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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 FPDFSDK_JAVASCRIPT_JS_VALUE_H_
#define FPDFSDK_JAVASCRIPT_JS_VALUE_H_

#include <vector>

#include "fxjs/fxjs_v8.h"

class CJS_Document;
class CJS_Object;
class CJS_Runtime;

class CJS_Return {
 public:
  explicit CJS_Return(bool);
  explicit CJS_Return(const WideString&);
  explicit CJS_Return(v8::Local<v8::Value>);
  CJS_Return(const CJS_Return&);
  ~CJS_Return();

  bool HasError() const { return is_error_; }
  WideString Error() const { return error_; }

  bool HasReturn() const { return !return_.IsEmpty(); }
  v8::Local<v8::Value> Return() const { return return_; }

 private:
  CJS_Return() = delete;

  bool is_error_ = false;
  WideString error_;
  v8::Local<v8::Value> return_;
};

double JS_GetDateTime();
int JS_GetYearFromTime(double dt);
int JS_GetMonthFromTime(double dt);
int JS_GetDayFromTime(double dt);
int JS_GetHourFromTime(double dt);
int JS_GetMinFromTime(double dt);
int JS_GetSecFromTime(double dt);
double JS_LocalTime(double d);
double JS_DateParse(const WideString& str);
double JS_MakeDay(int nYear, int nMonth, int nDay);
double JS_MakeTime(int nHour, int nMin, int nSec, int nMs);
double JS_MakeDate(double day, double time);

// Some JS methods have the bizarre convention that they may also be called
// with a single argument which is an object containing the actual arguments
// as its properties. The varying arguments to this method are the property
// names as wchar_t string literals corresponding to each positional argument.
// The result will always contain |nKeywords| value, with unspecified ones
// being set to type VT_unknown.
std::vector<v8::Local<v8::Value>> ExpandKeywordParams(
    CJS_Runtime* pRuntime,
    const std::vector<v8::Local<v8::Value>>& originals,
    size_t nKeywords,
    ...);

#endif  // FPDFSDK_JAVASCRIPT_JS_VALUE_H_