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Add (and use) index_type typedef

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[SVN r20376]
This commit is contained in:
Raoul Gough
2003-10-14 11:21:01 +00:00
parent 26d5ca22aa
commit 82b1fd637d
2 changed files with 16 additions and 14 deletions
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22
include/boost/python/suite/indexing/slice.hpp
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@@ -39,24 +39,26 @@ namespace boost { namespace python { namespace indexing {
// This class provides a convenient interface to Python slice
// objects that contain integer bound and stride values.
integer_slice (slice const &, int sequenceLength);
typedef int index_type;
integer_slice (slice const &, index_type sequenceLength);
// integer_slice must know how big the container is so it can
// adjust for negative indexes, etc...
int start() const { return mStart; }
int step() const { return mStep; }
int stop() const { return mStop; }
index_type start() const { return mStart; }
index_type step() const { return mStep; }
index_type stop() const { return mStop; }
int size() const { return (mStop - mStart) / mStep; }
index_type size() const { return (mStop - mStart) / mStep; }
bool in_range (int index);
bool in_range (index_type index);
private:
slice mSlice;
int mStart;
int mStep;
int mStop;
int mDirection;
index_type mStart;
index_type mStep;
index_type mStop;
index_type mDirection;
};
} } }

8
src/indexing/slice.cpp
View File

@@ -31,10 +31,10 @@ boost::python::indexing::slice::slice (slice const &copy)
// integer_slice constructor
/////////////////////////////////////////////////////////////////////////////
boost::python::indexing::integer_slice::integer_slice (slice const &sl
, int sequenceLength)
boost::python::indexing::integer_slice
::integer_slice (slice const &sl, index_type sequenceLength)
: mSlice (sl)
// Leave int members uninitialized
// Leave index members uninitialized
{
PySlice_GetIndices (reinterpret_cast<PySliceObject *> (mSlice.ptr())
, sequenceLength
@@ -58,7 +58,7 @@ boost::python::indexing::integer_slice::integer_slice (slice const &sl
// Check if an index is within the range of this integer_slice
/////////////////////////////////////////////////////////////////////////////
bool boost::python::indexing::integer_slice::in_range (int index)
bool boost::python::indexing::integer_slice::in_range (index_type index)
{
return ((mStop - index) * mDirection) > 0;
}