29 struct DanglingStreamChecker
31 DanglingStreamChecker() =
default;
33 ~DanglingStreamChecker()
41 jassert (activeStreams.size() == 0);
45 hasBeenDestroyed =
true;
48 Array<void*, CriticalSection> activeStreams;
50 static bool hasBeenDestroyed;
53 bool DanglingStreamChecker::hasBeenDestroyed =
false;
54 static DanglingStreamChecker danglingStreamChecker;
59 OutputStream::OutputStream()
60 : newLineString (NewLine::getDefault())
63 if (! DanglingStreamChecker::hasBeenDestroyed)
64 danglingStreamChecker.activeStreams.add (
this);
68 OutputStream::~OutputStream()
71 if (! DanglingStreamChecker::hasBeenDestroyed)
72 danglingStreamChecker.activeStreams.removeFirstMatchingValue (
this);
77 bool OutputStream::writeBool (
bool b)
79 return writeByte (b ? (
char) 1
83 bool OutputStream::writeByte (
char byte)
85 return write (&
byte, 1);
88 bool OutputStream::writeRepeatedByte (uint8
byte,
size_t numTimesToRepeat)
90 for (
size_t i = 0; i < numTimesToRepeat; ++i)
91 if (! writeByte ((
char)
byte))
97 bool OutputStream::writeShort (
short value)
99 auto v = ByteOrder::swapIfBigEndian ((uint16) value);
100 return write (&v, 2);
103 bool OutputStream::writeShortBigEndian (
short value)
105 auto v = ByteOrder::swapIfLittleEndian ((uint16) value);
106 return write (&v, 2);
109 bool OutputStream::writeInt (
int value)
111 auto v = ByteOrder::swapIfBigEndian ((uint32) value);
112 return write (&v, 4);
115 bool OutputStream::writeIntBigEndian (
int value)
117 auto v = ByteOrder::swapIfLittleEndian ((uint32) value);
118 return write (&v, 4);
121 bool OutputStream::writeCompressedInt (
int value)
123 auto un = (value < 0) ? (
unsigned int) -value
124 : (
unsigned int) value;
131 data[++num] = (uint8) un;
135 data[0] = (uint8) num;
140 return write (data, (
size_t) num + 1);
143 bool OutputStream::writeInt64 (int64 value)
145 auto v = ByteOrder::swapIfBigEndian ((uint64) value);
146 return write (&v, 8);
149 bool OutputStream::writeInt64BigEndian (int64 value)
151 auto v = ByteOrder::swapIfLittleEndian ((uint64) value);
152 return write (&v, 8);
155 bool OutputStream::writeFloat (
float value)
157 union {
int asInt;
float asFloat; } n;
159 return writeInt (n.asInt);
162 bool OutputStream::writeFloatBigEndian (
float value)
164 union {
int asInt;
float asFloat; } n;
166 return writeIntBigEndian (n.asInt);
169 bool OutputStream::writeDouble (
double value)
171 union { int64 asInt;
double asDouble; } n;
173 return writeInt64 (n.asInt);
176 bool OutputStream::writeDoubleBigEndian (
double value)
178 union { int64 asInt;
double asDouble; } n;
180 return writeInt64BigEndian (n.asInt);
183 bool OutputStream::writeString (
const String& text)
187 #if (JUCE_STRING_UTF_TYPE == 8)
188 return write (text.
toRawUTF8(), numBytes);
194 return write (temp, numBytes);
198 bool OutputStream::writeText (
const String& text,
bool asUTF16,
bool writeUTF16ByteOrderMark,
const char* lf)
200 bool replaceLineFeedWithUnix = lf !=
nullptr && lf[0] ==
'\n' && lf[1] == 0;
201 bool replaceLineFeedWithWindows = lf !=
nullptr && lf[0] ==
'\r' && lf[1] ==
'\n' && lf[2] == 0;
204 jassert (lf ==
nullptr || replaceLineFeedWithWindows || replaceLineFeedWithUnix);
208 if (writeUTF16ByteOrderMark)
209 write (
"\x0ff\x0fe", 2);
212 bool lastCharWasReturn =
false;
216 auto c = src.getAndAdvance();
221 if (replaceLineFeedWithWindows)
223 if (c ==
'\n' && ! lastCharWasReturn)
224 writeShort ((
short)
'\r');
226 lastCharWasReturn = (c == L
'\r');
228 else if (replaceLineFeedWithUnix && c ==
'\r')
233 if (! writeShort ((
short) c))
241 if (replaceLineFeedWithWindows)
248 if (! write (src, (
size_t) (t - src)))
251 if (! write (
"\r\n", 2))
264 if (! write (src, (
size_t) (t - src)))
273 else if (replaceLineFeedWithUnix)
296 int64 OutputStream::writeFromInputStream (
InputStream& source, int64 numBytesToWrite)
298 if (numBytesToWrite < 0)
299 numBytesToWrite = std::numeric_limits<int64>::max();
301 int64 numWritten = 0;
303 while (numBytesToWrite > 0)
306 auto num = source.
read (buffer, (
int) jmin (numBytesToWrite, (int64)
sizeof (buffer)));
311 write (buffer, (
size_t) num);
313 numBytesToWrite -= num;
321 void OutputStream::setNewLineString (
const String& newLineStringToUse)
323 newLineString = newLineStringToUse;
327 template <
typename IntegerType>
328 static void writeIntToStream (
OutputStream& stream, IntegerType number)
330 char buffer[NumberToStringConverters::charsNeededForInt];
331 char* end = buffer + numElementsInArray (buffer);
332 const char* start = NumberToStringConverters::numberToString (end, number);
333 stream.
write (start, (
size_t) (end - start - 1));
336 JUCE_API OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream,
const int number)
338 writeIntToStream (stream, number);
342 JUCE_API OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream,
const int64 number)
344 writeIntToStream (stream, number);
348 JUCE_API OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream,
const double number)
350 return stream << String (number);
353 JUCE_API OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream,
const char character)
355 stream.writeByte (character);
359 JUCE_API OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream,
const char*
const text)
361 stream.write (text, strlen (text));
365 JUCE_API OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream,
const MemoryBlock& data)
367 if (data.getSize() > 0)
368 stream.write (data.getData(), data.getSize());
373 JUCE_API OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream,
const File& fileToRead)
375 FileInputStream in (fileToRead);
383 JUCE_API OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream, InputStream& streamToRead)
385 stream.writeFromInputStream (streamToRead, -1);
389 JUCE_API OutputStream& JUCE_CALLTYPE operator<< (OutputStream& stream,
const NewLine&)
391 return stream << stream.getNewLineString();
virtual bool write(const void *dataToWrite, size_t numberOfBytes)=0
CharPointerType getCharPointer() const noexcept
const char * toRawUTF8() const
size_t getNumBytesAsUTF8() const noexcept
size_t copyToUTF8(CharPointer_UTF8::CharType *destBuffer, size_t maxBufferSizeBytes) const noexcept