Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 262 insertions, 0 deletions

diff --git a/cppu/source/LogBridge/LogBridge.cxx b/cppu/source/LogBridge/LogBridge.cxx
new file mode 100644
index 000000000..b93b43b64
--- /dev/null
+++ b/cppu/source/LogBridge/LogBridge.cxx
@@ -0,0 +1,262 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <osl/mutex.hxx>
+#include <osl/thread.h>
+#include <osl/thread.hxx>
+#include <osl/diagnose.h>
+#include <cppu/Enterable.hxx>
+#include <cppu/helper/purpenv/Environment.hxx>
+#include <cppu/helper/purpenv/Mapping.hxx>
+#include <com/sun/star/uno/Type.hxx>
+#include <sal/log.hxx>
+
+namespace
+{
+class LogBridge : public cppu::Enterable
+{
+    osl::Mutex          m_mutex;
+    sal_Int32           m_count;
+    oslThreadIdentifier m_threadId;
+
+    virtual  ~LogBridge() override;
+
+public:
+    explicit LogBridge();
+
+    virtual void v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam) override;
+    virtual void v_callOut_v (uno_EnvCallee * pCallee, va_list * pParam) override;
+
+    virtual void v_enter() override;
+    virtual void v_leave() override;
+
+    virtual bool v_isValid(OUString * pReason) override;
+};
+
+LogBridge::LogBridge()
+    : m_count   (0)
+      ,m_threadId(0)
+{
+}
+
+LogBridge::~LogBridge()
+{
+    OSL_ASSERT(m_count >= 0);
+}
+
+void LogBridge::v_callInto_v(uno_EnvCallee * pCallee, va_list * pParam)
+{
+    enter();
+    pCallee(pParam);
+    leave();
+}
+
+void LogBridge::v_callOut_v(uno_EnvCallee * pCallee, va_list * pParam)
+{
+    OSL_ASSERT(m_count > 0);
+
+    -- m_count;
+    pCallee(pParam);
+    ++ m_count;
+
+    if (!m_threadId)
+        m_threadId = osl::Thread::getCurrentIdentifier();
+}
+
+void LogBridge::v_enter()
+{
+    m_mutex.acquire();
+
+    OSL_ASSERT(m_count >= 0);
+
+    if (m_count == 0)
+        m_threadId = osl::Thread::getCurrentIdentifier();
+
+    ++ m_count;
+}
+
+void LogBridge::v_leave()
+{
+    OSL_ASSERT(m_count > 0);
+
+    -- m_count;
+    if (!m_count)
+        m_threadId = 0;
+
+
+    m_mutex.release();
+}
+
+bool LogBridge::v_isValid(OUString * pReason)
+{
+    bool result = m_count > 0;
+    if (!result)
+    {
+        *pReason = "not entered";
+    }
+    else
+    {
+        result = m_threadId == osl::Thread::getCurrentIdentifier();
+
+        if (!result)
+            *pReason = "wrong thread";
+    }
+
+    if (result)
+        *pReason = "OK";
+
+    return result;
+}
+
+    void traceValue(typelib_TypeDescriptionReference* _pTypeRef,void* pArg)
+    {
+        switch(_pTypeRef->eTypeClass)
+        {
+            case typelib_TypeClass_STRING:
+                SAL_INFO("cppu.log", "" << *static_cast< OUString*>(pArg));
+                break;
+            case typelib_TypeClass_BOOLEAN:
+               SAL_INFO("cppu.log", "" << *static_cast<sal_Bool*>(pArg));
+                break;
+            case typelib_TypeClass_BYTE:
+               SAL_INFO("cppu.log", "" << *static_cast<sal_Int8*>(pArg));
+                break;
+            case typelib_TypeClass_CHAR:
+               SAL_INFO("cppu.log", "" << *static_cast<char*>(pArg));
+                break;
+            case typelib_TypeClass_SHORT:
+            case typelib_TypeClass_UNSIGNED_SHORT:
+               SAL_INFO("cppu.log", "" << *static_cast<sal_Int16*>(pArg));
+                break;
+            case typelib_TypeClass_LONG:
+            case typelib_TypeClass_UNSIGNED_LONG:
+            case typelib_TypeClass_ENUM:
+               SAL_INFO("cppu.log", "" << *static_cast<sal_Int32*>(pArg));
+                break;
+            case typelib_TypeClass_HYPER:
+            case typelib_TypeClass_UNSIGNED_HYPER:
+               SAL_INFO("cppu.log", "" << *static_cast<sal_Int64*>(pArg));
+                break;
+            case typelib_TypeClass_FLOAT:
+               SAL_INFO("cppu.log", "" << *static_cast<float*>(pArg));
