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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_CommonFunctions_h
#define builtin_intl_CommonFunctions_h
#include <stddef.h>
#include <stdint.h>
#include <string_view>
#include "js/ProtoKey.h"
#include "js/RootingAPI.h"
#include "js/TypeDecls.h"
#include "js/Utility.h"
namespace mozilla::intl {
enum class ICUError : uint8_t;
}
namespace JS {
class CallArgs;
}
namespace js::intl {
/**
* ChainDateTimeFormat ( dateTimeFormat, newTarget, this )
* ChainNumberFormat ( numberFormat, newTarget, this )
*/
extern bool ChainLegacyIntlFormat(JSContext* cx, JSProtoKey protoKey,
const JS::CallArgs& args,
JS::Handle<JSObject*> format);
/**
* UnwrapDateTimeFormat ( dtf )
* UnwrapNumberFormat ( nf )
*/
extern bool UnwrapLegacyIntlFormat(JSContext* cx, JSProtoKey protoKey,
JS::Handle<JSObject*> format,
JS::MutableHandle<JS::Value> result);
/** Report an Intl internal error not directly tied to a spec step. */
extern void ReportInternalError(JSContext* cx);
/** Report an Intl internal error not directly tied to a spec step. */
extern void ReportInternalError(JSContext* cx, mozilla::intl::ICUError error);
/**
* The last-ditch locale is used if none of the available locales satisfies a
* request. "en-GB" is used based on the assumptions that English is the most
* common second language, that both en-GB and en-US are normally available in
* an implementation, and that en-GB is more representative of the English used
* in other locales.
*/
static constexpr std::string_view LastDitchLocale() { return "en-GB"; }
extern JS::UniqueChars EncodeLocale(JSContext* cx, JSString* locale);
// The inline capacity we use for a Vector<char16_t>. Use this to ensure that
// our uses of ICU string functions, below and elsewhere, will try to fill the
// buffer's entire inline capacity before growing it and heap-allocating.
constexpr size_t INITIAL_CHAR_BUFFER_SIZE = 32;
void AddICUCellMemory(JSObject* obj, size_t nbytes);
void RemoveICUCellMemory(JSObject* obj, size_t nbytes);
void RemoveICUCellMemory(JS::GCContext* gcx, JSObject* obj, size_t nbytes);
} // namespace js::intl
#endif /* builtin_intl_CommonFunctions_h */