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-rw-r--r--js/src/builtin/intl/RelativeTimeFormat.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/js/src/builtin/intl/RelativeTimeFormat.h b/js/src/builtin/intl/RelativeTimeFormat.h
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+++ b/js/src/builtin/intl/RelativeTimeFormat.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef builtin_intl_RelativeTimeFormat_h
+#define builtin_intl_RelativeTimeFormat_h
+
+#include "mozilla/intl/NumberPart.h"
+
+#include <stdint.h>
+
+#include "builtin/SelfHostingDefines.h"
+#include "gc/Barrier.h"
+#include "js/Class.h"
+#include "vm/NativeObject.h"
+
+namespace mozilla::intl {
+class RelativeTimeFormat;
+}
+
+namespace js {
+
+class RelativeTimeFormatObject : public NativeObject {
+ public:
+ static const JSClass class_;
+ static const JSClass& protoClass_;
+
+ static constexpr uint32_t INTERNALS_SLOT = 0;
+ static constexpr uint32_t URELATIVE_TIME_FORMAT_SLOT = 1;
+ static constexpr uint32_t SLOT_COUNT = 2;
+
+ static_assert(INTERNALS_SLOT == INTL_INTERNALS_OBJECT_SLOT,
+ "INTERNALS_SLOT must match self-hosting define for internals "
+ "object slot");
+
+ // Estimated memory use for URelativeDateTimeFormatter (see IcuMemoryUsage).
+ static constexpr size_t EstimatedMemoryUse = 8188;
+
+ mozilla::intl::RelativeTimeFormat* getRelativeTimeFormatter() const {
+ const auto& slot = getFixedSlot(URELATIVE_TIME_FORMAT_SLOT);
+ if (slot.isUndefined()) {
+ return nullptr;
+ }
+ return static_cast<mozilla::intl::RelativeTimeFormat*>(slot.toPrivate());
+ }
+
+ void setRelativeTimeFormatter(mozilla::intl::RelativeTimeFormat* rtf) {
+ setFixedSlot(URELATIVE_TIME_FORMAT_SLOT, PrivateValue(rtf));
+ }
+
+ private:
+ static const JSClassOps classOps_;
+ static const ClassSpec classSpec_;
+
+ static void finalize(JS::GCContext* gcx, JSObject* obj);
+};
+
+/**
+ * Returns a relative time as a string formatted according to the effective
+ * locale and the formatting options of the given RelativeTimeFormat.
+ *
+ * |t| should be a number representing a number to be formatted.
+ * |unit| should be "second", "minute", "hour", "day", "week", "month",
+ * "quarter", or "year".
+ * |numeric| should be "always" or "auto".
+ *
+ * Usage: formatted = intl_FormatRelativeTime(relativeTimeFormat, t,
+ * unit, numeric, formatToParts)
+ */
+[[nodiscard]] extern bool intl_FormatRelativeTime(JSContext* cx, unsigned argc,
+ JS::Value* vp);
+
+namespace intl {
+
+using FieldType = js::ImmutableTenuredPtr<PropertyName*> JSAtomState::*;
+
+[[nodiscard]] bool FormattedRelativeTimeToParts(
+ JSContext* cx, HandleString str,
+ const mozilla::intl::NumberPartVector& parts, FieldType relativeTimeUnit,
+ MutableHandleValue result);
+
+} // namespace intl
+} // namespace js
+
+#endif /* builtin_intl_RelativeTimeFormat_h */