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80 lines
2.7 KiB
80 lines
2.7 KiB
// Copyright 2017 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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#ifndef FXJS_CFX_V8_H_
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#define FXJS_CFX_V8_H_
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#include <vector>
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#include "core/fxcrt/fx_string.h"
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#include "core/fxcrt/unowned_ptr.h"
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#include "v8/include/v8.h"
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class CFX_V8 {
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public:
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explicit CFX_V8(v8::Isolate* pIsolate);
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virtual ~CFX_V8();
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v8::Isolate* GetIsolate() const { return m_pIsolate.Get(); }
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v8::Local<v8::Value> NewNull();
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v8::Local<v8::Value> NewUndefined();
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v8::Local<v8::Array> NewArray();
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v8::Local<v8::Object> NewObject();
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v8::Local<v8::Number> NewNumber(int number);
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v8::Local<v8::Number> NewNumber(double number);
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v8::Local<v8::Number> NewNumber(float number);
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v8::Local<v8::Boolean> NewBoolean(bool b);
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v8::Local<v8::String> NewString(ByteStringView str);
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v8::Local<v8::String> NewString(WideStringView str);
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v8::Local<v8::Date> NewDate(double d);
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int ToInt32(v8::Local<v8::Value> pValue);
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bool ToBoolean(v8::Local<v8::Value> pValue);
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double ToDouble(v8::Local<v8::Value> pValue);
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WideString ToWideString(v8::Local<v8::Value> pValue);
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ByteString ToByteString(v8::Local<v8::Value> pValue);
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v8::Local<v8::Object> ToObject(v8::Local<v8::Value> pValue);
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v8::Local<v8::Array> ToArray(v8::Local<v8::Value> pValue);
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// Arrays.
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unsigned GetArrayLength(v8::Local<v8::Array> pArray);
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v8::Local<v8::Value> GetArrayElement(v8::Local<v8::Array> pArray,
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unsigned index);
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bool PutArrayElement(v8::Local<v8::Array> pArray,
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unsigned index,
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v8::Local<v8::Value> pValue);
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// Objects.
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std::vector<WideString> GetObjectPropertyNames(v8::Local<v8::Object> pObj);
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v8::Local<v8::Value> GetObjectProperty(v8::Local<v8::Object> pObj,
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ByteStringView bsUTF8PropertyName);
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bool PutObjectProperty(v8::Local<v8::Object> pObj,
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ByteStringView bsUTF8PropertyName,
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v8::Local<v8::Value> pValue);
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protected:
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void SetIsolate(v8::Isolate* pIsolate) { m_pIsolate = pIsolate; }
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void DisposeIsolate();
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private:
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UnownedPtr<v8::Isolate> m_pIsolate;
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};
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class CFX_V8ArrayBufferAllocator final : public v8::ArrayBuffer::Allocator {
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static const size_t kMaxAllowedBytes = 0x10000000;
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void* Allocate(size_t length) override;
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void* AllocateUninitialized(size_t length) override;
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void Free(void* data, size_t length) override;
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};
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// Use with std::unique_ptr<v8::Isolate> to dispose of isolates correctly.
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struct CFX_V8IsolateDeleter {
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inline void operator()(v8::Isolate* ptr) { ptr->Dispose(); }
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};
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#endif // FXJS_CFX_V8_H_
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