111 lines
5.2 KiB
C++
111 lines
5.2 KiB
C++
// Copyright 2020 The PDFium Authors
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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_FXV8_H_
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#define FXJS_FXV8_H_
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#include <stddef.h>
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#include <vector>
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#include "core/fxcrt/fx_string.h"
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#include "third_party/base/span.h"
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#include "v8/include/v8-forward.h"
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// The fxv8 functions soften up the interface to the V8 API. In particular,
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// PDFium uses size_t for sizes and indices, but V8 mostly uses ints, so
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// these routines perform checked conversions.
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namespace fxv8 {
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// These first check for empty locals.
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bool IsUndefined(v8::Local<v8::Value> value);
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bool IsNull(v8::Local<v8::Value> value);
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bool IsBoolean(v8::Local<v8::Value> value);
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bool IsString(v8::Local<v8::Value> value);
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bool IsNumber(v8::Local<v8::Value> value);
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bool IsInteger(v8::Local<v8::Value> value);
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bool IsObject(v8::Local<v8::Value> value);
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bool IsArray(v8::Local<v8::Value> value);
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bool IsDate(v8::Local<v8::Value> value);
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bool IsFunction(v8::Local<v8::Value> value);
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v8::Local<v8::Value> NewNullHelper(v8::Isolate* pIsolate);
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v8::Local<v8::Value> NewUndefinedHelper(v8::Isolate* pIsolate);
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v8::Local<v8::Number> NewNumberHelper(v8::Isolate* pIsolate, int number);
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v8::Local<v8::Number> NewNumberHelper(v8::Isolate* pIsolate, double number);
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v8::Local<v8::Number> NewNumberHelper(v8::Isolate* pIsolate, float number);
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v8::Local<v8::Boolean> NewBooleanHelper(v8::Isolate* pIsolate, bool b);
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v8::Local<v8::String> NewStringHelper(v8::Isolate* pIsolate,
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ByteStringView str);
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v8::Local<v8::String> NewStringHelper(v8::Isolate* pIsolate,
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WideStringView str);
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v8::Local<v8::Array> NewArrayHelper(v8::Isolate* pIsolate);
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v8::Local<v8::Array> NewArrayHelper(v8::Isolate* pIsolate,
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pdfium::span<v8::Local<v8::Value>> values);
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v8::Local<v8::Object> NewObjectHelper(v8::Isolate* pIsolate);
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v8::Local<v8::Date> NewDateHelper(v8::Isolate* pIsolate, double d);
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// Conversion to PDFium type without re-entry from known v8 type.
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WideString ToWideString(v8::Isolate* pIsolate, v8::Local<v8::String> pValue);
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ByteString ToByteString(v8::Isolate* pIsolate, v8::Local<v8::String> pValue);
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// Conversion to PDFium type with possible re-entry for coercion.
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int32_t ReentrantToInt32Helper(v8::Isolate* pIsolate,
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v8::Local<v8::Value> pValue);
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bool ReentrantToBooleanHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Value> pValue);
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float ReentrantToFloatHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Value> pValue);
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double ReentrantToDoubleHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Value> pValue);
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WideString ReentrantToWideStringHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Value> pValue);
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ByteString ReentrantToByteStringHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Value> pValue);
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v8::Local<v8::Object> ReentrantToObjectHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Value> pValue);
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v8::Local<v8::Array> ReentrantToArrayHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Value> pValue);
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v8::Local<v8::Value> ReentrantGetObjectPropertyHelper(
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v8::Isolate* pIsolate,
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v8::Local<v8::Object> pObj,
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ByteStringView bsUTF8PropertyName);
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std::vector<WideString> ReentrantGetObjectPropertyNamesHelper(
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v8::Isolate* pIsolate,
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v8::Local<v8::Object> pObj);
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bool ReentrantHasObjectOwnPropertyHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Object> pObj,
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ByteStringView bsUTF8PropertyName);
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bool ReentrantSetObjectOwnPropertyHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Object> pObj,
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ByteStringView bsUTF8PropertyName,
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v8::Local<v8::Value> pValue);
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bool ReentrantPutObjectPropertyHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Object> pObj,
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ByteStringView bsUTF8PropertyName,
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v8::Local<v8::Value> pPut);
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void ReentrantDeleteObjectPropertyHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Object> pObj,
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ByteStringView bsUTF8PropertyName);
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bool ReentrantPutArrayElementHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Array> pArray,
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size_t index,
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v8::Local<v8::Value> pValue);
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v8::Local<v8::Value> ReentrantGetArrayElementHelper(v8::Isolate* pIsolate,
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v8::Local<v8::Array> pArray,
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size_t index);
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size_t GetArrayLengthHelper(v8::Local<v8::Array> pArray);
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void ThrowExceptionHelper(v8::Isolate* pIsolate, ByteStringView str);
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void ThrowExceptionHelper(v8::Isolate* pIsolate, WideStringView str);
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} // namespace fxv8
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#endif // FXJS_FXV8_H_
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