audacia/src/FileIO.cpp
2015-04-23 16:07:25 +02:00

141 lines
2.5 KiB
C++

/**********************************************************************
Audacity: A Digital Audio Editor
FileIO.cpp
Leland Lucius
**********************************************************************/
#include "Audacity.h"
#include <wx/defs.h>
#if wxCHECK_VERSION(3,0,0)
#include <wx/crt.h>
#endif
#include <wx/filename.h>
#include <wx/wfstream.h>
#include "FileIO.h"
FileIO::FileIO(const wxString & name, FileIOMode mode)
: mName(name),
mMode(mode),
mInputStream(NULL),
mOutputStream(NULL),
mOpen(false)
{
wxString scheme;
if (mMode == FileIO::Input) {
mInputStream = new wxFFileInputStream(mName);
if (mInputStream == NULL || !mInputStream->IsOk()) {
wxPrintf(wxT("Couldn't get input stream: %s\n"), name.c_str());
return;
}
}
else {
mOutputStream = new wxFFileOutputStream(mName);
if (mOutputStream == NULL || !mOutputStream->IsOk()) {
wxPrintf(wxT("Couldn't get output stream: %s\n"), name.c_str());
return;
}
}
mOpen = true;
}
FileIO::~FileIO()
{
Close();
}
bool FileIO::IsOpened()
{
return mOpen;
}
void FileIO::Close()
{
if (mOutputStream) {
delete mOutputStream;
mOutputStream = NULL;
}
if (mInputStream) {
delete mInputStream;
mInputStream = NULL;
}
SetCatalogInfo();
mOpen = false;
}
// MacOS: set the file type/creator so that the OS knows it's an MP3
// file which was created by Audacity
void FileIO::SetCatalogInfo()
{
#ifdef __WXMAC__
#if !wxCHECK_VERSION(3, 0, 0)
if (!mOpen ) {
return;
}
wxUint32 type;
wxFileName fn(mName);
wxString ext = fn.GetExt().MakeUpper() + wxT(" ");
type = (ext[0] & 0xff) << 24 |
(ext[1] & 0xff) << 16 |
(ext[2] & 0xff) << 8 |
(ext[3] & 0xff);
SetCatalogInfo(type);
#endif
#endif
return;
}
#if defined(__WXMAC__)
void FileIO::SetCatalogInfo(wxUint32 type)
#else
void FileIO::SetCatalogInfo(wxUint32 WXUNUSED(type))
#endif
{
#ifdef __WXMAC__
#if !wxCHECK_VERSION(3, 0, 0)
if (!mOpen ) {
return;
}
wxFileName fn(mName);
fn.MacSetTypeAndCreator(type, AUDACITY_CREATOR);
#endif
#endif
return;
}
wxInputStream & FileIO::Read(void *buf, size_t size)
{
if (mInputStream == NULL) {
return *mInputStream;
}
return mInputStream->Read(buf, size);
}
wxOutputStream & FileIO::Write(const void *buf, size_t size)
{
if (mOutputStream == NULL) {
return *mOutputStream;
}
return mOutputStream->Write(buf, size);
}