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Diffstat (limited to 'src/midiio/src/FileIO.cpp')
| -rw-r--r-- | src/midiio/src/FileIO.cpp | 761 |
1 files changed, 761 insertions, 0 deletions
diff --git a/src/midiio/src/FileIO.cpp b/src/midiio/src/FileIO.cpp new file mode 100644 index 0000000..93ef153 --- /dev/null +++ b/src/midiio/src/FileIO.cpp @@ -0,0 +1,761 @@ +// +// Copyright 1997 by Craig Stuart Sapp, All Rights Reserved. +// Programmer: Craig Stuart Sapp <craig@ccrma.stanford.edu> +// Creation Date: Fri May 9 22:30:32 PDT 1997 +// Last Modified: Sun Dec 14 03:29:39 GMT-0800 1997 +// Filename: ...sig/maint/code/sigBase/FileIO.cpp +// Web Address: http://sig.sapp.org/src/sigBase/FileIO.cpp +// Documentation: http://sig.sapp.org/doc/classes/FileIO +// Syntax: C++ +// +// Description: Derived from the fstream class, this class has +// functions which allow writing binary files in +// both little and big endian formats. Useful for +// writing files such as soundfiles and MIDI files +// which require numbers to be stored in a particular +// endian format. +// + +#include "FileIO.h" +#include "sigConfiguration.h" + +////////////////////////////// +// +// FileIO::FileIO -- +// + +FileIO::FileIO(void) { + // do nothing +}; + +FileIO::FileIO(const char* filename, std::ios::openmode state) : +#ifdef VISUAL /* for stupid LF-CR prevention in DOS */ + std::fstream(filename, state | ios::binary) { +#else + std::fstream(filename, state) { +#endif + // do nothing +}; + + + +////////////////////////////// +// +// FileIO::~FileIO -- +// + +FileIO::~FileIO() { + // do nothing +} + + + +////////////////////////////// +// +// FileIO::readBigEndian -- +// Read numbers from a file as big endian +// + +void FileIO::readBigEndian(char& aNumber) { + #ifdef OTHEREND + readNotMachineEndian(aNumber); + #else + readMachineEndian(aNumber); + #endif +} + +void FileIO::readBigEndian(uchar& aNumber) { + #ifdef OTHEREND + readNotMachineEndian(aNumber); + #else + readMachineEndian(aNumber); + #endif +} + +void FileIO::readBigEndian(short& aNumber) { + #ifdef OTHEREND + readNotMachineEndian(aNumber); + #else + readMachineEndian(aNumber); + #endif +} + +void FileIO::readBigEndian(ushort& aNumber) { + #ifdef OTHEREND + readNotMachineEndian(aNumber); + #else + readMachineEndian(aNumber); + #endif +} + +void FileIO::readBigEndian(long& aNumber) { + #ifdef OTHEREND + readNotMachineEndian(aNumber); + #else + readMachineEndian(aNumber); + #endif +} + +void FileIO::readBigEndian(ulong& aNumber) { + #ifdef OTHEREND + readNotMachineEndian(aNumber); + #else + readMachineEndian(aNumber); + #endif +} + +void FileIO::readBigEndian(int& aNumber) { + #ifdef OTHEREND + readNotMachineEndian(aNumber); + #else + readMachineEndian(aNumber); + #endif +} + +void FileIO::readBigEndian(uint& aNumber) { + #ifdef OTHEREND + readNotMachineEndian(aNumber); + #else + readMachineEndian(aNumber); + #endif +} + +void FileIO::readBigEndian(float& aNumber) { + #ifdef OTHEREND + readNotMachineEndian(aNumber); + #else + readMachineEndian(aNumber); + #endif +} + +void FileIO::readBigEndian(double& aNumber) { + #ifdef OTHEREND + readNotMachineEndian(aNumber); + #else + readMachineEndian(aNumber); + #endif +} + + + +////////////////////////////// +// +// FileIO::readLittleEndian -- +// Read numbers from a file as little endian +// + +void FileIO::readLittleEndian(char& aNumber) { + #ifdef OTHEREND + readMachineEndian(aNumber); + #else + readNotMachineEndian(aNumber); + #endif +} + +void FileIO::readLittleEndian(uchar& aNumber) { + #ifdef OTHEREND + readMachineEndian(aNumber); + #else + readNotMachineEndian(aNumber); + #endif +} + +void FileIO::readLittleEndian(short& aNumber) { + #ifdef OTHEREND + readMachineEndian(aNumber); + #else + readNotMachineEndian(aNumber); + #endif +} + +void FileIO::readLittleEndian(ushort& aNumber) { + #ifdef OTHEREND + readMachineEndian(aNumber); + #else + readNotMachineEndian(aNumber); + #endif +} + +void FileIO::readLittleEndian(long& aNumber) { + #ifdef OTHEREND + readMachineEndian(aNumber); + #else + readNotMachineEndian(aNumber); + #endif +} + +void FileIO::readLittleEndian(ulong& aNumber) { + #ifdef OTHEREND + readMachineEndian(aNumber); + #else + readNotMachineEndian(aNumber); + #endif +} + +void FileIO::readLittleEndian(int& aNumber) { + #ifdef OTHEREND + readMachineEndian(aNumber); + #else + readNotMachineEndian(aNumber); + #endif +} + +void FileIO::readLittleEndian(uint& aNumber) { + #ifdef OTHEREND + readMachineEndian(aNumber); + #else + readNotMachineEndian(aNumber); + #endif +} + +void FileIO::readLittleEndian(float& aNumber) { + #ifdef OTHEREND + readMachineEndian(aNumber); + #else + readNotMachineEndian(aNumber); + #endif +} + +void FileIO::readLittleEndian(double& aNumber) { + #ifdef OTHEREND + readMachineEndian(aNumber); + #else + readNotMachineEndian(aNumber); + #endif +} + + + +////////////////////////////// +// +// FileIO::readMachineEndian -- +// Read numbers from a file in the same endian as the computer. +// + +void FileIO::readMachineEndian(char& aNumber) { + this->read(&aNumber, sizeof(aNumber)); +} + +void FileIO::readMachineEndian(uchar& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::readMachineEndian(short& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::readMachineEndian(ushort& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::readMachineEndian(long& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::readMachineEndian(ulong& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::readMachineEndian(int& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::readMachineEndian(uint& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::readMachineEndian(float& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::readMachineEndian(double& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); +} + + + +////////////////////////////// +// +// FileIO::readNotMachineEndian -- +// Read numbers from a file with different endian from the computer. +// + +void FileIO::readNotMachineEndian(char& aNumber) { + this->read(&aNumber, sizeof(aNumber)); + aNumber = flipBytes(aNumber); +} + +void FileIO::readNotMachineEndian(uchar& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); + aNumber = flipBytes(aNumber); +} + +void FileIO::readNotMachineEndian(short& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); + aNumber = flipBytes(aNumber); +} + +void FileIO::readNotMachineEndian(ushort& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); + aNumber = flipBytes(aNumber); +} + +void FileIO::readNotMachineEndian(long& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); + aNumber = flipBytes(aNumber); +} + +void FileIO::readNotMachineEndian(ulong& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); + aNumber = flipBytes(aNumber); +} + +void FileIO::readNotMachineEndian(int& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); + aNumber = flipBytes(aNumber); +} + +void FileIO::readNotMachineEndian(uint& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); + aNumber = flipBytes(aNumber); +} + +void FileIO::readNotMachineEndian(float& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); + aNumber = flipBytes(aNumber); +} + +void FileIO::readNotMachineEndian(double& aNumber) { + this->read((char*)&aNumber, sizeof(aNumber)); + aNumber = flipBytes(aNumber); +} + + + +////////////////////////////// +// +// FileIO::writeBigEndian -- +// + +void FileIO::writeBigEndian(char aNumber) { + #ifdef OTHEREND + writeNotMachineEndian(aNumber); + #else + writeMachineEndian(aNumber); + #endif +} + +void FileIO::writeBigEndian(uchar aNumber) { + #ifdef OTHEREND + writeNotMachineEndian(aNumber); + #else + writeMachineEndian(aNumber); + #endif +} + +void FileIO::writeBigEndian(short aNumber) { + #ifdef OTHEREND + writeNotMachineEndian(aNumber); + #else + writeMachineEndian(aNumber); + #endif +} + +void FileIO::writeBigEndian(ushort aNumber) { + #ifdef OTHEREND + writeNotMachineEndian(aNumber); + #else + writeMachineEndian(aNumber); + #endif +} + +void FileIO::writeBigEndian(long aNumber) { + #ifdef OTHEREND + writeNotMachineEndian(aNumber); + #else + writeMachineEndian(aNumber); + #endif +} + +void FileIO::writeBigEndian(ulong aNumber) { + #ifdef OTHEREND + writeNotMachineEndian(aNumber); + #else + writeMachineEndian(aNumber); + #endif +} + +void FileIO::writeBigEndian(int aNumber) { + #ifdef OTHEREND + writeNotMachineEndian(aNumber); + #else + writeMachineEndian(aNumber); + #endif +} + +void FileIO::writeBigEndian(uint aNumber) { + #ifdef OTHEREND + writeNotMachineEndian(aNumber); + #else + writeMachineEndian(aNumber); + #endif +} + +void FileIO::writeBigEndian(float aNumber) { + #ifdef OTHEREND + writeNotMachineEndian(aNumber); + #else + writeMachineEndian(aNumber); + #endif +} + +void FileIO::writeBigEndian(double aNumber) { + #ifdef OTHEREND + writeNotMachineEndian(aNumber); + #else + writeMachineEndian(aNumber); + #endif +} + + + +////////////////////////////// +// +// FileIO::writeLittleEndian -- +// + +void FileIO::writeLittleEndian(char aNumber) { + #ifdef OTHEREND + writeMachineEndian(aNumber); + #else + writeNotMachineEndian(aNumber); + #endif +} + +void FileIO::writeLittleEndian(uchar aNumber) { + #ifdef OTHEREND + writeMachineEndian(aNumber); + #else + writeNotMachineEndian(aNumber); + #endif +} + +void FileIO::writeLittleEndian(short aNumber) { + #ifdef OTHEREND + writeMachineEndian(aNumber); + #else + writeNotMachineEndian(aNumber); + #endif +} + +void FileIO::writeLittleEndian(ushort aNumber) { + #ifdef OTHEREND + writeMachineEndian(aNumber); + #else + writeNotMachineEndian(aNumber); + #endif +} + +void FileIO::writeLittleEndian(long aNumber) { + #ifdef OTHEREND + writeMachineEndian(aNumber); + #else + writeNotMachineEndian(aNumber); + #endif +} + +void FileIO::writeLittleEndian(ulong aNumber) { + #ifdef OTHEREND + writeMachineEndian(aNumber); + #else + writeNotMachineEndian(aNumber); + #endif +} + +void FileIO::writeLittleEndian(int aNumber) { + #ifdef OTHEREND + writeMachineEndian(aNumber); + #else + writeNotMachineEndian(aNumber); + #endif +} + +void FileIO::writeLittleEndian(uint aNumber) { + #ifdef OTHEREND + writeMachineEndian(aNumber); + #else + writeNotMachineEndian(aNumber); + #endif +} + +void FileIO::writeLittleEndian(float aNumber) { + #ifdef OTHEREND + writeMachineEndian(aNumber); + #else + writeNotMachineEndian(aNumber); + #endif +} + +void FileIO::writeLittleEndian(double aNumber) { + #ifdef OTHEREND + writeMachineEndian(aNumber); + #else + writeNotMachineEndian(aNumber); + #endif +} + + + +////////////////////////////// +// +// FileIO::writeMachineEndian -- +// + +void FileIO::writeMachineEndian(char aNumber) { + this->write(&aNumber, sizeof(aNumber)); +} + +void FileIO::writeMachineEndian(uchar aNumber) { + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeMachineEndian(short aNumber) { + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeMachineEndian(ushort aNumber) { + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeMachineEndian(long aNumber) { + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeMachineEndian(ulong aNumber) { + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeMachineEndian(int aNumber) { + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeMachineEndian(uint aNumber) { + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeMachineEndian(float aNumber) { + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeMachineEndian(double aNumber) { + this->write((char*)&aNumber, sizeof(aNumber)); +} + + + +////////////////////////////// +// +// FileIO::writeNotMachineEndian -- +// + +void FileIO::writeNotMachineEndian(char aNumber) { + // aNumber = flipBytes(aNumber); + this->write(&aNumber, sizeof(aNumber)); +} + +void