diff options
Diffstat (limited to 'fpdfsdk/src/javascript/global.cpp')
| -rw-r--r-- | fpdfsdk/src/javascript/global.cpp | 520 |
1 files changed, 0 insertions, 520 deletions
diff --git a/fpdfsdk/src/javascript/global.cpp b/fpdfsdk/src/javascript/global.cpp deleted file mode 100644 index 234e132d46..0000000000 --- a/fpdfsdk/src/javascript/global.cpp +++ /dev/null @@ -1,520 +0,0 @@ -// 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 "fpdfsdk/src/javascript/global.h" - -#include <vector> - -#include "core/include/fxcrt/fx_ext.h" -#include "fpdfsdk/include/javascript/IJavaScript.h" -#include "fpdfsdk/src/javascript/JS_Context.h" -#include "fpdfsdk/src/javascript/JS_Define.h" -#include "fpdfsdk/src/javascript/JS_EventHandler.h" -#include "fpdfsdk/src/javascript/JS_GlobalData.h" -#include "fpdfsdk/src/javascript/JS_Object.h" -#include "fpdfsdk/src/javascript/JS_Value.h" -#include "fpdfsdk/src/javascript/resource.h" - -/* ---------------------------- global ---------------------------- */ - -// Helper class for compile-time calculation of hash values in order to -// avoid having global object initializers. -template <unsigned ACC, wchar_t... Ns> -struct CHash; - -// Only needed to hash single-character strings. -template <wchar_t N> -struct CHash<N> { - static const unsigned value = N; -}; - -template <unsigned ACC, wchar_t N> -struct CHash<ACC, N> { - static const unsigned value = (ACC * 1313LLU + N) & 0xFFFFFFFF; -}; - -template <unsigned ACC, wchar_t N, wchar_t... Ns> -struct CHash<ACC, N, Ns...> { - static const unsigned value = CHash<CHash<ACC, N>::value, Ns...>::value; -}; - -const unsigned int JSCONST_nStringHash = - CHash<'s', 't', 'r', 'i', 'n', 'g'>::value; -const unsigned int JSCONST_nNumberHash = - CHash<'n', 'u', 'm', 'b', 'e', 'r'>::value; -const unsigned int JSCONST_nBoolHash = - CHash<'b', 'o', 'o', 'l', 'e', 'a', 'n'>::value; -const unsigned int JSCONST_nDateHash = CHash<'d', 'a', 't', 'e'>::value; -const unsigned int JSCONST_nObjectHash = - CHash<'o', 'b', 'j', 'e', 'c', 't'>::value; -const unsigned int JSCONST_nFXobjHash = CHash<'f', 'x', 'o', 'b', 'j'>::value; -const unsigned int JSCONST_nNullHash = CHash<'n', 'u', 'l', 'l'>::value; -const unsigned int JSCONST_nUndefHash = - CHash<'u', 'n', 'd', 'e', 'f', 'i', 'n', 'e', 'd'>::value; - -static unsigned JS_CalcHash(const wchar_t* main) { - return (unsigned)FX_HashCode_String_GetW(main, FXSYS_wcslen(main)); -} - -#ifndef NDEBUG -class HashVerify { - public: - HashVerify(); -} g_hashVerify; - -HashVerify::HashVerify() { - ASSERT(JSCONST_nStringHash == JS_CalcHash(kFXJSValueNameString)); - ASSERT(JSCONST_nNumberHash == JS_CalcHash(kFXJSValueNameNumber)); - ASSERT(JSCONST_nBoolHash == JS_CalcHash(kFXJSValueNameBoolean)); - ASSERT(JSCONST_nDateHash == JS_CalcHash(kFXJSValueNameDate)); - ASSERT(JSCONST_nObjectHash == JS_CalcHash(kFXJSValueNameObject)); - ASSERT(JSCONST_nFXobjHash == JS_CalcHash(kFXJSValueNameFxobj)); - ASSERT(JSCONST_nNullHash == JS_CalcHash(kFXJSValueNameNull)); - ASSERT(JSCONST_nUndefHash == JS_CalcHash(kFXJSValueNameUndefined)); -} -#endif - -BEGIN_JS_STATIC_CONST(CJS_Global) -END_JS_STATIC_CONST() - -BEGIN_JS_STATIC_PROP(CJS_Global) -END_JS_STATIC_PROP() - -BEGIN_JS_STATIC_METHOD(CJS_Global) -JS_STATIC_METHOD_ENTRY(setPersistent) -END_JS_STATIC_METHOD() - -IMPLEMENT_SPECIAL_JS_CLASS(CJS_Global, JSGlobalAlternate, global); - -void