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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
#include "fxjs/js_define.h"
#include <algorithm>
#include <cmath>
#include <limits>
#include <vector>
#include "core/fxcrt/fx_extension.h"
#include "fxjs/cjs_document.h"
#include "fxjs/cjs_object.h"
#include "fxjs/fx_date_helpers.h"
#include "fxjs/fxv8.h"
void JSDestructor(v8::Local<v8::Object> obj) {
CFXJS_Engine::SetObjectPrivate(obj, nullptr);
}
double JS_DateParse(const WideString& str) {
v8::Isolate* pIsolate = v8::Isolate::GetCurrent();
v8::Isolate::Scope isolate_scope(pIsolate);
v8::HandleScope scope(pIsolate);
v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
// Use the built-in object method.
v8::Local<v8::Value> v =
context->Global()
->Get(context, fxv8::NewStringHelper(pIsolate, "Date"))
.ToLocalChecked();
if (v->IsObject()) {
v8::Local<v8::Object> o = v->ToObject(context).ToLocalChecked();
v = o->Get(context, fxv8::NewStringHelper(pIsolate, "parse"))
.ToLocalChecked();
if (v->IsFunction()) {
v8::Local<v8::Function> funC = v8::Local<v8::Function>::Cast(v);
const int argc = 1;
v8::Local<v8::String> timeStr =
fxv8::NewStringHelper(pIsolate, str.AsStringView());
v8::Local<v8::Value> argv[argc] = {timeStr};
v = funC->Call(context, context->Global(), argc, argv).ToLocalChecked();
if (v->IsNumber()) {
double date = v->ToNumber(context).ToLocalChecked()->Value();
if (!std::isfinite(date))
return date;
return FX_LocalTime(date);
}
}
}
return 0;
}
std::vector<v8::Local<v8::Value>> ExpandKeywordParams(
CJS_Runtime* pRuntime,
const std::vector<v8::Local<v8::Value>>& originals,
size_t nKeywords,
...) {
ASSERT(nKeywords);
std::vector<v8::Local<v8::Value>> result(nKeywords, v8::Local<v8::Value>());
size_t size = std::min(originals.size(), nKeywords);
for (size_t i = 0; i < size; ++i)
result[i] = originals[i];
if (originals.size() != 1 || !originals[0]->IsObject() ||
originals[0]->IsArray()) {
return result;
}
result[0] = v8::Local<v8::Value>(); // Make unknown.
v8::Local<v8::Object> pObj = pRuntime->ToObject(originals[0]);
va_list ap;
va_start(ap, nKeywords);
for (size_t i = 0; i < nKeywords; ++i) {
const char* property = va_arg(ap, const char*);
v8::Local<v8::Value> v8Value = pRuntime->GetObjectProperty(pObj, property);
if (!v8Value->IsUndefined())
result[i] = v8Value;
}
va_end(ap);
return result;
}
bool IsExpandedParamKnown(v8::Local<v8::Value> value) {
return !value.IsEmpty() &&
(value->IsString() || value->IsNumber() || value->IsBoolean() ||
value->IsDate() || value->IsObject() || value->IsNull() ||
value->IsUndefined());
}