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// Copyright 2013 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_INTL_SUPPORT
#error Internationalization is expected to be enabled.
#endif // V8_INTL_SUPPORT
#ifndef V8_OBJECTS_INTL_OBJECTS_H_
#define V8_OBJECTS_INTL_OBJECTS_H_
#include "src/objects.h"
#include "unicode/uversion.h"
namespace U_ICU_NAMESPACE {
class BreakIterator;
class Collator;
class DecimalFormat;
class PluralRules;
class SimpleDateFormat;
}
namespace v8 {
namespace internal {
template <typename T>
class Handle;
class DateFormat {
public:
// Create a formatter for the specificied locale and options. Returns the
// resolved settings for the locale / options.
static icu::SimpleDateFormat* InitializeDateTimeFormat(
Isolate* isolate, Handle<String> locale, Handle<JSObject> options,
Handle<JSObject> resolved);
// Unpacks date format object from corresponding JavaScript object.
static icu::SimpleDateFormat* UnpackDateFormat(Isolate* isolate,
Handle<JSObject> obj);
// Release memory we allocated for the DateFormat once the JS object that
// holds the pointer gets garbage collected.
static void DeleteDateFormat(const v8::WeakCallbackInfo<void>& data);
// Layout description.
static const int kSimpleDateFormat = JSObject::kHeaderSize;
static const int kSize = kSimpleDateFormat + kPointerSize;
private:
DateFormat();
};
class NumberFormat {
public:
// Create a formatter for the specificied locale and options. Returns the
// resolved settings for the locale / options.
static icu::DecimalFormat* InitializeNumberFormat(Isolate* isolate,
Handle<String> locale,
Handle<JSObject> options,
Handle<JSObject> resolved);
// Unpacks number format object from corresponding JavaScript object.
static icu::DecimalFormat* UnpackNumberFormat(Isolate* isolate,
Handle<JSObject> obj);
// Release memory we allocated for the NumberFormat once the JS object that
// holds the pointer gets garbage collected.
static void DeleteNumberFormat(const v8::WeakCallbackInfo<void>& data);
// Layout description.
static const int kDecimalFormat = JSObject::kHeaderSize;
static const int kSize = kDecimalFormat + kPointerSize;
private:
NumberFormat();
};
class Collator {
public:
// Create a collator for the specificied locale and options. Returns the
// resolved settings for the locale / options.
static icu::Collator* InitializeCollator(Isolate* isolate,
Handle<String> locale,
Handle<JSObject> options,
Handle<JSObject> resolved);
// Unpacks collator object from corresponding JavaScript object.
static icu::Collator* UnpackCollator(Isolate* isolate, Handle<JSObject> obj);
// Release memory we allocated for the Collator once the JS object that holds
// the pointer gets garbage collected.
static void DeleteCollator(const v8::WeakCallbackInfo<void>& data);
// Layout description.
static const int kCollator = JSObject::kHeaderSize;
static const int kSize = kCollator + kPointerSize;
private:
Collator();
};
class PluralRules {
public:
// Create a PluralRules and DecimalFormat for the specificied locale and
// options. Returns false on an ICU failure.
static bool InitializePluralRules(Isolate* isolate, Handle<String> locale,
Handle<JSObject> options,
Handle<JSObject> resolved,
icu::PluralRules** plural_rules,
icu::DecimalFormat** decimal_format);
// Unpacks PluralRules object from corresponding JavaScript object.
static icu::PluralRules* UnpackPluralRules(Isolate* isolate,
Handle<JSObject> obj);
// Unpacks NumberFormat object from corresponding JavaScript PluralRUles
// object.
static icu::DecimalFormat* UnpackNumberFormat(Isolate* isolate,
Handle<JSObject> obj);
// Release memory we allocated for the Collator once the JS object that holds
// the pointer gets garbage collected.
static void DeletePluralRules(const v8::WeakCallbackInfo<void>& data);
// Layout description.
static const int kPluralRules = JSObject::kHeaderSize;
// Values are formatted with this NumberFormat and then parsed as a Number
// to round them based on the options passed into the PluralRules objct.
// TODO(littledan): If a future version of ICU supports the rounding
// built-in to PluralRules, switch to that, see this bug:
// http://bugs.icu-project.org/trac/ticket/12763
static const int kNumberFormat = kPluralRules + kPointerSize;
static const int kSize = kNumberFormat + kPointerSize;
private:
PluralRules();
};
class V8BreakIterator {
public:
// Create a BreakIterator for the specificied locale and options. Returns the
// resolved settings for the locale / options.
static icu::BreakIterator* InitializeBreakIterator(Isolate* isolate,
Handle<String> locale,
Handle<JSObject> options,
Handle<JSObject> resolved);
// Unpacks break iterator object from corresponding JavaScript object.
static icu::BreakIterator* UnpackBreakIterator(Isolate* isolate,
Handle<JSObject> obj);
// Release memory we allocated for the BreakIterator once the JS object that
// holds the pointer gets garbage collected.
static void DeleteBreakIterator(const v8::WeakCallbackInfo<void>& data);
// Layout description.
static const int kBreakIterator = JSObject::kHeaderSize;
static const int kUnicodeString = kBreakIterator + kPointerSize;
static const int kSize = kUnicodeString + kPointerSize;
private:
V8BreakIterator();
};
} // namespace internal
} // namespace v8
#endif // V8_OBJECTS_INTL_OBJECTS_H_
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