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/* -*- 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 .
*/
#ifndef _STRING_HXX
#define _STRING_HXX
#include <tools/solar.h>
#include <osl/thread.h>
#include <rtl/textenc.h>
#include <rtl/textcvt.h>
#include <rtl/ustrbuf.h>
#include <rtl/string.hxx>
#include <rtl/ustring.hxx>
#include "tools/toolsdllapi.h"
#include "tools/lineend.hxx"
/*******************************************************************************
*
* THIS CODE IS DEPRECATED. DO NOT USE IT IN ANY NEW CODE.
*
* Use the string classes in rtl/ustring.hxx and rtl/ustrbuf.hxx (and
* rtl/string.hxx and rtl/strbuf.hxx for byte-sized strings) instead. If you
* feel functionality missing from those string classes, please request
* improvements on discuss@openoffice.org.
*
* There will not be any fixes to the code here.
******************************************************************************/
class ResId;
class String;
class UniString;
#define BYTESTRING_TO_UNISTRING_CVTFLAGS (RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_MAPTOPRIVATE |\
RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_DEFAULT |\
RTL_TEXTTOUNICODE_FLAGS_INVALID_DEFAULT)
// String-Types
#ifdef STRING32
#define STRING_NOTFOUND ((xub_StrLen)0x7FFFFFFF)
#define STRING_LEN ((xub_StrLen)0x7FFFFFFF)
#define STRING_MAXLEN ((xub_StrLen)0x7FFFFFFF)
#else
#define STRING_NOTFOUND ((xub_StrLen)0xFFFF)
#define STRING_LEN ((xub_StrLen)0xFFFF)
#define STRING_MAXLEN ((xub_StrLen)0xFFFF)
#endif
enum StringCompare { COMPARE_LESS = -1, COMPARE_EQUAL = 0, COMPARE_GREATER = 1 };
//Internal String data
// Data used for the management of this String
// use only for debugging purposes (never assign to String directly!)
#ifdef SAL_W32
#pragma pack(push, 4)
#endif
typedef struct _UniStringData
{
sal_Int32 mnRefCount; // reference counter
sal_Int32 mnLen; // Length of the String
sal_Unicode maStr[1]; // CharArray (String)
} UniStringData;
#ifdef SAL_W32
#pragma pack(pop)
#endif
// UniString
class TOOLS_DLLPUBLIC SAL_WARN_UNUSED UniString
{
private:
UniStringData* mpData;
TOOLS_DLLPRIVATE inline void ImplCopyData();
TOOLS_DLLPRIVATE inline sal_Unicode * ImplCopyStringData(sal_Unicode *);
StringCompare CompareTo( const UniString& rStr,
xub_StrLen nLen = STRING_LEN ) const;
UniString& Assign( const OUString& rStr );
UniString& Append( const UniString& rStr );
UniString( const int* pDummy ); // not implemented: to prevent UniString( NULL )
UniString(int); // not implemented; to detect misuses of
// UniString(sal_Unicode)
void operator =(int); // not implemented; to detect misuses
// of operator =(sal_Unicode)
void Append(int); // not implemented; to detect misuses of
// Append(sal_Unicode)
//detect and reject use of RTL_CONSTASCII_STRINGPARAM instead of RTL_CONSTASCII_USTRINGPARAM
TOOLS_DLLPRIVATE UniString( const sal_Char*, sal_Int32 );
//detect and reject wrong way to attempt to create a UniString from a substring of
//a OString
TOOLS_DLLPRIVATE UniString(const OString& rByteStr, xub_StrLen nPos, xub_StrLen nLen,
sal_uInt32 nCvtFlags = BYTESTRING_TO_UNISTRING_CVTFLAGS);
//no longer implemented
TOOLS_DLLPRIVATE UniString( const OString& rByteStr,
rtl_TextEncoding eTextEncoding,
sal_uInt32 nCvtFlags = BYTESTRING_TO_UNISTRING_CVTFLAGS );
TOOLS_DLLPRIVATE UniString( const sal_Unicode* pCharStr );
TOOLS_DLLPRIVATE UniString( const sal_Unicode* pCharStr, xub_StrLen nLen );
TOOLS_DLLPRIVATE UniString( sal_Unicode c );
public:
UniString();
UniString( const ResId& rResId );
UniString( const UniString& rStr );
UniString( const UniString& rStr, xub_StrLen nPos, xub_StrLen nLen );
UniString( const OUString& rStr );
UniString(char c); // ...but allow "UniString('a')"
UniString( const sal_Char* pByteStr,
rtl_TextEncoding eTextEncoding,
sal_uInt32 nCvtFlags = BYTESTRING_TO_UNISTRING_CVTFLAGS );
UniString( const sal_Char* pByteStr, xub_StrLen nLen,
rtl_TextEncoding eTextEncoding,
sal_uInt32 nCvtFlags = BYTESTRING_TO_UNISTRING_CVTFLAGS );
~UniString();
operator OUString () const
{
return OUString( rtl_uStringBuffer_refReturn(
reinterpret_cast<rtl_uString*>(mpData)), SAL_NO_ACQUIRE );
}
#ifdef RTL_FAST_STRING
template< typename T1, typename T2 >
UniString( const rtl::OUStringConcat< T1, T2 >& concat )
: mpData(NULL) { Assign( OUString( concat )); }
template< typename T1, typename T2 >
