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-rw-r--r--xpcom/glue/nsTArray.h84
-rw-r--r--xpcom/string/nsTSubstring.h83
2 files changed, 167 insertions, 0 deletions
diff --git a/xpcom/glue/nsTArray.h b/xpcom/glue/nsTArray.h
index ca74a41f76..c86772a8e9 100644
--- a/xpcom/glue/nsTArray.h
+++ b/xpcom/glue/nsTArray.h
@@ -19,6 +19,7 @@
#include "mozilla/Move.h"
#include "mozilla/ReverseIterator.h"
#include "mozilla/TypeTraits.h"
+#include "mozilla/Span.h"
#include <string.h>
@@ -1112,6 +1113,18 @@ public:
const_reverse_iterator rend() const { return const_reverse_iterator(begin()); }
const_reverse_iterator crend() const { return rend(); }
+ // Span integration
+
+ operator mozilla::Span<elem_type>()
+ {
+ return mozilla::Span<elem_type>(Elements(), Length());
+ }
+
+ operator mozilla::Span<const elem_type>() const
+ {
+ return mozilla::Span<const elem_type>(Elements(), Length());
+ }
+
//
// Search methods
//
@@ -1336,6 +1349,16 @@ protected:
return ReplaceElementsAt<Item, ActualAlloc>(
aStart, aCount, aArray.Elements(), aArray.Length());
}
+
+ template<class Item, typename ActualAlloc = Alloc>
+ elem_type* ReplaceElementsAt(index_type aStart,
+ size_type aCount,
+ mozilla::Span<const Item> aSpan)
+ {
+ return ReplaceElementsAt<Item, ActualAlloc>(
+ aStart, aCount, aSpan.Elements(), aSpan.Length());
+ }
+
public:
template<class Item>
@@ -1347,6 +1370,15 @@ public:
return ReplaceElementsAt<Item, FallibleAlloc>(aStart, aCount, aArray);
}
+ template<class Item>
+ MOZ_MUST_USE elem_type* ReplaceElementsAt(index_type aStart,
+ size_type aCount,
+ mozilla::Span<const Item> aSpan,
+ const mozilla::fallible_t&)
+ {
+ return ReplaceElementsAt<Item, FallibleAlloc>(aStart, aCount, aSpan);
+ }
+
// A variation on the ReplaceElementsAt method defined above.
protected:
template<class Item, typename ActualAlloc = Alloc>
@@ -1399,6 +1431,15 @@ protected:
return ReplaceElementsAt<Item, ActualAlloc>(
aIndex, 0, aArray.Elements(), aArray.Length());
}
+
+ template<class Item, typename ActualAlloc = Alloc>
+ elem_type* InsertElementsAt(index_type aIndex,
+ mozilla::Span<const Item> aSpan)
+ {
+ return ReplaceElementsAt<Item, ActualAlloc>(
+ aIndex, 0, aSpan.Elements(), aSpan.Length());
+ }
+
public:
template<class Item, class Allocator>
@@ -1425,6 +1466,14 @@ public:
return InsertElementAt<FallibleAlloc>(aIndex);
}
+ template<class Item>
+ MOZ_MUST_USE elem_type* InsertElementsAt(index_type aIndex,
+ mozilla::Span<const Item> aSpan,
+ const mozilla::fallible_t&)
+ {
+ return InsertElementsAt<Item, FallibleAlloc>(aIndex, aSpan);
+ }
+
// Insert a new element, move constructing if possible.
protected:
template<class Item, typename ActualAlloc = Alloc>
@@ -1526,6 +1575,13 @@ protected:
template<class Item, typename ActualAlloc = Alloc>
elem_type* AppendElements(const Item* aArray, size_type aArrayLen);
+ template<class Item, typename ActualAlloc = Alloc>
+ elem_type* AppendElements(mozilla::Span<const Item> aSpan)
+ {
+ return AppendElements<Item, FallibleAlloc>(aSpan.Elements(),
+ aSpan.Length());
+ }
+
public:
template<class Item>
@@ -1536,6 +1592,15 @@ public:
return AppendElements<Item, FallibleAlloc>(aArray, aArrayLen);
}
+ template<class Item>
+ /* MOZ_MUST_USE */
+ elem_type* AppendElements(mozilla::Span<const Item> aSpan,
+ const mozilla::fallible_t&)
+ {
+ return AppendElements<Item, FallibleAlloc>(aSpan.Elements(),
+ aSpan.Length());
+ }
+
// A variation on the AppendElements method defined above.
