xref: /AOO41X/main/oox/inc/oox/xls/pivotcachefragment.hxx (revision e35081216278e1848f1c12af2e117a766f306f4b)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#ifndef OOX_XLS_PIVOTCACHEFRAGMENT_HXX
#define OOX_XLS_PIVOTCACHEFRAGMENT_HXX

#include "oox/xls/excelhandlers.hxx"

namespace oox {
namespace xls {

class PivotCache;
class PivotCacheField;

// ============================================================================

class PivotCacheFieldContext : public WorkbookContextBase
{
public:
    explicit            PivotCacheFieldContext(
                            WorkbookFragmentBase& rFragment,
                            PivotCacheField& rCacheField );

protected:
    virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs );
    virtual void        onStartElement( const AttributeList& rAttribs );
    virtual ::oox::core::ContextHandlerRef onCreateRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm );
    virtual void        onStartRecord( SequenceInputStream& rStrm );

private:
    PivotCacheField&    mrCacheField;
};

// ============================================================================

class PivotCacheDefinitionFragment : public WorkbookFragmentBase
{
public:
    explicit            PivotCacheDefinitionFragment(
                            const WorkbookHelper& rHelper,
                            const ::rtl::OUString& rFragmentPath,
                            PivotCache& rPivotCache );

protected:
    virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs );
    virtual ::oox::core::ContextHandlerRef onCreateRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm );
    virtual const ::oox::core::RecordInfo* getRecordInfos() const;
    virtual void        finalizeImport();

private:
    PivotCache&         mrPivotCache;
};

// ============================================================================

class PivotCacheRecordsFragment : public WorksheetFragmentBase
{
public:
    explicit            PivotCacheRecordsFragment(
                            const WorksheetHelper& rHelper,
                            const ::rtl::OUString& rFragmentPath,
                            const PivotCache& rPivotCache );

protected:
    virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs );
    virtual ::oox::core::ContextHandlerRef onCreateRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm );
    virtual const ::oox::core::RecordInfo* getRecordInfos() const;

private:
    void                startCacheRecord();
    void                importPCRecord( SequenceInputStream& rStrm );
    void                importPCRecordItem( sal_Int32 nRecId, SequenceInputStream& rStrm );

private:
    const PivotCache&   mrPivotCache;
    sal_Int32           mnColIdx;           /// Relative column index in source data.
    sal_Int32           mnRowIdx;           /// Relative row index in source data.
    bool                mbInRecord;
};

// ============================================================================
// ============================================================================

class BiffPivotCacheFragment : public BiffWorkbookFragmentBase
{
public:
    explicit            BiffPivotCacheFragment(
                            const WorkbookHelper& rHelper,
                            const ::rtl::OUString& rStrmName,
                            PivotCache& rPivotCache );

    /** Imports the entire fragment, returns true, if EOF record has been reached. */
    virtual bool        importFragment();

private:
    PivotCache&         mrPivotCache;
};

// ============================================================================

class BiffPivotCacheRecordsContext : public BiffWorksheetContextBase
{
public:
    explicit            BiffPivotCacheRecordsContext(
                            const WorksheetHelper& rHelper,
                            const PivotCache& rPivotCache );

    /** Reads the current record from stream and tries to insert a cell into
        the source data sheet. */
    virtual void        importRecord( BiffInputStream& rStrm );

private:
    void                startNextRow();

private:
    typedef ::std::vector< sal_Int32 > ColumnIndexVector;

    const PivotCache&   mrPivotCache;
    ColumnIndexVector   maUnsharedCols; /// Column indexes of all unshared cache fields.
    size_t              mnColIdx;       /// Current index into maUnsharedCols.
    sal_Int32           mnRowIdx;       /// Current row in source data (0-based).
    bool                mbHasShared;    /// True = pivot cache contains fields with shared items.
    bool                mbInRow;        /// True = a data row has been started.
};

// ============================================================================

} // namespace xls
} // namespace oox

#endif