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// Copyright 2017 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_FGAS_CRT_CFGAS_STRINGFORMATTER_H_
#define XFA_FGAS_CRT_CFGAS_STRINGFORMATTER_H_
#include <vector>
#include "core/fxcrt/fx_string.h"
#include "third_party/base/span.h"
#include "xfa/fgas/crt/locale_iface.h"
class CFX_DateTime;
class LocaleMgrIface;
bool FX_DateFromCanonical(pdfium::span<const wchar_t> wsTime,
CFX_DateTime* datetime);
bool FX_TimeFromCanonical(const LocaleIface* pLocale,
pdfium::span<const wchar_t> wsTime,
CFX_DateTime* datetime);
class CFGAS_StringFormatter {
public:
enum class Category {
kUnknown,
kDate,
kTime,
kDateTime,
kNum,
kText,
kZero,
kNull,
};
enum class DateTimeType {
kUnknown,
kDate,
kTime,
kDateTime,
kTimeDate,
};
explicit CFGAS_StringFormatter(const WideString& wsPattern);
~CFGAS_StringFormatter();
static std::vector<WideString> SplitOnBars(const WideString& wsFormatString);
Category GetCategory() const;
bool ParseText(const WideString& wsSrcText, WideString* wsValue) const;
bool ParseNum(LocaleMgrIface* pLocaleMgr,
const WideString& wsSrcNum,
WideString* wsValue) const;
bool ParseDateTime(LocaleMgrIface* pLocaleMgr,
const WideString& wsSrcDateTime,
DateTimeType eDateTimeType,
CFX_DateTime* dtValue) const;
bool ParseZero(const WideString& wsSrcText) const;
bool ParseNull(const WideString& wsSrcText) const;
bool FormatText(const WideString& wsSrcText, WideString* wsOutput) const;
bool FormatNum(LocaleMgrIface* pLocaleMgr,
const WideString& wsSrcNum,
WideString* wsOutput) const;
bool FormatDateTime(LocaleMgrIface* pLocaleMgr,
const WideString& wsSrcDateTime,
DateTimeType eDateTimeType,
WideString* wsOutput) const;
bool FormatZero(WideString* wsOutput) const;
bool FormatNull(WideString* wsOutput) const;
private:
WideString GetTextFormat(WideStringView wsCategory) const;
LocaleIface* GetNumericFormat(LocaleMgrIface* pLocaleMgr,
size_t* iDotIndex,
uint32_t* dwStyle,
WideString* wsPurgePattern) const;
DateTimeType GetDateTimeFormat(LocaleMgrIface* pLocaleMgr,
LocaleIface** pLocale,
WideString* wsDatePattern,
WideString* wsTimePattern) const;
const WideString m_wsPattern; // keep pattern string alive.
const pdfium::span<const wchar_t> m_spPattern; // span into |m_wsPattern|.
};
#endif // XFA_FGAS_CRT_CFGAS_STRINGFORMATTER_H_