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Code Issues Releases Wiki Activity

Better way to construct SetListingView

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This commit is contained in:
King_DuckZ 2016-02-12 20:14:12 +01:00
parent 2a7b8437ed
commit bed191c4fc
3 changed files with 32 additions and 27 deletions
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47
include/dindexer-machinery/set_listing.hpp
View file

@ -54,33 +54,14 @@ namespace mchlib {
};
};
class SetListing {
friend class SetListingView;
public:
typedef std::vector<FileRecordData> ListType;
typedef implem::DirIterator const_iterator;
explicit SetListing ( ListType&& parList, bool parSort=true );
~SetListing ( void ) noexcept;
const_iterator begin ( void ) const;
const_iterator cbegin ( void ) const;
const_iterator end ( void ) const;
const_iterator cend ( void ) const;
//ListType descend_copy ( const const_iterator& parItem ) const;
private:
ListType m_list;
};
class SetListingView {
public:
typedef SetListing::const_iterator const_iterator;
typedef SetListing::ListType::const_iterator list_iterator;
typedef implem::DirIterator const_iterator;
typedef std::vector<FileRecordData>::const_iterator list_iterator;
explicit SetListingView ( const const_iterator& parIter );
explicit SetListingView ( const SetListing& parListing );
SetListingView ( list_iterator parBeg, list_iterator parEnd );
SetListingView ( SetListingView&& ) = default;
~SetListingView ( void ) noexcept = default;
const_iterator begin ( void ) const;
@ -92,6 +73,26 @@ namespace mchlib {
list_iterator m_begin;
list_iterator m_end;
};
class SetListing {
public:
typedef std::vector<FileRecordData> ListType;
typedef SetListingView::const_iterator const_iterator;
explicit SetListing ( ListType&& parList, bool parSort=true );
~SetListing ( void ) noexcept;
const_iterator begin ( void ) const;
const_iterator cbegin ( void ) const;
const_iterator end ( void ) const;
const_iterator cend ( void ) const;
//ListType descend_copy ( const const_iterator& parItem ) const;
SetListingView make_view ( void ) const;
private:
ListType m_list;
};
} //namespace mchlib
#endif

10
src/machinery/set_listing.cpp
View file

@ -145,15 +145,19 @@ namespace mchlib {
return const_iterator(m_list.end(), m_list.end(), std::unique_ptr<PathName>());
}
SetListingView SetListing::make_view() const {
return SetListingView(m_list.begin(), m_list.end());
}
SetListingView::SetListingView (const const_iterator& parIter) :
m_begin(parIter.m_current),
m_end(parIter.m_end)
{
}
SetListingView::SetListingView (const SetListing& parListing) :
m_begin(parListing.m_list.begin()),
m_end(parListing.m_list.end())
SetListingView::SetListingView (list_iterator parBeg, list_iterator parEnd) :
m_begin(parBeg),
m_end(parEnd)
{
}

2
test/unit/test_diriterator.cpp
View file

@ -175,7 +175,7 @@ TEST(machinery, diriterator) {
std::vector<std::string> flattened;
flattened.reserve(lengthof(expected_list));
flatten_filelist(SetListingView(lst), flattened);
flatten_filelist(lst.make_view(), flattened);
EXPECT_EQ(lengthof(expected_list), flattened.size());
const auto count = std::min(lengthof(expected_list), flattened.size());
for (std::size_t z = 0; z < count; ++z) {