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, 217 insertions, 0 deletions

diff --git a/connectivity/source/drivers/calc/CDatabaseMetaData.cxx b/connectivity/source/drivers/calc/CDatabaseMetaData.cxx
new file mode 100644
index 000000000..159349cac
--- /dev/null
+++ b/connectivity/source/drivers/calc/CDatabaseMetaData.cxx
@@ -0,0 +1,217 @@
+/* -*- 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 <calc/CDatabaseMetaData.hxx>
+#include <calc/CConnection.hxx>
+#include <com/sun/star/sdbc/SQLException.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
+#include <com/sun/star/sheet/XSpreadsheetDocument.hpp>
+#include <com/sun/star/sheet/XSpreadsheet.hpp>
+#include <com/sun/star/sheet/XCellRangeAddressable.hpp>
+#include <com/sun/star/sheet/XDatabaseRanges.hpp>
+#include <com/sun/star/sheet/XDatabaseRange.hpp>
+#include <FDatabaseMetaDataResultSet.hxx>
+
+using namespace connectivity::calc;
+using namespace connectivity::file;
+using namespace connectivity::component;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::beans;
+using namespace ::com::sun::star::sdbcx;
+using namespace ::com::sun::star::sdbc;
+using namespace ::com::sun::star::container;
+using namespace ::com::sun::star::table;
+using namespace ::com::sun::star::sheet;
+
+OCalcDatabaseMetaData::OCalcDatabaseMetaData(OConnection* _pCon)    :OComponentDatabaseMetaData(_pCon)
+{
+}
+
+OCalcDatabaseMetaData::~OCalcDatabaseMetaData()
+{
+}
+
+OUString SAL_CALL OCalcDatabaseMetaData::getURL(  )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    return "sdbc:calc:" + m_pConnection->getURL();
+}
+
+static bool lcl_IsEmptyOrHidden( const Reference<XSpreadsheets>& xSheets, const OUString& rName )
+{
+    Any aAny = xSheets->getByName( rName );
+    Reference<XSpreadsheet> xSheet;
+    if ( !(aAny >>= xSheet) )
+        return false;
+
+    //  test if sheet is hidden
+
+    Reference<XPropertySet> xProp( xSheet, UNO_QUERY );
+    if (xProp.is())
+    {
+        bool bVisible;
+        Any aVisAny = xProp->getPropertyValue("IsVisible");
+        if ( (aVisAny >>= bVisible) && !bVisible)
+            return true;                // hidden
+    }
+
+    //  use the same data area as in OCalcTable to test for empty table
+
+    Reference<XSheetCellCursor> xCursor = xSheet->createCursor();
+    Reference<XCellRangeAddressable> xRange( xCursor, UNO_QUERY );
+    if ( xRange.is() )
+    {
+        xCursor->collapseToSize( 1, 1 );        // single (first) cell
+        xCursor->collapseToCurrentRegion();     // contiguous data area
+
+        CellRangeAddress aRangeAddr = xRange->getRangeAddress();
+        if ( aRangeAddr.StartColumn == aRangeAddr.EndColumn &&
+             aRangeAddr.StartRow == aRangeAddr.EndRow )
+        {
+            //  single cell -> check content
+            Reference<XCell> xCell = xCursor->getCellByPosition( 0, 0 );
+            if ( xCell.is() && xCell->getType() == CellContentType_EMPTY )
+                return true;
+        }
+    }
+
+    return false;
+}
+
+static bool lcl_IsUnnamed( const Reference<XDatabaseRanges>& xRanges, const OUString& rName )
+{
+    bool bUnnamed = false;
+
+    Any aAny = xRanges->getByName( rName );
+    Reference<XDatabaseRange> xRange;
+    if ( aAny >>= xRange )
+    {
+        Reference<XPropertySet> xRangeProp( xRange, UNO_QUERY );
+        if ( xRangeProp.is() )
+        {
+            try
+            {
+                Any aUserAny = xRangeProp->getPropertyValue("IsUserDefined");
+                bool bUserDefined;
+                if ( aUserAny >>= bUserDefined )
