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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef SC_XISTRING_HXX
#define SC_XISTRING_HXX
#include "xlstring.hxx"
// Byte/Unicode strings =======================================================
class XclImpStream;
/** This class represents an unformatted or formatted string and provides importing from stream. */
class XclImpString
{
public:
/** Constructs an empty string. */
explicit XclImpString();
/** Constructs an unformatted string. */
explicit XclImpString( const String& rString );
~XclImpString();
/** Reads a complete string from the passed stream. */
void Read( XclImpStream& rStrm, XclStrFlags nFlags = EXC_STR_DEFAULT );
/** Sets the passed string data. */
inline void SetText( const String& rText ) { maString = rText; }
/** Sets the passed formatting buffer. */
inline void SetFormats( const XclFormatRunVec& rFormats ) { maFormats = rFormats; }
/** Insert a formatting run to the format buffer. */
inline void AppendFormat( sal_uInt16 nChar, sal_uInt16 nFontIdx ) { AppendFormat( maFormats, nChar, nFontIdx ); }
/** Reads and appends the formatting information (run count and runs) from stream. */
inline void ReadFormats( XclImpStream& rStrm ) { ReadFormats( rStrm, maFormats ); }
/** Reads and appends nRunCount formatting runs from stream. */
inline void ReadFormats( XclImpStream& rStrm, sal_uInt16 nRunCount ) { ReadFormats( rStrm, maFormats, nRunCount ); }
/** Reads and appends formatting runs from an OBJ or TXO record. */
inline void ReadObjFormats( XclImpStream& rStrm, sal_uInt16 nFormatSize ) { ReadObjFormats( rStrm, maFormats, nFormatSize ); }
/** Returns true, if the string is empty. */
inline bool IsEmpty() const { return maString.Len() == 0; }
/** Returns the pure text data of the string. */
inline const String& GetText() const { return maString; }
/** Returns true, if the string contains formatting information. */
inline bool IsRich() const { return !maFormats.empty(); }
/** Returns the formatting run vector. */
inline const XclFormatRunVec& GetFormats() const { return maFormats; }
/** Insert a formatting run to the passed format buffer. */
static void AppendFormat( XclFormatRunVec& rFormats, sal_uInt16 nChar, sal_uInt16 nFontIdx );
/** Reads and appends the formatting information (run count and runs) from stream. */
static void ReadFormats( XclImpStream& rStrm, XclFormatRunVec& rFormats );
/** Reads and appends nRunCount formatting runs from stream. */
static void ReadFormats( XclImpStream& rStrm, XclFormatRunVec& rFormats, sal_uInt16 nRunCount );
/** Reads and appends formatting runs from an OBJ or TXO record. */
static void ReadObjFormats( XclImpStream& rStrm, XclFormatRunVec& rFormats, sal_uInt16 nFormatSize );
private:
String maString; /// The text data of the string.
XclFormatRunVec maFormats; /// All formatting runs.
};
// String iterator ============================================================
/** Iterates over formatted string portions. */
class XclImpStringIterator
{
public:
explicit XclImpStringIterator( const XclImpString& rString );
/** Returns true, if the iterator references a valid text portion. */
inline bool Is() const { return mnTextBeg < mrText.Len(); }
/** Returns the index of the current text portion. */
inline size_t GetPortionIndex() const { return mnPortion; }
/** Returns the string of the current text portion. */
String GetPortionText() const;
/** Returns the font index of the current text portion. */
sal_uInt16 GetPortionFont() const;
/** Moves iterator to next text portion. */
XclImpStringIterator& operator++();
private:
const String& mrText; /// The processed string.
const XclFormatRunVec& mrFormats; /// The vector of formatting runs.
size_t mnPortion; /// Current text portion.
xub_StrLen mnTextBeg; /// First character of current portion.
xub_StrLen mnTextEnd; /// First character of next portion.
size_t mnFormatsBeg; /// Formatting run index for current portion.
size_t mnFormatsEnd; /// Formatting run index for next portion.
};
// ============================================================================
#endif
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