protected:
template<class Item, class Allocator, typename ActualAlloc = Alloc>
@@ -2347,6 +2412,25 @@ struct nsTArray_CopyChooser<AutoTArray<E, N>>
typedef nsTArray_CopyWithConstructors<AutoTArray<E, N>> Type;
};
+// Span integration
+namespace mozilla {
+
+template<class ElementType, class TArrayAlloc>
+Span<ElementType>
+MakeSpan(nsTArray_Impl<ElementType, TArrayAlloc>& aTArray)
+{
+ return aTArray;
+}
+
+template<class ElementType, class TArrayAlloc>
+Span<const ElementType>
+MakeSpan(const nsTArray_Impl<ElementType, TArrayAlloc>& aTArray)
+{
+ return aTArray;
+}
+
+} // namespace mozilla
+
// Assert that AutoTArray doesn't have any extra padding inside.
//
// It's important that the data stored in this auto array takes up a multiple of
diff --git a/xpcom/string/nsTSubstring.h b/xpcom/string/nsTSubstring.h
index a08036b1f0..53b4fb9a82 100644
--- a/xpcom/string/nsTSubstring.h
+++ b/xpcom/string/nsTSubstring.h
@@ -7,6 +7,8 @@
#include "mozilla/Casting.h"
#include "mozilla/MemoryReporting.h"
+#include "mozilla/IntegerTypeTraits.h"
+#include "mozilla/Span.h"
#ifndef MOZILLA_INTERNAL_API
#error Cannot use internal string classes without MOZILLA_INTERNAL_API defined. Use the frozen header nsStringAPI.h instead.
@@ -798,6 +800,68 @@ public:
}
#endif
+ /**
+ * Span integration
+ */
+
+ operator mozilla::Span<char_type>()
+ {
+ return mozilla::MakeSpan(BeginWriting(), Length());
+ }
+
+ operator mozilla::Span<const char_type>() const
+ {
+ return mozilla::MakeSpan(BeginReading(), Length());
+ }
+
+ void Append(mozilla::Span<const char_type> aSpan)
+ {
+ auto len = aSpan.Length();
+ MOZ_RELEASE_ASSERT(len <= mozilla::MaxValue<size_type>::value);
+ Append(aSpan.Elements(), len);
+ }
+
+ MOZ_MUST_USE bool Append(mozilla::Span<const char_type> aSpan,
+ const fallible_t& aFallible)
+ {
+ auto len = aSpan.Length();
+ if (len > mozilla::MaxValue<size_type>::value) {
+ return false;
+ }
+ return Append(aSpan.Elements(), len, aFallible);
+ }
+
+#if !defined(CharT_is_PRUnichar)
+ operator mozilla::Span<uint8_t>()
+ {
+ return mozilla::MakeSpan(reinterpret_cast<uint8_t*>(BeginWriting()),
+ Length());
+ }
+
+ operator mozilla::Span<const uint8_t>() const
+ {
+ return mozilla::MakeSpan(reinterpret_cast<const uint8_t*>(BeginReading()),
+ Length());
+ }
+
+ void Append(mozilla::Span<const uint8_t> aSpan)
+ {
+ auto len = aSpan.Length();
+ MOZ_RELEASE_ASSERT(len <= mozilla::MaxValue<size_type>::value);
+ Append(reinterpret_cast<const char*>(aSpan.Elements()), len);
+ }
+
+ MOZ_MUST_USE bool Append(mozilla::Span<const uint8_t> aSpan,
+ const fallible_t& aFallible)
+ {
+ auto len = aSpan.Length();
+ if (len > mozilla::MaxValue<size_type>::value) {
+ return false;
+ }
+ return Append(
+ reinterpret_cast<const char*>(aSpan.Elements()), len, aFallible);
+ }
+#endif
/**
* string data is never null, but can be marked void. if true, the
@@ -1184,3 +1248,22 @@ operator>(const nsTSubstring_CharT::base_string_type& aLhs,
{
return Compare(aLhs, aRhs) > 0;
}
+
+/**
+ * Span integration
+ */
+namespace mozilla {
+
+inline Span<CharT>
+MakeSpan(nsTSubstring_CharT& aString)
+{
+ return aString;
+}
+
+inline Span<const CharT>
+MakeSpan(const nsTSubstring_CharT& aString)
+{
+ return aString;
+}
+
+} // namespace mozilla
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-15 08:58:06 +0000