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Unified Diff: fpdfsdk/javascript/JS_GlobalData.cpp

Issue 2154843002: Clean up singleton implementation (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: rebase Created 4 years, 5 months ago
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Index: fpdfsdk/javascript/JS_GlobalData.cpp
diff --git a/fpdfsdk/javascript/JS_GlobalData.cpp b/fpdfsdk/javascript/JS_GlobalData.cpp
index 14c36530d5d65c2d2483596f16de47b514ce8bf8..d1268b042f1a004673a9638f82cf7cfb71041494 100644
--- a/fpdfsdk/javascript/JS_GlobalData.cpp
+++ b/fpdfsdk/javascript/JS_GlobalData.cpp
@@ -11,78 +11,13 @@
#define JS_MAXGLOBALDATA (1024 * 4 - 8)
-CJS_GlobalVariableArray::CJS_GlobalVariableArray() {}
-
-CJS_GlobalVariableArray::~CJS_GlobalVariableArray() {
- Empty();
-}
-
-void CJS_GlobalVariableArray::Copy(const CJS_GlobalVariableArray& array) {
- Empty();
- for (int i = 0, sz = array.Count(); i < sz; i++) {
- CJS_KeyValue* pOldObjData = array.GetAt(i);
- switch (pOldObjData->nType) {
- case JS_GLOBALDATA_TYPE_NUMBER: {
- CJS_KeyValue* pNewObjData = new CJS_KeyValue;
- pNewObjData->sKey = pOldObjData->sKey;
- pNewObjData->nType = pOldObjData->nType;
- pNewObjData->dData = pOldObjData->dData;
- Add(pNewObjData);
- } break;
- case JS_GLOBALDATA_TYPE_BOOLEAN: {
- CJS_KeyValue* pNewObjData = new CJS_KeyValue;
- pNewObjData->sKey = pOldObjData->sKey;
- pNewObjData->nType = pOldObjData->nType;
- pNewObjData->bData = pOldObjData->bData;
- Add(pNewObjData);
- } break;
- case JS_GLOBALDATA_TYPE_STRING: {
- CJS_KeyValue* pNewObjData = new CJS_KeyValue;
- pNewObjData->sKey = pOldObjData->sKey;
- pNewObjData->nType = pOldObjData->nType;
- pNewObjData->sData = pOldObjData->sData;
- Add(pNewObjData);
- } break;
- case JS_GLOBALDATA_TYPE_OBJECT: {
- CJS_KeyValue* pNewObjData = new CJS_KeyValue;
- pNewObjData->sKey = pOldObjData->sKey;
- pNewObjData->nType = pOldObjData->nType;
- pNewObjData->objData.Copy(pOldObjData->objData);
- Add(pNewObjData);
- } break;
- case JS_GLOBALDATA_TYPE_NULL: {
- CJS_KeyValue* pNewObjData = new CJS_KeyValue;
- pNewObjData->sKey = pOldObjData->sKey;
- pNewObjData->nType = pOldObjData->nType;
- Add(pNewObjData);
- } break;
- }
- }
-}
-
-void CJS_GlobalVariableArray::Add(CJS_KeyValue* p) {
- m_Array.Add(p);
-}
-
-int CJS_GlobalVariableArray::Count() const {
- return m_Array.GetSize();
-}
-
-CJS_KeyValue* CJS_GlobalVariableArray::GetAt(int index) const {
- return m_Array.GetAt(index);
-}
-
-void CJS_GlobalVariableArray::Empty() {
- for (int i = 0, sz = m_Array.GetSize(); i < sz; i++)
- delete m_Array.GetAt(i);
- m_Array.RemoveAll();
-}
-
#define READER_JS_GLOBALDATA_FILENAME L"Reader_JsGlobal.Data"
#define PHANTOM_JS_GLOBALDATA_FILENAME L"Phantom_JsGlobal.Data"
#define SDK_JS_GLOBALDATA_FILENAME L"SDK_JsGlobal.Data"
-static const uint8_t JS_RC4KEY[] = {
+namespace {
+
+const uint8_t JS_RC4KEY[] = {
0x19, 0xa8, 0xe8, 0x01, 0xf6, 0xa8, 0xb6, 0x4d, 0x82, 0x04, 0x45, 0x6d,
0xb4, 0xcf, 0xd7, 0x77, 0x67, 0xf9, 0x75, 0x9f, 0xf0, 0xe0, 0x1e, 0x51,
0xee, 0x46, 0xfd, 0x0b, 0xc9, 0x93, 0x25, 0x55, 0x4a, 0xee, 0xe0, 0x16,
@@ -94,27 +29,29 @@ static const uint8_t JS_RC4KEY[] = {
0xf8, 0x77, 0xd5, 0xa3};
// Returns true if non-empty, setting sPropName
-static bool TrimPropName(CFX_ByteString* sPropName) {
+bool TrimPropName(CFX_ByteString* sPropName) {
sPropName->TrimLeft();
sPropName->TrimRight();
return sPropName->GetLength() != 0;
