WDatabaseMetaData.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#include <writer/WDatabaseMetaData.hxx>
#include <writer/WConnection.hxx>
#include <com/sun/star/sdbc/SQLException.hpp>
#include <com/sun/star/text/XTextDocument.hpp>
#include <com/sun/star/text/XTextTablesSupplier.hpp>
 
using namespace ::com::sun::star;
 
namespace connectivity::writer
{
OWriterDatabaseMetaData::OWriterDatabaseMetaData(file::OConnection* pConnection)
    : OComponentDatabaseMetaData(pConnection)
{
}
 
OWriterDatabaseMetaData::~OWriterDatabaseMetaData() = default;
 
OUString SAL_CALL OWriterDatabaseMetaData::getURL()
{
    ::osl::MutexGuard aGuard(m_aMutex);
 
    return "sdbc:writer:" + m_pConnection->getURL();
}
 
uno::Reference<sdbc::XResultSet> SAL_CALL OWriterDatabaseMetaData::getTables(
    const uno::Any& /*catalog*/, const OUString& /*schemaPattern*/,
    const OUString& tableNamePattern, const uno::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 table names from the document
 
    OWriterConnection::ODocHolder aDocHolder(static_cast<OWriterConnection*>(m_pConnection));
    uno::Reference<text::XTextTablesSupplier> xDoc(aDocHolder.getDoc(), uno::UNO_QUERY);
    if (!xDoc.is())
        throw sdbc::SQLException();
    uno::Reference<container::XNameAccess> xTables = xDoc->getTextTables();
    if (!xTables.is())
        throw sdbc::SQLException();
    uno::Sequence<OUString> aTableNames = xTables->getElementNames();
 
    ODatabaseMetaDataResultSet::ORows aRows;
    sal_Int32 nTableCount = aTableNames.getLength();
    for (sal_Int32 nTable = 0; nTable < nTableCount; nTable++)
    {
        const OUString& rName = aTableNames[nTable];
        if (match(tableNamePattern, rName, '\0'))
        {
            ODatabaseMetaDataResultSet::ORow aRow{ nullptr, nullptr, nullptr };
            aRow.reserve(6);
            aRow.push_back(new ORowSetValueDecorator(rName));
            aRow.push_back(new ORowSetValueDecorator(aTable));
            aRow.push_back(ODatabaseMetaDataResultSet::getEmptyValue());
            aRows.push_back(aRow);
        }
    }
 
    pResult->setRows(std::move(aRows));
 
    return pResult;
}
 
} // namespace
 
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