diff options
Diffstat (limited to 'qpid/cpp/src/qpid/BufferRef.h')
| -rw-r--r-- | qpid/cpp/src/qpid/BufferRef.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/qpid/cpp/src/qpid/BufferRef.h b/qpid/cpp/src/qpid/BufferRef.h index bfe1f9ebaa..91525a3fc0 100644 --- a/qpid/cpp/src/qpid/BufferRef.h +++ b/qpid/cpp/src/qpid/BufferRef.h @@ -27,7 +27,11 @@ namespace qpid { -/** Template for mutable or const buffer references */ +/** Reference to a ref-counted buffer of T. + * Template for mutable or const buffer references. + * Gathers together an intrusive_ptr for refcounting and begin and end pointers + * for the buffer space. For use with RefCountedBuffer and similar classes. + */ template <class T> class BufferRefT { public: BufferRefT() : begin_(0), end_(0) {} @@ -38,8 +42,15 @@ template <class T> class BufferRefT { template <class U> BufferRefT(const BufferRefT<U>& other) : counter(other.counter), begin_(other.begin_), end_(other.end_) {} + template <class U> BufferRefT& operator=(const BufferRefT<U>& other) { + counter = other.counter; begin_ = other.begin_; end_ = other.end_; + } + T* begin() const { return begin_; } T* end() const { return end_; } + size_t size() const { return end_ - begin_; } + operator bool() const { return begin_; } + bool operator!() const { return !begin_; } /** Return a sub-buffer of the current buffer */ BufferRefT sub_buffer(T* begin, T* end) { |