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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_Collator_h
#define builtin_intl_Collator_h
#include "mozilla/Attributes.h"
#include <stdint.h>
#include "builtin/SelfHostingDefines.h"
#include "js/Class.h"
#include "vm/NativeObject.h"
struct UCollator;
namespace js {
/******************** Collator ********************/
class CollatorObject : public NativeObject {
public:
static const JSClass class_;
static const JSClass& protoClass_;
static constexpr uint32_t INTERNALS_SLOT = 0;
static constexpr uint32_t UCOLLATOR_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 UCollator (see IcuMemoryUsage).
static constexpr size_t EstimatedMemoryUse = 1128;
UCollator* getCollator() const {
const auto& slot = getFixedSlot(UCOLLATOR_SLOT);
if (slot.isUndefined()) {
return nullptr;
}
return static_cast<UCollator*>(slot.toPrivate());
}
void setCollator(UCollator* collator) {
setFixedSlot(UCOLLATOR_SLOT, PrivateValue(collator));
}
private:
static const JSClassOps classOps_;
static const ClassSpec classSpec_;
static void finalize(JSFreeOp* fop, JSObject* obj);
};
/**
* Returns a new instance of the standard built-in Collator constructor.
* Self-hosted code cannot cache this constructor (as it does for others in
* Utilities.js) because it is initialized after self-hosted code is compiled.
*
* Usage: collator = intl_Collator(locales, options)
*/
extern MOZ_MUST_USE bool intl_Collator(JSContext* cx, unsigned argc,
JS::Value* vp);
/**
* Returns an array with the collation type identifiers per Unicode
* Technical Standard 35, Unicode Locale Data Markup Language, for the
* collations supported for the given locale. "standard" and "search" are
* excluded.
*
* Usage: collations = intl_availableCollations(locale)
*/
extern MOZ_MUST_USE bool intl_availableCollations(JSContext* cx, unsigned argc,
JS::Value* vp);
/**
* Compares x and y (which must be String values), and returns a number less
* than 0 if x < y, 0 if x = y, or a number greater than 0 if x > y according
* to the sort order for the locale and collation options of the given
* Collator.
*
* Spec: ECMAScript Internationalization API Specification, 10.3.2.
*
* Usage: result = intl_CompareStrings(collator, x, y)
*/
extern MOZ_MUST_USE bool intl_CompareStrings(JSContext* cx, unsigned argc,
JS::Value* vp);
/**
* Returns true if the given locale sorts upper-case before lower-case
* characters.
*
* Usage: result = intl_isUpperCaseFirst(locale)
*/
extern MOZ_MUST_USE bool intl_isUpperCaseFirst(JSContext* cx, unsigned argc,
JS::Value* vp);
} // namespace js
#endif /* builtin_intl_Collator_h */
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