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Copy pathNativeApiProxy.cpp
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371 lines (328 loc) · 9.28 KB
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/*----------------------------------------------------------
This Source Code Form is subject to the terms of the
Mozilla Public License, v.2.0. If a copy of the MPL
was not distributed with this file, You can obtain one
at http://mozilla.org/MPL/2.0/.
----------------------------------------------------------*/
#include "include/types.h"
#include "include/ComponentBase.h"
#include "include/AddInDefBase.h"
#include "include/IMemoryManager.h"
#include "NativeInterface.h"
#ifdef _WINDOWS
BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
{
switch (ul_reason_for_call)
{
case DLL_PROCESS_ATTACH:
::DisableThreadLibraryCalls(hModule);
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}
#define DllExport extern "C" __declspec(dllexport)
#else//_WINDOWS
#define DllExport extern "C"
#include <stdlib.h>
#endif//_WINDOWS
#define CHECK_PROXY(result) { if (proxy == nullptr) return result; }
#define EMPTY_DEF
typedef void(_stdcall* StringFuncRespond) (const WCHAR_T* s);
typedef void(_stdcall* VariantFuncRespond) (const tVariant* variant);
static bool AllocMemory(void** pMemory, unsigned long ulCountByte) {
#ifdef _WINDOWS
return *pMemory = LocalAlloc(LMEM_FIXED, ulCountByte);
#else
return *pMemory = calloc(1, ulCountByte);
#endif//_WINDOWS
}
void ADDIN_API FreeMemory(void** pMemory) {
#ifdef _WINDOWS
LocalFree(*pMemory);
*pMemory = nullptr;
#else
free(*pMemory);
*pMemory = nullptr;
#endif//_WINDOWS
}
class ProxyComponent : public IMemoryManager {
private:
IComponentBase* pComponent = nullptr;
NativeInterface mInterface;
public:
ProxyComponent(
IComponentBase* pComponent,
ErrorFuncRespond onError,
EventFuncRespond onEvent,
StatusFuncRespond onStatus
) :
pComponent(pComponent),
mInterface(onError, onEvent, onStatus)
{
pComponent->setMemManager(this);
pComponent->Init(&mInterface);
}
virtual ~ProxyComponent() override {
pComponent->Done();
delete pComponent;
}
virtual bool ADDIN_API AllocMemory(void** pMemory, unsigned long ulCountByte) override {
return ::AllocMemory(pMemory, ulCountByte);
}
virtual void ADDIN_API FreeMemory(void** pMemory) override {
if (*pMemory) ::FreeMemory(pMemory);
}
IComponentBase& Component() {
return *pComponent;
}
};
static void ClearVariant(tVariant& variant)
{
switch (variant.vt) {
case VTYPE_BLOB:
case VTYPE_PSTR:
FreeMemory((void**)&variant.pstrVal);
variant.strLen = 0;
break;
case VTYPE_PWSTR:
FreeMemory((void**)&variant.pwstrVal);
variant.wstrLen = 0;
break;
}
variant.vt = VTYPE_EMPTY;
}
DllExport tVariant* CreateVariant(int32_t lSizeArray)
{
if (lSizeArray <= 0) return nullptr;
void* ptr = nullptr;
::AllocMemory(&ptr, sizeof(tVariant) * lSizeArray);
return (tVariant*)ptr;
}
DllExport void FreeVariant(tVariant* variant)
{
if (variant == nullptr) return;
::ClearVariant(*variant);
::FreeMemory((void**)&variant);
}
DllExport ProxyComponent* GetClassObject(
HMODULE hModule,
const WCHAR_T* wsName,
ErrorFuncRespond onError = nullptr,
