vdr-plugin-skindesigner/libcore/recfolderinfo.c
2014-10-23 06:08:12 +02:00

219 lines
5.5 KiB
C

#include "recfolderinfo.h"
class cFolderInfoInternList;
class cRecordingsFolderInfo::cFolderInfoIntern:public cListObject {
private:
cFolderInfoIntern *_parent;
cList<cFolderInfoIntern> *_subFolders;
cString _name;
time_t _latest;
int _count;
cString _latestFileName;
void UpdateData(cRecording *Recording);
cFolderInfoIntern *FindSubFolder(const char *Name) const;
public:
cFolderInfoIntern(cFolderInfoIntern *Parent, const char *Name);
virtual ~cFolderInfoIntern(void);
// split Name and find folder-info in tree
// if "Add", missing folders are created
cFolderInfoIntern *Find(const char *Name, bool Add);
void Add(cRecording *Recording);
cRecordingsFolderInfo::cFolderInfo *GetInfo(void) const;
cString FullName(void) const;
cString ToText(void) const;
cString DebugOutput(void) const;
};
cRecordingsFolderInfo::cFolderInfo::cFolderInfo(const char *Name, const char *FullName, time_t Latest, int Count, const char *LatestFileName)
{
this->Name = Name;
this->FullName = FullName;
this->Latest = Latest;
this->Count = Count;
this->LatestFileName= LatestFileName;
}
cRecordingsFolderInfo::cRecordingsFolderInfo(cRecordings &Recordings)
:_recordings(Recordings)
,_root(NULL)
{
Rebuild();
}
cRecordingsFolderInfo::~cRecordingsFolderInfo(void)
{
delete _root;
_root = NULL;
}
void cRecordingsFolderInfo::Rebuild(void)
{
delete _root;
_root = new cFolderInfoIntern(NULL, "");
cThreadLock RecordingsLock(&_recordings);
// re-get state with lock held
_recordings.StateChanged(_recState);
cFolderInfoIntern *info;
cString folder;
for (cRecording *rec = _recordings.First(); rec; rec = _recordings.Next(rec)) {
#if APIVERSNUM < 20102
//cRecording::Folder() first available since VDR 2.1.2
const char *recName = rec->Name();
if (const char *s = strrchr(recName, FOLDERDELIMCHAR)) {
folder = recName;
folder.Truncate(s - recName);
}
else
folder = "";
#else
folder = rec->Folder();
#endif
info = _root->Find(*folder, true);
info->Add(rec);
}
}
cRecordingsFolderInfo::cFolderInfo *cRecordingsFolderInfo::Get(const char *Folder)
{
cMutexLock lock(&_rootLock);
if (_recordings.StateChanged(_recState) || (_root == NULL))
Rebuild();
cFolderInfoIntern *info = _root->Find(Folder, false);
if (info == NULL)
return NULL;
return info->GetInfo();
}
cString cRecordingsFolderInfo::DebugOutput(void) const
{
cMutexLock lock(&_rootLock);
return _root->DebugOutput();
}
cRecordingsFolderInfo::cFolderInfoIntern::cFolderInfoIntern(cFolderInfoIntern *Parent, const char *Name)
:_parent(Parent)
,_name(Name)
,_latest(0)
,_count(0)
,_latestFileName("")
{
_subFolders = new cList<cFolderInfoIntern>();
}
cRecordingsFolderInfo::cFolderInfoIntern::~cFolderInfoIntern(void)
{
delete _subFolders;
_subFolders = NULL;
}
cRecordingsFolderInfo::cFolderInfoIntern *cRecordingsFolderInfo::cFolderInfoIntern::Find(const char *Name, bool Add)
{
cFolderInfoIntern *info = NULL;
if (Add)
info = this;
if (Name && *Name) {
static char delim[2] = { FOLDERDELIMCHAR, 0 };
char *strtok_next;
cFolderInfoIntern *next;
char *folder = strdup(Name);
info = this;
for (char *t = strtok_r(folder, delim, &strtok_next); t; t = strtok_r(NULL, delim, &strtok_next)) {
next = info->FindSubFolder(t);
if (next == NULL) {
if (!Add) {
info = NULL;
break;
}
next = new cFolderInfoIntern(info, t);
info->_subFolders->Add(next);
}
info = next;
}
free(folder);
}
return info;
}
void cRecordingsFolderInfo::cFolderInfoIntern::UpdateData(cRecording *Recording)
{
// count every recording
_count++;
// update date if newer
time_t recdate = Recording->Start();
if (_latest < recdate) {
_latest = recdate;
_latestFileName = Recording->FileName();
}
}
cRecordingsFolderInfo::cFolderInfoIntern *cRecordingsFolderInfo::cFolderInfoIntern::FindSubFolder(const char *Name) const
{
for (cRecordingsFolderInfo::cFolderInfoIntern *info = _subFolders->First(); info; info = _subFolders->Next(info)) {
if (strcmp(info->_name, Name) == 0)
return info;
}
return NULL;
}
void cRecordingsFolderInfo::cFolderInfoIntern::Add(cRecording *Recording)
{
if (Recording == NULL)
return;
// update this and all parent folders
for (cFolderInfoIntern *p = this; p; p = p->_parent)
p->UpdateData(Recording);
}
cRecordingsFolderInfo::cFolderInfo *cRecordingsFolderInfo::cFolderInfoIntern::GetInfo(void) const
{
return new cRecordingsFolderInfo::cFolderInfo(*_name, *FullName(), _latest, _count, *_latestFileName);
}
cString cRecordingsFolderInfo::cFolderInfoIntern::FullName(void) const
{
static char delim[2] = { FOLDERDELIMCHAR, 0 };
cString name = _name;
for (cFolderInfoIntern *p = _parent; p; p = p->_parent) {
// don't add FOLDERDELIMCHAR at start of FullName
if (p->_parent == NULL)
break;
name = cString::sprintf("%s%s%s", *p->_name, delim, *name);
}
return name;
}
cString cRecordingsFolderInfo::cFolderInfoIntern::ToText(void) const
{
return cString::sprintf("%s (%d recordings, latest: %s)\n", *FullName(), _count, *ShortDateString(_latest));
}
cString cRecordingsFolderInfo::cFolderInfoIntern::DebugOutput(void) const
{
cString output = ToText();
for (cFolderInfoIntern *i = _subFolders->First(); i; i = _subFolders->Next(i))
output = cString::sprintf("%s%s", *output, *i->DebugOutput());
return output;
}