CJS_Global::InitInstance(IJS_Runtime* pIRuntime) { - CJS_Runtime* pRuntime = static_cast<CJS_Runtime*>(pIRuntime); - JSGlobalAlternate* pGlobal = - static_cast<JSGlobalAlternate*>(GetEmbedObject()); - pGlobal->Initial(pRuntime->GetReaderApp()); -} - -JSGlobalAlternate::JSGlobalAlternate(CJS_Object* pJSObject) - : CJS_EmbedObj(pJSObject), m_pApp(NULL) { -} - -JSGlobalAlternate::~JSGlobalAlternate() { - DestroyGlobalPersisitentVariables(); - m_pGlobalData->Release(); -} - -void JSGlobalAlternate::Initial(CPDFDoc_Environment* pApp) { - m_pApp = pApp; - m_pGlobalData = CJS_GlobalData::GetRetainedInstance(pApp); - UpdateGlobalPersistentVariables(); -} - -FX_BOOL JSGlobalAlternate::QueryProperty(const FX_WCHAR* propname) { - return CFX_WideString(propname) != L"setPersistent"; -} - -FX_BOOL JSGlobalAlternate::DelProperty(IJS_Context* cc, - const FX_WCHAR* propname, - CFX_WideString& sError) { - auto it = m_mapGlobal.find(CFX_ByteString::FromUnicode(propname)); - if (it == m_mapGlobal.end()) - return FALSE; - - it->second->bDeleted = TRUE; - return TRUE; -} - -FX_BOOL JSGlobalAlternate::DoProperty(IJS_Context* cc, - const FX_WCHAR* propname, - CJS_PropValue& vp, - CFX_WideString& sError) { - if (vp.IsSetting()) { - CFX_ByteString sPropName = CFX_ByteString::FromUnicode(propname); - switch (vp.GetType()) { - case CJS_Value::VT_number: { - double dData; - vp >> dData; - return SetGlobalVariables(sPropName, JS_GLOBALDATA_TYPE_NUMBER, dData, - false, "", v8::Local<v8::Object>(), FALSE); - } - case CJS_Value::VT_boolean: { - bool bData; - vp >> bData; - return SetGlobalVariables(sPropName, JS_GLOBALDATA_TYPE_BOOLEAN, 0, - bData, "", v8::Local<v8::Object>(), FALSE); - } - case CJS_Value::VT_string: { - CFX_ByteString sData; - vp >> sData; - return SetGlobalVariables(sPropName, JS_GLOBALDATA_TYPE_STRING, 0, - false, sData, v8::Local<v8::Object>(), FALSE); - } - case CJS_Value::VT_object: { - v8::Local<v8::Object> pData; - vp >> pData; - return SetGlobalVariables(sPropName, JS_GLOBALDATA_TYPE_OBJECT, 0, - false, "", pData, FALSE); - } - case CJS_Value::VT_null: { - return SetGlobalVariables(sPropName, JS_GLOBALDATA_TYPE_NULL, 0, false, - "", v8::Local<v8::Object>(), FALSE); - } - case CJS_Value::VT_undefined: { - DelProperty(cc, propname, sError); - return TRUE; - } - default: - break; - } - } else { - auto it = m_mapGlobal.find(CFX_ByteString::FromUnicode(propname)); - if (it == m_mapGlobal.end()) { - vp.SetNull(); - return TRUE; - } - JSGlobalData* pData = it->second; - if (pData->bDeleted) { - vp.SetNull(); - return TRUE; - } - switch (pData->nType) { - case JS_GLOBALDATA_TYPE_NUMBER: - vp << pData->dData; - return TRUE; - case JS_GLOBALDATA_TYPE_BOOLEAN: - vp << pData->bData; - return TRUE; - case JS_GLOBALDATA_TYPE_STRING: - vp << pData->sData; - return TRUE; - case JS_GLOBALDATA_TYPE_OBJECT: { - v8::Local<v8::Object> obj = v8::Local<v8::Object>::New( - vp.GetJSRuntime()->GetIsolate(), pData->pData); - vp << obj; - return TRUE; - } - case JS_GLOBALDATA_TYPE_NULL: - vp.SetNull(); - return TRUE; - default: - break; - } - } - return FALSE; -} - -FX_BOOL JSGlobalAlternate::setPersistent(IJS_Context* cc, - const