUnion& data, OutputStream& output) const override
{
if (const Array<var>* array = toArray (data))
{
MemoryOutputStream buffer (512);
const int numItems = array->size();
buffer.writeCompressedInt (numItems);
for (int i = 0; i < numItems; ++i)
array->getReference(i).writeToStream (buffer);
output.writeCompressedInt (1 + (int) buffer.getDataSize());
output.writeByte (varMarker_Array);
output << buffer;
}
}
END_TEST
BEGIN_TEST(SystemNet_WebClient_CanDownloadStream)
{
WebClient client;
try
{
MemoryOutputStream stream;
client.downloadStream("http://www.google.com", stream);
WIN_ASSERT_TRUE(stream.getDataSize() >= 0);
}
catch(Exception & ex)
{
String msg = ex.getFullMessage();
WIN_ASSERT_FAIL(msg.toUTF16());
}
}
void ValueTreeSynchroniser::valueTreePropertyChanged (ValueTree& vt, const Identifier& property)
{
MemoryOutputStream m;
if (auto* value = vt.getPropertyPointer (property))
{
ValueTreeSynchroniserHelpers::writeHeader (*this, m, ValueTreeSynchroniserHelpers::propertyChanged, vt);
m.writeString (property.toString());
value->writeToStream (m);
}
else
{
ValueTreeSynchroniserHelpers::writeHeader (*this, m, ValueTreeSynchroniserHelpers::propertyRemoved, vt);
m.writeString (property.toString());
}
stateChanged (m.getData(), m.getDataSize());
}
XmlElement* XmlDocument::getDocumentElement (const bool onlyReadOuterDocumentElement)
{
if (originalText.isEmpty() && inputSource != nullptr)
{
ScopedPointer<InputStream> in (inputSource->createInputStream());
if (in != nullptr)
{
MemoryOutputStream data;
data.writeFromInputStream (*in, onlyReadOuterDocumentElement ? 8192 : -1);
#if JUCE_STRING_UTF_TYPE == 8
if (data.getDataSize() > 2)
{
data.writeByte (0);
const char* text = static_cast<const char*> (data.getData());
if (CharPointer_UTF16::isByteOrderMarkBigEndian (text)
|| CharPointer_UTF16::isByteOrderMarkLittleEndian (text))
{
originalText = data.toString();
}
else
{
if (CharPointer_UTF8::isByteOrderMark (text))
text += 3;
// parse the input buffer directly to avoid copying it all to a string..
return parseDocumentElement (String::CharPointerType (text), onlyReadOuterDocumentElement);
}
}
#else
originalText = data.toString();
#endif
}
}
return parseDocumentElement (originalText.getCharPointer(), onlyReadOuterDocumentElement);
}
Image JPEGImageFormat::decodeImage (InputStream& in)
{
#if (JUCE_MAC || JUCE_IOS) && USE_COREGRAPHICS_RENDERING && JUCE_USE_COREIMAGE_LOADER
return juce_loadWithCoreImage (in);
#else
using namespace jpeglibNamespace;
using namespace JPEGHelpers;
MemoryOutputStream mb;
mb << in;
Image image;
if (mb.getDataSize() > 16)
{
struct jpeg_decompress_struct jpegDecompStruct;
struct jpeg_error_mgr jerr;
setupSilentErrorHandler (jerr);
jpegDecompStruct.err = &jerr;
jpeg_create_decompress (&jpegDecompStruct);
jpegDecompStruct.src = (jpeg_source_mgr*)(jpegDecompStruct.mem->alloc_small)
((j_common_ptr)(&jpegDecompStruct), JPOOL_PERMANENT, sizeof (jpeg_source_mgr));
jpegDecompStruct.src->init_source = dummyCallback1;
jpegDecompStruct.src->fill_input_buffer = jpegFill;
jpegDecompStruct.src->skip_input_data = jpegSkip;
jpegDecompStruct.src->resync_to_restart = jpeg_resync_to_restart;
jpegDecompStruct.src->term_source = dummyCallback1;
jpegDecompStruct.src->next_input_byte = static_cast <const unsigned char*> (mb.getData());
jpegDecompStruct.src->bytes_in_buffer = mb.getDataSize();
try
{
jpeg_read_header (&jpegDecompStruct, TRUE);
jpeg_calc_output_dimensions (&jpegDecompStruct);
const int width = (int) jpegDecompStruct.output_width;
const int height = (int) jpegDecompStruct.output_height;
jpegDecompStruct.out_color_space = JCS_RGB;
JSAMPARRAY buffer
= (*jpegDecompStruct.mem->alloc_sarray) ((j_common_ptr) &jpegDecompStruct,
JPOOL_IMAGE,
(JDIMENSION) width * 3, 1);
if (jpeg_start_decompress (&jpegDecompStruct))
{
image = Image (Image::RGB, width, height, false);
image.getProperties()->set ("originalImageHadAlpha", false);
const bool hasAlphaChan = image.hasAlphaChannel(); // (the native image creator may not give back what we expect)
const Image::BitmapData destData (image, Image::BitmapData::writeOnly);
for (int y = 0; y < height; ++y)
{
jpeg_read_scanlines (&jpegDecompStruct, buffer, 1);
const uint8* src = *buffer;
uint8* dest = destData.getLinePointer (y);
if (hasAlphaChan)
{
for (int i = width; --i >= 0;)
{
((PixelARGB*) dest)->setARGB (0xff, src[0], src[1], src[2]);
((PixelARGB*) dest)->premultiply();
dest += destData.pixelStride;
src += 3;
}
}
else
{
for (int i = width; --i >= 0;)
{
((PixelRGB*) dest)->setARGB (0xff, src[0], src[1], src[2]);
dest += destData.pixelStride;
src += 3;
}
}
}
jpeg_finish_decompress (&jpegDecompStruct);
in.setPosition (((char*) jpegDecompStruct.src->next_input_byte) - (char*) mb.getData());
}
jpeg_destroy_decompress (&jpegDecompStruct);
}
catch (...)
