Base Module: FStreamer Class Reference
Author: Steinberg

Base Module VST 3.7 SDK for developing VST plug-in

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FStreamer Class Referenceabstract

Byteorder-aware base class for typed stream i/o. More...

`#include <fstreamer.h>`

Inheritance diagram for FStreamer:

## Public Member Functions
| FStreamer (int16 byteOrder=BYTEORDER)
virtual | ~FStreamer ()
bool | skip (uint32 bytes)
bool | pad (uint32 bytes)
Implementing class must override.
virtual TSize | readRaw (void *, TSize)=0
| Read one buffer of size.
virtual TSize | writeRaw (const void *, TSize)=0
| Write one buffer of size.
virtual int64 | seek (int64, FSeekMode)=0
| Set file position for stream.
virtual int64 | tell ()=0
| Return current file position.
Streams are byteOrder aware.
void | setByteOrder (int32 e)
int32 | getByteOrder () const
read and write int8 and char.
bool | writeChar8 (char8)
bool | readChar8 (char8 &)
bool | writeUChar8 (unsigned char)
bool | readUChar8 (unsigned char &)
bool | writeChar16 (char16 c)
bool | readChar16 (char16 &c)
bool | writeInt8 (int8 c)
bool | readInt8 (int8 &c)
bool | writeInt8u (uint8 c)
bool | readInt8u (uint8 &c)
read and write int16.
bool | writeInt16 (int16)
bool | readInt16 (int16 &)
bool | writeInt16Array (const int16 *array, int32 count)
bool | readInt16Array (int16 *array, int32 count)
bool | writeInt16u (uint16)
bool | readInt16u (uint16 &)
bool | writeInt16uArray (const uint16 *array, int32 count)
bool | readInt16uArray (uint16 *array, int32 count)
read and write int32.
bool | writeInt32 (int32)
bool | readInt32 (int32 &)
bool | writeInt32Array (const int32 *array, int32 count)
bool | readInt32Array (int32 *array, int32 count)
bool | writeInt32u (uint32)
bool | readInt32u (uint32 &)
bool | writeInt32uArray (const uint32 *array, int32 count)
bool | readInt32uArray (uint32 *array, int32 count)
read and write int64.
bool | writeInt64 (int64)
bool | readInt64 (int64 &)
bool | writeInt64Array (const int64 *array, int32 count)
bool | readInt64Array (int64 *array, int32 count)
bool | writeInt64u (uint64)
bool | readInt64u (uint64 &)
bool | writeInt64uArray (const uint64 *array, int32 count)
bool | readInt64uArray (uint64 *array, int32 count)
read and write float and float array.
bool | writeFloat (float)
bool | readFloat (float &)
bool | writeFloatArray (const float *array, int32 count)
bool | readFloatArray (float *array, int32 count)
read and write double and double array.
bool | writeDouble (double)
bool | readDouble (double &)
bool | writeDoubleArray (const double *array, int32 count)
bool | readDoubleArray (double *array, int32 count)
read and write Boolean.
bool | writeBool (bool)
| Write one boolean.
bool | readBool (bool &)
| Read one bool.

## Protected Attributes
int16 | byteOrder

## read and write Strings.
TSize | writeString8 (const char8 *ptr, bool terminate=false)
| a direct output function writing only one string (ascii 8bit)
TSize | readString8 (char8 *ptr, TSize size)
| a direct input function reading only one string (ascii) (ended by a or \0 or eof)
bool | writeStr8 (const char8 *ptr)
| write a string length (strlen) and string itself
char8 * | readStr8 ()
| read a string length and string text (The return string must be deleted when use is finished)
bool | writeStringUtf8 (const char *ptr)
| always terminated, converts to utf8 if non ascii characters are in string
int32 | readStringUtf8 (char *ptr, int32 maxSize)
| read a UTF8 string
static int32 | getStr8Size (const char8 *ptr)
| returns the size of a saved string

## Detailed Description

Byteorder-aware base class for typed stream i/o.

## Constructor & Destructor Documentation

FStreamer | ( | int16 | byteOrder = `BYTEORDER` | ) |

virtual ~FStreamer | ( |  | ) |
| inlinevirtual

## Member Function Documentation

virtual TSize readRaw | ( | void * | ,
|  | TSize |
| ) |  |
| pure virtual

Read one buffer of size.

Implemented in IBStreamer.

virtual TSize writeRaw | ( | const void * | ,
|  | TSize |
| ) |  |
| pure virtual

Write one buffer of size.