std::vector<CJS_Value>& params, - CJS_Value& vRet, - CFX_WideString& sError) { - CJS_Context* pContext = static_cast<CJS_Context*>(cc); - if (params.size() != 2) { - sError = JSGetStringFromID(pContext, IDS_STRING_JSPARAMERROR); - return FALSE; - } - - auto it = m_mapGlobal.find(params[0].ToCFXByteString()); - if (it != m_mapGlobal.end()) { - JSGlobalData* pData = it->second; - if (!pData->bDeleted) { - pData->bPersistent = params[1].ToBool(); - return TRUE; - } - } - - sError = JSGetStringFromID(pContext, IDS_STRING_JSNOGLOBAL); - return FALSE; -} - -void JSGlobalAlternate::UpdateGlobalPersistentVariables() { - for (int i = 0, sz = m_pGlobalData->GetSize(); i < sz; i++) { - CJS_GlobalData_Element* pData = m_pGlobalData->GetAt(i); - switch (pData->data.nType) { - case JS_GLOBALDATA_TYPE_NUMBER: - SetGlobalVariables(pData->data.sKey, JS_GLOBALDATA_TYPE_NUMBER, - pData->data.dData, false, "", - v8::Local<v8::Object>(), pData->bPersistent == 1); - FXJS_PutObjectNumber(NULL, m_pJSObject->ToV8Object(), - pData->data.sKey.UTF8Decode().c_str(), - pData->data.dData); - break; - case JS_GLOBALDATA_TYPE_BOOLEAN: - SetGlobalVariables(pData->data.sKey, JS_GLOBALDATA_TYPE_BOOLEAN, 0, - (bool)(pData->data.bData == 1), "", - v8::Local<v8::Object>(), pData->bPersistent == 1); - FXJS_PutObjectBoolean(NULL, m_pJSObject->ToV8Object(), - pData->data.sKey.UTF8Decode().c_str(), - (bool)(pData->data.bData == 1)); - break; - case JS_GLOBALDATA_TYPE_STRING: - SetGlobalVariables(pData->data.sKey, JS_GLOBALDATA_TYPE_STRING, 0, - false, pData->data.sData, v8::Local<v8::Object>(), - pData->bPersistent == 1); - FXJS_PutObjectString(NULL, m_pJSObject->ToV8Object(), - pData->data.sKey.UTF8Decode().c_str(), - pData->data.sData.UTF8Decode().c_str()); - break; - case JS_GLOBALDATA_TYPE_OBJECT: { - v8::Isolate* pRuntime = m_pJSObject->ToV8Object()->GetIsolate(); - v8::Local<v8::Object> pObj = FXJS_NewFxDynamicObj(pRuntime, NULL, -1); - - PutObjectProperty(pObj, &pData->data); - - SetGlobalVariables(pData->data.sKey, JS_GLOBALDATA_TYPE_OBJECT, 0, - false, "", pObj, pData->bPersistent == 1); - FXJS_PutObjectObject(NULL, m_pJSObject->ToV8Object(), - pData->data.sKey.UTF8Decode().c_str(), pObj); - } break; - case JS_GLOBALDATA_TYPE_NULL: - SetGlobalVariables(pData->data.sKey, JS_GLOBALDATA_TYPE_NULL, 0, false, - "", v8::Local<v8::Object>(), - pData->bPersistent == 1); - FXJS_PutObjectNull(NULL, m_pJSObject->ToV8Object(), - pData->data.sKey.UTF8Decode().c_str()); - break; - } - } -} - -void JSGlobalAlternate::CommitGlobalPersisitentVariables(IJS_Context* cc) { - for (auto it = m_mapGlobal.begin(); it != m_mapGlobal.end(); ++it) { - CFX_ByteString name = it->first; - JSGlobalData* pData = it->second; - if (pData->bDeleted) { - m_pGlobalData->DeleteGlobalVariable(name); - } else { - switch (pData->nType) { - case JS_GLOBALDATA_TYPE_NUMBER: - m_pGlobalData->SetGlobalVariableNumber(name, pData->dData); - m_pGlobalData->SetGlobalVariablePersistent(name, pData->bPersistent); - break; - case JS_GLOBALDATA_TYPE_BOOLEAN: - m_pGlobalData->SetGlobalVariableBoolean(name, pData->bData); - m_pGlobalData->SetGlobalVariablePersistent(name, pData->bPersistent); - break; - case JS_GLOBALDATA_TYPE_STRING: - m_pGlobalData->SetGlobalVariableString(name, pData->sData); - m_pGlobalData->SetGlobalVariablePersistent(name, pData->bPersistent); - break; - case