{}
}
return image;
#endif
}
String Path::toString() const
{
MemoryOutputStream s (2048);
if (! useNonZeroWinding)
s << 'a';
size_t i = 0;
float lastMarker = 0.0f;
while (i < numElements)
{
const float marker = data.elements [i++];
char markerChar = 0;
int numCoords = 0;
if (marker == moveMarker)
{
markerChar = 'm';
numCoords = 2;
}
else if (marker == lineMarker)
{
markerChar = 'l';
numCoords = 2;
}
else if (marker == quadMarker)
{
markerChar = 'q';
numCoords = 4;
}
else if (marker == cubicMarker)
{
markerChar = 'c';
numCoords = 6;
}
else
{
jassert (marker == closeSubPathMarker);
markerChar = 'z';
}
if (marker != lastMarker)
{
if (s.getDataSize() != 0)
s << ' ';
s << markerChar;
lastMarker = marker;
}
while (--numCoords >= 0 && i < numElements)
{
String coord (data.elements [i++], 3);
while (coord.endsWithChar ('0') && coord != "0")
coord = coord.dropLastCharacters (1);
if (coord.endsWithChar ('.'))
coord = coord.dropLastCharacters (1);
if (s.getDataSize() != 0)
s << ' ';
s << coord;
}
}
return s.toUTF8();
}
void BinaryResources::loadFromCpp (const File& cppFileLocation, const String& cppFile)
{
StringArray cpp;
cpp.addLines (cppFile);
clear();
for (int i = 0; i < cpp.size(); ++i)
{
if (cpp[i].contains ("JUCER_RESOURCE:"))
{
StringArray tokens;
tokens.addTokens (cpp[i].fromFirstOccurrenceOf (":", false, false), ",", "\"'");
tokens.trim();
tokens.removeEmptyStrings();
const String resourceName (tokens[0]);
const int resourceSize = tokens[1].getIntValue();
const String originalFileName (cppFileLocation.getSiblingFile (tokens[2].unquoted()).getFullPathName());
jassert (resourceName.isNotEmpty() && resourceSize > 0);
if (resourceName.isNotEmpty() && resourceSize > 0)
{
const int firstLine = i;
while (i < cpp.size())
if (cpp [i++].contains ("}"))
break;
const String dataString (cpp.joinIntoString (" ", firstLine, i - firstLine)
.fromFirstOccurrenceOf ("{", false, false));
MemoryOutputStream out;
String::CharPointerType t (dataString.getCharPointer());
int n = 0;
while (! t.isEmpty())
{
const juce_wchar c = t.getAndAdvance();
if (c >= '0' && c <= '9')
n = n * 10 + (c - '0');
else if (c == ',')
{
out.writeByte ((char) n);
n = 0;
}
else if (c == '}')
break;
}
jassert (resourceSize < (int) out.getDataSize() && resourceSize > (int) out.getDataSize() - 2);
MemoryBlock mb (out.getData(), out.getDataSize());
mb.setSize ((size_t) resourceSize);
add (resourceName, originalFileName, mb);
}
}
}
}
int read (void* buffer, int bytesToRead) override
{
if (finished || isError())
return 0;
if (isChunked && ! readingChunk)
{
if (position >= chunkEnd)
{
const ScopedValueSetter<bool> setter (readingChunk, true, false);
MemoryOutputStream chunkLengthBuffer;
char c = 0;
if (chunkEnd > 0)
{
if (read (&c, 1) != 1 || c != '\r'
|| read (&c, 1) != 1 || c != '\n')
{
finished = true;
return 0;
}
}
while (chunkLengthBuffer.getDataSize() < 512 && ! (finished || isError()))
{
if (read (&c, 1) != 1)
{
finished = true;
return 0;
}
if (c == '\r')
continue;
if (c == '\n')
break;
chunkLengthBuffer.writeByte (c);
}
const int64 chunkSize = chunkLengthBuffer.toString().trimStart().getHexValue64();
if (chunkSize == 0)
{
finished = true;
return 0;
}
chunkEnd += chunkSize;
}
if (bytesToRead > chunkEnd - position)
bytesToRead = static_cast<int> (chunkEnd - position);
}
fd_set readbits;
FD_ZERO (&readbits);
FD_SET (socketHandle, &readbits);
struct timeval tv;
tv.tv_sec = jmax (1, timeOutMs / 1000);
tv.tv_usec = 0;
if (select (socketHandle + 1, &readbits, 0, 0, &tv) <= 0)
return 0; // (timeout)
const int bytesRead = jmax (0, (int) recv (socketHandle, buffer, (size_t) bytesToRead, MSG_WAITALL));
if (bytesRead == 0)
finished = true;
if (! readingChunk)
position += bytesRead;
return bytesRead;
}
bool overwriteFileWithNewDataIfDifferent (const File& file, const MemoryOutputStream& newData)
{
return overwriteFileWithNewDataIfDifferent (file, newData.getData(), newData.getDataSize());
}
OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream, const MemoryOutputStream& streamToRead)
{
stream.write (streamToRead.getData(), streamToRead.getDataSize());
return stream;
}