+                break;
+            case typelib_TypeClass_DOUBLE:
+               SAL_INFO("cppu.log", "" << *static_cast<double*>(pArg));
+                break;
+            case typelib_TypeClass_TYPE:
+                SAL_INFO("cppu.log", "" << static_cast<css::uno::Type*>(pArg)->getTypeName());
+                break;
+            case typelib_TypeClass_ANY:
+                if ( static_cast<uno_Any*>(pArg)->pData )
+                    traceValue(static_cast<uno_Any*>(pArg)->pType,static_cast<uno_Any*>(pArg)->pData);
+                else
+                   SAL_INFO("cppu.log", "void");
+                break;
+            case typelib_TypeClass_EXCEPTION:
+               SAL_INFO("cppu.log", "exception");
+                break;
+            case typelib_TypeClass_INTERFACE:
+                SAL_INFO("cppu.log", "" << _pTypeRef->pTypeName << "0x" << std::hex << pArg);
+                break;
+            case typelib_TypeClass_VOID:
+               SAL_INFO("cppu.log", "void");
+                break;
+            default:
+               SAL_INFO("cppu.log", "0x" << std::hex << pArg);
+                break;
+        } // switch(pParams[i].pTypeRef->eTypeClass)
+    }
+}
+
+static void LogProbe(
+    bool                                pre,
+    SAL_UNUSED_PARAMETER void         * /*pThis*/,
+    SAL_UNUSED_PARAMETER void         * /*pContext*/,
+    typelib_TypeDescriptionReference  * pReturnTypeRef,
+    typelib_MethodParameter           * pParams,
+    sal_Int32                           nParams,
+    typelib_TypeDescription     const * pMemberType,
+    void                              * pReturn,
+    void                              * pArgs[],
+    uno_Any                          ** ppException )
+{
+    OString sTemp;
+    if ( pMemberType && pMemberType->pTypeName )
+        sTemp = OUStringToOString(
+            OUString::unacquired(&pMemberType->pTypeName),RTL_TEXTENCODING_ASCII_US);
+    if ( pre  )
+    {
+        SAL_INFO("cppu.log", "{ LogBridge () " << sTemp );
+        if ( nParams )
+        {
+            SAL_INFO("cppu.log", "\n| : ( LogBridge ");
+            for(sal_Int32 i = 0;i < nParams;++i)
+            {
+                if ( i > 0 )
+                   SAL_INFO("cppu.log", ",");
+                traceValue(pParams[i].pTypeRef,pArgs[i]);
+
+            }
+            SAL_INFO("cppu.log", ")");
+        } // if ( nParams )
+        SAL_INFO("cppu.log", "\n");
+    }
+    else if ( !pre )
+    {
+        SAL_INFO("cppu.log", "} LogBridge () " << sTemp);
+        if ( ppException && *ppException )
+        {
+            SAL_INFO("cppu.log", " exception occurred : ");
+            typelib_TypeDescription * pElementTypeDescr = nullptr;
+            TYPELIB_DANGER_GET( &pElementTypeDescr, (*ppException)->pType );
+            SAL_INFO("cppu.log", "" << pElementTypeDescr->pTypeName);
+            TYPELIB_DANGER_RELEASE( pElementTypeDescr );
+        }
+        else if ( pReturnTypeRef )
+        {
+            SAL_INFO("cppu.log", " return : ");
+            traceValue(pReturnTypeRef,pReturn);
+        } // if ( pReturn && pReturnTypeRef )
+
+        SAL_INFO("cppu.log", "\n");
+    }
+}
+
+#ifdef DISABLE_DYNLOADING
+
+#define uno_initEnvironment log_uno_uno_initEnvironment
+#define uno_ext_getMapping log_uno_uno_ext_getMapping
+
+#endif
+
+extern "C" void SAL_DLLPUBLIC_EXPORT uno_initEnvironment(uno_Environment * pEnv)
+    SAL_THROW_EXTERN_C()
+{
+    cppu::helper::purpenv::Environment_initWithEnterable(pEnv, new LogBridge());
+}
+
+extern "C" void SAL_DLLPUBLIC_EXPORT uno_ext_getMapping(uno_Mapping     ** ppMapping,
+                                   uno_Environment  * pFrom,
+                                   uno_Environment  * pTo )
+{
+    cppu::helper::purpenv::createMapping(ppMapping, pFrom, pTo,LogProbe);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */