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Allow CopyOnWriteBuffer to accept vector-like types.

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Bug: none
Change-Id: I03ee91be151e10d6b0385b462158ecd0bd9ad4ed
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/232129
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35039}
This commit is contained in:
philipel
2021-09-20 11:22:13 +02:00
committed by WebRTC LUCI CQ
parent bc7666be51
commit afc237751a
2 changed files with 40 additions and 2 deletions
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22
rtc_base/copy_on_write_buffer.h
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@ -24,6 +24,7 @@
#include "rtc_base/checks.h"
#include "rtc_base/ref_counted_object.h"
#include "rtc_base/system/rtc_export.h"
#include "rtc_base/type_traits.h"
namespace rtc {
@ -70,6 +71,17 @@ class RTC_EXPORT CopyOnWriteBuffer {
CopyOnWriteBuffer(const T (&array)[N]) // NOLINT: runtime/explicit
: CopyOnWriteBuffer(array, N) {}
// Construct a buffer from a vector like type.
template <typename VecT,
typename ElemT = typename std::remove_pointer_t<
decltype(std::declval<VecT>().data())>,
typename std::enable_if_t<
!std::is_same<VecT, CopyOnWriteBuffer>::value &&
HasDataAndSize<VecT, ElemT>::value &&
internal::BufferCompat<uint8_t, ElemT>::value>* = nullptr>
explicit CopyOnWriteBuffer(const VecT& v)
: CopyOnWriteBuffer(v.data(), v.size()) {}
~CopyOnWriteBuffer();
// Get a pointer to the data. Just .data() will give you a (const) uint8_t*,
@ -221,8 +233,14 @@ class RTC_EXPORT CopyOnWriteBuffer {
AppendData(array, N);
}
void AppendData(const CopyOnWriteBuffer& buf) {
AppendData(buf.data(), buf.size());
template <typename VecT,
typename ElemT = typename std::remove_pointer_t<
decltype(std::declval<VecT>().data())>,
typename std::enable_if_t<
HasDataAndSize<VecT, ElemT>::value &&
internal::BufferCompat<uint8_t, ElemT>::value>* = nullptr>
void AppendData(const VecT& v) {
AppendData(v.data(), v.size());
}
// Sets the size of the buffer. If the new size is smaller than the old, the