JS_GLOBALDATA_TYPE_OBJECT: - { - CJS_GlobalVariableArray array; - v8::Local<v8::Object> obj = v8::Local<v8::Object>::New( - GetJSObject()->GetIsolate(), pData->pData); - ObjectToArray(cc, obj, array); - m_pGlobalData->SetGlobalVariableObject(name, array); - m_pGlobalData->SetGlobalVariablePersistent(name, - pData->bPersistent); - } - break; - case JS_GLOBALDATA_TYPE_NULL: - m_pGlobalData->SetGlobalVariableNull(name); - m_pGlobalData->SetGlobalVariablePersistent(name, pData->bPersistent); - break; - } - } - } -} - -void JSGlobalAlternate::ObjectToArray(IJS_Context* cc, - v8::Local<v8::Object> pObj, - CJS_GlobalVariableArray& array) { - v8::Isolate* isolate = pObj->GetIsolate(); - CJS_Runtime* pRuntime = CJS_Runtime::FromContext(cc); - - v8::Local<v8::Array> pKeyList = FXJS_GetObjectElementNames(isolate, pObj); - int nObjElements = pKeyList->Length(); - for (int i = 0; i < nObjElements; i++) { - CFX_WideString ws = - FXJS_ToString(isolate, FXJS_GetArrayElement(isolate, pKeyList, i)); - CFX_ByteString sKey = ws.UTF8Encode(); - - v8::Local<v8::Value> v = FXJS_GetObjectElement(isolate, pObj, ws.c_str()); - switch (GET_VALUE_TYPE(v)) { - case CJS_Value::VT_number: { - CJS_KeyValue* pObjElement = new CJS_KeyValue; - pObjElement->nType = JS_GLOBALDATA_TYPE_NUMBER; - pObjElement->sKey = sKey; - pObjElement->dData = FXJS_ToNumber(isolate, v); - array.Add(pObjElement); - } break; - case CJS_Value::VT_boolean: { - CJS_KeyValue* pObjElement = new CJS_KeyValue; - pObjElement->nType = JS_GLOBALDATA_TYPE_BOOLEAN; - pObjElement->sKey = sKey; - pObjElement->dData = FXJS_ToBoolean(isolate, v); - array.Add(pObjElement); - } break; - case CJS_Value::VT_string: { - CFX_ByteString sValue = - CJS_Value(pRuntime, v, CJS_Value::VT_string).ToCFXByteString(); - CJS_KeyValue* pObjElement = new CJS_KeyValue; - pObjElement->nType = JS_GLOBALDATA_TYPE_STRING; - pObjElement->sKey = sKey; - pObjElement->sData = sValue; - array.Add(pObjElement); - } break; - case CJS_Value::VT_object: { - CJS_KeyValue* pObjElement = new CJS_KeyValue; - pObjElement->nType = JS_GLOBALDATA_TYPE_OBJECT; - pObjElement->sKey = sKey; - ObjectToArray(cc, FXJS_ToObject(isolate, v), pObjElement->objData); - array.Add(pObjElement); - } break; - case CJS_Value::VT_null: { - CJS_KeyValue* pObjElement = new CJS_KeyValue; - pObjElement->nType = JS_GLOBALDATA_TYPE_NULL; - pObjElement->sKey = sKey; - array.Add(pObjElement); - } break; - default: - break; - } - } -} - -void JSGlobalAlternate::PutObjectProperty(v8::Local<v8::Object> pObj, - CJS_KeyValue* pData) { - for (int i = 0, sz = pData->objData.Count(); i < sz; i++) { - CJS_KeyValue* pObjData = pData->objData.GetAt(i); - switch (pObjData->nType) { - case JS_GLOBALDATA_TYPE_NUMBER: - FXJS_PutObjectNumber(NULL, pObj, pObjData->sKey.UTF8Decode().c_str(), - pObjData->dData); - break; - case JS_GLOBALDATA_TYPE_BOOLEAN: - FXJS_PutObjectBoolean(NULL, pObj, pObjData->sKey.UTF8Decode().c_str(), - pObjData->bData == 1); - break; - case JS_GLOBALDATA_TYPE_STRING: - FXJS_PutObjectString(NULL, pObj, pObjData->sKey.UTF8Decode().c_str(), - pObjData->sData.UTF8Decode().c_str()); - break; - case JS_GLOBALDATA_TYPE_OBJECT: { - v8::Isolate* pRuntime = m_pJSObject->ToV8Object()->GetIsolate(); - v8::Local<v8::Object> pNewObj = - FXJS_NewFxDynamicObj(pRuntime, NULL, -1); - PutObjectProperty(pNewObj, pObjData); - FXJS_PutObjectObject(NULL, pObj, pObjData->sKey.UTF8Decode().c_str(), - pNewObj); - } break; - case JS_GLOBALDATA_TYPE_NULL: - FXJS_PutObjectNull(NULL, pObj, pObjData->sKey.UTF8Decode().c_str()); - break; - } - } -} - -void JSGlobalAlternate::DestroyGlobalPersisitentVariables() { - for (const auto& pair : m_mapGlobal) { - delete pair.second; - } - m_mapGlobal.clear(); -} - -FX_BOOL JSGlobalAlternate::SetGlobalVariables(const FX_CHAR* propname, - int nType, - double dData, - bool bData, - const CFX_ByteString& sData, - v8::Local<v8::Object> pData, - bool bDefaultPersistent) { - if (!propname) - return FALSE; - - auto it = m_mapGlobal.find(propname); - if (it != m_mapGlobal.end()) { - JSGlobalData* pTemp = it->second; - if (pTemp->bDeleted || pTemp->nType != nType) { - pTemp->dData = 0; - pTemp->bData = 0; - pTemp->sData = ""; - pTemp->nType = nType; - } - - pTemp->bDeleted = FALSE; - switch (nType) { - case JS_GLOBALDATA_TYPE_NUMBER: { - pTemp->dData = dData; - } break; - case JS_GLOBALDATA_TYPE_BOOLEAN: { - pTemp->bData = bData; - } break; - case JS_GLOBALDATA_TYPE_STRING: { - pTemp->sData = sData; - } break; - case JS_GLOBALDATA_TYPE_OBJECT: { - pTemp->pData.Reset(pData->GetIsolate(), pData); - } break; - case JS_GLOBALDATA_TYPE_NULL: - break; - default: - return FALSE; - } - return TRUE; - } - - JSGlobalData* pNewData = NULL; - - switch (nType) { - case JS_GLOBALDATA_TYPE_NUMBER: { - pNewData = new JSGlobalData; - pNewData->nType = JS_GLOBALDATA_TYPE_NUMBER; - pNewData->dData = dData; - pNewData->bPersistent = bDefaultPersistent; - } break; - case JS_GLOBALDATA_TYPE_BOOLEAN: { - pNewData = new JSGlobalData; - pNewData->nType = JS_GLOBALDATA_TYPE_BOOLEAN; - pNewData->bData = bData; - pNewData->bPersistent = bDefaultPersistent; - } break; - case JS_GLOBALDATA_TYPE_STRING: { - pNewData = new JSGlobalData; - pNewData->nType = JS_GLOBALDATA_TYPE_STRING; - pNewData->sData = sData; - pNewData->bPersistent = bDefaultPersistent; - } break; - case JS_GLOBALDATA_TYPE_OBJECT: { - pNewData = new JSGlobalData; - pNewData->nType = JS_GLOBALDATA_TYPE_OBJECT; - pNewData->pData.Reset(pData->GetIsolate(), pData); - pNewData->bPersistent = bDefaultPersistent; - } break; - case JS_GLOBALDATA_TYPE_NULL: { - pNewData = new JSGlobalData; - pNewData->nType = JS_GLOBALDATA_TYPE_NULL; - pNewData->bPersistent = bDefaultPersistent; - } break; - default: - return FALSE; - } - - m_mapGlobal[propname] = pNewData; - return TRUE; -} - -CJS_Value::Type GET_VALUE_TYPE(v8::Local<v8::Value> p) { - const unsigned int nHash = JS_CalcHash(FXJS_GetTypeof(p)); - - if (nHash == JSCONST_nUndefHash) - return CJS_Value::VT_undefined; - if (nHash == JSCONST_nNullHash) - return CJS_Value::VT_null; - if (nHash == JSCONST_nStringHash) - return CJS_Value::VT_string; - if (nHash == JSCONST_nNumberHash) - return CJS_Value::VT_number; - if (nHash == JSCONST_nBoolHash) - return CJS_Value::VT_boolean; - if (nHash == JSCONST_nDateHash) - return CJS_Value::VT_date; - if (nHash == JSCONST_nObjectHash) - return CJS_Value::VT_object; - if (nHash == JSCONST_nFXobjHash) - return CJS_Value::VT_fxobject; - - return CJS_Value::VT_unknown; -} |