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102 lines
3.3 KiB
102 lines
3.3 KiB
4 months ago
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// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "fxjs/js_define.h"
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#include <algorithm>
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#include <cmath>
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#include <limits>
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#include <vector>
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#include "core/fxcrt/fx_extension.h"
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#include "fxjs/cjs_document.h"
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#include "fxjs/cjs_object.h"
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#include "fxjs/fx_date_helpers.h"
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void JSDestructor(v8::Local<v8::Object> obj) {
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CFXJS_Engine::SetObjectPrivate(obj, nullptr);
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}
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double JS_DateParse(const WideString& str) {
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v8::Isolate* pIsolate = v8::Isolate::GetCurrent();
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v8::Isolate::Scope isolate_scope(pIsolate);
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v8::HandleScope scope(pIsolate);
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v8::Local<v8::Context> context = pIsolate->GetCurrentContext();
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// Use the built-in object method.
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v8::Local<v8::Value> v =
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context->Global()
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->Get(context, v8::String::NewFromUtf8(pIsolate, "Date",
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v8::NewStringType::kNormal)
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.ToLocalChecked())
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.ToLocalChecked();
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if (v->IsObject()) {
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v8::Local<v8::Object> o = v->ToObject(context).ToLocalChecked();
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v = o->Get(context, v8::String::NewFromUtf8(pIsolate, "parse",
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v8::NewStringType::kNormal)
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.ToLocalChecked())
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.ToLocalChecked();
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if (v->IsFunction()) {
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v8::Local<v8::Function> funC = v8::Local<v8::Function>::Cast(v);
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const int argc = 1;
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v8::Local<v8::Value> timeStr =
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v8::String::NewFromUtf8(pIsolate,
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FX_UTF8Encode(str.AsStringView()).c_str(),
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v8::NewStringType::kNormal)
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.ToLocalChecked();
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v8::Local<v8::Value> argv[argc] = {timeStr};
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v = funC->Call(context, context->Global(), argc, argv).ToLocalChecked();
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if (v->IsNumber()) {
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double date = v->ToNumber(context).ToLocalChecked()->Value();
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if (!std::isfinite(date))
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return date;
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return FX_LocalTime(date);
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}
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}
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}
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return 0;
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}
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std::vector<v8::Local<v8::Value>> ExpandKeywordParams(
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CJS_Runtime* pRuntime,
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const std::vector<v8::Local<v8::Value>>& originals,
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size_t nKeywords,
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...) {
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ASSERT(nKeywords);
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std::vector<v8::Local<v8::Value>> result(nKeywords, v8::Local<v8::Value>());
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size_t size = std::min(originals.size(), nKeywords);
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for (size_t i = 0; i < size; ++i)
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result[i] = originals[i];
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if (originals.size() != 1 || !originals[0]->IsObject() ||
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originals[0]->IsArray()) {
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return result;
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}
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result[0] = v8::Local<v8::Value>(); // Make unknown.
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v8::Local<v8::Object> pObj = pRuntime->ToObject(originals[0]);
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va_list ap;
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va_start(ap, nKeywords);
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for (size_t i = 0; i < nKeywords; ++i) {
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const char* property = va_arg(ap, const char*);
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v8::Local<v8::Value> v8Value = pRuntime->GetObjectProperty(pObj, property);
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if (!v8Value->IsUndefined())
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result[i] = v8Value;
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}
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va_end(ap);
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return result;
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}
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bool IsExpandedParamKnown(v8::Local<v8::Value> value) {
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return !value.IsEmpty() &&
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(value->IsString() || value->IsNumber() || value->IsBoolean() ||
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value->IsDate() || value->IsObject() || value->IsNull() ||
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value->IsUndefined());
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}
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