void UncompressedStream::read(void* ptr, size_t size) {
size_t nUnused = (size_t) getUnusedLength();
char* unused = getUnused();
if (nUnused > 0) {
// We have unused data from the last compressed read
if (nUnused == size) {
// Copy the unused data into the buffer
memcpy(ptr, unused, nUnused);
clearUnused();
}
else if (nUnused < size) {
// Copy the unused data into the buffer
memcpy(ptr, unused, nUnused);
// Still have data to read
size -= nUnused;
// Read the remaining data from the file
int result = fread((char*) ptr + nUnused, 1, size, getFilePointer());
if ((size_t) result != size)
throw BagIOException((format("Error reading from file + unused: wanted %1% bytes, read %2% bytes") % size % result).str());
advanceOffset(size);
clearUnused();
}
else {
// nUnused_ > size
memcpy(ptr, unused, size);
setUnused(unused + size);
setUnusedLength(nUnused - size);
}
}
// No unused data - read from stream
int result = fread(ptr, 1, size, getFilePointer());
if ((size_t) result != size)
throw BagIOException((format("Error reading from file: wanted %1% bytes, read %2% bytes") % size % result).str());
advanceOffset(size);
}
/**
* Destroy a linked list.
*
* @param llist Ptr to the list to be destroyed.
*/
void List_Destroy(LinkList *list)
{
if(list)
{
clear(list);
clearUnused(list);
free(list->state);
free(list);
}
}
void BZ2Stream::startRead() {
bzfile_ = BZ2_bzReadOpen(&bzerror_, getFilePointer(), verbosity_, 0, getUnused(), getUnusedLength());
switch (bzerror_) {
case BZ_OK: break;
default: {
BZ2_bzReadClose(&bzerror_, bzfile_);
throw BagException("Error opening file for reading compressed stream");
}
}
clearUnused();
}
void toTemplateEdit::remove(void)
{
if (LastTemplate != TemplateMap.end())
{
toTreeWidgetItem *item = findLast();
TemplateMap.erase(LastTemplate);
LastTemplate = TemplateMap.end();
Name->setText(QString::null);
Description->setText(QString::null);
if (item)
{
connectList(false);
clearUnused(Templates->firstChild(), "");
connectList(true);
}
}
}
void toTemplateEdit::changeSelection(void)
{
bool update = false;
if (LastTemplate != TemplateMap.end())
{
if (Name->text() != (*LastTemplate).first || Description->text() != (*LastTemplate).second)
{
TemplateMap.erase(LastTemplate);
TemplateMap[Name->text()] = Description->text();
allocateItem();
update = true;
}
}
else if (!Name->text().isEmpty())
{
TemplateMap[Name->text()] = Description->text();
allocateItem();
update = true;
}
LastTemplate = TemplateMap.end();
toTreeWidgetItem *item = Templates->selectedItem();
if (item)
{
QString str = name(item);
LastTemplate = TemplateMap.find(str);
if (LastTemplate != TemplateMap.end())
{
Name->setText((*LastTemplate).first);
Description->setText((*LastTemplate).second);
Preview->setText((*LastTemplate).second);
}
else
{
Name->setText(QString::null);
Description->clear();
Preview->setText(QString::null);
}
}
else
LastTemplate = TemplateMap.end();
clearUnused(Templates->firstChild(), "");
}
bool toTemplateEdit::clearUnused(toTreeWidgetItem *first, const QString &pre)
{
bool ret = false;
while (first)
{
toTreeWidgetItem *delitem = first;
QString str = pre;
if (!str.isEmpty())
str += ":";
str += first->text(0).toLatin1();
if (first->firstChild() && clearUnused(first->firstChild(), str))
delitem = NULL;
if (delitem && TemplateMap.find(str) != TemplateMap.end())
delitem = NULL;
first = first->nextSibling();
if (!delitem)
ret = true;
else
delete delitem;
}
return ret;
}
