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Code Issues Releases Wiki Activity

One less indirection accessing containers in Importer

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This commit is contained in:
Paul Licameli 2016-08-10 23:33:51 -04:00
parent 8226441210
commit eef2669abd
2 changed files with 32 additions and 41 deletions
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65
src/import/Import.cpp
View File

@ -77,41 +77,35 @@ Importer & Importer::Get()
Importer::Importer()
{
mExtImportItems = NULL;
}
Importer::~Importer()
{
if (mExtImportItems != NULL)
{
delete mExtImportItems;
mExtImportItems = NULL;
}
}
bool Importer::Initialize()
{
mImportPluginList = new ImportPluginList;
mUnusableImportPluginList = new UnusableImportPluginList;
mExtImportItems = NULL;
ImportPluginList{}.swap(mImportPluginList);
UnusableImportPluginList{}.swap(mUnusableImportPluginList);
ExtImportItems{}.swap(mExtImportItems);
// build the list of import plugin and/or unusableImporters.
// order is significant. If none match, they will all be tried
// in the order defined here.
GetPCMImportPlugin(*mImportPluginList, *mUnusableImportPluginList);
GetOGGImportPlugin(*mImportPluginList, *mUnusableImportPluginList);
GetFLACImportPlugin(*mImportPluginList, *mUnusableImportPluginList);
GetMP3ImportPlugin(*mImportPluginList, *mUnusableImportPluginList);
GetLOFImportPlugin(*mImportPluginList, *mUnusableImportPluginList);
GetPCMImportPlugin(mImportPluginList, mUnusableImportPluginList);
GetOGGImportPlugin(mImportPluginList, mUnusableImportPluginList);
GetFLACImportPlugin(mImportPluginList, mUnusableImportPluginList);
GetMP3ImportPlugin(mImportPluginList, mUnusableImportPluginList);
GetLOFImportPlugin(mImportPluginList, mUnusableImportPluginList);
#if defined(USE_FFMPEG)
GetFFmpegImportPlugin(*mImportPluginList, *mUnusableImportPluginList);
GetFFmpegImportPlugin(mImportPluginList, mUnusableImportPluginList);
#endif
#ifdef USE_QUICKTIME
GetQTImportPlugin(*mImportPluginList, *mUnusableImportPluginList);
GetQTImportPlugin(mImportPluginList, mUnusableImportPluginList);
#endif
#if defined(USE_GSTREAMER)
GetGStreamerImportPlugin(*mImportPluginList, *mUnusableImportPluginList);
GetGStreamerImportPlugin(mImportPluginList, mUnusableImportPluginList);
#endif
ReadImportItems();
@ -122,15 +116,15 @@ bool Importer::Initialize()
bool Importer::Terminate()
{
WriteImportItems();
delete mImportPluginList;
delete mUnusableImportPluginList;
ImportPluginList{}.swap( mImportPluginList );
UnusableImportPluginList{}.swap( mUnusableImportPluginList );
return true;
}
void Importer::GetSupportedImportFormats(FormatList *formatList)
{
for(const auto &importPlugin : *mImportPluginList)
for(const auto &importPlugin : mImportPluginList)
{
#ifdef __AUDACITY_OLD_STD__
formatList->push_back(Format{importPlugin->GetPluginFormatDescription(),
@ -157,10 +151,7 @@ void Importer::ReadImportItems()
wxString item_name;
wxString item_value;
if (this->mExtImportItems != NULL)
delete this->mExtImportItems;
this->mExtImportItems = new ExtImportItems();
ExtImportItems{}.swap(mExtImportItems);
/* Rule string format is:
* extension1:extension2:extension3\mime_type1:mime_type2:mime_type3|filter1:filter2:filter3\unusedfilter1:unusedfilter2
* backslashes are escaped and unescaped internally
@ -220,7 +211,7 @@ void Importer::ReadImportItems()
for (size_t i = 0; i < new_item->filters.Count(); i++)
{
bool found = false;
for (const auto &importPlugin : *mImportPluginList)
for (const auto &importPlugin : mImportPluginList)
{
if (importPlugin->GetPluginStringID().Cmp(new_item->filters[i]) == 0)
{
@ -234,7 +225,7 @@ void Importer::ReadImportItems()
new_item->filter_objects.Add (NULL);
}
/* Find all filter objects that are not present in the filter list */
for (const auto &importPlugin : *mImportPluginList)
for (const auto &importPlugin : mImportPluginList)
{
bool found = false;
for (size_t i = 0; i < new_item->filter_objects.Count(); i++)
@ -257,7 +248,7 @@ void Importer::ReadImportItems()
new_item->divider++;
}
}
this->mExtImportItems->push_back( std::move(new_item) );
