void testFileValidity() {
// Use libsndfile to read the file. Make sure:
// 1. it is correctly recognized as an AU file
// 2. it has all the header information we expect
std::cout << "\tthe created files should be valid AU files with the expected number of samples...";
std::cout << std::flush;
BlockFile *theFiles[] = {int16BlockFile, int24BlockFile, floatBlockFile};
for(int i = 0; i < 3; i++)
{
BlockFile *bf = theFiles[i];
SF_INFO info;
memset(&info, 0, sizeof(info));
SNDFILE *sf = sf_open(bf->GetFileName().GetFullPath(), SFM_READ, &info);
assert(sf);
assert(info.frames == dataLen);
assert(info.channels == 1);
assert(info.format & SF_FORMAT_AU);
sf_close(sf);
}
std::cout << "OK\n";
}
// get the sum of the sizes of all blocks this track list
// references. However, if a block is referred to multiple
// times it is only counted once. Return value is in bytes.
wxLongLong UndoManager::CalculateSpaceUsage(int index)
{
TrackListOfKindIterator iter(Track::Wave);
WaveTrack *wt;
WaveClipList::compatibility_iterator it;
BlockArray *blocks;
unsigned int i;
// get a map of all blocks referenced in this TrackList
std::map<BlockFile*, wxLongLong> cur;
wt = (WaveTrack *) iter.First(stack[index]->tracks);
while (wt) {
for (it = wt->GetClipIterator(); it; it = it->GetNext()) {
blocks = it->GetData()->GetSequenceBlockArray();
for (i = 0; i < blocks->GetCount(); i++)
{
BlockFile* pBlockFile = blocks->Item(i)->f;
if (pBlockFile->GetFileName().FileExists())
cur[pBlockFile] = pBlockFile->GetSpaceUsage();
}
}
wt = (WaveTrack *) iter.Next();
}
if (index > 0) {
// get a set of all blocks referenced in all prev TrackList
std::set<BlockFile*> prev;
while (--index) {
wt = (WaveTrack *) iter.First(stack[index]->tracks);
while (wt) {
for (it = wt->GetClipIterator(); it; it = it->GetNext()) {
blocks = it->GetData()->GetSequenceBlockArray();
for (i = 0; i < blocks->GetCount(); i++) {
prev.insert(blocks->Item(i)->f);
}
}
wt = (WaveTrack *) iter.Next();
}
}
// remove all blocks in prevBlockFiles from curBlockFiles
std::set<BlockFile*>::const_iterator prevIter;
for (prevIter = prev.begin(); prevIter != prev.end(); prevIter++) {
cur.erase(*prevIter);
}
}
// sum the sizes of the blocks remaining in curBlockFiles;
wxLongLong bytes = 0;
std::map<BlockFile*, wxLongLong>::const_iterator curIter;
for (curIter = cur.begin(); curIter != cur.end(); curIter++) {
bytes += curIter->second;
}
return bytes;
}
bool DirManager::EnsureSafeFilename(wxFileName fName)
{
// Quick check: If it's not even in our alias list,
// then the file name is A-OK.
#if 0
printf("file name: %s\n", fName.GetFullPath().c_str());
printf("string list:\n");
wxStringListNode *node = aliasList.GetFirst();
while (node)
{
wxString string = node->GetData();
printf("%s\n", string.c_str());
node = node->GetNext();
}
#endif
if (!aliasList.Member(fName.GetFullPath()))
return true;
// If any of the following commands fail, your guess is as
// good as mine why. The following error message is the
// best we can do - we'll use it if any of the renames,
// creates, or deletes fail.
wxString errStr =
_( "Error: is directory write-protected or disk full?" );
/* i18n-hint: 'old' is part of a filename used when a file is renamed. */
// Figure out what the new name for the existing file would be.
/* i18n-hint: e.g. Try to go from "mysong.wav" to "mysong-old1.wav". */
// Keep trying until we find a filename that doesn't exist.
wxFileName renamedFile = fName;
int i = 0;
do {
i++;
/* i18n-hint: This is the pattern for filenames that are created
when a file needs to be backed up to a different name. For
example, mysong would become mysong-old1, mysong-old2, etc. */
renamedFile.SetName(wxString::Format(_("%s-old%d"), fName.GetName().c_str(), i));
} while (renamedFile.FileExists());
// Test creating a file by that name to make sure it will
// be possible to do the rename
wxFile testFile(renamedFile.GetFullPath(), wxFile::write);
if (!testFile.IsOpened()) {
wxMessageBox(errStr);
return false;
}
if (!wxRemoveFile(renamedFile.GetFullPath())) {
wxMessageBox(errStr);
return false;
}
printf(_("Renamed file: %s\n"), (const char *)renamedFile.GetFullPath());
// Go through our block files and see if any indeed point to
// the file we're concerned about. If so, point the block file
// to the renamed file and when we're done, perform the rename.