}
-CJS_GlobalData* CJS_GlobalData::g_Instance = nullptr;
+CJS_GlobalData* g_pInstance = nullptr;
+
+} // namespace
// static
CJS_GlobalData* CJS_GlobalData::GetRetainedInstance(CPDFDoc_Environment* pApp) {
- if (!g_Instance) {
- g_Instance = new CJS_GlobalData();
+ if (!g_pInstance) {
+ g_pInstance = new CJS_GlobalData();
}
- ++g_Instance->m_RefCount;
- return g_Instance;
+ ++g_pInstance->m_RefCount;
+ return g_pInstance;
}
void CJS_GlobalData::Release() {
if (!--m_RefCount) {
- delete g_Instance;
- g_Instance = nullptr;
+ delete g_pInstance;
+ g_pInstance = nullptr;
}
}
@@ -160,13 +97,13 @@ void CJS_GlobalData::SetGlobalVariableNumber(const CFX_ByteString& propname,
return;
if (CJS_GlobalData_Element* pData = GetGlobalVariable(sPropName)) {
- pData->data.nType = JS_GLOBALDATA_TYPE_NUMBER;
+ pData->data.nType = JS_GlobalDataType::NUMBER;
pData->data.dData = dData;
return;
}
std::unique_ptr<CJS_GlobalData_Element> pNewData(new CJS_GlobalData_Element);
pNewData->data.sKey = sPropName;
- pNewData->data.nType = JS_GLOBALDATA_TYPE_NUMBER;
+ pNewData->data.nType = JS_GlobalDataType::NUMBER;
pNewData->data.dData = dData;
m_arrayGlobalData.push_back(std::move(pNewData));
}
@@ -178,13 +115,13 @@ void CJS_GlobalData::SetGlobalVariableBoolean(const CFX_ByteString& propname,
return;
if (CJS_GlobalData_Element* pData = GetGlobalVariable(sPropName)) {
- pData->data.nType = JS_GLOBALDATA_TYPE_BOOLEAN;
+ pData->data.nType = JS_GlobalDataType::BOOLEAN;
pData->data.bData = bData;
return;
}
std::unique_ptr<CJS_GlobalData_Element> pNewData(new CJS_GlobalData_Element);
pNewData->data.sKey = sPropName;
- pNewData->data.nType = JS_GLOBALDATA_TYPE_BOOLEAN;
+ pNewData->data.nType = JS_GlobalDataType::BOOLEAN;
pNewData->data.bData = bData;
m_arrayGlobalData.push_back(std::move(pNewData));
}
@@ -196,13 +133,13 @@ void CJS_GlobalData::SetGlobalVariableString(const CFX_ByteString& propname,
return;
if (CJS_GlobalData_Element* pData = GetGlobalVariable(sPropName)) {
- pData->data.nType = JS_GLOBALDATA_TYPE_STRING;
+ pData->data.nType = JS_GlobalDataType::STRING;
pData->data.sData = sData;
return;
}
std::unique_ptr<CJS_GlobalData_Element> pNewData(new CJS_GlobalData_Element);
pNewData->data.sKey = sPropName;
- pNewData->data.nType = JS_GLOBALDATA_TYPE_STRING;
+ pNewData->data.nType = JS_GlobalDataType::STRING;
pNewData->data.sData = sData;
m_arrayGlobalData.push_back(std::move(pNewData));
}
@@ -215,13 +152,13 @@ void CJS_GlobalData::SetGlobalVariableObject(
return;
if (CJS_GlobalData_Element* pData = GetGlobalVariable(sPropName)) {
- pData->data.nType = JS_GLOBALDATA_TYPE_OBJECT;
+ pData->data.nType = JS_GlobalDataType::OBJECT;
pData->data.objData.Copy(array);
return;
}
std::unique_ptr<CJS_GlobalData_Element> pNewData(new CJS_GlobalData_Element);
pNewData->data.sKey = sPropName;
- pNewData->data.nType = JS_GLOBALDATA_TYPE_OBJECT;
+ pNewData->data.nType = JS_GlobalDataType::OBJECT;
pNewData->data.objData.Copy(array);
m_arrayGlobalData.push_back(std::move(pNewData));
}
@@ -232,12 +169,12 @@ void CJS_GlobalData::SetGlobalVariableNull(const CFX_ByteString& propname) {
return;
if (CJS_GlobalData_Element* pData = GetGlobalVariable(sPropName)) {
- pData->data.nType = JS_GLOBALDATA_TYPE_NULL;
+ pData->data.nType = JS_GlobalDataType::NULLOBJ;
return;
}
std::unique_ptr<CJS_GlobalData_Element> pNewData(new CJS_GlobalData_Element);
pNewData->data.sKey = sPropName;
- pNewData->data.nType = JS_GLOBALDATA_TYPE_NULL;