this->mExtImportItems.push_back( std::move(new_item) );
}
}
@ -265,9 +256,9 @@ void Importer::WriteImportItems()
{
size_t i;
wxString val, name;
for (i = 0; i < this->mExtImportItems->size(); i++)
for (i = 0; i < this->mExtImportItems.size(); i++)
{
ExtImportItem *item = (*mExtImportItems)[i].get();
ExtImportItem *item = mExtImportItems[i].get();
val.Clear();
for (size_t j = 0; j < item->extensions.Count(); j++)
@ -307,7 +298,7 @@ void Importer::WriteImportItems()
/* If we used to have more items than we have now, DELETE the excess items.
We just keep deleting items and incrementing until we find there aren't any
more to DELETE.*/
i = this->mExtImportItems->size();
i = this->mExtImportItems.size();
do {
name.Printf (wxT("/ExtImportItems/Item%d"), (int)i);
// No item to DELETE? Then it's time to finish.
@ -328,7 +319,7 @@ movable_ptr<ExtImportItem> Importer::CreateDefaultImportItem()
new_item->extensions.Add(wxT("*"));
new_item->mime_types.Add(wxT("*"));
for (const auto &importPlugin : *mImportPluginList)
for (const auto &importPlugin : mImportPluginList)
{
new_item->filters.Add (importPlugin->GetPluginStringID());
new_item->filter_objects.Add (importPlugin.get());
@ -373,7 +364,7 @@ bool Importer::Import(const wxString &fName,
if (usersSelectionOverrides)
{
for (const auto &plugin : *mImportPluginList)
for (const auto &plugin : mImportPluginList)
{
if (plugin->GetPluginFormatDescription().CompareTo(type) == 0)
{
@ -387,7 +378,7 @@ bool Importer::Import(const wxString &fName,
wxLogMessage(wxT("File name is %s"),(const char *) fName.c_str());
wxLogMessage(wxT("Mime type is %s"),(const char *) mime_type.Lower().c_str());
for (const auto &uItem : *mExtImportItems)
for (const auto &uItem : mExtImportItems)
{
ExtImportItem *item = uItem.get();
bool matches_ext = false, matches_mime = false;
@ -449,10 +440,10 @@ bool Importer::Import(const wxString &fName,
// is not changed by user selection overrides or any other mechanism, but we include an assert
// in case subsequent code revisions to the constructor should break this assumption that
// libsndfile is first.
ImportPlugin *libsndfilePlugin = mImportPluginList->begin()->get();
ImportPlugin *libsndfilePlugin = mImportPluginList.begin()->get();
wxASSERT(libsndfilePlugin->GetPluginStringID().IsSameAs(wxT("libsndfile")));
for (const auto &plugin : *mImportPluginList)
for (const auto &plugin : mImportPluginList)
{
// Make sure its not already in the list
if (importPlugins.end() ==
@ -488,7 +479,7 @@ bool Importer::Import(const wxString &fName,
// Otherwise, if FFmpeg (libav) has not been installed, libmad will still be there near the
// end of the preference list importPlugins, where it will claim success importing FFmpeg file
// formats unsuitable for it, and produce distorted results.
for (const auto &plugin : *mImportPluginList)
for (const auto &plugin : mImportPluginList)
{
if (!(plugin->GetPluginStringID().IsSameAs(wxT("libmad"))))
{
@ -564,7 +555,7 @@ bool Importer::Import(const wxString &fName,
// None of our plugins can handle this file. It might be that
// Audacity supports this format, but support was not compiled in.
// If so, notify the user of this fact
for (const auto &unusableImportPlugin : *mUnusableImportPluginList)
for (const auto &unusableImportPlugin : mUnusableImportPluginList)
{
if( unusableImportPlugin->SupportsExtension(extension) )
{

8
src/import/Import.h
View File

@ -129,7 +129,7 @@ public:
* Returns a pointer to internal items array.
* External objects are allowed to change the array contents.
*/
ExtImportItems &GetImportItems() { return *mExtImportItems; };
ExtImportItems &GetImportItems() { return mExtImportItems; };
/**
* Allocates NEW ExtImportItem, fills it with default data
@ -147,9 +147,9 @@ public:
private:
static Importer mInstance;
ExtImportItems *mExtImportItems;
ImportPluginList *mImportPluginList;
UnusableImportPluginList *mUnusableImportPluginList;
ExtImportItems mExtImportItems;
ImportPluginList mImportPluginList;
UnusableImportPluginList mUnusableImportPluginList;
};
//----------------------------------------------------------------------------