bool needToRename = false;
wxBusyCursor busy;
blockFileHash->BeginFind();
wxNode *n = blockFileHash->Next();
while(n) {
BlockFile *b = (BlockFile *)n->GetData();
// don't worry, we don't rely on this cast unless IsAlias is true
AliasBlockFile *ab = (AliasBlockFile*)b;
if (b->IsAlias() && ab->GetAliasedFile() == fName) {
needToRename = true;
printf(_("Changing block %s\n"), (const char *)b->GetFileName().GetFullName());
ab->ChangeAliasedFile(renamedFile);
}
n = blockFileHash->Next();
}
if (needToRename) {
if (!wxRenameFile(fName.GetFullPath(), renamedFile.GetFullPath())) {
// ACK!!! The renaming was unsuccessful!!!
// (This shouldn't happen, since we tried creating a
// file of this name and then deleted it just a
// second earlier.) But we'll handle this scenario
// just in case!!!
// Put things back where they were
blockFileHash->BeginFind();
n = blockFileHash->Next();
while(n) {
BlockFile *b = (BlockFile *)n->GetData();
AliasBlockFile *ab = (AliasBlockFile*)b;
if (b->IsAlias() && ab->GetAliasedFile() == renamedFile)
ab->ChangeAliasedFile(fName);
n = blockFileHash->Next();
}
// Print error message and cancel the export
wxMessageBox(errStr);
return false;
}
aliasList.Delete(fName.GetFullPath());
aliasList.Add(renamedFile.GetFullPath());
}
// Success!!! Either we successfully renamed the file,
// or we didn't need to!
return true;
}
bool DirManager::EnsureSafeFilename(wxFileName fName)
{
// Quick check: If it's not even in our alias list,
// then the file name is A-OK.
if (aliasList.Index(fName.GetFullPath()) == wxNOT_FOUND)
return true;
/* i18n-hint: 'old' is part of a filename used when a file is renamed. */
// Figure out what the new name for the existing file would be.
/* i18n-hint: e.g. Try to go from "mysong.wav" to "mysong-old1.wav". */
// Keep trying until we find a filename that doesn't exist.
wxFileName renamedFile = fName;
int i = 0;
do {
i++;
/* i18n-hint: This is the pattern for filenames that are created
when a file needs to be backed up to a different name. For
example, mysong would become mysong-old1, mysong-old2, etc. */
renamedFile.SetName(wxString::Format(_("%s-old%d"), fName.GetName().c_str(), i));
} while (wxFileExists(renamedFile.GetFullPath()));
// Test creating a file by that name to make sure it will
// be possible to do the rename
wxFile testFile(renamedFile.GetFullPath(), wxFile::write);
if (!testFile.IsOpened()) {
wxLogSysError(_("Unable to open/create test file"),
renamedFile.GetFullPath().c_str());
return false;
}
// Close the file prior to renaming.
testFile.Close();
if (!wxRemoveFile(renamedFile.GetFullPath())) {
wxLogSysError(_("Unable to remove '%s'"),
renamedFile.GetFullPath().c_str());
return false;
}
wxPrintf(_("Renamed file: %s\n"), renamedFile.GetFullPath().c_str());
// Go through our block files and see if any indeed point to
// the file we're concerned about. If so, point the block file
// to the renamed file and when we're done, perform the rename.
bool needToRename = false;
wxBusyCursor busy;
BlockHash::iterator it=blockFileHash.begin();
while(it != blockFileHash.end()) {
BlockFile *b = it->second;
// don't worry, we don't rely on this cast unless IsAlias is true
AliasBlockFile *ab = (AliasBlockFile*)b;
if (b->IsAlias() && ab->GetAliasedFile() == fName) {
needToRename = true;
wxPrintf(_("Changing block %s\n"), b->GetFileName().GetFullName().c_str());
ab->ChangeAliasedFile(renamedFile);
}
it++;
}
if (needToRename) {
if (!wxRenameFile(fName.GetFullPath(),
renamedFile.GetFullPath())) {
// ACK!!! The renaming was unsuccessful!!!
// (This shouldn't happen, since we tried creating a
// file of this name and then deleted it just a
// second earlier.) But we'll handle this scenario
// just in case!!!
// Put things back where they were
BlockHash::iterator it=blockFileHash.begin();
while(it != blockFileHash.end()) {
BlockFile *b = it->second;
AliasBlockFile *ab = (AliasBlockFile*)b;
if (b->IsAlias() && ab->GetAliasedFile() == renamedFile)
ab->ChangeAliasedFile(fName);
it++;
}
// Print error message and cancel the export
wxLogSysError(_("Unable to rename '%s' to '%s'"),
fName.GetFullPath().c_str(),
renamedFile.GetFullPath().c_str());
return false;
}
aliasList.Remove(fName.GetFullPath());
aliasList.Add(renamedFile.GetFullPath());
}
// Success!!! Either we successfully renamed the file,
// or we didn't need to!
return true;
}