EventFuncRespond onEvent = nullptr,
StatusFuncRespond onStatus = nullptr
)
{
auto proc = (GetClassObjectPtr)GetProcAddress(hModule, "GetClassObject");
if (proc == nullptr) return nullptr;
IComponentBase* pComponent = nullptr;
auto ok = proc(wsName, &pComponent);
if (ok == 0) return nullptr;
return new ProxyComponent(pComponent, onError, onEvent, onStatus);
}
DllExport void DestroyObject(ProxyComponent* proxy)
{
if (proxy) delete proxy;
}
DllExport int32_t GetNProps(ProxyComponent* proxy)
{
CHECK_PROXY(0);
return (int32_t)proxy->Component().GetNProps();
}
DllExport int32_t FindProp(ProxyComponent* proxy, const WCHAR_T* wsPropName)
{
CHECK_PROXY(-1);
return (int32_t)proxy->Component().FindProp(wsPropName);
}
DllExport void GetPropName(ProxyComponent* proxy, int32_t lPropNum, int32_t lPropAlias, StringFuncRespond respond)
{
CHECK_PROXY(EMPTY_DEF);
auto name = proxy->Component().GetPropName(lPropNum, lPropAlias);
if (name) {
respond(name);
proxy->FreeMemory((void**)&name);
}
}
DllExport bool GetPropVal(ProxyComponent* proxy, int32_t lPropNum, VariantFuncRespond respond)
{
CHECK_PROXY(false);
tVariant variant = { 0 };
auto ok = proxy->Component().GetPropVal(lPropNum, &variant);
if (ok) respond(&variant);
ClearVariant(variant);
return ok;
}
DllExport bool SetPropVal(ProxyComponent* proxy, int32_t lPropNum, tVariant* variant)
{
CHECK_PROXY(false);
auto ok = proxy->Component().SetPropVal(lPropNum, variant);
return ok;
}
DllExport void SetVariantEmpty(tVariant* variant, int32_t number)
{
tVariant* v = variant + number;
TV_VT(v) = VTYPE_EMPTY;
}
DllExport void SetVariantBool(tVariant* variant, int32_t number, bool value)
{
tVariant* v = variant + number;
TV_BOOL(v) = value;
TV_VT(v) = VTYPE_BOOL;
}
DllExport void SetVariantReal(tVariant* variant, int32_t number, double value)
{
tVariant* v = variant + number;
TV_R8(v) = value;
TV_VT(v) = VTYPE_R8;
}
DllExport void SetVariantInt(tVariant* variant, int32_t number, int32_t value)
{
tVariant* v = variant + number;
TV_I4(v) = value;
TV_VT(v) = VTYPE_I4;
}
DllExport void SetVariantStr(tVariant* variant, int32_t number, const WCHAR_T* value, int32_t length)
{
tVariant* v = variant + number;
unsigned long size = sizeof(WCHAR_T) * (length + 1);
if (::AllocMemory((void**)&v->pwstrVal, size)) {
memcpy(v->pwstrVal, value, size);
v->wstrLen = length;
while (v->wstrLen && v->pwstrVal[v->wstrLen - 1] == 0) v->wstrLen--;
TV_VT(v) = VTYPE_PWSTR;
}
}
DllExport void SetVariantBlob(tVariant* variant, int32_t number, const char* value, int32_t length)
{
tVariant* v = variant + number;
if (::AllocMemory((void**)&v->pstrVal, length)) {
memcpy(v->pstrVal, value, length);
v->strLen = length;
TV_VT(v) = VTYPE_BLOB;
}
}
typedef void(_stdcall* TSetVariantEmpty)(tVariant*, int32_t);
typedef void(_stdcall* TSetVariantBool)(tVariant*, int32_t, bool);
typedef void(_stdcall* TSetVariantReal)(tVariant*, int32_t, double);
typedef void(_stdcall* TSetVariantInt)(tVariant*, int32_t, int32_t);
typedef void(_stdcall* TSetVariantBlob)(tVariant*, int32_t, void*, int32_t);
DllExport void GetVariant(tVariant* variant, int32_t number
, TSetVariantEmpty e
, TSetVariantBool b
, TSetVariantInt i