FileIO::writeNotMachineEndian(uchar aNumber) { + // aNumber = flipBytes(aNumber); + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeNotMachineEndian(short aNumber) { + aNumber = flipBytes(aNumber); + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeNotMachineEndian(ushort aNumber) { + aNumber = flipBytes(aNumber); + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeNotMachineEndian(long aNumber) { + aNumber = flipBytes(aNumber); + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeNotMachineEndian(ulong aNumber) { + aNumber = flipBytes(aNumber); + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeNotMachineEndian(int aNumber) { + aNumber = flipBytes(aNumber); + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeNotMachineEndian(uint aNumber) { + aNumber = flipBytes(aNumber); + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeNotMachineEndian(float aNumber) { + aNumber = flipBytes(aNumber); + this->write((char*)&aNumber, sizeof(aNumber)); +} + +void FileIO::writeNotMachineEndian(double aNumber) { + aNumber = flipBytes(aNumber); + this->write((char*)&aNumber, sizeof(aNumber)); +} + + +/////////////////////////////////////////////////////////////////////////// +// +// private functions +// + + +////////////////////////////// +// +// flipBytes -- flip the bytes in a number +// + +char FileIO::flipBytes(char aNumber) { + return aNumber; +} + + +uchar FileIO::flipBytes(uchar aNumber) { + return aNumber; +} + + +short FileIO::flipBytes(short aNumber) { + static uchar output[2]; + static uchar* input; + input = (uchar*)(&aNumber); + + output[0] = input[1]; + output[1] = input[0]; + + return *((short*)(&output)); +} + + +ushort FileIO::flipBytes(ushort aNumber) { + static uchar output[2]; + static uchar* input; + input = (uchar*)(&aNumber); + + output[0] = input[1]; + output[1] = input[0]; + + return *((ushort*)(&output)); +} + + +long FileIO::flipBytes(long aNumber) { + static uchar output[4]; + static uchar* input; + input = (uchar*)(&aNumber); + + output[0] = input[3]; + output[1] = input[2]; + output[2] = input[1]; + output[3] = input[0]; + + return *((long*)(&output)); +} + + +ulong FileIO::flipBytes(ulong aNumber) { + static uchar output[4]; + static uchar* input; + input = (uchar*)(&aNumber); + + output[0] = input[3]; + output[1] = input[2]; + output[2] = input[1]; + output[3] = input[0]; + + return *((ulong*)(&output)); +} + + +int FileIO::flipBytes(int aNumber) { + static uchar output[sizeof(uint)]; + static uchar* input; + input = (uchar*)(&aNumber); + + for(uint i=0; i<sizeof(int); i++) { + output[i] = input[sizeof(int)-1-i]; + } + + return *((int*)(&output)); +} + + +uint FileIO::flipBytes(uint aNumber) { + static uchar output[sizeof(uint)]; + static uchar* input; + input = (uchar*)(&aNumber); + + for(uint i=0; i<sizeof(uint); i++) { + output[i] = input[sizeof(uint)-1-i]; + } + + return *((uint*)(&output)); +} + + + +float FileIO::flipBytes(float aNumber) { + static uchar output[4]; + static uchar* input; + input = (uchar*)(&aNumber); + + output[0] = input[3]; + output[1] = input[2]; + output[2] = input[1]; + output[3] = input[0]; + + return *((float*)(&output)); +} + + +double FileIO::flipBytes(double aNumber) { + static uchar output[8]; + static uchar* input; + input = (uchar*)(&aNumber); + + output[0] = input[7]; + output[1] = input[6]; + output[2] = input[5]; + output[3] = input[4]; + output[4] = input[3]; + output[5] = input[2]; + output[6] = input[1]; + output[7] = input[0]; + + return *((double*)(&output)); +} + + + +/* This is what I want to use +template<class type> +type FileIO::flipBytes(type aThing) { + uchar* input = (uchar*)(&aNumber); + uchar output[sizeof(aThing)]; + + for(int i=0; i<sizeof(aThing); i++) { + output[i] = input[sizeof(aThing) - 1 - i]; + } + + return *((type*)(&output)); +} +*/ + + + +// md5sum: a82bcb961043a48d2cae34d5eaac0101 - FileIO.cpp =css= 20030102 |