UniString& operator =( const rtl::OUStringConcat< T1, T2 >& concat )
{ return Assign( OUString( concat )); }
template< typename T1, typename T2 >
UniString& operator +=( const rtl::OUStringConcat< T1, T2 >& concat )
{ return Append( UniString( concat ) ); }
#endif
UniString& operator =( const OUString& rStr )
{ return Assign( rStr ); }
UniString& operator +=( const OUString& rStr )
{ return Append( UniString(rStr) ); }
xub_StrLen Len() const { return (xub_StrLen)mpData->mnLen; }
UniString Copy( xub_StrLen nIndex = 0, xub_StrLen nCount = STRING_LEN ) const
{ return UniString( *this, nIndex, nCount ); }
const sal_Unicode* GetBuffer() const { return mpData->maStr; }
friend sal_Bool operator == ( const UniString& rStr1, const UniString& rStr2 );
friend sal_Bool operator != ( const UniString& rStr1, const UniString& rStr2 )
{ return !(operator == ( rStr1, rStr2 )); }
friend sal_Bool operator < ( const UniString& rStr1, const UniString& rStr2 )
{ return (rStr1.CompareTo( rStr2 ) == COMPARE_LESS); }
friend sal_Bool operator > ( const UniString& rStr1, const UniString& rStr2 )
{ return (rStr1.CompareTo( rStr2 ) == COMPARE_GREATER); }
friend sal_Bool operator <= ( const UniString& rStr1, const UniString& rStr2 )
{ return !(operator > ( rStr1, rStr2 )); }
friend sal_Bool operator >= ( const UniString& rStr1, const UniString& rStr2 )
{ return !(operator < ( rStr1, rStr2 )); }
};
template< typename charT, typename traits > std::basic_ostream<charT, traits> &
operator <<(
std::basic_ostream<charT, traits> & stream, UniString const & string)
{
return stream <<
OUStringToOString(string, RTL_TEXTENCODING_UTF8).getStr();
// best effort; potentially loses data due to conversion failures
// (stray surrogate halves) and embedded null characters
}
#ifdef RTL_FAST_STRING
namespace rtl
{
template<>
struct ToStringHelper< UniString >
{
static int length( const UniString& s ) { return s.Len(); }
static sal_Unicode* addData( sal_Unicode* buffer, const UniString& s ) { return addDataHelper( buffer, s.GetBuffer(), s.Len()); }
static const bool allowOStringConcat = false;
static const bool allowOUStringConcat = true;
};
}
#endif
// some compare operators, so that conversions from String to OUString don't
// have to insert conversions all over the place
inline bool operator==(UniString const& rLeft, OUString const& rRight)
{
return OUString(rLeft) == rRight;
}
inline bool operator==(OUString const& rLeft, UniString const& rRight)
{
return rLeft == OUString(rRight);
}
inline bool operator!=(UniString const& rLeft, OUString const& rRight)
{
return OUString(rLeft) != rRight;
}
inline bool operator!=(OUString const& rLeft, UniString const& rRight)
{
return rLeft != OUString(rRight);
}
#ifdef RTL_FAST_STRING
// The above operators make comparisons involving fast string concatenation ambiguous, so provide explicit overloads.
template< typename T1, typename T2 >
inline bool operator==( const rtl::OUStringConcat< T1, T2 >& concat, const OUString& str )
{
return OUString( concat ) == str;
}
template< typename T1, typename T2 >
inline bool operator!=( const rtl::OUStringConcat< T1, T2 >& concat, const OUString& str )
{
return OUString( concat ) == str;
}
template< typename T1, typename T2 >
inline bool operator==( const OUString& str, const rtl::OUStringConcat< T1, T2 >& concat )
{
return str == OUString( concat );
}
template< typename T1, typename T2 >
inline bool operator!=( const OUString& str, const rtl::OUStringConcat< T1, T2 >& concat )
{
return str != OUString( concat );
}
template< typename T1, typename T2 >
inline bool operator==( const rtl::OUStringConcat< T1, T2 >& concat, const UniString& str )
{
return UniString( concat ) == str;
}
template< typename T1, typename T2 >
inline bool operator!=( const rtl::OUStringConcat< T1, T2 >& concat, const UniString& str )
{
return UniString( concat ) == str;
}
template< typename T1, typename T2 >
inline bool operator==( const UniString& str, const rtl::OUStringConcat< T1, T2 >& concat )
{
return str == UniString( concat );
}
template< typename T1, typename T2 >
inline bool operator!=( const UniString& str, const rtl::OUStringConcat< T1, T2 >& concat )
{
return str != UniString( concat );
}
#endif
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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