, TSetVariantReal r
, TSetVariantBlob s
, TSetVariantBlob x
)
{
if (variant == nullptr) return;
switch (variant->vt) {
case VTYPE_EMPTY:
e(variant, number);
break;
case VTYPE_I2:
case VTYPE_I4:
case VTYPE_ERROR:
case VTYPE_UI1:
i(variant, number, variant->lVal);
break;
case VTYPE_BOOL:
b(variant, number, variant->bVal);
break;
case VTYPE_R4:
case VTYPE_R8:
r(variant, number, variant->dblVal);
break;
case VTYPE_DATE:
case VTYPE_TM:
e(variant, number);
break;
case VTYPE_PSTR:
e(variant, number);
break;
case VTYPE_PWSTR:
s(variant, number, variant->pwstrVal, variant->strLen);
break;
case VTYPE_BLOB:
x(variant, number, variant->pstrVal, variant->strLen);
break;
default:
e(variant, number);
}
}
DllExport bool IsPropReadable(ProxyComponent* proxy, int32_t lPropNum)
{
CHECK_PROXY(false);
return proxy->Component().IsPropReadable(lPropNum);
}
DllExport bool IsPropWritable(ProxyComponent* proxy, int32_t lPropNum)
{
CHECK_PROXY(false);
auto res = proxy->Component().IsPropWritable(lPropNum);
return res;
}
DllExport int32_t GetNMethods(ProxyComponent* proxy)
{
CHECK_PROXY(0);
return (int32_t)proxy->Component().GetNMethods();
}
DllExport int32_t FindMethod(ProxyComponent* proxy, const WCHAR_T* wsMethodName)
{
CHECK_PROXY(-1);
return (int32_t)proxy->Component().FindMethod(wsMethodName);
}
DllExport void GetMethodName(ProxyComponent* proxy, int32_t lMethodNum, int32_t lMethodAlias, StringFuncRespond respond)
{
CHECK_PROXY(EMPTY_DEF);
auto name = proxy->Component().GetMethodName(lMethodNum, lMethodAlias);
if (name) {
respond(name);
proxy->FreeMemory((void**)&name);
}
}
DllExport int32_t GetNParams(ProxyComponent* proxy, int32_t lMethodNum)
{
CHECK_PROXY(0);
return (int32_t)proxy->Component().GetNParams(lMethodNum);
}
DllExport bool HasParamDefValue(ProxyComponent* proxy, int32_t lMethodNum, int32_t lParamNum)
{
CHECK_PROXY(false);
tVariant variant = { 0 };
bool result = proxy->Component().GetParamDefValue(lMethodNum, lParamNum, &variant) && variant.vt != VTYPE_EMPTY;
ClearVariant(variant);
return result;
}
DllExport bool GetParamDefValue(ProxyComponent* proxy, int32_t lMethodNum, int32_t lParamNum, VariantFuncRespond respond)
{
CHECK_PROXY(false);
tVariant variant = { 0 };
auto ok = proxy->Component().GetParamDefValue(lMethodNum, lParamNum, &variant);
if (ok) respond(&variant);
ClearVariant(variant);
return ok;
}
DllExport bool HasRetVal(ProxyComponent* proxy, int32_t lMethodNum)
{
CHECK_PROXY(false);
return proxy->Component().HasRetVal(lMethodNum);
}
DllExport bool CallAsProc(ProxyComponent* proxy, int32_t lMethodNum, tVariant* paParams)
{
CHECK_PROXY(false);
auto lSizeArray = GetNParams(proxy, lMethodNum);
bool ok = proxy->Component().CallAsProc(lMethodNum, paParams, lSizeArray);
return ok;
}
DllExport bool CallAsFunc(ProxyComponent* proxy, int32_t lMethodNum, tVariant* paParams, VariantFuncRespond respond)
{
CHECK_PROXY(false);
tVariant variant = { 0 };
auto lSizeArray = GetNParams(proxy, lMethodNum);
bool ok = proxy->Component().CallAsFunc(lMethodNum, &variant, paParams, lSizeArray);
if (ok) respond(&variant);
ClearVariant(variant);
return ok;
}
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