Implemented in IBStreamer.

virtual int64 seek | ( | int64 | ,
|  | FSeekMode |
| ) |  |
| pure virtual

Set file position for stream.

Implemented in IBStreamer.

virtual int64 tell | ( |  | ) |
| pure virtual

Return current file position.

Implemented in IBStreamer.

void setByteOrder | ( | int32 | e | ) |
| inline

int32 getByteOrder | ( |  | ) | const
| inline

bool writeChar8 | ( | char8 | c | ) |

bool readChar8 | ( | char8 & | c | ) |

bool writeUChar8 | ( | unsigned char | c | ) |

bool readUChar8 | ( | unsigned char & | c | ) |

bool writeChar16 | ( | char16 | c | ) |

bool readChar16 | ( | char16 & | c | ) |

bool writeInt8 | ( | int8 | c | ) |

bool readInt8 | ( | int8 & | c | ) |

bool writeInt8u | ( | uint8 | c | ) |

bool readInt8u | ( | uint8 & | c | ) |

bool writeInt16 | ( | int16 | i | ) |

bool readInt16 | ( | int16 & | i | ) |

bool writeInt16Array | ( | const int16 * | array,
|  | int32 | count
| ) |  |

bool readInt16Array | ( | int16 * | array,
|  | int32 | count
| ) |  |

bool writeInt16u | ( | uint16 | i | ) |

bool readInt16u | ( | uint16 & | i | ) |

bool writeInt16uArray | ( | const uint16 * | array,
|  | int32 | count
| ) |  |

bool readInt16uArray | ( | uint16 * | array,
|  | int32 | count
| ) |  |

bool writeInt32 | ( | int32 | i | ) |

bool readInt32 | ( | int32 & | i | ) |

bool writeInt32Array | ( | const int32 * | array,
|  | int32 | count
| ) |  |

bool readInt32Array | ( | int32 * | array,
|  | int32 | count
| ) |  |

bool writeInt32u | ( | uint32 | i | ) |

bool readInt32u | ( | uint32 & | i | ) |

bool writeInt32uArray | ( | const uint32 * | array,
|  | int32 | count
| ) |  |

bool readInt32uArray | ( | uint32 * | array,
|  | int32 | count
| ) |  |

bool writeInt64 | ( | int64 | i | ) |

bool readInt64 | ( | int64 & | i | ) |

bool writeInt64Array | ( | const int64 * | array,
|  | int32 | count
| ) |  |

bool readInt64Array | ( | int64 * | array,
|  | int32 | count
| ) |  |

bool writeInt64u | ( | uint64 | i | ) |

bool readInt64u | ( | uint64 & | i | ) |

bool writeInt64uArray | ( | const uint64 * | array,
|  | int32 | count
| ) |  |

bool readInt64uArray | ( | uint64 * | array,
|  | int32 | count
| ) |  |

bool writeFloat | ( | float | f | ) |

bool readFloat | ( | float & | f | ) |

bool writeFloatArray | ( | const float * | array,
|  | int32 | count
| ) |  |

bool readFloatArray | ( | float * | array,
|  | int32 | count
| ) |  |

bool writeDouble | ( | double | d | ) |

bool readDouble | ( | double & | d | ) |

bool writeDoubleArray | ( | const double * | array,
|  | int32 | count
| ) |  |

bool readDoubleArray | ( | double * | array,
|  | int32 | count
| ) |  |

bool writeBool | ( | bool | b | ) |

Write one boolean.

bool readBool | ( | bool & | b | ) |

Read one bool.

TSize writeString8 | ( | const char8 * | ptr,
|  | bool | terminate = `false`
| ) |  |

a direct output function writing only one string (ascii 8bit)

TSize readString8 | ( | char8 * | ptr,
|  | TSize | size
| ) |  |

a direct input function reading only one string (ascii) (ended by a
or \0 or eof)

bool writeStr8 | ( | const char8 * | ptr | ) |

write a string length (strlen) and string itself

char8 * readStr8 | ( |  | ) |

read a string length and string text (The return string must be deleted when use is finished)

int32 getStr8Size | ( | const char8 * | ptr | ) |
| static

returns the size of a saved string

bool writeStringUtf8 | ( | const char * | ptr | ) |

always terminated, converts to utf8 if non ascii characters are in string

int32 readStringUtf8 | ( | char * | ptr,
|  | int32 | maxSize
| ) |  |

read a UTF8 string

bool skip | ( | uint32 | bytes | ) |

bool pad | ( | uint32 | bytes | ) |

## Member Data Documentation

int16 byteOrder
| protected

Empty

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