+ pNewData->data.nType = JS_GlobalDataType::NULLOBJ;
m_arrayGlobalData.push_back(std::move(pNewData));
}
@@ -317,11 +254,12 @@ void CJS_GlobalData::LoadGlobalPersistentVariables() {
CFX_ByteString sEntry = CFX_ByteString(p, dwNameLen);
p += sizeof(char) * dwNameLen;
- uint16_t wDataType = *((uint16_t*)p);
+ JS_GlobalDataType wDataType =
+ static_cast<JS_GlobalDataType>(*((uint16_t*)p));
p += sizeof(uint16_t);
switch (wDataType) {
- case JS_GLOBALDATA_TYPE_NUMBER: {
+ case JS_GlobalDataType::NUMBER: {
double dData = 0;
switch (wVersion) {
case 1: {
@@ -337,13 +275,13 @@ void CJS_GlobalData::LoadGlobalPersistentVariables() {
SetGlobalVariableNumber(sEntry, dData);
SetGlobalVariablePersistent(sEntry, TRUE);
} break;
- case JS_GLOBALDATA_TYPE_BOOLEAN: {
+ case JS_GlobalDataType::BOOLEAN: {
uint16_t wData = *((uint16_t*)p);
p += sizeof(uint16_t);
SetGlobalVariableBoolean(sEntry, (bool)(wData == 1));
SetGlobalVariablePersistent(sEntry, TRUE);
} break;
- case JS_GLOBALDATA_TYPE_STRING: {
+ case JS_GlobalDataType::STRING: {
uint32_t dwLength = *((uint32_t*)p);
p += sizeof(uint32_t);
@@ -354,10 +292,12 @@ void CJS_GlobalData::LoadGlobalPersistentVariables() {
SetGlobalVariablePersistent(sEntry, TRUE);
p += sizeof(char) * dwLength;
} break;
- case JS_GLOBALDATA_TYPE_NULL: {
+ case JS_GlobalDataType::NULLOBJ: {
SetGlobalVariableNull(sEntry);
SetGlobalVariablePersistent(sEntry, TRUE);
}
+ case JS_GlobalDataType::OBJECT:
+ break;
}
}
}
@@ -413,47 +353,42 @@ void CJS_GlobalData::WriteFileBuffer(const FX_WCHAR* sFilePath,
void CJS_GlobalData::MakeByteString(const CFX_ByteString& name,
CJS_KeyValue* pData,
CFX_BinaryBuf& sData) {
- uint16_t wType = (uint16_t)pData->nType;
- switch (wType) {
- case JS_GLOBALDATA_TYPE_NUMBER: {
+ switch (pData->nType) {
+ case JS_GlobalDataType::NUMBER: {
uint32_t dwNameLen = (uint32_t)name.GetLength();
sData.AppendBlock(&dwNameLen, sizeof(uint32_t));
sData.AppendString(name);
- sData.AppendBlock(&wType, sizeof(uint16_t));
+ sData.AppendBlock(&pData->nType, sizeof(uint16_t));
double dData = pData->dData;
sData.AppendBlock(&dData, sizeof(double));
} break;
- case JS_GLOBALDATA_TYPE_BOOLEAN: {
+ case JS_GlobalDataType::BOOLEAN: {
uint32_t dwNameLen = (uint32_t)name.GetLength();
sData.AppendBlock(&dwNameLen, sizeof(uint32_t));
sData.AppendString(name);
- sData.AppendBlock(&wType, sizeof(uint16_t));
+ sData.AppendBlock(&pData->nType, sizeof(uint16_t));
uint16_t wData = (uint16_t)pData->bData;
sData.AppendBlock(&wData, sizeof(uint16_t));
} break;
- case JS_GLOBALDATA_TYPE_STRING: {
+ case JS_GlobalDataType::STRING: {
uint32_t dwNameLen = (uint32_t)name.GetLength();
sData.AppendBlock(&dwNameLen, sizeof(uint32_t));
sData.AppendString(name);
- sData.AppendBlock(&wType, sizeof(uint16_t));
+ sData.AppendBlock(&pData->nType, sizeof(uint16_t));
uint32_t dwDataLen = (uint32_t)pData->sData.GetLength();
sData.AppendBlock(&dwDataLen, sizeof(uint32_t));
sData.AppendString(pData->sData);
} break;
- case JS_GLOBALDATA_TYPE_NULL: {
+ case JS_GlobalDataType::NULLOBJ: {
uint32_t dwNameLen = (uint32_t)name.GetLength();
sData.AppendBlock(&dwNameLen, sizeof(uint32_t));
sData.AppendString(name);
- sData.AppendBlock(&wType, sizeof(uint32_t));
+ sData.AppendBlock(&pData->nType, sizeof(uint32_t));
} break;
default:
break;
}
}
-
-CJS_KeyValue::CJS_KeyValue() {}
-
-CJS_KeyValue::~CJS_KeyValue() {}
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