+                    bUnnamed = !bUserDefined;
+            }
+            catch ( UnknownPropertyException& )
+            {
+                // optional property
+            }
+        }
+    }
+
+    return bUnnamed;
+}
+
+Reference< XResultSet > SAL_CALL OCalcDatabaseMetaData::getTables(
+        const Any& /*catalog*/, const OUString& /*schemaPattern*/,
+        const OUString& tableNamePattern, const Sequence< OUString >& types )
+{
+    ::osl::MutexGuard aGuard( m_aMutex );
+
+    rtl::Reference<ODatabaseMetaDataResultSet> pResult = new ODatabaseMetaDataResultSet(ODatabaseMetaDataResultSet::eTables);
+
+    // check if ORowSetValue type is given
+    // when no types are given then we have to return all tables e.g. TABLE
+
+    OUString aTable("TABLE");
+
+    bool bTableFound = true;
+    sal_Int32 nLength = types.getLength();
+    if(nLength)
+    {
+        bTableFound = false;
+
+        const OUString* pIter = types.getConstArray();
+        const OUString* pEnd = pIter + nLength;
+        for(;pIter != pEnd;++pIter)
+        {
+            if(*pIter == aTable)
+            {
+                bTableFound = true;
+                break;
+            }
+        }
+    }
+    if(!bTableFound)
+        return pResult;
+
+    // get the sheet names from the document
+
+    OCalcConnection::ODocHolder aDocHolder(static_cast<OCalcConnection*>(m_pConnection));
+    const Reference<XSpreadsheetDocument>& xDoc = aDocHolder.getDoc();
+    if ( !xDoc.is() )
+        throw SQLException();
+    Reference<XSpreadsheets> xSheets = xDoc->getSheets();
+    if ( !xSheets.is() )
+        throw SQLException();
+    Sequence< OUString > aSheetNames = xSheets->getElementNames();
+
+    ODatabaseMetaDataResultSet::ORows aRows;
+    sal_Int32 nSheetCount = aSheetNames.getLength();
+    for (sal_Int32 nSheet=0; nSheet<nSheetCount; nSheet++)
+    {
+        OUString aName = aSheetNames[nSheet];
+        if ( !lcl_IsEmptyOrHidden( xSheets, aName ) && match(tableNamePattern,aName,'\0') )
+        {
+            aRows.push_back( { nullptr, nullptr, nullptr,
+                               new ORowSetValueDecorator(aName),
+                               new ORowSetValueDecorator(aTable),
+                               ODatabaseMetaDataResultSet::getEmptyValue()
+                             } );
+        }
+    }
+
+    // also use database ranges
+
+    Reference<XPropertySet> xDocProp( xDoc, UNO_QUERY );
+    if ( xDocProp.is() )
+    {
+        Any aRangesAny = xDocProp->getPropertyValue("DatabaseRanges");
+        Reference<XDatabaseRanges> xRanges;
+        if ( aRangesAny >>= xRanges )
+        {
+            Sequence< OUString > aDBNames = xRanges->getElementNames();
+            sal_Int32 nDBCount = aDBNames.getLength();
+            for (sal_Int32 nRange=0; nRange<nDBCount; nRange++)
+            {
+                OUString aName = aDBNames[nRange];
+                if ( !lcl_IsUnnamed( xRanges, aName ) && match(tableNamePattern,aName,'\0') )
+                {
+                    aRows.push_back( { nullptr, nullptr, nullptr,
+                                       new ORowSetValueDecorator(aName),
+                                       new ORowSetValueDecorator(aTable),
+                                       ODatabaseMetaDataResultSet::getEmptyValue()
+                                     } );
+                }
+            }
+        }
+    }
+
+    pResult->setRows(std::move(aRows));
+
+    return pResult;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */