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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef XFA_FXFA_PARSER_CXFA_LOCALEMGR_H_
#define XFA_FXFA_PARSER_CXFA_LOCALEMGR_H_
#include <memory>
#include <vector>
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxcrt/widestring.h"
#include "fxjs/gc/heap.h"
#include "third_party/base/optional.h"
#include "v8/include/cppgc/garbage-collected.h"
#include "v8/include/cppgc/member.h"
#include "xfa/fgas/crt/locale_mgr_iface.h"
#include "xfa/fxfa/parser/gced_locale_iface.h"
class CXFA_Node;
class CXFA_NodeLocale;
class CXFA_XMLLocale;
class CXFA_LocaleMgr : public cppgc::GarbageCollected<CXFA_LocaleMgr>,
public LocaleMgrIface {
public:
CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED;
~CXFA_LocaleMgr() override;
void Trace(cppgc::Visitor* visitor) const;
GCedLocaleIface* GetDefLocale() override;
GCedLocaleIface* GetLocaleByName(const WideString& wsLocaleName) override;
void SetDefLocale(GCedLocaleIface* pLocale);
Optional<WideString> GetConfigLocaleName(CXFA_Node* pConfig) const;
private:
CXFA_LocaleMgr(cppgc::Heap* pHeap,
CXFA_Node* pLocaleSet,
WideString wsDeflcid);
// May allocate a new object on the cppgc heap.
CXFA_XMLLocale* GetLocale(uint16_t lcid);
UnownedPtr<cppgc::Heap> m_pHeap;
std::vector<cppgc::Member<CXFA_NodeLocale>> m_LocaleArray;
std::vector<cppgc::Member<CXFA_XMLLocale>> m_XMLLocaleArray;
cppgc::Member<GCedLocaleIface> m_pDefLocale;
// Note: three possiblities
// 1. we might never have tried to determine |m_wsConfigLocale|.
// 2. we might have tried but gotten nothing and want to continue
// to return nothing without ever trying again.
// 3. we might have tried and gotten something.
// So |m_bConfigLocaleCached| indicates whether we've already tried,
// and |m_wsConfigLocale| is the possibly nothing we got if we tried.
mutable Optional<WideString> m_wsConfigLocale;
mutable bool m_bConfigLocaleCached = false;
uint16_t m_dwDeflcid;
};
#endif // XFA_FXFA_PARSER_CXFA_LOCALEMGR_H_